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| -rw-r--r-- | include/drawinglayer/primitive2d/patternfillprimitive2d.hxx | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/include/drawinglayer/primitive2d/patternfillprimitive2d.hxx b/include/drawinglayer/primitive2d/patternfillprimitive2d.hxx new file mode 100644 index 000000000..9da0e44e5 --- /dev/null +++ b/include/drawinglayer/primitive2d/patternfillprimitive2d.hxx @@ -0,0 +1,104 @@ +/* -*- 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/polygon/b2dpolypolygon.hxx> +#include <vcl/bitmapex.hxx> + + +namespace drawinglayer::primitive2d +{ + /** PatternFillPrimitive2D class + + This primitive allows filling a given tools::PolyPolygon with a pattern + defined by a sequence of primitives which are mapped to the unit range. + The pattern is defined using a reference range which defines a rectangular + area relative to the tools::PolyPolygon (in unit coordinates) which is virtually + infinitely repeated. + */ + class DRAWINGLAYER_DLLPUBLIC PatternFillPrimitive2D final : public BufferedDecompositionPrimitive2D + { + private: + const basegfx::B2DPolyPolygon maMask; + const Primitive2DContainer maChildren; + const basegfx::B2DRange maReferenceRange; + + /// values holding the discrete buffer size + sal_uInt32 mnDiscreteWidth; + sal_uInt32 mnDiscreteHeight; + + /// helper that is capable to calculate the needed discrete buffer size for + /// eventually buffered content + void calculateNeededDiscreteBufferSize( + sal_uInt32& rWidth, + sal_uInt32& rHeight, + const geometry::ViewInformation2D& rViewInformation) const; + + /// helper which creates the content - checks if clipping is needed and eventually + /// creates buffered content to speed up rendering + Primitive2DContainer createContent(const geometry::ViewInformation2D& rViewInformation) const; + + /// create local decomposition + virtual void create2DDecomposition(Primitive2DContainer& rContainer, const geometry::ViewInformation2D& rViewInformation) const override; + + public: + /// constructor + PatternFillPrimitive2D( + const basegfx::B2DPolyPolygon& rMask, + Primitive2DContainer&& rChildren, + const basegfx::B2DRange& rReferenceRange); + + /// data read access + const basegfx::B2DPolyPolygon& getMask() const { return maMask; } + const Primitive2DContainer& getChildren() const { return maChildren; } + const basegfx::B2DRange& getReferenceRange() const { return maReferenceRange; } + + /// compare operator + virtual bool operator==(const BasePrimitive2D& rPrimitive) const override; + + /// get range + virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const override; + + /// overload to react on evtl. buffered content + virtual void get2DDecomposition(Primitive2DDecompositionVisitor& rVisitor, const geometry::ViewInformation2D& rViewInformation) const override; + + /// provide unique ID + virtual sal_uInt32 getPrimitive2DID() const override; + + // XAccounting + virtual sal_Int64 estimateUsage() override; + + /// helper which creates the content - checks if clipping is needed and eventually + /// creates buffered content to speed up rendering + BitmapEx createTileImage(sal_uInt32 nWidth, sal_uInt32 nHeight) const; + + /// helper that is capable to calculate the needed discrete buffer size for + /// eventually buffered content + void getTileSize( + sal_uInt32& rWidth, + sal_uInt32& rHeight, + const geometry::ViewInformation2D& rViewInformation) const; + }; +} // end of namespace drawinglayer::primitive2d + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |