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Diffstat (limited to 'drawinglayer/inc/drawinglayer/primitive2d/fillgradientprimitive2d.hxx')
-rw-r--r-- | drawinglayer/inc/drawinglayer/primitive2d/fillgradientprimitive2d.hxx | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/drawinglayer/inc/drawinglayer/primitive2d/fillgradientprimitive2d.hxx b/drawinglayer/inc/drawinglayer/primitive2d/fillgradientprimitive2d.hxx new file mode 100644 index 000000000000..f4f780404059 --- /dev/null +++ b/drawinglayer/inc/drawinglayer/primitive2d/fillgradientprimitive2d.hxx @@ -0,0 +1,119 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_FILLGRADIENTPRIMITIVE2D_HXX +#define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_FILLGRADIENTPRIMITIVE2D_HXX + +#include <drawinglayer/primitive2d/baseprimitive2d.hxx> +#include <drawinglayer/attribute/fillgradientattribute.hxx> + +////////////////////////////////////////////////////////////////////////////// +// predefines + +namespace basegfx { class B2DPolygon; } + +////////////////////////////////////////////////////////////////////////////// +// FillGradientPrimitive2D class + +namespace drawinglayer +{ + namespace primitive2d + { + /** FillGradientPrimitive2D class + + This class defines a gradient filling for a rectangular area. The + Range is defined by the Transformation, the gradient by the FillGradientAttribute. + + The decomposition will deliver the decomposed gradient, e.g. for an ellipse + gradient the various ellipses in various color steps will be created. + + I have added functionality to create both versions of filled decompositions: + Those who overlap and non-overlapping ones. The overlapping version is the + default one since it works with and without AntiAliasing. The non-overlapping + version is used in the MetafilePrimitive2D decomposition when the old XOR + paint was recorded. + */ + class FillGradientPrimitive2D : public BufferedDecompositionPrimitive2D + { + private: + /// the geometric definition + basegfx::B2DRange maObjectRange; + + /// the gradient definition + attribute::FillGradientAttribute maFillGradient; + + /// local helpers + void generateMatricesAndColors( + std::vector< basegfx::B2DHomMatrix >& rMatrices, + std::vector< basegfx::BColor >& rColors) const; + Primitive2DSequence createOverlappingFill( + const std::vector< basegfx::B2DHomMatrix >& rMatrices, + const std::vector< basegfx::BColor >& rColors, + const basegfx::B2DPolygon& rUnitPolygon) const; + Primitive2DSequence createNonOverlappingFill( + const std::vector< basegfx::B2DHomMatrix >& rMatrices, + const std::vector< basegfx::BColor >& rColors, + const basegfx::B2DPolygon& rUnitPolygon) const; + + protected: + /// local helper + Primitive2DSequence createFill(bool bOverlapping) const; + + /// local decomposition. + virtual Primitive2DSequence create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const; + + public: + /// constructor + FillGradientPrimitive2D( + const basegfx::B2DRange& rObjectRange, + const attribute::FillGradientAttribute& rFillGradient); + + /// data read access + const basegfx::B2DRange& getObjectRange() const { return maObjectRange; } + const attribute::FillGradientAttribute& getFillGradient() const { return maFillGradient; } + + /// compare operator + virtual bool operator==(const BasePrimitive2D& rPrimitive) const; + + /// get range + virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const; + + /// provide unique ID + DeclPrimitrive2DIDBlock() + }; + } // end of namespace primitive2d +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// + +#endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_FILLGRADIENTPRIMITIVE2D_HXX + +////////////////////////////////////////////////////////////////////////////// +// eof + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |