1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir #ifndef _CPPCANVAS_CANVAS_HXX 29*cdf0e10cSrcweir #define _CPPCANVAS_CANVAS_HXX 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include <com/sun/star/uno/Reference.hxx> 32*cdf0e10cSrcweir 33*cdf0e10cSrcweir #include <boost/shared_ptr.hpp> 34*cdf0e10cSrcweir #include <cppcanvas/font.hxx> 35*cdf0e10cSrcweir #include <cppcanvas/color.hxx> 36*cdf0e10cSrcweir 37*cdf0e10cSrcweir namespace rtl 38*cdf0e10cSrcweir { 39*cdf0e10cSrcweir class OUString; 40*cdf0e10cSrcweir } 41*cdf0e10cSrcweir 42*cdf0e10cSrcweir namespace basegfx 43*cdf0e10cSrcweir { 44*cdf0e10cSrcweir class B2DHomMatrix; 45*cdf0e10cSrcweir class B2DPolyPolygon; 46*cdf0e10cSrcweir } 47*cdf0e10cSrcweir 48*cdf0e10cSrcweir namespace com { namespace sun { namespace star { namespace rendering 49*cdf0e10cSrcweir { 50*cdf0e10cSrcweir class XCanvas; 51*cdf0e10cSrcweir struct ViewState; 52*cdf0e10cSrcweir } } } } 53*cdf0e10cSrcweir 54*cdf0e10cSrcweir 55*cdf0e10cSrcweir /* Definition of BitmapCanvas */ 56*cdf0e10cSrcweir 57*cdf0e10cSrcweir namespace cppcanvas 58*cdf0e10cSrcweir { 59*cdf0e10cSrcweir class PolyPolygon; 60*cdf0e10cSrcweir class Canvas; 61*cdf0e10cSrcweir 62*cdf0e10cSrcweir // forward declaration, since PolyPolygon also references Canvas 63*cdf0e10cSrcweir typedef ::boost::shared_ptr< PolyPolygon > PolyPolygonSharedPtr; 64*cdf0e10cSrcweir 65*cdf0e10cSrcweir // forward declaration, since cloneCanvas() also references Canvas 66*cdf0e10cSrcweir typedef ::boost::shared_ptr< Canvas > CanvasSharedPtr; 67*cdf0e10cSrcweir 68*cdf0e10cSrcweir /** Canvas interface 69*cdf0e10cSrcweir */ 70*cdf0e10cSrcweir class Canvas 71*cdf0e10cSrcweir { 72*cdf0e10cSrcweir public: 73*cdf0e10cSrcweir enum 74*cdf0e10cSrcweir { 75*cdf0e10cSrcweir /** Extra pixel used when canvas anti-aliases. 76*cdf0e10cSrcweir 77*cdf0e10cSrcweir Enlarge the bounding box of drawing primitives by this 78*cdf0e10cSrcweir amount in both dimensions, and on both sides of the 79*cdf0e10cSrcweir bounds, to account for extra pixel touched outside the 80*cdf0e10cSrcweir actual primitive bounding box, when the canvas 81*cdf0e10cSrcweir performs anti-aliasing. 82*cdf0e10cSrcweir */ 83*cdf0e10cSrcweir ANTIALIASING_EXTRA_SIZE=2 84*cdf0e10cSrcweir }; 85*cdf0e10cSrcweir 86*cdf0e10cSrcweir virtual ~Canvas() {} 87*cdf0e10cSrcweir 88*cdf0e10cSrcweir virtual void setTransformation( const ::basegfx::B2DHomMatrix& rMatrix ) = 0; 89*cdf0e10cSrcweir virtual ::basegfx::B2DHomMatrix getTransformation() const = 0; 90*cdf0e10cSrcweir 91*cdf0e10cSrcweir virtual void setClip( const ::basegfx::B2DPolyPolygon& rClipPoly ) = 0; 92*cdf0e10cSrcweir virtual void setClip() = 0; 93*cdf0e10cSrcweir 94*cdf0e10cSrcweir /** Get current clip 95*cdf0e10cSrcweir 96*cdf0e10cSrcweir @return NULL, if no clip is set, otherwise the current clip poly-polygon 97*cdf0e10cSrcweir */ 98*cdf0e10cSrcweir virtual ::basegfx::B2DPolyPolygon const* getClip() const = 0; 99*cdf0e10cSrcweir 100*cdf0e10cSrcweir virtual FontSharedPtr createFont( const ::rtl::OUString& rFontName, const double& rCellSize ) const = 0; 101*cdf0e10cSrcweir 102*cdf0e10cSrcweir virtual ColorSharedPtr createColor() const = 0; 103*cdf0e10cSrcweir 104*cdf0e10cSrcweir virtual CanvasSharedPtr clone() const = 0; 105*cdf0e10cSrcweir virtual void clear() const = 0; 106*cdf0e10cSrcweir 107*cdf0e10cSrcweir // this should be considered private. if RTTI gets enabled 108*cdf0e10cSrcweir // someday, remove that to a separate interface 109*cdf0e10cSrcweir virtual ::com::sun::star::uno::Reference< 110*cdf0e10cSrcweir ::com::sun::star::rendering::XCanvas > getUNOCanvas() const = 0; 111*cdf0e10cSrcweir virtual ::com::sun::star::rendering::ViewState getViewState() const = 0; 112*cdf0e10cSrcweir }; 113*cdf0e10cSrcweir 114*cdf0e10cSrcweir } 115*cdf0e10cSrcweir 116*cdf0e10cSrcweir #endif /* _CPPCANVAS_CANVAS_HXX */ 117