| /* |
| * Copyright 2013 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #include "SkBitmap.h" |
| #include "SkBitmapDevice.h" |
| #include "SkBlurImageFilter.h" |
| #include "SkCanvas.h" |
| #include "SkColorFilterImageFilter.h" |
| #include "SkColorMatrixFilter.h" |
| #include "SkComposeImageFilter.h" |
| #include "SkDisplacementMapEffect.h" |
| #include "SkDropShadowImageFilter.h" |
| #include "SkFlattenableSerialization.h" |
| #include "SkGradientShader.h" |
| #include "SkImage.h" |
| #include "SkImageSource.h" |
| #include "SkLightingImageFilter.h" |
| #include "SkMatrixConvolutionImageFilter.h" |
| #include "SkMergeImageFilter.h" |
| #include "SkMorphologyImageFilter.h" |
| #include "SkOffsetImageFilter.h" |
| #include "SkPaintImageFilter.h" |
| #include "SkPerlinNoiseShader.h" |
| #include "SkPicture.h" |
| #include "SkPictureImageFilter.h" |
| #include "SkPictureRecorder.h" |
| #include "SkPoint3.h" |
| #include "SkReadBuffer.h" |
| #include "SkRect.h" |
| #include "SkSurface.h" |
| #include "SkTableColorFilter.h" |
| #include "SkTileImageFilter.h" |
| #include "SkXfermodeImageFilter.h" |
| #include "Test.h" |
| |
| #if SK_SUPPORT_GPU |
| #include "GrContext.h" |
| #include "SkGpuDevice.h" |
| #endif |
| |
| static const int kBitmapSize = 4; |
| |
| namespace { |
| |
| class MatrixTestImageFilter : public SkImageFilter { |
| public: |
| MatrixTestImageFilter(skiatest::Reporter* reporter, const SkMatrix& expectedMatrix) |
| : SkImageFilter(0, nullptr), fReporter(reporter), fExpectedMatrix(expectedMatrix) { |
| } |
| |
| virtual bool onFilterImage(Proxy*, const SkBitmap& src, const Context& ctx, |
| SkBitmap* result, SkIPoint* offset) const override { |
| REPORTER_ASSERT(fReporter, ctx.ctm() == fExpectedMatrix); |
| return true; |
| } |
| |
| SK_TO_STRING_OVERRIDE() |
| SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(MatrixTestImageFilter) |
| |
| protected: |
| void flatten(SkWriteBuffer& buffer) const override { |
| this->INHERITED::flatten(buffer); |
| buffer.writeFunctionPtr(fReporter); |
| buffer.writeMatrix(fExpectedMatrix); |
| } |
| |
| private: |
| skiatest::Reporter* fReporter; |
| SkMatrix fExpectedMatrix; |
| |
| typedef SkImageFilter INHERITED; |
| }; |
| |
| } |
| |
| SkFlattenable* MatrixTestImageFilter::CreateProc(SkReadBuffer& buffer) { |
| SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); |
| skiatest::Reporter* reporter = (skiatest::Reporter*)buffer.readFunctionPtr(); |
| SkMatrix matrix; |
| buffer.readMatrix(&matrix); |
| return new MatrixTestImageFilter(reporter, matrix); |
| } |
| |
| #ifndef SK_IGNORE_TO_STRING |
| void MatrixTestImageFilter::toString(SkString* str) const { |
| str->appendf("MatrixTestImageFilter: ("); |
| str->append(")"); |
| } |
| #endif |
| |
| static SkImage* make_small_image() { |
| SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(kBitmapSize, kBitmapSize)); |
| SkCanvas* canvas = surface->getCanvas(); |
| canvas->clear(0x00000000); |
| SkPaint darkPaint; |
| darkPaint.setColor(0xFF804020); |
| SkPaint lightPaint; |
| lightPaint.setColor(0xFF244484); |
| const int i = kBitmapSize / 4; |
| for (int y = 0; y < kBitmapSize; y += i) { |
| for (int x = 0; x < kBitmapSize; x += i) { |
| canvas->save(); |
| canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); |
| canvas->drawRect(SkRect::MakeXYWH(0, 0, |
| SkIntToScalar(i), |
| SkIntToScalar(i)), darkPaint); |
| canvas->drawRect(SkRect::MakeXYWH(SkIntToScalar(i), |
| 0, |
| SkIntToScalar(i), |
| SkIntToScalar(i)), lightPaint); |
| canvas->drawRect(SkRect::MakeXYWH(0, |
| SkIntToScalar(i), |
| SkIntToScalar(i), |
| SkIntToScalar(i)), lightPaint); |
| canvas->drawRect(SkRect::MakeXYWH(SkIntToScalar(i), |
| SkIntToScalar(i), |
| SkIntToScalar(i), |
| SkIntToScalar(i)), darkPaint); |
| canvas->restore(); |
| } |
| } |
| |
| return surface->newImageSnapshot(); |
| } |
| |
| static SkImageFilter* make_scale(float amount, SkImageFilter* input = nullptr) { |
| SkScalar s = amount; |
| SkScalar matrix[20] = { s, 0, 0, 0, 0, |
| 0, s, 0, 0, 0, |
| 0, 0, s, 0, 0, |
| 0, 0, 0, s, 0 }; |
| SkAutoTUnref<SkColorFilter> filter(SkColorMatrixFilter::Create(matrix)); |
| return SkColorFilterImageFilter::Create(filter, input); |
| } |
| |
| static SkImageFilter* make_grayscale(SkImageFilter* input, const SkImageFilter::CropRect* cropRect) { |
| SkScalar matrix[20]; |
| memset(matrix, 0, 20 * sizeof(SkScalar)); |
| matrix[0] = matrix[5] = matrix[10] = 0.2126f; |
| matrix[1] = matrix[6] = matrix[11] = 0.7152f; |
| matrix[2] = matrix[7] = matrix[12] = 0.0722f; |
| matrix[18] = 1.0f; |
| SkAutoTUnref<SkColorFilter> filter(SkColorMatrixFilter::Create(matrix)); |
| return SkColorFilterImageFilter::Create(filter, input, cropRect); |
| } |
| |
| static SkImageFilter* make_blue(SkImageFilter* input, const SkImageFilter::CropRect* cropRect) { |
| SkAutoTUnref<SkColorFilter> filter(SkColorFilter::CreateModeFilter(SK_ColorBLUE, |
| SkXfermode::kSrcIn_Mode)); |
| return SkColorFilterImageFilter::Create(filter, input, cropRect); |
| } |
| |
| DEF_TEST(ImageFilter, reporter) { |
| { |
| // Check that two non-clipping color-matrice-filters concatenate into a single filter. |
| SkAutoTUnref<SkImageFilter> halfBrightness(make_scale(0.5f)); |
| SkAutoTUnref<SkImageFilter> quarterBrightness(make_scale(0.5f, halfBrightness)); |
| REPORTER_ASSERT(reporter, nullptr == quarterBrightness->getInput(0)); |
| SkColorFilter* cf; |
| REPORTER_ASSERT(reporter, quarterBrightness->asColorFilter(&cf)); |
| REPORTER_ASSERT(reporter, cf->asColorMatrix(nullptr)); |
| cf->unref(); |
| } |
| |
| { |
| // Check that a clipping color-matrice-filter followed by a color-matrice-filters |
| // concatenates into a single filter, but not a matrixfilter (due to clamping). |
| SkAutoTUnref<SkImageFilter> doubleBrightness(make_scale(2.0f)); |
| SkAutoTUnref<SkImageFilter> halfBrightness(make_scale(0.5f, doubleBrightness)); |
| REPORTER_ASSERT(reporter, nullptr == halfBrightness->getInput(0)); |
| SkColorFilter* cf; |
| REPORTER_ASSERT(reporter, halfBrightness->asColorFilter(&cf)); |
| REPORTER_ASSERT(reporter, !cf->asColorMatrix(nullptr)); |
| cf->unref(); |
| } |
| |
| { |
| // Check that a color filter image filter without a crop rect can be |
| // expressed as a color filter. |
| SkAutoTUnref<SkImageFilter> gray(make_grayscale(nullptr, nullptr)); |
| REPORTER_ASSERT(reporter, true == gray->asColorFilter(nullptr)); |
| } |
| |
| { |
| // Check that a colorfilterimage filter without a crop rect but with an input |
| // that is another colorfilterimage can be expressed as a colorfilter (composed). |
| SkAutoTUnref<SkImageFilter> mode(make_blue(nullptr, nullptr)); |
| SkAutoTUnref<SkImageFilter> gray(make_grayscale(mode, nullptr)); |
| REPORTER_ASSERT(reporter, true == gray->asColorFilter(nullptr)); |
| } |
| |
| { |
| // Test that if we exceed the limit of what ComposeColorFilter can combine, we still |
| // can build the DAG and won't assert if we call asColorFilter. |
| SkAutoTUnref<SkImageFilter> filter(make_blue(nullptr, nullptr)); |
| const int kWayTooManyForComposeColorFilter = 100; |
| for (int i = 0; i < kWayTooManyForComposeColorFilter; ++i) { |
| filter.reset(make_blue(filter, nullptr)); |
| // the first few of these will succeed, but after we hit the internal limit, |
| // it will then return false. |
| (void)filter->asColorFilter(nullptr); |
| } |
| } |
| |
| { |
| // Check that a color filter image filter with a crop rect cannot |
| // be expressed as a color filter. |
| SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(0, 0, 100, 100)); |
| SkAutoTUnref<SkImageFilter> grayWithCrop(make_grayscale(nullptr, &cropRect)); |
| REPORTER_ASSERT(reporter, false == grayWithCrop->asColorFilter(nullptr)); |
| } |
| |
| { |
| // Check that two non-commutative matrices are concatenated in |
| // the correct order. |
| SkScalar blueToRedMatrix[20] = { 0 }; |
| blueToRedMatrix[2] = blueToRedMatrix[18] = SK_Scalar1; |
| SkScalar redToGreenMatrix[20] = { 0 }; |
| redToGreenMatrix[5] = redToGreenMatrix[18] = SK_Scalar1; |
| SkAutoTUnref<SkColorFilter> blueToRed(SkColorMatrixFilter::Create(blueToRedMatrix)); |
| SkAutoTUnref<SkImageFilter> filter1(SkColorFilterImageFilter::Create(blueToRed.get())); |
| SkAutoTUnref<SkColorFilter> redToGreen(SkColorMatrixFilter::Create(redToGreenMatrix)); |
| SkAutoTUnref<SkImageFilter> filter2(SkColorFilterImageFilter::Create(redToGreen.get(), filter1.get())); |
| |
| SkBitmap result; |
| result.allocN32Pixels(kBitmapSize, kBitmapSize); |
| |
| SkPaint paint; |
| paint.setColor(SK_ColorBLUE); |
| paint.setImageFilter(filter2.get()); |
| SkCanvas canvas(result); |
| canvas.clear(0x0); |
| SkRect rect = SkRect::Make(SkIRect::MakeWH(kBitmapSize, kBitmapSize)); |
| canvas.drawRect(rect, paint); |
| uint32_t pixel = *result.getAddr32(0, 0); |
| // The result here should be green, since we have effectively shifted blue to green. |
| REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); |
| } |
| |
| { |
| // Tests pass by not asserting |
| SkAutoTUnref<SkImage> image(make_small_image()); |
| SkBitmap result; |
| result.allocN32Pixels(kBitmapSize, kBitmapSize); |
| |
| { |
| // This tests for : |
| // 1 ) location at (0,0,1) |
| SkPoint3 location = SkPoint3::Make(0, 0, SK_Scalar1); |
| // 2 ) location and target at same value |
| SkPoint3 target = SkPoint3::Make(location.fX, location.fY, location.fZ); |
| // 3 ) large negative specular exponent value |
| SkScalar specularExponent = -1000; |
| |
| SkAutoTUnref<SkImageFilter> bmSrc(SkImageSource::Create(image)); |
| SkPaint paint; |
| paint.setImageFilter(SkLightingImageFilter::CreateSpotLitSpecular( |
| location, target, specularExponent, 180, |
| 0xFFFFFFFF, SK_Scalar1, SK_Scalar1, SK_Scalar1, |
| bmSrc))->unref(); |
| SkCanvas canvas(result); |
| SkRect r = SkRect::MakeWH(SkIntToScalar(kBitmapSize), |
| SkIntToScalar(kBitmapSize)); |
| canvas.drawRect(r, paint); |
| } |
| } |
| } |
| |
| static void test_crop_rects(SkImageFilter::Proxy* proxy, skiatest::Reporter* reporter) { |
| // Check that all filters offset to their absolute crop rect, |
| // unaffected by the input crop rect. |
| // Tests pass by not asserting. |
| SkBitmap bitmap; |
| bitmap.allocN32Pixels(100, 100); |
| bitmap.eraseARGB(0, 0, 0, 0); |
| |
| SkImageFilter::CropRect inputCropRect(SkRect::MakeXYWH(8, 13, 80, 80)); |
| SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(20, 30, 60, 60)); |
| SkAutoTUnref<SkImageFilter> input(make_grayscale(nullptr, &inputCropRect)); |
| |
| SkAutoTUnref<SkColorFilter> cf(SkColorFilter::CreateModeFilter(SK_ColorRED, SkXfermode::kSrcIn_Mode)); |
| SkPoint3 location = SkPoint3::Make(0, 0, SK_Scalar1); |
| SkScalar kernel[9] = { |
| SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1), |
| SkIntToScalar( 1), SkIntToScalar(-7), SkIntToScalar( 1), |
| SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1), |
| }; |
| SkISize kernelSize = SkISize::Make(3, 3); |
| SkScalar gain = SK_Scalar1, bias = 0; |
| |
| SkImageFilter* filters[] = { |
| SkColorFilterImageFilter::Create(cf.get(), input.get(), &cropRect), |
| SkDisplacementMapEffect::Create(SkDisplacementMapEffect::kR_ChannelSelectorType, |
| SkDisplacementMapEffect::kB_ChannelSelectorType, |
| 40.0f, input.get(), input.get(), &cropRect), |
| SkBlurImageFilter::Create(SK_Scalar1, SK_Scalar1, input.get(), &cropRect), |
| SkDropShadowImageFilter::Create(SK_Scalar1, SK_Scalar1, SK_Scalar1, SK_Scalar1, |
| SK_ColorGREEN, SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode, |
| input.get(), &cropRect), |
| SkLightingImageFilter::CreatePointLitDiffuse(location, SK_ColorGREEN, 0, 0, input.get(), &cropRect), |
| SkLightingImageFilter::CreatePointLitSpecular(location, SK_ColorGREEN, 0, 0, 0, input.get(), &cropRect), |
| SkMatrixConvolutionImageFilter::Create(kernelSize, kernel, gain, bias, SkIPoint::Make(1, 1), SkMatrixConvolutionImageFilter::kRepeat_TileMode, false, input.get(), &cropRect), |
| SkMergeImageFilter::Create(input.get(), input.get(), SkXfermode::kSrcOver_Mode, &cropRect), |
| SkOffsetImageFilter::Create(SK_Scalar1, SK_Scalar1, input.get(), &cropRect), |
| SkOffsetImageFilter::Create(SK_Scalar1, SK_Scalar1, input.get(), &cropRect), |
| SkDilateImageFilter::Create(3, 2, input.get(), &cropRect), |
| SkErodeImageFilter::Create(2, 3, input.get(), &cropRect), |
| SkTileImageFilter::Create(inputCropRect.rect(), cropRect.rect(), input.get()), |
| SkXfermodeImageFilter::Create(SkXfermode::Create(SkXfermode::kSrcOver_Mode), input.get(), input.get(), &cropRect), |
| }; |
| |
| for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) { |
| SkImageFilter* filter = filters[i]; |
| SkBitmap result; |
| SkIPoint offset; |
| SkString str; |
| str.printf("filter %d", static_cast<int>(i)); |
| SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeWH(100, 100), nullptr); |
| REPORTER_ASSERT_MESSAGE(reporter, filter->filterImage(proxy, bitmap, ctx, |
| &result, &offset), str.c_str()); |
| REPORTER_ASSERT_MESSAGE(reporter, offset.fX == 20 && offset.fY == 30, str.c_str()); |
| } |
| |
| for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) { |
| SkSafeUnref(filters[i]); |
| } |
| } |
| |
| static SkBitmap make_gradient_circle(int width, int height) { |
| SkBitmap bitmap; |
| SkScalar x = SkIntToScalar(width / 2); |
| SkScalar y = SkIntToScalar(height / 2); |
| SkScalar radius = SkMinScalar(x, y) * 0.8f; |
| bitmap.allocN32Pixels(width, height); |
| SkCanvas canvas(bitmap); |
| canvas.clear(0x00000000); |
| SkColor colors[2]; |
| colors[0] = SK_ColorWHITE; |
| colors[1] = SK_ColorBLACK; |
| SkAutoTUnref<SkShader> shader( |
| SkGradientShader::CreateRadial(SkPoint::Make(x, y), radius, colors, nullptr, 2, |
| SkShader::kClamp_TileMode) |
| ); |
| SkPaint paint; |
| paint.setShader(shader); |
| canvas.drawCircle(x, y, radius, paint); |
| return bitmap; |
| } |
| |
| static void test_negative_blur_sigma(SkImageFilter::Proxy* proxy, skiatest::Reporter* reporter) { |
| // Check that SkBlurImageFilter will accept a negative sigma, either in |
| // the given arguments or after CTM application. |
| const int width = 32, height = 32; |
| const SkScalar five = SkIntToScalar(5); |
| |
| SkAutoTUnref<SkImageFilter> positiveFilter(SkBlurImageFilter::Create(five, five)); |
| SkAutoTUnref<SkImageFilter> negativeFilter(SkBlurImageFilter::Create(-five, five)); |
| |
| SkBitmap gradient = make_gradient_circle(width, height); |
| SkBitmap positiveResult1, negativeResult1; |
| SkBitmap positiveResult2, negativeResult2; |
| SkIPoint offset; |
| SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeWH(32, 32), nullptr); |
| REPORTER_ASSERT(reporter, positiveFilter->filterImage(proxy, gradient, ctx, &positiveResult1, &offset)); |
| REPORTER_ASSERT(reporter, negativeFilter->filterImage(proxy, gradient, ctx, &negativeResult1, &offset)); |
| SkMatrix negativeScale; |
| negativeScale.setScale(-SK_Scalar1, SK_Scalar1); |
| SkImageFilter::Context negativeCTX(negativeScale, SkIRect::MakeWH(32, 32), nullptr); |
| REPORTER_ASSERT(reporter, positiveFilter->filterImage(proxy, gradient, negativeCTX, &negativeResult2, &offset)); |
| REPORTER_ASSERT(reporter, negativeFilter->filterImage(proxy, gradient, negativeCTX, &positiveResult2, &offset)); |
| SkAutoLockPixels lockP1(positiveResult1); |
| SkAutoLockPixels lockP2(positiveResult2); |
| SkAutoLockPixels lockN1(negativeResult1); |
| SkAutoLockPixels lockN2(negativeResult2); |
| for (int y = 0; y < height; y++) { |
| int diffs = memcmp(positiveResult1.getAddr32(0, y), negativeResult1.getAddr32(0, y), positiveResult1.rowBytes()); |
| REPORTER_ASSERT(reporter, !diffs); |
| if (diffs) { |
| break; |
| } |
| diffs = memcmp(positiveResult1.getAddr32(0, y), negativeResult2.getAddr32(0, y), positiveResult1.rowBytes()); |
| REPORTER_ASSERT(reporter, !diffs); |
| if (diffs) { |
| break; |
| } |
| diffs = memcmp(positiveResult1.getAddr32(0, y), positiveResult2.getAddr32(0, y), positiveResult1.rowBytes()); |
| REPORTER_ASSERT(reporter, !diffs); |
| if (diffs) { |
| break; |
| } |
| } |
| } |
| |
| DEF_TEST(TestNegativeBlurSigma, reporter) { |
| const SkImageInfo info = SkImageInfo::MakeN32Premul(100, 100); |
| const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType); |
| |
| SkAutoTUnref<SkBaseDevice> device(SkBitmapDevice::Create(info, props)); |
| SkImageFilter::DeviceProxy proxy(device); |
| |
| test_negative_blur_sigma(&proxy, reporter); |
| } |
| |
| DEF_TEST(ImageFilterDrawTiled, reporter) { |
| // Check that all filters when drawn tiled (with subsequent clip rects) exactly |
| // match the same filters drawn with a single full-canvas bitmap draw. |
| // Tests pass by not asserting. |
| |
| SkAutoTUnref<SkColorFilter> cf(SkColorFilter::CreateModeFilter(SK_ColorRED, SkXfermode::kSrcIn_Mode)); |
| SkPoint3 location = SkPoint3::Make(0, 0, SK_Scalar1); |
| SkScalar kernel[9] = { |
| SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1), |
| SkIntToScalar( 1), SkIntToScalar(-7), SkIntToScalar( 1), |
| SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1), |
| }; |
| const SkISize kernelSize = SkISize::Make(3, 3); |
| const SkScalar gain = SK_Scalar1, bias = 0; |
| const SkScalar five = SkIntToScalar(5); |
| |
| SkAutoTUnref<SkImage> gradientImage(SkImage::NewFromBitmap(make_gradient_circle(64, 64))); |
| SkAutoTUnref<SkImageFilter> gradientSource(SkImageSource::Create(gradientImage)); |
| SkAutoTUnref<SkImageFilter> blur(SkBlurImageFilter::Create(five, five)); |
| SkMatrix matrix; |
| |
| matrix.setTranslate(SK_Scalar1, SK_Scalar1); |
| matrix.postRotate(SkIntToScalar(45), SK_Scalar1, SK_Scalar1); |
| |
| SkRTreeFactory factory; |
| SkPictureRecorder recorder; |
| SkCanvas* recordingCanvas = recorder.beginRecording(64, 64, &factory, 0); |
| |
| SkPaint greenPaint; |
| greenPaint.setColor(SK_ColorGREEN); |
| recordingCanvas->drawRect(SkRect::Make(SkIRect::MakeXYWH(10, 10, 30, 20)), greenPaint); |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| SkAutoTUnref<SkImageFilter> pictureFilter(SkPictureImageFilter::Create(picture.get())); |
| SkAutoTUnref<SkShader> shader(SkPerlinNoiseShader::CreateTurbulence(SK_Scalar1, SK_Scalar1, 1, 0)); |
| SkPaint noisePaint; |
| noisePaint.setShader(shader); |
| |
| SkAutoTUnref<SkImageFilter> paintFilter(SkPaintImageFilter::Create(noisePaint)); |
| |
| SkImageFilter::CropRect leftSideCropRect(SkRect::MakeXYWH(0, 0, 32, 64)); |
| SkAutoTUnref<SkImageFilter> paintFilterLeft(SkPaintImageFilter::Create(greenPaint, &leftSideCropRect)); |
| SkImageFilter::CropRect rightSideCropRect(SkRect::MakeXYWH(32, 0, 32, 64)); |
| SkAutoTUnref<SkImageFilter> paintFilterRight(SkPaintImageFilter::Create(greenPaint, &rightSideCropRect)); |
| |
| struct { |
| const char* fName; |
| SkImageFilter* fFilter; |
| } filters[] = { |
| { "color filter", SkColorFilterImageFilter::Create(cf.get()) }, |
| { "displacement map", SkDisplacementMapEffect::Create( |
| SkDisplacementMapEffect::kR_ChannelSelectorType, |
| SkDisplacementMapEffect::kB_ChannelSelectorType, |
| 20.0f, gradientSource.get()) }, |
| { "blur", SkBlurImageFilter::Create(SK_Scalar1, SK_Scalar1) }, |
| { "drop shadow", SkDropShadowImageFilter::Create( |
| SK_Scalar1, SK_Scalar1, SK_Scalar1, SK_Scalar1, SK_ColorGREEN, |
| SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode) }, |
| { "diffuse lighting", SkLightingImageFilter::CreatePointLitDiffuse( |
| location, SK_ColorGREEN, 0, 0) }, |
| { "specular lighting", |
| SkLightingImageFilter::CreatePointLitSpecular(location, SK_ColorGREEN, 0, 0, 0) }, |
| { "matrix convolution", |
| SkMatrixConvolutionImageFilter::Create( |
| kernelSize, kernel, gain, bias, SkIPoint::Make(1, 1), |
| SkMatrixConvolutionImageFilter::kRepeat_TileMode, false) }, |
| { "merge", SkMergeImageFilter::Create(nullptr, nullptr, SkXfermode::kSrcOver_Mode) }, |
| { "merge with disjoint inputs", SkMergeImageFilter::Create( |
| paintFilterLeft, paintFilterRight, SkXfermode::kSrcOver_Mode) }, |
| { "offset", SkOffsetImageFilter::Create(SK_Scalar1, SK_Scalar1) }, |
| { "dilate", SkDilateImageFilter::Create(3, 2) }, |
| { "erode", SkErodeImageFilter::Create(2, 3) }, |
| { "tile", SkTileImageFilter::Create(SkRect::MakeXYWH(0, 0, 50, 50), |
| SkRect::MakeXYWH(0, 0, 100, 100), nullptr) }, |
| { "matrix", SkImageFilter::CreateMatrixFilter(matrix, kLow_SkFilterQuality) }, |
| { "blur and offset", SkOffsetImageFilter::Create(five, five, blur.get()) }, |
| { "picture and blur", SkBlurImageFilter::Create(five, five, pictureFilter.get()) }, |
| { "paint and blur", SkBlurImageFilter::Create(five, five, paintFilter.get()) }, |
| }; |
| |
| SkBitmap untiledResult, tiledResult; |
| const int width = 64, height = 64; |
| untiledResult.allocN32Pixels(width, height); |
| tiledResult.allocN32Pixels(width, height); |
| SkCanvas tiledCanvas(tiledResult); |
| SkCanvas untiledCanvas(untiledResult); |
| int tileSize = 8; |
| |
| for (int scale = 1; scale <= 2; ++scale) { |
| for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) { |
| tiledCanvas.clear(0); |
| untiledCanvas.clear(0); |
| SkPaint paint; |
| paint.setImageFilter(filters[i].fFilter); |
| paint.setTextSize(SkIntToScalar(height)); |
| paint.setColor(SK_ColorWHITE); |
| SkString str; |
| const char* text = "ABC"; |
| SkScalar ypos = SkIntToScalar(height); |
| untiledCanvas.save(); |
| untiledCanvas.scale(SkIntToScalar(scale), SkIntToScalar(scale)); |
| untiledCanvas.drawText(text, strlen(text), 0, ypos, paint); |
| untiledCanvas.restore(); |
| for (int y = 0; y < height; y += tileSize) { |
| for (int x = 0; x < width; x += tileSize) { |
| tiledCanvas.save(); |
| tiledCanvas.clipRect(SkRect::Make(SkIRect::MakeXYWH(x, y, tileSize, tileSize))); |
| tiledCanvas.scale(SkIntToScalar(scale), SkIntToScalar(scale)); |
| tiledCanvas.drawText(text, strlen(text), 0, ypos, paint); |
| tiledCanvas.restore(); |
| } |
| } |
| untiledCanvas.flush(); |
| tiledCanvas.flush(); |
| for (int y = 0; y < height; y++) { |
| int diffs = memcmp(untiledResult.getAddr32(0, y), tiledResult.getAddr32(0, y), untiledResult.rowBytes()); |
| REPORTER_ASSERT_MESSAGE(reporter, !diffs, filters[i].fName); |
| if (diffs) { |
| break; |
| } |
| } |
| } |
| } |
| |
| for (size_t i = 0; i < SK_ARRAY_COUNT(filters); ++i) { |
| SkSafeUnref(filters[i].fFilter); |
| } |
| } |
| |
| static void draw_saveLayer_picture(int width, int height, int tileSize, |
| SkBBHFactory* factory, SkBitmap* result) { |
| |
| SkMatrix matrix; |
| matrix.setTranslate(SkIntToScalar(50), 0); |
| |
| SkAutoTUnref<SkColorFilter> cf(SkColorFilter::CreateModeFilter(SK_ColorWHITE, SkXfermode::kSrc_Mode)); |
| SkAutoTUnref<SkImageFilter> cfif(SkColorFilterImageFilter::Create(cf.get())); |
| SkAutoTUnref<SkImageFilter> imageFilter(SkImageFilter::CreateMatrixFilter(matrix, kNone_SkFilterQuality, cfif.get())); |
| |
| SkPaint paint; |
| paint.setImageFilter(imageFilter.get()); |
| SkPictureRecorder recorder; |
| SkRect bounds = SkRect::Make(SkIRect::MakeXYWH(0, 0, 50, 50)); |
| SkCanvas* recordingCanvas = recorder.beginRecording(SkIntToScalar(width), |
| SkIntToScalar(height), |
| factory, 0); |
| recordingCanvas->translate(-55, 0); |
| recordingCanvas->saveLayer(&bounds, &paint); |
| recordingCanvas->restore(); |
| SkAutoTUnref<SkPicture> picture1(recorder.endRecording()); |
| |
| result->allocN32Pixels(width, height); |
| SkCanvas canvas(*result); |
| canvas.clear(0); |
| canvas.clipRect(SkRect::Make(SkIRect::MakeWH(tileSize, tileSize))); |
| canvas.drawPicture(picture1.get()); |
| } |
| |
| DEF_TEST(ImageFilterDrawMatrixBBH, reporter) { |
| // Check that matrix filter when drawn tiled with BBH exactly |
| // matches the same thing drawn without BBH. |
| // Tests pass by not asserting. |
| |
| const int width = 200, height = 200; |
| const int tileSize = 100; |
| SkBitmap result1, result2; |
| SkRTreeFactory factory; |
| |
| draw_saveLayer_picture(width, height, tileSize, &factory, &result1); |
| draw_saveLayer_picture(width, height, tileSize, nullptr, &result2); |
| |
| for (int y = 0; y < height; y++) { |
| int diffs = memcmp(result1.getAddr32(0, y), result2.getAddr32(0, y), result1.rowBytes()); |
| REPORTER_ASSERT(reporter, !diffs); |
| if (diffs) { |
| break; |
| } |
| } |
| } |
| |
| static SkImageFilter* makeBlur(SkImageFilter* input = nullptr) { |
| return SkBlurImageFilter::Create(SK_Scalar1, SK_Scalar1, input); |
| } |
| |
| static SkImageFilter* makeDropShadow(SkImageFilter* input = nullptr) { |
| return SkDropShadowImageFilter::Create( |
| SkIntToScalar(100), SkIntToScalar(100), |
| SkIntToScalar(10), SkIntToScalar(10), |
| SK_ColorBLUE, SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode, |
| input, nullptr); |
| } |
| |
| DEF_TEST(ImageFilterBlurThenShadowBounds, reporter) { |
| SkAutoTUnref<SkImageFilter> filter1(makeBlur()); |
| SkAutoTUnref<SkImageFilter> filter2(makeDropShadow(filter1.get())); |
| |
| SkIRect bounds = SkIRect::MakeXYWH(0, 0, 100, 100); |
| SkIRect expectedBounds = SkIRect::MakeXYWH(-133, -133, 236, 236); |
| filter2->filterBounds(bounds, SkMatrix::I(), &bounds); |
| |
| REPORTER_ASSERT(reporter, bounds == expectedBounds); |
| } |
| |
| DEF_TEST(ImageFilterShadowThenBlurBounds, reporter) { |
| SkAutoTUnref<SkImageFilter> filter1(makeDropShadow()); |
| SkAutoTUnref<SkImageFilter> filter2(makeBlur(filter1.get())); |
| |
| SkIRect bounds = SkIRect::MakeXYWH(0, 0, 100, 100); |
| SkIRect expectedBounds = SkIRect::MakeXYWH(-133, -133, 236, 236); |
| filter2->filterBounds(bounds, SkMatrix::I(), &bounds); |
| |
| REPORTER_ASSERT(reporter, bounds == expectedBounds); |
| } |
| |
| DEF_TEST(ImageFilterDilateThenBlurBounds, reporter) { |
| SkAutoTUnref<SkImageFilter> filter1(SkDilateImageFilter::Create(2, 2)); |
| SkAutoTUnref<SkImageFilter> filter2(makeDropShadow(filter1.get())); |
| |
| SkIRect bounds = SkIRect::MakeXYWH(0, 0, 100, 100); |
| SkIRect expectedBounds = SkIRect::MakeXYWH(-132, -132, 234, 234); |
| filter2->filterBounds(bounds, SkMatrix::I(), &bounds); |
| |
| REPORTER_ASSERT(reporter, bounds == expectedBounds); |
| } |
| |
| DEF_TEST(ImageFilterComposedBlurFastBounds, reporter) { |
| SkAutoTUnref<SkImageFilter> filter1(makeBlur()); |
| SkAutoTUnref<SkImageFilter> filter2(makeBlur()); |
| SkAutoTUnref<SkImageFilter> composedFilter(SkComposeImageFilter::Create(filter1.get(), filter2.get())); |
| |
| SkRect boundsSrc = SkRect::MakeWH(SkIntToScalar(100), SkIntToScalar(100)); |
| SkRect expectedBounds = SkRect::MakeXYWH( |
| SkIntToScalar(-6), SkIntToScalar(-6), SkIntToScalar(112), SkIntToScalar(112)); |
| SkRect boundsDst = SkRect::MakeEmpty(); |
| composedFilter->computeFastBounds(boundsSrc, &boundsDst); |
| |
| REPORTER_ASSERT(reporter, boundsDst == expectedBounds); |
| } |
| |
| DEF_TEST(ImageFilterMergeResultSize, reporter) { |
| SkBitmap greenBM; |
| greenBM.allocN32Pixels(20, 20); |
| greenBM.eraseColor(SK_ColorGREEN); |
| SkAutoTUnref<SkImage> greenImage(SkImage::NewFromBitmap(greenBM)); |
| SkAutoTUnref<SkImageFilter> source(SkImageSource::Create(greenImage.get())); |
| SkAutoTUnref<SkImageFilter> merge(SkMergeImageFilter::Create(source.get(), source.get())); |
| |
| SkBitmap bitmap; |
| bitmap.allocN32Pixels(1, 1); |
| bitmap.eraseColor(0); |
| const SkImageInfo info = SkImageInfo::MakeN32Premul(100, 100); |
| const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType); |
| SkAutoTUnref<SkBaseDevice> device(SkBitmapDevice::Create(info, props)); |
| SkImageFilter::DeviceProxy proxy(device); |
| SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeXYWH(0, 0, 100, 100), nullptr); |
| SkBitmap result; |
| SkIPoint offset; |
| REPORTER_ASSERT(reporter, merge->filterImage(&proxy, bitmap, ctx, &result, &offset)); |
| REPORTER_ASSERT(reporter, result.width() == 20 && result.height() == 20); |
| } |
| |
| static void draw_blurred_rect(SkCanvas* canvas) { |
| SkAutoTUnref<SkImageFilter> filter(SkBlurImageFilter::Create(SkIntToScalar(8), 0)); |
| SkPaint filterPaint; |
| filterPaint.setColor(SK_ColorWHITE); |
| filterPaint.setImageFilter(filter); |
| canvas->saveLayer(nullptr, &filterPaint); |
| SkPaint whitePaint; |
| whitePaint.setColor(SK_ColorWHITE); |
| canvas->drawRect(SkRect::Make(SkIRect::MakeWH(4, 4)), whitePaint); |
| canvas->restore(); |
| } |
| |
| static void draw_picture_clipped(SkCanvas* canvas, const SkRect& clipRect, const SkPicture* picture) { |
| canvas->save(); |
| canvas->clipRect(clipRect); |
| canvas->drawPicture(picture); |
| canvas->restore(); |
| } |
| |
| DEF_TEST(ImageFilterDrawTiledBlurRTree, reporter) { |
| // Check that the blur filter when recorded with RTree acceleration, |
| // and drawn tiled (with subsequent clip rects) exactly |
| // matches the same filter drawn with without RTree acceleration. |
| // This tests that the "bleed" from the blur into the otherwise-blank |
| // tiles is correctly rendered. |
| // Tests pass by not asserting. |
| |
| int width = 16, height = 8; |
| SkBitmap result1, result2; |
| result1.allocN32Pixels(width, height); |
| result2.allocN32Pixels(width, height); |
| SkCanvas canvas1(result1); |
| SkCanvas canvas2(result2); |
| int tileSize = 8; |
| |
| canvas1.clear(0); |
| canvas2.clear(0); |
| |
| SkRTreeFactory factory; |
| |
| SkPictureRecorder recorder1, recorder2; |
| // The only difference between these two pictures is that one has RTree aceleration. |
| SkCanvas* recordingCanvas1 = recorder1.beginRecording(SkIntToScalar(width), |
| SkIntToScalar(height), |
| nullptr, 0); |
| SkCanvas* recordingCanvas2 = recorder2.beginRecording(SkIntToScalar(width), |
| SkIntToScalar(height), |
| &factory, 0); |
| draw_blurred_rect(recordingCanvas1); |
| draw_blurred_rect(recordingCanvas2); |
| SkAutoTUnref<SkPicture> picture1(recorder1.endRecording()); |
| SkAutoTUnref<SkPicture> picture2(recorder2.endRecording()); |
| for (int y = 0; y < height; y += tileSize) { |
| for (int x = 0; x < width; x += tileSize) { |
| SkRect tileRect = SkRect::Make(SkIRect::MakeXYWH(x, y, tileSize, tileSize)); |
| draw_picture_clipped(&canvas1, tileRect, picture1); |
| draw_picture_clipped(&canvas2, tileRect, picture2); |
| } |
| } |
| for (int y = 0; y < height; y++) { |
| int diffs = memcmp(result1.getAddr32(0, y), result2.getAddr32(0, y), result1.rowBytes()); |
| REPORTER_ASSERT(reporter, !diffs); |
| if (diffs) { |
| break; |
| } |
| } |
| } |
| |
| DEF_TEST(ImageFilterMatrixConvolution, reporter) { |
| // Check that a 1x3 filter does not cause a spurious assert. |
| SkScalar kernel[3] = { |
| SkIntToScalar( 1), SkIntToScalar( 1), SkIntToScalar( 1), |
| }; |
| SkISize kernelSize = SkISize::Make(1, 3); |
| SkScalar gain = SK_Scalar1, bias = 0; |
| SkIPoint kernelOffset = SkIPoint::Make(0, 0); |
| |
| SkAutoTUnref<SkImageFilter> filter( |
| SkMatrixConvolutionImageFilter::Create( |
| kernelSize, kernel, gain, bias, kernelOffset, |
| SkMatrixConvolutionImageFilter::kRepeat_TileMode, false)); |
| |
| SkBitmap result; |
| int width = 16, height = 16; |
| result.allocN32Pixels(width, height); |
| SkCanvas canvas(result); |
| canvas.clear(0); |
| |
| SkPaint paint; |
| paint.setImageFilter(filter); |
| SkRect rect = SkRect::Make(SkIRect::MakeWH(width, height)); |
| canvas.drawRect(rect, paint); |
| } |
| |
| DEF_TEST(ImageFilterMatrixConvolutionBorder, reporter) { |
| // Check that a filter with borders outside the target bounds |
| // does not crash. |
| SkScalar kernel[3] = { |
| 0, 0, 0, |
| }; |
| SkISize kernelSize = SkISize::Make(3, 1); |
| SkScalar gain = SK_Scalar1, bias = 0; |
| SkIPoint kernelOffset = SkIPoint::Make(2, 0); |
| |
| SkAutoTUnref<SkImageFilter> filter( |
| SkMatrixConvolutionImageFilter::Create( |
| kernelSize, kernel, gain, bias, kernelOffset, |
| SkMatrixConvolutionImageFilter::kClamp_TileMode, true)); |
| |
| SkBitmap result; |
| |
| int width = 10, height = 10; |
| result.allocN32Pixels(width, height); |
| SkCanvas canvas(result); |
| canvas.clear(0); |
| |
| SkPaint filterPaint; |
| filterPaint.setImageFilter(filter); |
| SkRect bounds = SkRect::MakeWH(1, 10); |
| SkRect rect = SkRect::Make(SkIRect::MakeWH(width, height)); |
| SkPaint rectPaint; |
| canvas.saveLayer(&bounds, &filterPaint); |
| canvas.drawRect(rect, rectPaint); |
| canvas.restore(); |
| } |
| |
| DEF_TEST(ImageFilterCropRect, reporter) { |
| const SkImageInfo info = SkImageInfo::MakeN32Premul(100, 100); |
| const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType); |
| |
| SkAutoTUnref<SkBaseDevice> device(SkBitmapDevice::Create(info, props)); |
| SkImageFilter::DeviceProxy proxy(device); |
| |
| test_crop_rects(&proxy, reporter); |
| } |
| |
| DEF_TEST(ImageFilterMatrix, reporter) { |
| SkBitmap temp; |
| temp.allocN32Pixels(100, 100); |
| SkCanvas canvas(temp); |
| canvas.scale(SkIntToScalar(2), SkIntToScalar(2)); |
| |
| SkMatrix expectedMatrix = canvas.getTotalMatrix(); |
| |
| SkRTreeFactory factory; |
| SkPictureRecorder recorder; |
| SkCanvas* recordingCanvas = recorder.beginRecording(100, 100, &factory, 0); |
| |
| SkPaint paint; |
| SkAutoTUnref<MatrixTestImageFilter> imageFilter( |
| new MatrixTestImageFilter(reporter, expectedMatrix)); |
| paint.setImageFilter(imageFilter.get()); |
| recordingCanvas->saveLayer(nullptr, &paint); |
| SkPaint solidPaint; |
| solidPaint.setColor(0xFFFFFFFF); |
| recordingCanvas->save(); |
| recordingCanvas->scale(SkIntToScalar(10), SkIntToScalar(10)); |
| recordingCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(100, 100)), solidPaint); |
| recordingCanvas->restore(); // scale |
| recordingCanvas->restore(); // saveLayer |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| |
| canvas.drawPicture(picture); |
| } |
| |
| DEF_TEST(ImageFilterCrossProcessPictureImageFilter, reporter) { |
| SkRTreeFactory factory; |
| SkPictureRecorder recorder; |
| SkCanvas* recordingCanvas = recorder.beginRecording(1, 1, &factory, 0); |
| |
| // Create an SkPicture which simply draws a green 1x1 rectangle. |
| SkPaint greenPaint; |
| greenPaint.setColor(SK_ColorGREEN); |
| recordingCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(1, 1)), greenPaint); |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| |
| // Wrap that SkPicture in an SkPictureImageFilter. |
| SkAutoTUnref<SkImageFilter> imageFilter( |
| SkPictureImageFilter::Create(picture.get())); |
| |
| // Check that SkPictureImageFilter successfully serializes its contained |
| // SkPicture when not in cross-process mode. |
| SkPaint paint; |
| paint.setImageFilter(imageFilter.get()); |
| SkPictureRecorder outerRecorder; |
| SkCanvas* outerCanvas = outerRecorder.beginRecording(1, 1, &factory, 0); |
| SkPaint redPaintWithFilter; |
| redPaintWithFilter.setColor(SK_ColorRED); |
| redPaintWithFilter.setImageFilter(imageFilter.get()); |
| outerCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(1, 1)), redPaintWithFilter); |
| SkAutoTUnref<SkPicture> outerPicture(outerRecorder.endRecording()); |
| |
| SkBitmap bitmap; |
| bitmap.allocN32Pixels(1, 1); |
| SkCanvas canvas(bitmap); |
| |
| // The result here should be green, since the filter replaces the primitive's red interior. |
| canvas.clear(0x0); |
| canvas.drawPicture(outerPicture); |
| uint32_t pixel = *bitmap.getAddr32(0, 0); |
| REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); |
| |
| // Check that, for now, SkPictureImageFilter does not serialize or |
| // deserialize its contained picture when the filter is serialized |
| // cross-process. Do this by "laundering" it through SkValidatingReadBuffer. |
| SkAutoTUnref<SkData> data(SkValidatingSerializeFlattenable(imageFilter.get())); |
| SkAutoTUnref<SkFlattenable> flattenable(SkValidatingDeserializeFlattenable( |
| data->data(), data->size(), SkImageFilter::GetFlattenableType())); |
| SkImageFilter* unflattenedFilter = static_cast<SkImageFilter*>(flattenable.get()); |
| |
| redPaintWithFilter.setImageFilter(unflattenedFilter); |
| SkPictureRecorder crossProcessRecorder; |
| SkCanvas* crossProcessCanvas = crossProcessRecorder.beginRecording(1, 1, &factory, 0); |
| crossProcessCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(1, 1)), redPaintWithFilter); |
| SkAutoTUnref<SkPicture> crossProcessPicture(crossProcessRecorder.endRecording()); |
| |
| canvas.clear(0x0); |
| canvas.drawPicture(crossProcessPicture); |
| pixel = *bitmap.getAddr32(0, 0); |
| // If the security precautions are enabled, the result here should not be green, since the |
| // filter draws nothing. |
| REPORTER_ASSERT(reporter, SkPicture::PictureIOSecurityPrecautionsEnabled() |
| ? pixel != SK_ColorGREEN : pixel == SK_ColorGREEN); |
| } |
| |
| DEF_TEST(ImageFilterClippedPictureImageFilter, reporter) { |
| SkRTreeFactory factory; |
| SkPictureRecorder recorder; |
| SkCanvas* recordingCanvas = recorder.beginRecording(1, 1, &factory, 0); |
| |
| // Create an SkPicture which simply draws a green 1x1 rectangle. |
| SkPaint greenPaint; |
| greenPaint.setColor(SK_ColorGREEN); |
| recordingCanvas->drawRect(SkRect::Make(SkIRect::MakeWH(1, 1)), greenPaint); |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| |
| SkAutoTUnref<SkImageFilter> imageFilter(SkPictureImageFilter::Create(picture.get())); |
| |
| SkBitmap result; |
| SkIPoint offset; |
| SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeXYWH(1, 1, 1, 1), nullptr); |
| SkBitmap bitmap; |
| bitmap.allocN32Pixels(2, 2); |
| const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType); |
| SkBitmapDevice device(bitmap, props); |
| SkImageFilter::DeviceProxy proxy(&device); |
| REPORTER_ASSERT(reporter, !imageFilter->filterImage(&proxy, bitmap, ctx, &result, &offset)); |
| } |
| |
| DEF_TEST(ImageFilterEmptySaveLayer, reporter) { |
| // Even when there's an empty saveLayer()/restore(), ensure that an image |
| // filter or color filter which affects transparent black still draws. |
| |
| SkBitmap bitmap; |
| bitmap.allocN32Pixels(10, 10); |
| SkCanvas canvas(bitmap); |
| |
| SkRTreeFactory factory; |
| SkPictureRecorder recorder; |
| |
| SkAutoTUnref<SkColorFilter> green( |
| SkColorFilter::CreateModeFilter(SK_ColorGREEN, SkXfermode::kSrc_Mode)); |
| SkAutoTUnref<SkImageFilter> imageFilter( |
| SkColorFilterImageFilter::Create(green.get())); |
| SkPaint imageFilterPaint; |
| imageFilterPaint.setImageFilter(imageFilter.get()); |
| SkPaint colorFilterPaint; |
| colorFilterPaint.setColorFilter(green.get()); |
| |
| SkRect bounds = SkRect::MakeWH(10, 10); |
| |
| SkCanvas* recordingCanvas = recorder.beginRecording(10, 10, &factory, 0); |
| recordingCanvas->saveLayer(&bounds, &imageFilterPaint); |
| recordingCanvas->restore(); |
| SkAutoTUnref<SkPicture> picture(recorder.endRecording()); |
| |
| canvas.clear(0); |
| canvas.drawPicture(picture); |
| uint32_t pixel = *bitmap.getAddr32(0, 0); |
| REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); |
| |
| recordingCanvas = recorder.beginRecording(10, 10, &factory, 0); |
| recordingCanvas->saveLayer(nullptr, &imageFilterPaint); |
| recordingCanvas->restore(); |
| SkAutoTUnref<SkPicture> picture2(recorder.endRecording()); |
| |
| canvas.clear(0); |
| canvas.drawPicture(picture2); |
| pixel = *bitmap.getAddr32(0, 0); |
| REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); |
| |
| recordingCanvas = recorder.beginRecording(10, 10, &factory, 0); |
| recordingCanvas->saveLayer(&bounds, &colorFilterPaint); |
| recordingCanvas->restore(); |
| SkAutoTUnref<SkPicture> picture3(recorder.endRecording()); |
| |
| canvas.clear(0); |
| canvas.drawPicture(picture3); |
| pixel = *bitmap.getAddr32(0, 0); |
| REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); |
| } |
| |
| static void test_huge_blur(SkCanvas* canvas, skiatest::Reporter* reporter) { |
| SkBitmap bitmap; |
| bitmap.allocN32Pixels(100, 100); |
| bitmap.eraseARGB(0, 0, 0, 0); |
| |
| // Check that a blur with an insane radius does not crash or assert. |
| SkAutoTUnref<SkImageFilter> blur(SkBlurImageFilter::Create(SkIntToScalar(1<<30), SkIntToScalar(1<<30))); |
| |
| SkPaint paint; |
| paint.setImageFilter(blur); |
| canvas->drawBitmap(bitmap, 0, 0, &paint); |
| } |
| |
| DEF_TEST(HugeBlurImageFilter, reporter) { |
| SkBitmap temp; |
| temp.allocN32Pixels(100, 100); |
| SkCanvas canvas(temp); |
| test_huge_blur(&canvas, reporter); |
| } |
| |
| DEF_TEST(MatrixConvolutionSanityTest, reporter) { |
| SkScalar kernel[1] = { 0 }; |
| SkScalar gain = SK_Scalar1, bias = 0; |
| SkIPoint kernelOffset = SkIPoint::Make(1, 1); |
| |
| // Check that an enormous (non-allocatable) kernel gives a nullptr filter. |
| SkAutoTUnref<SkImageFilter> conv(SkMatrixConvolutionImageFilter::Create( |
| SkISize::Make(1<<30, 1<<30), |
| kernel, |
| gain, |
| bias, |
| kernelOffset, |
| SkMatrixConvolutionImageFilter::kRepeat_TileMode, |
| false)); |
| |
| REPORTER_ASSERT(reporter, nullptr == conv.get()); |
| |
| // Check that a nullptr kernel gives a nullptr filter. |
| conv.reset(SkMatrixConvolutionImageFilter::Create( |
| SkISize::Make(1, 1), |
| nullptr, |
| gain, |
| bias, |
| kernelOffset, |
| SkMatrixConvolutionImageFilter::kRepeat_TileMode, |
| false)); |
| |
| REPORTER_ASSERT(reporter, nullptr == conv.get()); |
| |
| // Check that a kernel width < 1 gives a nullptr filter. |
| conv.reset(SkMatrixConvolutionImageFilter::Create( |
| SkISize::Make(0, 1), |
| kernel, |
| gain, |
| bias, |
| kernelOffset, |
| SkMatrixConvolutionImageFilter::kRepeat_TileMode, |
| false)); |
| |
| REPORTER_ASSERT(reporter, nullptr == conv.get()); |
| |
| // Check that kernel height < 1 gives a nullptr filter. |
| conv.reset(SkMatrixConvolutionImageFilter::Create( |
| SkISize::Make(1, -1), |
| kernel, |
| gain, |
| bias, |
| kernelOffset, |
| SkMatrixConvolutionImageFilter::kRepeat_TileMode, |
| false)); |
| |
| REPORTER_ASSERT(reporter, nullptr == conv.get()); |
| } |
| |
| static void test_xfermode_cropped_input(SkCanvas* canvas, skiatest::Reporter* reporter) { |
| canvas->clear(0); |
| |
| SkBitmap bitmap; |
| bitmap.allocN32Pixels(1, 1); |
| bitmap.eraseARGB(255, 255, 255, 255); |
| |
| SkAutoTUnref<SkColorFilter> green( |
| SkColorFilter::CreateModeFilter(SK_ColorGREEN, SkXfermode::kSrcIn_Mode)); |
| SkAutoTUnref<SkImageFilter> greenFilter(SkColorFilterImageFilter::Create(green.get())); |
| SkImageFilter::CropRect cropRect(SkRect::MakeEmpty()); |
| SkAutoTUnref<SkImageFilter> croppedOut( |
| SkColorFilterImageFilter::Create(green.get(), nullptr, &cropRect)); |
| |
| // Check that an xfermode image filter whose input has been cropped out still draws the other |
| // input. Also check that drawing with both inputs cropped out doesn't cause a GPU warning. |
| SkXfermode* mode = SkXfermode::Create(SkXfermode::kSrcOver_Mode); |
| SkAutoTUnref<SkImageFilter> xfermodeNoFg( |
| SkXfermodeImageFilter::Create(mode, greenFilter, croppedOut)); |
| SkAutoTUnref<SkImageFilter> xfermodeNoBg( |
| SkXfermodeImageFilter::Create(mode, croppedOut, greenFilter)); |
| SkAutoTUnref<SkImageFilter> xfermodeNoFgNoBg( |
| SkXfermodeImageFilter::Create(mode, croppedOut, croppedOut)); |
| |
| SkPaint paint; |
| paint.setImageFilter(xfermodeNoFg); |
| canvas->drawBitmap(bitmap, 0, 0, &paint); // drawSprite |
| |
| uint32_t pixel; |
| SkImageInfo info = SkImageInfo::Make(1, 1, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType); |
| canvas->readPixels(info, &pixel, 4, 0, 0); |
| REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); |
| |
| paint.setImageFilter(xfermodeNoBg); |
| canvas->drawBitmap(bitmap, 0, 0, &paint); // drawSprite |
| canvas->readPixels(info, &pixel, 4, 0, 0); |
| REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); |
| |
| paint.setImageFilter(xfermodeNoFgNoBg); |
| canvas->drawBitmap(bitmap, 0, 0, &paint); // drawSprite |
| canvas->readPixels(info, &pixel, 4, 0, 0); |
| REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); |
| } |
| |
| DEF_TEST(ImageFilterNestedSaveLayer, reporter) { |
| SkBitmap temp; |
| temp.allocN32Pixels(50, 50); |
| SkCanvas canvas(temp); |
| canvas.clear(0x0); |
| |
| SkBitmap bitmap; |
| bitmap.allocN32Pixels(10, 10); |
| bitmap.eraseColor(SK_ColorGREEN); |
| |
| SkMatrix matrix; |
| matrix.setScale(SkIntToScalar(2), SkIntToScalar(2)); |
| matrix.postTranslate(SkIntToScalar(-20), SkIntToScalar(-20)); |
| SkAutoTUnref<SkImageFilter> matrixFilter( |
| SkImageFilter::CreateMatrixFilter(matrix, kLow_SkFilterQuality)); |
| |
| // Test that saveLayer() with a filter nested inside another saveLayer() applies the |
| // correct offset to the filter matrix. |
| SkRect bounds1 = SkRect::MakeXYWH(10, 10, 30, 30); |
| canvas.saveLayer(&bounds1, nullptr); |
| SkPaint filterPaint; |
| filterPaint.setImageFilter(matrixFilter); |
| SkRect bounds2 = SkRect::MakeXYWH(20, 20, 10, 10); |
| canvas.saveLayer(&bounds2, &filterPaint); |
| SkPaint greenPaint; |
| greenPaint.setColor(SK_ColorGREEN); |
| canvas.drawRect(bounds2, greenPaint); |
| canvas.restore(); |
| canvas.restore(); |
| SkPaint strokePaint; |
| strokePaint.setStyle(SkPaint::kStroke_Style); |
| strokePaint.setColor(SK_ColorRED); |
| |
| SkImageInfo info = SkImageInfo::Make(1, 1, kBGRA_8888_SkColorType, kUnpremul_SkAlphaType); |
| uint32_t pixel; |
| canvas.readPixels(info, &pixel, 4, 25, 25); |
| REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); |
| |
| // Test that drawSprite() with a filter nested inside a saveLayer() applies the |
| // correct offset to the filter matrix. |
| canvas.clear(0x0); |
| canvas.readPixels(info, &pixel, 4, 25, 25); |
| canvas.saveLayer(&bounds1, nullptr); |
| canvas.drawBitmap(bitmap, 20, 20, &filterPaint); // drawSprite |
| canvas.restore(); |
| |
| canvas.readPixels(info, &pixel, 4, 25, 25); |
| REPORTER_ASSERT(reporter, pixel == SK_ColorGREEN); |
| } |
| |
| DEF_TEST(XfermodeImageFilterCroppedInput, reporter) { |
| SkBitmap temp; |
| temp.allocN32Pixels(100, 100); |
| SkCanvas canvas(temp); |
| test_xfermode_cropped_input(&canvas, reporter); |
| } |
| |
| DEF_TEST(ComposedImageFilterOffset, reporter) { |
| SkBitmap bitmap; |
| bitmap.allocN32Pixels(100, 100); |
| bitmap.eraseARGB(0, 0, 0, 0); |
| const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType); |
| SkBitmapDevice device(bitmap, props); |
| SkImageFilter::DeviceProxy proxy(&device); |
| |
| SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(1, 0, 20, 20)); |
| SkAutoTUnref<SkImageFilter> offsetFilter(SkOffsetImageFilter::Create(0, 0, nullptr, &cropRect)); |
| SkAutoTUnref<SkImageFilter> blurFilter(SkBlurImageFilter::Create(SK_Scalar1, SK_Scalar1, |
| nullptr, &cropRect)); |
| SkAutoTUnref<SkImageFilter> composedFilter(SkComposeImageFilter::Create(blurFilter, |
| offsetFilter.get())); |
| SkBitmap result; |
| SkIPoint offset; |
| SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeWH(100, 100), nullptr); |
| REPORTER_ASSERT(reporter, composedFilter->filterImage(&proxy, bitmap, ctx, &result, &offset)); |
| REPORTER_ASSERT(reporter, offset.fX == 1 && offset.fY == 0); |
| } |
| |
| DEF_TEST(PartialCropRect, reporter) { |
| SkBitmap bitmap; |
| bitmap.allocN32Pixels(100, 100); |
| bitmap.eraseARGB(0, 0, 0, 0); |
| const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType); |
| SkBitmapDevice device(bitmap, props); |
| SkImageFilter::DeviceProxy proxy(&device); |
| |
| SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(100, 0, 20, 30), |
| SkImageFilter::CropRect::kHasWidth_CropEdge | SkImageFilter::CropRect::kHasHeight_CropEdge); |
| SkAutoTUnref<SkImageFilter> filter(make_grayscale(nullptr, &cropRect)); |
| SkBitmap result; |
| SkIPoint offset; |
| SkImageFilter::Context ctx(SkMatrix::I(), SkIRect::MakeWH(100, 100), nullptr); |
| REPORTER_ASSERT(reporter, filter->filterImage(&proxy, bitmap, ctx, &result, &offset)); |
| REPORTER_ASSERT(reporter, offset.fX == 0); |
| REPORTER_ASSERT(reporter, offset.fY == 0); |
| REPORTER_ASSERT(reporter, result.width() == 20); |
| REPORTER_ASSERT(reporter, result.height() == 30); |
| } |
| |
| DEF_TEST(ImageFilterCanComputeFastBounds, reporter) { |
| |
| SkPoint3 location = SkPoint3::Make(0, 0, SK_Scalar1); |
| SkAutoTUnref<SkImageFilter> lighting(SkLightingImageFilter::CreatePointLitDiffuse( |
| location, SK_ColorGREEN, 0, 0)); |
| REPORTER_ASSERT(reporter, !lighting->canComputeFastBounds()); |
| |
| SkAutoTUnref<SkImageFilter> gray(make_grayscale(nullptr, nullptr)); |
| REPORTER_ASSERT(reporter, gray->canComputeFastBounds()); |
| { |
| SkColorFilter* grayCF; |
| REPORTER_ASSERT(reporter, gray->asAColorFilter(&grayCF)); |
| REPORTER_ASSERT(reporter, !grayCF->affectsTransparentBlack()); |
| grayCF->unref(); |
| } |
| REPORTER_ASSERT(reporter, gray->canComputeFastBounds()); |
| |
| SkAutoTUnref<SkImageFilter> grayBlur(SkBlurImageFilter::Create(SK_Scalar1, SK_Scalar1, gray.get())); |
| REPORTER_ASSERT(reporter, grayBlur->canComputeFastBounds()); |
| |
| SkScalar greenMatrix[20] = { 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 1, |
| 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 1 }; |
| SkAutoTUnref<SkColorFilter> greenCF(SkColorMatrixFilter::Create(greenMatrix)); |
| SkAutoTUnref<SkImageFilter> green(SkColorFilterImageFilter::Create(greenCF)); |
| |
| REPORTER_ASSERT(reporter, greenCF->affectsTransparentBlack()); |
| REPORTER_ASSERT(reporter, !green->canComputeFastBounds()); |
| |
| SkAutoTUnref<SkImageFilter> greenBlur(SkBlurImageFilter::Create(SK_Scalar1, SK_Scalar1, green.get())); |
| REPORTER_ASSERT(reporter, !greenBlur->canComputeFastBounds()); |
| |
| uint8_t allOne[256], identity[256]; |
| for (int i = 0; i < 256; ++i) { |
| identity[i] = i; |
| allOne[i] = 255; |
| } |
| |
| SkAutoTUnref<SkColorFilter> identityCF( |
| SkTableColorFilter::CreateARGB(identity, identity, identity, allOne)); |
| SkAutoTUnref<SkImageFilter> identityFilter(SkColorFilterImageFilter::Create(identityCF.get())); |
| REPORTER_ASSERT(reporter, !identityCF->affectsTransparentBlack()); |
| REPORTER_ASSERT(reporter, identityFilter->canComputeFastBounds()); |
| |
| SkAutoTUnref<SkColorFilter> forceOpaqueCF( |
| SkTableColorFilter::CreateARGB(allOne, identity, identity, identity)); |
| SkAutoTUnref<SkImageFilter> forceOpaque(SkColorFilterImageFilter::Create(forceOpaqueCF.get())); |
| REPORTER_ASSERT(reporter, forceOpaqueCF->affectsTransparentBlack()); |
| REPORTER_ASSERT(reporter, !forceOpaque->canComputeFastBounds()); |
| } |
| |
| // Verify that SkImageSource survives serialization |
| DEF_TEST(ImageFilterImageSourceSerialization, reporter) { |
| SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(10, 10)); |
| surface->getCanvas()->clear(SK_ColorGREEN); |
| SkAutoTUnref<SkImage> image(surface->newImageSnapshot()); |
| SkAutoTUnref<SkImageFilter> filter(SkImageSource::Create(image)); |
| |
| SkAutoTUnref<SkData> data(SkValidatingSerializeFlattenable(filter)); |
| SkAutoTUnref<SkFlattenable> flattenable(SkValidatingDeserializeFlattenable( |
| data->data(), data->size(), SkImageFilter::GetFlattenableType())); |
| SkImageFilter* unflattenedFilter = static_cast<SkImageFilter*>(flattenable.get()); |
| REPORTER_ASSERT(reporter, unflattenedFilter); |
| |
| SkBitmap bm; |
| bm.allocN32Pixels(10, 10); |
| bm.eraseColor(SK_ColorBLUE); |
| SkPaint paint; |
| paint.setColor(SK_ColorRED); |
| paint.setImageFilter(unflattenedFilter); |
| |
| SkCanvas canvas(bm); |
| canvas.drawRect(SkRect::MakeWH(10, 10), paint); |
| REPORTER_ASSERT(reporter, *bm.getAddr32(0, 0) == SkPreMultiplyColor(SK_ColorGREEN)); |
| } |
| |
| static void test_large_blur_input(skiatest::Reporter* reporter, SkCanvas* canvas) { |
| SkBitmap largeBmp; |
| int largeW = 5000; |
| int largeH = 5000; |
| #if SK_SUPPORT_GPU |
| // If we're GPU-backed make the bitmap too large to be converted into a texture. |
| if (GrContext* ctx = canvas->getGrContext()) { |
| largeW = ctx->caps()->maxTextureSize() + 1; |
| } |
| #endif |
| |
| largeBmp.allocN32Pixels(largeW, largeH); |
| if (!largeBmp.getPixels()) { |
| ERRORF(reporter, "Failed to allocate large bmp."); |
| return; |
| } |
| |
| SkAutoTUnref<SkImage> largeImage(SkImage::NewFromBitmap(largeBmp)); |
| if (!largeImage) { |
| ERRORF(reporter, "Failed to create large image."); |
| return; |
| } |
| |
| SkAutoTUnref<SkImageFilter> largeSource(SkImageSource::Create(largeImage)); |
| if (!largeSource) { |
| ERRORF(reporter, "Failed to create large SkImageSource."); |
| return; |
| } |
| |
| SkAutoTUnref<SkImageFilter> blur(SkBlurImageFilter::Create(10.f, 10.f, largeSource)); |
| if (!blur) { |
| ERRORF(reporter, "Failed to create SkBlurImageFilter."); |
| return; |
| } |
| |
| SkPaint paint; |
| paint.setImageFilter(blur); |
| |
| // This should not crash (http://crbug.com/570479). |
| canvas->drawRect(SkRect::MakeIWH(largeW, largeH), paint); |
| } |
| |
| DEF_TEST(BlurLargeImage, reporter) { |
| SkAutoTUnref<SkSurface> surface(SkSurface::NewRaster(SkImageInfo::MakeN32Premul(100, 100))); |
| test_large_blur_input(reporter, surface->getCanvas()); |
| } |
| |
| #if SK_SUPPORT_GPU |
| |
| DEF_GPUTEST_FOR_NATIVE_CONTEXT(ImageFilterCropRect_Gpu, reporter, context) { |
| const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType); |
| |
| SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context, |
| SkSurface::kNo_Budgeted, |
| SkImageInfo::MakeN32Premul(100, 100), |
| 0, |
| &props, |
| SkGpuDevice::kUninit_InitContents)); |
| SkImageFilter::DeviceProxy proxy(device); |
| |
| test_crop_rects(&proxy, reporter); |
| } |
| |
| DEF_GPUTEST_FOR_NATIVE_CONTEXT(HugeBlurImageFilter_Gpu, reporter, context) { |
| const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType); |
| |
| SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context, |
| SkSurface::kNo_Budgeted, |
| SkImageInfo::MakeN32Premul(100, 100), |
| 0, |
| &props, |
| SkGpuDevice::kUninit_InitContents)); |
| SkCanvas canvas(device); |
| |
| test_huge_blur(&canvas, reporter); |
| } |
| |
| DEF_GPUTEST_FOR_NATIVE_CONTEXT(XfermodeImageFilterCroppedInput_Gpu, reporter, context) { |
| const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType); |
| |
| SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context, |
| SkSurface::kNo_Budgeted, |
| SkImageInfo::MakeN32Premul(1, 1), |
| 0, |
| &props, |
| SkGpuDevice::kUninit_InitContents)); |
| SkCanvas canvas(device); |
| |
| test_xfermode_cropped_input(&canvas, reporter); |
| } |
| |
| DEF_GPUTEST_FOR_NATIVE_CONTEXT(TestNegativeBlurSigma_Gpu, reporter, context) { |
| const SkSurfaceProps props(SkSurfaceProps::kLegacyFontHost_InitType); |
| |
| SkAutoTUnref<SkGpuDevice> device(SkGpuDevice::Create(context, |
| SkSurface::kNo_Budgeted, |
| SkImageInfo::MakeN32Premul(1, 1), |
| 0, |
| &props, |
| SkGpuDevice::kUninit_InitContents)); |
| SkImageFilter::DeviceProxy proxy(device); |
| |
| test_negative_blur_sigma(&proxy, reporter); |
| } |
| |
| DEF_GPUTEST_FOR_ALL_CONTEXTS(BlurLargeImage_Gpu, reporter, context) { |
| SkAutoTUnref<SkSurface> surface( |
| SkSurface::NewRenderTarget(context, SkSurface::kYes_Budgeted, |
| SkImageInfo::MakeN32Premul(100, 100))); |
| test_large_blur_input(reporter, surface->getCanvas()); |
| } |
| #endif |
