| /* | 
 |  * 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 "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, kIntersect_SkClipOp, 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, kIntersect_SkClipOp, 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, kReplace_SkClipOp); | 
 |         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.getLocalClipBounds(); | 
 |  | 
 |     canvas.drawPicture(picture); | 
 |  | 
 |     REPORTER_ASSERT(reporter, beforeSaveCount == canvas.getSaveCount()); | 
 |     REPORTER_ASSERT(reporter, beforeMatrix == canvas.getTotalMatrix()); | 
 |  | 
 |     SkRect afterClip = canvas.getLocalClipBounds(); | 
 |  | 
 |     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); | 
 |         clipBounds = canvas->getDeviceClipBounds(); | 
 |         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); | 
 |         clipBounds = canvas->getDeviceClipBounds(); | 
 |         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, kUnion_SkClipOp); | 
 |         clipBounds = canvas->getDeviceClipBounds(); | 
 |         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, kDifference_SkClipOp); | 
 |         clipBounds = canvas->getDeviceClipBounds(); | 
 |         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, kReverseDifference_SkClipOp); | 
 |         clipBounds = canvas->getDeviceClipBounds(); | 
 |         // 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, 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, kIntersect_SkClipOp); | 
 |         canvas->clipPath(path2, kXOR_SkClipOp); | 
 |         clipBounds = canvas->getDeviceClipBounds(); | 
 |         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, SkClipOp op, ClipEdgeStyle edgeStyle) override { | 
 |         fClipCount += 1; | 
 |         this->INHERITED::onClipRect(r, op, edgeStyle); | 
 |     } | 
 |  | 
 |     void onClipRRect(const SkRRect& rrect, SkClipOp op, ClipEdgeStyle edgeStyle)override { | 
 |         fClipCount += 1; | 
 |         this->INHERITED::onClipRRect(rrect, op, edgeStyle); | 
 |     } | 
 |  | 
 |     void onClipPath(const SkPath& path, SkClipOp op, ClipEdgeStyle edgeStyle) override { | 
 |         fClipCount += 1; | 
 |         this->INHERITED::onClipPath(path, op, edgeStyle); | 
 |     } | 
 |  | 
 |     void onClipRegion(const SkRegion& deviceRgn, SkClipOp 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(), kReplace_SkClipOp); | 
 |     // The following expanding clip should not be skipped. | 
 |     canvas->clipRect(SkRect::MakeXYWH(4, 4, 3, 3), kUnion_SkClipOp); | 
 |     // 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->drawColor(SK_ColorWHITE); | 
 |     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::Italic())); | 
 |     canvas->drawString("Q", 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->drawColor(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, kIntersect_SkClipOp, false); | 
 |         analyzer.analyzeClipPath(convexClip, kIntersect_SkClipOp, true); | 
 |         analyzer.analyzeClipPath(concaveClip, kIntersect_SkClipOp, false); | 
 |     } | 
 |     REPORTER_ASSERT(r, analyzer.suitableForGpuRasterization()); | 
 |  | 
 |     for (int i = 0; i < 50; ++i) { | 
 |         analyzer.analyzeClipPath(concaveClip, kIntersect_SkClipOp, true); | 
 |     } | 
 |     REPORTER_ASSERT(r, !analyzer.suitableForGpuRasterization()); | 
 | } | 
 |  | 
 | #endif // SK_SUPPORT_GPU | 
 |  | 
 | // If we record bounded ops into a picture with a big cull and calculate the | 
 | // bounds of those ops, we should trim down the picture cull to the ops' bounds. | 
 | // If we're not using an SkBBH, we shouldn't change it. | 
 | DEF_TEST(Picture_UpdatedCull_1, r) { | 
 |     // Testing 1 draw exercises SkMiniPicture. | 
 |     SkRTreeFactory factory; | 
 |     SkPictureRecorder recorder; | 
 |  | 
 |     auto canvas = recorder.beginRecording(SkRect::MakeLargest(), &factory); | 
 |     canvas->drawRect(SkRect::MakeWH(20,20), SkPaint{}); | 
 |     auto pic = recorder.finishRecordingAsPicture(); | 
 |     REPORTER_ASSERT(r, pic->cullRect() == SkRect::MakeWH(20,20)); | 
 |  | 
 |     canvas = recorder.beginRecording(SkRect::MakeLargest()); | 
 |     canvas->drawRect(SkRect::MakeWH(20,20), SkPaint{}); | 
 |     pic = recorder.finishRecordingAsPicture(); | 
 |     REPORTER_ASSERT(r, pic->cullRect() == SkRect::MakeLargest()); | 
 | } | 
 | DEF_TEST(Picture_UpdatedCull_2, r) { | 
 |     // Testing >1 draw exercises SkBigPicture. | 
 |     SkRTreeFactory factory; | 
 |     SkPictureRecorder recorder; | 
 |  | 
 |     auto canvas = recorder.beginRecording(SkRect::MakeLargest(), &factory); | 
 |     canvas->drawRect(SkRect::MakeWH(20,20), SkPaint{}); | 
 |     canvas->drawRect(SkRect::MakeWH(10,40), SkPaint{}); | 
 |     auto pic = recorder.finishRecordingAsPicture(); | 
 |     REPORTER_ASSERT(r, pic->cullRect() == SkRect::MakeWH(20,40)); | 
 |  | 
 |     canvas = recorder.beginRecording(SkRect::MakeLargest()); | 
 |     canvas->drawRect(SkRect::MakeWH(20,20), SkPaint{}); | 
 |     canvas->drawRect(SkRect::MakeWH(10,40), SkPaint{}); | 
 |     pic = recorder.finishRecordingAsPicture(); | 
 |     REPORTER_ASSERT(r, pic->cullRect() == SkRect::MakeLargest()); | 
 | } | 
 |  | 
 | DEF_TEST(Picture_RecordsFlush, r) { | 
 |     SkPictureRecorder recorder; | 
 |  | 
 |     auto canvas = recorder.beginRecording(SkRect::MakeWH(100,100)); | 
 |     for (int i = 0; i < 10; i++) { | 
 |         canvas->clear(0); | 
 |         for (int j = 0; j < 10; j++) { | 
 |             canvas->drawRect(SkRect::MakeXYWH(i*10,j*10,10,10), SkPaint()); | 
 |         } | 
 |         canvas->flush(); | 
 |     } | 
 |  | 
 |     // Did we record the flushes? | 
 |     auto pic = recorder.finishRecordingAsPicture(); | 
 |     REPORTER_ASSERT(r, pic->approximateOpCount() == 120);  // 10 clears, 100 draws, 10 flushes | 
 |  | 
 |     // Do we serialize and deserialize flushes? | 
 |     auto skp = pic->serialize(); | 
 |     auto back = SkPicture::MakeFromData(skp->data(), skp->size()); | 
 |     REPORTER_ASSERT(r, back->approximateOpCount() == pic->approximateOpCount()); | 
 | } |