14f506f19SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 34f506f19SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 44f506f19SAndrew Rist * or more contributor license agreements. See the NOTICE file 54f506f19SAndrew Rist * distributed with this work for additional information 64f506f19SAndrew Rist * regarding copyright ownership. The ASF licenses this file 74f506f19SAndrew Rist * to you under the Apache License, Version 2.0 (the 84f506f19SAndrew Rist * "License"); you may not use this file except in compliance 94f506f19SAndrew Rist * with the License. You may obtain a copy of the License at 104f506f19SAndrew Rist * 114f506f19SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 124f506f19SAndrew Rist * 134f506f19SAndrew Rist * Unless required by applicable law or agreed to in writing, 144f506f19SAndrew Rist * software distributed under the License is distributed on an 154f506f19SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 164f506f19SAndrew Rist * KIND, either express or implied. See the License for the 174f506f19SAndrew Rist * specific language governing permissions and limitations 184f506f19SAndrew Rist * under the License. 194f506f19SAndrew Rist * 204f506f19SAndrew Rist *************************************************************/ 214f506f19SAndrew Rist 224f506f19SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir #ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_FILLGRADIENTPRIMITIVE2D_HXX 25cdf0e10cSrcweir #define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_FILLGRADIENTPRIMITIVE2D_HXX 26cdf0e10cSrcweir 27090f0eb8SEike Rathke #include <drawinglayer/drawinglayerdllapi.h> 28cdf0e10cSrcweir #include <drawinglayer/primitive2d/baseprimitive2d.hxx> 29cdf0e10cSrcweir #include <drawinglayer/attribute/fillgradientattribute.hxx> 30*96fc4b33SArmin Le Grand #include <drawinglayer/texture/texture.hxx> 31cdf0e10cSrcweir 32cdf0e10cSrcweir ////////////////////////////////////////////////////////////////////////////// 33cdf0e10cSrcweir // predefines 34cdf0e10cSrcweir 35cdf0e10cSrcweir namespace basegfx { class B2DPolygon; } 36cdf0e10cSrcweir 37cdf0e10cSrcweir ////////////////////////////////////////////////////////////////////////////// 38cdf0e10cSrcweir // FillGradientPrimitive2D class 39cdf0e10cSrcweir 40cdf0e10cSrcweir namespace drawinglayer 41cdf0e10cSrcweir { 42cdf0e10cSrcweir namespace primitive2d 43cdf0e10cSrcweir { 44cdf0e10cSrcweir /** FillGradientPrimitive2D class 45cdf0e10cSrcweir 46cdf0e10cSrcweir This class defines a gradient filling for a rectangular area. The 47cdf0e10cSrcweir Range is defined by the Transformation, the gradient by the FillGradientAttribute. 48cdf0e10cSrcweir 49cdf0e10cSrcweir The decomposition will deliver the decomposed gradient, e.g. for an ellipse 50cdf0e10cSrcweir gradient the various ellipses in various color steps will be created. 51cdf0e10cSrcweir 52cdf0e10cSrcweir I have added functionality to create both versions of filled decompositions: 53cdf0e10cSrcweir Those who overlap and non-overlapping ones. The overlapping version is the 54cdf0e10cSrcweir default one since it works with and without AntiAliasing. The non-overlapping 55cdf0e10cSrcweir version is used in the MetafilePrimitive2D decomposition when the old XOR 56cdf0e10cSrcweir paint was recorded. 57cdf0e10cSrcweir */ 58090f0eb8SEike Rathke class DRAWINGLAYER_DLLPUBLIC FillGradientPrimitive2D : public BufferedDecompositionPrimitive2D 59cdf0e10cSrcweir { 60cdf0e10cSrcweir private: 61cdf0e10cSrcweir /// the geometric definition 62cdf0e10cSrcweir basegfx::B2DRange maObjectRange; 63cdf0e10cSrcweir 64cdf0e10cSrcweir /// the gradient definition 65cdf0e10cSrcweir attribute::FillGradientAttribute maFillGradient; 66cdf0e10cSrcweir 67cdf0e10cSrcweir /// local helpers 68cdf0e10cSrcweir void generateMatricesAndColors( 69*96fc4b33SArmin Le Grand std::vector< drawinglayer::texture::B2DHomMatrixAndBColor >& rEntries, 70*96fc4b33SArmin Le Grand basegfx::BColor& rOutmostColor) const; 71cdf0e10cSrcweir Primitive2DSequence createOverlappingFill( 72*96fc4b33SArmin Le Grand const std::vector< drawinglayer::texture::B2DHomMatrixAndBColor >& rEntries, 73*96fc4b33SArmin Le Grand const basegfx::BColor& rOutmostColor, 74cdf0e10cSrcweir const basegfx::B2DPolygon& rUnitPolygon) const; 75cdf0e10cSrcweir Primitive2DSequence createNonOverlappingFill( 76*96fc4b33SArmin Le Grand const std::vector< drawinglayer::texture::B2DHomMatrixAndBColor >& rEntries, 77*96fc4b33SArmin Le Grand const basegfx::BColor& rOutmostColor, 78cdf0e10cSrcweir const basegfx::B2DPolygon& rUnitPolygon) const; 79cdf0e10cSrcweir 80cdf0e10cSrcweir protected: 81cdf0e10cSrcweir /// local helper 82cdf0e10cSrcweir Primitive2DSequence createFill(bool bOverlapping) const; 83cdf0e10cSrcweir 84cdf0e10cSrcweir /// local decomposition. 85cdf0e10cSrcweir virtual Primitive2DSequence create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const; 86cdf0e10cSrcweir 87cdf0e10cSrcweir public: 88cdf0e10cSrcweir /// constructor 89cdf0e10cSrcweir FillGradientPrimitive2D( 90cdf0e10cSrcweir const basegfx::B2DRange& rObjectRange, 91cdf0e10cSrcweir const attribute::FillGradientAttribute& rFillGradient); 92cdf0e10cSrcweir 93cdf0e10cSrcweir /// data read access getObjectRange() const94cdf0e10cSrcweir const basegfx::B2DRange& getObjectRange() const { return maObjectRange; } getFillGradient() const95cdf0e10cSrcweir const attribute::FillGradientAttribute& getFillGradient() const { return maFillGradient; } 96cdf0e10cSrcweir 97cdf0e10cSrcweir /// compare operator 98cdf0e10cSrcweir virtual bool operator==(const BasePrimitive2D& rPrimitive) const; 99cdf0e10cSrcweir 100cdf0e10cSrcweir /// get range 101cdf0e10cSrcweir virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const; 102cdf0e10cSrcweir 103cdf0e10cSrcweir /// provide unique ID 104cdf0e10cSrcweir DeclPrimitrive2DIDBlock() 105cdf0e10cSrcweir }; 106cdf0e10cSrcweir } // end of namespace primitive2d 107cdf0e10cSrcweir } // end of namespace drawinglayer 108cdf0e10cSrcweir 109cdf0e10cSrcweir ////////////////////////////////////////////////////////////////////////////// 110cdf0e10cSrcweir 111cdf0e10cSrcweir #endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_FILLGRADIENTPRIMITIVE2D_HXX 112cdf0e10cSrcweir 113cdf0e10cSrcweir ////////////////////////////////////////////////////////////////////////////// 114cdf0e10cSrcweir // eof 115