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Unified Diff: tools/pathops_visualizer.htm

Issue 272153002: fix bugs found by computing flat clips in 800K skps (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: fix maybe-uninitialized error in unbuntu Created 6 years, 6 months ago
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Index: tools/pathops_visualizer.htm
diff --git a/tools/pathops_visualizer.htm b/tools/pathops_visualizer.htm
new file mode 100644
index 0000000000000000000000000000000000000000..f1839f22abdbfe26314259692bb4dbf527076830
--- /dev/null
+++ b/tools/pathops_visualizer.htm
@@ -0,0 +1,3925 @@
+<html>
+<head>
+<div height="0" hidden="true">
+<div id="rects4">
+ RunTestSet [rects4]
+
+{{0,0}, {1,0}},
+{{1,0}, {1,1}},
+{{1,1}, {0,1}},
+{{0,1}, {0,0}},
+{{0,0}, {2,0}},
+{{2,0}, {2,2}},
+{{2,2}, {0,2}},
+{{0,2}, {0,0}},
+op difference
+{{0,0}, {2,0}},
+{{2,0}, {2,2}},
+{{2,2}, {0,2}},
+{{0,2}, {0,0}},
+{{0,0}, {3,0}},
+{{3,0}, {3,3}},
+{{3,3}, {0,3}},
+{{0,3}, {0,0}},
+debugShowLineIntersection wtTs[0]=0 {{1,0}, {1,1}} {{1,0}} wnTs[0]=1 {{0,0}, {1,0}}
+debugShowLineIntersection wtTs[0]=1 {{0,1}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {1,0}}
+debugShowLineIntersection wtTs[0]=0 {{1,1}, {0,1}} {{1,1}} wnTs[0]=1 {{1,0}, {1,1}}
+debugShowLineIntersection wtTs[0]=0 {{0,1}, {0,0}} {{0,1}} wnTs[0]=1 {{1,1}, {0,1}}
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {2,0}} {{0,0}} wtTs[1]=0.5 {{1,0}} wnTs[0]=0 {{0,0}, {1,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=1 {{0,2}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {1,0}}
+debugShowLineIntersection wtTs[0]=0.5 {{0,0}, {2,0}} {{1,0}} wnTs[0]=0 {{1,0}, {1,1}}
+debugShowLineIntersection wtTs[0]=0.5 {{0,2}, {0,0}} {{0,1}} wnTs[0]=1 {{1,1}, {0,1}}
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {2,0}} {{0,0}} wnTs[0]=1 {{0,1}, {0,0}}
+debugShowLineIntersection wtTs[0]=0.5 {{0,2}, {0,0}} {{0,1}} wtTs[1]=1 {{0,0}} wnTs[0]=0 {{0,1}, {0,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {2,0}} {{0,0}} wtTs[1]=0.5 {{1,0}} wnTs[0]=0 {{0,0}, {1,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=1 {{0,2}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {1,0}}
+debugShowLineIntersection wtTs[0]=0.5 {{0,0}, {2,0}} {{1,0}} wnTs[0]=0 {{1,0}, {1,1}}
+debugShowLineIntersection wtTs[0]=0.5 {{0,2}, {0,0}} {{0,1}} wnTs[0]=1 {{1,1}, {0,1}}
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {2,0}} {{0,0}} wnTs[0]=1 {{0,1}, {0,0}}
+debugShowLineIntersection wtTs[0]=0.5 {{0,2}, {0,0}} {{0,1}} wtTs[1]=1 {{0,0}} wnTs[0]=0 {{0,1}, {0,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {3,0}} {{0,0}} wtTs[1]=0.333333333 {{1,0}} wnTs[0]=0 {{0,0}, {1,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=1 {{0,3}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {1,0}}
+debugShowLineIntersection wtTs[0]=0.333333333 {{0,0}, {3,0}} {{1,0}} wnTs[0]=0 {{1,0}, {1,1}}
+debugShowLineIntersection wtTs[0]=0.666666667 {{0,3}, {0,0}} {{0,1}} wnTs[0]=1 {{1,1}, {0,1}}
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {3,0}} {{0,0}} wnTs[0]=1 {{0,1}, {0,0}}
+debugShowLineIntersection wtTs[0]=0.666666667 {{0,3}, {0,0}} {{0,1}} wtTs[1]=1 {{0,0}} wnTs[0]=0 {{0,1}, {0,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=0 {{2,0}, {2,2}} {{2,0}} wnTs[0]=1 {{0,0}, {2,0}}
+debugShowLineIntersection wtTs[0]=1 {{0,2}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {2,0}}
+debugShowLineIntersection wtTs[0]=0 {{2,2}, {0,2}} {{2,2}} wnTs[0]=1 {{2,0}, {2,2}}
+debugShowLineIntersection wtTs[0]=0 {{0,2}, {0,0}} {{0,2}} wnTs[0]=1 {{2,2}, {0,2}}
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {2,0}} {{0,0}} wtTs[1]=1 {{2,0}} wnTs[0]=0 {{0,0}, {2,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=0 {{2,0}, {2,2}} {{2,0}} wnTs[0]=1 {{0,0}, {2,0}}
+debugShowLineIntersection wtTs[0]=1 {{0,2}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {2,0}}
+debugShowLineIntersection wtTs[0]=1 {{0,0}, {2,0}} {{2,0}} wnTs[0]=0 {{2,0}, {2,2}}
+debugShowLineIntersection wtTs[0]=0 {{2,0}, {2,2}} {{2,0}} wtTs[1]=1 {{2,2}} wnTs[0]=0 {{2,0}, {2,2}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=0 {{2,2}, {0,2}} {{2,2}} wnTs[0]=1 {{2,0}, {2,2}}
+debugShowLineIntersection wtTs[0]=1 {{2,0}, {2,2}} {{2,2}} wnTs[0]=0 {{2,2}, {0,2}}
+debugShowLineIntersection wtTs[0]=0 {{2,2}, {0,2}} {{2,2}} wtTs[1]=1 {{0,2}} wnTs[0]=0 {{2,2}, {0,2}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=0 {{0,2}, {0,0}} {{0,2}} wnTs[0]=1 {{2,2}, {0,2}}
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {2,0}} {{0,0}} wnTs[0]=1 {{0,2}, {0,0}}
+debugShowLineIntersection wtTs[0]=1 {{2,2}, {0,2}} {{0,2}} wnTs[0]=0 {{0,2}, {0,0}}
+debugShowLineIntersection wtTs[0]=0 {{0,2}, {0,0}} {{0,2}} wtTs[1]=1 {{0,0}} wnTs[0]=0 {{0,2}, {0,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {3,0}} {{0,0}} wtTs[1]=0.666666667 {{2,0}} wnTs[0]=0 {{0,0}, {2,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=1 {{0,3}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {2,0}}
+debugShowLineIntersection wtTs[0]=0.666666667 {{0,0}, {3,0}} {{2,0}} wnTs[0]=0 {{2,0}, {2,2}}
+debugShowLineIntersection wtTs[0]=0.333333333 {{0,3}, {0,0}} {{0,2}} wnTs[0]=1 {{2,2}, {0,2}}
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {3,0}} {{0,0}} wnTs[0]=1 {{0,2}, {0,0}}
+debugShowLineIntersection wtTs[0]=0.333333333 {{0,3}, {0,0}} {{0,2}} wtTs[1]=1 {{0,0}} wnTs[0]=0 {{0,2}, {0,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=0 {{2,0}, {2,2}} {{2,0}} wnTs[0]=1 {{0,0}, {2,0}}
+debugShowLineIntersection wtTs[0]=1 {{0,2}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {2,0}}
+debugShowLineIntersection wtTs[0]=0 {{2,2}, {0,2}} {{2,2}} wnTs[0]=1 {{2,0}, {2,2}}
+debugShowLineIntersection wtTs[0]=0 {{0,2}, {0,0}} {{0,2}} wnTs[0]=1 {{2,2}, {0,2}}
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {3,0}} {{0,0}} wtTs[1]=0.666666667 {{2,0}} wnTs[0]=0 {{0,0}, {2,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=1 {{0,3}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {2,0}}
+debugShowLineIntersection wtTs[0]=0.666666667 {{0,0}, {3,0}} {{2,0}} wnTs[0]=0 {{2,0}, {2,2}}
+debugShowLineIntersection wtTs[0]=0.333333333 {{0,3}, {0,0}} {{0,2}} wnTs[0]=1 {{2,2}, {0,2}}
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {3,0}} {{0,0}} wnTs[0]=1 {{0,2}, {0,0}}
+debugShowLineIntersection wtTs[0]=0.333333333 {{0,3}, {0,0}} {{0,2}} wtTs[1]=1 {{0,0}} wnTs[0]=0 {{0,2}, {0,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=0 {{3,0}, {3,3}} {{3,0}} wnTs[0]=1 {{0,0}, {3,0}}
+debugShowLineIntersection wtTs[0]=1 {{0,3}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {3,0}}
+debugShowLineIntersection wtTs[0]=0 {{3,3}, {0,3}} {{3,3}} wnTs[0]=1 {{3,0}, {3,3}}
+debugShowLineIntersection wtTs[0]=0 {{0,3}, {0,0}} {{0,3}} wnTs[0]=1 {{3,3}, {0,3}}
+SkOpSegment::debugShowTs - id=0 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=1 t=1 1,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=4 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0]
+SkOpSegment::addTPair addTPair this=4 0.5 other=0 1
+SkOpSegment::debugShowTs + id=0 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=4,1 t=1 1,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=4 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0]
+SkOpSegment::debugShowTs - id=3 [o=2 t=0 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=7 [o=10,6 t=0 0,2 w=1 o=0] [o=2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::addTPair addTPair this=3 0 other=7 0.5
+SkOpSegment::debugShowTs + id=3 [o=7,2 t=0 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=7 [o=10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs - id=0 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=4,1 t=1 1,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=8 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0] operand
+SkOpSegment::addTPair addTPair this=8 0.5 other=0 1
+SkOpSegment::debugShowTs + id=0 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=8,4,1 t=1 1,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=8 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=3 [o=7,2 t=0 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=11 [o=10,6 t=0 0,2 w=1 o=0] [o=2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::addTPair addTPair this=3 0 other=11 0.5
+SkOpSegment::debugShowTs + id=3 [o=11,7,2 t=0 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=11 [o=10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=0 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=8,4,1 t=1 1,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=12 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=1 t=0.333 1,0 w=1 o=0] [o=9,5 t=0.667 2,0 w=1 o=0] [o=13 t=1 3,0 w=1 o=0] operand
+SkOpSegment::addTPair addTPair this=12 0.333333333 other=0 1
+SkOpSegment::debugShowTs + id=0 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=12,8,4,1 t=1 1,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=12 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.333 1,0 w=1 o=0] [o=9,5 t=0.667 2,0 w=1 o=0] [o=13 t=1 3,0 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=3 [o=11,7,2 t=0 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=15 [o=14 t=0 0,3 w=1 o=0] [o=10,6 t=0.333 0,2 w=1 o=0] [o=2 t=0.667 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::addTPair addTPair this=3 0 other=15 0.666666667
+SkOpSegment::debugShowTs + id=3 [o=15,11,7,2 t=0 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=15 [o=14 t=0 0,3 w=1 o=0] [o=10,6 t=0.333 0,2 w=1 o=0] [o=3,2 t=0.667 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=4 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=8 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0] operand
+SkOpSegment::debugShowTs + id=4 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=8 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=5 [o=12,8,4 t=0 2,0 w=1 o=0] [o=10,6 t=1 2,2 w=1 o=0]
+SkOpSegment::debugShowTs o id=9 [o=12,8,4 t=0 2,0 w=1 o=0] [o=10,6 t=1 2,2 w=1 o=0] operand
+SkOpSegment::debugShowTs + id=5 [o=12,8,4 t=0 2,0 w=1 o=0] [o=10,6 t=1 2,2 w=1 o=0]
+SkOpSegment::debugShowTs o id=9 [o=12,8,4 t=0 2,0 w=1 o=0] [o=10,6 t=1 2,2 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=6 [o=9,5 t=0 2,2 w=1 o=0] [o=15,11,7 t=1 0,2 w=1 o=0]
+SkOpSegment::debugShowTs o id=10 [o=9,5 t=0 2,2 w=1 o=0] [o=15,11,7 t=1 0,2 w=1 o=0] operand
+SkOpSegment::debugShowTs + id=6 [o=9,5 t=0 2,2 w=1 o=0] [o=15,11,7 t=1 0,2 w=1 o=0]
+SkOpSegment::debugShowTs o id=10 [o=9,5 t=0 2,2 w=1 o=0] [o=15,11,7 t=1 0,2 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=7 [o=10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=11 [o=10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::debugShowTs + id=7 [o=10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=11 [o=10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=4 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=12 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.333 1,0 w=1 o=0] [o=9,5 t=0.667 2,0 w=1 o=0] [o=13 t=1 3,0 w=1 o=0] operand
+SkOpSegment::addTPair addTPair this=12 0.666666667 other=4 1
+SkOpSegment::debugShowTs + id=4 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=12,9,5 t=1 2,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=12 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.333 1,0 w=1 o=0] [o=4,9,5 t=0.667 2,0 w=1 o=0] [o=13 t=1 3,0 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=7 [o=10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=15 [o=14 t=0 0,3 w=1 o=0] [o=10,6 t=0.333 0,2 w=1 o=0] [o=3,2 t=0.667 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::addTPair addTPair this=7 0 other=15 0.333333333
+SkOpSegment::debugShowTs + id=7 [o=15,10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=15 [o=14 t=0 0,3 w=1 o=0] [o=7,10,6 t=0.333 0,2 w=1 o=0] [o=3,2 t=0.667 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=8 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0] operand
+SkOpSegment::debugShowTs o id=12 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.333 1,0 w=1 o=0] [o=4,9,5 t=0.667 2,0 w=1 o=0] [o=13 t=1 3,0 w=1 o=0] operand
+SkOpSegment::addTPair addTPair this=12 0.666666667 other=8 1
+SkOpSegment::debugShowTs + id=8 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=12,9,5 t=1 2,0 w=1 o=0] operand
+SkOpSegment::debugShowTs o id=12 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.333 1,0 w=1 o=0] [o=8,4,9,5 t=0.667 2,0 w=1 o=0] [o=13 t=1 3,0 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=11 [o=10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::debugShowTs o id=15 [o=14 t=0 0,3 w=1 o=0] [o=7,10,6 t=0.333 0,2 w=1 o=0] [o=3,2 t=0.667 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::addTPair addTPair this=11 0 other=15 0.333333333
+SkOpSegment::debugShowTs + id=11 [o=15,10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::debugShowTs o id=15 [o=14 t=0 0,3 w=1 o=0] [o=11,7,10,6 t=0.333 0,2 w=1 o=0] [o=3,2 t=0.667 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpContour::calcCoincidentWinding count=6
+SkOpSegment::debugShowTs p id=0 [o=15,11,7,3 t=0 0,0 w=0 o=0] [o=12,8,4,1 t=1 1,0 w=1 o=0] done
+SkOpSegment::debugShowTs o id=4 [o=15,11,7,3 t=0 0,0 w=0 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=12,9,5 t=1 2,0 w=1 o=0]
+SkOpSegment::debugShowTs p id=3 [o=15,11,7,2 t=0 0,1 w=0 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] done
+SkOpSegment::debugShowTs o id=7 [o=15,10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=0 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpContour::calcCoincidentWinding count=6
+SkOpSegment::debugShowTs p id=4 [o=15,11,7,3 t=0 0,0 w=0 o=0] [o=0,1 t=0.5 1,0 w=1 o=1] [o=12,9,5 t=1 2,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=8 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=0 o=0] [o=12,9,5 t=1 2,0 w=1 o=0] operand
+SkOpSegment::debugShowTs p id=5 [o=12,8,4 t=0 2,0 w=1 o=1] [o=10,6 t=1 2,2 w=1 o=0]
+SkOpSegment::debugShowTs o id=9 [o=12,8,4 t=0 2,0 w=0 o=0] [o=10,6 t=1 2,2 w=1 o=0] operand done
+SkOpSegment::debugShowTs p id=6 [o=9,5 t=0 2,2 w=1 o=1] [o=15,11,7 t=1 0,2 w=1 o=0]
+SkOpSegment::debugShowTs o id=10 [o=9,5 t=0 2,2 w=0 o=0] [o=15,11,7 t=1 0,2 w=1 o=0] operand done
+SkOpSegment::debugShowTs p id=7 [o=15,10,6 t=0 0,2 w=1 o=1] [o=3,2 t=0.5 0,1 w=0 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=11 [o=15,10,6 t=0 0,2 w=0 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::debugShowTs p id=4 [o=15,11,7,3 t=0 0,0 w=0 o=0] [o=0,1 t=0.5 1,0 w=1 o=2] [o=12,9,5 t=1 2,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=12 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.333 1,0 w=0 o=0] [o=8,4,9,5 t=0.667 2,0 w=1 o=0] [o=13 t=1 3,0 w=1 o=0] operand
+SkOpSegment::debugShowTs p id=7 [o=15,10,6 t=0 0,2 w=1 o=2] [o=3,2 t=0.5 0,1 w=0 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=15 [o=14 t=0 0,3 w=1 o=0] [o=11,7,10,6 t=0.333 0,2 w=0 o=0] [o=3,2 t=0.667 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpContour::calcCoincidentWinding count=2
+SkOpSegment::debugShowTs p id=8 [o=15,11,7,3 t=0 0,0 w=2 o=0] [o=0,1 t=0.5 1,0 w=0 o=0] [o=12,9,5 t=1 2,0 w=1 o=0] operand
+SkOpSegment::debugShowTs o id=12 [o=15,11,7,3 t=0 0,0 w=0 o=0] [o=0,1 t=0.333 1,0 w=0 o=0] [o=8,4,9,5 t=0.667 2,0 w=1 o=0] [o=13 t=1 3,0 w=1 o=0] operand
+SkOpSegment::debugShowTs p id=11 [o=15,10,6 t=0 0,2 w=0 o=0] [o=3,2 t=0.5 0,1 w=2 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::debugShowTs o id=15 [o=14 t=0 0,3 w=1 o=0] [o=11,7,10,6 t=0.333 0,2 w=0 o=0] [o=3,2 t=0.667 0,1 w=0 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::addTPair addTPair this=12 0.333333333 other=8 0.5
+SkOpSegment::addTPair addTPair this=12 0.333333333 other=4 0.5
+SkOpSegment::addTPair addTPair duplicate this=8 0.5 other=12 0.333333333
+SkOpSegment::addTPair addTPair this=8 0.5 other=4 0.5
+SkOpSegment::addTPair addTPair duplicate this=4 0.5 other=8 0.5
+SkOpSegment::addTPair addTPair duplicate this=4 0.5 other=12 0.333333333
+SkOpSegment::addTPair addTPair this=15 0.666666667 other=11 0.5
+SkOpSegment::addTPair addTPair this=15 0.666666667 other=7 0.5
+SkOpSegment::addTPair addTPair duplicate this=11 0.5 other=15 0.666666667
+SkOpSegment::addTPair addTPair this=11 0.5 other=7 0.5
+SkOpSegment::addTPair addTPair duplicate this=7 0.5 other=11 0.5
+SkOpSegment::addTPair addTPair duplicate this=7 0.5 other=15 0.666666667
+SkOpSegment::addTPair addTPair this=4 1 other=8 1
+SkOpSegment::addTPair addTPair this=5 0 other=9 0
+SkOpSegment::addTPair addTPair duplicate this=5 0 other=9 0
+SkOpSegment::addTPair addTPair duplicate this=5 0 other=9 0
+SkOpSegment::addTPair addTPair this=6 1 other=10 1
+SkOpSegment::addTPair addTPair this=7 0 other=11 0
+SkOpSegment::addTPair addTPair duplicate this=7 0 other=11 0
+SkOpSegment::addTPair addTPair duplicate this=7 0 other=11 0
+SkOpContour::joinCoincidence count=6
+SkOpContour::joinCoincidence count=6
+SkOpContour::joinCoincidence count=2
+SkOpSegment::sortAngles [1] tStart=0 [1]
+SkOpAngle::after [1/1] 23/23 tStart=0 tEnd=1 < [4/1] 31/31 tStart=0.5 tEnd=1 < [8/2] 15/15 tStart=0.5 tEnd=0 T 4
+SkOpSegment::sortAngles [2] tStart=1 [2]
+SkOpAngle::after [2/1] 31/31 tStart=1 tEnd=0 < [7/2] 23/23 tStart=0.5 tEnd=0 < [11/1] 7/7 tStart=0.5 tEnd=1 F 4
+SkOpSegment::sortAngles [4] tStart=1 [9]
+SkOpAngle::after [4/2] 15/15 tStart=1 tEnd=0.5 < [5/1] 23/23 tStart=0 tEnd=1 < [12/1] 31/31 tStart=0.666666667 tEnd=1 T 4
+SkOpSegment::sortAngles [5] tStart=1 [5]
+SkOpSegment::sortAngles [6] tStart=1 [3]
+SkOpAngle::after [6/2] 31/31 tStart=1 tEnd=0 < [7/1] 7/7 tStart=0 tEnd=0.5 < [15/1] 23/23 tStart=0.333333333 tEnd=0 T 4
+SkOpSegment::sortAngles [8] tStart=0 [1]
+SkOpSegment::debugShowActiveSpans id=1 (1,0 1,1) t=0 (1,0) tEnd=1 other=12 otherT=0.333333333 otherIndex=7 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=2 (1,1 0,1) t=0 (1,1) tEnd=1 other=1 otherT=1 otherIndex=4 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=4 (0,0 2,0) t=0.5 (1,0) tEnd=1 other=8 otherT=0.5 otherIndex=4 windSum=? windValue=1 oppValue=2
+SkOpSegment::debugShowActiveSpans id=5 (2,0 2,2) t=0 (2,0) tEnd=1 other=9 otherT=0 otherIndex=0 windSum=? windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=6 (2,2 0,2) t=0 (2,2) tEnd=1 other=9 otherT=1 otherIndex=5 windSum=? windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=7 (0,2 0,0) t=0 (0,2) tEnd=0.5 other=11 otherT=0 otherIndex=0 windSum=? windValue=1 oppValue=2
+SkOpSegment::debugShowActiveSpans id=8 (0,0 2,0) t=0 (0,0) tEnd=0.5 other=15 otherT=1 otherIndex=10 windSum=? windValue=2 oppValue=0
+SkOpSegment::debugShowActiveSpans id=11 (0,2 0,0) t=0.5 (0,1) tEnd=1 other=7 otherT=0.5 otherIndex=4 windSum=? windValue=2 oppValue=0
+SkOpSegment::debugShowActiveSpans id=12 (0,0 3,0) t=0.666666667 (2,0) tEnd=1 other=8 otherT=1 otherIndex=9 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=13 (3,0 3,3) t=0 (3,0) tEnd=1 other=12 otherT=1 otherIndex=12 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=14 (3,3 0,3) t=0 (3,3) tEnd=1 other=13 otherT=1 otherIndex=1 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=15 (0,3 0,0) t=0 (0,3) tEnd=0.333333333 other=14 otherT=1 otherIndex=1 windSum=? windValue=1 oppValue=0
+SkOpSegment::findTop
+SkOpAngle::dumpOne [11/2] next=8/1 sect=23/23 s=1 [11] e=0.5 [7] sgn=1 windVal=2 windSum=? operand
+SkOpAngle::dumpOne [8/1] next=11/2 sect=31/31 s=0 [0] e=0.5 [4] sgn=-1 windVal=2 windSum=? operand stop
+SkOpSegment::markWinding id=11 (0,2 0,0) t=0.5 [6] (0,1) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=? windSum=? windValue=2 oppValue=0
+SkOpSegment::markWinding id=11 (0,2 0,0) t=0.5 [5] (0,1) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=? windSum=? windValue=2 oppValue=0
+SkOpSegment::markWinding id=11 (0,2 0,0) t=0.5 [4] (0,1) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=? windSum=? windValue=2 oppValue=0
+SkOpSegment::markWinding id=11 (0,2 0,0) t=0.5 [7] (0,1) tEnd=1 newWindSum=-2 newOppSum=0 oppSum=? windSum=? windValue=2 oppValue=0
+SkOpSegment::nextChase mismatched signs
+SkOpSegment::markWinding id=8 (0,0 2,0) t=0 [0] (0,0) tEnd=0 newWindSum=-2 newOppSum=0 oppSum=? windSum=? windValue=2 oppValue=0
+SkOpSegment::markWinding id=8 (0,0 2,0) t=0 [1] (0,0) tEnd=0 newWindSum=-2 newOppSum=0 oppSum=? windSum=? windValue=2 oppValue=0
+SkOpSegment::markWinding id=8 (0,0 2,0) t=0 [2] (0,0) tEnd=0 newWindSum=-2 newOppSum=0 oppSum=? windSum=? windValue=2 oppValue=0
+SkOpSegment::markWinding id=8 (0,0 2,0) t=0 [3] (0,0) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=? windSum=? windValue=2 oppValue=0
+SkOpSegment::markWinding id=11 (0,2 0,0) t=0.5 [6] (0,1) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2 oppValue=0
+SkOpSegment::markWinding id=11 (0,2 0,0) t=0.5 [5] (0,1) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2 oppValue=0
+SkOpSegment::markWinding id=11 (0,2 0,0) t=0.5 [4] (0,1) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2 oppValue=0
+SkOpSegment::markWinding id=11 (0,2 0,0) t=0.5 [7] (0,1) tEnd=1 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2 oppValue=0
+SkOpSegment::activeOp id=11 t=0.5 tEnd=1 op=diff miFrom=0 miTo=0 suFrom=1 suTo=0 result=0
+SkOpSegment::markDoneBinary id=11 (0,2 0,0) t=0.5 [6] (0,1) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2 oppValue=0
+SkOpSegment::markDoneBinary id=11 (0,2 0,0) t=0.5 [5] (0,1) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2 oppValue=0
+SkOpSegment::markDoneBinary id=11 (0,2 0,0) t=0.5 [4] (0,1) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2 oppValue=0
+SkOpSegment::markDoneBinary id=11 (0,2 0,0) t=0.5 [7] (0,1) tEnd=1 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2 oppValue=0
+SkOpSegment::nextChase mismatched signs
+SkOpSegment::markDoneBinary id=8 (0,0 2,0) t=0 [0] (0,0) tEnd=0 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2 oppValue=0
+SkOpSegment::markDoneBinary id=8 (0,0 2,0) t=0 [1] (0,0) tEnd=0 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2 oppValue=0
+SkOpSegment::markDoneBinary id=8 (0,0 2,0) t=0 [2] (0,0) tEnd=0 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2 oppValue=0
+SkOpSegment::markDoneBinary id=8 (0,0 2,0) t=0 [3] (0,0) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2 oppValue=0
+bridgeOp chase.append id=8 windSum=-2147483647 small=0
+SkOpSegment::markWinding id=1 (1,0 1,1) t=0 [0] (1,0) tEnd=0 newWindSum=1 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=0
+SkOpSegment::markWinding id=1 (1,0 1,1) t=0 [1] (1,0) tEnd=0 newWindSum=1 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=0
+SkOpSegment::markWinding id=1 (1,0 1,1) t=0 [2] (1,0) tEnd=0 newWindSum=1 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=0
+SkOpSegment::markWinding id=1 (1,0 1,1) t=0 [3] (1,0) tEnd=1 newWindSum=1 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=0
+SkOpSegment::markWinding id=2 (1,1 0,1) t=0 [0] (1,1) tEnd=1 newWindSum=1 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=0
+SkOpSegment::markAngle last id=2 windSum=? small=0
+SkOpSegment::markWinding id=4 (0,0 2,0) t=0.5 [4] (1,0) tEnd=0.5 newWindSum=2 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=2
+SkOpSegment::markWinding id=4 (0,0 2,0) t=0.5 [5] (1,0) tEnd=0.5 newWindSum=2 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=2
+SkOpSegment::markWinding id=4 (0,0 2,0) t=0.5 [6] (1,0) tEnd=0.5 newWindSum=2 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=2
+SkOpSegment::markWinding id=4 (0,0 2,0) t=0.5 [7] (1,0) tEnd=1 newWindSum=2 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=2
+SkOpSegment::markAngle last id=4 windSum=? small=0
+SkOpSegment::debugShowActiveSpans id=1 (1,0 1,1) t=0 (1,0) tEnd=1 other=12 otherT=0.333333333 otherIndex=7 windSum=1 windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=2 (1,1 0,1) t=0 (1,1) tEnd=1 other=1 otherT=1 otherIndex=4 windSum=1 windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=4 (0,0 2,0) t=0.5 (1,0) tEnd=1 other=8 otherT=0.5 otherIndex=4 windSum=2 windValue=1 oppValue=2
+SkOpSegment::debugShowActiveSpans id=5 (2,0 2,2) t=0 (2,0) tEnd=1 other=9 otherT=0 otherIndex=0 windSum=? windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=6 (2,2 0,2) t=0 (2,2) tEnd=1 other=9 otherT=1 otherIndex=5 windSum=? windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=7 (0,2 0,0) t=0 (0,2) tEnd=0.5 other=11 otherT=0 otherIndex=0 windSum=? windValue=1 oppValue=2
+SkOpSegment::debugShowActiveSpans id=12 (0,0 3,0) t=0.666666667 (2,0) tEnd=1 other=8 otherT=1 otherIndex=9 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=13 (3,0 3,3) t=0 (3,0) tEnd=1 other=12 otherT=1 otherIndex=12 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=14 (3,3 0,3) t=0 (3,3) tEnd=1 other=13 otherT=1 otherIndex=1 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=15 (0,3 0,0) t=0 (0,3) tEnd=0.333333333 other=14 otherT=1 otherIndex=1 windSum=? windValue=1 oppValue=0
+SkOpSegment::activeOp id=1 t=0 tEnd=1 op=diff miFrom=0 miTo=1 suFrom=1 suTo=1 result=0
+SkOpSegment::markDoneBinary id=1 (1,0 1,1) t=0 [0] (1,0) tEnd=0 newWindSum=1 newOppSum=-2 oppSum=-2 windSum=1 windValue=1 oppValue=0
+SkOpSegment::markDoneBinary id=1 (1,0 1,1) t=0 [1] (1,0) tEnd=0 newWindSum=1 newOppSum=-2 oppSum=-2 windSum=1 windValue=1 oppValue=0
+SkOpSegment::markDoneBinary id=1 (1,0 1,1) t=0 [2] (1,0) tEnd=0 newWindSum=1 newOppSum=-2 oppSum=-2 windSum=1 windValue=1 oppValue=0
+SkOpSegment::markDoneBinary id=1 (1,0 1,1) t=0 [3] (1,0) tEnd=1 newWindSum=1 newOppSum=-2 oppSum=-2 windSum=1 windValue=1 oppValue=0
+SkOpSegment::markDoneBinary id=2 (1,1 0,1) t=0 [0] (1,1) tEnd=1 newWindSum=1 newOppSum=-2 oppSum=-2 windSum=1 windValue=1 oppValue=0
+bridgeOp chase.append id=2 windSum=-2147483647 small=0
+SkOpSegment::markWinding id=7 (0,2 0,0) t=0 [0] (0,2) tEnd=0 newWindSum=-1 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=2
+SkOpSegment::markWinding id=7 (0,2 0,0) t=0 [1] (0,2) tEnd=0 newWindSum=-1 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=2
+SkOpSegment::markWinding id=7 (0,2 0,0) t=0 [2] (0,2) tEnd=0 newWindSum=-1 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=2
+SkOpSegment::markWinding id=7 (0,2 0,0) t=0 [3] (0,2) tEnd=0.5 newWindSum=-1 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=2
+SkOpSegment::markAngle last id=7 windSum=-1 small=0
+SkOpSegment::debugShowActiveSpans id=4 (0,0 2,0) t=0.5 (1,0) tEnd=1 other=8 otherT=0.5 otherIndex=4 windSum=2 windValue=1 oppValue=2
+SkOpSegment::debugShowActiveSpans id=5 (2,0 2,2) t=0 (2,0) tEnd=1 other=9 otherT=0 otherIndex=0 windSum=? windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=6 (2,2 0,2) t=0 (2,2) tEnd=1 other=9 otherT=1 otherIndex=5 windSum=? windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=7 (0,2 0,0) t=0 (0,2) tEnd=0.5 other=11 otherT=0 otherIndex=0 windSum=-1 windValue=1 oppValue=2
+SkOpSegment::debugShowActiveSpans id=12 (0,0 3,0) t=0.666666667 (2,0) tEnd=1 other=8 otherT=1 otherIndex=9 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=13 (3,0 3,3) t=0 (3,0) tEnd=1 other=12 otherT=1 otherIndex=12 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=14 (3,3 0,3) t=0 (3,3) tEnd=1 other=13 otherT=1 otherIndex=1 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=15 (0,3 0,0) t=0 (0,3) tEnd=0.333333333 other=14 otherT=1 otherIndex=1 windSum=? windValue=1 oppValue=0
+SkOpSegment::activeOp id=7 t=0.5 tEnd=0 op=diff miFrom=0 miTo=1 suFrom=0 suTo=1 result=0
+SkOpSegment::markDoneBinary id=7 (0,2 0,0) t=0 [0] (0,2) tEnd=0 newWindSum=-1 newOppSum=-2 oppSum=-2 windSum=-1 windValue=1 oppValue=2
+SkOpSegment::markDoneBinary id=7 (0,2 0,0) t=0 [1] (0,2) tEnd=0 newWindSum=-1 newOppSum=-2 oppSum=-2 windSum=-1 windValue=1 oppValue=2
+SkOpSegment::markDoneBinary id=7 (0,2 0,0) t=0 [2] (0,2) tEnd=0 newWindSum=-1 newOppSum=-2 oppSum=-2 windSum=-1 windValue=1 oppValue=2
+SkOpSegment::markDoneBinary id=7 (0,2 0,0) t=0 [3] (0,2) tEnd=0.5 newWindSum=-1 newOppSum=-2 oppSum=-2 windSum=-1 windValue=1 oppValue=2
+bridgeOp chase.append id=7 windSum=-1 small=0
+SkOpSegment::markWinding id=15 (0,3 0,0) t=0 [0] (0,3) tEnd=0.333333333 newWindSum=-1 newOppSum=0 oppSum=? windSum=? windValue=1 oppValue=0
+SkOpSegment::markWinding id=14 (3,3 0,3) t=0 [0] (3,3) tEnd=1 newWindSum=-1 newOppSum=0 oppSum=? windSum=? windValue=1 oppValue=0
+SkOpSegment::markWinding id=13 (3,0 3,3) t=0 [0] (3,0) tEnd=1 newWindSum=-1 newOppSum=0 oppSum=? windSum=? windValue=1 oppValue=0
+SkOpSegment::markWinding id=12 (0,0 3,0) t=0.666666667 [10] (2,0) tEnd=0.666666667 newWindSum=-1 newOppSum=0 oppSum=? windSum=? windValue=1 oppValue=0
+SkOpSegment::markWinding id=12 (0,0 3,0) t=0.666666667 [9] (2,0) tEnd=0.666666667 newWindSum=-1 newOppSum=0 oppSum=? windSum=? windValue=1 oppValue=0
+SkOpSegment::markWinding id=12 (0,0 3,0) t=0.666666667 [8] (2,0) tEnd=0.666666667 newWindSum=-1 newOppSum=0 oppSum=? windSum=? windValue=1 oppValue=0
+SkOpSegment::markWinding id=12 (0,0 3,0) t=0.666666667 [11] (2,0) tEnd=1 newWindSum=-1 newOppSum=0 oppSum=? windSum=? windValue=1 oppValue=0
+SkOpSegment::markAngle last id=12 windSum=-1 small=0
+SkOpSegment::markWinding id=6 (2,2 0,2) t=0 [0] (2,2) tEnd=0 newWindSum=-1 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=1
+SkOpSegment::markWinding id=6 (2,2 0,2) t=0 [1] (2,2) tEnd=1 newWindSum=-1 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=1
+SkOpSegment::nextChase mismatched signs
+SkOpSegment::markAngle last id=6 windSum=-1 small=0
+SkOpSegment::debugShowActiveSpans id=4 (0,0 2,0) t=0.5 (1,0) tEnd=1 other=8 otherT=0.5 otherIndex=4 windSum=2 windValue=1 oppValue=2
+SkOpSegment::debugShowActiveSpans id=5 (2,0 2,2) t=0 (2,0) tEnd=1 other=9 otherT=0 otherIndex=0 windSum=? windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=6 (2,2 0,2) t=0 (2,2) tEnd=1 other=9 otherT=1 otherIndex=5 windSum=-1 windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=12 (0,0 3,0) t=0.666666667 (2,0) tEnd=1 other=8 otherT=1 otherIndex=9 windSum=-1 windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=13 (3,0 3,3) t=0 (3,0) tEnd=1 other=12 otherT=1 otherIndex=12 windSum=-1 windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=14 (3,3 0,3) t=0 (3,3) tEnd=1 other=13 otherT=1 otherIndex=1 windSum=-1 windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=15 (0,3 0,0) t=0 (0,3) tEnd=0.333333333 other=14 otherT=1 otherIndex=1 windSum=-1 windValue=1 oppValue=0
+SkOpSegment::activeOp id=15 t=0.333333333 tEnd=0 op=diff miFrom=0 miTo=0 suFrom=0 suTo=1 result=0
+SkOpSegment::markDoneBinary id=15 (0,3 0,0) t=0 [0] (0,3) tEnd=0.333333333 newWindSum=-1 newOppSum=0 oppSum=0 windSum=-1 windValue=1 oppValue=0
+SkOpSegment::markDoneBinary id=14 (3,3 0,3) t=0 [0] (3,3) tEnd=1 newWindSum=-1 newOppSum=0 oppSum=0 windSum=-1 windValue=1 oppValue=0
+SkOpSegment::markDoneBinary id=13 (3,0 3,3) t=0 [0] (3,0) tEnd=1 newWindSum=-1 newOppSum=0 oppSum=0 windSum=-1 windValue=1 oppValue=0
+SkOpSegment::markDoneBinary id=12 (0,0 3,0) t=0.666666667 [10] (2,0) tEnd=0.666666667 newWindSum=-1 newOppSum=0 oppSum=0 windSum=-1 windValue=1 oppValue=0
+SkOpSegment::markDoneBinary id=12 (0,0 3,0) t=0.666666667 [9] (2,0) tEnd=0.666666667 newWindSum=-1 newOppSum=0 oppSum=0 windSum=-1 windValue=1 oppValue=0
+SkOpSegment::markDoneBinary id=12 (0,0 3,0) t=0.666666667 [8] (2,0) tEnd=0.666666667 newWindSum=-1 newOppSum=0 oppSum=0 windSum=-1 windValue=1 oppValue=0
+SkOpSegment::markDoneBinary id=12 (0,0 3,0) t=0.666666667 [11] (2,0) tEnd=1 newWindSum=-1 newOppSum=0 oppSum=0 windSum=-1 windValue=1 oppValue=0
+bridgeOp chase.append id=12 windSum=-1 small=0
+SkOpSegment::debugShowActiveSpans id=4 (0,0 2,0) t=0.5 (1,0) tEnd=1 other=8 otherT=0.5 otherIndex=4 windSum=2 windValue=1 oppValue=2
+SkOpSegment::debugShowActiveSpans id=5 (2,0 2,2) t=0 (2,0) tEnd=1 other=9 otherT=0 otherIndex=0 windSum=? windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=6 (2,2 0,2) t=0 (2,2) tEnd=1 other=9 otherT=1 otherIndex=5 windSum=-1 windValue=1 oppValue=1
+SkOpSegment::activeOp id=4 t=1 tEnd=0.5 op=diff miFrom=0 miTo=1 suFrom=0 suTo=1 result=0
+SkOpSegment::markDoneBinary id=4 (0,0 2,0) t=0.5 [6] (1,0) tEnd=0.5 newWindSum=2 newOppSum=-2 oppSum=-2 windSum=2 windValue=1 oppValue=2
+SkOpSegment::markDoneBinary id=4 (0,0 2,0) t=0.5 [5] (1,0) tEnd=0.5 newWindSum=2 newOppSum=-2 oppSum=-2 windSum=2 windValue=1 oppValue=2
+SkOpSegment::markDoneBinary id=4 (0,0 2,0) t=0.5 [4] (1,0) tEnd=0.5 newWindSum=2 newOppSum=-2 oppSum=-2 windSum=2 windValue=1 oppValue=2
+SkOpSegment::markDoneBinary id=4 (0,0 2,0) t=0.5 [7] (1,0) tEnd=1 newWindSum=2 newOppSum=-2 oppSum=-2 windSum=2 windValue=1 oppValue=2
+bridgeOp chase.append id=4 windSum=2 small=0
+SkOpSegment::markWinding id=5 (2,0 2,2) t=0 [0] (2,0) tEnd=0 newWindSum=2 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=1
+SkOpSegment::markWinding id=5 (2,0 2,2) t=0 [1] (2,0) tEnd=0 newWindSum=2 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=1
+SkOpSegment::markWinding id=5 (2,0 2,2) t=0 [2] (2,0) tEnd=0 newWindSum=2 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=1
+SkOpSegment::markWinding id=5 (2,0 2,2) t=0 [3] (2,0) tEnd=1 newWindSum=2 newOppSum=-2 oppSum=? windSum=? windValue=1 oppValue=1
+SkOpSegment::nextChase mismatched signs
+</div>
+
+<div id="refRects4">
+ RunTestSet [rects4]
+
+{{0,0}, {1,0}},
+{{1,0}, {1,1}},
+{{1,1}, {0,1}},
+{{0,1}, {0,0}},
+{{0,0}, {2,0}},
+{{2,0}, {2,2}},
+{{2,2}, {0,2}},
+{{0,2}, {0,0}},
+op difference
+{{0,0}, {2,0}},
+{{2,0}, {2,2}},
+{{2,2}, {0,2}},
+{{0,2}, {0,0}},
+{{0,0}, {3,0}},
+{{3,0}, {3,3}},
+{{3,3}, {0,3}},
+{{0,3}, {0,0}},
+debugShowLineIntersection wtTs[0]=0 {{1,0}, {1,1}} {{1,0}} wnTs[0]=1 {{0,0}, {1,0}}
+debugShowLineIntersection wtTs[0]=1 {{0,1}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {1,0}}
+debugShowLineIntersection wtTs[0]=0 {{1,1}, {0,1}} {{1,1}} wnTs[0]=1 {{1,0}, {1,1}}
+debugShowLineIntersection wtTs[0]=0 {{0,1}, {0,0}} {{0,1}} wnTs[0]=1 {{1,1}, {0,1}}
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {2,0}} {{0,0}} wtTs[1]=0.5 {{1,0}} wnTs[0]=0 {{0,0}, {1,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=1 {{0,2}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {1,0}}
+debugShowLineIntersection wtTs[0]=0.5 {{0,0}, {2,0}} {{1,0}} wnTs[0]=0 {{1,0}, {1,1}}
+debugShowLineIntersection wtTs[0]=0.5 {{0,2}, {0,0}} {{0,1}} wnTs[0]=1 {{1,1}, {0,1}}
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {2,0}} {{0,0}} wnTs[0]=1 {{0,1}, {0,0}}
+debugShowLineIntersection wtTs[0]=0.5 {{0,2}, {0,0}} {{0,1}} wtTs[1]=1 {{0,0}} wnTs[0]=0 {{0,1}, {0,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {2,0}} {{0,0}} wtTs[1]=0.5 {{1,0}} wnTs[0]=0 {{0,0}, {1,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=1 {{0,2}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {1,0}}
+debugShowLineIntersection wtTs[0]=0.5 {{0,0}, {2,0}} {{1,0}} wnTs[0]=0 {{1,0}, {1,1}}
+debugShowLineIntersection wtTs[0]=0.5 {{0,2}, {0,0}} {{0,1}} wnTs[0]=1 {{1,1}, {0,1}}
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {2,0}} {{0,0}} wnTs[0]=1 {{0,1}, {0,0}}
+debugShowLineIntersection wtTs[0]=0.5 {{0,2}, {0,0}} {{0,1}} wtTs[1]=1 {{0,0}} wnTs[0]=0 {{0,1}, {0,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {3,0}} {{0,0}} wtTs[1]=0.333333333 {{1,0}} wnTs[0]=0 {{0,0}, {1,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=1 {{0,3}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {1,0}}
+debugShowLineIntersection wtTs[0]=0.333333333 {{0,0}, {3,0}} {{1,0}} wnTs[0]=0 {{1,0}, {1,1}}
+debugShowLineIntersection wtTs[0]=0.666666667 {{0,3}, {0,0}} {{0,1}} wnTs[0]=1 {{1,1}, {0,1}}
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {3,0}} {{0,0}} wnTs[0]=1 {{0,1}, {0,0}}
+debugShowLineIntersection wtTs[0]=0.666666667 {{0,3}, {0,0}} {{0,1}} wtTs[1]=1 {{0,0}} wnTs[0]=0 {{0,1}, {0,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=0 {{2,0}, {2,2}} {{2,0}} wnTs[0]=1 {{0,0}, {2,0}}
+debugShowLineIntersection wtTs[0]=1 {{0,2}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {2,0}}
+debugShowLineIntersection wtTs[0]=0 {{2,2}, {0,2}} {{2,2}} wnTs[0]=1 {{2,0}, {2,2}}
+debugShowLineIntersection wtTs[0]=0 {{0,2}, {0,0}} {{0,2}} wnTs[0]=1 {{2,2}, {0,2}}
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {2,0}} {{0,0}} wtTs[1]=1 {{2,0}} wnTs[0]=0 {{0,0}, {2,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=0 {{2,0}, {2,2}} {{2,0}} wnTs[0]=1 {{0,0}, {2,0}}
+debugShowLineIntersection wtTs[0]=1 {{0,2}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {2,0}}
+debugShowLineIntersection wtTs[0]=1 {{0,0}, {2,0}} {{2,0}} wnTs[0]=0 {{2,0}, {2,2}}
+debugShowLineIntersection wtTs[0]=0 {{2,0}, {2,2}} {{2,0}} wtTs[1]=1 {{2,2}} wnTs[0]=0 {{2,0}, {2,2}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=0 {{2,2}, {0,2}} {{2,2}} wnTs[0]=1 {{2,0}, {2,2}}
+debugShowLineIntersection wtTs[0]=1 {{2,0}, {2,2}} {{2,2}} wnTs[0]=0 {{2,2}, {0,2}}
+debugShowLineIntersection wtTs[0]=0 {{2,2}, {0,2}} {{2,2}} wtTs[1]=1 {{0,2}} wnTs[0]=0 {{2,2}, {0,2}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=0 {{0,2}, {0,0}} {{0,2}} wnTs[0]=1 {{2,2}, {0,2}}
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {2,0}} {{0,0}} wnTs[0]=1 {{0,2}, {0,0}}
+debugShowLineIntersection wtTs[0]=1 {{2,2}, {0,2}} {{0,2}} wnTs[0]=0 {{0,2}, {0,0}}
+debugShowLineIntersection wtTs[0]=0 {{0,2}, {0,0}} {{0,2}} wtTs[1]=1 {{0,0}} wnTs[0]=0 {{0,2}, {0,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {3,0}} {{0,0}} wtTs[1]=0.666666667 {{2,0}} wnTs[0]=0 {{0,0}, {2,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=1 {{0,3}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {2,0}}
+debugShowLineIntersection wtTs[0]=0.666666667 {{0,0}, {3,0}} {{2,0}} wnTs[0]=0 {{2,0}, {2,2}}
+debugShowLineIntersection wtTs[0]=0.333333333 {{0,3}, {0,0}} {{0,2}} wnTs[0]=1 {{2,2}, {0,2}}
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {3,0}} {{0,0}} wnTs[0]=1 {{0,2}, {0,0}}
+debugShowLineIntersection wtTs[0]=0.333333333 {{0,3}, {0,0}} {{0,2}} wtTs[1]=1 {{0,0}} wnTs[0]=0 {{0,2}, {0,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=0 {{2,0}, {2,2}} {{2,0}} wnTs[0]=1 {{0,0}, {2,0}}
+debugShowLineIntersection wtTs[0]=1 {{0,2}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {2,0}}
+debugShowLineIntersection wtTs[0]=0 {{2,2}, {0,2}} {{2,2}} wnTs[0]=1 {{2,0}, {2,2}}
+debugShowLineIntersection wtTs[0]=0 {{0,2}, {0,0}} {{0,2}} wnTs[0]=1 {{2,2}, {0,2}}
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {3,0}} {{0,0}} wtTs[1]=0.666666667 {{2,0}} wnTs[0]=0 {{0,0}, {2,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=1 {{0,3}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {2,0}}
+debugShowLineIntersection wtTs[0]=0.666666667 {{0,0}, {3,0}} {{2,0}} wnTs[0]=0 {{2,0}, {2,2}}
+debugShowLineIntersection wtTs[0]=0.333333333 {{0,3}, {0,0}} {{0,2}} wnTs[0]=1 {{2,2}, {0,2}}
+debugShowLineIntersection wtTs[0]=0 {{0,0}, {3,0}} {{0,0}} wnTs[0]=1 {{0,2}, {0,0}}
+debugShowLineIntersection wtTs[0]=0.333333333 {{0,3}, {0,0}} {{0,2}} wtTs[1]=1 {{0,0}} wnTs[0]=0 {{0,2}, {0,0}} wnTs[1]=1
+debugShowLineIntersection wtTs[0]=0 {{3,0}, {3,3}} {{3,0}} wnTs[0]=1 {{0,0}, {3,0}}
+debugShowLineIntersection wtTs[0]=1 {{0,3}, {0,0}} {{0,0}} wnTs[0]=0 {{0,0}, {3,0}}
+debugShowLineIntersection wtTs[0]=0 {{3,3}, {0,3}} {{3,3}} wnTs[0]=1 {{3,0}, {3,3}}
+debugShowLineIntersection wtTs[0]=0 {{0,3}, {0,0}} {{0,3}} wnTs[0]=1 {{3,3}, {0,3}}
+SkOpSegment::debugShowTs - id=0 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=1 t=1 1,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=4 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0]
+SkOpSegment::addTPair addTPair this=4 0.5 other=0 1
+SkOpSegment::debugShowTs + id=0 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=4,1 t=1 1,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=4 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0]
+SkOpSegment::debugShowTs - id=3 [o=2 t=0 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=7 [o=10,6 t=0 0,2 w=1 o=0] [o=2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::addTPair addTPair this=3 0 other=7 0.5
+SkOpSegment::debugShowTs + id=3 [o=7,2 t=0 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=7 [o=10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs - id=0 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=4,1 t=1 1,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=8 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0] operand
+SkOpSegment::addTPair addTPair this=8 0.5 other=0 1
+SkOpSegment::debugShowTs + id=0 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=8,4,1 t=1 1,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=8 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=3 [o=7,2 t=0 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=11 [o=10,6 t=0 0,2 w=1 o=0] [o=2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::addTPair addTPair this=3 0 other=11 0.5
+SkOpSegment::debugShowTs + id=3 [o=11,7,2 t=0 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=11 [o=10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=0 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=8,4,1 t=1 1,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=12 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=1 t=0.333 1,0 w=1 o=0] [o=9,5 t=0.667 2,0 w=1 o=0] [o=13 t=1 3,0 w=1 o=0] operand
+SkOpSegment::addTPair addTPair this=12 0.333333333 other=0 1
+SkOpSegment::debugShowTs + id=0 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=12,8,4,1 t=1 1,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=12 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.333 1,0 w=1 o=0] [o=9,5 t=0.667 2,0 w=1 o=0] [o=13 t=1 3,0 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=3 [o=11,7,2 t=0 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=15 [o=14 t=0 0,3 w=1 o=0] [o=10,6 t=0.333 0,2 w=1 o=0] [o=2 t=0.667 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::addTPair addTPair this=3 0 other=15 0.666666667
+SkOpSegment::debugShowTs + id=3 [o=15,11,7,2 t=0 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=15 [o=14 t=0 0,3 w=1 o=0] [o=10,6 t=0.333 0,2 w=1 o=0] [o=3,2 t=0.667 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=4 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=8 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0] operand
+SkOpSegment::debugShowTs + id=4 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=8 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=5 [o=12,8,4 t=0 2,0 w=1 o=0] [o=10,6 t=1 2,2 w=1 o=0]
+SkOpSegment::debugShowTs o id=9 [o=12,8,4 t=0 2,0 w=1 o=0] [o=10,6 t=1 2,2 w=1 o=0] operand
+SkOpSegment::debugShowTs + id=5 [o=12,8,4 t=0 2,0 w=1 o=0] [o=10,6 t=1 2,2 w=1 o=0]
+SkOpSegment::debugShowTs o id=9 [o=12,8,4 t=0 2,0 w=1 o=0] [o=10,6 t=1 2,2 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=6 [o=9,5 t=0 2,2 w=1 o=0] [o=15,11,7 t=1 0,2 w=1 o=0]
+SkOpSegment::debugShowTs o id=10 [o=9,5 t=0 2,2 w=1 o=0] [o=15,11,7 t=1 0,2 w=1 o=0] operand
+SkOpSegment::debugShowTs + id=6 [o=9,5 t=0 2,2 w=1 o=0] [o=15,11,7 t=1 0,2 w=1 o=0]
+SkOpSegment::debugShowTs o id=10 [o=9,5 t=0 2,2 w=1 o=0] [o=15,11,7 t=1 0,2 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=7 [o=10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=11 [o=10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::debugShowTs + id=7 [o=10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=11 [o=10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=4 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=12 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.333 1,0 w=1 o=0] [o=9,5 t=0.667 2,0 w=1 o=0] [o=13 t=1 3,0 w=1 o=0] operand
+SkOpSegment::addTPair addTPair this=12 0.666666667 other=4 1
+SkOpSegment::debugShowTs + id=4 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=12,9,5 t=1 2,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=12 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.333 1,0 w=1 o=0] [o=4,9,5 t=0.667 2,0 w=1 o=0] [o=13 t=1 3,0 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=7 [o=10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=15 [o=14 t=0 0,3 w=1 o=0] [o=10,6 t=0.333 0,2 w=1 o=0] [o=3,2 t=0.667 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::addTPair addTPair this=7 0 other=15 0.333333333
+SkOpSegment::debugShowTs + id=7 [o=15,10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=15 [o=14 t=0 0,3 w=1 o=0] [o=7,10,6 t=0.333 0,2 w=1 o=0] [o=3,2 t=0.667 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=8 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=9,5 t=1 2,0 w=1 o=0] operand
+SkOpSegment::debugShowTs o id=12 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.333 1,0 w=1 o=0] [o=4,9,5 t=0.667 2,0 w=1 o=0] [o=13 t=1 3,0 w=1 o=0] operand
+SkOpSegment::addTPair addTPair this=12 0.666666667 other=8 1
+SkOpSegment::debugShowTs + id=8 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=12,9,5 t=1 2,0 w=1 o=0] operand
+SkOpSegment::debugShowTs o id=12 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.333 1,0 w=1 o=0] [o=8,4,9,5 t=0.667 2,0 w=1 o=0] [o=13 t=1 3,0 w=1 o=0] operand
+SkOpSegment::debugShowTs - id=11 [o=10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::debugShowTs o id=15 [o=14 t=0 0,3 w=1 o=0] [o=7,10,6 t=0.333 0,2 w=1 o=0] [o=3,2 t=0.667 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::addTPair addTPair this=11 0 other=15 0.333333333
+SkOpSegment::debugShowTs + id=11 [o=15,10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::debugShowTs o id=15 [o=14 t=0 0,3 w=1 o=0] [o=11,7,10,6 t=0.333 0,2 w=1 o=0] [o=3,2 t=0.667 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpContour::calcCoincidentWinding count=6
+SkOpSegment::debugShowTs p id=0 [o=15,11,7,3 t=0 0,0 w=0 o=0] [o=12,8,4,1 t=1 1,0 w=1 o=0] done
+SkOpSegment::debugShowTs o id=4 [o=15,11,7,3 t=0 0,0 w=0 o=0] [o=0,1 t=0.5 1,0 w=1 o=0] [o=12,9,5 t=1 2,0 w=1 o=0]
+SkOpSegment::debugShowTs p id=3 [o=15,11,7,2 t=0 0,1 w=0 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] done
+SkOpSegment::debugShowTs o id=7 [o=15,10,6 t=0 0,2 w=1 o=0] [o=3,2 t=0.5 0,1 w=0 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpContour::calcCoincidentWinding count=6
+SkOpSegment::debugShowTs p id=4 [o=15,11,7,3 t=0 0,0 w=0 o=0] [o=0,1 t=0.5 1,0 w=1 o=1] [o=12,9,5 t=1 2,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=8 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.5 1,0 w=0 o=0] [o=12,9,5 t=1 2,0 w=1 o=0] operand
+SkOpSegment::debugShowTs p id=5 [o=12,8,4 t=0 2,0 w=1 o=1] [o=10,6 t=1 2,2 w=1 o=0]
+SkOpSegment::debugShowTs o id=9 [o=12,8,4 t=0 2,0 w=0 o=0] [o=10,6 t=1 2,2 w=1 o=0] operand done
+SkOpSegment::debugShowTs p id=6 [o=9,5 t=0 2,2 w=1 o=1] [o=15,11,7 t=1 0,2 w=1 o=0]
+SkOpSegment::debugShowTs o id=10 [o=9,5 t=0 2,2 w=0 o=0] [o=15,11,7 t=1 0,2 w=1 o=0] operand done
+SkOpSegment::debugShowTs p id=7 [o=15,10,6 t=0 0,2 w=1 o=1] [o=3,2 t=0.5 0,1 w=0 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=11 [o=15,10,6 t=0 0,2 w=0 o=0] [o=3,2 t=0.5 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::debugShowTs p id=4 [o=15,11,7,3 t=0 0,0 w=0 o=0] [o=0,1 t=0.5 1,0 w=1 o=2] [o=12,9,5 t=1 2,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=12 [o=15,11,7,3 t=0 0,0 w=1 o=0] [o=0,1 t=0.333 1,0 w=0 o=0] [o=8,4,9,5 t=0.667 2,0 w=1 o=0] [o=13 t=1 3,0 w=1 o=0] operand
+SkOpSegment::debugShowTs p id=7 [o=15,10,6 t=0 0,2 w=1 o=2] [o=3,2 t=0.5 0,1 w=0 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0]
+SkOpSegment::debugShowTs o id=15 [o=14 t=0 0,3 w=1 o=0] [o=11,7,10,6 t=0.333 0,2 w=0 o=0] [o=3,2 t=0.667 0,1 w=1 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpContour::calcCoincidentWinding count=2
+SkOpSegment::debugShowTs p id=8 [o=15,11,7,3 t=0 0,0 w=2 o=0] [o=0,1 t=0.5 1,0 w=0 o=0] [o=12,9,5 t=1 2,0 w=1 o=0] operand
+SkOpSegment::debugShowTs o id=12 [o=15,11,7,3 t=0 0,0 w=0 o=0] [o=0,1 t=0.333 1,0 w=0 o=0] [o=8,4,9,5 t=0.667 2,0 w=1 o=0] [o=13 t=1 3,0 w=1 o=0] operand
+SkOpSegment::debugShowTs p id=11 [o=15,10,6 t=0 0,2 w=0 o=0] [o=3,2 t=0.5 0,1 w=2 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::debugShowTs o id=15 [o=14 t=0 0,3 w=1 o=0] [o=11,7,10,6 t=0.333 0,2 w=0 o=0] [o=3,2 t=0.667 0,1 w=0 o=0] [o=12,8,4,0 t=1 0,0 w=1 o=0] operand
+SkOpSegment::addTPair addTPair this=12 0.333333333 other=8 0.5
+SkOpSegment::addTPair addTPair this=12 0.333333333 other=4 0.5
+SkOpSegment::addTPair addTPair duplicate this=8 0.5 other=12 0.333333333
+SkOpSegment::addTPair addTPair this=8 0.5 other=4 0.5
+SkOpSegment::addTPair addTPair duplicate this=4 0.5 other=8 0.5
+SkOpSegment::addTPair addTPair duplicate this=4 0.5 other=12 0.333333333
+SkOpSegment::addTPair addTPair this=15 0.666666667 other=11 0.5
+SkOpSegment::addTPair addTPair this=15 0.666666667 other=7 0.5
+SkOpSegment::addTPair addTPair duplicate this=11 0.5 other=15 0.666666667
+SkOpSegment::addTPair addTPair this=11 0.5 other=7 0.5
+SkOpSegment::addTPair addTPair duplicate this=7 0.5 other=11 0.5
+SkOpSegment::addTPair addTPair duplicate this=7 0.5 other=15 0.666666667
+SkOpSegment::addTPair addTPair this=4 1 other=8 1
+SkOpSegment::addTPair addTPair this=5 0 other=9 0
+SkOpSegment::addTPair addTPair duplicate this=5 0 other=9 0
+SkOpSegment::addTPair addTPair duplicate this=5 0 other=9 0
+SkOpSegment::addTPair addTPair this=6 1 other=10 1
+SkOpSegment::addTPair addTPair this=7 0 other=11 0
+SkOpSegment::addTPair addTPair duplicate this=7 0 other=11 0
+SkOpSegment::addTPair addTPair duplicate this=7 0 other=11 0
+SkOpContour::joinCoincidence count=6
+SkOpContour::joinCoincidence count=6
+SkOpContour::joinCoincidence count=2
+SkOpSegment::sortAngles [1] tStart=0 [1]
+SkOpAngle::after [1/0] 23/23 tStart=0 tEnd=1 < [4/0] 31/31 tStart=0.5 tEnd=1 < [8/1] 15/15 tStart=0.5 tEnd=0 T 4
+SkOpSegment::sortAngles [2] tStart=1 [2]
+SkOpAngle::after [2/0] 31/31 tStart=1 tEnd=0 < [7/1] 23/23 tStart=0.5 tEnd=0 < [11/0] 7/7 tStart=0.5 tEnd=1 F 4
+SkOpSegment::sortAngles [4] tStart=1 [9]
+SkOpAngle::after [4/1] 15/15 tStart=1 tEnd=0.5 < [5/0] 23/23 tStart=0 tEnd=1 < [12/0] 31/31 tStart=0.666666667 tEnd=1 T 4
+SkOpSegment::sortAngles [5] tStart=1 [5]
+SkOpSegment::sortAngles [6] tStart=1 [3]
+SkOpAngle::after [6/1] 31/31 tStart=1 tEnd=0 < [7/0] 7/7 tStart=0 tEnd=0.5 < [15/0] 23/23 tStart=0.333333333 tEnd=0 T 4
+SkOpSegment::sortAngles [8] tStart=0 [1]
+SkOpSegment::debugShowActiveSpans id=1 (1,0 1,1) t=0 (1,0) tEnd=1 other=12 otherT=0.333333333 otherIndex=7 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=2 (1,1 0,1) t=0 (1,1) tEnd=1 other=1 otherT=1 otherIndex=4 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=4 (0,0 2,0) t=0.5 (1,0) tEnd=1 other=8 otherT=0.5 otherIndex=4 windSum=? windValue=1 oppValue=2
+SkOpSegment::debugShowActiveSpans id=5 (2,0 2,2) t=0 (2,0) tEnd=1 other=9 otherT=0 otherIndex=0 windSum=? windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=6 (2,2 0,2) t=0 (2,2) tEnd=1 other=9 otherT=1 otherIndex=5 windSum=? windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=7 (0,2 0,0) t=0 (0,2) tEnd=0.5 other=11 otherT=0 otherIndex=0 windSum=? windValue=1 oppValue=2
+SkOpSegment::debugShowActiveSpans id=8 (0,0 2,0) t=0 (0,0) tEnd=0.5 other=15 otherT=1 otherIndex=10 windSum=? windValue=2 oppValue=0
+SkOpSegment::debugShowActiveSpans id=11 (0,2 0,0) t=0.5 (0,1) tEnd=1 other=7 otherT=0.5 otherIndex=4 windSum=? windValue=2 oppValue=0
+SkOpSegment::debugShowActiveSpans id=12 (0,0 3,0) t=0.666666667 (2,0) tEnd=1 other=8 otherT=1 otherIndex=9 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=13 (3,0 3,3) t=0 (3,0) tEnd=1 other=12 otherT=1 otherIndex=12 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=14 (3,3 0,3) t=0 (3,3) tEnd=1 other=13 otherT=1 otherIndex=1 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=15 (0,3 0,0) t=0 (0,3) tEnd=0.333333333 other=14 otherT=1 otherIndex=1 windSum=? windValue=1 oppValue=0
+SkOpSegment::findTop
+SkOpAngle::debugOne [11/1] next=8/0 sect=23/23 s=1 [11] e=0.5 [7] sgn=1 windVal=2 windSum=? operand
+SkOpAngle::debugOne [8/0] next=11/1 sect=31/31 s=0 [0] e=0.5 [4] sgn=-1 windVal=2 windSum=? operand stop
+SkOpSegment::markWinding id=11 (0,2 0,0) t=0.5 [6] (0,1) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=? windSum=? windValue=2
+SkOpSegment::markWinding id=11 (0,2 0,0) t=0.5 [5] (0,1) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=? windSum=? windValue=2
+SkOpSegment::markWinding id=11 (0,2 0,0) t=0.5 [4] (0,1) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=? windSum=? windValue=2
+SkOpSegment::markWinding id=11 (0,2 0,0) t=0.5 [7] (0,1) tEnd=1 newWindSum=-2 newOppSum=0 oppSum=? windSum=? windValue=2
+SkOpSegment::markWinding id=11 (0,2 0,0) t=0.5 [6] (0,1) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2
+SkOpSegment::markWinding id=11 (0,2 0,0) t=0.5 [5] (0,1) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2
+SkOpSegment::markWinding id=11 (0,2 0,0) t=0.5 [4] (0,1) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2
+SkOpSegment::markWinding id=11 (0,2 0,0) t=0.5 [7] (0,1) tEnd=1 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2
+SkOpSegment::activeOp op=diff miFrom=0 miTo=0 suFrom=1 suTo=0 result=0
+SkOpSegment::markDoneBinary id=11 (0,2 0,0) t=0.5 [6] (0,1) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2
+SkOpSegment::markDoneBinary id=11 (0,2 0,0) t=0.5 [5] (0,1) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2
+SkOpSegment::markDoneBinary id=11 (0,2 0,0) t=0.5 [4] (0,1) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2
+SkOpSegment::markDoneBinary id=11 (0,2 0,0) t=0.5 [7] (0,1) tEnd=1 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2
+SkOpSegment::markWinding id=8 (0,0 2,0) t=0 [0] (0,0) tEnd=0 newWindSum=-2 newOppSum=0 oppSum=? windSum=? windValue=2
+SkOpSegment::markWinding id=8 (0,0 2,0) t=0 [1] (0,0) tEnd=0 newWindSum=-2 newOppSum=0 oppSum=? windSum=? windValue=2
+SkOpSegment::markWinding id=8 (0,0 2,0) t=0 [2] (0,0) tEnd=0 newWindSum=-2 newOppSum=0 oppSum=? windSum=? windValue=2
+SkOpSegment::markWinding id=8 (0,0 2,0) t=0 [3] (0,0) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=? windSum=? windValue=2
+SkOpSegment::markAngle last id=8 windSum=? small=0
+SkOpSegment::debugShowActiveSpans id=1 (1,0 1,1) t=0 (1,0) tEnd=1 other=12 otherT=0.333333333 otherIndex=7 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=2 (1,1 0,1) t=0 (1,1) tEnd=1 other=1 otherT=1 otherIndex=4 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=4 (0,0 2,0) t=0.5 (1,0) tEnd=1 other=8 otherT=0.5 otherIndex=4 windSum=? windValue=1 oppValue=2
+SkOpSegment::debugShowActiveSpans id=5 (2,0 2,2) t=0 (2,0) tEnd=1 other=9 otherT=0 otherIndex=0 windSum=? windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=6 (2,2 0,2) t=0 (2,2) tEnd=1 other=9 otherT=1 otherIndex=5 windSum=? windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=7 (0,2 0,0) t=0 (0,2) tEnd=0.5 other=11 otherT=0 otherIndex=0 windSum=? windValue=1 oppValue=2
+SkOpSegment::debugShowActiveSpans id=8 (0,0 2,0) t=0 (0,0) tEnd=0.5 other=15 otherT=1 otherIndex=10 windSum=-2 windValue=2 oppValue=0
+SkOpSegment::debugShowActiveSpans id=12 (0,0 3,0) t=0.666666667 (2,0) tEnd=1 other=8 otherT=1 otherIndex=9 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=13 (3,0 3,3) t=0 (3,0) tEnd=1 other=12 otherT=1 otherIndex=12 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=14 (3,3 0,3) t=0 (3,3) tEnd=1 other=13 otherT=1 otherIndex=1 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=15 (0,3 0,0) t=0 (0,3) tEnd=0.333333333 other=14 otherT=1 otherIndex=1 windSum=? windValue=1 oppValue=0
+SkOpSegment::activeOp op=diff miFrom=0 miTo=0 suFrom=1 suTo=0 result=0
+SkOpSegment::markDoneBinary id=8 (0,0 2,0) t=0 [0] (0,0) tEnd=0 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2
+SkOpSegment::markDoneBinary id=8 (0,0 2,0) t=0 [1] (0,0) tEnd=0 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2
+SkOpSegment::markDoneBinary id=8 (0,0 2,0) t=0 [2] (0,0) tEnd=0 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2
+SkOpSegment::markDoneBinary id=8 (0,0 2,0) t=0 [3] (0,0) tEnd=0.5 newWindSum=-2 newOppSum=0 oppSum=0 windSum=-2 windValue=2
+SkOpSegment::markWinding id=1 (1,0 1,1) t=0 [0] (1,0) tEnd=0 newWindSum=1 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=1 (1,0 1,1) t=0 [1] (1,0) tEnd=0 newWindSum=1 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=1 (1,0 1,1) t=0 [2] (1,0) tEnd=0 newWindSum=1 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=1 (1,0 1,1) t=0 [3] (1,0) tEnd=1 newWindSum=1 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=2 (1,1 0,1) t=0 [0] (1,1) tEnd=1 newWindSum=1 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markAngle last id=2 windSum=? small=0
+SkOpSegment::markWinding id=4 (0,0 2,0) t=0.5 [4] (1,0) tEnd=0.5 newWindSum=2 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=4 (0,0 2,0) t=0.5 [5] (1,0) tEnd=0.5 newWindSum=2 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=4 (0,0 2,0) t=0.5 [6] (1,0) tEnd=0.5 newWindSum=2 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=4 (0,0 2,0) t=0.5 [7] (1,0) tEnd=1 newWindSum=2 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markAngle last id=4 windSum=? small=0
+SkOpSegment::debugShowActiveSpans id=1 (1,0 1,1) t=0 (1,0) tEnd=1 other=12 otherT=0.333333333 otherIndex=7 windSum=1 windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=2 (1,1 0,1) t=0 (1,1) tEnd=1 other=1 otherT=1 otherIndex=4 windSum=1 windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=4 (0,0 2,0) t=0.5 (1,0) tEnd=1 other=8 otherT=0.5 otherIndex=4 windSum=2 windValue=1 oppValue=2
+SkOpSegment::debugShowActiveSpans id=5 (2,0 2,2) t=0 (2,0) tEnd=1 other=9 otherT=0 otherIndex=0 windSum=? windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=6 (2,2 0,2) t=0 (2,2) tEnd=1 other=9 otherT=1 otherIndex=5 windSum=? windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=7 (0,2 0,0) t=0 (0,2) tEnd=0.5 other=11 otherT=0 otherIndex=0 windSum=? windValue=1 oppValue=2
+SkOpSegment::debugShowActiveSpans id=12 (0,0 3,0) t=0.666666667 (2,0) tEnd=1 other=8 otherT=1 otherIndex=9 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=13 (3,0 3,3) t=0 (3,0) tEnd=1 other=12 otherT=1 otherIndex=12 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=14 (3,3 0,3) t=0 (3,3) tEnd=1 other=13 otherT=1 otherIndex=1 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=15 (0,3 0,0) t=0 (0,3) tEnd=0.333333333 other=14 otherT=1 otherIndex=1 windSum=? windValue=1 oppValue=0
+SkOpSegment::activeOp op=diff miFrom=0 miTo=1 suFrom=1 suTo=1 result=0
+SkOpSegment::markDoneBinary id=1 (1,0 1,1) t=0 [0] (1,0) tEnd=0 newWindSum=1 newOppSum=-2 oppSum=-2 windSum=1 windValue=1
+SkOpSegment::markDoneBinary id=1 (1,0 1,1) t=0 [1] (1,0) tEnd=0 newWindSum=1 newOppSum=-2 oppSum=-2 windSum=1 windValue=1
+SkOpSegment::markDoneBinary id=1 (1,0 1,1) t=0 [2] (1,0) tEnd=0 newWindSum=1 newOppSum=-2 oppSum=-2 windSum=1 windValue=1
+SkOpSegment::markDoneBinary id=1 (1,0 1,1) t=0 [3] (1,0) tEnd=1 newWindSum=1 newOppSum=-2 oppSum=-2 windSum=1 windValue=1
+SkOpSegment::markDoneBinary id=2 (1,1 0,1) t=0 [0] (1,1) tEnd=1 newWindSum=1 newOppSum=-2 oppSum=-2 windSum=1 windValue=1
+SkOpSegment::markWinding id=7 (0,2 0,0) t=0 [0] (0,2) tEnd=0 newWindSum=-1 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=7 (0,2 0,0) t=0 [1] (0,2) tEnd=0 newWindSum=-1 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=7 (0,2 0,0) t=0 [2] (0,2) tEnd=0 newWindSum=-1 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=7 (0,2 0,0) t=0 [3] (0,2) tEnd=0.5 newWindSum=-1 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markAngle last id=7 windSum=-1 small=0
+SkOpSegment::debugShowActiveSpans id=4 (0,0 2,0) t=0.5 (1,0) tEnd=1 other=8 otherT=0.5 otherIndex=4 windSum=2 windValue=1 oppValue=2
+SkOpSegment::debugShowActiveSpans id=5 (2,0 2,2) t=0 (2,0) tEnd=1 other=9 otherT=0 otherIndex=0 windSum=? windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=6 (2,2 0,2) t=0 (2,2) tEnd=1 other=9 otherT=1 otherIndex=5 windSum=? windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=7 (0,2 0,0) t=0 (0,2) tEnd=0.5 other=11 otherT=0 otherIndex=0 windSum=-1 windValue=1 oppValue=2
+SkOpSegment::debugShowActiveSpans id=12 (0,0 3,0) t=0.666666667 (2,0) tEnd=1 other=8 otherT=1 otherIndex=9 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=13 (3,0 3,3) t=0 (3,0) tEnd=1 other=12 otherT=1 otherIndex=12 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=14 (3,3 0,3) t=0 (3,3) tEnd=1 other=13 otherT=1 otherIndex=1 windSum=? windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=15 (0,3 0,0) t=0 (0,3) tEnd=0.333333333 other=14 otherT=1 otherIndex=1 windSum=? windValue=1 oppValue=0
+SkOpSegment::activeOp op=diff miFrom=0 miTo=1 suFrom=0 suTo=1 result=0
+SkOpSegment::markDoneBinary id=7 (0,2 0,0) t=0 [0] (0,2) tEnd=0 newWindSum=-1 newOppSum=-2 oppSum=-2 windSum=-1 windValue=1
+SkOpSegment::markDoneBinary id=7 (0,2 0,0) t=0 [1] (0,2) tEnd=0 newWindSum=-1 newOppSum=-2 oppSum=-2 windSum=-1 windValue=1
+SkOpSegment::markDoneBinary id=7 (0,2 0,0) t=0 [2] (0,2) tEnd=0 newWindSum=-1 newOppSum=-2 oppSum=-2 windSum=-1 windValue=1
+SkOpSegment::markDoneBinary id=7 (0,2 0,0) t=0 [3] (0,2) tEnd=0.5 newWindSum=-1 newOppSum=-2 oppSum=-2 windSum=-1 windValue=1
+SkOpSegment::markWinding id=15 (0,3 0,0) t=0 [0] (0,3) tEnd=0.333333333 newWindSum=-1 newOppSum=0 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=14 (3,3 0,3) t=0 [0] (3,3) tEnd=1 newWindSum=-1 newOppSum=0 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=13 (3,0 3,3) t=0 [0] (3,0) tEnd=1 newWindSum=-1 newOppSum=0 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=12 (0,0 3,0) t=0.666666667 [10] (2,0) tEnd=0.666666667 newWindSum=-1 newOppSum=0 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=12 (0,0 3,0) t=0.666666667 [9] (2,0) tEnd=0.666666667 newWindSum=-1 newOppSum=0 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=12 (0,0 3,0) t=0.666666667 [8] (2,0) tEnd=0.666666667 newWindSum=-1 newOppSum=0 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=12 (0,0 3,0) t=0.666666667 [11] (2,0) tEnd=1 newWindSum=-1 newOppSum=0 oppSum=? windSum=? windValue=1
+SkOpSegment::markAngle last id=12 windSum=-1 small=0
+SkOpSegment::markWinding id=6 (2,2 0,2) t=0 [0] (2,2) tEnd=0 newWindSum=-1 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=6 (2,2 0,2) t=0 [1] (2,2) tEnd=1 newWindSum=-1 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markAngle last id=6 windSum=-1 small=0
+SkOpSegment::debugShowActiveSpans id=4 (0,0 2,0) t=0.5 (1,0) tEnd=1 other=8 otherT=0.5 otherIndex=4 windSum=2 windValue=1 oppValue=2
+SkOpSegment::debugShowActiveSpans id=5 (2,0 2,2) t=0 (2,0) tEnd=1 other=9 otherT=0 otherIndex=0 windSum=? windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=6 (2,2 0,2) t=0 (2,2) tEnd=1 other=9 otherT=1 otherIndex=5 windSum=-1 windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=12 (0,0 3,0) t=0.666666667 (2,0) tEnd=1 other=8 otherT=1 otherIndex=9 windSum=-1 windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=13 (3,0 3,3) t=0 (3,0) tEnd=1 other=12 otherT=1 otherIndex=12 windSum=-1 windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=14 (3,3 0,3) t=0 (3,3) tEnd=1 other=13 otherT=1 otherIndex=1 windSum=-1 windValue=1 oppValue=0
+SkOpSegment::debugShowActiveSpans id=15 (0,3 0,0) t=0 (0,3) tEnd=0.333333333 other=14 otherT=1 otherIndex=1 windSum=-1 windValue=1 oppValue=0
+SkOpSegment::activeOp op=diff miFrom=0 miTo=0 suFrom=0 suTo=1 result=0
+SkOpSegment::markDoneBinary id=15 (0,3 0,0) t=0 [0] (0,3) tEnd=0.333333333 newWindSum=-1 newOppSum=0 oppSum=0 windSum=-1 windValue=1
+SkOpSegment::markDoneBinary id=14 (3,3 0,3) t=0 [0] (3,3) tEnd=1 newWindSum=-1 newOppSum=0 oppSum=0 windSum=-1 windValue=1
+SkOpSegment::markDoneBinary id=13 (3,0 3,3) t=0 [0] (3,0) tEnd=1 newWindSum=-1 newOppSum=0 oppSum=0 windSum=-1 windValue=1
+SkOpSegment::markDoneBinary id=12 (0,0 3,0) t=0.666666667 [10] (2,0) tEnd=0.666666667 newWindSum=-1 newOppSum=0 oppSum=0 windSum=-1 windValue=1
+SkOpSegment::markDoneBinary id=12 (0,0 3,0) t=0.666666667 [9] (2,0) tEnd=0.666666667 newWindSum=-1 newOppSum=0 oppSum=0 windSum=-1 windValue=1
+SkOpSegment::markDoneBinary id=12 (0,0 3,0) t=0.666666667 [8] (2,0) tEnd=0.666666667 newWindSum=-1 newOppSum=0 oppSum=0 windSum=-1 windValue=1
+SkOpSegment::markDoneBinary id=12 (0,0 3,0) t=0.666666667 [11] (2,0) tEnd=1 newWindSum=-1 newOppSum=0 oppSum=0 windSum=-1 windValue=1
+SkOpSegment::debugShowActiveSpans id=4 (0,0 2,0) t=0.5 (1,0) tEnd=1 other=8 otherT=0.5 otherIndex=4 windSum=2 windValue=1 oppValue=2
+SkOpSegment::debugShowActiveSpans id=5 (2,0 2,2) t=0 (2,0) tEnd=1 other=9 otherT=0 otherIndex=0 windSum=? windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=6 (2,2 0,2) t=0 (2,2) tEnd=1 other=9 otherT=1 otherIndex=5 windSum=-1 windValue=1 oppValue=1
+SkOpSegment::activeOp op=diff miFrom=0 miTo=1 suFrom=0 suTo=1 result=0
+SkOpSegment::markDoneBinary id=4 (0,0 2,0) t=0.5 [6] (1,0) tEnd=0.5 newWindSum=2 newOppSum=-2 oppSum=-2 windSum=2 windValue=1
+SkOpSegment::markDoneBinary id=4 (0,0 2,0) t=0.5 [5] (1,0) tEnd=0.5 newWindSum=2 newOppSum=-2 oppSum=-2 windSum=2 windValue=1
+SkOpSegment::markDoneBinary id=4 (0,0 2,0) t=0.5 [4] (1,0) tEnd=0.5 newWindSum=2 newOppSum=-2 oppSum=-2 windSum=2 windValue=1
+SkOpSegment::markDoneBinary id=4 (0,0 2,0) t=0.5 [7] (1,0) tEnd=1 newWindSum=2 newOppSum=-2 oppSum=-2 windSum=2 windValue=1
+SkOpSegment::markWinding id=5 (2,0 2,2) t=0 [0] (2,0) tEnd=0 newWindSum=2 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=5 (2,0 2,2) t=0 [1] (2,0) tEnd=0 newWindSum=2 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=5 (2,0 2,2) t=0 [2] (2,0) tEnd=0 newWindSum=2 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markWinding id=5 (2,0 2,2) t=0 [3] (2,0) tEnd=1 newWindSum=2 newOppSum=-2 oppSum=? windSum=? windValue=1
+SkOpSegment::markAngle last id=5 windSum=? small=0
+SkOpSegment::debugShowActiveSpans id=5 (2,0 2,2) t=0 (2,0) tEnd=1 other=9 otherT=0 otherIndex=0 windSum=2 windValue=1 oppValue=1
+SkOpSegment::debugShowActiveSpans id=6 (2,2 0,2) t=0 (2,2) tEnd=1 other=9 otherT=1 otherIndex=5 windSum=-1 windValue=1 oppValue=1
+SkOpSegment::activeOp op=diff miFrom=1 miTo=0 suFrom=1 suTo=1 result=0
+SkOpSegment::markDoneBinary id=5 (2,0 2,2) t=0 [0] (2,0) tEnd=0 newWindSum=2 newOppSum=-2 oppSum=-2 windSum=2 windValue=1
+SkOpSegment::markDoneBinary id=5 (2,0 2,2) t=0 [1] (2,0) tEnd=0 newWindSum=2 newOppSum=-2 oppSum=-2 windSum=2 windValue=1
+SkOpSegment::markDoneBinary id=5 (2,0 2,2) t=0 [2] (2,0) tEnd=0 newWindSum=2 newOppSum=-2 oppSum=-2 windSum=2 windValue=1
+SkOpSegment::markDoneBinary id=5 (2,0 2,2) t=0 [3] (2,0) tEnd=1 newWindSum=2 newOppSum=-2 oppSum=-2 windSum=2 windValue=1
+SkOpSegment::debugShowActiveSpans id=6 (2,2 0,2) t=0 (2,2) tEnd=1 other=9 otherT=1 otherIndex=5 windSum=-1 windValue=1 oppValue=1
+SkOpSegment::activeOp op=diff miFrom=1 miTo=0 suFrom=1 suTo=1 result=0
+SkOpSegment::markDoneBinary id=6 (2,2 0,2) t=0 [0] (2,2) tEnd=0 newWindSum=-1 newOppSum=-2 oppSum=-2 windSum=-1 windValue=1
+SkOpSegment::markDoneBinary id=6 (2,2 0,2) t=0 [1] (2,2) tEnd=1 newWindSum=-1 newOppSum=-2 oppSum=-2 windSum=-1 windValue=1
+</div>
+
+</div>
+
+<script type="text/javascript">
+
+var testDivs = [
+ rects4,
+ refRects4,
+];
+
+var decimal_places = 3; // make this 3 to show more precision
+
+var tests = [];
+var testLines = [];
+var testTitles = [];
+var testIndex = 0;
+var ctx;
+
+var xmin, xmax, focusXmin, focusXmax;
+var ymin, ymax, focusYmin, focusYmax;
+var scale;
+var mouseX, mouseY;
+var srcLeft, srcTop;
+var screenWidth, screenHeight;
+var drawnPts, drawnLines, drawnQuads, drawnCubics;
+var curveT = 0;
+
+var pt_labels = 2;
+var collect_bounds = false;
+var control_lines = 0;
+var curve_t = false;
+var debug_xy = 1;
+var focus_enabled = false;
+var focus_on_selection = false;
+var step_limit = 0;
+var draw_active = false;
+var draw_add = false;
+var draw_angle = 0;
+var draw_deriviatives = 0;
+var draw_hints = false;
+var draw_hodo = 0;
+var draw_id = false;
+var draw_intersection = 0;
+var draw_intersectT = false;
+var draw_legend = true;
+var draw_log = false;
+var draw_mark = false;
+var draw_midpoint = false;
+var draw_op = 0;
+var draw_sequence = false;
+var draw_sort = 0;
+var draw_path = 3;
+var draw_computed = 0;
+var retina_scale = !!window.devicePixelRatio;
+
+var activeCount = 0;
+var addCount = 0;
+var angleCount = 0;
+var opCount = 0;
+var sectCount = 0;
+var sortCount = 0;
+var markCount = 0;
+var activeMax = 0;
+var addMax = 0;
+var angleMax = 0;
+var sectMax = 0;
+var sectMax2 = 0;
+var sortMax = 0;
+var markMax = 0;
+var opMax = 0;
+var stepMax = 0;
+var lastIndex = 0;
+var hasPath = false;
+var hasComputedPath = false;
+
+var firstActiveSpan = -1;
+var logStart = -1;
+var logRange = 0;
+
+var SPAN_ID = 0;
+var SPAN_X1 = SPAN_ID + 1;
+var SPAN_Y1 = SPAN_X1 + 1;
+var SPAN_X2 = SPAN_Y1 + 1;
+var SPAN_Y2 = SPAN_X2 + 1;
+var SPAN_L_T = SPAN_Y2 + 1;
+var SPAN_L_TX = SPAN_L_T + 1;
+var SPAN_L_TY = SPAN_L_TX + 1;
+var SPAN_L_TEND = SPAN_L_TY + 1;
+var SPAN_L_OTHER = SPAN_L_TEND + 1;
+var SPAN_L_OTHERT = SPAN_L_OTHER + 1;
+var SPAN_L_OTHERI = SPAN_L_OTHERT + 1;
+var SPAN_L_SUM = SPAN_L_OTHERI + 1;
+var SPAN_L_VAL = SPAN_L_SUM + 1;
+var SPAN_L_OPP = SPAN_L_VAL + 1;
+
+var SPAN_X3 = SPAN_Y2 + 1;
+var SPAN_Y3 = SPAN_X3 + 1;
+var SPAN_Q_T = SPAN_Y3 + 1;
+var SPAN_Q_TX = SPAN_Q_T + 1;
+var SPAN_Q_TY = SPAN_Q_TX + 1;
+var SPAN_Q_TEND = SPAN_Q_TY + 1;
+var SPAN_Q_OTHER = SPAN_Q_TEND + 1;
+var SPAN_Q_OTHERT = SPAN_Q_OTHER + 1;
+var SPAN_Q_OTHERI = SPAN_Q_OTHERT + 1;
+var SPAN_Q_SUM = SPAN_Q_OTHERI + 1;
+var SPAN_Q_VAL = SPAN_Q_SUM + 1;
+var SPAN_Q_OPP = SPAN_Q_VAL + 1;
+
+var SPAN_X4 = SPAN_Y3 + 1;
+var SPAN_Y4 = SPAN_X4 + 1;
+var SPAN_C_T = SPAN_Y4 + 1;
+var SPAN_C_TX = SPAN_C_T + 1;
+var SPAN_C_TY = SPAN_C_TX + 1;
+var SPAN_C_TEND = SPAN_C_TY + 1;
+var SPAN_C_OTHER = SPAN_C_TEND + 1;
+var SPAN_C_OTHERT = SPAN_C_OTHER + 1;
+var SPAN_C_OTHERI = SPAN_C_OTHERT + 1;
+var SPAN_C_SUM = SPAN_C_OTHERI + 1;
+var SPAN_C_VAL = SPAN_C_SUM + 1;
+var SPAN_C_OPP = SPAN_C_VAL + 1;
+
+var ACTIVE_LINE_SPAN = 1;
+var ACTIVE_QUAD_SPAN = ACTIVE_LINE_SPAN + 1;
+var ACTIVE_CUBIC_SPAN = ACTIVE_QUAD_SPAN + 1;
+
+var ADD_MOVETO = ACTIVE_CUBIC_SPAN + 1;
+var ADD_LINETO = ADD_MOVETO + 1;
+var ADD_QUADTO = ADD_LINETO + 1;
+var ADD_CUBICTO = ADD_QUADTO + 1;
+var ADD_CLOSE = ADD_CUBICTO + 1;
+var ADD_FILL = ADD_CLOSE + 1;
+
+var PATH_LINE = ADD_FILL + 1;
+var PATH_QUAD = PATH_LINE + 1;
+var PATH_CUBIC = PATH_QUAD + 1;
+
+var INTERSECT_LINE = PATH_CUBIC + 1;
+var INTERSECT_LINE_2 = INTERSECT_LINE + 1;
+var INTERSECT_LINE_NO = INTERSECT_LINE_2 + 1;
+var INTERSECT_QUAD_LINE = INTERSECT_LINE_NO + 1;
+var INTERSECT_QUAD_LINE_2 = INTERSECT_QUAD_LINE + 1;
+var INTERSECT_QUAD_LINE_NO = INTERSECT_QUAD_LINE_2 + 1;
+var INTERSECT_QUAD = INTERSECT_QUAD_LINE_NO + 1;
+var INTERSECT_QUAD_2 = INTERSECT_QUAD + 1;
+var INTERSECT_QUAD_NO = INTERSECT_QUAD_2 + 1;
+var INTERSECT_SELF_CUBIC = INTERSECT_QUAD_NO + 1;
+var INTERSECT_SELF_CUBIC_NO = INTERSECT_SELF_CUBIC + 1;
+var INTERSECT_CUBIC_LINE = INTERSECT_SELF_CUBIC_NO + 1;
+var INTERSECT_CUBIC_LINE_2 = INTERSECT_CUBIC_LINE + 1;
+var INTERSECT_CUBIC_LINE_3 = INTERSECT_CUBIC_LINE_2 + 1;
+var INTERSECT_CUBIC_LINE_NO = INTERSECT_CUBIC_LINE_3 + 1;
+var INTERSECT_CUBIC_QUAD = INTERSECT_CUBIC_LINE_NO + 1;
+var INTERSECT_CUBIC_QUAD_2 = INTERSECT_CUBIC_QUAD + 1;
+var INTERSECT_CUBIC_QUAD_3 = INTERSECT_CUBIC_QUAD_2 + 1;
+var INTERSECT_CUBIC_QUAD_4 = INTERSECT_CUBIC_QUAD_3 + 1;
+var INTERSECT_CUBIC_QUAD_NO = INTERSECT_CUBIC_QUAD_4 + 1;
+var INTERSECT_CUBIC = INTERSECT_CUBIC_QUAD_NO + 1;
+var INTERSECT_CUBIC_2 = INTERSECT_CUBIC + 1;
+var INTERSECT_CUBIC_3 = INTERSECT_CUBIC_2 + 1;
+var INTERSECT_CUBIC_4 = INTERSECT_CUBIC_3 + 1;
+// FIXME: add cubic 5- 9
+var INTERSECT_CUBIC_NO = INTERSECT_CUBIC_4 + 1;
+
+var SORT_UNARY = INTERSECT_CUBIC_NO + 1;
+var SORT_BINARY = SORT_UNARY + 1;
+
+var OP_DIFFERENCE = SORT_BINARY + 1;
+var OP_INTERSECT = OP_DIFFERENCE + 1;
+var OP_UNION = OP_INTERSECT + 1;
+var OP_XOR = OP_UNION + 1;
+
+var MARK_LINE = OP_XOR + 1;
+var MARK_QUAD = MARK_LINE + 1;
+var MARK_CUBIC = MARK_QUAD + 1;
+var MARK_DONE_LINE = MARK_CUBIC + 1;
+var MARK_DONE_QUAD = MARK_DONE_LINE + 1;
+var MARK_DONE_CUBIC = MARK_DONE_QUAD + 1;
+var MARK_UNSORTABLE_LINE = MARK_DONE_CUBIC + 1;
+var MARK_UNSORTABLE_QUAD = MARK_UNSORTABLE_LINE + 1;
+var MARK_UNSORTABLE_CUBIC = MARK_UNSORTABLE_QUAD + 1;
+var MARK_SIMPLE_LINE = MARK_UNSORTABLE_CUBIC + 1;
+var MARK_SIMPLE_QUAD = MARK_SIMPLE_LINE + 1;
+var MARK_SIMPLE_CUBIC = MARK_SIMPLE_QUAD + 1;
+var MARK_SIMPLE_DONE_LINE = MARK_SIMPLE_CUBIC + 1;
+var MARK_SIMPLE_DONE_QUAD = MARK_SIMPLE_DONE_LINE + 1;
+var MARK_SIMPLE_DONE_CUBIC = MARK_SIMPLE_DONE_QUAD + 1;
+var MARK_DONE_UNARY_LINE = MARK_SIMPLE_DONE_CUBIC + 1;
+var MARK_DONE_UNARY_QUAD = MARK_DONE_UNARY_LINE + 1;
+var MARK_DONE_UNARY_CUBIC = MARK_DONE_UNARY_QUAD + 1;
+var MARK_ANGLE_LAST = MARK_DONE_UNARY_CUBIC + 1;
+
+var COMPUTED_SET_1 = MARK_ANGLE_LAST + 1;
+var COMPUTED_SET_2 = COMPUTED_SET_1 + 1;
+
+var ANGLE_AFTER = COMPUTED_SET_2;
+var ANGLE_AFTER2 = ANGLE_AFTER + 1;
+
+var ACTIVE_OP = ANGLE_AFTER2 + 1;
+
+var FRAG_TYPE_LAST = ACTIVE_OP;
+
+var REC_TYPE_UNKNOWN = -1;
+var REC_TYPE_PATH = 0;
+var REC_TYPE_SECT = 1;
+var REC_TYPE_ACTIVE = 2;
+var REC_TYPE_ADD = 3;
+var REC_TYPE_SORT = 4;
+var REC_TYPE_OP = 5;
+var REC_TYPE_MARK = 6;
+var REC_TYPE_COMPUTED = 7;
+var REC_TYPE_COIN = 8;
+var REC_TYPE_ANGLE = 9;
+var REC_TYPE_ACTIVE_OP = 10;
+var REC_TYPE_LAST = REC_TYPE_ACTIVE_OP;
+
+function strs_to_nums(strs) {
+ var result = [];
+ for (var idx = 1; idx < strs.length; ++idx) {
+ var str = strs[idx];
+ var num = parseFloat(str);
+ if (isNaN(num)) {
+ result.push(str);
+ } else {
+ result.push(num);
+ }
+ }
+ return result;
+}
+
+function filter_str_by(id, str, regex, array) {
+ if (regex.test(str)) {
+ var strs = regex.exec(str);
+ var result = strs_to_nums(strs);
+ array.push(id);
+ array.push(result);
+ return true;
+ }
+ return false;
+}
+
+function construct_regexp2(pattern) {
+ var escape = pattern.replace(/[-/\\^$*+?.()|[\]{}]/g, '\\$&');
+ escape = escape.replace(/UNSORTABLE/g, "\\*\\*\\* UNSORTABLE \\*\\*\\*");
+ escape = escape.replace(/CUBIC_VAL/g, "\\(P_VAL P_VAL P_VAL P_VAL\\)");
+ escape = escape.replace(/QUAD_VAL/g, "\\(P_VAL P_VAL P_VAL\\)");
+ escape = escape.replace(/LINE_VAL/g, "\\(P_VAL P_VAL\\)");
+ escape = escape.replace(/FILL_TYPE/g, "SkPath::k[a-zA-Z]+_FillType");
+ escape = escape.replace(/PT_VAL/g, "\\(P_VAL\\)");
+ escape = escape.replace(/P_VAL/g, "(-?\\d+\\.?\\d*(?:e-?\\d+)?)[Ff]?, ?(-?\\d+\\.?\\d*(?:e-?\\d+)?)[Ff]?");
+ escape = escape.replace(/T_VAL/g, "(-?\\d+\\.?\\d*(?:e-?\\d+)?)");
+ escape = escape.replace(/PATH/g, "pathB?");
+ escape = escape.replace(/IDX/g, "(\\d+)");
+ escape = escape.replace(/NUM/g, "(-?\\d+)");
+ escape = escape.replace(/OPT/g, "(\\?|-?\\d+)");
+ return new RegExp(escape, 'i');
+}
+
+function construct_regexp2c(pattern) {
+ var escape = pattern.replace(/[-/\\^$*+?.()|[\]{}]/g, '\\$&');
+ escape = escape.replace(/UNSORTABLE/g, "\\*\\*\\* UNSORTABLE \\*\\*\\*");
+ escape = escape.replace(/CUBIC_VAL/g, "(?:\\$\\d = )?\\{\\{P_VAL\\}, \\{P_VAL\\}, \\{P_VAL\\}, \\{P_VAL\\}\\}");
+ escape = escape.replace(/QUAD_VAL/g, "(?:\\$\\d = )?\\{\\{P_VAL\\}, \\{P_VAL\\}, \\{P_VAL\\}\\}");
+ escape = escape.replace(/LINE_VAL/g, "(?:\\$\\d = )?\\{\\{P_VAL\\}, \\{P_VAL\\}\\}");
+ escape = escape.replace(/FILL_TYPE/g, "SkPath::k[a-zA-Z]+_FillType");
+ escape = escape.replace(/PT_VAL/g, "\\{\\{P_VAL\\}\\}");
+ escape = escape.replace(/P_VAL/g, "(?:f?[xX] = )?(-?\\d+\\.?\\d*(?:e-?\\d+)?)[Ff]?,(?: f?[yY] = )?(-?\\d+\\.?\\d*(?:e-?\\d+)?)[Ff]?");
+ escape = escape.replace(/T_VAL/g, "(-?\\d+\\.?\\d*(?:e-?\\d+)?)");
+ escape = escape.replace(/OPER/g, "[a-z]+");
+ escape = escape.replace(/PATH/g, "pathB?");
+ escape = escape.replace(/T_F/g, "([TF])");
+ escape = escape.replace(/IDX/g, "(\\d+)");
+ escape = escape.replace(/NUM/g, "(-?\\d+)");
+ escape = escape.replace(/OPT/g, "(\\?|-?\\d+)");
+ return new RegExp(escape, 'i');
+}
+
+function match_regexp(str, lineNo, array, id, pattern) {
+ var regex = construct_regexp2(pattern);
+ if (filter_str_by(id, str, regex, array)) {
+ return true;
+ }
+ regex = construct_regexp2c(pattern);
+ return filter_str_by(id, str, regex, array);
+}
+
+function endsWith(str, suffix) {
+ return str.indexOf(suffix, str.length - suffix.length) !== -1;
+}
+
+function parse_all(test) {
+ var lines = test.match(/[^\r\n]+/g);
+ var records = []; // a rec can be the original paths, a set of intersections, a set of active spans, a sort, or a path add
+ var record = [];
+ var recType = REC_TYPE_UNKNOWN;
+ var lastLineNo;
+ var moveX, moveY;
+ for (var lineNo = 0; lineNo < lines.length; ++lineNo) {
+ var line = lines[lineNo];
+ if (line.length == 0) {
+ continue;
+ }
+ var opStart = "SkOpSegment::";
+ if (line.lastIndexOf(opStart, 0) === 0) {
+ line = line.substr(opStart.length);
+ }
+ var angleStart = "SkOpAngle::";
+ if (line.lastIndexOf(angleStart, 0) === 0) {
+ line = line.substr(angleStart.length);
+ }
+ var type = line.lastIndexOf("debugShowActiveSpans", 0) === 0 ? REC_TYPE_ACTIVE
+ : line.lastIndexOf("debugShowTs", 0) === 0 ? REC_TYPE_COIN
+ : line.lastIndexOf("debugShow", 0) === 0 ? REC_TYPE_SECT
+ : line.lastIndexOf("activeOp", 0) === 0 ? REC_TYPE_ACTIVE_OP
+ : line.lastIndexOf("computed", 0) === 0 ? REC_TYPE_COMPUTED
+ : line.lastIndexOf("debugOne", 0) === 0 ? REC_TYPE_SORT
+ : line.lastIndexOf("dumpOne", 0) === 0 ? REC_TYPE_SORT
+ : line.lastIndexOf("pathB.", 0) === 0 ? REC_TYPE_ADD
+ : line.lastIndexOf("path.", 0) === 0 ? REC_TYPE_ADD
+ : line.lastIndexOf("after", 0) === 0 ? REC_TYPE_ANGLE
+ : line.lastIndexOf("mark", 0) === 0 ? REC_TYPE_MARK
+ : line.lastIndexOf(" {{", 0) === 0 ? REC_TYPE_COMPUTED
+ : line.lastIndexOf("{{", 0) === 0 ? REC_TYPE_PATH
+ : line.lastIndexOf("op", 0) === 0 ? REC_TYPE_OP
+ : line.lastIndexOf("$", 0) === 0 ? REC_TYPE_PATH
+ : REC_TYPE_UNKNOWN;
+ if (recType != type || recType == REC_TYPE_ADD || recType == REC_TYPE_SECT
+ || recType == REC_TYPE_ACTIVE_OP || recType == REC_TYPE_ANGLE) {
+ if (recType != REC_TYPE_UNKNOWN) {
+ records.push(recType);
+ records.push(lastLineNo);
+ records.push(record);
+ }
+ record = [];
+ recType = type;
+ lastLineNo = lineNo;
+ }
+ var found = false;
+ switch (recType) {
+ case REC_TYPE_ACTIVE:
+ found = match_regexp(line, lineNo, record, ACTIVE_LINE_SPAN, "debugShowActiveSpans" +
+" id=IDX LINE_VAL t=T_VAL PT_VAL tEnd=T_VAL other=IDX otherT=T_VAL otherIndex=IDX windSum=OPT windValue=IDX oppValue=NUM"
+ ) || match_regexp(line, lineNo, record, ACTIVE_QUAD_SPAN, "debugShowActiveSpans" +
+" id=IDX QUAD_VAL t=T_VAL PT_VAL tEnd=T_VAL other=IDX otherT=T_VAL otherIndex=IDX windSum=OPT windValue=IDX oppValue=NUM"
+ ) || match_regexp(line, lineNo, record, ACTIVE_CUBIC_SPAN, "debugShowActiveSpans" +
+" id=IDX CUBIC_VAL t=T_VAL PT_VAL tEnd=T_VAL other=IDX otherT=T_VAL otherIndex=IDX windSum=OPT windValue=IDX oppValue=NUM"
+ );
+ break;
+ case REC_TYPE_ACTIVE_OP:
+ found = match_regexp(line, lineNo, record, ACTIVE_OP, "activeOp" +
+" id=IDX t=T_VAL tEnd=T_VAL op=OPER miFrom=NUM miTo=NUM suFrom=NUM suTo=NUM result=IDX"
+ );
+ break;
+ case REC_TYPE_ADD:
+ if (match_regexp(line, lineNo, record, ADD_MOVETO, "PATH.moveTo(P_VAL);")) {
+ moveX = record[1][0];
+ moveY = record[1][1];
+ found = true;
+ } else if (match_regexp(line, lineNo, record, ADD_LINETO, "PATH.lineTo(P_VAL);")) {
+ record[1].unshift(moveY);
+ record[1].unshift(moveX);
+ moveX = record[1][2];
+ moveY = record[1][3];
+ found = true;
+ } else if (match_regexp(line, lineNo, record, ADD_QUADTO, "PATH.quadTo(P_VAL, P_VAL);")) {
+ record[1].unshift(moveY);
+ record[1].unshift(moveX);
+ moveX = record[1][4];
+ moveY = record[1][5];
+ found = true;
+ } else if (match_regexp(line, lineNo, record, ADD_CUBICTO, "PATH.cubicTo(P_VAL, P_VAL, P_VAL);")) {
+ record[1].unshift(moveY);
+ record[1].unshift(moveX);
+ moveX = record[1][6];
+ moveY = record[1][7];
+ found = true;
+ } else if (match_regexp(line, lineNo, record, ADD_FILL, "PATH.setFillType(FILL_TYPE);")) {
+ found = true;
+ } else {
+ found = match_regexp(line, lineNo, record, ADD_CLOSE, "PATH.close();");
+ }
+ break;
+ case REC_TYPE_ANGLE:
+ found = match_regexp(line, lineNo, record, ANGLE_AFTER, "after " +
+"id=IDX IDX/IDX tStart=T_VAL tEnd=T_VAL < id=IDX IDX/IDX tStart=T_VAL tEnd=T_VAL < id=IDX IDX/IDX tStart=T_VAL tEnd=T_VAL T_F IDX");
+ if (found) {
+ break;
+ }
+ found = match_regexp(line, lineNo, record, ANGLE_AFTER2, "after " +
+"[IDX/IDX] NUM/NUM tStart=T_VAL tEnd=T_VAL < [IDX/IDX] NUM/NUM tStart=T_VAL tEnd=T_VAL < [IDX/IDX] NUM/NUM tStart=T_VAL tEnd=T_VAL T_F IDX");
+ break;
+ case REC_TYPE_COIN:
+ found = true;
+ break;
+ case REC_TYPE_COMPUTED:
+ found = line == "computed quadratics given"
+ || match_regexp(line, lineNo, record, COMPUTED_SET_1, "computed quadratics set 1"
+ ) || match_regexp(line, lineNo, record, COMPUTED_SET_2, "computed quadratics set 2"
+ ) || match_regexp(line, lineNo, record, PATH_QUAD, " QUAD_VAL,"
+ ) || match_regexp(line, lineNo, record, PATH_CUBIC, " CUBIC_VAL,"
+ );
+ break;
+ case REC_TYPE_PATH:
+ found = match_regexp(line, lineNo, record, PATH_LINE, "LINE_VAL"
+ ) || match_regexp(line, lineNo, record, PATH_QUAD, "QUAD_VAL"
+ ) || match_regexp(line, lineNo, record, PATH_CUBIC, "CUBIC_VAL"
+ );
+ break;
+ case REC_TYPE_SECT:
+ found = match_regexp(line, lineNo, record, INTERSECT_LINE, "debugShowLineIntersection" +
+" wtTs[0]=T_VAL LINE_VAL PT_VAL wnTs[0]=T_VAL LINE_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_LINE_2, "debugShowLineIntersection" +
+" wtTs[0]=T_VAL LINE_VAL PT_VAL wtTs[1]=T_VAL PT_VAL wnTs[0]=T_VAL LINE_VAL wnTs[1]=T_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_LINE_NO, "debugShowLineIntersection" +
+" no intersect LINE_VAL LINE_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_QUAD_LINE, "debugShowQuadLineIntersection" +
+" wtTs[0]=T_VAL QUAD_VAL PT_VAL wnTs[0]=T_VAL LINE_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_QUAD_LINE_2, "debugShowQuadLineIntersection" +
+" wtTs[0]=T_VAL QUAD_VAL PT_VAL wtTs[1]=T_VAL PT_VAL wnTs[0]=T_VAL LINE_VAL wnTs[1]=T_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_QUAD_LINE_NO, "debugShowQuadLineIntersection" +
+" no intersect QUAD_VAL LINE_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_QUAD, "debugShowQuadIntersection" +
+" wtTs[0]=T_VAL QUAD_VAL PT_VAL wnTs[0]=T_VAL QUAD_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_QUAD_2, "debugShowQuadIntersection" +
+" wtTs[0]=T_VAL QUAD_VAL PT_VAL wtTs[1]=T_VAL PT_VAL wnTs[0]=T_VAL QUAD_VAL wnTs[1]=T_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_QUAD_NO, "debugShowQuadIntersection" +
+" no intersect QUAD_VAL QUAD_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_CUBIC_LINE, "debugShowCubicLineIntersection" +
+" wtTs[0]=T_VAL CUBIC_VAL PT_VAL wnTs[0]=T_VAL LINE_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_CUBIC_LINE_2, "debugShowCubicLineIntersection" +
+" wtTs[0]=T_VAL CUBIC_VAL PT_VAL wtTs[1]=T_VAL PT_VAL wnTs[0]=T_VAL LINE_VAL wnTs[1]=T_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_CUBIC_LINE_3, "debugShowCubicLineIntersection" +
+" wtTs[0]=T_VAL CUBIC_VAL PT_VAL wtTs[1]=T_VAL PT_VAL wtTs[2]=T_VAL PT_VAL wnTs[0]=T_VAL LINE_VAL wnTs[1]=T_VAL wnTs[2]=T_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_CUBIC_LINE_NO, "debugShowCubicLineIntersection" +
+" no intersect CUBIC_VAL LINE_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_CUBIC_QUAD, "debugShowCubicQuadIntersection" +
+" wtTs[0]=T_VAL CUBIC_VAL PT_VAL wnTs[0]=T_VAL QUAD_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_CUBIC_QUAD_2, "debugShowCubicQuadIntersection" +
+" wtTs[0]=T_VAL CUBIC_VAL PT_VAL wtTs[1]=T_VAL PT_VAL wnTs[0]=T_VAL QUAD_VAL wnTs[1]=T_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_CUBIC_QUAD_3, "debugShowCubicQuadIntersection" +
+" wtTs[0]=T_VAL CUBIC_VAL PT_VAL wtTs[1]=T_VAL PT_VAL wtTs[2]=T_VAL PT_VAL wnTs[0]=T_VAL QUAD_VAL wnTs[1]=T_VAL wnTs[2]=T_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_CUBIC_QUAD_4, "debugShowCubicQuadIntersection" +
+" wtTs[0]=T_VAL CUBIC_VAL PT_VAL wtTs[1]=T_VAL PT_VAL wtTs[2]=T_VAL wtTs[3]=T_VAL PT_VAL wnTs[0]=T_VAL QUAD_VAL wnTs[1]=T_VAL wnTs[2]=T_VAL wnTs[3]=T_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_CUBIC_QUAD_NO, "debugShowCubicQuadIntersection" +
+" no intersect CUBIC_VAL QUAD_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_CUBIC, "debugShowCubicIntersection" +
+" wtTs[0]=T_VAL CUBIC_VAL PT_VAL wnTs[0]=T_VAL CUBIC_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_CUBIC_2, "debugShowCubicIntersection" +
+" wtTs[0]=T_VAL CUBIC_VAL PT_VAL wtTs[1]=T_VAL PT_VAL wnTs[0]=T_VAL CUBIC_VAL wnTs[1]=T_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_CUBIC_3, "debugShowCubicIntersection" +
+" wtTs[0]=T_VAL CUBIC_VAL PT_VAL wtTs[1]=T_VAL PT_VAL wtTs[2]=T_VAL PT_VAL wnTs[0]=T_VAL CUBIC_VAL wnTs[1]=T_VAL wnTs[2]=T_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_CUBIC_4, "debugShowCubicIntersection" +
+" wtTs[0]=T_VAL CUBIC_VAL PT_VAL wtTs[1]=T_VAL PT_VAL wtTs[2]=T_VAL PT_VAL wtTs[3]=T_VAL PT_VAL wnTs[0]=T_VAL CUBIC_VAL wnTs[1]=T_VAL wnTs[2]=T_VAL wnTs[3]=T_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_CUBIC_NO, "debugShowCubicIntersection" +
+" no intersect CUBIC_VAL CUBIC_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_SELF_CUBIC, "debugShowCubicIntersection" +
+" wtTs[0]=T_VAL CUBIC_VAL PT_VAL wtTs[1]=T_VAL"
+ ) || match_regexp(line, lineNo, record, INTERSECT_SELF_CUBIC_NO, "debugShowCubicIntersection" +
+" no self intersect CUBIC_VAL"
+ );
+ break;
+ case REC_TYPE_SORT:
+ var hasDone = / done/.test(line);
+ var hasUnorderable = / unorderable/.test(line);
+ var hasSmall = / small/.test(line);
+ var hasTiny = / tiny/.test(line);
+ var hasOperand = / operand/.test(line);
+ var hasStop = / stop/.test(line);
+ line.replace(/[ a-z]+$/, "");
+ found = match_regexp(line, lineNo, record, SORT_UNARY, "debugOne" +
+" [IDX/IDX] next=IDX/IDX sect=IDX/IDX s=T_VAL [IDX] e=T_VAL [IDX] sgn=NUM windVal=IDX windSum=OPT"
+ ) || match_regexp(line, lineNo, record, SORT_BINARY, "debugOne" +
+" [IDX/IDX] next=IDX/IDX sect=IDX/IDX s=T_VAL [IDX] e=T_VAL [IDX] sgn=NUM windVal=IDX windSum=OPT oppVal=IDX oppSum=OPT"
+ ) || match_regexp(line, lineNo, record, SORT_UNARY, "dumpOne" +
+" [IDX/IDX] next=IDX/IDX sect=NUM/NUM s=T_VAL [IDX] e=T_VAL [IDX] sgn=NUM windVal=IDX windSum=OPT"
+ ) || match_regexp(line, lineNo, record, SORT_BINARY, "dumpOne" +
+" [IDX/IDX] next=IDX/IDX sect=NUM/NUM s=T_VAL [IDX] e=T_VAL [IDX] sgn=NUM windVal=IDX windSum=OPT oppVal=IDX oppSum=OPT"
+ );
+ if (found) {
+ record[1].push(hasDone);
+ record[1].push(hasUnorderable);
+ record[1].push(hasSmall);
+ record[1].push(hasTiny);
+ record[1].push(hasOperand);
+ record[1].push(hasStop);
+ }
+ break;
+ case REC_TYPE_MARK:
+ found = match_regexp(line, lineNo, record, MARK_LINE, "markWinding" +
+" id=IDX LINE_VAL t=T_VAL [IDX] PT_VAL tEnd=T_VAL newWindSum=NUM newOppSum=NUM oppSum=OPT windSum=OPT windValue=IDX"
+ ) || match_regexp(line, lineNo, record, MARK_QUAD, "markWinding" +
+" id=IDX QUAD_VAL t=T_VAL [IDX] PT_VAL tEnd=T_VAL newWindSum=NUM newOppSum=NUM oppSum=OPT windSum=OPT windValue=IDX"
+ ) || match_regexp(line, lineNo, record, MARK_CUBIC, "markWinding" +
+" id=IDX CUBIC_VAL t=T_VAL [IDX] PT_VAL tEnd=T_VAL newWindSum=NUM newOppSum=NUM oppSum=OPT windSum=OPT windValue=IDX"
+ ) || match_regexp(line, lineNo, record, MARK_DONE_LINE, "markDoneBinary" +
+" id=IDX LINE_VAL t=T_VAL [IDX] PT_VAL tEnd=T_VAL newWindSum=NUM newOppSum=NUM oppSum=OPT windSum=OPT windValue=IDX"
+ ) || match_regexp(line, lineNo, record, MARK_DONE_QUAD, "markDoneBinary" +
+" id=IDX QUAD_VAL t=T_VAL [IDX] PT_VAL tEnd=T_VAL newWindSum=NUM newOppSum=NUM oppSum=OPT windSum=OPT windValue=IDX"
+ ) || match_regexp(line, lineNo, record, MARK_DONE_CUBIC, "markDoneBinary" +
+" id=IDX CUBIC_VAL t=T_VAL [IDX] PT_VAL tEnd=T_VAL newWindSum=NUM newOppSum=NUM oppSum=OPT windSum=OPT windValue=IDX"
+ ) || match_regexp(line, lineNo, record, MARK_UNSORTABLE_LINE, "markUnsortable" +
+" id=IDX LINE_VAL t=T_VAL [IDX] PT_VAL tEnd=T_VAL newWindSum=NUM windSum=OPT windValue=IDX"
+ ) || match_regexp(line, lineNo, record, MARK_UNSORTABLE_QUAD, "markUnsortable" +
+" id=IDX QUAD_VAL t=T_VAL [IDX] PT_VAL tEnd=T_VAL newWindSum=NUM windSum=OPT windValue=IDX"
+ ) || match_regexp(line, lineNo, record, MARK_UNSORTABLE_CUBIC, "markUnsortable" +
+" id=IDX CUBIC_VAL t=T_VAL [IDX] PT_VAL tEnd=T_VAL newWindSum=NUM windSum=OPT windValue=IDX"
+ ) || match_regexp(line, lineNo, record, MARK_SIMPLE_LINE, "markWinding" +
+" id=IDX LINE_VAL t=T_VAL [IDX] PT_VAL tEnd=T_VAL newWindSum=NUM windSum=OPT windValue=IDX"
+ ) || match_regexp(line, lineNo, record, MARK_SIMPLE_QUAD, "markWinding" +
+" id=IDX QUAD_VAL t=T_VAL [IDX] PT_VAL tEnd=T_VAL newWindSum=NUM windSum=OPT windValue=IDX"
+ ) || match_regexp(line, lineNo, record, MARK_SIMPLE_CUBIC, "markWinding" +
+" id=IDX CUBIC_VAL t=T_VAL [IDX] PT_VAL tEnd=T_VAL newWindSum=NUM windSum=OPT windValue=IDX"
+ ) || match_regexp(line, lineNo, record, MARK_SIMPLE_DONE_LINE, "markDone" +
+" id=IDX LINE_VAL t=T_VAL [IDX] PT_VAL tEnd=T_VAL newWindSum=NUM windSum=OPT windValue=IDX"
+ ) || match_regexp(line, lineNo, record, MARK_SIMPLE_DONE_QUAD, "markDone" +
+" id=IDX QUAD_VAL t=T_VAL [IDX] PT_VAL tEnd=T_VAL newWindSum=NUM windSum=OPT windValue=IDX"
+ ) || match_regexp(line, lineNo, record, MARK_SIMPLE_DONE_CUBIC, "markDone" +
+" id=IDX CUBIC_VAL t=T_VAL [IDX] PT_VAL tEnd=T_VAL newWindSum=NUM windSum=OPT windValue=IDX"
+ ) || match_regexp(line, lineNo, record, MARK_DONE_UNARY_LINE, "markDoneUnary" +
+" id=IDX LINE_VAL t=T_VAL [IDX] PT_VAL tEnd=T_VAL newWindSum=NUM windSum=OPT windValue=IDX"
+ ) || match_regexp(line, lineNo, record, MARK_DONE_UNARY_QUAD, "markDoneUnary" +
+" id=IDX QUAD_VAL t=T_VAL [IDX] PT_VAL tEnd=T_VAL newWindSum=NUM windSum=OPT windValue=IDX"
+ ) || match_regexp(line, lineNo, record, MARK_DONE_UNARY_CUBIC, "markDoneUnary" +
+" id=IDX CUBIC_VAL t=T_VAL [IDX] PT_VAL tEnd=T_VAL newWindSum=NUM windSum=OPT windValue=IDX"
+ ) || match_regexp(line, lineNo, record, MARK_ANGLE_LAST, "markAngle" +
+" last id=IDX windSum=OPT small=IDX");
+ break;
+ case REC_TYPE_OP:
+ if (line.lastIndexOf("oppSign oppSign=", 0) === 0
+ || line.lastIndexOf("operator<", 0) === 0) {
+ found = true;
+ break;
+ }
+ found = match_regexp(line, lineNo, record, OP_DIFFERENCE, "op difference"
+ ) || match_regexp(line, lineNo, record, OP_INTERSECT, "op intersect"
+ ) || match_regexp(line, lineNo, record, OP_UNION, "op union"
+ ) || match_regexp(line, lineNo, record, OP_XOR, "op xor"
+ );
+ break;
+ case REC_TYPE_UNKNOWN:
+ found = true;
+ break;
+ }
+ if (!found) {
+ console.log(line + " [" + lineNo + "] of type " + type + " not found");
+ }
+ }
+ if (recType != REC_TYPE_UNKNOWN) {
+ records.push(recType);
+ records.push(lastLineNo);
+ records.push(record);
+ }
+ if (records.length >= 1) {
+ tests[testIndex] = records;
+ testLines[testIndex] = lines;
+ }
+}
+
+function init(test) {
+ var canvas = document.getElementById('canvas');
+ if (!canvas.getContext) return;
+ ctx = canvas.getContext('2d');
+ var resScale = retina_scale && window.devicePixelRatio ? window.devicePixelRatio : 1;
+ var unscaledWidth = window.innerWidth - 20;
+ var unscaledHeight = window.innerHeight - 20;
+ screenWidth = unscaledWidth;
+ screenHeight = unscaledHeight;
+ canvas.width = unscaledWidth * resScale;
+ canvas.height = unscaledHeight * resScale;
+ canvas.style.width = unscaledWidth + 'px';
+ canvas.style.height = unscaledHeight + 'px';
+ if (resScale != 1) {
+ ctx.scale(resScale, resScale);
+ }
+ xmin = Infinity;
+ xmax = -Infinity;
+ ymin = Infinity;
+ ymax = -Infinity;
+ hasPath = hasComputedPath = false;
+ firstActiveSpan = -1;
+ for (var tIndex = 0; tIndex < test.length; tIndex += 3) {
+ var recType = test[tIndex];
+ if (!typeof recType == 'number' || recType < REC_TYPE_UNKNOWN || recType > REC_TYPE_LAST) {
+ console.log("unknown rec type: " + recType);
+ throw "stop execution";
+ }
+ var records = test[tIndex + 2];
+ for (var recordIndex = 0; recordIndex < records.length; recordIndex += 2) {
+ var fragType = records[recordIndex];
+ if (!typeof fragType == 'number' || fragType < 1 || fragType > FRAG_TYPE_LAST) {
+ console.log("unknown in range frag type: " + fragType);
+ throw "stop execution";
+ }
+ var frags = records[recordIndex + 1];
+ var first = 0;
+ var last = -1;
+ var first2 = 0;
+ var last2 = 0;
+ switch (recType) {
+ case REC_TYPE_COMPUTED:
+ if (fragType == COMPUTED_SET_1 || fragType == COMPUTED_SET_2) {
+ break;
+ }
+ hasComputedPath = true;
+ case REC_TYPE_PATH:
+ switch (fragType) {
+ case PATH_LINE:
+ last = 4;
+ break;
+ case PATH_QUAD:
+ last = 6;
+ break;
+ case PATH_CUBIC:
+ last = 8;
+ break;
+ default:
+ console.log("unknown " + (recType == REC_TYPE_PATH ? "REC_TYPE_PATH"
+ : "REC_TYPE_COMPUTED") + " frag type:" + fragType);
+ throw "stop execution";
+ }
+ if (recType == REC_TYPE_PATH) {
+ hasPath = true;
+ }
+ break;
+ case REC_TYPE_ACTIVE:
+ if (firstActiveSpan < 0) {
+ firstActiveSpan = tIndex;
+ }
+ first = 1;
+ switch (fragType) {
+ case ACTIVE_LINE_SPAN:
+ last = 5;
+ break;
+ case ACTIVE_QUAD_SPAN:
+ last = 7;
+ break;
+ case ACTIVE_CUBIC_SPAN:
+ last = 9;
+ break;
+ default:
+ console.log("unknown REC_TYPE_ACTIVE frag type: " + fragType);
+ throw "stop execution";
+ }
+ break;
+ case REC_TYPE_ADD:
+ switch (fragType) {
+ case ADD_MOVETO:
+ break;
+ case ADD_LINETO:
+ last = 4;
+ break;
+ case ADD_QUADTO:
+ last = 6;
+ break;
+ case ADD_CUBICTO:
+ last = 8;
+ break;
+ case ADD_CLOSE:
+ case ADD_FILL:
+ break;
+ default:
+ console.log("unknown REC_TYPE_ADD frag type: " + fragType);
+ throw "stop execution";
+ }
+ break;
+ case REC_TYPE_SECT:
+ switch (fragType) {
+ case INTERSECT_LINE:
+ first = 1; last = 5; first2 = 8; last2 = 12;
+ break;
+ case INTERSECT_LINE_2:
+ first = 1; last = 5; first2 = 11; last2 = 15;
+ break;
+ case INTERSECT_LINE_NO:
+ first = 0; last = 4; first2 = 4; last2 = 8;
+ break;
+ case INTERSECT_QUAD_LINE:
+ first = 1; last = 7; first2 = 10; last2 = 14;
+ break;
+ case INTERSECT_QUAD_LINE_2:
+ first = 1; last = 7; first2 = 13; last2 = 17;
+ break;
+ case INTERSECT_QUAD_LINE_NO:
+ first = 0; last = 6; first2 = 6; last2 = 10;
+ break;
+ case INTERSECT_QUAD:
+ first = 1; last = 7; first2 = 10; last2 = 16;
+ break;
+ case INTERSECT_QUAD_2:
+ first = 1; last = 7; first2 = 13; last2 = 19;
+ break;
+ case INTERSECT_QUAD_NO:
+ first = 0; last = 6; first2 = 6; last2 = 12;
+ break;
+ case INTERSECT_SELF_CUBIC:
+ first = 1; last = 9;
+ break;
+ case INTERSECT_SELF_CUBIC_NO:
+ first = 0; last = 8;
+ break;
+ case INTERSECT_CUBIC_LINE:
+ first = 1; last = 9; first2 = 12; last2 = 16;
+ break;
+ case INTERSECT_CUBIC_LINE_2:
+ first = 1; last = 9; first2 = 15; last2 = 19;
+ break;
+ case INTERSECT_CUBIC_LINE_3:
+ first = 1; last = 9; first2 = 18; last2 = 22;
+ break;
+ case INTERSECT_CUBIC_LINE_NO:
+ first = 0; last = 8; first2 = 8; last2 = 12;
+ break;
+ case INTERSECT_CUBIC_QUAD:
+ first = 1; last = 9; first2 = 12; last2 = 18;
+ break;
+ case INTERSECT_CUBIC_QUAD_2:
+ first = 1; last = 9; first2 = 15; last2 = 21;
+ break;
+ case INTERSECT_CUBIC_QUAD_3:
+ first = 1; last = 9; first2 = 18; last2 = 24;
+ break;
+ case INTERSECT_CUBIC_QUAD_4:
+ first = 1; last = 9; first2 = 21; last2 = 27;
+ break;
+ case INTERSECT_CUBIC_QUAD_NO:
+ first = 0; last = 8; first2 = 8; last2 = 14;
+ break;
+ case INTERSECT_CUBIC:
+ first = 1; last = 9; first2 = 12; last2 = 20;
+ break;
+ case INTERSECT_CUBIC_2:
+ first = 1; last = 9; first2 = 15; last2 = 23;
+ break;
+ case INTERSECT_CUBIC_3:
+ first = 1; last = 9; first2 = 18; last2 = 26;
+ break;
+ case INTERSECT_CUBIC_4:
+ first = 1; last = 9; first2 = 21; last2 = 29;
+ break;
+ case INTERSECT_CUBIC_NO:
+ first = 0; last = 8; first2 = 8; last2 = 16;
+ break;
+ default:
+ console.log("unknown REC_TYPE_SECT frag type: " + fragType);
+ throw "stop execution";
+ }
+ break;
+ default:
+ continue;
+ }
+ for (var idx = first; idx < last; idx += 2) {
+ xmin = Math.min(xmin, frags[idx]);
+ xmax = Math.max(xmax, frags[idx]);
+ ymin = Math.min(ymin, frags[idx + 1]);
+ ymax = Math.max(ymax, frags[idx + 1]);
+ }
+ for (var idx = first2; idx < last2; idx += 2) {
+ xmin = Math.min(xmin, frags[idx]);
+ xmax = Math.max(xmax, frags[idx]);
+ ymin = Math.min(ymin, frags[idx + 1]);
+ ymax = Math.max(ymax, frags[idx + 1]);
+ }
+ }
+ }
+ var angleBounds = [Infinity, Infinity, -Infinity, -Infinity];
+ for (var tIndex = 0; tIndex < test.length; tIndex += 3) {
+ var recType = test[tIndex];
+ var records = test[tIndex + 2];
+ for (var recordIndex = 0; recordIndex < records.length; recordIndex += 2) {
+ var fragType = records[recordIndex];
+ var frags = records[recordIndex + 1];
+ switch (recType) {
+ case REC_TYPE_ACTIVE_OP:
+ if (!draw_op) {
+ break;
+ }
+ {
+ var curve = curvePartialByID(test, frags[0], frags[1], frags[2]);
+ curve_extremes(curve, angleBounds);
+ }
+ break;
+ case REC_TYPE_ANGLE:
+ if (!draw_angle) {
+ break;
+ }
+ if (fragType == ANGLE_AFTER) {
+ var curve = curvePartialByID(test, frags[0], frags[3], frags[4]);
+ curve_extremes(curve, angleBounds);
+ curve = curvePartialByID(test, frags[5], frags[8], frags[9]);
+ curve_extremes(curve, angleBounds);
+ curve = curvePartialByID(test, frags[10], frags[13], frags[14]);
+ } else if (fragType == ANGLE_AFTER2) {
+ var curve = curvePartialByID(test, frags[0], frags[4], frags[5]);
+ curve_extremes(curve, angleBounds);
+ curve = curvePartialByID(test, frags[6], frags[10], frags[11]);
+ curve_extremes(curve, angleBounds);
+ curve = curvePartialByID(test, frags[12], frags[16], frags[17]);
+ }
+ break;
+ case REC_TYPE_SORT:
+ if (!draw_sort) {
+ break;
+ }
+ if (fragType == SORT_UNARY || fragType == SORT_BINARY) {
+ var curve = curvePartialByID(test, frags[0], frags[6], frags[8]);
+ curve_extremes(curve, angleBounds);
+ }
+ break;
+ }
+ }
+ }
+ xmin = Math.min(xmin, angleBounds[0]);
+ ymin = Math.min(ymin, angleBounds[1]);
+ xmax = Math.max(xmax, angleBounds[2]);
+ ymax = Math.max(ymax, angleBounds[3]);
+ setScale(xmin, xmax, ymin, ymax);
+ if (hasPath == false && hasComputedPath == true && !draw_computed) {
+ draw_computed = 3; // show both quadratics and cubics
+ }
+ if (hasPath == true && hasComputedPath == false && draw_computed) {
+ draw_computed = 0;
+ }
+}
+
+function curveByID(test, id) {
+ var tIndex = firstActiveSpan;
+ if (tIndex < 0) {
+ return [];
+ }
+ while (tIndex < test.length) {
+ var recType = test[tIndex];
+ if (recType != REC_TYPE_ACTIVE) {
+ return [];
+ }
+ var records = test[tIndex + 2];
+ for (var recordIndex = 0; recordIndex < records.length; recordIndex += 2) {
+ var fragType = records[recordIndex];
+ var frags = records[recordIndex + 1];
+ if (frags[0] == id) {
+ switch (fragType) {
+ case ACTIVE_LINE_SPAN:
+ return [frags[1], frags[2], frags[3], frags[4]];
+ case ACTIVE_QUAD_SPAN:
+ return [frags[1], frags[2], frags[3], frags[4],
+ frags[5], frags[6]];
+ case ACTIVE_CUBIC_SPAN:
+ return [frags[1], frags[2], frags[3], frags[4],
+ frags[5], frags[6], frags[7], frags[8]];
+ }
+ }
+ }
+ tIndex += 3;
+ }
+ return [];
+}
+
+function curvePartialByID(test, id, t0, t1) {
+ var tIndex = firstActiveSpan;
+ if (tIndex < 0) {
+ return [];
+ }
+ while (tIndex < test.length) {
+ var recType = test[tIndex];
+ if (recType != REC_TYPE_ACTIVE) {
+ return [];
+ }
+ var records = test[tIndex + 2];
+ for (var recordIndex = 0; recordIndex < records.length; recordIndex += 2) {
+ var fragType = records[recordIndex];
+ var frags = records[recordIndex + 1];
+ if (frags[0] == id) {
+ switch (fragType) {
+ case ACTIVE_LINE_SPAN:
+ return linePartial(frags[1], frags[2], frags[3], frags[4], t0, t1);
+ case ACTIVE_QUAD_SPAN:
+ return quadPartial(frags[1], frags[2], frags[3], frags[4],
+ frags[5], frags[6], t0, t1);
+ case ACTIVE_CUBIC_SPAN:
+ return cubicPartial(frags[1], frags[2], frags[3], frags[4],
+ frags[5], frags[6], frags[7], frags[8], t0, t1);
+ }
+ }
+ }
+ tIndex += 3;
+ }
+ return [];
+}
+
+function idByCurve(test, frag, type) {
+ var tIndex = firstActiveSpan;
+ if (tIndex < 0) {
+ return -1;
+ }
+ while (tIndex < test.length) {
+ var recType = test[tIndex];
+ if (recType != REC_TYPE_ACTIVE) {
+ return -1;
+ }
+ var records = test[tIndex + 2];
+ for (var recordIndex = 0; recordIndex < records.length; recordIndex += 2) {
+ var fragType = records[recordIndex];
+ var frags = records[recordIndex + 1];
+ switch (fragType) {
+ case ACTIVE_LINE_SPAN:
+ if (type != PATH_LINE) {
+ continue;
+ }
+ if (frag[0] != frags[1] || frag[1] != frags[2]
+ || frag[2] != frags[3] || frag[3] != frags[4]) {
+ continue;
+ }
+ return frags[0];
+ case ACTIVE_QUAD_SPAN:
+ if (type != PATH_QUAD) {
+ continue;
+ }
+ if (frag[0] != frags[1] || frag[1] != frags[2]
+ || frag[2] != frags[3] || frag[3] != frags[4]
+ || frag[4] != frags[5] || frag[5] != frags[6]) {
+ continue;
+ }
+ return frags[0];
+ case ACTIVE_CUBIC_SPAN:
+ if (type != PATH_CUBIC) {
+ continue;
+ }
+ if (frag[0] != frags[1] || frag[1] != frags[2]
+ || frag[2] != frags[3] || frag[3] != frags[4]
+ || frag[4] != frags[5] || frag[5] != frags[6]
+ || frag[6] != frags[7] || frag[7] != frags[8]) {
+ continue;
+ }
+ return frags[0];
+ }
+ }
+ ++tIndex;
+ }
+ return -1;
+}
+
+function curve_extremes(curve, bounds) {
+ for (var index = 0; index < curve.length; index += 2) {
+ var x = curve[index];
+ var y = curve[index + 1];
+ bounds[0] = Math.min(bounds[0], x);
+ bounds[1] = Math.min(bounds[1], y);
+ bounds[2] = Math.max(bounds[2], x);
+ bounds[3] = Math.max(bounds[3], y);
+ }
+}
+
+function setScale(x0, x1, y0, y1) {
+ var srcWidth = x1 - x0;
+ var srcHeight = y1 - y0;
+ var usableWidth = screenWidth;
+ var xDigits = Math.ceil(Math.log(Math.abs(xmax)) / Math.log(10));
+ var yDigits = Math.ceil(Math.log(Math.abs(ymax)) / Math.log(10));
+ usableWidth -= (xDigits + yDigits) * 10;
+ usableWidth -= decimal_places * 10;
+ if (draw_legend) {
+ usableWidth -= 40;
+ }
+ var hscale = usableWidth / srcWidth;
+ var vscale = screenHeight / srcHeight;
+ scale = Math.min(hscale, vscale);
+ var invScale = 1 / scale;
+ var sxmin = x0 - invScale * 5;
+ var symin = y0 - invScale * 10;
+ var sxmax = x1 + invScale * (6 * decimal_places + 10);
+ var symax = y1 + invScale * 10;
+ srcWidth = sxmax - sxmin;
+ srcHeight = symax - symin;
+ hscale = usableWidth / srcWidth;
+ vscale = screenHeight / srcHeight;
+ scale = Math.min(hscale, vscale);
+ srcLeft = sxmin;
+ srcTop = symin;
+}
+
+function drawArc(curve, op, from, to) {
+ var type = PATH_LINE + (curve.length / 2 - 2);
+ var pt = pointAtT(curve, type, op ? 0.4 : 0.6);
+ var dy = pt.y - curve[1];
+ var dx = pt.x - curve[0];
+ var dist = Math.sqrt(dy * dy + dx * dx);
+ var _dist = dist * scale;
+ var angle = Math.atan2(dy, dx);
+ var _px = (curve[0] - srcLeft) * scale;
+ var _py = (curve[1] - srcTop) * scale;
+ var divisor = 4;
+ var endDist;
+ do {
+ var ends = [];
+ for (var index = -1; index <= 1; index += 2) {
+ var px = Math.cos(index * Math.PI / divisor);
+ var py = Math.sin(index * Math.PI / divisor);
+ ends.push(px);
+ ends.push(py);
+ }
+ var endDx = (ends[2] - ends[0]) * scale * dist;
+ var endDy = (ends[3] - ends[1]) * scale * dist;
+ endDist = Math.sqrt(endDx * endDx + endDy * endDy);
+ if (endDist < 100) {
+ break;
+ }
+ divisor *= 2;
+ } while (true);
+ if (endDist < 30) {
+ return;
+ }
+ if (op) {
+ divisor *= 2;
+ }
+ ctx.strokeStyle = op ? "rgba(210,0,45, 0.4)" : "rgba(90,90,90, 0.5)";
+ ctx.beginPath();
+ ctx.arc(_px, _py, _dist, angle - Math.PI / divisor, angle + Math.PI / divisor, false);
+ ctx.stroke();
+ var saveAlign = ctx.textAlign;
+ var saveStyle = ctx.fillStyle;
+ var saveFont = ctx.font;
+ ctx.textAlign = "center";
+ ctx.fillStyle = "black";
+ ctx.font = "normal 24px Arial";
+ divisor *= 0.8;
+ for (var index = -1; index <= 1; index += 2) {
+ var px = curve[0] + Math.cos(angle + index * Math.PI / divisor) * dist;
+ var py = curve[1] + Math.sin(angle + index * Math.PI / divisor) * dist;
+ var _px = (px - srcLeft) * scale;
+ var _py = (py - srcTop) * scale;
+ ctx.fillText(index < 0 ? to.toString() : from.toString(), _px, _py + 8);
+ }
+ ctx.textAlign = saveAlign;
+ ctx.fillStyle = saveStyle;
+ ctx.font = saveFont;
+}
+
+function drawPoint(px, py, end) {
+ for (var pts = 0; pts < drawnPts.length; pts += 2) {
+ var x = drawnPts[pts];
+ var y = drawnPts[pts + 1];
+ if (px == x && py == y) {
+ return;
+ }
+ }
+ drawnPts.push(px);
+ drawnPts.push(py);
+ var label = px.toFixed(decimal_places) + ", " + py.toFixed(decimal_places);
+ var _px = (px - srcLeft) * scale;
+ var _py = (py - srcTop) * scale;
+ ctx.beginPath();
+ ctx.arc(_px, _py, 3, 0, Math.PI*2, true);
+ ctx.closePath();
+ if (end) {
+ ctx.fill();
+ } else {
+ ctx.stroke();
+ }
+ if (debug_xy) {
+ ctx.textAlign = "left";
+ ctx.fillText(label, _px + 5, _py);
+ }
+}
+
+function drawPoints(ptArray, curveType, drawControls) {
+ var count = (curveType - PATH_LINE + 2) * 2;
+ for (var idx = 0; idx < count; idx += 2) {
+ if (!drawControls && idx != 0 && idx != count - 2) {
+ continue;
+ }
+ drawPoint(ptArray[idx], ptArray[idx + 1], idx == 0 || idx == count - 2);
+ }
+}
+
+function drawControlLines(curve, curveType, drawEnd) {
+ if (curveType == PATH_LINE) {
+ return;
+ }
+ ctx.strokeStyle = "rgba(0,0,0, 0.3)";
+ drawLine(curve[0], curve[1], curve[2], curve[3]);
+ drawLine(curve[2], curve[3], curve[4], curve[5]);
+ if (curveType == PATH_CUBIC) {
+ drawLine(curve[4], curve[5], curve[6], curve[7]);
+ if (drawEnd > 1) {
+ drawLine(curve[6], curve[7], curve[0], curve[1]);
+ if (drawEnd > 2) {
+ drawLine(curve[0], curve[1], curve[4], curve[5]);
+ drawLine(curve[6], curve[7], curve[2], curve[3]);
+ }
+ }
+ } else if (drawEnd > 1) {
+ drawLine(curve[4], curve[5], curve[0], curve[1]);
+ }
+}
+
+function pointAtT(curve, curveType, t) {
+ var xy = {};
+ switch (curveType) {
+ case PATH_LINE:
+ var a = 1 - t;
+ var b = t;
+ xy.x = a * curve[0] + b * curve[2];
+ xy.y = a * curve[1] + b * curve[3];
+ break;
+ case PATH_QUAD:
+ var one_t = 1 - t;
+ var a = one_t * one_t;
+ var b = 2 * one_t * t;
+ var c = t * t;
+ xy.x = a * curve[0] + b * curve[2] + c * curve[4];
+ xy.y = a * curve[1] + b * curve[3] + c * curve[5];
+ break;
+ case PATH_CUBIC:
+ var one_t = 1 - t;
+ var one_t2 = one_t * one_t;
+ var a = one_t2 * one_t;
+ var b = 3 * one_t2 * t;
+ var t2 = t * t;
+ var c = 3 * one_t * t2;
+ var d = t2 * t;
+ xy.x = a * curve[0] + b * curve[2] + c * curve[4] + d * curve[6];
+ xy.y = a * curve[1] + b * curve[3] + c * curve[5] + d * curve[7];
+ break;
+ }
+ return xy;
+}
+
+function drawPointAtT(curve, curveType) {
+ var x, y;
+ var xy = pointAtT(curve, curveType, curveT);
+ drawPoint(xy.x, xy.y, true);
+ if (!draw_intersectT) {
+ return;
+ }
+ ctx.fillStyle = "red";
+ drawTAtPointUp(xy.x, xy.y, curveT);
+}
+
+function drawTAtPointUp(px, py, t) {
+ var label = t.toFixed(decimal_places);
+ var _px = (px - srcLeft)* scale;
+ var _py = (py - srcTop) * scale;
+ ctx.fillText(label, _px + 5, _py - 10);
+}
+
+function drawTAtPointDown(px, py, t) {
+ var label = t.toFixed(decimal_places);
+ var _px = (px - srcLeft)* scale;
+ var _py = (py - srcTop) * scale;
+ ctx.fillText(label, _px + 5, _py + 10);
+}
+
+function alreadyDrawnLine(x1, y1, x2, y2) {
+ if (collect_bounds) {
+ if (focus_enabled) {
+ focusXmin = Math.min(focusXmin, x1, x2);
+ focusYmin = Math.min(focusYmin, y1, y2);
+ focusXmax = Math.max(focusXmax, x1, x2);
+ focusYmax = Math.max(focusYmax, y1, y2);
+ }
+ return true;
+ }
+ for (var pts = 0; pts < drawnLines.length; pts += 4) {
+ if (x1 == drawnLines[pts] && y1 == drawnLines[pts + 1]
+ && x2 == drawnLines[pts + 2] && y2 == drawnLines[pts + 3]) {
+ return true;
+ }
+ }
+ drawnLines.push(x1);
+ drawnLines.push(y1);
+ drawnLines.push(x2);
+ drawnLines.push(y2);
+ return false;
+}
+
+function drawLine(x1, y1, x2, y2) {
+ if (alreadyDrawnLine(x1, y1, x2, y2)) {
+ return;
+ }
+ ctx.beginPath();
+ ctx.moveTo((x1 - srcLeft) * scale,
+ (y1 - srcTop) * scale);
+ ctx.lineTo((x2 - srcLeft) * scale,
+ (y2 - srcTop) * scale);
+ ctx.stroke();
+}
+
+function linePartial(x1, y1, x2, y2, t1, t2) {
+ var dx = x1 - x2;
+ var dy = y1 - y2;
+ var array = [
+ x1 - t1 * dx,
+ y1 - t1 * dy,
+ x1 - t2 * dx,
+ y1 - t2 * dy
+ ];
+ return array;
+}
+
+function drawLinePartial(x1, y1, x2, y2, t1, t2) {
+ var a = linePartial(x1, y1, x2, y2, t1, t2);
+ var ax = a[0];
+ var ay = a[1];
+ var bx = a[2];
+ var by = a[3];
+ if (alreadyDrawnLine(ax, ay, bx, by)) {
+ return;
+ }
+ ctx.beginPath();
+ ctx.moveTo((ax - srcLeft) * scale,
+ (ay - srcTop) * scale);
+ ctx.lineTo((bx - srcLeft) * scale,
+ (by - srcTop) * scale);
+ ctx.stroke();
+}
+
+function alreadyDrawnQuad(x1, y1, x2, y2, x3, y3) {
+ if (collect_bounds) {
+ if (focus_enabled) {
+ focusXmin = Math.min(focusXmin, x1, x2, x3);
+ focusYmin = Math.min(focusYmin, y1, y2, y3);
+ focusXmax = Math.max(focusXmax, x1, x2, x3);
+ focusYmax = Math.max(focusYmax, y1, y2, y3);
+ }
+ return true;
+ }
+ for (var pts = 0; pts < drawnQuads.length; pts += 6) {
+ if (x1 == drawnQuads[pts] && y1 == drawnQuads[pts + 1]
+ && x2 == drawnQuads[pts + 2] && y2 == drawnQuads[pts + 3]
+ && x3 == drawnQuads[pts + 4] && y3 == drawnQuads[pts + 5]) {
+ return true;
+ }
+ }
+ drawnQuads.push(x1);
+ drawnQuads.push(y1);
+ drawnQuads.push(x2);
+ drawnQuads.push(y2);
+ drawnQuads.push(x3);
+ drawnQuads.push(y3);
+ return false;
+}
+
+function drawQuad(x1, y1, x2, y2, x3, y3) {
+ if (alreadyDrawnQuad(x1, y1, x2, y2, x3, y3)) {
+ return;
+ }
+ ctx.beginPath();
+ ctx.moveTo((x1 - srcLeft) * scale,
+ (y1 - srcTop) * scale);
+ ctx.quadraticCurveTo((x2 - srcLeft) * scale,
+ (y2 - srcTop) * scale,
+ (x3 - srcLeft) * scale,
+ (y3 - srcTop) * scale);
+ ctx.stroke();
+}
+
+function interp(A, B, t) {
+ return A + (B - A) * t;
+}
+
+function interp_quad_coords(x1, x2, x3, t)
+{
+ var ab = interp(x1, x2, t);
+ var bc = interp(x2, x3, t);
+ var abc = interp(ab, bc, t);
+ return abc;
+}
+
+function quadPartial(x1, y1, x2, y2, x3, y3, t1, t2) {
+ var ax = interp_quad_coords(x1, x2, x3, t1);
+ var ay = interp_quad_coords(y1, y2, y3, t1);
+ var dx = interp_quad_coords(x1, x2, x3, (t1 + t2) / 2);
+ var dy = interp_quad_coords(y1, y2, y3, (t1 + t2) / 2);
+ var cx = interp_quad_coords(x1, x2, x3, t2);
+ var cy = interp_quad_coords(y1, y2, y3, t2);
+ var bx = 2*dx - (ax + cx)/2;
+ var by = 2*dy - (ay + cy)/2;
+ var array = [
+ ax, ay, bx, by, cx, cy
+ ];
+ return array;
+}
+
+function drawQuadPartial(x1, y1, x2, y2, x3, y3, t1, t2) {
+ var a = quadPartial(x1, y1, x2, y2, x3, y3, t1, t2);
+ var ax = a[0];
+ var ay = a[1];
+ var bx = a[2];
+ var by = a[3];
+ var cx = a[4];
+ var cy = a[5];
+ if (alreadyDrawnQuad(ax, ay, bx, by, cx, cy)) {
+ return;
+ }
+ ctx.beginPath();
+ ctx.moveTo((ax - srcLeft) * scale,
+ (ay - srcTop) * scale);
+ ctx.quadraticCurveTo((bx - srcLeft) * scale,
+ (by - srcTop) * scale,
+ (cx - srcLeft) * scale,
+ (cy - srcTop) * scale);
+ ctx.stroke();
+}
+
+function alreadyDrawnCubic(x1, y1, x2, y2, x3, y3, x4, y4) {
+ if (collect_bounds) {
+ if (focus_enabled) {
+ focusXmin = Math.min(focusXmin, x1, x2, x3, x4);
+ focusYmin = Math.min(focusYmin, y1, y2, y3, y4);
+ focusXmax = Math.max(focusXmax, x1, x2, x3, x4);
+ focusYmax = Math.max(focusYmax, y1, y2, y3, y4);
+ }
+ return true;
+ }
+ for (var pts = 0; pts < drawnCubics.length; pts += 8) {
+ if (x1 == drawnCubics[pts] && y1 == drawnCubics[pts + 1]
+ && x2 == drawnCubics[pts + 2] && y2 == drawnCubics[pts + 3]
+ && x3 == drawnCubics[pts + 4] && y3 == drawnCubics[pts + 5]
+ && x4 == drawnCubics[pts + 6] && y4 == drawnCubics[pts + 7]) {
+ return true;
+ }
+ }
+ drawnCubics.push(x1);
+ drawnCubics.push(y1);
+ drawnCubics.push(x2);
+ drawnCubics.push(y2);
+ drawnCubics.push(x3);
+ drawnCubics.push(y3);
+ drawnCubics.push(x4);
+ drawnCubics.push(y4);
+ return false;
+}
+
+function drawCubic(x1, y1, x2, y2, x3, y3, x4, y4) {
+ if (alreadyDrawnCubic(x1, y1, x2, y2, x3, y3, x4, y4)) {
+ return;
+ }
+ ctx.beginPath();
+ ctx.moveTo((x1 - srcLeft) * scale,
+ (y1 - srcTop) * scale);
+ ctx.bezierCurveTo((x2 - srcLeft) * scale,
+ (y2 - srcTop) * scale,
+ (x3 - srcLeft) * scale,
+ (y3 - srcTop) * scale,
+ (x4 - srcLeft) * scale,
+ (y4 - srcTop) * scale);
+ ctx.stroke();
+}
+
+function interp_cubic_coords(x1, x2, x3, x4, t)
+{
+ var ab = interp(x1, x2, t);
+ var bc = interp(x2, x3, t);
+ var cd = interp(x3, x4, t);
+ var abc = interp(ab, bc, t);
+ var bcd = interp(bc, cd, t);
+ var abcd = interp(abc, bcd, t);
+ return abcd;
+}
+
+function cubicPartial(x1, y1, x2, y2, x3, y3, x4, y4, t1, t2) {
+ var ax = interp_cubic_coords(x1, x2, x3, x4, t1);
+ var ay = interp_cubic_coords(y1, y2, y3, y4, t1);
+ var ex = interp_cubic_coords(x1, x2, x3, x4, (t1*2+t2)/3);
+ var ey = interp_cubic_coords(y1, y2, y3, y4, (t1*2+t2)/3);
+ var fx = interp_cubic_coords(x1, x2, x3, x4, (t1+t2*2)/3);
+ var fy = interp_cubic_coords(y1, y2, y3, y4, (t1+t2*2)/3);
+ var dx = interp_cubic_coords(x1, x2, x3, x4, t2);
+ var dy = interp_cubic_coords(y1, y2, y3, y4, t2);
+ var mx = ex * 27 - ax * 8 - dx;
+ var my = ey * 27 - ay * 8 - dy;
+ var nx = fx * 27 - ax - dx * 8;
+ var ny = fy * 27 - ay - dy * 8;
+ var bx = (mx * 2 - nx) / 18;
+ var by = (my * 2 - ny) / 18;
+ var cx = (nx * 2 - mx) / 18;
+ var cy = (ny * 2 - my) / 18;
+ var array = [
+ ax, ay, bx, by, cx, cy, dx, dy
+ ];
+ return array;
+}
+
+function drawCubicPartial(x1, y1, x2, y2, x3, y3, x4, y4, t1, t2) {
+ var a = cubicPartial(x1, y1, x2, y2, x3, y3, x4, y4, t1, t2);
+ var ax = a[0];
+ var ay = a[1];
+ var bx = a[2];
+ var by = a[3];
+ var cx = a[4];
+ var cy = a[5];
+ var dx = a[6];
+ var dy = a[7];
+ if (alreadyDrawnCubic(ax, ay, bx, by, cx, cy, dx, dy)) {
+ return;
+ }
+ ctx.beginPath();
+ ctx.moveTo((ax - srcLeft) * scale,
+ (ay - srcTop) * scale);
+ ctx.bezierCurveTo((bx - srcLeft) * scale,
+ (by - srcTop) * scale,
+ (cx - srcLeft) * scale,
+ (cy - srcTop) * scale,
+ (dx - srcLeft) * scale,
+ (dy - srcTop) * scale);
+ ctx.stroke();
+}
+
+function drawCurve(c) {
+ switch (c.length) {
+ case 4:
+ drawLine(c[0], c[1], c[2], c[3]);
+ break;
+ case 6:
+ drawQuad(c[0], c[1], c[2], c[3], c[4], c[5]);
+ break;
+ case 8:
+ drawCubic(c[0], c[1], c[2], c[3], c[4], c[5], c[6], c[7]);
+ break;
+ }
+}
+
+function boundsWidth(pts) {
+ var min = pts[0];
+ var max = pts[0];
+ for (var idx = 2; idx < pts.length; idx += 2) {
+ min = Math.min(min, pts[idx]);
+ max = Math.max(max, pts[idx]);
+ }
+ return max - min;
+}
+
+function boundsHeight(pts) {
+ var min = pts[1];
+ var max = pts[1];
+ for (var idx = 3; idx < pts.length; idx += 2) {
+ min = Math.min(min, pts[idx]);
+ max = Math.max(max, pts[idx]);
+ }
+ return max - min;
+}
+
+function tangent(pts) {
+ var dx = pts[2] - pts[0];
+ var dy = pts[3] - pts[1];
+ if (dx == 0 && dy == 0 && pts.length > 4) {
+ dx = pts[4] - pts[0];
+ dy = pts[5] - pts[1];
+ if (dx == 0 && dy == 0 && pts.length > 6) {
+ dx = pts[6] - pts[0];
+ dy = pts[7] - pts[1];
+ }
+ }
+ return Math.atan2(-dy, dx);
+}
+
+function hodograph(cubic) {
+ var hodo = [];
+ hodo[0] = 3 * (cubic[2] - cubic[0]);
+ hodo[1] = 3 * (cubic[3] - cubic[1]);
+ hodo[2] = 3 * (cubic[4] - cubic[2]);
+ hodo[3] = 3 * (cubic[5] - cubic[3]);
+ hodo[4] = 3 * (cubic[6] - cubic[4]);
+ hodo[5] = 3 * (cubic[7] - cubic[5]);
+ return hodo;
+}
+
+function hodograph2(cubic) {
+ var quad = hodograph(cubic);
+ var hodo = [];
+ hodo[0] = 2 * (quad[2] - quad[0]);
+ hodo[1] = 2 * (quad[3] - quad[1]);
+ hodo[2] = 2 * (quad[4] - quad[2]);
+ hodo[3] = 2 * (quad[5] - quad[3]);
+ return hodo;
+}
+
+function quadraticRootsReal(A, B, C, s) {
+ if (A == 0) {
+ if (B == 0) {
+ s[0] = 0;
+ return C == 0;
+ }
+ s[0] = -C / B;
+ return 1;
+ }
+ /* normal form: x^2 + px + q = 0 */
+ var p = B / (2 * A);
+ var q = C / A;
+ var p2 = p * p;
+ if (p2 < q) {
+ return 0;
+ }
+ var sqrt_D = 0;
+ if (p2 > q) {
+ sqrt_D = sqrt(p2 - q);
+ }
+ s[0] = sqrt_D - p;
+ s[1] = -sqrt_D - p;
+ return 1 + s[0] != s[1];
+}
+
+function add_valid_ts(s, realRoots, t) {
+ var foundRoots = 0;
+ for (var index = 0; index < realRoots; ++index) {
+ var tValue = s[index];
+ if (tValue >= 0 && tValue <= 1) {
+ for (var idx2 = 0; idx2 < foundRoots; ++idx2) {
+ if (t[idx2] != tValue) {
+ t[foundRoots++] = tValue;
+ }
+ }
+ }
+ }
+ return foundRoots;
+}
+
+function quadraticRootsValidT(a, b, c, t) {
+ var s = [];
+ var realRoots = quadraticRootsReal(A, B, C, s);
+ var foundRoots = add_valid_ts(s, realRoots, t);
+ return foundRoots != 0;
+}
+
+function find_cubic_inflections(cubic, tValues) {
+ var Ax = src[2] - src[0];
+ var Ay = src[3] - src[1];
+ var Bx = src[4] - 2 * src[2] + src[0];
+ var By = src[5] - 2 * src[3] + src[1];
+ var Cx = src[6] + 3 * (src[2] - src[4]) - src[0];
+ var Cy = src[7] + 3 * (src[3] - src[5]) - src[1];
+ return quadraticRootsValidT(Bx * Cy - By * Cx, (Ax * Cy - Ay * Cx),
+ Ax * By - Ay * Bx, tValues);
+}
+
+function dxy_at_t(curve, type, t) {
+ var dxy = {};
+ if (type == PATH_QUAD) {
+ var a = t - 1;
+ var b = 1 - 2 * t;
+ var c = t;
+ dxy.x = a * curve[0] + b * curve[2] + c * curve[4];
+ dxy.y = a * curve[1] + b * curve[3] + c * curve[5];
+ } else if (type == PATH_CUBIC) {
+ var one_t = 1 - t;
+ var a = curve[0];
+ var b = curve[2];
+ var c = curve[4];
+ var d = curve[6];
+ dxy.x = 3 * ((b - a) * one_t * one_t + 2 * (c - b) * t * one_t + (d - c) * t * t);
+ a = curve[1];
+ b = curve[3];
+ c = curve[5];
+ d = curve[7];
+ dxy.y = 3 * ((b - a) * one_t * one_t + 2 * (c - b) * t * one_t + (d - c) * t * t);
+ }
+ return dxy;
+}
+
+function drawLabel(num, px, py) {
+ ctx.beginPath();
+ ctx.arc(px, py, 8, 0, Math.PI*2, true);
+ ctx.closePath();
+ ctx.strokeStyle = "rgba(0,0,0, 0.4)";
+ ctx.lineWidth = num == 0 || num == 3 ? 2 : 1;
+ ctx.stroke();
+ ctx.fillStyle = "black";
+ ctx.font = "normal 10px Arial";
+ // ctx.rotate(0.001);
+ ctx.fillText(num, px - 2, py + 3);
+ // ctx.rotate(-0.001);
+}
+
+function drawLabelX(ymin, num, loc) {
+ var px = (loc - srcLeft) * scale;
+ var py = (ymin - srcTop) * scale - 20;
+ drawLabel(num, px, py);
+}
+
+function drawLabelY(xmin, num, loc) {
+ var px = (xmin - srcLeft) * scale - 20;
+ var py = (loc - srcTop) * scale;
+ drawLabel(num, px, py);
+}
+
+function drawHodoOrigin(hx, hy, hMinX, hMinY, hMaxX, hMaxY) {
+ ctx.beginPath();
+ ctx.moveTo(hx, hy - 100);
+ ctx.lineTo(hx, hy);
+ ctx.strokeStyle = hMinY < 0 ? "green" : "blue";
+ ctx.stroke();
+ ctx.beginPath();
+ ctx.moveTo(hx, hy);
+ ctx.lineTo(hx, hy + 100);
+ ctx.strokeStyle = hMaxY > 0 ? "green" : "blue";
+ ctx.stroke();
+ ctx.beginPath();
+ ctx.moveTo(hx - 100, hy);
+ ctx.lineTo(hx, hy);
+ ctx.strokeStyle = hMinX < 0 ? "green" : "blue";
+ ctx.stroke();
+ ctx.beginPath();
+ ctx.moveTo(hx, hy);
+ ctx.lineTo(hx + 100, hy);
+ ctx.strokeStyle = hMaxX > 0 ? "green" : "blue";
+ ctx.stroke();
+}
+
+function scalexy(x, y, mag) {
+ var length = Math.sqrt(x * x + y * y);
+ return mag / length;
+}
+
+function drawArrow(x, y, dx, dy) {
+ var dscale = scalexy(dx, dy, 1 / scale * 100);
+ dx *= dscale;
+ dy *= dscale;
+ ctx.beginPath();
+ ctx.moveTo((x - srcLeft) * scale, (y - srcTop) * scale);
+ x += dx;
+ y += dy;
+ ctx.lineTo((x - srcLeft) * scale, (y - srcTop) * scale);
+ dx /= 10;
+ dy /= 10;
+ ctx.lineTo((x - dy - srcLeft) * scale, (y + dx - srcTop) * scale);
+ ctx.lineTo((x + dx * 2 - srcLeft) * scale, (y + dy * 2 - srcTop) * scale);
+ ctx.lineTo((x + dy - srcLeft) * scale, (y - dx - srcTop) * scale);
+ ctx.lineTo((x - srcLeft) * scale, (y - srcTop) * scale);
+ ctx.strokeStyle = "rgba(0,75,0, 0.4)";
+ ctx.stroke();
+}
+
+function x_at_t(curve, t) {
+ var one_t = 1 - t;
+ if (curve.length == 4) {
+ return one_t * curve[0] + t * curve[2];
+ }
+ var one_t2 = one_t * one_t;
+ var t2 = t * t;
+ if (curve.length == 6) {
+ return one_t2 * curve[0] + 2 * one_t * t * curve[2] + t2 * curve[4];
+ }
+ var a = one_t2 * one_t;
+ var b = 3 * one_t2 * t;
+ var c = 3 * one_t * t2;
+ var d = t2 * t;
+ return a * curve[0] + b * curve[2] + c * curve[4] + d * curve[6];
+}
+
+function y_at_t(curve, t) {
+ var one_t = 1 - t;
+ if (curve.length == 4) {
+ return one_t * curve[1] + t * curve[3];
+ }
+ var one_t2 = one_t * one_t;
+ var t2 = t * t;
+ if (curve.length == 6) {
+ return one_t2 * curve[1] + 2 * one_t * t * curve[3] + t2 * curve[5];
+ }
+ var a = one_t2 * one_t;
+ var b = 3 * one_t2 * t;
+ var c = 3 * one_t * t2;
+ var d = t2 * t;
+ return a * curve[1] + b * curve[3] + c * curve[5] + d * curve[7];
+}
+
+function drawOrder(curve, label) {
+ var px = x_at_t(curve, 0.75);
+ var py = y_at_t(curve, 0.75);
+ var _px = (px - srcLeft) * scale;
+ var _py = (py - srcTop) * scale;
+ ctx.beginPath();
+ ctx.arc(_px, _py, 15, 0, Math.PI * 2, true);
+ ctx.closePath();
+ ctx.fillStyle = "white";
+ ctx.fill();
+ if (label == 'L') {
+ ctx.strokeStyle = "rgba(255,0,0, 1)";
+ ctx.fillStyle = "rgba(255,0,0, 1)";
+ } else {
+ ctx.strokeStyle = "rgba(0,0,255, 1)";
+ ctx.fillStyle = "rgba(0,0,255, 1)";
+ }
+ ctx.stroke();
+ ctx.font = "normal 16px Arial";
+ ctx.textAlign = "center";
+ ctx.fillText(label, _px, _py + 5);
+ ctx.font = "normal 10px Arial";
+}
+
+function drawID(curve, id) {
+ var px = x_at_t(curve, 0.5);
+ var py = y_at_t(curve, 0.5);
+ var _px = (px - srcLeft) * scale;
+ var _py = (py - srcTop) * scale;
+ draw_id_at(id, _px, _py);
+}
+
+function draw_id_at(id, _px, _py) {
+ ctx.beginPath();
+ ctx.arc(_px, _py, 15, 0, Math.PI * 2, true);
+ ctx.closePath();
+ ctx.fillStyle = "white";
+ ctx.fill();
+ ctx.strokeStyle = "rgba(127,127,0, 1)";
+ ctx.fillStyle = "rgba(127,127,0, 1)";
+ ctx.stroke();
+ ctx.font = "normal 16px Arial";
+ ctx.textAlign = "center";
+ ctx.fillText(id, _px, _py + 5);
+ ctx.font = "normal 10px Arial";
+}
+
+function drawLinePartialID(id, x1, y1, x2, y2, t1, t2) {
+ var curve = [x1, y1, x2, y2];
+ drawCurvePartialID(id, curve, t1, t2);
+}
+
+function drawQuadPartialID(id, x1, y1, x2, y2, x3, y3, t1, t2) {
+ var curve = [x1, y1, x2, y2, x3, y3];
+ drawCurvePartialID(id, curve, t1, t2);
+}
+
+function drawCubicPartialID(id, x1, y1, x2, y2, x3, y3, x4, y4, t1, t2) {
+ var curve = [x1, y1, x2, y2, x3, y3, x4, y4];
+ drawCurvePartialID(id, curve, t1, t2);
+}
+
+function drawCurvePartialID(id, curve, t1, t2) {
+ var px = x_at_t(curve, (t1 + t2) / 2);
+ var py = y_at_t(curve, (t1 + t2) / 2);
+ var _px = (px - srcLeft) * scale;
+ var _py = (py - srcTop) * scale;
+ draw_id_at(id, _px, _py);
+}
+
+function drawCurveSpecials(test, curve, type) {
+ if (pt_labels) {
+ drawPoints(curve, type, pt_labels == 2);
+ }
+ if (control_lines != 0) {
+ drawControlLines(curve, type, control_lines);
+ }
+ if (curve_t) {
+ drawPointAtT(curve, type);
+ }
+ if (draw_midpoint) {
+ var mid = pointAtT(curve, type, 0.5);
+ drawPoint(mid.x, mid.y, true);
+ }
+ if (draw_id) {
+ var id = idByCurve(test, curve, type);
+ if (id >= 0) {
+ drawID(curve, id);
+ }
+ }
+ if (type == PATH_LINE) {
+ return;
+ }
+ if (draw_deriviatives > 0) {
+ var d = dxy_at_t(curve, type, 0);
+ drawArrow(curve[0], curve[1], d.x, d.y);
+ if (draw_deriviatives == 2) {
+ d = dxy_at_t(curve, type, 1);
+ if (type == PATH_CUBIC) {
+ drawArrow(curve[6], curve[7], d.x, d.y);
+ } else {
+ drawArrow(curve[4], curve[5], d.x, d.y);
+ }
+ }
+ if (draw_midpoint) {
+ var mid = pointAtT(curve, type, 0.5);
+ d = dxy_at_t(curve, type, 0.5);
+ drawArrow(mid.x, mid.y, d.x, d.y);
+ }
+ }
+ if (type != PATH_CUBIC) {
+ return;
+ }
+ if (draw_hodo == 1 || draw_hodo == 2) {
+ var hodo = hodograph(curve);
+ var hMinX = Math.min(0, hodo[0], hodo[2], hodo[4]);
+ var hMinY = Math.min(0, hodo[1], hodo[3], hodo[5]);
+ var hMaxX = Math.max(0, hodo[0], hodo[2], hodo[4]);
+ var hMaxY = Math.max(0, hodo[1], hodo[3], hodo[5]);
+ var hScaleX = hMaxX - hMinX > 0 ? screenWidth / (hMaxX - hMinX) : 1;
+ var hScaleY = hMaxY - hMinY > 0 ? screenHeight / (hMaxY - hMinY) : 1;
+ var hUnit = Math.min(hScaleX, hScaleY);
+ hUnit /= 2;
+ var hx = xoffset - hMinX * hUnit;
+ var hy = yoffset - hMinY * hUnit;
+ ctx.moveTo(hx + hodo[0] * hUnit, hy + hodo[1] * hUnit);
+ ctx.quadraticCurveTo(
+ hx + hodo[2] * hUnit, hy + hodo[3] * hUnit,
+ hx + hodo[4] * hUnit, hy + hodo[5] * hUnit);
+ ctx.strokeStyle = "red";
+ ctx.stroke();
+ if (draw_hodo == 1) {
+ drawHodoOrigin(hx, hy, hMinX, hMinY, hMaxX, hMaxY);
+ }
+ }
+ if (draw_hodo == 3) {
+ var hodo = hodograph2(curve);
+ var hMinX = Math.min(0, hodo[0], hodo[2]);
+ var hMinY = Math.min(0, hodo[1], hodo[3]);
+ var hMaxX = Math.max(0, hodo[0], hodo[2]);
+ var hMaxY = Math.max(0, hodo[1], hodo[3]);
+ var hScaleX = hMaxX - hMinX > 0 ? screenWidth / (hMaxX - hMinX) : 1;
+ var hScaleY = hMaxY - hMinY > 0 ? screenHeight / (hMaxY - hMinY) : 1;
+ var hUnit = Math.min(hScaleX, hScaleY);
+ hUnit /= 2;
+ var hx = xoffset - hMinX * hUnit;
+ var hy = yoffset - hMinY * hUnit;
+ ctx.moveTo(hx + hodo[0] * hUnit, hy + hodo[1] * hUnit);
+ ctx.lineTo(hx + hodo[2] * hUnit, hy + hodo[3] * hUnit);
+ ctx.strokeStyle = "red";
+ ctx.stroke();
+ drawHodoOrigin(hx, hy, hMinX, hMinY, hMaxX, hMaxY);
+ }
+ if (draw_sequence) {
+ var ymin = Math.min(curve[1], curve[3], curve[5], curve[7]);
+ for (var i = 0; i < 8; i+= 2) {
+ drawLabelX(ymin, i >> 1, curve[i]);
+ }
+ var xmin = Math.min(curve[0], curve[2], curve[4], curve[6]);
+ for (var i = 1; i < 8; i+= 2) {
+ drawLabelY(xmin, i >> 1, curve[i]);
+ }
+ }
+}
+
+function logCurves(test) {
+ for (curves in test) {
+ var curve = test[curves];
+ dumpCurve(curve);
+ }
+}
+
+function curveToString(curve) {
+ var str = "{{";
+ for (i = 0; i < curve.length; i += 2) {
+ str += curve[i].toFixed(decimal_places) + "," + curve[i + 1].toFixed(decimal_places);
+ if (i < curve.length - 2) {
+ str += "}, {";
+ }
+ }
+ str += "}}";
+ return str;
+}
+
+function dumpCurve(curve) {
+ console.log(curveToString(curve));
+}
+
+function draw(test, lines, title) {
+ ctx.fillStyle = "rgba(0,0,0, 0.1)";
+ ctx.font = "normal 50px Arial";
+ ctx.textAlign = "left";
+ ctx.fillText(title, 50, 50);
+ ctx.font = "normal 10px Arial";
+ ctx.lineWidth = "1.001"; "0.999";
+ var secondPath = test.length;
+ var closeCount = 0;
+ logStart = -1;
+ logRange = 0;
+ // find last active rec type at this step
+ var curType = test[0];
+ var curStep = 0;
+ var hasOp = false;
+ var lastActive = 0;
+ var lastAdd = 0;
+ var lastSect = 0;
+ var lastSort = 0;
+ var lastMark = 0;
+ activeCount = 0;
+ addCount = 0;
+ angleCount = 0;
+ opCount = 0;
+ sectCount = 0;
+ sortCount = 0;
+ markCount = 0;
+ activeMax = 0;
+ addMax = 0;
+ angleMax = 0;
+ opMax = 0;
+ sectMax = 0;
+ sectMax2 = 0;
+ sortMax = 0;
+ markMax = 0;
+ lastIndex = test.length - 3;
+ for (var tIndex = 0; tIndex < test.length; tIndex += 3) {
+ var recType = test[tIndex];
+ if (!typeof recType == 'number' || recType < REC_TYPE_UNKNOWN || recType > REC_TYPE_LAST) {
+ console.log("unknown rec type: " + recType);
+ throw "stop execution";
+ }
+ // if (curType == recType && curType != REC_TYPE_ADD) {
+ // continue;
+ // }
+ var inStepRange = step_limit == 0 || curStep < step_limit;
+ curType = recType;
+ if (recType == REC_TYPE_OP) {
+ hasOp = true;
+ continue;
+ }
+ if (recType == REC_TYPE_UNKNOWN) {
+ // these types do not advance step
+ continue;
+ }
+ var bumpStep = false;
+ var records = test[tIndex + 2];
+ var fragType = records[0];
+ if (recType == REC_TYPE_ADD) {
+ if (records.length != 2) {
+ console.log("expect only two elements: " + records.length);
+ throw "stop execution";
+ }
+ if (fragType == ADD_MOVETO || fragType == ADD_CLOSE) {
+ continue;
+ }
+ ++addMax;
+ if (!draw_add || !inStepRange) {
+ continue;
+ }
+ lastAdd = tIndex;
+ ++addCount;
+ bumpStep = true;
+ }
+ if (recType == REC_TYPE_PATH && hasOp) {
+ secondPath = tIndex;
+ }
+ if (recType == REC_TYPE_ACTIVE) {
+ ++activeMax;
+ if (!draw_active || !inStepRange) {
+ continue;
+ }
+ lastActive = tIndex;
+ ++activeCount;
+ bumpStep = true;
+ }
+ if (recType == REC_TYPE_ACTIVE_OP) {
+ ++opMax;
+ if (!draw_op || !inStepRange) {
+ continue;
+ }
+ lastOp = tIndex;
+ ++opCount;
+ bumpStep = true;
+ }
+ if (recType == REC_TYPE_ANGLE) {
+ ++angleMax;
+ if (!draw_angle || !inStepRange) {
+ continue;
+ }
+ lastAngle = tIndex;
+ ++angleCount;
+ bumpStep = true;
+ }
+ if (recType == REC_TYPE_SECT) {
+ if (records.length != 2) {
+ console.log("expect only two elements: " + records.length);
+ throw "stop execution";
+ }
+ ++sectMax;
+ var sectBump = 1;
+ switch (fragType) {
+ case INTERSECT_LINE:
+ case INTERSECT_QUAD_LINE:
+ case INTERSECT_QUAD:
+ case INTERSECT_SELF_CUBIC:
+ case INTERSECT_CUBIC_LINE:
+ case INTERSECT_CUBIC_QUAD:
+ case INTERSECT_CUBIC:
+ sectBump = 1;
+ break;
+ case INTERSECT_LINE_2:
+ case INTERSECT_QUAD_LINE_2:
+ case INTERSECT_QUAD_2:
+ case INTERSECT_CUBIC_LINE_2:
+ case INTERSECT_CUBIC_QUAD_2:
+ case INTERSECT_CUBIC_2:
+ sectBump = 2;
+ break;
+ case INTERSECT_LINE_NO:
+ case INTERSECT_QUAD_LINE_NO:
+ case INTERSECT_QUAD_NO:
+ case INTERSECT_SELF_CUBIC_NO:
+ case INTERSECT_CUBIC_LINE_NO:
+ case INTERSECT_CUBIC_QUAD_NO:
+ case INTERSECT_CUBIC_NO:
+ sectBump = 0;
+ break;
+ case INTERSECT_CUBIC_LINE_3:
+ case INTERSECT_CUBIC_QUAD_3:
+ case INTERSECT_CUBIC_3:
+ sectBump = 3;
+ break;
+ case INTERSECT_CUBIC_QUAD_4:
+ case INTERSECT_CUBIC_4:
+ sectBump = 4;
+ break;
+ default:
+ console.log("missing case " + records.length);
+ throw "stop execution";
+ }
+ sectMax2 += sectBump;
+ if (draw_intersection <= 1 || !inStepRange) {
+ continue;
+ }
+ lastSect = tIndex;
+ sectCount += sectBump;
+ bumpStep = true;
+ }
+ if (recType == REC_TYPE_SORT) {
+ ++sortMax;
+ if (!draw_sort || !inStepRange) {
+ continue;
+ }
+ lastSort = tIndex;
+ ++sortCount;
+ bumpStep = true;
+ }
+ if (recType == REC_TYPE_MARK) {
+ ++markMax;
+ if (!draw_mark || !inStepRange) {
+ continue;
+ }
+ lastMark = tIndex;
+ ++markCount;
+ bumpStep = true;
+ }
+ if (bumpStep) {
+ lastIndex = tIndex;
+ logStart = test[tIndex + 1];
+ logRange = records.length / 2;
+ ++curStep;
+ }
+ }
+ stepMax = (draw_add ? addMax : 0)
+ + (draw_active ? activeMax : 0)
+ + (draw_op ? opMax : 0)
+ + (draw_angle ? angleMax : 0)
+ + (draw_sort ? sortMax : 0)
+ + (draw_mark ? markMax : 0)
+ + (draw_intersection == 2 ? sectMax : draw_intersection == 3 ? sectMax2 : 0);
+ if (stepMax == 0) {
+ stepMax = addMax + activeMax + angleMax + opMax + sortMax + markMax;
+ }
+ drawnPts = [];
+ drawnLines = [];
+ drawnQuads = [];
+ drawnCubics = [];
+ focusXmin = focusYmin = Infinity;
+ focusXmax = focusYmax = -Infinity;
+ var pathIndex = 0;
+ var opLetter = 'S';
+ for (var tIndex = lastIndex; tIndex >= 0; tIndex -= 3) {
+ var recType = test[tIndex];
+ var records = test[tIndex + 2];
+ for (var recordIndex = 0; recordIndex < records.length; recordIndex += 2) {
+ var fragType = records[recordIndex];
+ if (!typeof fragType == 'number' || fragType < 1 || fragType > FRAG_TYPE_LAST) {
+ console.log("unknown in range frag type: " + fragType);
+ throw "stop execution";
+ }
+ var frags = records[recordIndex + 1];
+ focus_enabled = false;
+ switch (recType) {
+ case REC_TYPE_COMPUTED:
+ if (draw_computed == 0) {
+ continue;
+ }
+ ctx.lineWidth = 1;
+ ctx.strokeStyle = pathIndex == 0 ? "black" : "red";
+ ctx.fillStyle = "blue";
+ var drawThis = false;
+ switch (fragType) {
+ case PATH_QUAD:
+ if ((draw_computed & 5) == 1 || ((draw_computed & 4) != 0
+ && (draw_computed & 1) == pathIndex)) {
+ drawQuad(frags[0], frags[1], frags[2], frags[3],
+ frags[4], frags[5]);
+ drawThis = true;
+ }
+ break;
+ case PATH_CUBIC:
+ if ((draw_computed & 6) == 2 || ((draw_computed & 4) != 0
+ && (draw_computed & 1) != pathIndex)) {
+ drawCubic(frags[0], frags[1], frags[2], frags[3],
+ frags[4], frags[5], frags[6], frags[7]);
+ drawThis = true;
+ }
+ ++pathIndex;
+ break;
+ case COMPUTED_SET_1:
+ pathIndex = 0;
+ break;
+ case COMPUTED_SET_2:
+ pathIndex = 1;
+ break;
+ default:
+ console.log("unknown REC_TYPE_COMPUTED frag type: " + fragType);
+ throw "stop execution";
+ }
+ if (!drawThis || collect_bounds) {
+ break;
+ }
+ drawCurveSpecials(test, frags, fragType);
+ break;
+ case REC_TYPE_PATH:
+ if (!draw_path) {
+ continue;
+ }
+ var firstPath = tIndex < secondPath;
+ if ((draw_path & (firstPath ? 1 : 2)) == 0) {
+ continue;
+ }
+ ctx.lineWidth = 1;
+ ctx.strokeStyle = firstPath ? "black" : "red";
+ ctx.fillStyle = "blue";
+ switch (fragType) {
+ case PATH_LINE:
+ drawLine(frags[0], frags[1], frags[2], frags[3]);
+ break;
+ case PATH_QUAD:
+ drawQuad(frags[0], frags[1], frags[2], frags[3],
+ frags[4], frags[5]);
+ break;
+ case PATH_CUBIC:
+ drawCubic(frags[0], frags[1], frags[2], frags[3],
+ frags[4], frags[5], frags[6], frags[7]);
+ break;
+ default:
+ console.log("unknown REC_TYPE_PATH frag type: " + fragType);
+ throw "stop execution";
+ }
+ if (collect_bounds) {
+ break;
+ }
+ drawCurveSpecials(test, frags, fragType);
+ break;
+ case REC_TYPE_OP:
+ switch (fragType) {
+ case OP_INTERSECT: opLetter = 'I'; break;
+ case OP_DIFFERENCE: opLetter = 'D'; break;
+ case OP_UNION: opLetter = 'U'; break;
+ case OP_XOR: opLetter = 'X'; break;
+ default:
+ console.log("unknown REC_TYPE_OP frag type: " + fragType);
+ throw "stop execution";
+ }
+ break;
+ case REC_TYPE_ACTIVE:
+ if (!draw_active || (step_limit > 0 && tIndex < lastActive)) {
+ continue;
+ }
+ var x1 = frags[SPAN_X1];
+ var y1 = frags[SPAN_Y1];
+ var x2 = frags[SPAN_X2];
+ var y2 = frags[SPAN_Y2];
+ var x3, y3, x3, y4, t1, t2;
+ ctx.lineWidth = 3;
+ ctx.strokeStyle = "rgba(0,0,255, 0.3)";
+ focus_enabled = true;
+ switch (fragType) {
+ case ACTIVE_LINE_SPAN:
+ t1 = frags[SPAN_L_T];
+ t2 = frags[SPAN_L_TEND];
+ drawLinePartial(x1, y1, x2, y2, t1, t2);
+ if (draw_id) {
+ drawLinePartialID(frags[0], x1, y1, x2, y2, t1, t2);
+ }
+ break;
+ case ACTIVE_QUAD_SPAN:
+ x3 = frags[SPAN_X3];
+ y3 = frags[SPAN_Y3];
+ t1 = frags[SPAN_Q_T];
+ t2 = frags[SPAN_Q_TEND];
+ drawQuadPartial(x1, y1, x2, y2, x3, y3, t1, t2);
+ if (draw_id) {
+ drawQuadPartialID(frags[0], x1, y1, x2, y2, x3, y3, t1, t2);
+ }
+ break;
+ case ACTIVE_CUBIC_SPAN:
+ x3 = frags[SPAN_X3];
+ y3 = frags[SPAN_Y3];
+ x4 = frags[SPAN_X4];
+ y4 = frags[SPAN_Y4];
+ t1 = frags[SPAN_C_T];
+ t2 = frags[SPAN_C_TEND];
+ drawCubicPartial(x1, y1, x2, y2, x3, y3, x4, y4, t1, t2);
+ if (draw_id) {
+ drawCubicPartialID(frags[0], x1, y1, x2, y2, x3, y3, x4, y4, t1, t2);
+ }
+ break;
+ default:
+ console.log("unknown REC_TYPE_ACTIVE frag type: " + fragType);
+ throw "stop execution";
+ }
+ break;
+ case REC_TYPE_ACTIVE_OP:
+ if (!draw_op || (step_limit > 0 && tIndex < lastOp)) {
+ continue;
+ }
+ focus_enabled = true;
+ ctx.lineWidth = 3;
+ var activeSpan = frags[7] == "1";
+ ctx.strokeStyle = activeSpan ? "rgba(45,160,0, 0.3)" : "rgba(255,45,0, 0.5)";
+ var curve = curvePartialByID(test, frags[0], frags[1], frags[2]);
+ drawCurve(curve);
+ if (draw_op > 1) {
+ drawArc(curve, false, frags[3], frags[4]);
+ drawArc(curve, true, frags[5], frags[6]);
+ }
+ break;
+ case REC_TYPE_ADD:
+ if (!draw_add) {
+ continue;
+ }
+ ctx.lineWidth = 3;
+ ctx.strokeStyle = closeCount == 0 ? "rgba(0,0,255, 0.3)"
+ : closeCount == 1 ? "rgba(0,127,0, 0.3)"
+ : closeCount == 2 ? "rgba(0,127,127, 0.3)"
+ : closeCount == 3 ? "rgba(127,127,0, 0.3)"
+ : "rgba(127,0,127, 0.3)";
+ focus_enabled = true;
+ switch (fragType) {
+ case ADD_MOVETO:
+ break;
+ case ADD_LINETO:
+ if (step_limit == 0 || tIndex >= lastAdd) {
+ drawLine(frags[0], frags[1], frags[2], frags[3]);
+ }
+ break;
+ case ADD_QUADTO:
+ if (step_limit == 0 || tIndex >= lastAdd) {
+ drawQuad(frags[0], frags[1], frags[2], frags[3], frags[4], frags[5]);
+ }
+ break;
+ case ADD_CUBICTO:
+ if (step_limit == 0 || tIndex >= lastAdd) {
+ drawCubic(frags[0], frags[1], frags[2], frags[3],
+ frags[4], frags[5], frags[6], frags[7]);
+ }
+ break;
+ case ADD_CLOSE:
+ ++closeCount;
+ break;
+ case ADD_FILL:
+ break;
+ default:
+ console.log("unknown REC_TYPE_ADD frag type: " + fragType);
+ throw "stop execution";
+ }
+ break;
+ case REC_TYPE_ANGLE:
+ if (!draw_angle || (step_limit > 0 && tIndex < lastAngle)) {
+ continue;
+ }
+ if (fragType != ANGLE_AFTER && fragType != ANGLE_AFTER2) {
+ continue;
+ }
+ focus_enabled = true;
+ ctx.lineWidth = 3;
+ ctx.strokeStyle = "rgba(127,45,127, 0.3)";
+ var leftCurve, midCurve, rightCurve;
+ if (fragType == ANGLE_AFTER) {
+ leftCurve = curvePartialByID(test, frags[0], frags[3], frags[4]);
+ midCurve = curvePartialByID(test, frags[5], frags[8], frags[9]);
+ rightCurve = curvePartialByID(test, frags[10], frags[13], frags[14]);
+ } else {
+ leftCurve = curvePartialByID(test, frags[0], frags[4], frags[5]);
+ midCurve = curvePartialByID(test, frags[6], frags[10], frags[11]);
+ rightCurve = curvePartialByID(test, frags[12], frags[16], frags[17]);
+ }
+ drawCurve(leftCurve);
+ drawCurve(rightCurve);
+ var inBetween = frags[fragType == ANGLE_AFTER ? 15 : 18] == "T";
+ ctx.strokeStyle = inBetween ? "rgba(0,160,45, 0.3)" : "rgba(255,0,45, 0.5)";
+ drawCurve(midCurve);
+ if (draw_angle > 1) {
+ drawOrder(leftCurve, 'L');
+ drawOrder(rightCurve, 'R');
+ }
+ break;
+ case REC_TYPE_SECT:
+ if (!draw_intersection) {
+ continue;
+ }
+ if (draw_intersection != 1 && (step_limit > 0 && tIndex < lastSect)) {
+ continue;
+ }
+ // draw_intersection == 1 : show all
+ // draw_intersection == 2 : step == 0 ? show all : show intersection line #step
+ // draw_intersection == 3 : step == 0 ? show all : show intersection #step
+ ctx.lineWidth = 1;
+ ctx.strokeStyle = "rgba(0,0,255, 0.3)";
+ ctx.fillStyle = "blue";
+ focus_enabled = true;
+ var f = [];
+ var c1s;
+ var c1l;
+ var c2s;
+ var c2l;
+ switch (fragType) {
+ case INTERSECT_LINE:
+ f.push(5, 6, 0, 7);
+ c1s = 1; c1l = 4; c2s = 8; c2l = 4;
+ break;
+ case INTERSECT_LINE_2:
+ f.push(5, 6, 0, 10);
+ f.push(8, 9, 7, 15);
+ c1s = 1; c1l = 4; c2s = 11; c2l = 4;
+ break;
+ case INTERSECT_LINE_NO:
+ c1s = 0; c1l = 4; c2s = 4; c2l = 4;
+ break;
+ case INTERSECT_QUAD_LINE:
+ f.push(7, 8, 0, 9);
+ c1s = 1; c1l = 6; c2s = 10; c2l = 4;
+ break;
+ case INTERSECT_QUAD_LINE_2:
+ f.push(7, 8, 0, 12);
+ f.push(10, 11, 9, 17);
+ c1s = 1; c1l = 6; c2s = 13; c2l = 4;
+ break;
+ case INTERSECT_QUAD_LINE_NO:
+ c1s = 0; c1l = 6; c2s = 6; c2l = 4;
+ break;
+ case INTERSECT_QUAD:
+ f.push(7, 8, 0, 9);
+ c1s = 1; c1l = 6; c2s = 10; c2l = 6;
+ break;
+ case INTERSECT_QUAD_2:
+ f.push(7, 8, 0, 12);
+ f.push(10, 11, 9, 19);
+ c1s = 1; c1l = 6; c2s = 13; c2l = 6;
+ break;
+ case INTERSECT_QUAD_NO:
+ c1s = 0; c1l = 6; c2s = 6; c2l = 6;
+ break;
+ case INTERSECT_SELF_CUBIC:
+ f.push(9, 10, 0, 11);
+ c1s = 1; c1l = 8; c2s = 0; c2l = 0;
+ break;
+ case INTERSECT_SELF_CUBIC_NO:
+ c1s = 0; c1l = 8; c2s = 0; c2l = 0;
+ break;
+ case INTERSECT_CUBIC_LINE:
+ f.push(9, 10, 0, 11);
+ c1s = 1; c1l = 8; c2s = 12; c2l = 4;
+ break;
+ case INTERSECT_CUBIC_LINE_2:
+ f.push(9, 10, 0, 14);
+ f.push(12, 13, 11, 19);
+ c1s = 1; c1l = 8; c2s = 15; c2l = 4;
+ break;
+ case INTERSECT_CUBIC_LINE_3:
+ f.push(9, 10, 0, 17);
+ f.push(12, 13, 11, 22);
+ f.push(15, 16, 14, 23);
+ c1s = 1; c1l = 8; c2s = 18; c2l = 4;
+ break;
+ case INTERSECT_CUBIC_QUAD_NO:
+ c1s = 0; c1l = 8; c2s = 8; c2l = 6;
+ break;
+ case INTERSECT_CUBIC_QUAD:
+ f.push(9, 10, 0, 11);
+ c1s = 1; c1l = 8; c2s = 12; c2l = 6;
+ break;
+ case INTERSECT_CUBIC_QUAD_2:
+ f.push(9, 10, 0, 14);
+ f.push(12, 13, 11, 21);
+ c1s = 1; c1l = 8; c2s = 15; c2l = 6;
+ break;
+ case INTERSECT_CUBIC_QUAD_3:
+ f.push(9, 10, 0, 17);
+ f.push(12, 13, 11, 24);
+ f.push(15, 16, 14, 25);
+ c1s = 1; c1l = 8; c2s = 18; c2l = 6;
+ break;
+ case INTERSECT_CUBIC_QUAD_4:
+ f.push(9, 10, 0, 20);
+ f.push(12, 13, 11, 27);
+ f.push(15, 16, 14, 28);
+ f.push(18, 19, 17, 29);
+ c1s = 1; c1l = 8; c2s = 21; c2l = 6;
+ break;
+ case INTERSECT_CUBIC_LINE_NO:
+ c1s = 0; c1l = 8; c2s = 8; c2l = 4;
+ break;
+ case INTERSECT_CUBIC:
+ f.push(9, 10, 0, 11);
+ c1s = 1; c1l = 8; c2s = 12; c2l = 8;
+ break;
+ case INTERSECT_CUBIC_2:
+ f.push(9, 10, 0, 14);
+ f.push(12, 13, 11, 23);
+ c1s = 1; c1l = 8; c2s = 15; c2l = 8;
+ break;
+ case INTERSECT_CUBIC_3:
+ f.push(9, 10, 0, 17);
+ f.push(12, 13, 11, 26);
+ f.push(15, 16, 14, 27);
+ c1s = 1; c1l = 8; c2s = 18; c2l = 8;
+ break;
+ case INTERSECT_CUBIC_4:
+ f.push(9, 10, 0, 20);
+ f.push(12, 13, 11, 29);
+ f.push(15, 16, 14, 30);
+ f.push(18, 19, 17, 31);
+ c1s = 1; c1l = 8; c2s = 21; c2l = 8;
+ break;
+ case INTERSECT_CUBIC_NO:
+ c1s = 0; c1l = 8; c2s = 8; c2l = 8;
+ break;
+ default:
+ console.log("unknown REC_TYPE_SECT frag type: " + fragType);
+ throw "stop execution";
+ }
+ if (draw_intersection != 1) {
+ var id = -1;
+ var curve;
+ switch (c1l) {
+ case 4:
+ drawLine(frags[c1s], frags[c1s + 1], frags[c1s + 2], frags[c1s + 3]);
+ if (draw_id) {
+ curve = [frags[c1s], frags[c1s + 1], frags[c1s + 2], frags[c1s + 3]];
+ id = idByCurve(test, curve, PATH_LINE);
+ }
+ break;
+ case 6:
+ drawQuad(frags[c1s], frags[c1s + 1], frags[c1s + 2], frags[c1s + 3],
+ frags[c1s + 4], frags[c1s + 5]);
+ if (draw_id) {
+ curve = [frags[c1s], frags[c1s + 1], frags[c1s + 2], frags[c1s + 3],
+ frags[c1s + 4], frags[c1s + 5]];
+ id = idByCurve(test, curve, PATH_QUAD);
+ }
+ break;
+ case 8:
+ drawCubic(frags[c1s], frags[c1s + 1], frags[c1s + 2], frags[c1s + 3],
+ frags[c1s + 4], frags[c1s + 5], frags[c1s + 6], frags[c1s + 7]);
+ if (draw_id) {
+ curve = [frags[c1s], frags[c1s + 1], frags[c1s + 2], frags[c1s + 3],
+ frags[c1s + 4], frags[c1s + 5], frags[c1s + 6], frags[c1s + 7]];
+ id = idByCurve(test, curve, PATH_CUBIC);
+ }
+ break;
+ }
+ if (id >= 0) {
+ drawID(curve, id);
+ }
+ id = -1;
+ switch (c2l) {
+ case 0:
+ break;
+ case 4:
+ drawLine(frags[c2s], frags[c2s + 1], frags[c2s + 2], frags[c2s + 3]);
+ if (draw_id) {
+ curve = [frags[c2s], frags[c2s + 1], frags[c2s + 2], frags[c2s + 3]];
+ id = idByCurve(test, curve, PATH_LINE);
+ }
+ break;
+ case 6:
+ drawQuad(frags[c2s], frags[c2s + 1], frags[c2s + 2], frags[c2s + 3],
+ frags[c2s + 4], frags[c2s + 5]);
+ if (draw_id) {
+ curve = [frags[c2s], frags[c2s + 1], frags[c2s + 2], frags[c2s + 3],
+ frags[c2s + 4], frags[c2s + 5]];
+ id = idByCurve(test, curve, PATH_QUAD);
+ }
+ break;
+ case 8:
+ drawCubic(frags[c2s], frags[c2s + 1], frags[c2s + 2], frags[c2s + 3],
+ frags[c2s + 4], frags[c2s + 5], frags[c2s + 6], frags[c2s + 7]);
+ if (draw_id) {
+ curve = [frags[c2s], frags[c2s + 1], frags[c2s + 2], frags[c2s + 3],
+ frags[c2s + 4], frags[c2s + 5], frags[c2s + 6], frags[c2s + 7]];
+ id = idByCurve(test, curve, PATH_CUBIC);
+ }
+ break;
+ }
+ if (id >= 0) {
+ drawID(curve, id);
+ }
+ }
+ if (collect_bounds) {
+ break;
+ }
+ for (var idx = 0; idx < f.length; idx += 4) {
+ if (draw_intersection != 3 || idx == lastSect - tIndex) {
+ drawPoint(frags[f[idx]], frags[f[idx + 1]], true);
+ }
+ }
+ if (!draw_intersectT) {
+ break;
+ }
+ ctx.fillStyle = "red";
+ for (var idx = 0; idx < f.length; idx += 4) {
+ if (draw_intersection != 3 || idx == lastSect - tIndex) {
+ drawTAtPointUp(frags[f[idx]], frags[f[idx + 1]], frags[f[idx + 2]]);
+ drawTAtPointDown(frags[f[idx]], frags[f[idx + 1]], frags[f[idx + 3]]);
+ }
+ }
+ break;
+ case REC_TYPE_SORT:
+ if (!draw_sort || (step_limit > 0 && tIndex < lastSort)) {
+ continue;
+ }
+ ctx.lineWidth = 3;
+ ctx.strokeStyle = "rgba(127,127,0, 0.5)";
+ focus_enabled = true;
+ switch (fragType) {
+ case SORT_UNARY:
+ case SORT_BINARY:
+ var curve = curvePartialByID(test, frags[0], frags[6], frags[8]);
+ drawCurve(curve);
+ break;
+ default:
+ console.log("unknown REC_TYPE_SORT frag type: " + fragType);
+ throw "stop execution";
+ }
+ break;
+ case REC_TYPE_MARK:
+ if (!draw_mark || (step_limit > 0 && tIndex < lastMark)) {
+ continue;
+ }
+ ctx.lineWidth = 3;
+ ctx.strokeStyle = fragType >= MARK_DONE_LINE ?
