| /* | 
 |  * Copyright 2014 Google Inc. | 
 |  * | 
 |  * Use of this source code is governed by a BSD-style license that can be | 
 |  * found in the LICENSE file. | 
 |  */ | 
 |  | 
 | #include "tests/RecordTestUtils.h" | 
 | #include "tests/Test.h" | 
 |  | 
 | #include "include/core/SkSurface.h" | 
 | #include "include/effects/SkImageFilters.h" | 
 | #include "src/core/SkImagePriv.h" | 
 | #include "src/core/SkRecord.h" | 
 | #include "src/core/SkRecordDraw.h" | 
 | #include "src/core/SkRecordOpts.h" | 
 | #include "src/core/SkRecorder.h" | 
 | #include "src/core/SkRecords.h" | 
 | #include "tools/debugger/DebugCanvas.h" | 
 |  | 
 | static const int W = 1920, H = 1080; | 
 |  | 
 | class JustOneDraw : public SkPicture::AbortCallback { | 
 | public: | 
 |     JustOneDraw() : fCalls(0) {} | 
 |  | 
 |     bool abort() override { return fCalls++ > 0; } | 
 | private: | 
 |     int fCalls; | 
 | }; | 
 |  | 
 | DEF_TEST(RecordDraw_LazySaves, r) { | 
 |     // Record two commands. | 
 |     SkRecord record; | 
 |     SkRecorder recorder(&record, W, H); | 
 |  | 
 |     REPORTER_ASSERT(r, 0 == record.count()); | 
 |     recorder.save(); | 
 |     REPORTER_ASSERT(r, 0 == record.count());    // the save was not recorded (yet) | 
 |     recorder.drawColor(SK_ColorRED); | 
 |     REPORTER_ASSERT(r, 1 == record.count()); | 
 |     recorder.scale(2, 2); | 
 |     REPORTER_ASSERT(r, 3 == record.count());    // now we see the save | 
 |     recorder.restore(); | 
 |     REPORTER_ASSERT(r, 4 == record.count()); | 
 |  | 
 |     assert_type<SkRecords::DrawPaint>(r, record, 0); | 
 |     assert_type<SkRecords::Save>     (r, record, 1); | 
 |     assert_type<SkRecords::Scale>    (r, record, 2); | 
 |     assert_type<SkRecords::Restore>  (r, record, 3); | 
 |  | 
 |     recorder.save(); | 
 |     recorder.save(); | 
 |     recorder.restore(); | 
 |     recorder.restore(); | 
 |     REPORTER_ASSERT(r, 4 == record.count()); | 
 | } | 
 |  | 
 | DEF_TEST(RecordDraw_Abort, r) { | 
 |     // Record two commands. | 
 |     SkRecord record; | 
 |     SkRecorder recorder(&record, W, H); | 
 |     recorder.drawRect(SkRect::MakeWH(200, 300), SkPaint()); | 
 |     recorder.clipRect(SkRect::MakeWH(100, 200)); | 
 |  | 
 |     SkRecord rerecord; | 
 |     SkRecorder canvas(&rerecord, W, H); | 
 |  | 
 |     JustOneDraw callback; | 
 |     SkRecordDraw(record, &canvas, nullptr, nullptr, 0, nullptr/*bbh*/, &callback); | 
 |  | 
 |     REPORTER_ASSERT(r, 1 == count_instances_of_type<SkRecords::DrawRect>(rerecord)); | 
 |     REPORTER_ASSERT(r, 0 == count_instances_of_type<SkRecords::ClipRect>(rerecord)); | 
 | } | 
 |  | 
 | DEF_TEST(RecordDraw_Unbalanced, r) { | 
 |     SkRecord record; | 
 |     SkRecorder recorder(&record, W, H); | 
 |     recorder.save();  // We won't balance this, but SkRecordDraw will for us. | 
 |     recorder.scale(2, 2); | 
 |  | 
 |     SkRecord rerecord; | 
 |     SkRecorder canvas(&rerecord, W, H); | 
 |     SkRecordDraw(record, &canvas, nullptr, nullptr, 0, nullptr/*bbh*/, nullptr/*callback*/); | 
 |  | 
 |     int save_count = count_instances_of_type<SkRecords::Save>(rerecord); | 
 |     int restore_count = count_instances_of_type<SkRecords::Save>(rerecord); | 
 |     REPORTER_ASSERT(r, save_count == restore_count); | 
 | } | 
 |  | 
 | DEF_TEST(RecordDraw_SetMatrixClobber, r) { | 
 |     // Set up an SkRecord that just scales by 2x,3x. | 
 |     SkRecord scaleRecord; | 
 |     SkRecorder scaleCanvas(&scaleRecord, W, H); | 
 |     SkMatrix scale; | 
 |     scale.setScale(2, 3); | 
 |     scaleCanvas.setMatrix(scale); | 
 |  | 
 |     // Set up an SkRecord with an initial +20, +20 translate. | 
 |     SkRecord translateRecord; | 
 |     SkRecorder translateCanvas(&translateRecord, W, H); | 
 |     SkMatrix translate; | 
 |     translate.setTranslate(20, 20); | 
 |     translateCanvas.setMatrix(translate); | 
 |  | 
 |     SkRecordDraw(scaleRecord, &translateCanvas, nullptr, nullptr, 0, nullptr/*bbh*/, nullptr/*callback*/); | 
 |     REPORTER_ASSERT(r, 4 == translateRecord.count()); | 
 |     assert_type<SkRecords::SetMatrix>(r, translateRecord, 0); | 
 |     assert_type<SkRecords::Save>     (r, translateRecord, 1); | 
 |     assert_type<SkRecords::SetMatrix>(r, translateRecord, 2); | 
 |     assert_type<SkRecords::Restore>  (r, translateRecord, 3); | 
 |  | 
 |     // When we look at translateRecord now, it should have its first +20,+20 translate, | 
 |     // then a 2x,3x scale that's been concatted with that +20,+20 translate. | 
 |     const SkRecords::SetMatrix* setMatrix; | 
 |     setMatrix = assert_type<SkRecords::SetMatrix>(r, translateRecord, 0); | 
 |     REPORTER_ASSERT(r, setMatrix->matrix == translate); | 
 |  | 
 |     setMatrix = assert_type<SkRecords::SetMatrix>(r, translateRecord, 2); | 
 |     SkMatrix expected = scale; | 
 |     expected.postConcat(translate); | 
 |     REPORTER_ASSERT(r, setMatrix->matrix == expected); | 
 | } | 
 |  | 
 | // Like a==b, with a little slop recognizing that float equality can be weird. | 
 | static bool sloppy_rect_eq(SkRect a, SkRect b) { | 
 |     SkRect inset(a), outset(a); | 
 |     inset.inset(1, 1); | 
 |     outset.outset(1, 1); | 
 |     return outset.contains(b) && !inset.contains(b); | 
 | } | 
 |  | 
 | // TODO This would be nice, but we can't get it right today. | 
 | #if 0 | 
 | DEF_TEST(RecordDraw_BasicBounds, r) { | 
 |     SkRecord record; | 
 |     SkRecorder recorder(&record, W, H); | 
 |     recorder.save(); | 
 |         recorder.clipRect(SkRect::MakeWH(400, 500)); | 
 |         recorder.scale(2, 2); | 
 |         recorder.drawRect(SkRect::MakeWH(320, 240), SkPaint()); | 
 |     recorder.restore(); | 
 |  | 
 |     SkAutoTMalloc<SkRect> bounds(record.count()); | 
 |     SkRecordFillBounds(SkRect::MakeWH(SkIntToScalar(W), SkIntToScalar(H)), record, bounds); | 
 |  | 
 |     for (int i = 0; i < record.count(); i++) { | 
 |         REPORTER_ASSERT(r, sloppy_rect_eq(SkRect::MakeWH(400, 480), bounds[i])); | 
 |     } | 
 | } | 
 | #endif | 
 |  | 
 | // Base test to ensure start/stop range is respected | 
 | DEF_TEST(RecordDraw_PartialStartStop, r) { | 
 |     static const int kWidth = 10, kHeight = 10; | 
 |  | 
 |     SkRect r1 = { 0, 0, kWidth,   kHeight }; | 
 |     SkRect r2 = { 0, 0, kWidth,   kHeight/2 }; | 
 |     SkRect r3 = { 0, 0, kWidth/2, kHeight }; | 
 |     SkPaint p; | 
 |  | 
 |     SkRecord record; | 
 |     SkRecorder recorder(&record, kWidth, kHeight); | 
 |     recorder.drawRect(r1, p); | 
 |     recorder.drawRect(r2, p); | 
 |     recorder.drawRect(r3, p); | 
 |  | 
 |     SkRecord rerecord; | 
 |     SkRecorder canvas(&rerecord, kWidth, kHeight); | 
 |     SkRecordPartialDraw(record, &canvas, nullptr, 0, 1, 2, SkMatrix::I()); // replay just drawRect of r2 | 
 |  | 
 |     REPORTER_ASSERT(r, 1 == count_instances_of_type<SkRecords::DrawRect>(rerecord)); | 
 |     int index = find_first_instances_of_type<SkRecords::DrawRect>(rerecord); | 
 |     const SkRecords::DrawRect* drawRect = assert_type<SkRecords::DrawRect>(r, rerecord, index); | 
 |     REPORTER_ASSERT(r, drawRect->rect == r2); | 
 | } | 
 |  | 
 | // A regression test for crbug.com/415468 and https://bug.skia.org/2957 . | 
 | // | 
 | // This also now serves as a regression test for crbug.com/418417.  We used to adjust the | 
 | // bounds for the saveLayer, clip, and restore to be greater than the bounds of the picture. | 
 | // (We were applying the saveLayer paint to the bounds after restore, which makes no sense.) | 
 | DEF_TEST(RecordDraw_SaveLayerAffectsClipBounds, r) { | 
 |     SkRecord record; | 
 |     SkRecorder recorder(&record, 50, 50); | 
 |  | 
 |     // We draw a rectangle with a long drop shadow.  We used to not update the clip | 
 |     // bounds based on SaveLayer paints, so the drop shadow could be cut off. | 
 |     SkPaint paint; | 
 |     paint.setImageFilter(SkImageFilters::DropShadow(20, 0, 0, 0, SK_ColorBLACK,  nullptr)); | 
 |  | 
 |     recorder.saveLayer(nullptr, &paint); | 
 |         recorder.clipRect(SkRect::MakeWH(20, 40)); | 
 |         recorder.drawRect(SkRect::MakeWH(20, 40), SkPaint()); | 
 |     recorder.restore(); | 
 |  | 
 |     // Under the original bug, the right edge value of the drawRect would be 20 less than asserted | 
 |     // here because we intersected it with a clip that had not been adjusted for the drop shadow. | 
 |     // | 
 |     // The second bug showed up as adjusting the picture bounds (0,0,50,50) by the drop shadow too. | 
 |     // The saveLayer, clipRect, and restore bounds were incorrectly (0,0,70,50). | 
 |     SkAutoTMalloc<SkRect> bounds(record.count()); | 
 |     SkAutoTMalloc<SkBBoxHierarchy::Metadata> meta(record.count()); | 
 |     SkRecordFillBounds(SkRect::MakeWH(50, 50), record, bounds, meta); | 
 |     REPORTER_ASSERT(r, sloppy_rect_eq(bounds[0], SkRect::MakeLTRB(0, 0, 50, 50))); | 
 |     REPORTER_ASSERT(r, sloppy_rect_eq(bounds[1], SkRect::MakeLTRB(0, 0, 50, 50))); | 
 |     REPORTER_ASSERT(r, sloppy_rect_eq(bounds[2], SkRect::MakeLTRB(0, 0, 40, 40))); | 
 |     REPORTER_ASSERT(r, sloppy_rect_eq(bounds[3], SkRect::MakeLTRB(0, 0, 50, 50))); | 
 | } | 
 |  | 
 | DEF_TEST(RecordDraw_Metadata, r) { | 
 |     SkRecord record; | 
 |     SkRecorder recorder(&record, 50, 50); | 
 |  | 
 |     // Just doing some mildly interesting drawing, mostly grabbed from the unit test above. | 
 |     SkPaint paint; | 
 |     paint.setImageFilter(SkImageFilters::DropShadow(20, 0, 0, 0, SK_ColorBLACK,  nullptr)); | 
 |  | 
 |     recorder.saveLayer(nullptr, &paint); | 
 |         recorder.clipRect(SkRect::MakeWH(20, 40)); | 
 |         recorder.save(); | 
 |             recorder.translate(10, 10); | 
 |             recorder.drawRect(SkRect::MakeWH(20, 40), SkPaint()); | 
 |         recorder.restore(); | 
 |     recorder.restore(); | 
 |  | 
 |     SkAutoTMalloc<SkRect> bounds(record.count()); | 
 |     SkAutoTMalloc<SkBBoxHierarchy::Metadata> meta(record.count()); | 
 |     SkRecordFillBounds(SkRect::MakeWH(50, 50), record, bounds, meta); | 
 |  | 
 |     REPORTER_ASSERT(r, !meta[0].isDraw);  // saveLayer (not a draw, but its restore will be) | 
 |     REPORTER_ASSERT(r, !meta[1].isDraw);  //   clip | 
 |     REPORTER_ASSERT(r, !meta[2].isDraw);  //   save | 
 |     REPORTER_ASSERT(r, !meta[3].isDraw);  //       translate | 
 |     REPORTER_ASSERT(r,  meta[4].isDraw);  //       drawRect | 
 |     REPORTER_ASSERT(r, !meta[5].isDraw);  //   restore  (paired with save, not a draw) | 
 |     REPORTER_ASSERT(r,  meta[6].isDraw);  // restore (paired with saveLayer, a draw) | 
 | } | 
 |  | 
 | // TODO This would be nice, but we can't get it right today. | 
 | #if 0 | 
 | // When a saveLayer provides an explicit bound and has a complex paint (e.g., one that | 
 | // affects transparent black), that bound should serve to shrink the area of the required | 
 | // backing store. | 
 | DEF_TEST(RecordDraw_SaveLayerBoundsAffectsClipBounds, r) { | 
 |     SkRecord record; | 
 |     SkRecorder recorder(&record, 50, 50); | 
 |  | 
 |     SkPaint p; | 
 |     p.setBlendMode(SkBlendMode::kSrc); | 
 |  | 
 |     SkRect layerBounds = SkRect::MakeLTRB(10, 10, 40, 40); | 
 |     recorder.saveLayer(&layerBounds, &p); | 
 |     recorder.drawRect(SkRect::MakeLTRB(20, 20, 30, 30), SkPaint()); | 
 |     recorder.restore(); | 
 |  | 
 |     SkAutoTMalloc<SkRect> bounds(record.count()); | 
 |     SkRecordFillBounds(SkRect::MakeWH(50, 50), record, bounds); | 
 |     REPORTER_ASSERT(r, sloppy_rect_eq(bounds[0], SkRect::MakeLTRB(10, 10, 40, 40))); | 
 |     REPORTER_ASSERT(r, sloppy_rect_eq(bounds[1], SkRect::MakeLTRB(20, 20, 30, 30))); | 
 |     REPORTER_ASSERT(r, sloppy_rect_eq(bounds[2], SkRect::MakeLTRB(10, 10, 40, 40))); | 
 | } | 
 | #endif | 
 |  | 
 | DEF_TEST(RecordDraw_drawImage, r){ | 
 |     class SkCanvasMock : public SkCanvas { | 
 |     public: | 
 |         SkCanvasMock(int width, int height) : SkCanvas(width, height) { | 
 |             this->resetTestValues(); | 
 |         } | 
 |  | 
 |         void onDrawImage(const SkImage* image, SkScalar left, SkScalar top, | 
 |                          const SkPaint* paint) override { | 
 |             fDrawImageCalled = true; | 
 |         } | 
 |  | 
 |         void onDrawImageRect(const SkImage* image, const SkRect* src, const SkRect& dst, | 
 |                              const SkPaint* paint, SrcRectConstraint) override { | 
 |             fDrawImageRectCalled = true; | 
 |         } | 
 |  | 
 |         void resetTestValues() { | 
 |             fDrawImageCalled = fDrawImageRectCalled = false; | 
 |         } | 
 |  | 
 |         bool fDrawImageCalled; | 
 |         bool fDrawImageRectCalled; | 
 |     }; | 
 |  | 
 |     auto surface(SkSurface::MakeRasterN32Premul(10, 10)); | 
 |     surface->getCanvas()->clear(SK_ColorGREEN); | 
 |     sk_sp<SkImage> image(surface->makeImageSnapshot()); | 
 |  | 
 |     SkCanvasMock canvas(10, 10); | 
 |  | 
 |     { | 
 |         SkRecord record; | 
 |         SkRecorder recorder(&record, 10, 10); | 
 |         recorder.drawImage(image, 0, 0); | 
 |         SkRecordDraw(record, &canvas, nullptr, nullptr, 0, nullptr, nullptr); | 
 |     } | 
 |     REPORTER_ASSERT(r, canvas.fDrawImageCalled); | 
 |     canvas.resetTestValues(); | 
 |  | 
 |     { | 
 |         SkRecord record; | 
 |         SkRecorder recorder(&record, 10, 10); | 
 |         recorder.drawImageRect(image, SkRect::MakeWH(10, 10), nullptr); | 
 |         SkRecordDraw(record, &canvas, nullptr, nullptr, 0, nullptr, nullptr); | 
 |     } | 
 |     REPORTER_ASSERT(r, canvas.fDrawImageRectCalled); | 
 |  | 
 | } |