79 lines
3 KiB
C++
79 lines
3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_MASKPRIMITIVE2D_HXX
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#define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_MASKPRIMITIVE2D_HXX
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#include <drawinglayer/drawinglayerdllapi.h>
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#include <drawinglayer/primitive2d/groupprimitive2d.hxx>
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#include <basegfx/polygon/b2dpolypolygon.hxx>
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace primitive2d
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{
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/** MaskPrimitive2D class
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This is the central masking primitive. It's a grouping
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primitive and contains a PolyPolygon which defines the visible
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area. Only visualisation parts of the Child primitive sequence
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inside of the mask PolyPolygon is defined to be visible.
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This primitive should be handled by a renderer. If it is not handled,
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it decomposes to it's Child content, and thus the visualisation would
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contaiun no clips.
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The geometrc range of this primitive is completely defined by the Mask
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PolyPolygon since by definition nothing outside of the mask is visible.
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*/
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class DRAWINGLAYER_DLLPUBLIC MaskPrimitive2D : public GroupPrimitive2D
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{
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private:
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/// the mask PolyPolygon
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basegfx::B2DPolyPolygon maMask;
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public:
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/// constructor
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MaskPrimitive2D(
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const basegfx::B2DPolyPolygon& rMask,
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const Primitive2DSequence& rChildren);
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/// data read access
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const basegfx::B2DPolyPolygon& getMask() const { return maMask; }
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/// compare operator
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virtual bool operator==(const BasePrimitive2D& rPrimitive) const;
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/// get range
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virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const;
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/// provide unique ID
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DeclPrimitive2DIDBlock()
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};
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} // end of namespace primitive2d
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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#endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_MASKPRIMITIVE2D_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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