| /* |
| * Copyright (C) 2020 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 |
| |
| #if USE(CORE_IMAGE) |
| |
| #import "FilterEffectRenderer.h" |
| #import "PlatformImageBuffer.h" |
| #import <wtf/Vector.h> |
| |
| OBJC_CLASS CIImage; |
| OBJC_CLASS CIFilter; |
| OBJC_CLASS CIContext; |
| |
| namespace WebCore { |
| |
| class FEColorMatrix; |
| class FEComponentTransfer; |
| class SourceGraphic; |
| |
| class FilterEffectRendererCoreImage : public FilterEffectRenderer { |
| WTF_MAKE_FAST_ALLOCATED; |
| |
| public: |
| static std::unique_ptr<FilterEffectRendererCoreImage> tryCreate(FilterEffect&); |
| RetainPtr<CIContext> sharedCIContext(); |
| void applyEffects(const Filter&, FilterEffect&) final; |
| bool hasResult() const final { return m_outputImage; } |
| ImageBuffer* output() const final; |
| FloatRect destRect(const FilterEffect&) const final; |
| void clearResult() final; |
| FilterEffectRendererCoreImage(); |
| |
| private: |
| RetainPtr<CIImage> connectCIFilters(const Filter&, FilterEffect&); |
| void renderToImageBuffer(FilterEffect&) final; |
| static bool supportsCoreImageRendering(FilterEffect&); |
| static bool canRenderUsingCIFilters(FilterEffect&); |
| |
| RetainPtr<CIImage> imageForSourceGraphic(const Filter&); |
| RetainPtr<CIImage> imageForFEColorMatrix(const FEColorMatrix&, const Vector<RetainPtr<CIImage>>&); |
| RetainPtr<CIImage> imageForFEComponentTransfer(const FEComponentTransfer&, Vector<RetainPtr<CIImage>>&); |
| |
| RefPtr<IOSurfaceImageBuffer> m_outputImageBuffer; |
| RetainPtr<CIImage> m_outputImage; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif |