| /* |
| * 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<SkPicture> 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<SkPicture> 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<SkPicture> 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<SkDashPathEffect> 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<SkPicture> 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<SkColorFilter> blueToRed(SkColorMatrixFilter::Create(blueToRedMatrix)); |
| SkAutoTUnref<SkImageFilter> filter(SkColorFilterImageFilter::Create(blueToRed.get())); |
| |
| SkPaint complexPaint; |
| complexPaint.setImageFilter(filter); |
| |
| SkAutoTUnref<SkPicture> 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<const SkLayerInfo*>(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<SkPicture> 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<SkPicture> 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<SkPicture> 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<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->drawBitmapRectToRect(bm, NULL, r); |
| |
| SkAutoTUnref<SkPicture> 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<SkPicture> 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<SkPicture> 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<SkPicture> 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<SkPicture> 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<SkPicture> 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<SkPicture> 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<SkPicture> 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<SkPicture> 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<SkPicture> 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<ErrorContext*>(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<SkPicture> 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<SkPicture> 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<SkPicture> childPlain(recorder.endRecording()); |
| REPORTER_ASSERT(reporter, !childPlain->willPlayBackBitmaps()); // 0 |
| |
| recorder.beginRecording(10, 10)->drawBitmap(bm, 0, 0); |
| SkAutoTUnref<SkPicture> childWithBitmap(recorder.endRecording()); |
| REPORTER_ASSERT(reporter, childWithBitmap->willPlayBackBitmaps()); // 1 |
| |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| canvas->drawPicture(childPlain); |
| SkAutoTUnref<SkPicture> parentPP(recorder.endRecording()); |
| REPORTER_ASSERT(reporter, !parentPP->willPlayBackBitmaps()); // 0 |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| canvas->drawPicture(childWithBitmap); |
| SkAutoTUnref<SkPicture> parentPWB(recorder.endRecording()); |
| REPORTER_ASSERT(reporter, parentPWB->willPlayBackBitmaps()); // 1 |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| canvas->drawBitmap(bm, 0, 0); |
| canvas->drawPicture(childPlain); |
| SkAutoTUnref<SkPicture> parentWBP(recorder.endRecording()); |
| REPORTER_ASSERT(reporter, parentWBP->willPlayBackBitmaps()); // 1 |
| } |
| { |
| SkCanvas* canvas = recorder.beginRecording(10, 10); |
| canvas->drawBitmap(bm, 0, 0); |
| canvas->drawPicture(childWithBitmap); |
| SkAutoTUnref<SkPicture> parentWBWB(recorder.endRecording()); |
| REPORTER_ASSERT(reporter, parentWBWB->willPlayBackBitmaps()); // 2 |
| } |
| } |
| |
| static void test_gen_id(skiatest::Reporter* reporter) { |
| |
| SkPictureRecorder recorder; |
| recorder.beginRecording(0, 0); |
| SkAutoTUnref<SkPicture> 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<SkPicture> 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<SkPicture> 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<SkPicture> 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<unsigned>* 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<const SkPicture> 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<const 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.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. |
| } |
