| /* |
| * Copyright (c) 2013, Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "core/frame/ImageBitmap.h" |
| |
| #include "SkPixelRef.h" // FIXME: qualify this skia header file. |
| #include "core/dom/Document.h" |
| #include "core/frame/FrameView.h" |
| #include "core/html/HTMLCanvasElement.h" |
| #include "core/html/HTMLImageElement.h" |
| #include "core/html/HTMLVideoElement.h" |
| #include "core/html/ImageData.h" |
| #include "core/loader/resource/ImageResourceContent.h" |
| #include "platform/graphics/StaticBitmapImage.h" |
| #include "platform/graphics/skia/SkiaUtils.h" |
| #include "platform/heap/Handle.h" |
| #include "platform/image-decoders/ImageDecoder.h" |
| #include "platform/loader/fetch/MemoryCache.h" |
| #include "platform/loader/fetch/ResourceRequest.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| #include "third_party/skia/include/core/SkCanvas.h" |
| #include "third_party/skia/include/core/SkColorSpaceXform.h" |
| #include "third_party/skia/include/core/SkImage.h" |
| #include "third_party/skia/include/core/SkSurface.h" |
| #include "third_party/skia/include/core/SkSwizzle.h" |
| |
| namespace blink { |
| |
| class ExceptionState; |
| |
| class ImageBitmapTest : public ::testing::Test { |
| protected: |
| virtual void SetUp() { |
| sk_sp<SkSurface> surface = SkSurface::MakeRasterN32Premul(10, 10); |
| surface->getCanvas()->clear(0xFFFFFFFF); |
| m_image = surface->makeImageSnapshot(); |
| |
| sk_sp<SkSurface> surface2 = SkSurface::MakeRasterN32Premul(5, 5); |
| surface2->getCanvas()->clear(0xAAAAAAAA); |
| m_image2 = surface2->makeImageSnapshot(); |
| |
| // Save the global memory cache to restore it upon teardown. |
| m_globalMemoryCache = replaceMemoryCacheForTesting(MemoryCache::create()); |
| |
| // Save the state of experimental canvas features and color correct |
| // rendering flags to restore them on teardown. |
| experimentalCanvasFeatures = |
| RuntimeEnabledFeatures::experimentalCanvasFeaturesEnabled(); |
| colorCorrectRendering = |
| RuntimeEnabledFeatures::colorCorrectRenderingEnabled(); |
| colorCorrectRenderingDefaultMode = |
| RuntimeEnabledFeatures::colorCorrectRenderingDefaultModeEnabled(); |
| } |
| virtual void TearDown() { |
| // Garbage collection is required prior to switching out the |
| // test's memory cache; image resources are released, evicting |
| // them from the cache. |
| ThreadState::current()->collectGarbage(BlinkGC::NoHeapPointersOnStack, |
| BlinkGC::GCWithSweep, |
| BlinkGC::ForcedGC); |
| |
| replaceMemoryCacheForTesting(m_globalMemoryCache.release()); |
| RuntimeEnabledFeatures::setExperimentalCanvasFeaturesEnabled( |
| experimentalCanvasFeatures); |
| RuntimeEnabledFeatures::setColorCorrectRenderingEnabled( |
| colorCorrectRendering); |
| RuntimeEnabledFeatures::setColorCorrectRenderingDefaultModeEnabled( |
| colorCorrectRenderingDefaultMode); |
| } |
| |
| sk_sp<SkImage> m_image, m_image2; |
| Persistent<MemoryCache> m_globalMemoryCache; |
| bool experimentalCanvasFeatures; |
| bool colorCorrectRendering; |
| bool colorCorrectRenderingDefaultMode; |
| }; |
| |
| TEST_F(ImageBitmapTest, ImageResourceConsistency) { |
| const ImageBitmapOptions defaultOptions; |
| HTMLImageElement* imageElement = |
| HTMLImageElement::create(*Document::create()); |
| ImageResourceContent* image = |
| ImageResourceContent::create(StaticBitmapImage::create(m_image).get()); |
| imageElement->setImageResource(image); |
| |
| Optional<IntRect> cropRect = |
| IntRect(0, 0, m_image->width(), m_image->height()); |
| ImageBitmap* imageBitmapNoCrop = ImageBitmap::create( |
| imageElement, cropRect, &(imageElement->document()), defaultOptions); |
| cropRect = IntRect(m_image->width() / 2, m_image->height() / 2, |
| m_image->width() / 2, m_image->height() / 2); |
| ImageBitmap* imageBitmapInteriorCrop = ImageBitmap::create( |
| imageElement, cropRect, &(imageElement->document()), defaultOptions); |
| cropRect = IntRect(-m_image->width() / 2, -m_image->height() / 2, |
| m_image->width(), m_image->height()); |
| ImageBitmap* imageBitmapExteriorCrop = ImageBitmap::create( |
| imageElement, cropRect, &(imageElement->document()), defaultOptions); |
| cropRect = IntRect(-m_image->width(), -m_image->height(), m_image->width(), |
| m_image->height()); |
| ImageBitmap* imageBitmapOutsideCrop = ImageBitmap::create( |
| imageElement, cropRect, &(imageElement->document()), defaultOptions); |
| |
| ASSERT_NE(imageBitmapNoCrop->bitmapImage()->imageForCurrentFrame(), |
| imageElement->cachedImage()->getImage()->imageForCurrentFrame()); |
| ASSERT_NE(imageBitmapInteriorCrop->bitmapImage()->imageForCurrentFrame(), |
| imageElement->cachedImage()->getImage()->imageForCurrentFrame()); |
| ASSERT_NE(imageBitmapExteriorCrop->bitmapImage()->imageForCurrentFrame(), |
| imageElement->cachedImage()->getImage()->imageForCurrentFrame()); |
| |
| RefPtr<StaticBitmapImage> emptyImage = imageBitmapOutsideCrop->bitmapImage(); |
| ASSERT_NE(emptyImage->imageForCurrentFrame(), |
| imageElement->cachedImage()->getImage()->imageForCurrentFrame()); |
| } |
| |
| // Verifies that ImageBitmaps constructed from HTMLImageElements hold a |
| // reference to the original Image if the HTMLImageElement src is changed. |
| TEST_F(ImageBitmapTest, ImageBitmapSourceChanged) { |
| HTMLImageElement* image = HTMLImageElement::create(*Document::create()); |
| ImageResourceContent* originalImageResource = |
| ImageResourceContent::create(StaticBitmapImage::create(m_image).get()); |
| image->setImageResource(originalImageResource); |
| |
| const ImageBitmapOptions defaultOptions; |
| Optional<IntRect> cropRect = |
| IntRect(0, 0, m_image->width(), m_image->height()); |
| ImageBitmap* imageBitmap = ImageBitmap::create( |
| image, cropRect, &(image->document()), defaultOptions); |
| // As we are applying color space conversion for the "default" mode, |
| // this verifies that the color corrected image is not the same as the |
| // source. |
| ASSERT_NE(imageBitmap->bitmapImage()->imageForCurrentFrame(), |
| originalImageResource->getImage()->imageForCurrentFrame()); |
| |
| ImageResourceContent* newImageResource = |
| ImageResourceContent::create(StaticBitmapImage::create(m_image2).get()); |
| image->setImageResource(newImageResource); |
| |
| { |
| ASSERT_NE(imageBitmap->bitmapImage()->imageForCurrentFrame(), |
| originalImageResource->getImage()->imageForCurrentFrame()); |
| SkImage* image1 = imageBitmap->bitmapImage()->imageForCurrentFrame().get(); |
| ASSERT_NE(image1, nullptr); |
| SkImage* image2 = |
| originalImageResource->getImage()->imageForCurrentFrame().get(); |
| ASSERT_NE(image2, nullptr); |
| ASSERT_NE(image1, image2); |
| } |
| |
| { |
| ASSERT_NE(imageBitmap->bitmapImage()->imageForCurrentFrame(), |
| newImageResource->getImage()->imageForCurrentFrame()); |
| SkImage* image1 = imageBitmap->bitmapImage()->imageForCurrentFrame().get(); |
| ASSERT_NE(image1, nullptr); |
| SkImage* image2 = |
| newImageResource->getImage()->imageForCurrentFrame().get(); |
| ASSERT_NE(image2, nullptr); |
| ASSERT_NE(image1, image2); |
| } |
| } |
| |
| enum class ColorSpaceConversion : uint8_t { |
| NONE = 0, |
| DEFAULT_NOT_COLOR_CORRECTED = 1, |
| DEFAULT_COLOR_CORRECTED = 2, |
| SRGB = 3, |
| LINEAR_RGB = 4, |
| |
| LAST = LINEAR_RGB |
| }; |
| |
| static ImageBitmapOptions prepareBitmapOptionsAndSetRuntimeFlags( |
| const ColorSpaceConversion& colorSpaceConversion) { |
| // Set the color space conversion in ImageBitmapOptions |
| ImageBitmapOptions options; |
| static const Vector<String> conversions = {"none", "default", "default", |
| "srgb", "linear-rgb"}; |
| options.setColorSpaceConversion( |
| conversions[static_cast<uint8_t>(colorSpaceConversion)]); |
| |
| // Set the runtime flags |
| bool flag = (colorSpaceConversion != |
| ColorSpaceConversion::DEFAULT_NOT_COLOR_CORRECTED); |
| RuntimeEnabledFeatures::setExperimentalCanvasFeaturesEnabled(true); |
| RuntimeEnabledFeatures::setColorCorrectRenderingEnabled(flag); |
| RuntimeEnabledFeatures::setColorCorrectRenderingDefaultModeEnabled(!flag); |
| |
| return options; |
| } |
| |
| TEST_F(ImageBitmapTest, ImageBitmapColorSpaceConversionHTMLImageElement) { |
| HTMLImageElement* imageElement = |
| HTMLImageElement::create(*Document::create()); |
| |
| SkPaint p; |
| p.setColor(SK_ColorRED); |
| sk_sp<SkColorSpace> srcRGBColorSpace = SkColorSpace::MakeSRGB(); |
| |
| SkImageInfo rasterImageInfo = |
| SkImageInfo::MakeN32Premul(10, 10, srcRGBColorSpace); |
| sk_sp<SkSurface> surface(SkSurface::MakeRaster(rasterImageInfo)); |
| surface->getCanvas()->drawCircle(5, 5, 5, p); |
| sk_sp<SkImage> image = surface->makeImageSnapshot(); |
| |
| std::unique_ptr<uint8_t[]> srcPixel( |
| new uint8_t[rasterImageInfo.bytesPerPixel()]()); |
| image->readPixels(rasterImageInfo.makeWH(1, 1), srcPixel.get(), |
| image->width() * rasterImageInfo.bytesPerPixel(), 5, 5); |
| |
| ImageResourceContent* originalImageResource = |
| ImageResourceContent::create(StaticBitmapImage::create(image).get()); |
| imageElement->setImageResource(originalImageResource); |
| |
| Optional<IntRect> cropRect = IntRect(0, 0, image->width(), image->height()); |
| |
| // Create and test the ImageBitmap objects. |
| // We don't check "none" color space conversion as it requires the encoded |
| // data in a format readable by ImageDecoder. Furthermore, the code path for |
| // "none" color space conversion is not affected by this CL. |
| |
| sk_sp<SkColorSpace> colorSpace = nullptr; |
| SkColorType colorType = SkColorType::kN32_SkColorType; |
| SkColorSpaceXform::ColorFormat colorFormat32 = |
| (colorType == kBGRA_8888_SkColorType) |
| ? SkColorSpaceXform::ColorFormat::kBGRA_8888_ColorFormat |
| : SkColorSpaceXform::ColorFormat::kRGBA_8888_ColorFormat; |
| SkColorSpaceXform::ColorFormat colorFormat = colorFormat32; |
| |
| for (uint8_t i = static_cast<uint8_t>( |
| ColorSpaceConversion::DEFAULT_NOT_COLOR_CORRECTED); |
| i <= static_cast<uint8_t>(ColorSpaceConversion::LAST); i++) { |
| ColorSpaceConversion colorSpaceConversion = |
| static_cast<ColorSpaceConversion>(i); |
| ImageBitmapOptions options = |
| prepareBitmapOptionsAndSetRuntimeFlags(colorSpaceConversion); |
| ImageBitmap* imageBitmap = ImageBitmap::create( |
| imageElement, cropRect, &(imageElement->document()), options); |
| |
| SkImage* convertedImage = |
| imageBitmap->bitmapImage()->imageForCurrentFrame().get(); |
| |
| switch (colorSpaceConversion) { |
| case ColorSpaceConversion::NONE: |
| NOTREACHED(); |
| break; |
| case ColorSpaceConversion::DEFAULT_NOT_COLOR_CORRECTED: |
| colorSpace = ColorBehavior::globalTargetColorSpace().ToSkColorSpace(); |
| colorFormat = colorFormat32; |
| break; |
| case ColorSpaceConversion::DEFAULT_COLOR_CORRECTED: |
| case ColorSpaceConversion::SRGB: |
| colorSpace = SkColorSpace::MakeSRGB(); |
| colorFormat = colorFormat32; |
| break; |
| case ColorSpaceConversion::LINEAR_RGB: |
| colorSpace = SkColorSpace::MakeSRGBLinear(); |
| colorType = SkColorType::kRGBA_F16_SkColorType; |
| colorFormat = SkColorSpaceXform::ColorFormat::kRGBA_F16_ColorFormat; |
| break; |
| default: |
| NOTREACHED(); |
| } |
| |
| SkImageInfo imageInfo = SkImageInfo::Make( |
| 1, 1, colorType, SkAlphaType::kPremul_SkAlphaType, colorSpace); |
| std::unique_ptr<uint8_t[]> convertedPixel( |
| new uint8_t[imageInfo.bytesPerPixel()]()); |
| convertedImage->readPixels( |
| imageInfo, convertedPixel.get(), |
| convertedImage->width() * imageInfo.bytesPerPixel(), 5, 5); |
| |
| // Transform the source pixel and check if the image bitmap color conversion |
| // is done correctly. |
| std::unique_ptr<SkColorSpaceXform> colorSpaceXform = |
| SkColorSpaceXform::New(srcRGBColorSpace.get(), colorSpace.get()); |
| std::unique_ptr<uint8_t[]> transformedPixel( |
| new uint8_t[imageInfo.bytesPerPixel()]()); |
| colorSpaceXform->apply(colorFormat, transformedPixel.get(), colorFormat32, |
| srcPixel.get(), 1, SkAlphaType::kPremul_SkAlphaType); |
| |
| int compare = std::memcmp(convertedPixel.get(), transformedPixel.get(), |
| imageInfo.bytesPerPixel()); |
| ASSERT_EQ(compare, 0); |
| } |
| } |
| |
| TEST_F(ImageBitmapTest, ImageBitmapColorSpaceConversionImageBitmap) { |
| HTMLImageElement* imageElement = |
| HTMLImageElement::create(*Document::create()); |
| |
| SkPaint p; |
| p.setColor(SK_ColorRED); |
| sk_sp<SkColorSpace> srcRGBColorSpace = SkColorSpace::MakeSRGB(); |
| |
| SkImageInfo rasterImageInfo = |
| SkImageInfo::MakeN32Premul(10, 10, srcRGBColorSpace); |
| sk_sp<SkSurface> surface(SkSurface::MakeRaster(rasterImageInfo)); |
| surface->getCanvas()->drawCircle(5, 5, 5, p); |
| sk_sp<SkImage> image = surface->makeImageSnapshot(); |
| |
| std::unique_ptr<uint8_t[]> srcPixel( |
| new uint8_t[rasterImageInfo.bytesPerPixel()]()); |
| image->readPixels(rasterImageInfo.makeWH(1, 1), srcPixel.get(), |
| image->width() * rasterImageInfo.bytesPerPixel(), 5, 5); |
| |
| ImageResourceContent* sourceImageResource = |
| ImageResourceContent::create(StaticBitmapImage::create(image).get()); |
| imageElement->setImageResource(sourceImageResource); |
| |
| Optional<IntRect> cropRect = IntRect(0, 0, image->width(), image->height()); |
| ImageBitmapOptions options = |
| prepareBitmapOptionsAndSetRuntimeFlags(ColorSpaceConversion::SRGB); |
| ImageBitmap* sourceImageBitmap = ImageBitmap::create( |
| imageElement, cropRect, &(imageElement->document()), options); |
| |
| sk_sp<SkColorSpace> colorSpace = nullptr; |
| SkColorType colorType = SkColorType::kN32_SkColorType; |
| SkColorSpaceXform::ColorFormat colorFormat32 = |
| (colorType == kBGRA_8888_SkColorType) |
| ? SkColorSpaceXform::ColorFormat::kBGRA_8888_ColorFormat |
| : SkColorSpaceXform::ColorFormat::kRGBA_8888_ColorFormat; |
| SkColorSpaceXform::ColorFormat colorFormat = colorFormat32; |
| |
| for (uint8_t i = static_cast<uint8_t>( |
| ColorSpaceConversion::DEFAULT_NOT_COLOR_CORRECTED); |
| i <= static_cast<uint8_t>(ColorSpaceConversion::LAST); i++) { |
| ColorSpaceConversion colorSpaceConversion = |
| static_cast<ColorSpaceConversion>(i); |
| options = prepareBitmapOptionsAndSetRuntimeFlags(colorSpaceConversion); |
| ImageBitmap* imageBitmap = |
| ImageBitmap::create(sourceImageBitmap, cropRect, options); |
| SkImage* convertedImage = |
| imageBitmap->bitmapImage()->imageForCurrentFrame().get(); |
| |
| switch (colorSpaceConversion) { |
| case ColorSpaceConversion::NONE: |
| NOTREACHED(); |
| break; |
| case ColorSpaceConversion::DEFAULT_NOT_COLOR_CORRECTED: |
| colorSpace = ColorBehavior::globalTargetColorSpace().ToSkColorSpace(); |
| colorFormat = colorFormat32; |
| break; |
| case ColorSpaceConversion::DEFAULT_COLOR_CORRECTED: |
| case ColorSpaceConversion::SRGB: |
| colorSpace = SkColorSpace::MakeSRGB(); |
| colorFormat = colorFormat32; |
| break; |
| case ColorSpaceConversion::LINEAR_RGB: |
| colorSpace = SkColorSpace::MakeSRGBLinear(); |
| colorType = SkColorType::kRGBA_F16_SkColorType; |
| colorFormat = SkColorSpaceXform::ColorFormat::kRGBA_F16_ColorFormat; |
| break; |
| default: |
| NOTREACHED(); |
| } |
| |
| SkImageInfo imageInfo = SkImageInfo::Make( |
| 1, 1, colorType, SkAlphaType::kPremul_SkAlphaType, colorSpace); |
| std::unique_ptr<uint8_t[]> convertedPixel( |
| new uint8_t[imageInfo.bytesPerPixel()]()); |
| convertedImage->readPixels( |
| imageInfo, convertedPixel.get(), |
| convertedImage->width() * imageInfo.bytesPerPixel(), 5, 5); |
| |
| // Transform the source pixel and check if the image bitmap color conversion |
| // is done correctly. |
| std::unique_ptr<SkColorSpaceXform> colorSpaceXform = |
| SkColorSpaceXform::New(srcRGBColorSpace.get(), colorSpace.get()); |
| std::unique_ptr<uint8_t[]> transformedPixel( |
| new uint8_t[imageInfo.bytesPerPixel()]()); |
| colorSpaceXform->apply(colorFormat, transformedPixel.get(), colorFormat32, |
| srcPixel.get(), 1, SkAlphaType::kPremul_SkAlphaType); |
| |
| int compare = std::memcmp(convertedPixel.get(), transformedPixel.get(), |
| imageInfo.bytesPerPixel()); |
| ASSERT_EQ(compare, 0); |
| } |
| } |
| |
