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Unified Diff: src/pathops/SkPathOpsTriangle.cpp

Issue 1002693002: pathops version two (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: fix arm 64 inspired coincident handling Created 5 years, 9 months ago
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Index: src/pathops/SkPathOpsTriangle.cpp
diff --git a/src/pathops/SkPathOpsTriangle.cpp b/src/pathops/SkPathOpsTriangle.cpp
deleted file mode 100644
index 77845e067309cd3d83f772f7dc8c0368abf6cecb..0000000000000000000000000000000000000000
--- a/src/pathops/SkPathOpsTriangle.cpp
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Copyright 2012 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkPathOpsTriangle.h"
-
-// http://www.blackpawn.com/texts/pointinpoly/default.html
-// return true if pt is inside triangle; false if outside or on the line
-bool SkDTriangle::contains(const SkDPoint& pt) const {
-// Compute vectors
- SkDVector v0 = fPts[2] - fPts[0];
- SkDVector v1 = fPts[1] - fPts[0];
- SkDVector v2 = pt - fPts[0];
-
-// Compute dot products
- double dot00 = v0.dot(v0);
- double dot01 = v0.dot(v1);
- double dot02 = v0.dot(v2);
- double dot11 = v1.dot(v1);
- double dot12 = v1.dot(v2);
-
-// original code doesn't handle degenerate input; isn't symmetric with inclusion of corner pts;
-// introduces error with divide; doesn't short circuit on early answer
-#if 0
-// Compute barycentric coordinates
- double invDenom = 1 / (dot00 * dot11 - dot01 * dot01);
- double u = (dot11 * dot02 - dot01 * dot12) * invDenom;
- double v = (dot00 * dot12 - dot01 * dot02) * invDenom;
-
-// Check if point is in triangle
- return (u >= 0) && (v >= 0) && (u + v <= 1);
-#else
- double w = dot00 * dot11 - dot01 * dot01;
- if (w == 0) {
- return false;
- }
- double wSign = w < 0 ? -1 : 1;
- double u = (dot11 * dot02 - dot01 * dot12) * wSign;
- if (u <= 0) {
- return false;
- }
- double v = (dot00 * dot12 - dot01 * dot02) * wSign;
- if (v <= 0) {
- return false;
- }
- return u + v < w * wSign;
-#endif
-}
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