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 #include "PathOpsQuadIntersectionTestData.h"
8 #include "SkIntersections.h"
9 #include "SkPathOpsRect.h"
10 #include "SkReduceOrder.h"
11 #include "Test.h"
12
13 static const SkDQuad testSet[] = {
14 {{{1, 1}, {2, 2}, {1, 1.000003}}},
15 {{{1, 0}, {2, 6}, {3, 0}}}
16 };
17
18 static const size_t testSetCount = SK_ARRAY_COUNT(testSet);
19
oneOffTest(skiatest::Reporter * reporter)20 static void oneOffTest(skiatest::Reporter* reporter) {
21 for (size_t index = 0; index < testSetCount; ++index) {
22 const SkDQuad& quad = testSet[index];
23 SkReduceOrder reducer;
24 SkDEBUGCODE(int result = ) reducer.reduce(quad);
25 SkASSERT(result == 3);
26 }
27 }
28
standardTestCases(skiatest::Reporter * reporter)29 static void standardTestCases(skiatest::Reporter* reporter) {
30 size_t index;
31 SkReduceOrder reducer;
32 int order;
33 enum {
34 RunAll,
35 RunQuadraticLines,
36 RunQuadraticModLines,
37 RunNone
38 } run = RunAll;
39 int firstTestIndex = 0;
40 #if 0
41 run = RunQuadraticLines;
42 firstTestIndex = 1;
43 #endif
44 int firstQuadraticLineTest = run == RunAll ? 0 : run == RunQuadraticLines ? firstTestIndex
45 : SK_MaxS32;
46 int firstQuadraticModLineTest = run == RunAll ? 0 : run == RunQuadraticModLines ? firstTestIndex
47 : SK_MaxS32;
48
49 for (index = firstQuadraticLineTest; index < quadraticLines_count; ++index) {
50 const SkDQuad& quad = quadraticLines[index];
51 order = reducer.reduce(quad);
52 if (order != 2) {
53 SkDebugf("[%d] line quad order=%d\n", (int) index, order);
54 }
55 }
56 for (index = firstQuadraticModLineTest; index < quadraticModEpsilonLines_count; ++index) {
57 const SkDQuad& quad = quadraticModEpsilonLines[index];
58 order = reducer.reduce(quad);
59 if (order != 2 && order != 3) { // FIXME: data probably is not good
60 SkDebugf("[%d] line mod quad order=%d\n", (int) index, order);
61 }
62 }
63 }
64
DEF_TEST(PathOpsReduceOrderQuad,reporter)65 DEF_TEST(PathOpsReduceOrderQuad, reporter) {
66 oneOffTest(reporter);
67 standardTestCases(reporter);
68 }
69