| /* |
| * 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 "include/core/SkBBHFactory.h" |
| #include "include/core/SkCanvas.h" |
| #include "include/core/SkColor.h" |
| #include "include/core/SkImageFilter.h" |
| #include "include/core/SkM44.h" |
| #include "include/core/SkMatrix.h" |
| #include "include/core/SkPaint.h" |
| #include "include/core/SkPicture.h" |
| #include "include/core/SkRect.h" |
| #include "include/core/SkRefCnt.h" |
| #include "include/core/SkSurface.h" |
| #include "include/effects/SkImageFilters.h" |
| #include "include/private/base/SkTemplates.h" |
| #include "src/core/SkRecord.h" |
| #include "src/core/SkRecordDraw.h" |
| #include "src/core/SkRecorder.h" |
| #include "src/core/SkRecords.h" |
| #include "tests/RecordTestUtils.h" |
| #include "tests/Test.h" |
| |
| using namespace skia_private; |
| |
| class SkImage; |
| |
| 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::SetM44>(r, translateRecord, 0); |
| assert_type<SkRecords::Save> (r, translateRecord, 1); |
| assert_type<SkRecords::SetM44>(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::SetM44* setMatrix; |
| setMatrix = assert_type<SkRecords::SetM44>(r, translateRecord, 0); |
| REPORTER_ASSERT(r, setMatrix->matrix == SkM44(translate)); |
| |
| setMatrix = assert_type<SkRecords::SetM44>(r, translateRecord, 2); |
| SkMatrix expected = scale; |
| expected.postConcat(translate); |
| REPORTER_ASSERT(r, setMatrix->matrix == SkM44(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(); |
| |
| AutoTMalloc<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, SkM44()); // 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). |
| // |
| // Now, all recorded bounds should be (0,0,40,40), representing the union of the original |
| // draw/clip (0,0,20,40) with the 20px offset drop shadow along the x-axis (20,0,40,40). |
| // The saveLayer and restore match the output bounds of the drop shadow filter, instead of |
| // expanding to fill the entire picture. |
| AutoTMalloc<SkRect> bounds(record.count()); |
| AutoTMalloc<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, 40, 40))); |
| REPORTER_ASSERT(r, sloppy_rect_eq(bounds[1], SkRect::MakeLTRB(0, 0, 40, 40))); |
| 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, 40, 40))); |
| } |
| |
| 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(); |
| |
| AutoTMalloc<SkRect> bounds(record.count()); |
| AutoTMalloc<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(); |
| |
| AutoTMalloc<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 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); |
| } |