| /* |
| * Copyright (C) 2012 Adobe Systems Incorporated. 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 THE COPYRIGHT HOLDER “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 THE COPYRIGHT HOLDER 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. |
| */ |
| |
| #ifndef CustomFilterOperation_h |
| #define CustomFilterOperation_h |
| |
| #include "core/platform/graphics/filters/FilterOperation.h" |
| #include "core/platform/graphics/filters/custom/CustomFilterConstants.h" |
| #include "core/platform/graphics/filters/custom/CustomFilterParameterList.h" |
| #include "core/platform/graphics/filters/custom/CustomFilterProgram.h" |
| #include "platform/geometry/LayoutSize.h" |
| |
| namespace WebCore { |
| |
| // CSS Shaders |
| |
| class CustomFilterOperation : public FilterOperation { |
| public: |
| static PassRefPtr<CustomFilterOperation> create(PassRefPtr<CustomFilterProgram> program, const CustomFilterParameterList& sortedParameters, unsigned meshRows, unsigned meshColumns, CustomFilterMeshType meshType) |
| { |
| return adoptRef(new CustomFilterOperation(program, sortedParameters, meshRows, meshColumns, meshType)); |
| } |
| |
| CustomFilterProgram* program() const { return m_program.get(); } |
| void setProgram(PassRefPtr<CustomFilterProgram> program) { m_program = program; } |
| |
| const CustomFilterParameterList& parameters() const { return m_parameters; } |
| |
| unsigned meshRows() const { return m_meshRows; } |
| unsigned meshColumns() const { return m_meshColumns; } |
| |
| CustomFilterMeshType meshType() const { return m_meshType; } |
| |
| virtual ~CustomFilterOperation(); |
| |
| virtual bool affectsOpacity() const { return true; } |
| virtual bool movesPixels() const { return true; } |
| |
| virtual PassRefPtr<FilterOperation> blend(const FilterOperation* from, double progress, bool blendToPassthrough = false); |
| |
| protected: |
| CustomFilterOperation(PassRefPtr<CustomFilterProgram>, const CustomFilterParameterList&, unsigned meshRows, unsigned meshColumns, CustomFilterMeshType); |
| |
| private: |
| virtual bool operator==(const FilterOperation& o) const |
| { |
| if (!isSameType(o)) |
| return false; |
| |
| const CustomFilterOperation* other = static_cast<const CustomFilterOperation*>(&o); |
| return m_program.get() == other->m_program.get() |
| && m_meshRows == other->m_meshRows |
| && m_meshColumns == other->m_meshColumns |
| && m_meshType == other->m_meshType |
| && m_parameters == other->m_parameters; |
| } |
| |
| RefPtr<CustomFilterProgram> m_program; |
| CustomFilterParameterList m_parameters; |
| |
| unsigned m_meshRows; |
| unsigned m_meshColumns; |
| CustomFilterMeshType m_meshType; |
| }; |
| |
| } // namespace WebCore |
| |
| |
| #endif // CustomFilterOperation_h |