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> 3096fc4b33SArmin 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 */ 58*64b14621SArmin Le Grand class DRAWINGLAYER_DLLPUBLIC FillGradientPrimitive2D : public BufferedDecompositionPrimitive2D 59*64b14621SArmin Le Grand { 60*64b14621SArmin Le Grand private: 61*64b14621SArmin Le Grand /// the geometrically visible area 62*64b14621SArmin Le Grand basegfx::B2DRange maOutputRange; 63*64b14621SArmin Le Grand 64*64b14621SArmin Le Grand /// the area the gradient definition is based on 65*64b14621SArmin Le Grand /// in the simplest case identical to OutputRange 66*64b14621SArmin Le Grand basegfx::B2DRange maDefinitionRange; 67cdf0e10cSrcweir 68cdf0e10cSrcweir /// the gradient definition 69*64b14621SArmin Le Grand attribute::FillGradientAttribute maFillGradient; 70cdf0e10cSrcweir 71cdf0e10cSrcweir /// local helpers 72cdf0e10cSrcweir void generateMatricesAndColors( 7396fc4b33SArmin Le Grand std::vector< drawinglayer::texture::B2DHomMatrixAndBColor >& rEntries, 74*64b14621SArmin Le Grand basegfx::BColor& rOuterColor) const; 75cdf0e10cSrcweir Primitive2DSequence createOverlappingFill( 7696fc4b33SArmin Le Grand const std::vector< drawinglayer::texture::B2DHomMatrixAndBColor >& rEntries, 77*64b14621SArmin Le Grand const basegfx::BColor& rOuterColor, 78cdf0e10cSrcweir const basegfx::B2DPolygon& rUnitPolygon) const; 79cdf0e10cSrcweir Primitive2DSequence createNonOverlappingFill( 8096fc4b33SArmin Le Grand const std::vector< drawinglayer::texture::B2DHomMatrixAndBColor >& rEntries, 81*64b14621SArmin Le Grand const basegfx::BColor& rOuterColor, 82cdf0e10cSrcweir const basegfx::B2DPolygon& rUnitPolygon) const; 83cdf0e10cSrcweir 84*64b14621SArmin Le Grand protected: 85cdf0e10cSrcweir /// local helper 86*64b14621SArmin Le Grand Primitive2DSequence createFill(bool bOverlapping) const; 87cdf0e10cSrcweir 88cdf0e10cSrcweir /// local decomposition. 89*64b14621SArmin Le Grand virtual Primitive2DSequence create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const; 90*64b14621SArmin Le Grand 91*64b14621SArmin Le Grand public: 92*64b14621SArmin Le Grand /// constructors. The one without definition range will use output range as definition range 93*64b14621SArmin Le Grand FillGradientPrimitive2D( 94*64b14621SArmin Le Grand const basegfx::B2DRange& rOutputRange, 95*64b14621SArmin Le Grand const attribute::FillGradientAttribute& rFillGradient); 96*64b14621SArmin Le Grand FillGradientPrimitive2D( 97*64b14621SArmin Le Grand const basegfx::B2DRange& rOutputRange, 98*64b14621SArmin Le Grand const basegfx::B2DRange& rDefinitionRange, 99*64b14621SArmin Le Grand const attribute::FillGradientAttribute& rFillGradient); 100*64b14621SArmin Le Grand 101*64b14621SArmin Le Grand /// data read access getOutputRange() const102*64b14621SArmin Le Grand const basegfx::B2DRange& getOutputRange() const { return maOutputRange; } getDefinitionRange() const103*64b14621SArmin Le Grand const basegfx::B2DRange& getDefinitionRange() const { return maDefinitionRange; } getFillGradient() const104*64b14621SArmin Le Grand const attribute::FillGradientAttribute& getFillGradient() const { return maFillGradient; } 105*64b14621SArmin Le Grand 106*64b14621SArmin Le Grand /// compare operator 107*64b14621SArmin Le Grand virtual bool operator==(const BasePrimitive2D& rPrimitive) const; 108*64b14621SArmin Le Grand 109*64b14621SArmin Le Grand /// get range 110*64b14621SArmin Le Grand virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const; 111*64b14621SArmin Le Grand 112*64b14621SArmin Le Grand /// provide unique ID 113*64b14621SArmin Le Grand DeclPrimitrive2DIDBlock() 114*64b14621SArmin Le Grand }; 115*64b14621SArmin Le Grand } // end of namespace primitive2d 116cdf0e10cSrcweir } // end of namespace drawinglayer 117cdf0e10cSrcweir 118cdf0e10cSrcweir ////////////////////////////////////////////////////////////////////////////// 119cdf0e10cSrcweir 120cdf0e10cSrcweir #endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_FILLGRADIENTPRIMITIVE2D_HXX 121cdf0e10cSrcweir 122cdf0e10cSrcweir ////////////////////////////////////////////////////////////////////////////// 123cdf0e10cSrcweir // eof 124