1*2d788491SAndrew Rist /************************************************************** 2cdf0e10cSrcweir * 3*2d788491SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one 4*2d788491SAndrew Rist * or more contributor license agreements. See the NOTICE file 5*2d788491SAndrew Rist * distributed with this work for additional information 6*2d788491SAndrew Rist * regarding copyright ownership. The ASF licenses this file 7*2d788491SAndrew Rist * to you under the Apache License, Version 2.0 (the 8*2d788491SAndrew Rist * "License"); you may not use this file except in compliance 9*2d788491SAndrew Rist * with the License. You may obtain a copy of the License at 10*2d788491SAndrew Rist * 11*2d788491SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0 12*2d788491SAndrew Rist * 13*2d788491SAndrew Rist * Unless required by applicable law or agreed to in writing, 14*2d788491SAndrew Rist * software distributed under the License is distributed on an 15*2d788491SAndrew Rist * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*2d788491SAndrew Rist * KIND, either express or implied. See the License for the 17*2d788491SAndrew Rist * specific language governing permissions and limitations 18*2d788491SAndrew Rist * under the License. 19*2d788491SAndrew Rist * 20*2d788491SAndrew Rist *************************************************************/ 21*2d788491SAndrew Rist 22*2d788491SAndrew Rist 23cdf0e10cSrcweir 24cdf0e10cSrcweir #ifndef _CPPCANVAS_CANVAS_HXX 25cdf0e10cSrcweir #define _CPPCANVAS_CANVAS_HXX 26cdf0e10cSrcweir 27cdf0e10cSrcweir #include <com/sun/star/uno/Reference.hxx> 28cdf0e10cSrcweir 29cdf0e10cSrcweir #include <boost/shared_ptr.hpp> 30cdf0e10cSrcweir #include <cppcanvas/font.hxx> 31cdf0e10cSrcweir #include <cppcanvas/color.hxx> 32cdf0e10cSrcweir 33cdf0e10cSrcweir namespace rtl 34cdf0e10cSrcweir { 35cdf0e10cSrcweir class OUString; 36cdf0e10cSrcweir } 37cdf0e10cSrcweir 38cdf0e10cSrcweir namespace basegfx 39cdf0e10cSrcweir { 40cdf0e10cSrcweir class B2DHomMatrix; 41cdf0e10cSrcweir class B2DPolyPolygon; 42cdf0e10cSrcweir } 43cdf0e10cSrcweir 44cdf0e10cSrcweir namespace com { namespace sun { namespace star { namespace rendering 45cdf0e10cSrcweir { 46cdf0e10cSrcweir class XCanvas; 47cdf0e10cSrcweir struct ViewState; 48cdf0e10cSrcweir } } } } 49cdf0e10cSrcweir 50cdf0e10cSrcweir 51cdf0e10cSrcweir /* Definition of BitmapCanvas */ 52cdf0e10cSrcweir 53cdf0e10cSrcweir namespace cppcanvas 54cdf0e10cSrcweir { 55cdf0e10cSrcweir class PolyPolygon; 56cdf0e10cSrcweir class Canvas; 57cdf0e10cSrcweir 58cdf0e10cSrcweir // forward declaration, since PolyPolygon also references Canvas 59cdf0e10cSrcweir typedef ::boost::shared_ptr< PolyPolygon > PolyPolygonSharedPtr; 60cdf0e10cSrcweir 61cdf0e10cSrcweir // forward declaration, since cloneCanvas() also references Canvas 62cdf0e10cSrcweir typedef ::boost::shared_ptr< Canvas > CanvasSharedPtr; 63cdf0e10cSrcweir 64cdf0e10cSrcweir /** Canvas interface 65cdf0e10cSrcweir */ 66cdf0e10cSrcweir class Canvas 67cdf0e10cSrcweir { 68cdf0e10cSrcweir public: 69cdf0e10cSrcweir enum 70cdf0e10cSrcweir { 71cdf0e10cSrcweir /** Extra pixel used when canvas anti-aliases. 72cdf0e10cSrcweir 73cdf0e10cSrcweir Enlarge the bounding box of drawing primitives by this 74cdf0e10cSrcweir amount in both dimensions, and on both sides of the 75cdf0e10cSrcweir bounds, to account for extra pixel touched outside the 76cdf0e10cSrcweir actual primitive bounding box, when the canvas 77cdf0e10cSrcweir performs anti-aliasing. 78cdf0e10cSrcweir */ 79cdf0e10cSrcweir ANTIALIASING_EXTRA_SIZE=2 80cdf0e10cSrcweir }; 81cdf0e10cSrcweir ~Canvas()82cdf0e10cSrcweir virtual ~Canvas() {} 83cdf0e10cSrcweir 84cdf0e10cSrcweir virtual void setTransformation( const ::basegfx::B2DHomMatrix& rMatrix ) = 0; 85cdf0e10cSrcweir virtual ::basegfx::B2DHomMatrix getTransformation() const = 0; 86cdf0e10cSrcweir 87cdf0e10cSrcweir virtual void setClip( const ::basegfx::B2DPolyPolygon& rClipPoly ) = 0; 88cdf0e10cSrcweir virtual void setClip() = 0; 89cdf0e10cSrcweir 90cdf0e10cSrcweir /** