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Diffstat (limited to 'include/drawinglayer/primitive2d/backgroundcolorprimitive2d.hxx')
-rw-r--r-- | include/drawinglayer/primitive2d/backgroundcolorprimitive2d.hxx | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/include/drawinglayer/primitive2d/backgroundcolorprimitive2d.hxx b/include/drawinglayer/primitive2d/backgroundcolorprimitive2d.hxx new file mode 100644 index 000000000..191fde1b8 --- /dev/null +++ b/include/drawinglayer/primitive2d/backgroundcolorprimitive2d.hxx @@ -0,0 +1,84 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#pragma once + +#include <drawinglayer/drawinglayerdllapi.h> + +#include <drawinglayer/primitive2d/BufferedDecompositionPrimitive2D.hxx> +#include <basegfx/color/bcolor.hxx> + +// BackgroundColorPrimitive2D class + +namespace drawinglayer::primitive2d +{ +/** BackgroundColorPrimitive2D class + + This primitive is defined to fill the whole visible Viewport with + the given color (and thus decomposes to a filled polygon). This + makes it a view-dependent primitive by definition. It only has + a valid decomposition if a valid Viewport is given in the + ViewInformation2D at decomposition time. + + It will try to buffer its last decomposition using maLastViewport + to detect changes in the get2DDecomposition call. + */ +class DRAWINGLAYER_DLLPUBLIC BackgroundColorPrimitive2D final + : public BufferedDecompositionPrimitive2D +{ +private: + /// the fill color to use + basegfx::BColor maBColor; + double mfTransparency; + + /// the last used viewInformation, used from getDecomposition for buffering + basegfx::B2DRange maLastViewport; + + /// create local decomposition + virtual void + create2DDecomposition(Primitive2DContainer& rContainer, + const geometry::ViewInformation2D& rViewInformation) const override; + +public: + /// constructor + explicit BackgroundColorPrimitive2D(const basegfx::BColor& rBColor, double fTransparency = 0); + + /// data read access + const basegfx::BColor& getBColor() const { return maBColor; } + double getTransparency() const { return mfTransparency; } + + /// compare operator + virtual bool operator==(const BasePrimitive2D& rPrimitive) const override; + + /// get B2Drange + virtual basegfx::B2DRange + getB2DRange(const geometry::ViewInformation2D& rViewInformation) const override; + + /// provide unique ID + virtual sal_uInt32 getPrimitive2DID() const override; + + /// Override standard getDecomposition call to be view-dependent here + virtual void + get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, + const geometry::ViewInformation2D& rViewInformation) const override; +}; + +} // end of namespace drawinglayer::primitive2d + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |