/* * 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 <wtf/HashMap.h> #import <wtf/Vector.h> OBJC_CLASS CIImage; OBJC_CLASS CIFilter; OBJC_CLASS CIContext; namespace WebCore { class FilterEffectRendererCoreImage : public FilterEffectRenderer { WTF_MAKE_FAST_ALLOCATED; public: static std::unique_ptr<FilterEffectRendererCoreImage> tryCreate(FilterEffect&); void applyEffects(FilterEffect&) final; bool hasResult() const final { return m_outputImage; } ImageBuffer* output() const final; FloatRect destRect(const FilterEffect&) const final; void clearResult() final; FilterEffectRendererCoreImage(); private: CIImage* connectCIFilters(FilterEffect&); void renderToImageBuffer(FilterEffect&) final; static bool supportsCoreImageRendering(FilterEffect&); static bool canRenderUsingCIFilters(FilterEffect&); std::unique_ptr<ImageBuffer> m_outputImageBuffer; HashMap<Ref<FilterEffect>, Vector<RetainPtr<CIFilter>>> m_ciFilterStorageMap; RetainPtr<CIImage> m_outputImage; RetainPtr<CIContext> m_context; }; } // namespace WebCore #endif