| /* |
| * 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) 2010 Zoltan Herczeg <zherczeg@webkit.org> |
| * Copyright (C) 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 "FilterEffect.h" |
| #include "FloatPoint.h" |
| #include <wtf/Vector.h> |
| |
| namespace WebCore { |
| |
| enum class EdgeModeType { |
| Unknown, |
| Duplicate, |
| Wrap, |
| None |
| }; |
| |
| class FEConvolveMatrix : public FilterEffect { |
| public: |
| static Ref<FEConvolveMatrix> create(const IntSize& kernelSize, float divisor, float bias, const IntPoint& targetOffset, EdgeModeType, const FloatPoint& kernelUnitLength, bool preserveAlpha, const Vector<float>& kernelMatrix); |
| |
| IntSize kernelSize() const { return m_kernelSize; } |
| void setKernelSize(const IntSize&); |
| |
| const Vector<float>& kernel() const { return m_kernelMatrix; } |
| void setKernel(const Vector<float>&); |
| |
| float divisor() const { return m_divisor; } |
| bool setDivisor(float); |
| |
| float bias() const { return m_bias; } |
| bool setBias(float); |
| |
| IntPoint targetOffset() const { return m_targetOffset; } |
| bool setTargetOffset(const IntPoint&); |
| |
| EdgeModeType edgeMode() const { return m_edgeMode; } |
| bool setEdgeMode(EdgeModeType); |
| |
| FloatPoint kernelUnitLength() const { return m_kernelUnitLength; } |
| bool setKernelUnitLength(const FloatPoint&); |
| |
| bool preserveAlpha() const { return m_preserveAlpha; } |
| bool setPreserveAlpha(bool); |
| |
| private: |
| FEConvolveMatrix(const IntSize& kernelSize, float divisor, float bias, const IntPoint& targetOffset, EdgeModeType, const FloatPoint& kernelUnitLength, bool preserveAlpha, const Vector<float>& kernelMatrix); |
| |
| void determineAbsolutePaintRect(const Filter&) override { setAbsolutePaintRect(enclosingIntRect(maxEffectRect())); } |
| |
| bool platformApplySoftware(const Filter&) override; |
| |
| WTF::TextStream& externalRepresentation(WTF::TextStream&, RepresentationType) const override; |
| |
| IntSize m_kernelSize; |
| float m_divisor; |
| float m_bias; |
| IntPoint m_targetOffset; |
| EdgeModeType m_edgeMode; |
| FloatPoint m_kernelUnitLength; |
| bool m_preserveAlpha; |
| Vector<float> m_kernelMatrix; |
| }; |
| |
| } // namespace WebCore |
| |
| SPECIALIZE_TYPE_TRAITS_FILTER_EFFECT(FEConvolveMatrix) |