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Diffstat (limited to 'chromium/third_party/WebKit/Source/platform/graphics/filters/custom/CustomFilterMeshGenerator.h')
-rw-r--r-- | chromium/third_party/WebKit/Source/platform/graphics/filters/custom/CustomFilterMeshGenerator.h | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/chromium/third_party/WebKit/Source/platform/graphics/filters/custom/CustomFilterMeshGenerator.h b/chromium/third_party/WebKit/Source/platform/graphics/filters/custom/CustomFilterMeshGenerator.h deleted file mode 100644 index d4fc6441611..00000000000 --- a/chromium/third_party/WebKit/Source/platform/graphics/filters/custom/CustomFilterMeshGenerator.h +++ /dev/null @@ -1,121 +0,0 @@ -/* - * Copyright (C) 2011 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 CustomFilterMeshGenerator_h -#define CustomFilterMeshGenerator_h - -#include "platform/PlatformExport.h" -#include "platform/geometry/FloatRect.h" -#include "platform/graphics/filters/custom/CustomFilterConstants.h" - -namespace WebCore { - -class PLATFORM_EXPORT CustomFilterMeshGenerator { -public: - // Lines and columns are the values passed in CSS. The result is vertex mesh that has 'rows' numbers of rows - // and 'columns' number of columns with a total of 'rows + 1' * 'columns + 1' vertices. - // MeshBox is the filtered area calculated defined using the border-box, padding-box, content-box or filter-box - // attributes. A value of (0, 0, 1, 1) will cover the entire output surface. - CustomFilterMeshGenerator(unsigned columns, unsigned rows, const FloatRect& meshBox, CustomFilterMeshType); - - const Vector<float>& vertices() const { return m_vertices; } - const Vector<uint16_t>& indices() const { return m_indices; } - - const IntSize& points() const { return m_points; } - unsigned pointsCount() const { return m_points.width() * m_points.height(); } - - const IntSize& tiles() const { return m_tiles; } - unsigned tilesCount() const { return m_tiles.width() * m_tiles.height(); } - - unsigned indicesCount() const - { - const unsigned trianglesPerTile = 2; - const unsigned indicesPerTriangle = 3; - return tilesCount() * trianglesPerTile * indicesPerTriangle; - } - - unsigned floatsPerVertex() const - { - static const unsigned AttachedMeshVertexSize = PositionAttribSize + TexAttribSize + MeshAttribSize; - static const unsigned DetachedMeshVertexSize = AttachedMeshVertexSize + TriangleAttribSize; - return m_meshType == MeshTypeAttached ? AttachedMeshVertexSize : DetachedMeshVertexSize; - } - - unsigned verticesCount() const - { - return m_meshType == MeshTypeAttached ? pointsCount() : indicesCount(); - } - -private: - typedef void (CustomFilterMeshGenerator::*AddTriangleVertexFunction)(int quadX, int quadY, int triangleX, int triangleY, int triangle); - - template <AddTriangleVertexFunction addTriangleVertex> - void addTile(int quadX, int quadY) - { - ((*this).*(addTriangleVertex))(quadX, quadY, 0, 0, 1); - ((*this).*(addTriangleVertex))(quadX, quadY, 1, 0, 2); - ((*this).*(addTriangleVertex))(quadX, quadY, 1, 1, 3); - ((*this).*(addTriangleVertex))(quadX, quadY, 0, 0, 4); - ((*this).*(addTriangleVertex))(quadX, quadY, 1, 1, 5); - ((*this).*(addTriangleVertex))(quadX, quadY, 0, 1, 6); - } - - void addAttachedMeshIndex(int quadX, int quadY, int triangleX, int triangleY, int triangle); - - void generateAttachedMesh(); - - void addDetachedMeshVertexAndIndex(int quadX, int quadY, int triangleX, int triangleY, int triangle); - - void generateDetachedMesh(); - void addPositionAttribute(int quadX, int quadY); - void addTexCoordAttribute(int quadX, int quadY); - void addMeshCoordAttribute(int quadX, int quadY); - void addTriangleCoordAttribute(int quadX, int quadY, int triangle); - void addAttachedMeshVertexAttributes(int quadX, int quadY); - void addDetachedMeshVertexAttributes(int quadX, int quadY, int triangleX, int triangleY, int triangle); - -#ifndef NDEBUG - void dumpBuffers() const; -#endif - -private: - Vector<float> m_vertices; - Vector<uint16_t> m_indices; - - CustomFilterMeshType m_meshType; - IntSize m_points; - IntSize m_tiles; - FloatSize m_tileSizeInPixels; - FloatSize m_tileSizeInDeviceSpace; - FloatRect m_meshBox; -}; - -} // namespace WebCore - -#endif // CustomFilterMeshGenerator_h |