| /* |
| * Copyright (C) 2021 Apple 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: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. 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. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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. |
| */ |
| |
| #pragma once |
| |
| #include "FloatRect.h" |
| #include "IntRect.h" |
| #include "PixelBuffer.h" |
| #include "RenderingMode.h" |
| #include <JavaScriptCore/Forward.h> |
| #include <wtf/RefCounted.h> |
| #include <wtf/Vector.h> |
| |
| #if USE(CORE_IMAGE) |
| OBJC_CLASS CIImage; |
| #endif |
| |
| namespace WebCore { |
| |
| class Filter; |
| class FloatRect; |
| class ImageBuffer; |
| class ImageBufferAllocator; |
| |
| class FilterImage : public RefCounted<FilterImage> { |
| public: |
| static RefPtr<FilterImage> create(const FloatRect& primitiveSubregion, const FloatRect& imageRect, const IntRect& absoluteImageRect, bool isAlphaImage, bool isValidPremultiplied, RenderingMode, const DestinationColorSpace&, ImageBufferAllocator&); |
| static RefPtr<FilterImage> create(const FloatRect& primitiveSubregion, const FloatRect& imageRect, const IntRect& absoluteImageRect, Ref<ImageBuffer>&&, ImageBufferAllocator&); |
| |
| // The return values are in filter coordinates. |
| FloatRect primitiveSubregion() const { return m_primitiveSubregion; } |
| FloatRect maxEffectRect(const Filter&) const; |
| FloatRect imageRect() const { return m_imageRect; } |
| |
| // The return values are in user-space coordinates. |
| IntRect absoluteImageRect() const { return m_absoluteImageRect; } |
| IntRect absoluteImageRectRelativeTo(const FilterImage& origin) const; |
| FloatPoint mappedAbsolutePoint(const FloatPoint&) const; |
| |
| bool isAlphaImage() const { return m_isAlphaImage; } |
| RenderingMode renderingMode() const { return m_renderingMode; } |
| const DestinationColorSpace& colorSpace() const { return m_colorSpace; } |
| |
| WEBCORE_EXPORT ImageBuffer* imageBuffer(); |
| PixelBuffer* pixelBuffer(AlphaPremultiplication); |
| |
| RefPtr<PixelBuffer> getPixelBuffer(AlphaPremultiplication, const IntRect& sourceRect, std::optional<DestinationColorSpace> = std::nullopt); |
| void copyPixelBuffer(PixelBuffer& destinationPixelBuffer, const IntRect& sourceRect); |
| |
| void correctPremultipliedPixelBuffer(); |
| void transformToColorSpace(const DestinationColorSpace&); |
| |
| #if USE(CORE_IMAGE) |
| RetainPtr<CIImage> ciImage() const { return m_ciImage; } |
| void setCIImage(RetainPtr<CIImage>&&); |
| #endif |
| |
| private: |
| FilterImage(const FloatRect& primitiveSubregion, const FloatRect& imageRect, const IntRect& absoluteImageRect, bool isAlphaImage, bool isValidPremultiplied, RenderingMode, const DestinationColorSpace&, ImageBufferAllocator&); |
| FilterImage(const FloatRect& primitiveSubregion, const FloatRect& imageRect, const IntRect& absoluteImageRect, Ref<ImageBuffer>&&, ImageBufferAllocator&); |
| |
| RefPtr<PixelBuffer>& pixelBufferSlot(AlphaPremultiplication); |
| |
| ImageBuffer* imageBufferFromPixelBuffer(); |
| |
| #if USE(CORE_IMAGE) |
| ImageBuffer* imageBufferFromCIImage(); |
| #endif |
| |
| bool requiresPixelBufferColorSpaceConversion(std::optional<DestinationColorSpace>) const; |
| |
| FloatRect m_primitiveSubregion; |
| FloatRect m_imageRect; |
| IntRect m_absoluteImageRect; |
| |
| bool m_isAlphaImage { false }; |
| bool m_isValidPremultiplied { true }; |
| RenderingMode m_renderingMode; |
| DestinationColorSpace m_colorSpace; |
| |
| RefPtr<ImageBuffer> m_imageBuffer; |
| RefPtr<PixelBuffer> m_unpremultipliedPixelBuffer; |
| RefPtr<PixelBuffer> m_premultipliedPixelBuffer; |
| |
| #if USE(CORE_IMAGE) |
| RetainPtr<CIImage> m_ciImage; |
| #endif |
| |
| ImageBufferAllocator& m_allocator; |
| }; |
| |
| } // namespace WebCore |