| /* |
| * Copyright 2012 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkBigPicture.h" |
| #include "SkBBoxHierarchy.h" |
| #include "SkBlurImageFilter.h" |
| #include "SkCanvas.h" |
| #include "SkColorMatrixFilter.h" |
| #include "SkColorPriv.h" |
| #include "SkDashPathEffect.h" |
| #include "SkData.h" |
| #include "SkImageGenerator.h" |
| #include "SkImageEncoder.h" |
| #include "SkImageGenerator.h" |
| #include "SkMD5.h" |
| #include "SkPaint.h" |
| #include "SkPicture.h" |
| #include "SkPictureAnalyzer.h" |
| #include "SkPictureRecorder.h" |
| #include "SkPictureUtils.h" |
| #include "SkPixelRef.h" |
| #include "SkPixelSerializer.h" |
| #include "SkMiniRecorder.h" |
| #include "SkRRect.h" |
| #include "SkRandom.h" |
| #include "SkRecord.h" |
| #include "SkShader.h" |
| #include "SkStream.h" |
| #include "sk_tool_utils.h" |
| |
| #include "Test.h" |
| |
| #include "SkLumaColorFilter.h" |
| #include "SkColorFilterImageFilter.h" |
| |
| static void make_bm(SkBitmap* bm, int w, int h, SkColor color, bool immutable) { |
| bm->allocN32Pixels(w, h); |
| bm->eraseColor(color); |
| if (immutable) { |
| bm->setImmutable(); |
| } |
| } |
| |
| // For a while willPlayBackBitmaps() ignored SkImages and just looked for SkBitmaps. |
| static void test_images_are_found_by_willPlayBackBitmaps(skiatest::Reporter* reporter) { |
| // We just need _some_ SkImage |
| const SkPMColor pixel = 0; |
| const SkImageInfo info = SkImageInfo::MakeN32Premul(1, 1); |
| sk_sp<SkImage> image(SkImage::MakeRasterCopy(SkPixmap(info, &pixel, sizeof(pixel)))); |
| |
| SkPictureRecorder recorder; |
| recorder.beginRecording(100,100)->drawImage(image, 0,0); |
| sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); |
| |
| REPORTER_ASSERT(reporter, picture->willPlayBackBitmaps()); |
| } |
| |
| /* Hit a few SkPicture::Analysis cases not handled elsewhere. */ |
| static void test_analysis(skiatest::Reporter* reporter) { |
| SkPictureRecorder recorder; |
| |
| SkCanvas* canvas = recorder.beginRecording(100, 100); |
| { |
| canvas->drawRect(SkRect::MakeWH(10, 10), SkPaint ()); |
| } |
| sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); |
| REPORTER_ASSERT(reporter, !picture->willPlayBackBitmaps()); |
| |
| canvas = recorder.beginRecording(100, 100); |
| { |
| SkPaint paint; |
| // CreateBitmapShader is too smart for us; an empty (or 1x1) bitmap shader |
| // gets optimized into a non-bitmap form, so we create a 2x2 bitmap here. |
| SkBitmap bitmap; |
| bitmap.allocPixels(SkImageInfo::MakeN32Premul(2, 2)); |
| bitmap.eraseColor(SK_ColorBLUE); |
| *(bitmap.getAddr32(0, 0)) = SK_ColorGREEN; |
| paint.setShader(SkShader::MakeBitmapShader(bitmap, SkShader::kClamp_TileMode, |
| SkShader::kClamp_TileMode)); |
| REPORTER_ASSERT(reporter, paint.getShader()->isAImage()); |
| |
| canvas->drawRect(SkRect::MakeWH(10, 10), paint); |
| } |
| REPORTER_ASSERT(reporter, recorder.finishRecordingAsPicture()->willPlayBackBitmaps()); |
| } |
| |
| |
| #ifdef SK_DEBUG |
| // Ensure that deleting an empty SkPicture does not assert. Asserts only fire |
| // in debug mode, so only run in debug mode. |
| static void test_deleting_empty_picture() { |
| SkPictureRecorder recorder; |
| // Creates an SkPictureRecord |
| recorder.beginRecording(0, 0); |
| // Turns that into an SkPicture |
| sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); |
| // Ceates a new SkPictureRecord |
| recorder.beginRecording(0, 0); |
| } |
| |
| // Ensure that serializing an empty picture does not assert. Likewise only runs in debug mode. |
| static void test_serializing_empty_picture() { |
| SkPictureRecorder recorder; |
| recorder.beginRecording(0, 0); |
| sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); |
| SkDynamicMemoryWStream stream; |
| picture->serialize(&stream); |
| } |
| #endif |
| |
| static void rand_op(SkCanvas* canvas, SkRandom& rand) { |
| SkPaint paint; |
| SkRect rect = SkRect::MakeWH(50, 50); |
| |
| SkScalar unit = rand.nextUScalar1(); |
| if (unit <= 0.3) { |
| // SkDebugf("save\n"); |
| canvas->save(); |
| } else if (unit <= 0.6) { |
| // SkDebugf("restore\n"); |
| canvas->restore(); |
| } else if (unit <= 0.9) { |
| // SkDebugf("clip\n"); |
| canvas->clipRect(rect); |
| } else { |
| // SkDebugf("draw\n"); |
| canvas->drawPaint(paint); |
| } |
| } |
| |
| #if SK_SUPPORT_GPU |
| |
| static SkPath make_convex_path() { |
| SkPath path; |
| path.lineTo(100, 0); |
| path.lineTo(50, 100); |
| path.close(); |
| |
| return path; |
| } |
| |
| static SkPath make_concave_path() { |
| SkPath path; |
| path.lineTo(50, 50); |
| path.lineTo(100, 0); |
| path.lineTo(50, 100); |
| path.close(); |
| |
| return path; |
| } |
| |
| static void test_gpu_veto(skiatest::Reporter* reporter) { |
| SkPictureRecorder recorder; |
| |
| SkCanvas* canvas = recorder.beginRecording(100, 100); |
| { |
| SkPath path; |
| path.moveTo(0, 0); |
| path.lineTo(50, 50); |
| |
| SkScalar intervals[] = { 1.0f, 1.0f }; |
| sk_sp<SkPathEffect> dash(SkDashPathEffect::Make(intervals, 2, 0)); |
