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 // TODO This would be nice, but we can't get it right today. 134 #if 0 135 DEF_TEST(RecordDraw_BasicBounds, r) { 136 SkRecord record; 137 SkRecorder recorder(&record, W, H); 138 recorder.save(); 139 recorder.clipRect(SkRect::MakeWH(400, 500)); 140 recorder.scale(2, 2); 141 recorder.drawRect(SkRect::MakeWH(320, 240), SkPaint()); 142 recorder.restore(); 143 144 SkAutoTMalloc<SkRect> bounds(record.count()); 145 SkRecordFillBounds(SkRect::MakeWH(SkIntToScalar(W), SkIntToScalar(H)), record, bounds); 146 147 for (int i = 0; i < record.count(); i++) { 148 REPORTER_ASSERT(r, sloppy_rect_eq(SkRect::MakeWH(400, 480), bounds[i])); 149 } 150 } 151 #endif 152 153 // Base test to ensure start/stop range is respected 154 DEF_TEST(RecordDraw_PartialStartStop, r) { 155 static const int kWidth = 10, kHeight = 10; 156 157 SkRect r1 = { 0, 0, kWidth, kHeight }; 158 SkRect r2 = { 0, 0, kWidth, kHeight/2 }; 159 SkRect r3 = { 0, 0, kWidth/2, kHeight }; 160 SkPaint p; 161 162 SkRecord record; 163 SkRecorder recorder(&record, kWidth, kHeight); 164 recorder.drawRect(r1, p); 165 recorder.drawRect(r2, p); 166 recorder.drawRect(r3, p); 167 168 SkRecord rerecord; 169 SkRecorder canvas(&rerecord, kWidth, kHeight); 170 SkRecordPartialDraw(record, &canvas, nullptr, 0, 1, 2, SkMatrix::I()); // replay just drawRect of r2 171 172 REPORTER_ASSERT(r, 1 == count_instances_of_type<SkRecords::DrawRect>(rerecord)); 173 int index = find_first_instances_of_type<SkRecords::DrawRect>(rerecord); 174 const SkRecords::DrawRect* drawRect = assert_type<SkRecords::DrawRect>(r, rerecord, index); 175 REPORTER_ASSERT(r, drawRect->rect == r2); 176 } 177 178 // A regression test for crbug.com/415468 and https://bug.skia.org/2957 . 179 // 180 // This also now serves as a regression test for crbug.com/418417. We used to adjust the 181 // bounds for the saveLayer, clip, and restore to be greater than the bounds of the picture. 182 // (We were applying the saveLayer paint to the bounds after restore, which makes no sense.) 183 DEF_TEST(RecordDraw_SaveLayerAffectsClipBounds, r) { 184 SkRecord record; 185 SkRecorder recorder(&record, 50, 50); 186 187 // We draw a rectangle with a long drop shadow. We used to not update the clip 188 // bounds based on SaveLayer paints, so the drop shadow could be cut off. 189 SkPaint paint; 190 paint.setImageFilter(SkDropShadowImageFilter::Make( 191 20, 0, 0, 0, SK_ColorBLACK, 192 SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode, 193 nullptr)); 194 195 recorder.saveLayer(nullptr, &paint); 196 recorder.clipRect(SkRect::MakeWH(20, 40)); 197 recorder.drawRect(SkRect::MakeWH(20, 40), SkPaint()); 198 recorder.restore(); 199 200 // Under the original bug, the right edge value of the drawRect would be 20 less than asserted 201 // here because we intersected it with a clip that had not been adjusted for the drop shadow. 202 // 203 // The second bug showed up as adjusting the picture bounds (0,0,50,50) by the drop shadow too. 204 // The saveLayer, clipRect, and restore bounds were incorrectly (0,0,70,50). 205 SkAutoTMalloc<SkRect> bounds(record.count()); 206 SkRecordFillBounds(SkRect::MakeWH(50, 50), record, bounds); 207 REPORTER_ASSERT(r, sloppy_rect_eq(bounds[0], SkRect::MakeLTRB(0, 0, 50, 50))); 208 REPORTER_ASSERT(r, sloppy_rect_eq(bounds[1], SkRect::MakeLTRB(0, 0, 50, 50))); 209 REPORTER_ASSERT(r, sloppy_rect_eq(bounds[2], SkRect::MakeLTRB(0, 0, 40, 40))); 210 REPORTER_ASSERT(r, sloppy_rect_eq(bounds[3], SkRect::MakeLTRB(0, 0, 50, 50))); 211 } 212 213 // TODO This would be nice, but we can't get it right today. 214 #if 0 215 // When a saveLayer provides an explicit bound and has a complex paint (e.g., one that 216 // affects transparent black), that bound should serve to shrink the area of the required 217 // backing store. 218 DEF_TEST(RecordDraw_SaveLayerBoundsAffectsClipBounds, r) { 219 SkRecord record; 220 SkRecorder recorder(&record, 50, 50); 221 222 SkPaint p; 223 p.setBlendMode(SkBlendMode::kSrc); 224 225 SkRect layerBounds = SkRect::MakeLTRB(10, 10, 40, 40); 226 recorder.saveLayer(&layerBounds, &p); 227 recorder.drawRect(SkRect::MakeLTRB(20, 20, 30, 30), SkPaint()); 228 recorder.restore(); 229 230 SkAutoTMalloc<SkRect> bounds(record.count()); 231 SkRecordFillBounds(SkRect::MakeWH(50, 50), record, bounds); 232 REPORTER_ASSERT(r, sloppy_rect_eq(bounds[0], SkRect::MakeLTRB(10, 10, 40, 40))); 233 REPORTER_ASSERT(r, sloppy_rect_eq(bounds[1], SkRect::MakeLTRB(20, 20, 30, 30))); 234 REPORTER_ASSERT(r, sloppy_rect_eq(bounds[2], SkRect::MakeLTRB(10, 10, 40, 40))); 235 } 236 #endif 237 238 DEF_TEST(RecordDraw_drawImage, r){ 239 class SkCanvasMock : public SkCanvas { 240 public: 241 SkCanvasMock(int width, int height) : SkCanvas(width, height) { 242 this->resetTestValues(); 243 } 244 245 void onDrawImage(const SkImage* image, SkScalar left, SkScalar top, 246 const SkPaint* paint) override { 247 fDrawImageCalled = true; 248 } 249 250 void onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst, 251 const SkPaint* paint, SrcRectConstraint) override { 252 fDrawImageRectCalled = true; 253 } 254 255 void resetTestValues() { 256 fDrawImageCalled = fDrawImageRectCalled = false; 257 } 258 259 bool fDrawImageCalled; 260 bool fDrawImageRectCalled; 261 }; 262 263 auto surface(SkSurface::MakeRasterN32Premul(10, 10)); 264 surface->getCanvas()->clear(SK_ColorGREEN); 265 sk_sp<SkImage> image(surface->makeImageSnapshot()); 266 267 SkCanvasMock canvas(10, 10); 268 269 { 270 SkRecord record; 271 SkRecorder recorder(&record, 10, 10); 272 recorder.drawImage(image, 0, 0); 273 SkRecordDraw(record, &canvas, nullptr, nullptr, 0, nullptr, nullptr); 274 } 275 REPORTER_ASSERT(r, canvas.fDrawImageCalled); 276 canvas.resetTestValues(); 277 278 { 279 SkRecord record; 280 SkRecorder recorder(&record, 10, 10); 281 recorder.drawImageRect(image, SkRect::MakeWH(10, 10), nullptr); 282 SkRecordDraw(record, &canvas, nullptr, nullptr, 0, nullptr, nullptr); 283 } 284 REPORTER_ASSERT(r, canvas.fDrawImageRectCalled); 285 286 } 287
