1 /* 2 * Copyright 2014 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 "Test.h" 9 #include "RecordTestUtils.h" 10 11 #include "SkDebugCanvas.h" 12 #include "SkDropShadowImageFilter.h" 13 #include "SkImagePriv.h" 14 #include "SkRecord.h" 15 #include "SkRecordDraw.h" 16 #include "SkRecordOpts.h" 17 #include "SkRecorder.h" 18 #include "SkRecords.h" 19 #include "SkSurface.h" 20 21 static const int W = 1920, H = 1080; 22 23 class JustOneDraw : public SkPicture::AbortCallback { 24 public: 25 JustOneDraw() : fCalls(0) {} 26 27 bool abort() override { return fCalls++ > 0; } 28 private: 29 int fCalls; 30 }; 31 32 DEF_TEST(RecordDraw_LazySaves, r) { 33 // Record two commands. 34 SkRecord record; 35 SkRecorder recorder(&record, W, H); 36 37 REPORTER_ASSERT(r, 0 == record.count()); 38 recorder.save(); 39 REPORTER_ASSERT(r, 0 == record.count()); // the save was not recorded (yet) 40 recorder.drawColor(SK_ColorRED); 41 REPORTER_ASSERT(r, 1 == record.count()); 42 recorder.scale(2, 2); 43 REPORTER_ASSERT(r, 3 == record.count()); // now we see the save 44 recorder.restore(); 45 REPORTER_ASSERT(r, 4 == record.count()); 46 47 assert_type<SkRecords::DrawPaint>(r, record, 0); 48 assert_type<SkRecords::Save> (r, record, 1); 49 assert_type<SkRecords::Concat> (r, record, 2); 50 assert_type<SkRecords::Restore> (r, record, 3); 51 52 recorder.save(); 53 recorder.save(); 54 recorder.restore(); 55 recorder.restore(); 56 REPORTER_ASSERT(r, 4 == record.count()); 57 } 58 59 DEF_TEST(RecordDraw_Abort, r) { 60 // Record two commands. 61 SkRecord record; 62 SkRecorder recorder(&record, W, H); 63 recorder.drawRect(SkRect::MakeWH(200, 300), SkPaint()); 64 recorder.clipRect(SkRect::MakeWH(100, 200)); 65 66 SkRecord rerecord; 67 SkRecorder canvas(&rerecord, W, H); 68 69 JustOneDraw callback; 70 SkRecordDraw(record, &canvas, nullptr, nullptr, 0, nullptr/*bbh*/, &callback); 71 72 REPORTER_ASSERT(r, 1 == count_instances_of_type<SkRecords::DrawRect>(rerecord)); 73 REPORTER_ASSERT(r, 0 == count_instances_of_type<SkRecords::ClipRect>(rerecord)); 74 } 75 76 DEF_TEST(RecordDraw_Unbalanced, r) { 77 SkRecord record; 78 SkRecorder recorder(&record, W, H); 79 recorder.save(); // We won't balance this, but SkRecordDraw will for us. 80 recorder.scale(2, 2); 81 82 SkRecord rerecord; 83 SkRecorder canvas(&rerecord, W, H); 84 SkRecordDraw(record, &canvas, nullptr, nullptr, 0, nullptr/*bbh*/, nullptr/*callback*/); 85 86 int save_count = count_instances_of_type<SkRecords::Save>(rerecord); 87 int restore_count = count_instances_of_type<SkRecords::Save>(rerecord); 88 REPORTER_ASSERT(r, save_count == restore_count); 89 } 90 91 DEF_TEST(RecordDraw_SetMatrixClobber, r) { 92 // Set up an SkRecord that just scales by 2x,3x. 93 SkRecord scaleRecord; 94 SkRecorder scaleCanvas(&scaleRecord, W, H); 95 SkMatrix scale; 96 scale.setScale(2, 3); 97 scaleCanvas.setMatrix(scale); 98 99 // Set up an SkRecord with an initial +20, +20 translate. 100 SkRecord translateRecord; 101 SkRecorder translateCanvas(&translateRecord, W, H); 102 SkMatrix translate; 103 translate.setTranslate(20, 20); 104 translateCanvas.setMatrix(translate); 105 106 SkRecordDraw(scaleRecord, &translateCanvas, nullptr, nullptr, 0, nullptr/*bbh*/, nullptr/*callback*/); 107 REPORTER_ASSERT(r, 4 == translateRecord.count()); 108 assert_type<SkRecords::SetMatrix>(r, translateRecord, 0); 109 assert_type<SkRecords::Save> (r, translateRecord, 1); 110 assert_type<SkRecords::SetMatrix>(r, translateRecord, 2); 111 assert_type<SkRecords::Restore> (r, translateRecord, 3); 112 113 // When we look at translateRecord now, it should have its first +20,+20 translate, 114 // then a 2x,3x scale that's been concatted with that +20,+20 translate. 115 const SkRecords::SetMatrix* setMatrix; 116 setMatrix = assert_type<SkRecords::SetMatrix>(r, translateRecord, 0); 117 REPORTER_ASSERT(r, setMatrix->matrix == translate); 118 119 setMatrix = assert_type<SkRecords::SetMatrix>(r, translateRecord, 2); 120 SkMatrix expected = scale; 121 expected.postConcat(translate); 122 REPORTER_ASSERT(r, setMatrix->matrix == expected); 123 } 124 125 // Like a==b, with a little slop recognizing that float equality can be weird. 126 static bool sloppy_rect_eq(SkRect a, SkRect b) { 127 SkRect inset(a), outset(a); 128 inset.inset(1, 1); 129 outset.outset(1, 1); 130 return outset.contains(b) && !inset.contains(b); 131 } 132 133 DEF_TEST(RecordDraw_BasicBounds, r) { 134 SkRecord record; 135 SkRecorder recorder(&record, W, H); 136 recorder.save(); 137 recorder.clipRect(SkRect::MakeWH(400, 500)); 138 recorder.scale(2, 2); 139 recorder.drawRect(SkRect::MakeWH(320, 240), SkPaint()); 140 recorder.restore(); 141 142 SkAutoTMalloc<SkRect> bounds(record.count()); 143 SkRecordFillBounds(SkRect::MakeWH(SkIntToScalar(W), SkIntToScalar(H)), record, bounds); 144 145 for (int i = 0; i < record.count(); i++) { 146 REPORTER_ASSERT(r, sloppy_rect_eq(SkRect::MakeWH(400, 480), bounds[i])); 147 } 148 } 149 150 // A regression test for crbug.com/409110. 151 DEF_TEST(RecordDraw_TextBounds, r) { 152 SkRecord record; 153 SkRecorder recorder(&record, W, H); 154 155 // Two Chinese characters in UTF-8. 156 const char text[] = { '\xe6', '\xbc', '\xa2', '\xe5', '\xad', '\x97' }; 157 const size_t bytes = SK_ARRAY_COUNT(text); 158 159 const SkScalar xpos[] = { 10, 20 }; 160 recorder.drawPosTextH(text, bytes, xpos, 30, SkPaint()); 161 162 const SkPoint pos[] = { {40, 50}, {60, 70} }; 163 recorder.drawPosText(text, bytes, pos, SkPaint()); 164 165 SkAutoTMalloc<SkRect> bounds(record.count()); 166 SkRecordFillBounds(SkRect::MakeWH(SkIntToScalar(W), SkIntToScalar(H)), record, bounds); 167 168 // We can make these next assertions confidently because SkRecordFillBounds 169 // builds its bounds by overestimating font metrics in a platform-independent way. 170 // If that changes, these tests will need to be more flexible. 171 REPORTER_ASSERT(r, sloppy_rect_eq(bounds[0], SkRect::MakeLTRB(0, 0, 140, 60))); 172 REPORTER_ASSERT(r, sloppy_rect_eq(bounds[1], SkRect::MakeLTRB(0, 20, 180, 100))); 173 } 174 175 // Base test to ensure start/stop range is respected 176 DEF_TEST(RecordDraw_PartialStartStop, r) { 177 static const int kWidth = 10, kHeight = 10; 178 179 SkRect r1 = { 0, 0, kWidth, kHeight }; 180 SkRect r2 = { 0, 0, kWidth, kHeight/2 }; 181 SkRect r3 = { 0, 0, kWidth/2, kHeight }; 182 SkPaint p; 183 184 SkRecord record; 185 SkRecorder recorder(&record, kWidth, kHeight); 186 recorder.drawRect(r1, p); 187 recorder.drawRect(r2, p); 188 recorder.drawRect(r3, p); 189 190 SkRecord rerecord; 191 SkRecorder canvas(&rerecord, kWidth, kHeight); 192 SkRecordPartialDraw(record, &canvas, nullptr, 0, 1, 2, SkMatrix::I()); // replay just drawRect of r2 193 194 REPORTER_ASSERT(r, 1 == count_instances_of_type<SkRecords::DrawRect>(rerecord)); 195 int index = find_first_instances_of_type<SkRecords::DrawRect>(rerecord); 196 const SkRecords::DrawRect* drawRect = assert_type<SkRecords::DrawRect>(r, rerecord, index); 197 REPORTER_ASSERT(r, drawRect->rect == r2); 198 } 199 200 // A regression test for crbug.com/415468 and https://bug.skia.org/2957 . 201 // 202 // This also now serves as a regression test for crbug.com/418417. We used to adjust the 203 // bounds for the saveLayer, clip, and restore to be greater than the bounds of the picture. 204 // (We were applying the saveLayer paint to the bounds after restore, which makes no sense.) 205 DEF_TEST(RecordDraw_SaveLayerAffectsClipBounds, r) { 206 SkRecord record; 207 SkRecorder recorder(&record, 50, 50); 208 209 // We draw a rectangle with a long drop shadow. We used to not update the clip 210 // bounds based on SaveLayer paints, so the drop shadow could be cut off. 211 SkPaint paint; 212 paint.setImageFilter(SkDropShadowImageFilter::Make( 213 20, 0, 0, 0, SK_ColorBLACK, 214 SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode, 215 nullptr)); 216 217 recorder.saveLayer(nullptr, &paint); 218 recorder.clipRect(SkRect::MakeWH(20, 40)); 219 recorder.drawRect(SkRect::MakeWH(20, 40), SkPaint()); 220 recorder.restore(); 221 222 // Under the original bug, the right edge value of the drawRect would be 20 less than asserted 223 // here because we intersected it with a clip that had not been adjusted for the drop shadow. 224 // 225 // The second bug showed up as adjusting the picture bounds (0,0,50,50) by the drop shadow too. 226 // The saveLayer, clipRect, and restore bounds were incorrectly (0,0,70,50). 227 SkAutoTMalloc<SkRect> bounds(record.count()); 228 SkRecordFillBounds(SkRect::MakeWH(50, 50), record, bounds); 229 REPORTER_ASSERT(r, sloppy_rect_eq(bounds[0], SkRect::MakeLTRB(0, 0, 50, 50))); 230 REPORTER_ASSERT(r, sloppy_rect_eq(bounds[1], SkRect::MakeLTRB(0, 0, 50, 50))); 231 REPORTER_ASSERT(r, sloppy_rect_eq(bounds[2], SkRect::MakeLTRB(0, 0, 40, 40))); 232 REPORTER_ASSERT(r, sloppy_rect_eq(bounds[3], SkRect::MakeLTRB(0, 0, 50, 50))); 233 } 234 235 // When a saveLayer provides an explicit bound and has a complex paint (e.g., one that 236 // affects transparent black), that bound should serve to shrink the area of the required 237 // backing store. 238 DEF_TEST(RecordDraw_SaveLayerBoundsAffectsClipBounds, r) { 239 SkRecord record; 240 SkRecorder recorder(&record, 50, 50); 241 242 SkPaint p; 243 p.setBlendMode(SkBlendMode::kSrc); 244 245 SkRect layerBounds = SkRect::MakeLTRB(10, 10, 40, 40); 246 recorder.saveLayer(&layerBounds, &p); 247 recorder.drawRect(SkRect::MakeLTRB(20, 20, 30, 30), SkPaint()); 248 recorder.restore(); 249 250 SkAutoTMalloc<SkRect> bounds(record.count()); 251 SkRecordFillBounds(SkRect::MakeWH(50, 50), record, bounds); 252 if (!SkCanvas::Internal_Private_GetIgnoreSaveLayerBounds()) { 253 REPORTER_ASSERT(r, sloppy_rect_eq(bounds[0], SkRect::MakeLTRB(10, 10, 40, 40))); 254 REPORTER_ASSERT(r, sloppy_rect_eq(bounds[1], SkRect::MakeLTRB(20, 20, 30, 30))); 255 REPORTER_ASSERT(r, sloppy_rect_eq(bounds[2], SkRect::MakeLTRB(10, 10, 40, 40))); 256 } 257 } 258 259 DEF_TEST(RecordDraw_drawImage, r){ 260 class SkCanvasMock : public SkCanvas { 261 public: 262 SkCanvasMock(int width, int height) : SkCanvas(width, height) { 263 this->resetTestValues(); 264 } 265 266 void onDrawImage(const SkImage* image, SkScalar left, SkScalar top, 267 const SkPaint* paint) override { 268 fDrawImageCalled = true; 269 } 270 271 void onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst, 272 const SkPaint* paint, SrcRectConstraint) override { 273 fDrawImageRectCalled = true; 274 } 275 276 void resetTestValues() { 277 fDrawImageCalled = fDrawImageRectCalled = false; 278 } 279 280 bool fDrawImageCalled; 281 bool fDrawImageRectCalled; 282 }; 283 284 auto surface(SkSurface::MakeRasterN32Premul(10, 10)); 285 surface->getCanvas()->clear(SK_ColorGREEN); 286 sk_sp<SkImage> image(surface->makeImageSnapshot()); 287 288 SkCanvasMock canvas(10, 10); 289 290 { 291 SkRecord record; 292 SkRecorder recorder(&record, 10, 10); 293 recorder.drawImage(image, 0, 0); 294 SkRecordDraw(record, &canvas, nullptr, nullptr, 0, nullptr, nullptr); 295 } 296 REPORTER_ASSERT(r, canvas.fDrawImageCalled); 297 canvas.resetTestValues(); 298 299 { 300 SkRecord record; 301 SkRecorder recorder(&record, 10, 10); 302 recorder.drawImageRect(image, SkRect::MakeWH(10, 10), nullptr); 303 SkRecordDraw(record, &canvas, nullptr, nullptr, 0, nullptr, nullptr); 304 } 305 REPORTER_ASSERT(r, canvas.fDrawImageRectCalled); 306 307 } 308