| |
| SkPaint paint; |
| paint.setStyle(SkPaint::kStroke_Style); |
| paint.setPathEffect(dash); |
| |
| for (int i = 0; i < 50; ++i) { |
| canvas->drawPath(path, paint); |
| } |
| } |
| sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); |
| // path effects currently render an SkPicture undesireable for GPU rendering |
| |
| const char *reason = nullptr; |
| REPORTER_ASSERT(reporter, |
| !SkPictureGpuAnalyzer(picture).suitableForGpuRasterization(&reason)); |
| REPORTER_ASSERT(reporter, reason); |
| |
| canvas = recorder.beginRecording(100, 100); |
| { |
| SkPath path; |
| |
| path.moveTo(0, 0); |
| path.lineTo(0, 50); |
| path.lineTo(25, 25); |
| path.lineTo(50, 50); |
| path.lineTo(50, 0); |
| path.close(); |
| REPORTER_ASSERT(reporter, !path.isConvex()); |
| |
| SkPaint paint; |
| paint.setAntiAlias(true); |
| for (int i = 0; i < 50; ++i) { |
| canvas->drawPath(path, paint); |
| } |
| } |
| picture = recorder.finishRecordingAsPicture(); |
| // A lot of small AA concave paths should be fine for GPU rendering |
| REPORTER_ASSERT(reporter, SkPictureGpuAnalyzer(picture).suitableForGpuRasterization()); |
| |
| canvas = recorder.beginRecording(100, 100); |
| { |
| SkPath path; |
| |
| path.moveTo(0, 0); |
| path.lineTo(0, 100); |
| path.lineTo(50, 50); |
| path.lineTo(100, 100); |
| path.lineTo(100, 0); |
| path.close(); |
| REPORTER_ASSERT(reporter, !path.isConvex()); |
| |
| SkPaint paint; |
| paint.setAntiAlias(true); |
| for (int i = 0; i < 50; ++i) { |
| canvas->drawPath(path, paint); |
| } |
| } |
| picture = recorder.finishRecordingAsPicture(); |
| // A lot of large AA concave paths currently render an SkPicture undesireable for GPU rendering |
| REPORTER_ASSERT(reporter, !SkPictureGpuAnalyzer(picture).suitableForGpuRasterization()); |
| |
| canvas = recorder.beginRecording(100, 100); |
| { |
| SkPath path; |
| |
| path.moveTo(0, 0); |
| path.lineTo(0, 50); |
| path.lineTo(25, 25); |
| path.lineTo(50, 50); |
| path.lineTo(50, 0); |
| path.close(); |
| REPORTER_ASSERT(reporter, !path.isConvex()); |
| |
| SkPaint paint; |
| paint.setAntiAlias(true); |
| paint.setStyle(SkPaint::kStroke_Style); |
| paint.setStrokeWidth(0); |
| for (int i = 0; i < 50; ++i) { |
| canvas->drawPath(path, paint); |
| } |
| } |
| picture = recorder.finishRecordingAsPicture(); |
| // hairline stroked AA concave paths are fine for GPU rendering |
| REPORTER_ASSERT(reporter, SkPictureGpuAnalyzer(picture).suitableForGpuRasterization()); |
| |
| canvas = recorder.beginRecording(100, 100); |
| { |
| SkPaint paint; |
| SkScalar intervals [] = { 10, 20 }; |
| paint.setPathEffect(SkDashPathEffect::Make(intervals, 2, 25)); |
| |
| SkPoint points [2] = { { 0, 0 }, { 100, 0 } }; |
| |
| for (int i = 0; i < 50; ++i) { |
| canvas->drawPoints(SkCanvas::kLines_PointMode, 2, points, paint); |
| } |
| } |
| picture = recorder.finishRecordingAsPicture(); |
| // fast-path dashed effects are fine for GPU rendering ... |
| REPORTER_ASSERT(reporter, SkPictureGpuAnalyzer(picture).suitableForGpuRasterization()); |
| |
| canvas = recorder.beginRecording(100, 100); |
| { |
| SkPaint paint; |
| SkScalar intervals [] = { 10, 20 }; |
| paint.setPathEffect(SkDashPathEffect::Make(intervals, 2, 25)); |
| |
| for (int i = 0; i < 50; ++i) { |
| canvas->drawRect(SkRect::MakeWH(10, 10), paint); |
| } |
| } |
| picture = recorder.finishRecordingAsPicture(); |
| // ... but only when applied to drawPoint() calls |
| REPORTER_ASSERT(reporter, !SkPictureGpuAnalyzer(picture).suitableForGpuRasterization()); |
| |
| canvas = recorder.beginRecording(100, 100); |
| { |
| const SkPath convexClip = make_convex_path(); |
| const SkPath concaveClip = make_concave_path(); |
| |
| for (int i = 0; i < 50; ++i) { |
| canvas->clipPath(convexClip); |
| canvas->clipPath(concaveClip); |
| canvas->clipPath(convexClip, SkCanvas::kIntersect_Op, true); |
| canvas->drawRect(SkRect::MakeWH(100, 100), SkPaint()); |
| } |
| } |
| picture = recorder.finishRecordingAsPicture(); |
| // Convex clips and non-AA concave clips are fine on the GPU. |
| REPORTER_ASSERT(reporter, SkPictureGpuAnalyzer(picture).suitableForGpuRasterization()); |
| |
| canvas = recorder.beginRecording(100, 100); |
| { |
| const SkPath concaveClip = make_concave_path(); |
| for (int i = 0; i < 50; ++i) { |
| canvas->clipPath(concaveClip, SkCanvas::kIntersect_Op, true); |
| canvas->drawRect(SkRect::MakeWH(100, 100), SkPaint()); |
| } |
| } |
| picture = recorder.finishRecordingAsPicture(); |
| // ... but AA concave clips are not. |
| REPORTER_ASSERT(reporter, !SkPictureGpuAnalyzer(picture).suitableForGpuRasterization()); |
| |
| // Nest the previous picture inside a new one. |
| canvas = recorder.beginRecording(100, 100); |
| { |
| canvas->drawPicture(picture); |
| } |
| picture = recorder.finishRecordingAsPicture(); |
| REPORTER_ASSERT(reporter, !SkPictureGpuAnalyzer(picture).suitableForGpuRasterization()); |
| } |
| |
| #endif // SK_SUPPORT_GPU |
| |
| static void set_canvas_to_save_count_4(SkCanvas* canvas) { |
| canvas->restoreToCount(1); |
| canvas->save(); |
| canvas->save(); |
| canvas->save(); |
| } |
| |
| /** |
| * A canvas that records the number of saves, saveLayers and restores. |
| */ |
| class SaveCountingCanvas : public SkCanvas { |
| public: |
| SaveCountingCanvas(int width, int height) |
| : INHERITED(width, height) |
| , fSaveCount(0) |
| , fSaveLayerCount(0) |
| , fRestoreCount(0){ |
| } |
| |
| SaveLayerStrategy getSaveLayerStrategy(const SaveLayerRec& rec) override { |
| ++fSaveLayerCount; |
| return this->INHERITED::getSaveLayerStrategy(rec); |
| } |
| |
| void willSave() override { |
| ++fSaveCount; |
| this->INHERITED::willSave(); |
| } |
| |
| void willRestore() override { |
| ++fRestoreCount; |
| this->INHERITED::willRestore(); |
| } |
| |
| unsigned int getSaveCount() const { return fSaveCount; } |
| unsigned int getSaveLayerCount() const { return fSaveLayerCount; } |
| unsigned int getRestoreCount() const { return fRestoreCount; } |
| |
| private: |
| unsigned int fSaveCount; |
| unsigned int fSaveLayerCount; |
| unsigned int fRestoreCount; |
| |
| typedef SkCanvas INHERITED; |
| }; |
| |
| void check_save_state(skiatest::Reporter* reporter, SkPicture* picture, |
| unsigned int numSaves, unsigned int numSaveLayers, |
| unsigned int numRestores) { |
| SaveCountingCanvas canvas(SkScalarCeilToInt(picture->cullRect().width()), |
| SkScalarCeilToInt(picture->cullRect().height())); |
| |
| picture->playback(&canvas); |
| |
| // Optimizations may have removed these, |
| // so expect to have seen no more than num{Saves,SaveLayers,Restores}. |
| REPORTER_ASSERT(reporter, numSaves >= canvas.getSaveCount()); |
| REPORTER_ASSERT(reporter, numSaveLayers >= canvas.getSaveLayerCount()); |
| REPORTER_ASSERT(reporter, numRestores >= canvas.getRestoreCount()); |
| } |
| |
| // This class exists so SkPicture can friend it and give it access to |
| // the 'partialReplay' method. |
| class SkPictureRecorderReplayTester { |
| public: |
| static sk_sp<SkPicture> Copy(SkPictureRecorder* recorder) { |
| SkPictureRecorder recorder2; |
| |
| SkCanvas* canvas = recorder2.beginRecording(10, 10); |
| |
| recorder->partialReplay(canvas); |
| |
| return recorder2.finishRecordingAsPicture(); |
| } |
| }; |
| |
| static void create_imbalance(SkCanvas* canvas) { |
| SkRect clipRect = SkRect::MakeWH(2, 2); |
| SkRect drawRect = SkRect::MakeWH(10, 10); |
| canvas->save(); |
| canvas->clipRect(clipRect, SkCanvas::kReplace_Op); |
| canvas->translate(1.0f, 1.0f); |
| SkPaint p; |
| p.setColor(SK_ColorGREEN); |
| canvas->drawRect(drawRect, p); |
| // no restore |
| } |
| |
| // This tests that replaying a potentially unbalanced picture into a canvas |
| // doesn't affect the canvas' save count or matrix/clip state. |
| static void check_balance(skiatest::Reporter* reporter, SkPicture* picture) { |
| SkBitmap bm; |
| bm.allocN32Pixels(4, 3); |
| SkCanvas canvas(bm); |
| |
| int beforeSaveCount = canvas.getSaveCount(); |
| |
| SkMatrix beforeMatrix = canvas.getTotalMatrix(); |
| |
| SkRect beforeClip; |
| |
| canvas.getClipBounds(&beforeClip); |
| |
| canvas.drawPicture(picture); |
| |
| REPORTER_ASSERT(reporter, beforeSaveCount == canvas.getSaveCount()); |
| REPORTER_ASSERT(reporter, beforeMatrix == canvas.getTotalMatrix()); |
| |
| SkRect afterClip; |
| |
| canvas.getClipBounds(&afterClip); |
| |
| REPORTER_ASSERT(reporter, afterClip == beforeClip); |
| } |
| |
| // Test out SkPictureRecorder::partialReplay |
| DEF_TEST(PictureRecorder_replay, reporter) { |
| // check save/saveLayer state |
| { |
| SkPictureRecorder recorder; |
| |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| |
| canvas->saveLayer(nullptr, nullptr); |
| |
| sk_sp<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); |
| |
| // The extra save and restore comes from the Copy process. |
| check_save_state(reporter, copy.get(), 2, 1, 3); |
| |
| canvas->saveLayer(nullptr, nullptr); |
| |
| sk_sp<SkPicture> final(recorder.finishRecordingAsPicture()); |
| |
| check_save_state(reporter, final.get(), 1, 2, 3); |
| |
| // The copy shouldn't pick up any operations added after it was made |
| check_save_state(reporter, copy.get(), 2, 1, 3); |
| } |
| |
| // (partially) check leakage of draw ops |
| { |
| SkPictureRecorder recorder; |
| |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| |
| SkRect r = SkRect::MakeWH(5, 5); |
| SkPaint p; |
| |
| canvas->drawRect(r, p); |
| |
| sk_sp<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); |
| |
| REPORTER_ASSERT(reporter, !copy->willPlayBackBitmaps()); |
| |
| SkBitmap bm; |
| make_bm(&bm, 10, 10, SK_ColorRED, true); |
| |
| r.offset(5.0f, 5.0f); |
| canvas->drawBitmapRect(bm, r, nullptr); |
| |
| sk_sp<SkPicture> final(recorder.finishRecordingAsPicture()); |
| REPORTER_ASSERT(reporter, final->willPlayBackBitmaps()); |
| |
| REPORTER_ASSERT(reporter, copy->uniqueID() != final->uniqueID()); |
| |
| // The snapshot shouldn't pick up any operations added after it was made |
| REPORTER_ASSERT(reporter, !copy->willPlayBackBitmaps()); |
| } |
| |
| // Recreate the Android partialReplay test case |
| { |
| SkPictureRecorder recorder; |
| |
| SkCanvas* canvas = recorder.beginRecording(4, 3, nullptr, 0); |
| create_imbalance(canvas); |
| |
| int expectedSaveCount = canvas->getSaveCount(); |
| |
| sk_sp<SkPicture> copy(SkPictureRecorderReplayTester::Copy(&recorder)); |
| check_balance(reporter, copy.get()); |
| |
| REPORTER_ASSERT(reporter, expectedSaveCount = canvas->getSaveCount()); |
| |
| // End the recording of source to test the picture finalization |
| // process isn't complicated by the partialReplay step |
| sk_sp<SkPicture> final(recorder.finishRecordingAsPicture()); |
| } |
| } |
| |
| static void test_unbalanced_save_restores(skiatest::Reporter* reporter) { |
| SkCanvas testCanvas(100, 100); |
| set_canvas_to_save_count_4(&testCanvas); |
| |
| REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); |
| |
| SkPaint paint; |
| SkRect rect = SkRect::MakeLTRB(-10000000, -10000000, 10000000, 10000000); |
| |
| SkPictureRecorder recorder; |
| |
| { |
| // Create picture with 2 unbalanced saves |
| SkCanvas* canvas = recorder.beginRecording(100, 100); |
| canvas->save(); |
| canvas->translate(10, 10); |
| canvas->drawRect(rect, paint); |
| canvas->save(); |
| canvas->translate(10, 10); |
| canvas->drawRect(rect, paint); |
| sk_sp<SkPicture> extraSavePicture(recorder.finishRecordingAsPicture()); |
| |
| testCanvas.drawPicture(extraSavePicture); |
| REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); |
| } |
| |
| set_canvas_to_save_count_4(&testCanvas); |
| |
| { |
| // Create picture with 2 unbalanced restores |
| SkCanvas* canvas = recorder.beginRecording(100, 100); |
| canvas->save(); |
| canvas->translate(10, 10); |
| canvas->drawRect(rect, paint); |
| canvas->save(); |
| canvas->translate(10, 10); |
| canvas->drawRect(rect, paint); |
| canvas->restore(); |
| canvas->restore(); |
| canvas->restore(); |
| canvas->restore(); |
| sk_sp<SkPicture> extraRestorePicture(recorder.finishRecordingAsPicture()); |
| |
| testCanvas.drawPicture(extraRestorePicture); |
| REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); |
| } |
| |
| set_canvas_to_save_count_4(&testCanvas); |
| |
| { |
| SkCanvas* canvas = recorder.beginRecording(100, 100); |
| canvas->translate(10, 10); |
| canvas->drawRect(rect, paint); |
| sk_sp<SkPicture> noSavePicture(recorder.finishRecordingAsPicture()); |
| |
| testCanvas.drawPicture(noSavePicture); |
| REPORTER_ASSERT(reporter, 4 == testCanvas.getSaveCount()); |
| REPORTER_ASSERT(reporter, testCanvas.getTotalMatrix().isIdentity()); |
| } |
| } |
| |
| static void test_peephole() { |
| SkRandom rand; |
| |
| SkPictureRecorder recorder; |
| |
| for (int j = 0; j < 100; j++) { |
| SkRandom rand2(rand); // remember the seed |
| |
| SkCanvas* canvas = recorder.beginRecording(100, 100); |
| |
| for (int i = 0; i < 1000; ++i) { |
| rand_op(canvas, rand); |
| } |
| sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); |
| |
| rand = rand2; |
| } |
| |
| { |
| SkCanvas* canvas = recorder.beginRecording(100, 100); |
| SkRect rect = SkRect::MakeWH(50, 50); |
| |
| for (int i = 0; i < 100; ++i) { |
| canvas->save(); |
| } |
| while (canvas->getSaveCount() > 1) { |
| canvas->clipRect(rect); |
| canvas->restore(); |
| } |
| sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); |
| } |
| } |
| |
| #ifndef SK_DEBUG |
| // Only test this is in release mode. We deliberately crash in debug mode, since a valid caller |
| // should never do this. |
| static void test_bad_bitmap() { |
| // This bitmap has a width and height but no pixels. As a result, attempting to record it will |
| // fail. |
| SkBitmap bm; |
| bm.setInfo(SkImageInfo::MakeN32Premul(100, 100)); |
| SkPictureRecorder recorder; |
| SkCanvas* recordingCanvas = recorder.beginRecording(100, 100); |
| recordingCanvas->drawBitmap(bm, 0, 0); |
| sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); |
| |
| SkCanvas canvas; |
| canvas.drawPicture(picture); |
| } |
| #endif |
| |
| static void test_clip_bound_opt(skiatest::Reporter* reporter) { |
| // Test for crbug.com/229011 |
| SkRect rect1 = SkRect::MakeXYWH(SkIntToScalar(4), SkIntToScalar(4), |
| SkIntToScalar(2), SkIntToScalar(2)); |
| SkRect rect2 = SkRect::MakeXYWH(SkIntToScalar(7), SkIntToScalar(7), |
| SkIntToScalar(1), SkIntToScalar(1)); |
| SkRect rect3 = SkRect::MakeXYWH(SkIntToScalar(6), SkIntToScalar(6), |
| SkIntToScalar(1), SkIntToScalar(1)); |
| |
| SkPath invPath; |
| invPath.addOval(rect1); |
| invPath.setFillType(SkPath::kInverseEvenOdd_FillType); |
| SkPath path; |
| path.addOval(rect2); |
| SkPath path2; |
| path2.addOval(rect3); |
| SkIRect clipBounds; |
| SkPictureRecorder recorder; |
| |
| // Testing conservative-raster-clip that is enabled by PictureRecord |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| canvas->clipPath(invPath); |
| bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); |
| REPORTER_ASSERT(reporter, true == nonEmpty); |
| REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); |
| REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); |
| REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); |
| REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| canvas->clipPath(path); |
| canvas->clipPath(invPath); |
| bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); |
| REPORTER_ASSERT(reporter, true == nonEmpty); |
| REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft); |
| REPORTER_ASSERT(reporter, 7 == clipBounds.fTop); |
| REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); |
| REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| canvas->clipPath(path); |
| canvas->clipPath(invPath, SkCanvas::kUnion_Op); |
| bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); |
| REPORTER_ASSERT(reporter, true == nonEmpty); |
| REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); |
| REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); |
| REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); |
| REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| canvas->clipPath(path, SkCanvas::kDifference_Op); |
| bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); |
| REPORTER_ASSERT(reporter, true == nonEmpty); |
| REPORTER_ASSERT(reporter, 0 == clipBounds.fLeft); |
| REPORTER_ASSERT(reporter, 0 == clipBounds.fTop); |
| REPORTER_ASSERT(reporter, 10 == clipBounds.fBottom); |
| REPORTER_ASSERT(reporter, 10 == clipBounds.fRight); |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| canvas->clipPath(path, SkCanvas::kReverseDifference_Op); |
| bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); |
| // True clip is actually empty in this case, but the best |
| // determination we can make using only bounds as input is that the |
| // clip is included in the bounds of 'path'. |
| REPORTER_ASSERT(reporter, true == nonEmpty); |
| REPORTER_ASSERT(reporter, 7 == clipBounds.fLeft); |
| REPORTER_ASSERT(reporter, 7 == clipBounds.fTop); |
| REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); |
| REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| canvas->clipPath(path, SkCanvas::kIntersect_Op); |
| canvas->clipPath(path2, SkCanvas::kXOR_Op); |
| bool nonEmpty = canvas->getClipDeviceBounds(&clipBounds); |
| REPORTER_ASSERT(reporter, true == nonEmpty); |
| REPORTER_ASSERT(reporter, 6 == clipBounds.fLeft); |
| REPORTER_ASSERT(reporter, 6 == clipBounds.fTop); |
| REPORTER_ASSERT(reporter, 8 == clipBounds.fBottom); |
| REPORTER_ASSERT(reporter, 8 == clipBounds.fRight); |
| } |
| } |
| |
| static void test_cull_rect_reset(skiatest::Reporter* reporter) { |
| SkPictureRecorder recorder; |
| SkRect bounds = SkRect::MakeWH(10, 10); |
| SkRTreeFactory factory; |
| SkCanvas* canvas = recorder.beginRecording(bounds, &factory); |
| bounds = SkRect::MakeWH(100, 100); |
| SkPaint paint; |
| canvas->drawRect(bounds, paint); |
| canvas->drawRect(bounds, paint); |
| sk_sp<SkPicture> p(recorder.finishRecordingAsPictureWithCull(bounds)); |
| const SkBigPicture* picture = p->asSkBigPicture(); |
| REPORTER_ASSERT(reporter, picture); |
| |
| SkRect finalCullRect = picture->cullRect(); |
| REPORTER_ASSERT(reporter, 0 == finalCullRect.fLeft); |
| REPORTER_ASSERT(reporter, 0 == finalCullRect.fTop); |
| REPORTER_ASSERT(reporter, 100 == finalCullRect.fBottom); |
| REPORTER_ASSERT(reporter, 100 == finalCullRect.fRight); |
| |
| const SkBBoxHierarchy* pictureBBH = picture->bbh(); |
| SkRect bbhCullRect = pictureBBH->getRootBound(); |
| REPORTER_ASSERT(reporter, 0 == bbhCullRect.fLeft); |
| REPORTER_ASSERT(reporter, 0 == bbhCullRect.fTop); |
| REPORTER_ASSERT(reporter, 100 == bbhCullRect.fBottom); |
| REPORTER_ASSERT(reporter, 100 == bbhCullRect.fRight); |
| } |
| |
| |
| /** |
| * A canvas that records the number of clip commands. |
| */ |
| class ClipCountingCanvas : public SkCanvas { |
| public: |
| ClipCountingCanvas(int width, int height) |
| : INHERITED(width, height) |
| , fClipCount(0){ |
| } |
| |
| void onClipRect(const SkRect& r, ClipOp op, ClipEdgeStyle edgeStyle) override { |
| fClipCount += 1; |
| this->INHERITED::onClipRect(r, op, edgeStyle); |
| } |
| |
| void onClipRRect(const SkRRect& rrect, ClipOp op, ClipEdgeStyle edgeStyle)override { |
| fClipCount += 1; |
| this->INHERITED::onClipRRect(rrect, op, edgeStyle); |
| } |
| |
| void onClipPath(const SkPath& path, ClipOp op, ClipEdgeStyle edgeStyle) override { |
| fClipCount += 1; |
| this->INHERITED::onClipPath(path, op, edgeStyle); |
| } |
| |
| void onClipRegion(const SkRegion& deviceRgn, ClipOp op) override { |
| fClipCount += 1; |
| this->INHERITED::onClipRegion(deviceRgn, op); |
| } |
| |
| unsigned getClipCount() const { return fClipCount; } |
| |
| private: |
| unsigned fClipCount; |
| |
| typedef SkCanvas INHERITED; |
| }; |
| |
| static void test_clip_expansion(skiatest::Reporter* reporter) { |
| SkPictureRecorder recorder; |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| |
| canvas->clipRect(SkRect::MakeEmpty(), SkCanvas::kReplace_Op); |
| // The following expanding clip should not be skipped. |
| canvas->clipRect(SkRect::MakeXYWH(4, 4, 3, 3), SkCanvas::kUnion_Op); |
| // Draw something so the optimizer doesn't just fold the world. |
| SkPaint p; |
| p.setColor(SK_ColorBLUE); |
| canvas->drawPaint(p); |
| sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); |
| |
| ClipCountingCanvas testCanvas(10, 10); |
| picture->playback(&testCanvas); |
| |
| // Both clips should be present on playback. |
| REPORTER_ASSERT(reporter, testCanvas.getClipCount() == 2); |
| } |
| |
| static void test_hierarchical(skiatest::Reporter* reporter) { |
| SkBitmap bm; |
| make_bm(&bm, 10, 10, SK_ColorRED, true); |
| |
| SkPictureRecorder recorder; |
| |
| recorder.beginRecording(10, 10); |
| sk_sp<SkPicture> childPlain(recorder.finishRecordingAsPicture()); |
| REPORTER_ASSERT(reporter, !childPlain->willPlayBackBitmaps()); // 0 |
| |
| recorder.beginRecording(10, 10)->drawBitmap(bm, 0, 0); |
| sk_sp<SkPicture> childWithBitmap(recorder.finishRecordingAsPicture()); |
| REPORTER_ASSERT(reporter, childWithBitmap->willPlayBackBitmaps()); // 1 |
| |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| canvas->drawPicture(childPlain); |
| sk_sp<SkPicture> parentPP(recorder.finishRecordingAsPicture()); |
| REPORTER_ASSERT(reporter, !parentPP->willPlayBackBitmaps()); // 0 |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| canvas->drawPicture(childWithBitmap); |
| sk_sp<SkPicture> parentPWB(recorder.finishRecordingAsPicture()); |
| REPORTER_ASSERT(reporter, parentPWB->willPlayBackBitmaps()); // 1 |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| canvas->drawBitmap(bm, 0, 0); |
| canvas->drawPicture(childPlain); |
| sk_sp<SkPicture> parentWBP(recorder.finishRecordingAsPicture()); |
| REPORTER_ASSERT(reporter, parentWBP->willPlayBackBitmaps()); // 1 |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| canvas->drawBitmap(bm, 0, 0); |
| canvas->drawPicture(childWithBitmap); |
| sk_sp<SkPicture> parentWBWB(recorder.finishRecordingAsPicture()); |
| REPORTER_ASSERT(reporter, parentWBWB->willPlayBackBitmaps()); // 2 |
| } |
| } |
| |
| static void test_gen_id(skiatest::Reporter* reporter) { |
| |
| SkPictureRecorder recorder; |
| recorder.beginRecording(0, 0); |
| sk_sp<SkPicture> empty(recorder.finishRecordingAsPicture()); |
| |
| // Empty pictures should still have a valid ID |
| REPORTER_ASSERT(reporter, empty->uniqueID() != SK_InvalidGenID); |
| |
| SkCanvas* canvas = recorder.beginRecording(1, 1); |
| canvas->drawARGB(255, 255, 255, 255); |
| sk_sp<SkPicture> hasData(recorder.finishRecordingAsPicture()); |
| // picture should have a non-zero id after recording |
| REPORTER_ASSERT(reporter, hasData->uniqueID() != SK_InvalidGenID); |
| |
| // both pictures should have different ids |
| REPORTER_ASSERT(reporter, hasData->uniqueID() != empty->uniqueID()); |
| } |
| |
| static void test_typeface(skiatest::Reporter* reporter) { |
| SkPictureRecorder recorder; |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| SkPaint paint; |
| paint.setTypeface(SkTypeface::MakeFromName("Arial", |
| SkFontStyle::FromOldStyle(SkTypeface::kItalic))); |
| canvas->drawText("Q", 1, 0, 10, paint); |
| sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); |
| SkDynamicMemoryWStream stream; |
| picture->serialize(&stream); |
| } |
| |
| DEF_TEST(Picture, reporter) { |
| test_typeface(reporter); |
| #ifdef SK_DEBUG |
| test_deleting_empty_picture(); |
| test_serializing_empty_picture(); |
| #else |
| test_bad_bitmap(); |
| #endif |
| test_unbalanced_save_restores(reporter); |
| test_peephole(); |
| #if SK_SUPPORT_GPU |
| test_gpu_veto(reporter); |
| #endif |
| test_images_are_found_by_willPlayBackBitmaps(reporter); |
| test_analysis(reporter); |
| test_clip_bound_opt(reporter); |
| test_clip_expansion(reporter); |
| test_hierarchical(reporter); |
| test_gen_id(reporter); |
| test_cull_rect_reset(reporter); |
| } |
| |
| static void draw_bitmaps(const SkBitmap bitmap, SkCanvas* canvas) { |
| const SkPaint paint; |
| const SkRect rect = { 5.0f, 5.0f, 8.0f, 8.0f }; |
| const SkIRect irect = { 2, 2, 3, 3 }; |
| int divs[] = { 2, 3 }; |
| SkCanvas::Lattice lattice; |
| lattice.fXCount = lattice.fYCount = 2; |
| lattice.fXDivs = lattice.fYDivs = divs; |
| |
| // Don't care what these record, as long as they're legal. |
| canvas->drawBitmap(bitmap, 0.0f, 0.0f, &paint); |
| canvas->drawBitmapRect(bitmap, rect, rect, &paint, SkCanvas::kStrict_SrcRectConstraint); |
| canvas->drawBitmapNine(bitmap, irect, rect, &paint); |
| canvas->drawBitmap(bitmap, 1, 1); // drawSprite |
| canvas->drawBitmapLattice(bitmap, lattice, rect, &paint); |
| } |
| |
| static void test_draw_bitmaps(SkCanvas* canvas) { |
| SkBitmap empty; |
| draw_bitmaps(empty, canvas); |
| empty.setInfo(SkImageInfo::MakeN32Premul(10, 10)); |
| draw_bitmaps(empty, canvas); |
| } |
| |
| DEF_TEST(Picture_EmptyBitmap, r) { |
| SkPictureRecorder recorder; |
| test_draw_bitmaps(recorder.beginRecording(10, 10)); |
| sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); |
| } |
| |
| DEF_TEST(Canvas_EmptyBitmap, r) { |
| SkBitmap dst; |
| dst.allocN32Pixels(10, 10); |
| SkCanvas canvas(dst); |
| |
| test_draw_bitmaps(&canvas); |
| } |
| |
| DEF_TEST(DontOptimizeSaveLayerDrawDrawRestore, reporter) { |
| // This test is from crbug.com/344987. |
| // The commands are: |
| // saveLayer with paint that modifies alpha |
| // drawBitmapRect |
| // drawBitmapRect |
| // restore |
| // The bug was that this structure was modified so that: |
| // - The saveLayer and restore were eliminated |
| // - The alpha was only applied to the first drawBitmapRectToRect |
| |
| // This test draws blue and red squares inside a 50% transparent |
| // layer. Both colours should show up muted. |
| // When the bug is present, the red square (the second bitmap) |
| // shows upwith full opacity. |
| |
| SkBitmap blueBM; |
| make_bm(&blueBM, 100, 100, SkColorSetARGB(255, 0, 0, 255), true); |
| SkBitmap redBM; |
| make_bm(&redBM, 100, 100, SkColorSetARGB(255, 255, 0, 0), true); |
| SkPaint semiTransparent; |
| semiTransparent.setAlpha(0x80); |
| |
| SkPictureRecorder recorder; |
| SkCanvas* canvas = recorder.beginRecording(100, 100); |
| canvas->drawARGB(0, 0, 0, 0); |
| |
| canvas->saveLayer(0, &semiTransparent); |
| canvas->drawBitmap(blueBM, 25, 25); |
| canvas->drawBitmap(redBM, 50, 50); |
| canvas->restore(); |
| |
| sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); |
| |
| // Now replay the picture back on another canvas |
| // and check a couple of its pixels. |
| SkBitmap replayBM; |
| make_bm(&replayBM, 100, 100, SK_ColorBLACK, false); |
| SkCanvas replayCanvas(replayBM); |
| picture->playback(&replayCanvas); |
| replayCanvas.flush(); |
| |
| // With the bug present, at (55, 55) we would get a fully opaque red |
| // intead of a dark red. |
| REPORTER_ASSERT(reporter, replayBM.getColor(30, 30) == 0xff000080); |
| REPORTER_ASSERT(reporter, replayBM.getColor(55, 55) == 0xff800000); |
| } |
| |
| struct CountingBBH : public SkBBoxHierarchy { |
| mutable int searchCalls; |
| SkRect rootBound; |
| |
| CountingBBH(const SkRect& bound) : searchCalls(0), rootBound(bound) {} |
| |
| void search(const SkRect& query, SkTDArray<int>* results) const override { |
| this->searchCalls++; |
| } |
| |
| void insert(const SkRect[], int) override {} |
| virtual size_t bytesUsed() const override { return 0; } |
| SkRect getRootBound() const override { return rootBound; } |
| }; |
| |
| class SpoonFedBBHFactory : public SkBBHFactory { |
| public: |
| explicit SpoonFedBBHFactory(SkBBoxHierarchy* bbh) : fBBH(bbh) {} |
| SkBBoxHierarchy* operator()(const SkRect&) const override { |
| return SkRef(fBBH); |
| } |
| private: |
| SkBBoxHierarchy* fBBH; |
| }; |
| |
| // When the canvas clip covers the full picture, we don't need to call the BBH. |
| DEF_TEST(Picture_SkipBBH, r) { |
| SkRect bound = SkRect::MakeWH(320, 240); |
| CountingBBH bbh(bound); |
| SpoonFedBBHFactory factory(&bbh); |
| |
| SkPictureRecorder recorder; |
| SkCanvas* c = recorder.beginRecording(bound, &factory); |
| // Record a few ops so we don't hit a small- or empty- picture optimization. |
| c->drawRect(bound, SkPaint()); |
| c->drawRect(bound, SkPaint()); |
| sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); |
| |
| SkCanvas big(640, 480), small(300, 200); |
| |
| picture->playback(&big); |
| REPORTER_ASSERT(r, bbh.searchCalls == 0); |
| |
| picture->playback(&small); |
| REPORTER_ASSERT(r, bbh.searchCalls == 1); |
| } |
| |
| DEF_TEST(Picture_BitmapLeak, r) { |
| SkBitmap mut, immut; |
| mut.allocN32Pixels(300, 200); |
| immut.allocN32Pixels(300, 200); |
| immut.setImmutable(); |
| SkASSERT(!mut.isImmutable()); |
| SkASSERT(immut.isImmutable()); |
| |
| // No one can hold a ref on our pixels yet. |
| REPORTER_ASSERT(r, mut.pixelRef()->unique()); |
| REPORTER_ASSERT(r, immut.pixelRef()->unique()); |
| |
| sk_sp<SkPicture> pic; |
| { |
| // we want the recorder to go out of scope before our subsequent checks, so we |
| // place it inside local braces. |
| SkPictureRecorder rec; |
| SkCanvas* canvas = rec.beginRecording(1920, 1200); |
| canvas->drawBitmap(mut, 0, 0); |
| canvas->drawBitmap(immut, 800, 600); |
| pic = rec.finishRecordingAsPicture(); |
| } |
| |
| // The picture shares the immutable pixels but copies the mutable ones. |
| REPORTER_ASSERT(r, mut.pixelRef()->unique()); |
| REPORTER_ASSERT(r, !immut.pixelRef()->unique()); |
| |
| // When the picture goes away, it's just our bitmaps holding the refs. |
| pic = nullptr; |
| REPORTER_ASSERT(r, mut.pixelRef()->unique()); |
| REPORTER_ASSERT(r, immut.pixelRef()->unique()); |
| } |
| |
| // getRecordingCanvas() should return a SkCanvas when recording, null when not recording. |
| DEF_TEST(Picture_getRecordingCanvas, r) { |
| SkPictureRecorder rec; |
| REPORTER_ASSERT(r, !rec.getRecordingCanvas()); |
| for (int i = 0; i < 3; i++) { |
| rec.beginRecording(100, 100); |
