/* * 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 "SkBBoxHierarchy.h" #include "SkBlurImageFilter.h" #include "SkCanvas.h" #include "SkColorMatrixFilter.h" #include "SkColorPriv.h" #include "SkDashPathEffect.h" #include "SkData.h" #include "SkImageGenerator.h" #include "SkError.h" #include "SkImageEncoder.h" #include "SkImageGenerator.h" #include "SkLayerInfo.h" #include "SkPaint.h" #include "SkPicture.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" #if SK_SUPPORT_GPU #include "SkSurface.h" #include "GrContextFactory.h" #endif #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(); } } /* 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 ()); } SkAutoTUnref picture(recorder.endRecording()); 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; SkShader* shader = SkShader::CreateBitmapShader(bitmap, SkShader::kClamp_TileMode, SkShader::kClamp_TileMode); paint.setShader(shader)->unref(); REPORTER_ASSERT(reporter, shader->asABitmap(NULL, NULL, NULL) == SkShader::kDefault_BitmapType); canvas->drawRect(SkRect::MakeWH(10, 10), paint); } picture.reset(recorder.endRecording()); REPORTER_ASSERT(reporter, picture->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 SkAutoTUnref picture(recorder.endRecording()); // 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); SkAutoTUnref picture(recorder.endRecording()); 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 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 }; SkAutoTUnref dash(SkDashPathEffect::Create(intervals, 2, 0)); SkPaint paint; paint.setStyle(SkPaint::kStroke_Style); paint.setPathEffect(dash); for (int i = 0; i < 50; ++i) { canvas->drawPath(path, paint); } } SkAutoTUnref picture(recorder.endRecording()); // path effects currently render an SkPicture undesireable for GPU rendering const char *reason = NULL; REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL, &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.reset(recorder.endRecording()); // A lot of small AA concave paths should be fine for GPU rendering REPORTER_ASSERT(reporter, picture->suitableForGpuRasterization(NULL)); 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.reset(recorder.endRecording()); // A lot of large AA concave paths currently render an SkPicture undesireable for GPU rendering REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL)); 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.reset(recorder.endRecording()); // hairline stroked AA concave paths are fine for GPU rendering REPORTER_ASSERT(reporter, picture->suitableForGpuRasterization(NULL)); canvas = recorder.beginRecording(100, 100); { SkPaint paint; SkScalar intervals [] = { 10, 20 }; SkPathEffect* pe = SkDashPathEffect::Create(intervals, 2, 25); paint.setPathEffect(pe)->unref(); SkPoint points [2] = { { 0, 0 }, { 100, 0 } }; for (int i = 0; i < 50; ++i) { canvas->drawPoints(SkCanvas::kLines_PointMode, 2, points, paint); } } picture.reset(recorder.endRecording()); // fast-path dashed effects are fine for GPU rendering ... REPORTER_ASSERT(reporter, picture->suitableForGpuRasterization(NULL)); canvas = recorder.beginRecording(100, 100); { SkPaint paint; SkScalar intervals [] = { 10, 20 }; SkPathEffect* pe = SkDashPathEffect::Create(intervals, 2, 25); paint.setPathEffect(pe)->unref(); for (int i = 0; i < 50; ++i) { canvas->drawRect(SkRect::MakeWH(10, 10), paint); } } picture.reset(recorder.endRecording()); // ... but only when applied to drawPoint() calls REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL)); // Nest the previous picture inside a new one. canvas = recorder.beginRecording(100, 100); { canvas->drawPicture(picture.get()); } picture.reset(recorder.endRecording()); REPORTER_ASSERT(reporter, !picture->suitableForGpuRasterization(NULL)); } #endif static void test_savelayer_extraction(skiatest::Reporter* reporter) { static const int kWidth = 100; static const int kHeight = 100; // Create complex paint that the bounding box computation code can't // optimize away SkScalar blueToRedMatrix[20] = { 0 }; blueToRedMatrix[2] = blueToRedMatrix[18] = SK_Scalar1; SkAutoTUnref blueToRed(SkColorMatrixFilter::Create(blueToRedMatrix)); SkAutoTUnref filter(SkColorFilterImageFilter::Create(blueToRed.get())); SkPaint complexPaint; complexPaint.setImageFilter(filter); SkAutoTUnref pict, child; SkRTreeFactory bbhFactory; { SkPictureRecorder recorder; SkCanvas* c = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight), &bbhFactory, SkPictureRecorder::kComputeSaveLayerInfo_RecordFlag); c->saveLayer(NULL, &complexPaint); c->restore(); child.reset(recorder.endRecording()); } // create a picture with the structure: // 1) // SaveLayer // Restore // 2) // SaveLayer // Translate // SaveLayer w/ bound // Restore // Restore // 3) // SaveLayer w/ copyable paint // Restore // 4) // SaveLayer // DrawPicture (which has a SaveLayer/Restore pair) // Restore // 5) // SaveLayer // DrawPicture with Matrix & Paint (with SaveLayer/Restore pair) // Restore { SkPictureRecorder recorder; SkCanvas* c = recorder.beginRecording(SkIntToScalar(kWidth), SkIntToScalar(kHeight), &bbhFactory, SkPictureRecorder::kComputeSaveLayerInfo_RecordFlag); // 1) c->saveLayer(NULL, &complexPaint); // layer #0 c->restore(); // 2) c->saveLayer(NULL, NULL); // layer #1 c->translate(kWidth / 2.0f, kHeight / 2.0f); SkRect r = SkRect::MakeXYWH(0, 0, kWidth/2, kHeight/2); c->saveLayer(&r, &complexPaint); // layer #2 c->restore(); c->restore(); // 3) { c->saveLayer(NULL, &complexPaint); // layer #3 c->restore(); } SkPaint layerPaint; layerPaint.setColor(SK_ColorRED); // Non-alpha only to avoid SaveLayerDrawRestoreNooper // 4) { c->saveLayer(NULL, &layerPaint); // layer #4 c->drawPicture(child); // layer #5 inside picture c->restore(); } // 5 { SkPaint picturePaint; SkMatrix trans; trans.setTranslate(10, 10); c->saveLayer(NULL, &layerPaint); // layer #6 c->drawPicture(child, &trans, &picturePaint); // layer #7 inside picture c->restore(); } pict.reset(recorder.endRecording()); } // Now test out the SaveLayer extraction if (!SkCanvas::Internal_Private_GetIgnoreSaveLayerBounds()) { const SkBigPicture* bp = pict->asSkBigPicture(); REPORTER_ASSERT(reporter, bp); const SkBigPicture::AccelData* data = bp->accelData(); REPORTER_ASSERT(reporter, data); const SkLayerInfo *gpuData = static_cast(data); REPORTER_ASSERT(reporter, 8 == gpuData->numBlocks()); const SkLayerInfo::BlockInfo& info0 = gpuData->block(0); // The parent/child layers appear in reverse order const SkLayerInfo::BlockInfo& info1 = gpuData->block(2); const SkLayerInfo::BlockInfo& info2 = gpuData->block(1); const SkLayerInfo::BlockInfo& info3 = gpuData->block(3); // The parent/child layers appear in reverse order const SkLayerInfo::BlockInfo& info4 = gpuData->block(5); const SkLayerInfo::BlockInfo& info5 = gpuData->block(4); // The parent/child layers appear in reverse order const SkLayerInfo::BlockInfo& info6 = gpuData->block(7); const SkLayerInfo::BlockInfo& info7 = gpuData->block(6); REPORTER_ASSERT(reporter, NULL == info0.fPicture); REPORTER_ASSERT(reporter, kWidth == info0.fBounds.width() && kHeight == info0.fBounds.height()); REPORTER_ASSERT(reporter, info0.fLocalMat.isIdentity()); REPORTER_ASSERT(reporter, info0.fPreMat.isIdentity()); REPORTER_ASSERT(reporter, 0 == info0.fBounds.fLeft && 0 == info0.fBounds.fTop); REPORTER_ASSERT(reporter, NULL != info0.fPaint); REPORTER_ASSERT(reporter, !info0.fIsNested && !info0.fHasNestedLayers); REPORTER_ASSERT(reporter, NULL == info1.fPicture); REPORTER_ASSERT(reporter, kWidth/2.0 == info1.fBounds.width() && kHeight/2.0 == info1.fBounds.height()); REPORTER_ASSERT(reporter, info1.fLocalMat.isIdentity()); REPORTER_ASSERT(reporter, info1.fPreMat.isIdentity()); REPORTER_ASSERT(reporter, kWidth/2.0 == info1.fBounds.fLeft && kHeight/2.0 == info1.fBounds.fTop); REPORTER_ASSERT(reporter, NULL == info1.fPaint); REPORTER_ASSERT(reporter, !info1.fIsNested && info1.fHasNestedLayers); // has a nested SL REPORTER_ASSERT(reporter, NULL == info2.fPicture); REPORTER_ASSERT(reporter, kWidth / 2 == info2.fBounds.width() && kHeight / 2 == info2.fBounds.height()); // bound reduces size REPORTER_ASSERT(reporter, !info2.fLocalMat.isIdentity()); REPORTER_ASSERT(reporter, info2.fPreMat.isIdentity()); REPORTER_ASSERT(reporter, kWidth / 2 == info2.fBounds.fLeft && // translated kHeight / 2 == info2.fBounds.fTop); REPORTER_ASSERT(reporter, NULL != info2.fPaint); REPORTER_ASSERT(reporter, info2.fIsNested && !info2.fHasNestedLayers); // is nested REPORTER_ASSERT(reporter, NULL == info3.fPicture); REPORTER_ASSERT(reporter, kWidth == info3.fBounds.width() && kHeight == info3.fBounds.height()); REPORTER_ASSERT(reporter, info3.fLocalMat.isIdentity()); REPORTER_ASSERT(reporter, info3.fPreMat.isIdentity()); REPORTER_ASSERT(reporter, 0 == info3.fBounds.fLeft && 0 == info3.fBounds.fTop); REPORTER_ASSERT(reporter, info3.fPaint); REPORTER_ASSERT(reporter, !info3.fIsNested && !info3.fHasNestedLayers); REPORTER_ASSERT(reporter, NULL == info4.fPicture); REPORTER_ASSERT(reporter, kWidth == info4.fBounds.width() && kHeight == info4.fBounds.height()); REPORTER_ASSERT(reporter, 0 == info4.fBounds.fLeft && 0 == info4.fBounds.fTop); REPORTER_ASSERT(reporter, info4.fLocalMat.isIdentity()); REPORTER_ASSERT(reporter, info4.fPreMat.isIdentity()); REPORTER_ASSERT(reporter, info4.fPaint); REPORTER_ASSERT(reporter, !info4.fIsNested && info4.fHasNestedLayers); // has a nested SL REPORTER_ASSERT(reporter, child == info5.fPicture); // in a child picture REPORTER_ASSERT(reporter, kWidth == info5.fBounds.width() && kHeight == info5.fBounds.height()); REPORTER_ASSERT(reporter, 0 == info5.fBounds.fLeft && 0 == info5.fBounds.fTop); REPORTER_ASSERT(reporter, info5.fLocalMat.isIdentity()); REPORTER_ASSERT(reporter, info5.fPreMat.isIdentity()); REPORTER_ASSERT(reporter, NULL != info5.fPaint); REPORTER_ASSERT(reporter, info5.fIsNested && !info5.fHasNestedLayers); // is nested REPORTER_ASSERT(reporter, NULL == info6.fPicture); REPORTER_ASSERT(reporter, kWidth-10 == info6.fBounds.width() && kHeight-10 == info6.fBounds.height()); REPORTER_ASSERT(reporter, 10 == info6.fBounds.fLeft && 10 == info6.fBounds.fTop); REPORTER_ASSERT(reporter, info6.fLocalMat.isIdentity()); REPORTER_ASSERT(reporter, info6.fPreMat.isIdentity()); REPORTER_ASSERT(reporter, info6.fPaint); REPORTER_ASSERT(reporter, !info6.fIsNested && info6.fHasNestedLayers); // has a nested SL REPORTER_ASSERT(reporter, child == info7.fPicture); // in a child picture REPORTER_ASSERT(reporter, kWidth == info7.fBounds.width() && kHeight == info7.fBounds.height()); REPORTER_ASSERT(reporter, 0 == info7.fBounds.fLeft && 0 == info7.fBounds.fTop); REPORTER_ASSERT(reporter, info7.fLocalMat.isIdentity()); REPORTER_ASSERT(reporter, info7.fPreMat.isIdentity()); REPORTER_ASSERT(reporter, NULL != info7.fPaint); REPORTER_ASSERT(reporter, info7.fIsNested && !info7.fHasNestedLayers); // is nested } } static void test_has_text(skiatest::Reporter* reporter) { SkPictureRecorder recorder; SkCanvas* canvas = recorder.beginRecording(100,100); { canvas->drawRect(SkRect::MakeWH(20, 20), SkPaint()); } SkAutoTUnref picture(recorder.endRecording()); REPORTER_ASSERT(reporter, !picture->hasText()); SkPoint point = SkPoint::Make(10, 10); canvas = recorder.beginRecording(100,100); { canvas->drawText("Q", 1, point.fX, point.fY, SkPaint()); } picture.reset(recorder.endRecording()); REPORTER_ASSERT(reporter, picture->hasText()); canvas = recorder.beginRecording(100,100); { canvas->drawPosText("Q", 1, &point, SkPaint()); } picture.reset(recorder.endRecording()); REPORTER_ASSERT(reporter, picture->hasText()); canvas = recorder.beginRecording(100,100); { canvas->drawPosTextH("Q", 1, &point.fX, point.fY, SkPaint()); } picture.reset(recorder.endRecording()); REPORTER_ASSERT(reporter, picture->hasText()); canvas = recorder.beginRecording(100,100); { SkPath path; path.moveTo(0, 0); path.lineTo(50, 50); canvas->drawTextOnPathHV("Q", 1, path, point.fX, point.fY, SkPaint()); } picture.reset(recorder.endRecording()); REPORTER_ASSERT(reporter, picture->hasText()); canvas = recorder.beginRecording(100,100); { SkPath path; path.moveTo(0, 0); path.lineTo(50, 50); canvas->drawTextOnPath("Q", 1, path, NULL, SkPaint()); } picture.reset(recorder.endRecording()); REPORTER_ASSERT(reporter, picture->hasText()); // Nest the previous picture inside a new one. canvas = recorder.beginRecording(100,100); { canvas->drawPicture(picture.get()); } picture.reset(recorder.endRecording()); REPORTER_ASSERT(reporter, picture->hasText()); } 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){ } virtual SaveLayerStrategy willSaveLayer(const SkRect* bounds, const SkPaint* paint, SaveFlags flags) override { ++fSaveLayerCount; return this->INHERITED::willSaveLayer(bounds, paint, flags); } 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 SkPicture* Copy(SkPictureRecorder* recorder) { SkPictureRecorder recorder2; SkCanvas* canvas = recorder2.beginRecording(10, 10); recorder->partialReplay(canvas); return recorder2.endRecording(); } }; static void create_imbalance(SkCanvas* canvas) { SkRect clipRect = SkRect::MakeWH(2, 2); SkRect drawRect = SkRect::MakeWH(10, 10); canvas->save(); canvas->clipRect(clipRect, SkRegion::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(NULL, NULL); SkAutoTUnref copy(SkPictureRecorderReplayTester::Copy(&recorder)); // The extra save and restore comes from the Copy process. check_save_state(reporter, copy, 2, 1, 3); canvas->saveLayer(NULL, NULL); SkAutoTUnref final(recorder.endRecording()); check_save_state(reporter, final, 1, 2, 3); // The copy shouldn't pick up any operations added after it was made check_save_state(reporter, copy, 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); SkAutoTUnref 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->drawBitmapRectToRect(bm, NULL, r); SkAutoTUnref final(recorder.endRecording()); 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, NULL, 0); create_imbalance(canvas); int expectedSaveCount = canvas->getSaveCount(); SkAutoTUnref copy(SkPictureRecorderReplayTester::Copy(&recorder)); check_balance(reporter, copy); REPORTER_ASSERT(reporter, expectedSaveCount = canvas->getSaveCount()); // End the recording of source to test the picture finalization // process isn't complicated by the partialReplay step SkAutoTUnref final(recorder.endRecording()); } } 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); SkAutoTUnref extraSavePicture(recorder.endRecording()); 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(); SkAutoTUnref extraRestorePicture(recorder.endRecording()); 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); SkAutoTUnref noSavePicture(recorder.endRecording()); 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); } SkAutoTUnref picture(recorder.endRecording()); 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(); } SkAutoTUnref picture(recorder.endRecording()); } } #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); SkAutoTUnref picture(recorder.endRecording()); SkCanvas canvas; canvas.drawPicture(picture); } #endif static SkData* serialized_picture_from_bitmap(const SkBitmap& bitmap) { SkPictureRecorder recorder; SkCanvas* canvas = recorder.beginRecording(SkIntToScalar(bitmap.width()), SkIntToScalar(bitmap.height())); canvas->drawBitmap(bitmap, 0, 0); SkAutoTUnref picture(recorder.endRecording()); SkDynamicMemoryWStream wStream; sk_tool_utils::PngPixelSerializer serializer; picture->serialize(&wStream, &serializer); return wStream.copyToData(); } struct ErrorContext { int fErrors; skiatest::Reporter* fReporter; }; static void assert_one_parse_error_cb(SkError error, void* context) { ErrorContext* errorContext = static_cast(context); errorContext->fErrors++; // This test only expects one error, and that is a kParseError. If there are others, // there is some unknown problem. REPORTER_ASSERT_MESSAGE(errorContext->fReporter, 1 == errorContext->fErrors, "This threw more errors than expected."); REPORTER_ASSERT_MESSAGE(errorContext->fReporter, kParseError_SkError == error, SkGetLastErrorString()); } static void test_bitmap_with_encoded_data(skiatest::Reporter* reporter) { // Create a bitmap that will be encoded. SkBitmap original; make_bm(&original, 100, 100, SK_ColorBLUE, true); SkDynamicMemoryWStream wStream; if (!SkImageEncoder::EncodeStream(&wStream, original, SkImageEncoder::kPNG_Type, 100)) { return; } SkAutoDataUnref data(wStream.copyToData()); SkBitmap bm; bool installSuccess = SkInstallDiscardablePixelRef(data, &bm); REPORTER_ASSERT(reporter, installSuccess); // Write both bitmaps to pictures, and ensure that the resulting data streams are the same. // Flattening original will follow the old path of performing an encode, while flattening bm // will use the already encoded data. SkAutoDataUnref picture1(serialized_picture_from_bitmap(original)); SkAutoDataUnref picture2(serialized_picture_from_bitmap(bm)); REPORTER_ASSERT(reporter, picture1->equals(picture2)); // Now test that a parse error was generated when trying to create a new SkPicture without // providing a function to decode the bitmap. ErrorContext context; context.fErrors = 0; context.fReporter = reporter; SkSetErrorCallback(assert_one_parse_error_cb, &context); SkMemoryStream pictureStream(picture1); SkClearLastError(); SkAutoTUnref pictureFromStream(SkPicture::CreateFromStream(&pictureStream, NULL)); REPORTER_ASSERT(reporter, pictureFromStream.get() != NULL); SkClearLastError(); SkSetErrorCallback(NULL, NULL); } 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, SkRegion::kIntersect_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, SkRegion::kIntersect_Op); canvas->clipPath(invPath, SkRegion::kIntersect_Op); 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, SkRegion::kIntersect_Op); canvas->clipPath(invPath, SkRegion::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, SkRegion::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, SkRegion::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, SkRegion::kIntersect_Op); canvas->clipPath(path2, SkRegion::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); } } /** * A canvas that records the number of clip commands. */ class ClipCountingCanvas : public SkCanvas { public: ClipCountingCanvas(int width, int height) : INHERITED(width, height) , fClipCount(0){ } virtual void onClipRect(const SkRect& r, SkRegion::Op op, ClipEdgeStyle edgeStyle) override { fClipCount += 1; this->INHERITED::onClipRect(r, op, edgeStyle); } virtual void onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle)override { fClipCount += 1; this->INHERITED::onClipRRect(rrect, op, edgeStyle); } virtual void onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) override { fClipCount += 1; this->INHERITED::onClipPath(path, op, edgeStyle); } void onClipRegion(const SkRegion& deviceRgn, SkRegion::Op 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(), SkRegion::kReplace_Op); // The following expanding clip should not be skipped. canvas->clipRect(SkRect::MakeXYWH(4, 4, 3, 3), SkRegion::kUnion_Op); // Draw something so the optimizer doesn't just fold the world. SkPaint p; p.setColor(SK_ColorBLUE); canvas->drawPaint(p); SkAutoTUnref picture(recorder.endRecording()); 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); SkAutoTUnref childPlain(recorder.endRecording()); REPORTER_ASSERT(reporter, !childPlain->willPlayBackBitmaps()); // 0 recorder.beginRecording(10, 10)->drawBitmap(bm, 0, 0); SkAutoTUnref childWithBitmap(recorder.endRecording()); REPORTER_ASSERT(reporter, childWithBitmap->willPlayBackBitmaps()); // 1 { SkCanvas* canvas = recorder.beginRecording(10, 10); canvas->drawPicture(childPlain); SkAutoTUnref parentPP(recorder.endRecording()); REPORTER_ASSERT(reporter, !parentPP->willPlayBackBitmaps()); // 0 } { SkCanvas* canvas = recorder.beginRecording(10, 10); canvas->drawPicture(childWithBitmap); SkAutoTUnref parentPWB(recorder.endRecording()); REPORTER_ASSERT(reporter, parentPWB->willPlayBackBitmaps()); // 1 } { SkCanvas* canvas = recorder.beginRecording(10, 10); canvas->drawBitmap(bm, 0, 0); canvas->drawPicture(childPlain); SkAutoTUnref parentWBP(recorder.endRecording()); REPORTER_ASSERT(reporter, parentWBP->willPlayBackBitmaps()); // 1 } { SkCanvas* canvas = recorder.beginRecording(10, 10); canvas->drawBitmap(bm, 0, 0); canvas->drawPicture(childWithBitmap); SkAutoTUnref parentWBWB(recorder.endRecording()); REPORTER_ASSERT(reporter, parentWBWB->willPlayBackBitmaps()); // 2 } } static void test_gen_id(skiatest::Reporter* reporter) { SkPictureRecorder recorder; recorder.beginRecording(0, 0); SkAutoTUnref empty(recorder.endRecording()); // 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); SkAutoTUnref hasData(recorder.endRecording()); // 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()); } DEF_TEST(Picture, 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_has_text(reporter); test_analysis(reporter); test_bitmap_with_encoded_data(reporter); test_clip_bound_opt(reporter); test_clip_expansion(reporter); test_hierarchical(reporter); test_gen_id(reporter); test_savelayer_extraction(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 }; // Don't care what these record, as long as they're legal. canvas->drawBitmap(bitmap, 0.0f, 0.0f, &paint); canvas->drawBitmapRectToRect(bitmap, &rect, rect, &paint, SkCanvas::kNone_DrawBitmapRectFlag); canvas->drawBitmapNine(bitmap, irect, rect, &paint); canvas->drawSprite(bitmap, 1, 1); } 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)); SkAutoTUnref picture(recorder.endRecording()); } 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 // drawBitmapRectToRect // drawBitmapRectToRect // 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(); SkAutoTUnref picture(recorder.endRecording()); // 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* 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()); SkAutoTUnref picture(recorder.endRecording()); 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()); SkAutoTUnref 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.reset(rec.endRecording()); } // 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.reset(NULL); 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.endRecording()->unref(); 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::CreateColorShader(SK_ColorRED))->unref(); 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. }