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- /*
- * 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/SkDropShadowImageFilter.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::Concat> (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(SkDropShadowImageFilter::Make(
- 20, 0, 0, 0, SK_ColorBLACK,
- SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode,
- 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());
- SkRecordFillBounds(SkRect::MakeWH(50, 50), record, bounds);
- 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)));
- }
- // 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);
- }
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