| REPORTER_ASSERT(r, rec.getRecordingCanvas()); |
| rec.finishRecordingAsPicture(); |
| REPORTER_ASSERT(r, !rec.getRecordingCanvas()); |
| } |
| } |
| |
| DEF_TEST(MiniRecorderLeftHanging, r) { |
| // Any shader or other ref-counted effect will do just fine here. |
| SkPaint paint; |
| paint.setShader(SkShader::MakeColorShader(SK_ColorRED)); |
| |
| SkMiniRecorder rec; |
| REPORTER_ASSERT(r, rec.drawRect(SkRect::MakeWH(20,30), paint)); |
| // Don't call rec.detachPicture(). Test succeeds by not asserting or leaking the shader. |
| } |
| |
| DEF_TEST(Picture_preserveCullRect, r) { |
| SkPictureRecorder recorder; |
| |
| SkCanvas* c = recorder.beginRecording(SkRect::MakeLTRB(1, 2, 3, 4)); |
| c->clear(SK_ColorCYAN); |
| |
| sk_sp<SkPicture> picture(recorder.finishRecordingAsPicture()); |
| SkDynamicMemoryWStream wstream; |
| picture->serialize(&wstream); |
| |
| std::unique_ptr<SkStream> rstream(wstream.detachAsStream()); |
| sk_sp<SkPicture> deserializedPicture(SkPicture::MakeFromStream(rstream.get())); |
| |
| REPORTER_ASSERT(r, deserializedPicture != nullptr); |
| REPORTER_ASSERT(r, deserializedPicture->cullRect().left() == 1); |
| REPORTER_ASSERT(r, deserializedPicture->cullRect().top() == 2); |
| REPORTER_ASSERT(r, deserializedPicture->cullRect().right() == 3); |
| REPORTER_ASSERT(r, deserializedPicture->cullRect().bottom() == 4); |
| } |
| |
| #if SK_SUPPORT_GPU |
| |
| DEF_TEST(PictureGpuAnalyzer, r) { |
| SkPictureRecorder recorder; |
| |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| SkPaint paint; |
| SkScalar intervals [] = { 10, 20 }; |
| paint.setPathEffect(SkDashPathEffect::Make(intervals, 2, 25)); |
| |
| for (int i = 0; i < 50; ++i) { |
| canvas->drawRect(SkRect::MakeWH(10, 10), paint); |
| } |
| } |
| sk_sp<SkPicture> vetoPicture(recorder.finishRecordingAsPicture()); |
| |
| SkPictureGpuAnalyzer analyzer; |
| REPORTER_ASSERT(r, analyzer.suitableForGpuRasterization()); |
| |
| analyzer.analyzePicture(vetoPicture.get()); |
| REPORTER_ASSERT(r, !analyzer.suitableForGpuRasterization()); |
| |
| analyzer.reset(); |
| REPORTER_ASSERT(r, analyzer.suitableForGpuRasterization()); |
| |
| recorder.beginRecording(10, 10)->drawPicture(vetoPicture); |
| sk_sp<SkPicture> nestedVetoPicture(recorder.finishRecordingAsPicture()); |
| |
| analyzer.analyzePicture(nestedVetoPicture.get()); |
| REPORTER_ASSERT(r, !analyzer.suitableForGpuRasterization()); |
| |
| analyzer.reset(); |
| |
| const SkPath convexClip = make_convex_path(); |
| const SkPath concaveClip = make_concave_path(); |
| for (int i = 0; i < 50; ++i) { |
| analyzer.analyzeClipPath(convexClip, SkCanvas::kIntersect_Op, false); |
| analyzer.analyzeClipPath(convexClip, SkCanvas::kIntersect_Op, true); |
| analyzer.analyzeClipPath(concaveClip, SkCanvas::kIntersect_Op, false); |
| } |
| REPORTER_ASSERT(r, analyzer.suitableForGpuRasterization()); |
| |
| for (int i = 0; i < 50; ++i) { |
| analyzer.analyzeClipPath(concaveClip, SkCanvas::kIntersect_Op, true); |
| } |
| REPORTER_ASSERT(r, !analyzer.suitableForGpuRasterization()); |
| } |
| |
| #endif // SK_SUPPORT_GPU |
| |
| /////////////////////////////////////////////////////////////////////////////////////////////////// |
| |
| // Disable until we properly fix https://bugs.chromium.org/p/skia/issues/detail?id=5548 |
| #if 0 |
| static void empty_ops(SkCanvas* canvas) { |
| } |
| static void clip_ops(SkCanvas* canvas) { |
| canvas->save(); |
| canvas->clipRect(SkRect::MakeWH(20, 20)); |
| canvas->restore(); |
| } |
| static void matrix_ops(SkCanvas* canvas) { |
| canvas->save(); |
| canvas->scale(2, 3); |
| canvas->restore(); |
| } |
| static void matrixclip_ops(SkCanvas* canvas) { |
| canvas->save(); |
| canvas->scale(2, 3); |
| canvas->clipRect(SkRect::MakeWH(20, 20)); |
| canvas->restore(); |
| } |
| typedef void (*CanvasProc)(SkCanvas*); |
| |
| // Test the kReturnNullForEmpty_FinishFlag option when recording |
| // |
| DEF_TEST(Picture_RecordEmpty, r) { |
| const SkRect cull = SkRect::MakeWH(100, 100); |
| |
| CanvasProc procs[] { empty_ops, clip_ops, matrix_ops, matrixclip_ops }; |
| |
| for (auto proc : procs) { |
| { |
| SkPictureRecorder rec; |
| proc(rec.beginRecording(cull)); |
| sk_sp<SkPicture> pic = rec.finishRecordingAsPicture(0); |
| REPORTER_ASSERT(r, pic.get()); |
| REPORTER_ASSERT(r, pic->approximateOpCount() == 0); |
| } |
| { |
| SkPictureRecorder rec; |
| proc(rec.beginRecording(cull)); |
| sk_sp<SkPicture> pic = rec.finishRecordingAsPicture( |
| SkPictureRecorder::kReturnNullForEmpty_FinishFlag); |
| REPORTER_ASSERT(r, !pic.get()); |
| } |
| { |
| SkPictureRecorder rec; |
| proc(rec.beginRecording(cull)); |
| sk_sp<SkDrawable> dr = rec.finishRecordingAsDrawable(0); |
| REPORTER_ASSERT(r, dr.get()); |
| } |
| { |
| SkPictureRecorder rec; |
| proc(rec.beginRecording(cull)); |
| sk_sp<SkDrawable> dr = rec.finishRecordingAsDrawable( |
| SkPictureRecorder::kReturnNullForEmpty_FinishFlag); |
| REPORTER_ASSERT(r, !dr.get()); |
| } |
| } |
| } |
| #endif |
| |
