| /* |
| * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org> |
| * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org> |
| * Copyright (C) 2005 Eric Seidel <eric@webkit.org> |
| * Copyright (C) 2015-2021 Apple, Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| */ |
| |
| #pragma once |
| |
| #include "FilterEffectApplier.h" |
| #include <JavaScriptCore/Forward.h> |
| |
| namespace WebCore { |
| |
| class FEGaussianBlur; |
| enum class EdgeModeType; |
| |
| class FEGaussianBlurSoftwareApplier : public FilterEffectConcreteApplier<FEGaussianBlur> { |
| using Base = FilterEffectConcreteApplier<FEGaussianBlur>; |
| |
| public: |
| using Base::Base; |
| |
| bool apply(const Filter&, const FilterImageVector& inputs, FilterImage& result) override; |
| |
| private: |
| struct ApplyParameters { |
| RefPtr<Uint8ClampedArray> ioPixelArray; |
| RefPtr<Uint8ClampedArray> tmpPixelArray; |
| int width; |
| int height; |
| unsigned kernelSizeX; |
| unsigned kernelSizeY; |
| bool isAlphaImage; |
| EdgeModeType edgeMode; |
| }; |
| |
| static inline void kernelPosition(int blurIteration, unsigned& radius, int& deltaLeft, int& deltaRight); |
| |
| static inline void boxBlurAlphaOnly(const Uint8ClampedArray& srcPixelArray, Uint8ClampedArray& dstPixelArray, unsigned dx, int& dxLeft, int& dxRight, int& stride, int& strideLine, int& effectWidth, int& effectHeight, const int& maxKernelSize); |
| static inline void boxBlur(const Uint8ClampedArray& srcPixelArray, Uint8ClampedArray& dstPixelArray, unsigned dx, int dxLeft, int dxRight, int stride, int strideLine, int effectWidth, int effectHeight, bool alphaImage, EdgeModeType); |
| |
| static inline void boxBlurAccelerated(Uint8ClampedArray& ioBuffer, Uint8ClampedArray& tempBuffer, unsigned kernelSize, int stride, int effectWidth, int effectHeight); |
| static inline void boxBlurUnaccelerated(Uint8ClampedArray& ioBuffer, Uint8ClampedArray& tempBuffer, unsigned kernelSizeX, unsigned kernelSizeY, int stride, IntSize& paintSize, bool isAlphaImage, EdgeModeType); |
| |
| static inline void boxBlurGeneric(Uint8ClampedArray& ioBuffer, Uint8ClampedArray& tmpPixelArray, unsigned kernelSizeX, unsigned kernelSizeY, IntSize& paintSize, bool isAlphaImage, EdgeModeType); |
| static inline void boxBlurWorker(ApplyParameters*); |
| |
| static inline void applyPlatform(Uint8ClampedArray& ioBuffer, Uint8ClampedArray& tmpPixelArray, unsigned kernelSizeX, unsigned kernelSizeY, IntSize& paintSize, bool isAlphaImage, EdgeModeType); |
| }; |
| |
| } // namespace WebCore |