+ "rgba(127,0,127, 0.5)" : "rgba(127,127,0, 0.5)";
+ focus_enabled = true;
+ switch (fragType) {
+ case MARK_LINE:
+ case MARK_DONE_LINE:
+ case MARK_UNSORTABLE_LINE:
+ case MARK_SIMPLE_LINE:
+ case MARK_SIMPLE_DONE_LINE:
+ case MARK_DONE_UNARY_LINE:
+ drawLinePartial(frags[1], frags[2], frags[3], frags[4],
+ frags[5], frags[9]);
+ if (draw_id) {
+ drawLinePartialID(frags[0], frags[1], frags[2], frags[3], frags[4],
+ frags[5], frags[9]);
+ }
+ break;
+ case MARK_QUAD:
+ case MARK_DONE_QUAD:
+ case MARK_UNSORTABLE_QUAD:
+ case MARK_SIMPLE_QUAD:
+ case MARK_SIMPLE_DONE_QUAD:
+ case MARK_DONE_UNARY_QUAD:
+ drawQuadPartial(frags[1], frags[2], frags[3], frags[4],
+ frags[5], frags[6], frags[7], frags[11]);
+ if (draw_id) {
+ drawQuadPartialID(frags[0], frags[1], frags[2], frags[3], frags[4],
+ frags[5], frags[6], frags[7], frags[11]);
+ }
+ break;
+ case MARK_CUBIC:
+ case MARK_DONE_CUBIC:
+ case MARK_UNSORTABLE_CUBIC:
+ case MARK_SIMPLE_CUBIC:
+ case MARK_SIMPLE_DONE_CUBIC:
+ case MARK_DONE_UNARY_CUBIC:
+ drawCubicPartial(frags[1], frags[2], frags[3], frags[4],
+ frags[5], frags[6], frags[7], frags[8], frags[9], frags[13]);
+ if (draw_id) {
+ drawCubicPartialID(frags[0], frags[1], frags[2], frags[3], frags[4],
+ frags[5], frags[6], frags[7], frags[8], frags[9], frags[13]);
+ }
+ break;
+ case MARK_ANGLE_LAST:
+ // FIXME: ignored for now
+ break;
+ default:
+ console.log("unknown REC_TYPE_MARK frag type: " + fragType);
+ throw "stop execution";
+ }
+ break;
+ default:
+ continue;
+ }
+ }
+ switch (recType) {
+ case REC_TYPE_SORT:
+ if (!draw_sort || (step_limit > 0 && tIndex < lastSort)) {
+ break;
+ }
+ var angles = []; // use tangent lines to describe arcs
+ var windFrom = [];
+ var windTo = [];
+ var opp = [];
+ var minXY = Number.MAX_VALUE;
+ var partial;
+ focus_enabled = true;
+ var someUnsortable = false;
+ for (var recordIndex = 0; recordIndex < records.length; recordIndex += 2) {
+ var fragType = records[recordIndex];
+ var frags = records[recordIndex + 1];
+ var unsortable = (fragType == SORT_UNARY && frags[14]) ||
+ (fragType == SORT_BINARY && frags[16]);
+ someUnsortable |= unsortable;
+ switch (fragType) {
+ case SORT_UNARY:
+ case SORT_BINARY:
+ partial = curvePartialByID(test, frags[0], frags[6], frags[8]);
+ break;
+ default:
+ console.log("unknown REC_TYPE_SORT frag type: " + fragType);
+ throw "stop execution";
+ }
+ var dx = boundsWidth(partial);
+ var dy = boundsHeight(partial);
+ minXY = Math.min(minXY, dx * dx + dy * dy);
+ if (collect_bounds) {
+ continue;
+ }
+ angles.push(tangent(partial));
+ var from = frags[12];
+ var to = frags[12];
+ var sgn = frags[10];
+ if (sgn < 0) {
+ from -= frags[11];
+ } else if (sgn > 0) {
+ to -= frags[11];
+ }
+ windFrom.push(from + (unsortable ? "!" : ""));
+ windTo.push(to + (unsortable ? "!" : ""));
+ opp.push(fragType == SORT_BINARY);
+ if (draw_sort == 1) {
+ drawOrder(partial, frags[12]);
+ } else {
+ drawOrder(partial, (recordIndex / 2) + 1);
+ }
+ }
+ var radius = Math.sqrt(minXY) / 2 * scale;
+ radius = Math.min(50, radius);
+ var scaledRadius = radius / scale;
+ var centerX = partial[0];
+ var centerY = partial[1];
+ if (collect_bounds) {
+ if (focus_enabled) {
+ focusXmin = Math.min(focusXmin, centerX - scaledRadius);
+ focusYmin = Math.min(focusYmin, centerY - scaledRadius);
+ focusXmax = Math.max(focusXmax, centerX + scaledRadius);
+ focusYmax = Math.max(focusYmax, centerY + scaledRadius);
+ }
+ break;
+ }
+ break;
+ default:
+ break;
+ }
+ }
+ if (collect_bounds) {
+ return;
+ }
+ if (draw_log && logStart >= 0) {
+ ctx.font = "normal 10px Arial";
+ ctx.textAlign = "left";
+ ctx.beginPath();
+ var top = screenHeight - 20 - (logRange + 2) * 10;
+ ctx.rect(50, top, screenWidth - 100, (logRange + 2) * 10);
+ ctx.fillStyle = "white";
+ ctx.fill();
+ ctx.fillStyle = "rgba(0,0,0, 0.5)";
+ if (logStart > 0) {
+ ctx.fillText(lines[logStart - 1], 50, top + 8);
+ }
+ ctx.fillStyle = "black";
+ for (var idx = 0; idx < logRange; ++idx) {
+ ctx.fillText(lines[logStart + idx], 50, top + 18 + 10 * idx);
+ }
+ ctx.fillStyle = "rgba(0,0,0, 0.5)";
+ if (logStart + logRange < lines.length) {
+ ctx.fillText(lines[logStart + logRange], 50, top + 18 + 10 * logRange);
+ }
+ }
+ if (draw_legend) {
+ var pos = 0;
+ var drawSomething = draw_add | draw_active | draw_sort | draw_mark;
+ // drawBox(pos++, "yellow", "black", opLetter, true, '');
+ drawBox(pos++, "rgba(0,0,255, 0.3)", "black", draw_intersection > 1 ? sectCount : sectMax2, draw_intersection, intersectionKey);
+ drawBox(pos++, "rgba(0,0,255, 0.3)", "black", draw_add ? addCount : addMax, draw_add, addKey);
+ drawBox(pos++, "rgba(0,0,255, 0.3)", "black", draw_active ? activeCount : activeMax, draw_active, activeKey);
+ drawBox(pos++, "rgba(127,127,0, 0.3)", "black", draw_angle ? angleCount : angleMax, draw_angle, angleKey);
+ drawBox(pos++, "rgba(127,127,0, 0.3)", "black", draw_op ? opCount : opMax, draw_op, opKey);
+ drawBox(pos++, "rgba(127,127,0, 0.3)", "black", draw_sort ? sortCount : sortMax, draw_sort, sortKey);
+ drawBox(pos++, "rgba(127,0,127, 0.3)", "black", draw_mark ? markCount : markMax, draw_mark, markKey);
+ drawBox(pos++, "black", "white",
+ (new Array('P', 'P1', 'P2', 'P'))[draw_path], draw_path != 0, pathKey);
+ drawBox(pos++, "rgba(0,63,0, 0.7)", "white",
+ (new Array('Q', 'Q', 'C', 'QC', 'Qc', 'Cq'))[draw_computed],
+ draw_computed != 0, computedKey);
+ drawBox(pos++, "green", "black", step_limit, drawSomething, '');
+ drawBox(pos++, "green", "black", stepMax, drawSomething, '');
+ drawBox(pos++, "rgba(255,0,0, 0.6)", "black", lastIndex, drawSomething & draw_log, '');
+ drawBox(pos++, "rgba(255,0,0, 0.6)", "black", test.length - 1, drawSomething & draw_log, '');
+ if (curve_t) {
+ drawCurveTControl();
+ }
+ ctx.font = "normal 20px Arial";
+ ctx.fillStyle = "rgba(0,0,0, 0.3)";
+ ctx.textAlign = "right";
+ ctx.fillText(scale.toFixed(decimal_places) + 'x' , screenWidth - 10, screenHeight - 5);
+ }
+ if (draw_hints) {
+ ctx.font = "normal 10px Arial";
+ ctx.fillStyle = "rgba(0,0,0, 0.5)";
+ ctx.textAlign = "right";
+ var y = 4;
+ ctx.fillText("control lines : " + controlLinesKey, ctx.screenWidthwidth - 10, pos * 50 + y++ * 10);
+ ctx.fillText("curve t : " + curveTKey, screenWidth - 10, pos * 50 + y++ * 10);
+ ctx.fillText("deriviatives : " + deriviativesKey, screenWidth - 10, pos * 50 + y++ * 10);
+ ctx.fillText("intersect t : " + intersectTKey, screenWidth - 10, pos * 50 + y++ * 10);
+ ctx.fillText("hodo : " + hodoKey, screenWidth - 10, pos * 50 + y++ * 10);
+ ctx.fillText("log : " + logKey, screenWidth - 10, pos * 50 + y++ * 10);
+ ctx.fillText("log curve : " + logCurvesKey, screenWidth - 10, pos * 50 + y++ * 10);
+ ctx.fillText("mid point : " + midpointKey, screenWidth - 10, pos * 50 + y++ * 10);
+ ctx.fillText("points : " + ptsKey, screenWidth - 10, pos * 50 + y++ * 10);
+ ctx.fillText("sequence : " + sequenceKey, screenWidth - 10, pos * 50 + y++ * 10);
+ ctx.fillText("xy : " + xyKey, screenWidth - 10, pos * 50 + y++ * 10);
+ }
+}
+
+function drawBox(y, backC, foreC, str, enable, label) {
+ ctx.beginPath();
+ ctx.fillStyle = backC;
+ ctx.rect(screenWidth - 40, y * 50 + 10, 40, 30);
+ ctx.fill();
+ ctx.font = "normal 16px Arial";
+ ctx.fillStyle = foreC;
+ ctx.textAlign = "center";
+ ctx.fillText(str, screenWidth - 20, y * 50 + 32);
+ if (!enable) {
+ ctx.fillStyle = "rgba(255,255,255, 0.5)";
+ ctx.fill();
+ }
+ if (label != '') {
+ ctx.font = "normal 9px Arial";
+ ctx.fillStyle = "black";
+ ctx.fillText(label, screenWidth - 47, y * 50 + 40);
+ }
+}
+
+function drawCurveTControl() {
+ ctx.lineWidth = 2;
+ ctx.strokeStyle = "rgba(0,0,0, 0.3)";
+ ctx.beginPath();
+ ctx.rect(screenWidth - 80, 40, 28, screenHeight - 80);
+ ctx.stroke();
+ var ty = 40 + curveT * (screenHeight - 80);
+ ctx.beginPath();
+ ctx.moveTo(screenWidth - 80, ty);
+ ctx.lineTo(screenWidth - 85, ty - 5);
+ ctx.lineTo(screenWidth - 85, ty + 5);
+ ctx.lineTo(screenWidth - 80, ty);
+ ctx.fillStyle = "rgba(0,0,0, 0.6)";
+ ctx.fill();
+ var num = curveT.toFixed(decimal_places);
+ ctx.font = "normal 10px Arial";
+ ctx.textAlign = "left";
+ ctx.fillText(num, screenWidth - 78, ty);
+}
+
+function ptInTControl() {
+ var e = window.event;
+ var tgt = e.target || e.srcElement;
+ var left = tgt.offsetLeft;
+ var top = tgt.offsetTop;
+ var x = (e.clientX - left);
+ var y = (e.clientY - top);
+ if (x < screenWidth - 80 || x > screenWidth - 50) {
+ return false;
+ }
+ if (y < 40 || y > screenHeight - 80) {
+ return false;
+ }
+ curveT = (y - 40) / (screenHeight - 120);
+ if (curveT < 0 || curveT > 1) {
+ throw "stop execution";
+ }
+ return true;
+}
+
+function drawTop() {
+ if (tests[testIndex] == null) {
+ var str = testDivs[testIndex].textContent;
+ parse_all(str);
+ var title = testDivs[testIndex].id.toString();
+ testTitles[testIndex] = title;
+ }
+ init(tests[testIndex]);
+ redraw();
+}
+
+function redraw() {
+ if (focus_on_selection) {
+ collect_bounds = true;
+ draw(tests[testIndex], testLines[testIndex], testTitles[testIndex]);
+ collect_bounds = false;
+ if (focusXmin < focusXmax && focusYmin < focusYmax) {
+ setScale(focusXmin, focusXmax, focusYmin, focusYmax);
+ }
+ }
+ ctx.beginPath();
+ ctx.fillStyle = "white";
+ ctx.rect(0, 0, screenWidth, screenHeight);
+ ctx.fill();
+ draw(tests[testIndex], testLines[testIndex], testTitles[testIndex]);
+}
+
+function dumpCurvePartial(test, id, t0, t1) {
+ var curve = curveByID(test, id);
+ var name = ["line", "quad", "cubic"][curve.length / 2 - 2];
+ console.log("id=" + id + " " + name + "=" + curveToString(curve)
+ + " t0=" + t0 + " t1=" + t1
+ + " partial=" + curveToString(curvePartialByID(test, id, t0, t1)));
+}
+
+function dumpAngleTest(test, id, t0, t1) {
+ var curve = curveByID(test, id);
+ console.log(" { {" + curveToString(curve) + "}, "
+ + curve.length / 2 + ", " + t0 + ", " + t1 + ", {} }, //");
+}
+
+function dumpLogToConsole() {
+ if (logStart < 0) {
+ return;
+ }
+ var test = tests[testIndex];
+ var recType = REC_TYPE_UNKNOWN;
+ var records;
+ for (var index = 0; index < test.length; index += 3) {
+ var lastLineNo = test[index + 1];
+ if (lastLineNo >= logStart && lastLineNo < logStart + logRange) {
+ recType = test[index];
+ records = test[index + 2];
+ break;
+ }
+ }
+ if (recType == REC_TYPE_UNKNOWN) {
+ return;
+ }
+ var lines = testLines[testIndex];
+ for (var idx = 0; idx < logRange; ++idx) {
+ var line = lines[logStart + idx];
+ console.log(line);
+ for (var recordIndex = 0; recordIndex < records.length; recordIndex += 2) {
+ var fragType = records[recordIndex];
+ var frags = records[recordIndex + 1];
+ if (recType == REC_TYPE_ANGLE && fragType == ANGLE_AFTER) {
+ dumpCurvePartial(test, frags[0], frags[3], frags[4]);
+ dumpCurvePartial(test, frags[5], frags[8], frags[9]);
+ dumpCurvePartial(test, frags[10], frags[13], frags[14]);
+ console.log("\nstatic IntersectData intersectDataSet[] = {");
+ dumpAngleTest(test, frags[0], frags[3], frags[4]);
+ dumpAngleTest(test, frags[5], frags[8], frags[9]);
+ dumpAngleTest(test, frags[10], frags[13], frags[14]);
+ console.log("};");
+ } else if (recType == REC_TYPE_ANGLE && fragType == ANGLE_AFTER2) {
+ dumpCurvePartial(test, frags[0], frags[4], frags[5]);
+ dumpCurvePartial(test, frags[6], frags[10], frags[11]);
+ dumpCurvePartial(test, frags[12], frags[16], frags[17]);
+ console.log("\nstatic IntersectData intersectDataSet[] = { //");
+ dumpAngleTest(test, frags[0], frags[4], frags[5]);
+ dumpAngleTest(test, frags[6], frags[10], frags[11]);
+ dumpAngleTest(test, frags[12], frags[16], frags[17]);
+ console.log("}; //");
+ }
+ }
+ }
+}
+
+var activeKey = 'a';
+var pathKey = 'b';
+var pathBackKey = 'B';
+var centerKey = 'c';
+var addKey = 'd';
+var deriviativesKey = 'f';
+var angleKey = 'g';
+var angleBackKey = 'G';
+var hodoKey = 'h';
+var intersectionKey = 'i';
+var intersectionBackKey = 'I';
+var sequenceKey = 'j';
+var midpointKey = 'k';
+var logKey = 'l';
+var logToConsoleKey = 'L';
+var markKey = 'm';
+var sortKey = 'o';
+var opKey = 'p';
+var opBackKey = 'P';
+var computedKey = 'q';
+var computedBackKey = 'Q';
+var stepKey = 's';
+var stepBackKey = 'S';
+var intersectTKey = 't';
+var curveTKey = 'u';
+var controlLinesBackKey = 'V';
+var controlLinesKey = 'v';
+var ptsKey = 'x';
+var xyKey = 'y';
+var logCurvesKey = 'z';
+var focusKey = '`';
+var idKey = '.';
+var retinaKey = '\\';
+
+function doKeyPress(evt) {
+ var char = String.fromCharCode(evt.charCode);
+ var focusWasOn = false;
+ switch (char) {
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ decimal_places = char - '0';
+ redraw();
+ break;
+ case activeKey:
+ draw_active ^= true;
+ redraw();
+ break;
+ case addKey:
+ draw_add ^= true;
+ redraw();
+ break;
+ case angleKey:
+ draw_angle = (draw_angle + 1) % 3;
+ redraw();
+ break;
+ case angleBackKey:
+ draw_angle = (draw_angle + 2) % 3;
+ redraw();
+ break;
+ case centerKey:
+ setScale(xmin, xmax, ymin, ymax);
+ redraw();
+ break;
+ case controlLinesBackKey:
+ control_lines = (control_lines + 3) % 4;
+ redraw();
+ break;
+ case controlLinesKey:
+ control_lines = (control_lines + 1) % 4;
+ redraw();
+ break;
+ case computedBackKey:
+ draw_computed = (draw_computed + 5) % 6;
+ redraw();
+ break;
+ case computedKey:
+ draw_computed = (draw_computed + 1) % 6;
+ redraw();
+ break;
+ case curveTKey:
+ curve_t ^= true;
+ if (curve_t) {
+ draw_legend = true;
+ }
+ redraw();
+ break;
+ case deriviativesKey:
+ draw_deriviatives = (draw_deriviatives + 1) % 3;
+ redraw();
+ break;
+ case focusKey:
+ focus_on_selection ^= true;
+ setScale(xmin, xmax, ymin, ymax);
+ redraw();
+ break;
+ case hodoKey:
+ draw_hodo = (draw_hodo + 1) % 4;
+ redraw();
+ break;
+ case idKey:
+ draw_id ^= true;
+ redraw();
+ break;
+ case intersectionBackKey:
+ draw_intersection = (draw_intersection + 3) % 4;
+ redraw();
+ break;
+ case intersectionKey:
+ draw_intersection = (draw_intersection + 1) % 4;
+ redraw();
+ break;
+ case intersectTKey:
+ draw_intersectT ^= true;
+ redraw();
+ break;
+ case logCurvesKey:
+ logCurves(tests[testIndex]);
+ break;
+ case logKey:
+ draw_log ^= true;
+ redraw();
+ break;
+ case logToConsoleKey:
+ if (draw_log) {
+ dumpLogToConsole();
+ }
+ break;
+ case markKey:
+ draw_mark ^= true;
+ redraw();
+ break;
+ case midpointKey:
+ draw_midpoint ^= true;
+ redraw();
+ break;
+ case opKey:
+ draw_op = (draw_op + 1) % 3;
+ redraw();
+ break;
+ case opBackKey:
+ draw_op = (draw_op + 2) % 3;
+ redraw();
+ break;
+ case pathKey:
+ draw_path = (draw_path + 1) % 4;
+ redraw();
+ break;
+ case pathBackKey:
+ draw_path = (draw_path + 3) % 4;
+ redraw();
+ break;
+ case ptsKey:
+ pt_labels = (pt_labels + 1) % 3;
+ redraw();
+ break;
+ case retinaKey:
+ retina_scale ^= true;
+ drawTop();
+ break;
+ case sequenceKey:
+ draw_sequence ^= true;
+ redraw();
+ break;
+ case sortKey:
+ draw_sort = (draw_sort + 1) % 3;
+ drawTop();
+ break;
+ case stepKey:
+ step_limit++;
+ if (step_limit > stepMax) {
+ step_limit = stepMax;
+ }
+ redraw();
+ break;
+ case stepBackKey:
+ step_limit--;
+ if (step_limit < 0) {
+ step_limit = 0;
+ }
+ redraw();
+ break;
+ case xyKey:
+ debug_xy = (debug_xy + 1) % 3;
+ redraw();
+ break;
+ case '-':
+ focusWasOn = focus_on_selection;
+ if (focusWasOn) {
+ focus_on_selection = false;
+ scale /= 1.2;
+ } else {
+ scale /= 2;
+ calcLeftTop();
+ }
+ redraw();
+ focus_on_selection = focusWasOn;
+ break;
+ case '=':
+ case '+':
+ focusWasOn = focus_on_selection;
+ if (focusWasOn) {
+ focus_on_selection = false;
+ scale *= 1.2;
+ } else {
+ scale *= 2;
+ calcLeftTop();
+ }
+ redraw();
+ focus_on_selection = focusWasOn;
+ break;
+ case '?':
+ draw_hints ^= true;
+ if (draw_hints && !draw_legend) {
+ draw_legend = true;
+ }
+ redraw();
+ break;
+ case '/':
+ draw_legend ^= true;
+ redraw();
+ break;
+ }
+}
+
+function doKeyDown(evt) {
+ var char = evt.keyCode;
+ var preventDefault = false;
+ switch (char) {
+ case 37: // left arrow
+ if (evt.shiftKey) {
+ testIndex -= 9;
+ }
+ if (--testIndex < 0)
+ testIndex = tests.length - 1;
+ drawTop();
+ preventDefault = true;
+ break;
+ case 39: // right arrow
+ if (evt.shiftKey) {
+ testIndex += 9;
+ }
+ if (++testIndex >= tests.length)
+ testIndex = 0;
+ drawTop();
+ preventDefault = true;
+ break;
+ }
+ if (preventDefault) {
+ evt.preventDefault();
+ return false;
+ }
+ return true;
+}
+
+(function() {
+ var hidden = "hidden";
+
+ // Standards:
+ if (hidden in document)
+ document.addEventListener("visibilitychange", onchange);
+ else if ((hidden = "mozHidden") in document)
+ document.addEventListener("mozvisibilitychange", onchange);
+ else if ((hidden = "webkitHidden") in document)
+ document.addEventListener("webkitvisibilitychange", onchange);
+ else if ((hidden = "msHidden") in document)
+ document.addEventListener("msvisibilitychange", onchange);
+ // IE 9 and lower:
+ else if ('onfocusin' in document)
+ document.onfocusin = document.onfocusout = onchange;
+ // All others:
+ else
+ window.onpageshow = window.onpagehide
+ = window.onfocus = window.onblur = onchange;
+
+ function onchange (evt) {
+ var v = 'visible', h = 'hidden',
+ evtMap = {
+ focus:v, focusin:v, pageshow:v, blur:h, focusout:h, pagehide:h
+ };
+
+ evt = evt || window.event;
+ if (evt.type in evtMap)
+ document.body.className = evtMap[evt.type];
+ else
+ document.body.className = this[hidden] ? "hidden" : "visible";
+ }
+})();
+
+function calcXY() {
+ var e = window.event;
+ var tgt = e.target || e.srcElement;
+ var left = tgt.offsetLeft;
+ var top = tgt.offsetTop;
+ mouseX = (e.clientX - left) / scale + srcLeft;
+ mouseY = (e.clientY - top) / scale + srcTop;
+}
+
+function calcLeftTop() {
+ srcLeft = mouseX - screenWidth / 2 / scale;
+ srcTop = mouseY - screenHeight / 2 / scale;
+}
+
+var disableClick = false;
+
+function handleMouseClick() {
+ if (disableClick) {
+ return;
+ }
+ if (!curve_t || !ptInTControl()) {
+ calcXY();
+ calcLeftTop();
+ }
+ redraw();
+// if (!curve_t || !ptInTControl()) {
+// mouseX = screenWidth / 2 / scale + srcLeft;
+// mouseY = screenHeight / 2 / scale + srcTop;
+// }
+}
+
+function handleMouseOver() {
+ calcXY();
+ if (debug_xy != 2) {
+ return;
+ }
+ var num = mouseX.toFixed(decimal_places) + ", " + mouseY.toFixed(decimal_places);
+ ctx.beginPath();
+ ctx.rect(300,100,num.length * 6,10);
+ ctx.fillStyle="white";
+ ctx.fill();
+ ctx.font = "normal 10px Arial";
+ ctx.fillStyle="black";
+ ctx.textAlign = "left";
+ ctx.fillText(num, 300, 108);
+}
+
+function start() {
+ for (var i = 0; i < testDivs.length; ++i) {
+ tests[i] = null;
+ }
+ testIndex = 0;
+ drawTop();
+ window.addEventListener('keypress', doKeyPress, true);
+ window.addEventListener('keydown', doKeyDown, true);
+ window.onresize = function() {
+ drawTop();
+ }
+ /*
+ window.onpagehide = function() {
+ disableClick = true;
+ }
+ */
+ window.onpageshow = function () {
+ disableClick = false;
+ }
+}
+
+</script>
+</head>
+
+<body onLoad="start();">
+<canvas id="canvas" width="750" height="500"
+ onmousemove="handleMouseOver()"
+ onclick="handleMouseClick()"
+ ></canvas >
+</body>
+</html>
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