bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 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 | #include <initializer_list> |
| 9 | #include <functional> |
| 10 | #include "Test.h" |
| 11 | #if SK_SUPPORT_GPU |
| 12 | #include "GrShape.h" |
bsalomon | 9fb4203 | 2016-05-13 09:23:38 -0700 | [diff] [blame] | 13 | #include "SkCanvas.h" |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 14 | #include "SkDashPathEffect.h" |
bsalomon | 9fb4203 | 2016-05-13 09:23:38 -0700 | [diff] [blame] | 15 | #include "SkPath.h" |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 16 | #include "SkPathOps.h" |
bsalomon | 9fb4203 | 2016-05-13 09:23:38 -0700 | [diff] [blame] | 17 | #include "SkSurface.h" |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 18 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 19 | using Key = SkTArray<uint32_t>; |
| 20 | |
| 21 | static bool make_key(Key* key, const GrShape& shape) { |
| 22 | int size = shape.unstyledKeySize(); |
| 23 | if (size <= 0) { |
| 24 | key->reset(0); |
| 25 | return false; |
| 26 | } |
| 27 | SkASSERT(size); |
| 28 | key->reset(size); |
| 29 | shape.writeUnstyledKey(key->begin()); |
| 30 | return true; |
| 31 | } |
| 32 | |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 33 | static bool paths_fill_same(const SkPath& a, const SkPath& b) { |
| 34 | SkPath pathXor; |
| 35 | Op(a, b, SkPathOp::kXOR_SkPathOp, &pathXor); |
| 36 | return pathXor.isEmpty(); |
| 37 | } |
| 38 | |
bsalomon | 9fb4203 | 2016-05-13 09:23:38 -0700 | [diff] [blame] | 39 | static bool test_bounds_by_rasterizing(const SkPath& path, const SkRect& bounds) { |
| 40 | static constexpr int kRes = 2000; |
| 41 | // This tolerance is in units of 1/kRes fractions of the bounds width/height. |
| 42 | static constexpr int kTol = 0; |
| 43 | GR_STATIC_ASSERT(kRes % 4 == 0); |
| 44 | SkImageInfo info = SkImageInfo::MakeA8(kRes, kRes); |
| 45 | sk_sp<SkSurface> surface = SkSurface::MakeRaster(info); |
| 46 | surface->getCanvas()->clear(0x0); |
| 47 | SkRect clip = SkRect::MakeXYWH(kRes/4, kRes/4, kRes/2, kRes/2); |
| 48 | SkMatrix matrix; |
| 49 | matrix.setRectToRect(bounds, clip, SkMatrix::kFill_ScaleToFit); |
| 50 | clip.outset(SkIntToScalar(kTol), SkIntToScalar(kTol)); |
| 51 | surface->getCanvas()->clipRect(clip, SkRegion::kDifference_Op); |
| 52 | surface->getCanvas()->concat(matrix); |
| 53 | SkPaint whitePaint; |
| 54 | whitePaint.setColor(SK_ColorWHITE); |
| 55 | surface->getCanvas()->drawPath(path, whitePaint); |
| 56 | SkPixmap pixmap; |
| 57 | surface->getCanvas()->peekPixels(&pixmap); |
| 58 | #if defined(SK_BUILD_FOR_WIN) |
| 59 | // The static constexpr version in #else causes cl.exe to crash. |
| 60 | const uint8_t* kZeros = reinterpret_cast<uint8_t*>(calloc(kRes, 1)); |
| 61 | #else |
| 62 | static constexpr uint8_t kZeros[kRes] = {0}; |
| 63 | #endif |
| 64 | for (int y = 0; y < kRes/4; ++y) { |
| 65 | const uint8_t* row = pixmap.addr8(0, y); |
| 66 | if (0 != memcmp(kZeros, row, kRes)) { |
| 67 | return false; |
| 68 | } |
| 69 | } |
| 70 | #ifdef SK_BUILD_FOR_WIN |
| 71 | free(const_cast<uint8_t*>(kZeros)); |
| 72 | #endif |
| 73 | return true; |
| 74 | } |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 75 | |
bsalomon | 9fb4203 | 2016-05-13 09:23:38 -0700 | [diff] [blame] | 76 | namespace { |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 77 | class TestCase { |
| 78 | public: |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 79 | template <typename GEO> |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 80 | TestCase(const GEO& geo, const SkPaint& paint, skiatest::Reporter* r, |
| 81 | SkScalar scale = SK_Scalar1) : fBase(geo, paint) { |
| 82 | this->init(r, scale); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | struct SelfExpectations { |
| 86 | bool fPEHasEffect; |
| 87 | bool fPEHasValidKey; |
| 88 | bool fStrokeApplies; |
| 89 | }; |
| 90 | |
| 91 | void testExpectations(skiatest::Reporter* reporter, SelfExpectations expectations) const; |
| 92 | |
| 93 | enum ComparisonExpecation { |
| 94 | kAllDifferent_ComparisonExpecation, |
| 95 | kSameUpToPE_ComparisonExpecation, |
| 96 | kSameUpToStroke_ComparisonExpecation, |
| 97 | kAllSame_ComparisonExpecation, |
| 98 | }; |
| 99 | |
| 100 | void compare(skiatest::Reporter*, const TestCase& that, ComparisonExpecation) const; |
| 101 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 102 | const GrShape& baseShape() const { return fBase; } |
| 103 | const GrShape& appliedPathEffectShape() const { return fAppliedPE; } |
| 104 | const GrShape& appliedFullStyleShape() const { return fAppliedFull; } |
| 105 | |
| 106 | // The returned array's count will be 0 if the key shape has no key. |
| 107 | const Key& baseKey() const { return fBaseKey; } |
| 108 | const Key& appliedPathEffectKey() const { return fAppliedPEKey; } |
| 109 | const Key& appliedFullStyleKey() const { return fAppliedFullKey; } |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 110 | const Key& appliedPathEffectThenStrokeKey() const { return fAppliedPEThenStrokeKey; } |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 111 | |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 112 | private: |
bsalomon | 9fb4203 | 2016-05-13 09:23:38 -0700 | [diff] [blame] | 113 | static void CheckBounds(skiatest::Reporter* r, const GrShape& shape, const SkRect& bounds) { |
| 114 | SkPath path; |
| 115 | shape.asPath(&path); |
| 116 | // If the bounds are empty, the path ought to be as well. |
| 117 | if (bounds.isEmpty()) { |
| 118 | REPORTER_ASSERT(r, path.isEmpty()); |
| 119 | return; |
| 120 | } |
| 121 | if (path.isEmpty()) { |
| 122 | return; |
| 123 | } |
| 124 | REPORTER_ASSERT(r, test_bounds_by_rasterizing(path, bounds)); |
| 125 | } |
| 126 | |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 127 | void init(skiatest::Reporter* r, SkScalar scale) { |
| 128 | fAppliedPE = fBase.applyStyle(GrStyle::Apply::kPathEffectOnly, scale); |
| 129 | fAppliedPEThenStroke = fAppliedPE.applyStyle(GrStyle::Apply::kPathEffectAndStrokeRec, |
| 130 | scale); |
| 131 | fAppliedFull = fBase.applyStyle(GrStyle::Apply::kPathEffectAndStrokeRec, scale); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 132 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 133 | make_key(&fBaseKey, fBase); |
| 134 | make_key(&fAppliedPEKey, fAppliedPE); |
| 135 | make_key(&fAppliedPEThenStrokeKey, fAppliedPEThenStroke); |
| 136 | make_key(&fAppliedFullKey, fAppliedFull); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 137 | |
| 138 | // Applying the path effect and then the stroke should always be the same as applying |
| 139 | // both in one go. |
| 140 | REPORTER_ASSERT(r, fAppliedPEThenStrokeKey == fAppliedFullKey); |
| 141 | SkPath a, b; |
| 142 | fAppliedPEThenStroke.asPath(&a); |
| 143 | fAppliedFull.asPath(&b); |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 144 | // If the output of the path effect is a rrect then it is possible for a and b to be |
| 145 | // different paths that fill identically. The reason is that fAppliedFull will do this: |
| 146 | // base -> apply path effect -> rrect_as_path -> stroke -> stroked_rrect_as_path |
| 147 | // fAppliedPEThenStroke will have converted the rrect_as_path back to a rrect. However, |
| 148 | // now that there is no longer a path effect, the direction and starting index get |
| 149 | // canonicalized before the stroke. |
| 150 | if (fAppliedPE.asRRect(nullptr, nullptr, nullptr)) { |
| 151 | REPORTER_ASSERT(r, paths_fill_same(a, b)); |
| 152 | } else { |
| 153 | REPORTER_ASSERT(r, a == b); |
| 154 | } |
bsalomon | 7c73a53 | 2016-05-11 15:15:56 -0700 | [diff] [blame] | 155 | REPORTER_ASSERT(r, fAppliedFull.isEmpty() == fAppliedPEThenStroke.isEmpty()); |
| 156 | |
| 157 | SkPath path; |
| 158 | fBase.asPath(&path); |
| 159 | REPORTER_ASSERT(r, path.isEmpty() == fBase.isEmpty()); |
bsalomon | 06115ee | 2016-06-07 06:28:51 -0700 | [diff] [blame^] | 160 | REPORTER_ASSERT(r, path.getSegmentMasks() == fBase.segmentMask()); |
bsalomon | 7c73a53 | 2016-05-11 15:15:56 -0700 | [diff] [blame] | 161 | fAppliedPE.asPath(&path); |
| 162 | REPORTER_ASSERT(r, path.isEmpty() == fAppliedPE.isEmpty()); |
bsalomon | 06115ee | 2016-06-07 06:28:51 -0700 | [diff] [blame^] | 163 | REPORTER_ASSERT(r, path.getSegmentMasks() == fAppliedPE.segmentMask()); |
bsalomon | 7c73a53 | 2016-05-11 15:15:56 -0700 | [diff] [blame] | 164 | fAppliedFull.asPath(&path); |
| 165 | REPORTER_ASSERT(r, path.isEmpty() == fAppliedFull.isEmpty()); |
bsalomon | 06115ee | 2016-06-07 06:28:51 -0700 | [diff] [blame^] | 166 | REPORTER_ASSERT(r, path.getSegmentMasks() == fAppliedFull.segmentMask()); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 167 | |
bsalomon | 9fb4203 | 2016-05-13 09:23:38 -0700 | [diff] [blame] | 168 | CheckBounds(r, fBase, fBase.bounds()); |
| 169 | CheckBounds(r, fAppliedPE, fAppliedPE.bounds()); |
| 170 | CheckBounds(r, fAppliedPEThenStroke, fAppliedPEThenStroke.bounds()); |
| 171 | CheckBounds(r, fAppliedFull, fAppliedFull.bounds()); |
| 172 | SkRect styledBounds; |
| 173 | fBase.styledBounds(&styledBounds); |
| 174 | CheckBounds(r, fAppliedFull, styledBounds); |
| 175 | fAppliedPE.styledBounds(&styledBounds); |
| 176 | CheckBounds(r, fAppliedFull, styledBounds); |
| 177 | |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 178 | // Check that the same path is produced when style is applied by GrShape and GrStyle. |
| 179 | SkPath preStyle; |
| 180 | SkPath postPathEffect; |
| 181 | SkPath postAllStyle; |
| 182 | |
| 183 | fBase.asPath(&preStyle); |
bsalomon | 1a0b9ed | 2016-05-06 11:07:03 -0700 | [diff] [blame] | 184 | SkStrokeRec postPEStrokeRec(SkStrokeRec::kFill_InitStyle); |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 185 | if (fBase.style().applyPathEffectToPath(&postPathEffect, &postPEStrokeRec, preStyle, |
| 186 | scale)) { |
bsalomon | 1a0b9ed | 2016-05-06 11:07:03 -0700 | [diff] [blame] | 187 | // run postPathEffect through GrShape to get any geometry reductions that would have |
| 188 | // occurred to fAppliedPE. |
| 189 | GrShape(postPathEffect, GrStyle(postPEStrokeRec, nullptr)).asPath(&postPathEffect); |
| 190 | |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 191 | SkPath testPath; |
| 192 | fAppliedPE.asPath(&testPath); |
| 193 | REPORTER_ASSERT(r, testPath == postPathEffect); |
bsalomon | 1a0b9ed | 2016-05-06 11:07:03 -0700 | [diff] [blame] | 194 | REPORTER_ASSERT(r, postPEStrokeRec.hasEqualEffect(fAppliedPE.style().strokeRec())); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 195 | } |
| 196 | SkStrokeRec::InitStyle fillOrHairline; |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 197 | if (fBase.style().applyToPath(&postAllStyle, &fillOrHairline, preStyle, scale)) { |
bsalomon | 1a0b9ed | 2016-05-06 11:07:03 -0700 | [diff] [blame] | 198 | // run postPathEffect through GrShape to get any reductions that would have occurred |
| 199 | // to fAppliedFull. |
| 200 | GrShape(postAllStyle, GrStyle(fillOrHairline)).asPath(&postAllStyle); |
| 201 | |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 202 | SkPath testPath; |
| 203 | fAppliedFull.asPath(&testPath); |
| 204 | REPORTER_ASSERT(r, testPath == postAllStyle); |
| 205 | if (fillOrHairline == SkStrokeRec::kFill_InitStyle) { |
| 206 | REPORTER_ASSERT(r, fAppliedFull.style().isSimpleFill()); |
| 207 | } else { |
| 208 | REPORTER_ASSERT(r, fAppliedFull.style().isSimpleHairline()); |
| 209 | } |
| 210 | } |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 211 | } |
| 212 | |
| 213 | GrShape fBase; |
| 214 | GrShape fAppliedPE; |
| 215 | GrShape fAppliedPEThenStroke; |
| 216 | GrShape fAppliedFull; |
| 217 | |
| 218 | Key fBaseKey; |
| 219 | Key fAppliedPEKey; |
| 220 | Key fAppliedPEThenStrokeKey; |
| 221 | Key fAppliedFullKey; |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 222 | }; |
| 223 | |
| 224 | void TestCase::testExpectations(skiatest::Reporter* reporter, SelfExpectations expectations) const { |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 225 | // The base's key should always be valid (unless the path is volatile) |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 226 | REPORTER_ASSERT(reporter, fBaseKey.count()); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 227 | if (expectations.fPEHasEffect) { |
| 228 | REPORTER_ASSERT(reporter, fBaseKey != fAppliedPEKey); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 229 | REPORTER_ASSERT(reporter, expectations.fPEHasValidKey == SkToBool(fAppliedPEKey.count())); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 230 | REPORTER_ASSERT(reporter, fBaseKey != fAppliedFullKey); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 231 | REPORTER_ASSERT(reporter, expectations.fPEHasValidKey == SkToBool(fAppliedFullKey.count())); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 232 | if (expectations.fStrokeApplies && expectations.fPEHasValidKey) { |
| 233 | REPORTER_ASSERT(reporter, fAppliedPEKey != fAppliedFullKey); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 234 | REPORTER_ASSERT(reporter, SkToBool(fAppliedFullKey.count())); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 235 | } |
| 236 | } else { |
| 237 | REPORTER_ASSERT(reporter, fBaseKey == fAppliedPEKey); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 238 | SkPath a, b; |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 239 | fBase.asPath(&a); |
| 240 | fAppliedPE.asPath(&b); |
| 241 | REPORTER_ASSERT(reporter, a == b); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 242 | if (expectations.fStrokeApplies) { |
| 243 | REPORTER_ASSERT(reporter, fBaseKey != fAppliedFullKey); |
| 244 | } else { |
| 245 | REPORTER_ASSERT(reporter, fBaseKey == fAppliedFullKey); |
| 246 | } |
| 247 | } |
| 248 | } |
| 249 | |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 250 | void check_equivalence(skiatest::Reporter* r, const GrShape& a, const GrShape& b, |
| 251 | const Key& keyA, const Key& keyB) { |
| 252 | // GrShape only respects the input winding direction and start point for rrect shapes |
| 253 | // when there is a path effect. Thus, if there are two GrShapes representing the same rrect |
| 254 | // but one has a path effect in its style and the other doesn't then asPath() and the unstyled |
| 255 | // key will differ. GrShape will have canonicalized the direction and start point for the shape |
| 256 | // without the path effect. If *both* have path effects then they should have both preserved |
| 257 | // the direction and starting point. |
| 258 | |
| 259 | // The asRRect() output params are all initialized just to silence compiler warnings about |
| 260 | // uninitialized variables. |
| 261 | SkRRect rrectA = SkRRect::MakeEmpty(), rrectB = SkRRect::MakeEmpty(); |
| 262 | SkPath::Direction dirA = SkPath::kCW_Direction, dirB = SkPath::kCW_Direction; |
| 263 | unsigned startA = ~0U, startB = ~0U; |
| 264 | |
| 265 | bool aIsRRect = a.asRRect(&rrectA, &dirA, &startA); |
| 266 | bool bIsRRect = b.asRRect(&rrectB, &dirB, &startB); |
| 267 | bool aHasPE = a.style().hasPathEffect(); |
| 268 | bool bHasPE = b.style().hasPathEffect(); |
| 269 | bool allowSameRRectButDiffStartAndDir = (aIsRRect && bIsRRect) && (aHasPE != bHasPE); |
| 270 | SkPath pathA, pathB; |
| 271 | a.asPath(&pathA); |
| 272 | b.asPath(&pathB); |
| 273 | if (allowSameRRectButDiffStartAndDir) { |
| 274 | REPORTER_ASSERT(r, rrectA == rrectB); |
| 275 | REPORTER_ASSERT(r, paths_fill_same(pathA, pathB)); |
| 276 | } else { |
| 277 | REPORTER_ASSERT(r, pathA == pathB); |
| 278 | REPORTER_ASSERT(r, keyA == keyB); |
| 279 | REPORTER_ASSERT(r, aIsRRect == bIsRRect); |
| 280 | if (aIsRRect) { |
| 281 | REPORTER_ASSERT(r, rrectA == rrectB); |
| 282 | REPORTER_ASSERT(r, dirA == dirB); |
| 283 | REPORTER_ASSERT(r, startA == startB); |
| 284 | } |
| 285 | } |
| 286 | REPORTER_ASSERT(r, a.isEmpty() == b.isEmpty()); |
| 287 | REPORTER_ASSERT(r, a.knownToBeClosed() == b.knownToBeClosed()); |
| 288 | REPORTER_ASSERT(r, a.bounds() == b.bounds()); |
bsalomon | 06115ee | 2016-06-07 06:28:51 -0700 | [diff] [blame^] | 289 | REPORTER_ASSERT(r, a.segmentMask() == b.segmentMask()); |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 290 | } |
| 291 | |
| 292 | void TestCase::compare(skiatest::Reporter* r, const TestCase& that, |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 293 | ComparisonExpecation expectation) const { |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 294 | SkPath a, b; |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 295 | switch (expectation) { |
| 296 | case kAllDifferent_ComparisonExpecation: |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 297 | REPORTER_ASSERT(r, fBaseKey != that.fBaseKey); |
| 298 | REPORTER_ASSERT(r, fAppliedPEKey != that.fAppliedPEKey); |
| 299 | REPORTER_ASSERT(r, fAppliedFullKey != that.fAppliedFullKey); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 300 | break; |
| 301 | case kSameUpToPE_ComparisonExpecation: |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 302 | check_equivalence(r, fBase, that.fBase, fBaseKey, that.fBaseKey); |
| 303 | REPORTER_ASSERT(r, fAppliedPEKey != that.fAppliedPEKey); |
| 304 | REPORTER_ASSERT(r, fAppliedFullKey != that.fAppliedFullKey); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 305 | break; |
| 306 | case kSameUpToStroke_ComparisonExpecation: |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 307 | check_equivalence(r, fBase, that.fBase, fBaseKey, that.fBaseKey); |
| 308 | check_equivalence(r, fAppliedPE, that.fAppliedPE, fAppliedPEKey, that.fAppliedPEKey); |
| 309 | REPORTER_ASSERT(r, fAppliedFullKey != that.fAppliedFullKey); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 310 | break; |
| 311 | case kAllSame_ComparisonExpecation: |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 312 | check_equivalence(r, fBase, that.fBase, fBaseKey, that.fBaseKey); |
| 313 | check_equivalence(r, fAppliedPE, that.fAppliedPE, fAppliedPEKey, that.fAppliedPEKey); |
| 314 | check_equivalence(r, fAppliedFull, that.fAppliedFull, fAppliedFullKey, |
| 315 | that.fAppliedFullKey); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 316 | break; |
| 317 | } |
| 318 | } |
| 319 | } // namespace |
| 320 | |
| 321 | static sk_sp<SkPathEffect> make_dash() { |
| 322 | static const SkScalar kIntervals[] = { 0.25, 3.f, 0.5, 2.f }; |
| 323 | static const SkScalar kPhase = 0.75; |
| 324 | return SkDashPathEffect::Make(kIntervals, SK_ARRAY_COUNT(kIntervals), kPhase); |
| 325 | } |
| 326 | |
| 327 | static sk_sp<SkPathEffect> make_null_dash() { |
| 328 | static const SkScalar kNullIntervals[] = {0, 0, 0, 0, 0, 0}; |
| 329 | return SkDashPathEffect::Make(kNullIntervals, SK_ARRAY_COUNT(kNullIntervals), 0.f); |
| 330 | } |
| 331 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 332 | template<typename GEO> |
| 333 | static void test_basic(skiatest::Reporter* reporter, const GEO& geo) { |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 334 | sk_sp<SkPathEffect> dashPE = make_dash(); |
| 335 | |
| 336 | TestCase::SelfExpectations expectations; |
| 337 | SkPaint fill; |
| 338 | |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 339 | TestCase fillCase(geo, fill, reporter); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 340 | expectations.fPEHasEffect = false; |
| 341 | expectations.fPEHasValidKey = false; |
| 342 | expectations.fStrokeApplies = false; |
| 343 | fillCase.testExpectations(reporter, expectations); |
| 344 | // Test that another GrShape instance built from the same primitive is the same. |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 345 | TestCase(geo, fill, reporter).compare(reporter, fillCase, |
| 346 | TestCase::kAllSame_ComparisonExpecation); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 347 | |
| 348 | SkPaint stroke2RoundBevel; |
| 349 | stroke2RoundBevel.setStyle(SkPaint::kStroke_Style); |
| 350 | stroke2RoundBevel.setStrokeCap(SkPaint::kRound_Cap); |
| 351 | stroke2RoundBevel.setStrokeJoin(SkPaint::kBevel_Join); |
| 352 | stroke2RoundBevel.setStrokeWidth(2.f); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 353 | TestCase stroke2RoundBevelCase(geo, stroke2RoundBevel, reporter); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 354 | expectations.fPEHasValidKey = true; |
| 355 | expectations.fPEHasEffect = false; |
| 356 | expectations.fStrokeApplies = true; |
| 357 | stroke2RoundBevelCase.testExpectations(reporter, expectations); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 358 | TestCase(geo, stroke2RoundBevel, reporter).compare(reporter, stroke2RoundBevelCase, |
| 359 | TestCase::kAllSame_ComparisonExpecation); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 360 | |
| 361 | SkPaint stroke2RoundBevelDash = stroke2RoundBevel; |
| 362 | stroke2RoundBevelDash.setPathEffect(make_dash()); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 363 | TestCase stroke2RoundBevelDashCase(geo, stroke2RoundBevelDash, reporter); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 364 | expectations.fPEHasValidKey = true; |
| 365 | expectations.fPEHasEffect = true; |
| 366 | expectations.fStrokeApplies = true; |
| 367 | stroke2RoundBevelDashCase.testExpectations(reporter, expectations); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 368 | TestCase(geo, stroke2RoundBevelDash, reporter).compare(reporter, stroke2RoundBevelDashCase, |
| 369 | TestCase::kAllSame_ComparisonExpecation); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 370 | |
| 371 | fillCase.compare(reporter, stroke2RoundBevelCase, |
| 372 | TestCase::kSameUpToStroke_ComparisonExpecation); |
| 373 | fillCase.compare(reporter, stroke2RoundBevelDashCase, |
| 374 | TestCase::kSameUpToPE_ComparisonExpecation); |
| 375 | stroke2RoundBevelCase.compare(reporter, stroke2RoundBevelDashCase, |
| 376 | TestCase::kSameUpToPE_ComparisonExpecation); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 377 | |
bsalomon | f0cf355 | 2016-05-05 08:28:30 -0700 | [diff] [blame] | 378 | // Stroke and fill cases |
| 379 | SkPaint stroke2RoundBevelAndFill = stroke2RoundBevel; |
| 380 | stroke2RoundBevelAndFill.setStyle(SkPaint::kStrokeAndFill_Style); |
| 381 | TestCase stroke2RoundBevelAndFillCase(geo, stroke2RoundBevelAndFill, reporter); |
| 382 | expectations.fPEHasValidKey = true; |
| 383 | expectations.fPEHasEffect = false; |
| 384 | expectations.fStrokeApplies = true; |
| 385 | stroke2RoundBevelAndFillCase.testExpectations(reporter, expectations); |
| 386 | TestCase(geo, stroke2RoundBevelAndFill, reporter).compare(reporter, |
| 387 | stroke2RoundBevelAndFillCase, TestCase::kAllSame_ComparisonExpecation); |
| 388 | |
| 389 | SkPaint stroke2RoundBevelAndFillDash = stroke2RoundBevelDash; |
| 390 | stroke2RoundBevelAndFillDash.setStyle(SkPaint::kStrokeAndFill_Style); |
| 391 | TestCase stroke2RoundBevelAndFillDashCase(geo, stroke2RoundBevelAndFillDash, reporter); |
| 392 | expectations.fPEHasValidKey = true; |
| 393 | expectations.fPEHasEffect = true; |
| 394 | expectations.fStrokeApplies = true; |
| 395 | stroke2RoundBevelAndFillDashCase.testExpectations(reporter, expectations); |
| 396 | TestCase(geo, stroke2RoundBevelAndFillDash, reporter).compare( |
| 397 | reporter, stroke2RoundBevelAndFillDashCase, TestCase::kAllSame_ComparisonExpecation); |
| 398 | |
| 399 | stroke2RoundBevelAndFillCase.compare(reporter, stroke2RoundBevelCase, |
| 400 | TestCase::kSameUpToStroke_ComparisonExpecation); |
| 401 | stroke2RoundBevelAndFillDashCase.compare(reporter, stroke2RoundBevelDashCase, |
| 402 | TestCase::kSameUpToStroke_ComparisonExpecation); |
| 403 | stroke2RoundBevelAndFillCase.compare(reporter, stroke2RoundBevelAndFillDashCase, |
| 404 | TestCase::kSameUpToPE_ComparisonExpecation); |
| 405 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 406 | SkPaint hairline; |
| 407 | hairline.setStyle(SkPaint::kStroke_Style); |
| 408 | hairline.setStrokeWidth(0.f); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 409 | TestCase hairlineCase(geo, hairline, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 410 | // Since hairline style doesn't change the SkPath data, it is keyed identically to fill. |
| 411 | hairlineCase.compare(reporter, fillCase, TestCase::kAllSame_ComparisonExpecation); |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 412 | REPORTER_ASSERT(reporter, hairlineCase.baseShape().style().isSimpleHairline()); |
| 413 | REPORTER_ASSERT(reporter, hairlineCase.appliedFullStyleShape().style().isSimpleHairline()); |
| 414 | REPORTER_ASSERT(reporter, hairlineCase.appliedPathEffectShape().style().isSimpleHairline()); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 415 | } |
| 416 | |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 417 | template<typename GEO> |
| 418 | static void test_scale(skiatest::Reporter* reporter, const GEO& geo) { |
| 419 | sk_sp<SkPathEffect> dashPE = make_dash(); |
| 420 | |
| 421 | static const SkScalar kS1 = 1.f; |
| 422 | static const SkScalar kS2 = 2.f; |
| 423 | |
| 424 | SkPaint fill; |
| 425 | TestCase fillCase1(geo, fill, reporter, kS1); |
| 426 | TestCase fillCase2(geo, fill, reporter, kS2); |
| 427 | // Scale doesn't affect fills. |
| 428 | fillCase1.compare(reporter, fillCase2, TestCase::kAllSame_ComparisonExpecation); |
| 429 | |
| 430 | SkPaint hairline; |
| 431 | hairline.setStyle(SkPaint::kStroke_Style); |
| 432 | hairline.setStrokeWidth(0.f); |
| 433 | TestCase hairlineCase1(geo, hairline, reporter, kS1); |
| 434 | TestCase hairlineCase2(geo, hairline, reporter, kS2); |
| 435 | // Scale doesn't affect hairlines. |
| 436 | hairlineCase1.compare(reporter, hairlineCase2, TestCase::kAllSame_ComparisonExpecation); |
| 437 | |
| 438 | SkPaint stroke; |
| 439 | stroke.setStyle(SkPaint::kStroke_Style); |
| 440 | stroke.setStrokeWidth(2.f); |
| 441 | TestCase strokeCase1(geo, stroke, reporter, kS1); |
| 442 | TestCase strokeCase2(geo, stroke, reporter, kS2); |
| 443 | // Scale affects the stroke. |
| 444 | strokeCase1.compare(reporter, strokeCase2, TestCase::kSameUpToStroke_ComparisonExpecation); |
| 445 | |
| 446 | SkPaint strokeDash = stroke; |
| 447 | strokeDash.setPathEffect(make_dash()); |
| 448 | TestCase strokeDashCase1(geo, strokeDash, reporter, kS1); |
| 449 | TestCase strokeDashCase2(geo, strokeDash, reporter, kS2); |
| 450 | // Scale affects the dash and the stroke. |
| 451 | strokeDashCase1.compare(reporter, strokeDashCase2, TestCase::kSameUpToPE_ComparisonExpecation); |
| 452 | |
| 453 | // Stroke and fill cases |
| 454 | SkPaint strokeAndFill = stroke; |
| 455 | strokeAndFill.setStyle(SkPaint::kStrokeAndFill_Style); |
| 456 | TestCase strokeAndFillCase1(geo, strokeAndFill, reporter, kS1); |
| 457 | TestCase strokeAndFillCase2(geo, strokeAndFill, reporter, kS2); |
| 458 | // Scale affects the stroke. Though, this can wind up creating a rect when the input is a rect. |
| 459 | // In that case we wind up with a pure geometry key and the geometries are the same. |
| 460 | SkRRect rrect; |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 461 | if (strokeAndFillCase1.appliedFullStyleShape().asRRect(&rrect, nullptr, nullptr)) { |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 462 | // We currently only expect to get here in the rect->rect case. |
| 463 | REPORTER_ASSERT(reporter, rrect.isRect()); |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 464 | REPORTER_ASSERT(reporter, |
| 465 | strokeAndFillCase1.baseShape().asRRect(&rrect, nullptr, nullptr) && |
| 466 | rrect.isRect()); |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 467 | strokeAndFillCase1.compare(reporter, strokeAndFillCase2, |
| 468 | TestCase::kAllSame_ComparisonExpecation); |
| 469 | } else { |
| 470 | strokeAndFillCase1.compare(reporter, strokeAndFillCase2, |
| 471 | TestCase::kSameUpToStroke_ComparisonExpecation); |
| 472 | } |
| 473 | |
| 474 | SkPaint strokeAndFillDash = strokeDash; |
| 475 | strokeAndFillDash.setStyle(SkPaint::kStrokeAndFill_Style); |
| 476 | TestCase strokeAndFillDashCase1(geo, strokeAndFillDash, reporter, kS1); |
| 477 | TestCase strokeAndFillDashCase2(geo, strokeAndFillDash, reporter, kS2); |
| 478 | // Scale affects the path effect and stroke. |
| 479 | strokeAndFillDashCase1.compare(reporter, strokeAndFillDashCase2, |
| 480 | TestCase::kSameUpToPE_ComparisonExpecation); |
| 481 | } |
| 482 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 483 | template <typename GEO, typename T> |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 484 | static void test_stroke_param_impl(skiatest::Reporter* reporter, const GEO& geo, |
| 485 | std::function<void(SkPaint*, T)> setter, T a, T b, |
| 486 | bool paramAffectsStroke, |
| 487 | bool paramAffectsDashAndStroke) { |
| 488 | // Set the stroke width so that we don't get hairline. However, call the setter afterward so |
| 489 | // that it can override the stroke width. |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 490 | SkPaint strokeA; |
| 491 | strokeA.setStyle(SkPaint::kStroke_Style); |
| 492 | strokeA.setStrokeWidth(2.f); |
| 493 | setter(&strokeA, a); |
| 494 | SkPaint strokeB; |
| 495 | strokeB.setStyle(SkPaint::kStroke_Style); |
| 496 | strokeB.setStrokeWidth(2.f); |
| 497 | setter(&strokeB, b); |
| 498 | |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 499 | TestCase strokeACase(geo, strokeA, reporter); |
| 500 | TestCase strokeBCase(geo, strokeB, reporter); |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 501 | if (paramAffectsStroke) { |
| 502 | strokeACase.compare(reporter, strokeBCase, TestCase::kSameUpToStroke_ComparisonExpecation); |
| 503 | } else { |
| 504 | strokeACase.compare(reporter, strokeBCase, TestCase::kAllSame_ComparisonExpecation); |
| 505 | } |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 506 | |
bsalomon | f0cf355 | 2016-05-05 08:28:30 -0700 | [diff] [blame] | 507 | SkPaint strokeAndFillA = strokeA; |
| 508 | SkPaint strokeAndFillB = strokeB; |
| 509 | strokeAndFillA.setStyle(SkPaint::kStrokeAndFill_Style); |
| 510 | strokeAndFillB.setStyle(SkPaint::kStrokeAndFill_Style); |
| 511 | TestCase strokeAndFillACase(geo, strokeAndFillA, reporter); |
| 512 | TestCase strokeAndFillBCase(geo, strokeAndFillB, reporter); |
| 513 | if (paramAffectsStroke) { |
| 514 | strokeAndFillACase.compare(reporter, strokeAndFillBCase, |
| 515 | TestCase::kSameUpToStroke_ComparisonExpecation); |
| 516 | } else { |
| 517 | strokeAndFillACase.compare(reporter, strokeAndFillBCase, |
| 518 | TestCase::kAllSame_ComparisonExpecation); |
| 519 | } |
| 520 | |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 521 | // Make sure stroking params don't affect fill style. |
| 522 | SkPaint fillA = strokeA, fillB = strokeB; |
| 523 | fillA.setStyle(SkPaint::kFill_Style); |
| 524 | fillB.setStyle(SkPaint::kFill_Style); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 525 | TestCase fillACase(geo, fillA, reporter); |
| 526 | TestCase fillBCase(geo, fillB, reporter); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 527 | fillACase.compare(reporter, fillBCase, TestCase::kAllSame_ComparisonExpecation); |
| 528 | |
| 529 | // Make sure just applying the dash but not stroke gives the same key for both stroking |
| 530 | // variations. |
| 531 | SkPaint dashA = strokeA, dashB = strokeB; |
| 532 | dashA.setPathEffect(make_dash()); |
| 533 | dashB.setPathEffect(make_dash()); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 534 | TestCase dashACase(geo, dashA, reporter); |
| 535 | TestCase dashBCase(geo, dashB, reporter); |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 536 | if (paramAffectsDashAndStroke) { |
| 537 | dashACase.compare(reporter, dashBCase, TestCase::kSameUpToStroke_ComparisonExpecation); |
| 538 | } else { |
| 539 | dashACase.compare(reporter, dashBCase, TestCase::kAllSame_ComparisonExpecation); |
| 540 | } |
bsalomon | f0cf355 | 2016-05-05 08:28:30 -0700 | [diff] [blame] | 541 | |
| 542 | SkPaint dashStrokeAndFillA = dashA, dashStrokeAndFillB = dashB; |
| 543 | dashStrokeAndFillA.setStyle(SkPaint::kStrokeAndFill_Style); |
| 544 | dashStrokeAndFillB.setStyle(SkPaint::kStrokeAndFill_Style); |
| 545 | TestCase dashStrokeAndFillACase(geo, dashStrokeAndFillA, reporter); |
| 546 | TestCase dashStrokeAndFillBCase(geo, dashStrokeAndFillB, reporter); |
| 547 | if (paramAffectsDashAndStroke) { |
| 548 | dashStrokeAndFillACase.compare(reporter, dashStrokeAndFillBCase, |
| 549 | TestCase::kSameUpToStroke_ComparisonExpecation); |
| 550 | } else { |
| 551 | dashStrokeAndFillACase.compare(reporter, dashStrokeAndFillBCase, |
| 552 | TestCase::kAllSame_ComparisonExpecation); |
| 553 | } |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 554 | } |
| 555 | |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 556 | template <typename GEO, typename T> |
| 557 | static void test_stroke_param(skiatest::Reporter* reporter, const GEO& geo, |
| 558 | std::function<void(SkPaint*, T)> setter, T a, T b) { |
| 559 | test_stroke_param_impl(reporter, geo, setter, a, b, true, true); |
| 560 | }; |
| 561 | |
| 562 | template <typename GEO> |
| 563 | static void test_stroke_cap(skiatest::Reporter* reporter, const GEO& geo) { |
| 564 | GrShape shape(geo, GrStyle(SkStrokeRec::kHairline_InitStyle)); |
| 565 | // The cap should only affect shapes that may be open. |
| 566 | bool affectsStroke = !shape.knownToBeClosed(); |
| 567 | // Dashing adds ends that need caps. |
| 568 | bool affectsDashAndStroke = true; |
| 569 | test_stroke_param_impl<GEO, SkPaint::Cap>( |
| 570 | reporter, |
| 571 | geo, |
| 572 | [](SkPaint* p, SkPaint::Cap c) { p->setStrokeCap(c);}, |
| 573 | SkPaint::kButt_Cap, SkPaint::kRound_Cap, |
| 574 | affectsStroke, |
| 575 | affectsDashAndStroke); |
| 576 | }; |
| 577 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 578 | template <typename GEO> |
| 579 | static void test_miter_limit(skiatest::Reporter* reporter, const GEO& geo) { |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 580 | auto setMiterJoinAndLimit = [](SkPaint* p, SkScalar miter) { |
| 581 | p->setStrokeJoin(SkPaint::kMiter_Join); |
| 582 | p->setStrokeMiter(miter); |
| 583 | }; |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 584 | |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 585 | auto setOtherJoinAndLimit = [](SkPaint* p, SkScalar miter) { |
| 586 | p->setStrokeJoin(SkPaint::kRound_Join); |
| 587 | p->setStrokeMiter(miter); |
| 588 | }; |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 589 | |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 590 | // The miter limit should affect stroked and dashed-stroked cases when the join type is |
| 591 | // miter. |
| 592 | test_stroke_param_impl<GEO, SkScalar>( |
| 593 | reporter, |
| 594 | geo, |
| 595 | setMiterJoinAndLimit, |
| 596 | 0.5f, 0.75f, |
| 597 | true, |
| 598 | true); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 599 | |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 600 | // The miter limit should not affect stroked and dashed-stroked cases when the join type is |
| 601 | // not miter. |
| 602 | test_stroke_param_impl<GEO, SkScalar>( |
| 603 | reporter, |
| 604 | geo, |
| 605 | setOtherJoinAndLimit, |
| 606 | 0.5f, 0.75f, |
| 607 | false, |
| 608 | false); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 609 | } |
| 610 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 611 | template<typename GEO> |
| 612 | static void test_dash_fill(skiatest::Reporter* reporter, const GEO& geo) { |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 613 | // A dash with no stroke should have no effect |
| 614 | using DashFactoryFn = sk_sp<SkPathEffect>(*)(); |
| 615 | for (DashFactoryFn md : {&make_dash, &make_null_dash}) { |
| 616 | SkPaint dashFill; |
| 617 | dashFill.setPathEffect((*md)()); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 618 | TestCase dashFillCase(geo, dashFill, reporter); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 619 | |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 620 | TestCase fillCase(geo, SkPaint(), reporter); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 621 | dashFillCase.compare(reporter, fillCase, TestCase::kAllSame_ComparisonExpecation); |
| 622 | } |
| 623 | } |
| 624 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 625 | template<typename GEO> |
| 626 | void test_null_dash(skiatest::Reporter* reporter, const GEO& geo) { |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 627 | SkPaint fill; |
| 628 | SkPaint stroke; |
| 629 | stroke.setStyle(SkPaint::kStroke_Style); |
| 630 | stroke.setStrokeWidth(1.f); |
| 631 | SkPaint dash; |
| 632 | dash.setStyle(SkPaint::kStroke_Style); |
| 633 | dash.setStrokeWidth(1.f); |
| 634 | dash.setPathEffect(make_dash()); |
| 635 | SkPaint nullDash; |
| 636 | nullDash.setStyle(SkPaint::kStroke_Style); |
| 637 | nullDash.setStrokeWidth(1.f); |
| 638 | nullDash.setPathEffect(make_null_dash()); |
| 639 | |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 640 | TestCase fillCase(geo, fill, reporter); |
| 641 | TestCase strokeCase(geo, stroke, reporter); |
| 642 | TestCase dashCase(geo, dash, reporter); |
| 643 | TestCase nullDashCase(geo, nullDash, reporter); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 644 | |
| 645 | nullDashCase.compare(reporter, fillCase, TestCase::kSameUpToStroke_ComparisonExpecation); |
| 646 | nullDashCase.compare(reporter, strokeCase, TestCase::kAllSame_ComparisonExpecation); |
| 647 | nullDashCase.compare(reporter, dashCase, TestCase::kSameUpToPE_ComparisonExpecation); |
| 648 | } |
| 649 | |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 650 | template <typename GEO> |
| 651 | void test_path_effect_makes_rrect(skiatest::Reporter* reporter, const GEO& geo) { |
| 652 | /** |
| 653 | * This path effect takes any input path and turns it into a rrect. It passes through stroke |
| 654 | * info. |
| 655 | */ |
| 656 | class RRectPathEffect : SkPathEffect { |
| 657 | public: |
| 658 | static const SkRRect& RRect() { |
| 659 | static const SkRRect kRRect = SkRRect::MakeRectXY(SkRect::MakeWH(12, 12), 3, 5); |
| 660 | return kRRect; |
| 661 | } |
| 662 | |
| 663 | bool filterPath(SkPath* dst, const SkPath& src, SkStrokeRec*, |
| 664 | const SkRect* cullR) const override { |
| 665 | dst->reset(); |
| 666 | dst->addRRect(RRect()); |
| 667 | return true; |
| 668 | } |
| 669 | void computeFastBounds(SkRect* dst, const SkRect& src) const override { |
| 670 | *dst = RRect().getBounds(); |
| 671 | } |
| 672 | static sk_sp<SkPathEffect> Make() { return sk_sp<SkPathEffect>(new RRectPathEffect); } |
| 673 | Factory getFactory() const override { return nullptr; } |
| 674 | void toString(SkString*) const override {} |
| 675 | private: |
| 676 | RRectPathEffect() {} |
| 677 | }; |
| 678 | |
| 679 | SkPaint fill; |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 680 | TestCase fillGeoCase(geo, fill, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 681 | |
| 682 | SkPaint pe; |
| 683 | pe.setPathEffect(RRectPathEffect::Make()); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 684 | TestCase geoPECase(geo, pe, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 685 | |
| 686 | SkPaint peStroke; |
| 687 | peStroke.setPathEffect(RRectPathEffect::Make()); |
| 688 | peStroke.setStrokeWidth(2.f); |
| 689 | peStroke.setStyle(SkPaint::kStroke_Style); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 690 | TestCase geoPEStrokeCase(geo, peStroke, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 691 | |
| 692 | fillGeoCase.compare(reporter, geoPECase, TestCase::kSameUpToPE_ComparisonExpecation); |
| 693 | fillGeoCase.compare(reporter, geoPEStrokeCase, TestCase::kSameUpToPE_ComparisonExpecation); |
| 694 | geoPECase.compare(reporter, geoPEStrokeCase, |
| 695 | TestCase::kSameUpToStroke_ComparisonExpecation); |
| 696 | |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 697 | TestCase rrectFillCase(RRectPathEffect::RRect(), fill, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 698 | SkPaint stroke = peStroke; |
| 699 | stroke.setPathEffect(nullptr); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 700 | TestCase rrectStrokeCase(RRectPathEffect::RRect(), stroke, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 701 | |
| 702 | SkRRect rrect; |
| 703 | // Applying the path effect should make a SkRRect shape. There is no further stroking in the |
| 704 | // geoPECase, so the full style should be the same as just the PE. |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 705 | REPORTER_ASSERT(reporter, geoPECase.appliedPathEffectShape().asRRect(&rrect, nullptr, nullptr)); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 706 | REPORTER_ASSERT(reporter, rrect == RRectPathEffect::RRect()); |
| 707 | REPORTER_ASSERT(reporter, geoPECase.appliedPathEffectKey() == rrectFillCase.baseKey()); |
| 708 | |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 709 | REPORTER_ASSERT(reporter, geoPECase.appliedFullStyleShape().asRRect(&rrect, nullptr, nullptr)); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 710 | REPORTER_ASSERT(reporter, rrect == RRectPathEffect::RRect()); |
| 711 | REPORTER_ASSERT(reporter, geoPECase.appliedFullStyleKey() == rrectFillCase.baseKey()); |
| 712 | |
| 713 | // In the PE+stroke case applying the full style should be the same as just stroking the rrect. |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 714 | REPORTER_ASSERT(reporter, |
| 715 | geoPEStrokeCase.appliedPathEffectShape().asRRect(&rrect, nullptr, nullptr)); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 716 | REPORTER_ASSERT(reporter, rrect == RRectPathEffect::RRect()); |
| 717 | REPORTER_ASSERT(reporter, geoPEStrokeCase.appliedPathEffectKey() == rrectFillCase.baseKey()); |
| 718 | |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 719 | REPORTER_ASSERT(reporter, |
| 720 | !geoPEStrokeCase.appliedFullStyleShape().asRRect(&rrect, nullptr, nullptr)); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 721 | REPORTER_ASSERT(reporter, geoPEStrokeCase.appliedFullStyleKey() == |
| 722 | rrectStrokeCase.appliedFullStyleKey()); |
| 723 | } |
| 724 | |
| 725 | template <typename GEO> |
| 726 | void test_unknown_path_effect(skiatest::Reporter* reporter, const GEO& geo) { |
| 727 | /** |
| 728 | * This path effect just adds two lineTos to the input path. |
| 729 | */ |
| 730 | class AddLineTosPathEffect : SkPathEffect { |
| 731 | public: |
| 732 | bool filterPath(SkPath* dst, const SkPath& src, SkStrokeRec*, |
| 733 | const SkRect* cullR) const override { |
| 734 | *dst = src; |
| 735 | dst->lineTo(0, 0); |
| 736 | dst->lineTo(10, 10); |
| 737 | return true; |
| 738 | } |
| 739 | void computeFastBounds(SkRect* dst, const SkRect& src) const override { |
| 740 | *dst = src; |
| 741 | dst->growToInclude(0, 0); |
| 742 | dst->growToInclude(10, 10); |
| 743 | } |
| 744 | static sk_sp<SkPathEffect> Make() { return sk_sp<SkPathEffect>(new AddLineTosPathEffect); } |
| 745 | Factory getFactory() const override { return nullptr; } |
| 746 | void toString(SkString*) const override {} |
| 747 | private: |
| 748 | AddLineTosPathEffect() {} |
| 749 | }; |
| 750 | |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 751 | // This path effect should make the keys invalid when it is applied. We only produce a path |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 752 | // effect key for dash path effects. So the only way another arbitrary path effect can produce |
| 753 | // a styled result with a key is to produce a non-path shape that has a purely geometric key. |
| 754 | SkPaint peStroke; |
| 755 | peStroke.setPathEffect(AddLineTosPathEffect::Make()); |
| 756 | peStroke.setStrokeWidth(2.f); |
| 757 | peStroke.setStyle(SkPaint::kStroke_Style); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 758 | TestCase geoPEStrokeCase(geo, peStroke, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 759 | TestCase::SelfExpectations expectations; |
| 760 | expectations.fPEHasEffect = true; |
| 761 | expectations.fPEHasValidKey = false; |
| 762 | expectations.fStrokeApplies = true; |
| 763 | geoPEStrokeCase.testExpectations(reporter, expectations); |
| 764 | } |
| 765 | |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 766 | template <typename GEO> |
| 767 | void test_make_hairline_path_effect(skiatest::Reporter* reporter, const GEO& geo, bool isNonPath) { |
| 768 | /** |
| 769 | * This path effect just changes the stroke rec to hairline. |
| 770 | */ |
| 771 | class MakeHairlinePathEffect : SkPathEffect { |
| 772 | public: |
| 773 | bool filterPath(SkPath* dst, const SkPath& src, SkStrokeRec* strokeRec, |
| 774 | const SkRect* cullR) const override { |
| 775 | *dst = src; |
| 776 | strokeRec->setHairlineStyle(); |
| 777 | return true; |
| 778 | } |
| 779 | void computeFastBounds(SkRect* dst, const SkRect& src) const override { *dst = src; } |
| 780 | static sk_sp<SkPathEffect> Make() { |
| 781 | return sk_sp<SkPathEffect>(new MakeHairlinePathEffect); |
| 782 | } |
| 783 | Factory getFactory() const override { return nullptr; } |
| 784 | void toString(SkString*) const override {} |
| 785 | private: |
| 786 | MakeHairlinePathEffect() {} |
| 787 | }; |
| 788 | |
| 789 | SkPaint fill; |
| 790 | SkPaint pe; |
| 791 | pe.setPathEffect(MakeHairlinePathEffect::Make()); |
| 792 | |
| 793 | TestCase peCase(geo, pe, reporter); |
| 794 | |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 795 | SkPath a, b, c; |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 796 | peCase.baseShape().asPath(&a); |
| 797 | peCase.appliedPathEffectShape().asPath(&b); |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 798 | peCase.appliedFullStyleShape().asPath(&c); |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 799 | if (isNonPath) { |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 800 | // RRect types can have a change in start index or direction after the PE is applied. This |
| 801 | // is because once the PE is applied, GrShape may canonicalize the dir and index since it |
| 802 | // is not germane to the styling any longer. |
| 803 | // Instead we just check that the paths would fill the same both before and after styling. |
| 804 | REPORTER_ASSERT(reporter, paths_fill_same(a, b)); |
| 805 | REPORTER_ASSERT(reporter, paths_fill_same(a, c)); |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 806 | } else { |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 807 | REPORTER_ASSERT(reporter, a == b); |
| 808 | REPORTER_ASSERT(reporter, a == c); |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 809 | REPORTER_ASSERT(reporter, peCase.appliedPathEffectKey().empty()); |
| 810 | REPORTER_ASSERT(reporter, peCase.appliedFullStyleKey().empty()); |
| 811 | } |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 812 | REPORTER_ASSERT(reporter, peCase.appliedPathEffectShape().style().isSimpleHairline()); |
| 813 | REPORTER_ASSERT(reporter, peCase.appliedFullStyleShape().style().isSimpleHairline()); |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 814 | } |
| 815 | |
bsalomon | 4eeccc9 | 2016-04-27 13:30:25 -0700 | [diff] [blame] | 816 | /** |
| 817 | * isNonPath indicates whether the initial shape made from the path is expected to be recognized |
| 818 | * as a simpler shape type (e.g. rrect) |
| 819 | */ |
| 820 | void test_volatile_path(skiatest::Reporter* reporter, const SkPath& path, |
| 821 | bool isNonPath) { |
| 822 | SkPath vPath(path); |
| 823 | vPath.setIsVolatile(true); |
| 824 | |
| 825 | SkPaint dashAndStroke; |
| 826 | dashAndStroke.setPathEffect(make_dash()); |
| 827 | dashAndStroke.setStrokeWidth(2.f); |
| 828 | dashAndStroke.setStyle(SkPaint::kStroke_Style); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 829 | TestCase volatileCase(vPath, dashAndStroke, reporter); |
bsalomon | 4eeccc9 | 2016-04-27 13:30:25 -0700 | [diff] [blame] | 830 | // We expect a shape made from a volatile path to have a key iff the shape is recognized |
| 831 | // as a specialized geometry. |
| 832 | if (isNonPath) { |
| 833 | REPORTER_ASSERT(reporter, SkToBool(volatileCase.baseKey().count())); |
| 834 | // In this case all the keys should be identical to the non-volatile case. |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 835 | TestCase nonVolatileCase(path, dashAndStroke, reporter); |
bsalomon | 4eeccc9 | 2016-04-27 13:30:25 -0700 | [diff] [blame] | 836 | volatileCase.compare(reporter, nonVolatileCase, TestCase::kAllSame_ComparisonExpecation); |
| 837 | } else { |
| 838 | // None of the keys should be valid. |
| 839 | REPORTER_ASSERT(reporter, !SkToBool(volatileCase.baseKey().count())); |
| 840 | REPORTER_ASSERT(reporter, !SkToBool(volatileCase.appliedPathEffectKey().count())); |
| 841 | REPORTER_ASSERT(reporter, !SkToBool(volatileCase.appliedFullStyleKey().count())); |
| 842 | REPORTER_ASSERT(reporter, !SkToBool(volatileCase.appliedPathEffectThenStrokeKey().count())); |
| 843 | } |
| 844 | } |
| 845 | |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 846 | template <typename GEO> |
| 847 | void test_path_effect_makes_empty_shape(skiatest::Reporter* reporter, const GEO& geo) { |
| 848 | /** |
| 849 | * This path effect returns an empty path. |
| 850 | */ |
| 851 | class EmptyPathEffect : SkPathEffect { |
| 852 | public: |
| 853 | bool filterPath(SkPath* dst, const SkPath& src, SkStrokeRec*, |
| 854 | const SkRect* cullR) const override { |
| 855 | dst->reset(); |
| 856 | return true; |
| 857 | } |
| 858 | void computeFastBounds(SkRect* dst, const SkRect& src) const override { |
| 859 | dst->setEmpty(); |
| 860 | } |
| 861 | static sk_sp<SkPathEffect> Make() { return sk_sp<SkPathEffect>(new EmptyPathEffect); } |
| 862 | Factory getFactory() const override { return nullptr; } |
| 863 | void toString(SkString*) const override {} |
| 864 | private: |
| 865 | EmptyPathEffect() {} |
| 866 | }; |
| 867 | |
| 868 | SkPath emptyPath; |
| 869 | GrShape emptyShape(emptyPath); |
| 870 | Key emptyKey; |
| 871 | make_key(&emptyKey, emptyShape); |
bsalomon | 7c73a53 | 2016-05-11 15:15:56 -0700 | [diff] [blame] | 872 | REPORTER_ASSERT(reporter, emptyShape.isEmpty()); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 873 | |
| 874 | SkPaint pe; |
| 875 | pe.setPathEffect(EmptyPathEffect::Make()); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 876 | TestCase geoCase(geo, pe, reporter); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 877 | REPORTER_ASSERT(reporter, geoCase.appliedFullStyleKey() == emptyKey); |
| 878 | REPORTER_ASSERT(reporter, geoCase.appliedPathEffectKey() == emptyKey); |
| 879 | REPORTER_ASSERT(reporter, geoCase.appliedPathEffectThenStrokeKey() == emptyKey); |
bsalomon | 7c73a53 | 2016-05-11 15:15:56 -0700 | [diff] [blame] | 880 | REPORTER_ASSERT(reporter, geoCase.appliedPathEffectShape().isEmpty()); |
| 881 | REPORTER_ASSERT(reporter, geoCase.appliedFullStyleShape().isEmpty()); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 882 | |
| 883 | SkPaint peStroke; |
| 884 | peStroke.setPathEffect(EmptyPathEffect::Make()); |
| 885 | peStroke.setStrokeWidth(2.f); |
| 886 | peStroke.setStyle(SkPaint::kStroke_Style); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 887 | TestCase geoPEStrokeCase(geo, peStroke, reporter); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 888 | REPORTER_ASSERT(reporter, geoPEStrokeCase.appliedFullStyleKey() == emptyKey); |
| 889 | REPORTER_ASSERT(reporter, geoPEStrokeCase.appliedPathEffectKey() == emptyKey); |
| 890 | REPORTER_ASSERT(reporter, geoPEStrokeCase.appliedPathEffectThenStrokeKey() == emptyKey); |
bsalomon | 7c73a53 | 2016-05-11 15:15:56 -0700 | [diff] [blame] | 891 | REPORTER_ASSERT(reporter, geoPEStrokeCase.appliedPathEffectShape().isEmpty()); |
| 892 | REPORTER_ASSERT(reporter, geoPEStrokeCase.appliedFullStyleShape().isEmpty()); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 893 | } |
| 894 | |
| 895 | void test_empty_shape(skiatest::Reporter* reporter) { |
| 896 | SkPath emptyPath; |
| 897 | SkPaint fill; |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 898 | TestCase fillEmptyCase(emptyPath, fill, reporter); |
bsalomon | 7c73a53 | 2016-05-11 15:15:56 -0700 | [diff] [blame] | 899 | REPORTER_ASSERT(reporter, fillEmptyCase.baseShape().isEmpty()); |
| 900 | REPORTER_ASSERT(reporter, fillEmptyCase.appliedPathEffectShape().isEmpty()); |
| 901 | REPORTER_ASSERT(reporter, fillEmptyCase.appliedFullStyleShape().isEmpty()); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 902 | |
| 903 | Key emptyKey(fillEmptyCase.baseKey()); |
| 904 | REPORTER_ASSERT(reporter, emptyKey.count()); |
| 905 | TestCase::SelfExpectations expectations; |
| 906 | expectations.fStrokeApplies = false; |
| 907 | expectations.fPEHasEffect = false; |
| 908 | // This will test whether applying style preserves emptiness |
| 909 | fillEmptyCase.testExpectations(reporter, expectations); |
| 910 | |
| 911 | // Stroking an empty path should have no effect |
| 912 | SkPath emptyPath2; |
| 913 | SkPaint stroke; |
| 914 | stroke.setStrokeWidth(2.f); |
| 915 | stroke.setStyle(SkPaint::kStroke_Style); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 916 | TestCase strokeEmptyCase(emptyPath2, stroke, reporter); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 917 | strokeEmptyCase.compare(reporter, fillEmptyCase, TestCase::kAllSame_ComparisonExpecation); |
| 918 | |
| 919 | // Dashing and stroking an empty path should have no effect |
| 920 | SkPath emptyPath3; |
| 921 | SkPaint dashAndStroke; |
| 922 | dashAndStroke.setPathEffect(make_dash()); |
| 923 | dashAndStroke.setStrokeWidth(2.f); |
| 924 | dashAndStroke.setStyle(SkPaint::kStroke_Style); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 925 | TestCase dashAndStrokeEmptyCase(emptyPath3, dashAndStroke, reporter); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 926 | dashAndStrokeEmptyCase.compare(reporter, fillEmptyCase, |
| 927 | TestCase::kAllSame_ComparisonExpecation); |
bsalomon | 5e410b4 | 2016-04-28 09:30:46 -0700 | [diff] [blame] | 928 | |
| 929 | // A shape made from an empty rrect should behave the same as an empty path. |
| 930 | SkRRect emptyRRect = SkRRect::MakeRect(SkRect::MakeEmpty()); |
| 931 | REPORTER_ASSERT(reporter, emptyRRect.getType() == SkRRect::kEmpty_Type); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 932 | TestCase dashAndStrokeEmptyRRectCase(emptyRRect, dashAndStroke, reporter); |
bsalomon | 5e410b4 | 2016-04-28 09:30:46 -0700 | [diff] [blame] | 933 | dashAndStrokeEmptyRRectCase.compare(reporter, fillEmptyCase, |
| 934 | TestCase::kAllSame_ComparisonExpecation); |
| 935 | |
| 936 | // Same for a rect. |
| 937 | SkRect emptyRect = SkRect::MakeEmpty(); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 938 | TestCase dashAndStrokeEmptyRectCase(emptyRect, dashAndStroke, reporter); |
bsalomon | 5e410b4 | 2016-04-28 09:30:46 -0700 | [diff] [blame] | 939 | dashAndStrokeEmptyRectCase.compare(reporter, fillEmptyCase, |
| 940 | TestCase::kAllSame_ComparisonExpecation); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 941 | } |
| 942 | |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 943 | DEF_TEST(GrShape, reporter) { |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 944 | for (auto r : { SkRect::MakeWH(10, 20), |
| 945 | SkRect::MakeWH(-10, -20), |
| 946 | SkRect::MakeWH(-10, 20), |
| 947 | SkRect::MakeWH(10, -20)}) { |
| 948 | test_basic(reporter, r); |
| 949 | test_scale(reporter, r); |
| 950 | test_dash_fill(reporter, r); |
| 951 | test_null_dash(reporter, r); |
| 952 | // Test modifying various stroke params. |
| 953 | test_stroke_param<SkRect, SkScalar>( |
| 954 | reporter, r, |
| 955 | [](SkPaint* p, SkScalar w) { p->setStrokeWidth(w);}, |
| 956 | SkIntToScalar(2), SkIntToScalar(4)); |
| 957 | test_stroke_param<SkRect, SkPaint::Join>( |
| 958 | reporter, r, |
| 959 | [](SkPaint* p, SkPaint::Join j) { p->setStrokeJoin(j);}, |
| 960 | SkPaint::kMiter_Join, SkPaint::kRound_Join); |
| 961 | test_stroke_cap(reporter, r); |
| 962 | test_miter_limit(reporter, r); |
| 963 | test_path_effect_makes_rrect(reporter, r); |
| 964 | test_unknown_path_effect(reporter, r); |
| 965 | test_path_effect_makes_empty_shape(reporter, r); |
| 966 | test_make_hairline_path_effect(reporter, r, true); |
| 967 | } |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 968 | |
| 969 | for (auto rr : { SkRRect::MakeRect(SkRect::MakeWH(10, 10)), |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 970 | SkRRect::MakeRectXY(SkRect::MakeWH(10, 10), 3, 4), |
| 971 | SkRRect::MakeOval(SkRect::MakeWH(20, 20))}) { |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 972 | test_basic(reporter, rr); |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 973 | test_scale(reporter, rr); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 974 | test_dash_fill(reporter, rr); |
| 975 | test_null_dash(reporter, rr); |
| 976 | // Test modifying various stroke params. |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 977 | test_stroke_param<SkRRect, SkScalar>( |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 978 | reporter, rr, |
| 979 | [](SkPaint* p, SkScalar w) { p->setStrokeWidth(w);}, |
| 980 | SkIntToScalar(2), SkIntToScalar(4)); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 981 | test_stroke_param<SkRRect, SkPaint::Join>( |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 982 | reporter, rr, |
| 983 | [](SkPaint* p, SkPaint::Join j) { p->setStrokeJoin(j);}, |
| 984 | SkPaint::kMiter_Join, SkPaint::kRound_Join); |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 985 | test_stroke_cap(reporter, rr); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 986 | test_miter_limit(reporter, rr); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 987 | test_path_effect_makes_rrect(reporter, rr); |
| 988 | test_unknown_path_effect(reporter, rr); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 989 | test_path_effect_makes_empty_shape(reporter, rr); |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 990 | test_make_hairline_path_effect(reporter, rr, true); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 991 | } |
| 992 | |
| 993 | struct TestPath { |
| 994 | TestPath(const SkPath& path, bool isRRectFill, bool isRRectStroke ,const SkRRect& rrect) |
| 995 | : fPath(path) |
| 996 | , fIsRRectForFill(isRRectFill) |
| 997 | , fIsRRectForStroke(isRRectStroke) |
| 998 | , fRRect(rrect) {} |
| 999 | SkPath fPath; |
| 1000 | bool fIsRRectForFill; |
| 1001 | bool fIsRRectForStroke; |
| 1002 | SkRRect fRRect; |
| 1003 | }; |
| 1004 | SkTArray<TestPath> paths; |
| 1005 | |
| 1006 | SkPath circlePath; |
| 1007 | circlePath.addCircle(10, 10, 10); |
| 1008 | paths.emplace_back(circlePath, true, true, SkRRect::MakeOval(SkRect::MakeWH(20,20))); |
| 1009 | |
| 1010 | SkPath rectPath; |
| 1011 | rectPath.addRect(SkRect::MakeWH(10, 10)); |
| 1012 | paths.emplace_back(rectPath, true, true, SkRRect::MakeRect(SkRect::MakeWH(10, 10))); |
| 1013 | |
| 1014 | SkPath openRectPath; |
| 1015 | openRectPath.moveTo(0, 0); |
| 1016 | openRectPath.lineTo(10, 0); |
| 1017 | openRectPath.lineTo(10, 10); |
| 1018 | openRectPath.lineTo(0, 10); |
| 1019 | paths.emplace_back(openRectPath, true, false, SkRRect::MakeRect(SkRect::MakeWH(10, 10))); |
| 1020 | |
| 1021 | SkPath quadPath; |
| 1022 | quadPath.quadTo(10, 10, 5, 8); |
| 1023 | paths.emplace_back(quadPath, false, false, SkRRect()); |
| 1024 | |
| 1025 | for (auto testPath : paths) { |
| 1026 | const SkPath& path = testPath.fPath; |
| 1027 | // These tests all assume that the original GrShape for fill and stroke will be the same. |
| 1028 | // However, that is not the case in special cases (e.g. a unclosed rect becomes a RRect |
| 1029 | // GrShape with a fill style but becomes a Path GrShape when stroked). |
| 1030 | if (testPath.fIsRRectForFill == testPath.fIsRRectForStroke) { |
| 1031 | test_basic(reporter, path); |
| 1032 | test_null_dash(reporter, path); |
| 1033 | test_path_effect_makes_rrect(reporter, path); |
| 1034 | } |
bsalomon | 97fd2d4 | 2016-05-09 13:02:01 -0700 | [diff] [blame] | 1035 | test_scale(reporter, path); |
bsalomon | 4eeccc9 | 2016-04-27 13:30:25 -0700 | [diff] [blame] | 1036 | // This test uses a stroking paint, hence use of fIsRRectForStroke |
| 1037 | test_volatile_path(reporter, path, testPath.fIsRRectForStroke); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1038 | test_dash_fill(reporter, path); |
| 1039 | // Test modifying various stroke params. |
| 1040 | test_stroke_param<SkPath, SkScalar>( |
| 1041 | reporter, path, |
| 1042 | [](SkPaint* p, SkScalar w) { p->setStrokeWidth(w);}, |
| 1043 | SkIntToScalar(2), SkIntToScalar(4)); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1044 | test_stroke_param<SkPath, SkPaint::Join>( |
| 1045 | reporter, path, |
| 1046 | [](SkPaint* p, SkPaint::Join j) { p->setStrokeJoin(j);}, |
| 1047 | SkPaint::kMiter_Join, SkPaint::kRound_Join); |
bsalomon | 0607756 | 2016-05-04 13:50:29 -0700 | [diff] [blame] | 1048 | test_stroke_cap(reporter, path); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1049 | test_miter_limit(reporter, path); |
| 1050 | test_unknown_path_effect(reporter, path); |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 1051 | test_path_effect_makes_empty_shape(reporter, path); |
bsalomon | 9ad5d7c | 2016-05-04 08:44:15 -0700 | [diff] [blame] | 1052 | test_make_hairline_path_effect(reporter, path, testPath.fIsRRectForStroke); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1053 | |
| 1054 | SkPaint fillPaint; |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 1055 | TestCase fillPathCase(path, fillPaint, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1056 | SkRRect rrect; |
| 1057 | REPORTER_ASSERT(reporter, testPath.fIsRRectForFill == |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 1058 | fillPathCase.baseShape().asRRect(&rrect, nullptr, nullptr)); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1059 | if (testPath.fIsRRectForFill) { |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 1060 | TestCase fillPathCase2(path, fillPaint, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1061 | REPORTER_ASSERT(reporter, rrect == testPath.fRRect); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 1062 | TestCase fillRRectCase(rrect, fillPaint, reporter); |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 1063 | fillPathCase2.compare(reporter, fillRRectCase, TestCase::kAllSame_ComparisonExpecation); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1064 | } |
| 1065 | |
| 1066 | SkPaint strokePaint; |
| 1067 | strokePaint.setStrokeWidth(3.f); |
| 1068 | strokePaint.setStyle(SkPaint::kStroke_Style); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 1069 | TestCase strokePathCase(path, strokePaint, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1070 | REPORTER_ASSERT(reporter, testPath.fIsRRectForStroke == |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 1071 | strokePathCase.baseShape().asRRect(&rrect, nullptr, nullptr)); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1072 | if (testPath.fIsRRectForStroke) { |
| 1073 | REPORTER_ASSERT(reporter, rrect == testPath.fRRect); |
bsalomon | fb08327 | 2016-05-04 08:27:41 -0700 | [diff] [blame] | 1074 | TestCase strokeRRectCase(rrect, strokePaint, reporter); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1075 | strokePathCase.compare(reporter, strokeRRectCase, |
bsalomon | ee29564 | 2016-06-06 14:01:25 -0700 | [diff] [blame] | 1076 | TestCase::kAllSame_ComparisonExpecation); |
bsalomon | 72dc51c | 2016-04-27 06:46:23 -0700 | [diff] [blame] | 1077 | } |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 1078 | } |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 1079 | |
bsalomon | 4eeccc9 | 2016-04-27 13:30:25 -0700 | [diff] [blame] | 1080 | // Test a volatile empty path. |
| 1081 | test_volatile_path(reporter, SkPath(), true); |
| 1082 | |
bsalomon | 409ed73 | 2016-04-27 12:36:02 -0700 | [diff] [blame] | 1083 | test_empty_shape(reporter); |
bsalomon | 47cc769 | 2016-04-26 12:56:00 -0700 | [diff] [blame] | 1084 | } |
| 1085 | |
| 1086 | #endif |