| TEST_F(ImageBitmapTest, ImageBitmapColorSpaceConversionStaticBitmapImage) { |
| SkPaint p; |
| p.setColor(SK_ColorRED); |
| sk_sp<SkColorSpace> srcRGBColorSpace = SkColorSpace::MakeSRGB(); |
| |
| SkImageInfo rasterImageInfo = |
| SkImageInfo::MakeN32Premul(10, 10, srcRGBColorSpace); |
| sk_sp<SkSurface> surface(SkSurface::MakeRaster(rasterImageInfo)); |
| surface->getCanvas()->drawCircle(5, 5, 5, p); |
| sk_sp<SkImage> image = surface->makeImageSnapshot(); |
| |
| std::unique_ptr<uint8_t[]> srcPixel( |
| new uint8_t[rasterImageInfo.bytesPerPixel()]()); |
| image->readPixels(rasterImageInfo.makeWH(1, 1), srcPixel.get(), |
| image->width() * rasterImageInfo.bytesPerPixel(), 5, 5); |
| |
| Optional<IntRect> cropRect = IntRect(0, 0, image->width(), image->height()); |
| |
| sk_sp<SkColorSpace> colorSpace = nullptr; |
| SkColorType colorType = SkColorType::kN32_SkColorType; |
| SkColorSpaceXform::ColorFormat colorFormat32 = |
| (colorType == kBGRA_8888_SkColorType) |
| ? SkColorSpaceXform::ColorFormat::kBGRA_8888_ColorFormat |
| : SkColorSpaceXform::ColorFormat::kRGBA_8888_ColorFormat; |
| SkColorSpaceXform::ColorFormat colorFormat = colorFormat32; |
| |
| for (uint8_t i = static_cast<uint8_t>( |
| ColorSpaceConversion::DEFAULT_NOT_COLOR_CORRECTED); |
| i <= static_cast<uint8_t>(ColorSpaceConversion::LAST); i++) { |
| ColorSpaceConversion colorSpaceConversion = |
| static_cast<ColorSpaceConversion>(i); |
| ImageBitmapOptions options = |
| prepareBitmapOptionsAndSetRuntimeFlags(colorSpaceConversion); |
| ImageBitmap* imageBitmap = ImageBitmap::create( |
| StaticBitmapImage::create(image), cropRect, options); |
| |
| SkImage* convertedImage = |
| imageBitmap->bitmapImage()->imageForCurrentFrame().get(); |
| |
| switch (colorSpaceConversion) { |
| case ColorSpaceConversion::NONE: |
| NOTREACHED(); |
| break; |
| case ColorSpaceConversion::DEFAULT_NOT_COLOR_CORRECTED: |
| colorSpace = ColorBehavior::globalTargetColorSpace().ToSkColorSpace(); |
| colorFormat = colorFormat32; |
| break; |
| case ColorSpaceConversion::DEFAULT_COLOR_CORRECTED: |
| case ColorSpaceConversion::SRGB: |
| colorSpace = SkColorSpace::MakeSRGB(); |
| colorFormat = colorFormat32; |
| break; |
| case ColorSpaceConversion::LINEAR_RGB: |
| colorSpace = SkColorSpace::MakeSRGBLinear(); |
| colorType = SkColorType::kRGBA_F16_SkColorType; |
| colorFormat = SkColorSpaceXform::ColorFormat::kRGBA_F16_ColorFormat; |
| break; |
| default: |
| NOTREACHED(); |
| } |
| |
| SkImageInfo imageInfo = SkImageInfo::Make( |
| 1, 1, colorType, SkAlphaType::kPremul_SkAlphaType, colorSpace); |
| std::unique_ptr<uint8_t[]> convertedPixel( |
| new uint8_t[imageInfo.bytesPerPixel()]()); |
| convertedImage->readPixels( |
| imageInfo, convertedPixel.get(), |
| convertedImage->width() * imageInfo.bytesPerPixel(), 5, 5); |
| |
| // Transform the source pixel and check if the image bitmap color conversion |
| // is done correctly. |
| std::unique_ptr<SkColorSpaceXform> colorSpaceXform = |
| SkColorSpaceXform::New(srcRGBColorSpace.get(), colorSpace.get()); |
| std::unique_ptr<uint8_t[]> transformedPixel( |
| new uint8_t[imageInfo.bytesPerPixel()]()); |
| colorSpaceXform->apply(colorFormat, transformedPixel.get(), colorFormat32, |
| srcPixel.get(), 1, SkAlphaType::kPremul_SkAlphaType); |
| |
| int compare = std::memcmp(convertedPixel.get(), transformedPixel.get(), |
| imageInfo.bytesPerPixel()); |
| ASSERT_EQ(compare, 0); |
| } |
| } |
| |
| TEST_F(ImageBitmapTest, ImageBitmapColorSpaceConversionImageData) { |
| unsigned char dataBuffer[4] = {255, 0, 0, 255}; |
| DOMUint8ClampedArray* data = DOMUint8ClampedArray::create(dataBuffer, 4); |
| ImageData* imageData = ImageData::create(IntSize(1, 1), data); |
| std::unique_ptr<uint8_t[]> srcPixel(new uint8_t[4]()); |
| memcpy(srcPixel.get(), imageData->data()->data(), 4); |
| |
| Optional<IntRect> cropRect = IntRect(0, 0, 1, 1); |
| sk_sp<SkColorSpace> colorSpace = nullptr; |
| SkColorSpaceXform::ColorFormat colorFormat32 = |
| (SkColorType::kN32_SkColorType == kBGRA_8888_SkColorType) |
| ? SkColorSpaceXform::ColorFormat::kBGRA_8888_ColorFormat |
| : SkColorSpaceXform::ColorFormat::kRGBA_8888_ColorFormat; |
| SkColorType colorType = SkColorType::kN32_SkColorType; |
| SkColorSpaceXform::ColorFormat colorFormat = colorFormat32; |
| |
| for (uint8_t i = |
| static_cast<uint8_t>(ColorSpaceConversion::DEFAULT_COLOR_CORRECTED); |
| i <= static_cast<uint8_t>(ColorSpaceConversion::LAST); i++) { |
| ColorSpaceConversion colorSpaceConversion = |
| static_cast<ColorSpaceConversion>(i); |
| ImageBitmapOptions options = |
| prepareBitmapOptionsAndSetRuntimeFlags(colorSpaceConversion); |
| ImageBitmap* imageBitmap = |
| ImageBitmap::create(imageData, cropRect, options); |
| |
| SkImage* convertedImage = |
| imageBitmap->bitmapImage()->imageForCurrentFrame().get(); |
| |
| switch (colorSpaceConversion) { |
| case ColorSpaceConversion::NONE: |
| NOTREACHED(); |
| break; |
| case ColorSpaceConversion::DEFAULT_COLOR_CORRECTED: |
| case ColorSpaceConversion::SRGB: |
| colorSpace = SkColorSpace::MakeSRGB(); |
| colorFormat = colorFormat32; |
| break; |
| case ColorSpaceConversion::LINEAR_RGB: |
| colorSpace = SkColorSpace::MakeSRGBLinear(); |
| colorType = SkColorType::kRGBA_F16_SkColorType; |
| colorFormat = SkColorSpaceXform::ColorFormat::kRGBA_F16_ColorFormat; |
| break; |
| default: |
| NOTREACHED(); |
| } |
| |
| SkImageInfo imageInfo = SkImageInfo::Make( |
| 1, 1, colorType, SkAlphaType::kUnpremul_SkAlphaType, colorSpace); |
| std::unique_ptr<uint8_t[]> convertedPixel( |
| new uint8_t[imageInfo.bytesPerPixel()]()); |
| convertedImage->readPixels( |
| imageInfo, convertedPixel.get(), |
| convertedImage->width() * imageInfo.bytesPerPixel(), 0, 0); |
| |
| // Transform the source pixel and check if the pixel from image bitmap has |
| // the same color information. |
| std::unique_ptr<SkColorSpaceXform> colorSpaceXform = SkColorSpaceXform::New( |
| imageData->skColorSpace().get(), colorSpace.get()); |
| std::unique_ptr<uint8_t[]> transformedPixel( |
| new uint8_t[imageInfo.bytesPerPixel()]()); |
| colorSpaceXform->apply(colorFormat, transformedPixel.get(), colorFormat32, |
| srcPixel.get(), 1, |
| SkAlphaType::kUnpremul_SkAlphaType); |
| int compare = std::memcmp(convertedPixel.get(), transformedPixel.get(), |
| imageInfo.bytesPerPixel()); |
| ASSERT_EQ(compare, 0); |
| } |
| } |
| |
| } // namespace blink |
