106 lines
3.5 KiB
C++
106 lines
3.5 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_CPPCANVAS_CANVAS_HXX
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#define INCLUDED_CPPCANVAS_CANVAS_HXX
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#include <com/sun/star/uno/Reference.hxx>
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#include <boost/shared_ptr.hpp>
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#include <cppcanvas/font.hxx>
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#include <cppcanvas/color.hxx>
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namespace basegfx
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{
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class B2DHomMatrix;
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class B2DPolyPolygon;
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}
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namespace com { namespace sun { namespace star { namespace rendering
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{
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class XCanvas;
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struct ViewState;
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} } } }
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/* Definition of BitmapCanvas */
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namespace cppcanvas
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{
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class PolyPolygon;
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class Canvas;
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// forward declaration, since PolyPolygon also references Canvas
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typedef ::boost::shared_ptr< PolyPolygon > PolyPolygonSharedPtr;
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// forward declaration, since cloneCanvas() also references Canvas
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typedef ::boost::shared_ptr< Canvas > CanvasSharedPtr;
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/** Canvas interface
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*/
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class Canvas
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{
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public:
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enum
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{
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/** Extra pixel used when canvas anti-aliases.
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Enlarge the bounding box of drawing primitives by this
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amount in both dimensions, and on both sides of the
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bounds, to account for extra pixel touched outside the
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actual primitive bounding box, when the canvas
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performs anti-aliasing.
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*/
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ANTIALIASING_EXTRA_SIZE=2
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};
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virtual ~Canvas() {}
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virtual void setTransformation( const ::basegfx::B2DHomMatrix& rMatrix ) = 0;
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virtual ::basegfx::B2DHomMatrix getTransformation() const = 0;
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virtual void setClip( const ::basegfx::B2DPolyPolygon& rClipPoly ) = 0;
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virtual void setClip() = 0;
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/** Get current clip
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@return NULL, if no clip is set, otherwise the current clip poly-polygon
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*/
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virtual ::basegfx::B2DPolyPolygon const* getClip() const = 0;
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virtual FontSharedPtr createFont( const OUString& rFontName, const double& rCellSize ) const = 0;
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virtual ColorSharedPtr createColor() const = 0;
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virtual CanvasSharedPtr clone() const = 0;
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virtual void clear() const = 0;
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// this should be considered private. if RTTI gets enabled
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// someday, remove that to a separate interface
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virtual ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XCanvas > getUNOCanvas() const = 0;
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virtual ::com::sun::star::rendering::ViewState getViewState() const = 0;
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};
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}
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#endif // INCLUDED_CPPCANVAS_CANVAS_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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