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| 1 /* | 1 /* |
| 2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 Google Inc. |
| 3 * | 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
| 6 */ | 6 */ |
| 7 #include "PathOpsTestCommon.h" | 7 #include "PathOpsTestCommon.h" |
| 8 #include "SkLineParameters.h" | 8 #include "SkLineParameters.h" |
| 9 #include "Test.h" | 9 #include "Test.h" |
| 10 | 10 |
| 11 // tests to verify that distance calculations are coded correctly | 11 // tests to verify that distance calculations are coded correctly |
| 12 static const SkDCubic tests[] = { | 12 static const CubicPts tests[] = { |
| 13 {{{0, 0}, {1, 1}, {2, 2}, {0, 3}}}, | 13 {{{0, 0}, {1, 1}, {2, 2}, {0, 3}}}, |
| 14 {{{0, 0}, {1, 1}, {2, 2}, {3, 0}}}, | 14 {{{0, 0}, {1, 1}, {2, 2}, {3, 0}}}, |
| 15 {{{0, 0}, {5, 0}, {-2, 4}, {3, 4}}}, | 15 {{{0, 0}, {5, 0}, {-2, 4}, {3, 4}}}, |
| 16 {{{0, 2}, {1, 0}, {2, 0}, {3, 0}}}, | 16 {{{0, 2}, {1, 0}, {2, 0}, {3, 0}}}, |
| 17 {{{0, .2}, {1, 0}, {2, 0}, {3, 0}}}, | 17 {{{0, .2}, {1, 0}, {2, 0}, {3, 0}}}, |
| 18 {{{0, .02}, {1, 0}, {2, 0}, {3, 0}}}, | 18 {{{0, .02}, {1, 0}, {2, 0}, {3, 0}}}, |
| 19 {{{0, .002}, {1, 0}, {2, 0}, {3, 0}}}, | 19 {{{0, .002}, {1, 0}, {2, 0}, {3, 0}}}, |
| 20 {{{0, .0002}, {1, 0}, {2, 0}, {3, 0}}}, | 20 {{{0, .0002}, {1, 0}, {2, 0}, {3, 0}}}, |
| 21 {{{0, .00002}, {1, 0}, {2, 0}, {3, 0}}}, | 21 {{{0, .00002}, {1, 0}, {2, 0}, {3, 0}}}, |
| 22 {{{0, FLT_EPSILON * 2}, {1, 0}, {2, 0}, {3, 0}}}, | 22 {{{0, FLT_EPSILON * 2}, {1, 0}, {2, 0}, {3, 0}}}, |
| (...skipping 10 matching lines...) Expand all Loading... |
| 33 {0.000133333333, 6.666666652e-05}, | 33 {0.000133333333, 6.666666652e-05}, |
| 34 {1.333333333e-05, 6.666666667e-06}, | 34 {1.333333333e-05, 6.666666667e-06}, |
| 35 {1.5894571940104115e-07, 7.9472859700520577e-08}, | 35 {1.5894571940104115e-07, 7.9472859700520577e-08}, |
| 36 }; | 36 }; |
| 37 | 37 |
| 38 static const size_t tests_count = SK_ARRAY_COUNT(tests); | 38 static const size_t tests_count = SK_ARRAY_COUNT(tests); |
| 39 | 39 |
| 40 DEF_TEST(PathOpsLineParameters, reporter) { | 40 DEF_TEST(PathOpsLineParameters, reporter) { |
| 41 for (size_t index = 0; index < tests_count; ++index) { | 41 for (size_t index = 0; index < tests_count; ++index) { |
| 42 SkLineParameters lineParameters; | 42 SkLineParameters lineParameters; |
| 43 const SkDCubic& cubic = tests[index]; | 43 const CubicPts& c = tests[index]; |
| 44 SkDCubic cubic; |
| 45 cubic.debugSet(c.fPts); |
| 44 SkASSERT(ValidCubic(cubic)); | 46 SkASSERT(ValidCubic(cubic)); |
| 45 lineParameters.cubicEndPoints(cubic, 0, 3); | 47 lineParameters.cubicEndPoints(cubic, 0, 3); |
| 46 double denormalizedDistance[2]; | 48 double denormalizedDistance[2]; |
| 47 denormalizedDistance[0] = lineParameters.controlPtDistance(cubic, 1); | 49 denormalizedDistance[0] = lineParameters.controlPtDistance(cubic, 1); |
| 48 denormalizedDistance[1] = lineParameters.controlPtDistance(cubic, 2); | 50 denormalizedDistance[1] = lineParameters.controlPtDistance(cubic, 2); |
| 49 double normalSquared = lineParameters.normalSquared(); | 51 double normalSquared = lineParameters.normalSquared(); |
| 50 size_t inner; | 52 size_t inner; |
| 51 for (inner = 0; inner < 2; ++inner) { | 53 for (inner = 0; inner < 2; ++inner) { |
| 52 double distSq = denormalizedDistance[inner]; | 54 double distSq = denormalizedDistance[inner]; |
| 53 distSq *= distSq; | 55 distSq *= distSq; |
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| 70 if (AlmostEqualUlps(fabs(normalizedDistance[inner]), answers[index][
inner])) { | 72 if (AlmostEqualUlps(fabs(normalizedDistance[inner]), answers[index][
inner])) { |
| 71 continue; | 73 continue; |
| 72 } | 74 } |
| 73 SkDebugf("%s [%d,%d] normalizedDistance:%1.9g != answer:%g\n", | 75 SkDebugf("%s [%d,%d] normalizedDistance:%1.9g != answer:%g\n", |
| 74 __FUNCTION__, static_cast<int>(index), (int)inner, | 76 __FUNCTION__, static_cast<int>(index), (int)inner, |
| 75 normalizedDistance[inner], answers[index][inner]); | 77 normalizedDistance[inner], answers[index][inner]); |
| 76 REPORTER_ASSERT(reporter, 0); | 78 REPORTER_ASSERT(reporter, 0); |
| 77 } | 79 } |
| 78 } | 80 } |
| 79 } | 81 } |
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