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| 1 /* | |
| 2 * Copyright 2012 Google Inc. | |
| 3 * | |
| 4 * Use of this source code is governed by a BSD-style license that can be | |
| 5 * found in the LICENSE file. | |
| 6 */ | |
| 7 | |
| 8 #define DEBUG_TEST 1 | |
| 9 | |
| 10 #include "Simplify.h" | |
| 11 | |
| 12 namespace SimplifyFindNextTest { | |
| 13 | |
| 14 #include "Simplify.cpp" | |
| 15 | |
| 16 } // end of SimplifyFindNextTest namespace | |
| 17 | |
| 18 #include "Intersection_Tests.h" | |
| 19 | |
| 20 static const SimplifyFindNextTest::Segment* testCommon( | |
| 21 int contourWinding, int spanWinding, int startIndex, int endIndex, | |
| 22 SkTArray<SimplifyFindNextTest::Contour>& contours) { | |
| 23 SkTDArray<SimplifyFindNextTest::Contour*> contourList; | |
| 24 makeContourList(contours, contourList, false, false); | |
| 25 addIntersectTs(contourList[0], contourList[0]); | |
| 26 if (contours.count() > 1) { | |
| 27 SkASSERT(contours.count() == 2); | |
| 28 addIntersectTs(contourList[0], contourList[1]); | |
| 29 addIntersectTs(contourList[1], contourList[1]); | |
| 30 } | |
| 31 fixOtherTIndex(contourList); | |
| 32 SimplifyFindNextTest::Segment& segment = contours[0].debugSegments()[0]; | |
| 33 SkPoint pts[2]; | |
| 34 pts[0] = segment.xyAtT(&segment.span(endIndex)); | |
| 35 int nextStart = startIndex; | |
| 36 int nextEnd = endIndex; | |
| 37 SkTDArray<SimplifyFindNextTest::Span*> chaseArray; | |
| 38 bool unsortable = false; | |
| 39 SimplifyFindNextTest::Segment* next = segment.findNextWinding(chaseArray, | |
| 40 nextStart, nextEnd, unsortable); | |
| 41 pts[1] = next->xyAtT(&next->span(nextStart)); | |
| 42 SkASSERT(pts[0] == pts[1]); | |
| 43 return next; | |
| 44 } | |
| 45 | |
| 46 static void test(const SkPath& path) { | |
| 47 SkTArray<SimplifyFindNextTest::Contour> contours; | |
| 48 SimplifyFindNextTest::EdgeBuilder builder(path, contours); | |
| 49 int contourWinding = 0; | |
| 50 int spanWinding = 1; | |
| 51 int start = 0; | |
| 52 int end = 1; | |
| 53 testCommon(contourWinding, spanWinding, start, end, contours); | |
| 54 } | |
| 55 | |
| 56 static void test(const SkPath& path, int start, int end) { | |
| 57 SkTArray<SimplifyFindNextTest::Contour> contours; | |
| 58 SimplifyFindNextTest::EdgeBuilder builder(path, contours); | |
| 59 int contourWinding = 0; | |
| 60 int spanWinding = 1; | |
| 61 testCommon(contourWinding, spanWinding, start, end, contours); | |
| 62 } | |
| 63 | |
| 64 static void testLine1() { | |
| 65 SkPath path; | |
| 66 path.moveTo(2,0); | |
| 67 path.lineTo(1,1); | |
| 68 path.lineTo(0,0); | |
| 69 path.close(); | |
| 70 test(path); | |
| 71 } | |
| 72 | |
| 73 static void addInnerCWTriangle(SkPath& path) { | |
| 74 path.moveTo(3,0); | |
| 75 path.lineTo(4,1); | |
| 76 path.lineTo(2,1); | |
| 77 path.close(); | |
| 78 } | |
| 79 | |
| 80 #if DEBUG_UNUSED | |
| 81 static void addInnerCCWTriangle(SkPath& path) { | |
| 82 path.moveTo(3,0); | |
| 83 path.lineTo(2,1); | |
| 84 path.lineTo(4,1); | |
| 85 path.close(); | |
| 86 } | |
| 87 #endif | |
| 88 | |
| 89 static void addOuterCWTriangle(SkPath& path) { | |
| 90 path.moveTo(3,0); | |
| 91 path.lineTo(6,2); | |
| 92 path.lineTo(0,2); | |
| 93 path.close(); | |
| 94 } | |
| 95 | |
| 96 #if DEBUG_UNUSED | |
| 97 static void addOuterCCWTriangle(SkPath& path) { | |
| 98 path.moveTo(3,0); | |
| 99 path.lineTo(0,2); | |
| 100 path.lineTo(6,2); | |
| 101 path.close(); | |
| 102 } | |
| 103 #endif | |
| 104 | |
| 105 static void testLine2() { | |
| 106 SkPath path; | |
| 107 addInnerCWTriangle(path); | |
| 108 addOuterCWTriangle(path); | |
| 109 test(path, 0, 3); | |
| 110 } | |
| 111 | |
| 112 static void testLine3() { | |
| 113 SkPath path; | |
| 114 addInnerCWTriangle(path); | |
| 115 addOuterCWTriangle(path); | |
| 116 test(path, 3, 0); | |
| 117 } | |
| 118 | |
| 119 static void testLine4() { | |
| 120 SkPath path; | |
| 121 addInnerCWTriangle(path); | |
| 122 addOuterCWTriangle(path); | |
| 123 test(path, 3, 2); | |
| 124 } | |
| 125 | |
| 126 static void (*tests[])() = { | |
| 127 testLine1, | |
| 128 testLine2, | |
| 129 testLine3, | |
| 130 testLine4, | |
| 131 }; | |
| 132 | |
| 133 static const size_t testCount = sizeof(tests) / sizeof(tests[0]); | |
| 134 | |
| 135 static void (*firstTest)() = 0; | |
| 136 static bool skipAll = false; | |
| 137 | |
| 138 void SimplifyFindNext_Test() { | |
| 139 if (skipAll) { | |
| 140 return; | |
| 141 } | |
| 142 size_t index = 0; | |
| 143 if (firstTest) { | |
| 144 while (index < testCount && tests[index] != firstTest) { | |
| 145 ++index; | |
| 146 } | |
| 147 } | |
| 148 bool firstTestComplete = false; | |
| 149 for ( ; index < testCount; ++index) { | |
| 150 (*tests[index])(); | |
| 151 firstTestComplete = true; | |
| 152 } | |
| 153 } | |
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