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Diffstat (limited to 'include/drawinglayer/primitive2d/glowprimitive2d.hxx')
-rw-r--r-- | include/drawinglayer/primitive2d/glowprimitive2d.hxx | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/include/drawinglayer/primitive2d/glowprimitive2d.hxx b/include/drawinglayer/primitive2d/glowprimitive2d.hxx new file mode 100644 index 0000000000..985137e232 --- /dev/null +++ b/include/drawinglayer/primitive2d/glowprimitive2d.hxx @@ -0,0 +1,79 @@ +/* -*- 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/BufferedDecompositionGroupPrimitive2D.hxx> +#include <tools/color.hxx> + +namespace drawinglayer::primitive2d +{ +class DRAWINGLAYER_DLLPUBLIC GlowPrimitive2D final : public BufferedDecompositionGroupPrimitive2D +{ +private: + /// the Glow color to which all geometry is to be forced; includes alpha + Color maGlowColor; + + /// the Glow size, in logical units (100ths of mm) + double mfGlowRadius; + + /// last used DiscreteGlowRadius and ClippedRange + double mfLastDiscreteGlowRadius; + basegfx::B2DRange maLastClippedRange; + + /// helpers + bool prepareValuesAndcheckValidity(basegfx::B2DRange& rRange, basegfx::B2DRange& rClippedRange, + basegfx::B2DVector& rDiscreteSize, + double& rfDiscreteGlowRadius, + const geometry::ViewInformation2D& rViewInformation) const; + +protected: + /** method which is to be used to implement the local decomposition of a 2D primitive. */ + virtual void + create2DDecomposition(Primitive2DContainer& rContainer, + const geometry::ViewInformation2D& rViewInformation) const override; + +public: + /// constructor + GlowPrimitive2D(const Color& rGlowColor, double fRadius, Primitive2DContainer&& rChildren); + + /// data read access + const Color& getGlowColor() const { return maGlowColor; } + double getGlowRadius() const { return mfGlowRadius; } + + /// compare operator + virtual bool operator==(const BasePrimitive2D& rPrimitive) const override; + + /// get range + virtual basegfx::B2DRange + getB2DRange(const geometry::ViewInformation2D& rViewInformation) const override; + + /// The default implementation will return an empty sequence + virtual void + get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, + const geometry::ViewInformation2D& rViewInformation) const override; + + /// provide unique ID + virtual sal_uInt32 getPrimitive2DID() const override; +}; +} // end of namespace drawinglayer::primitive2d + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |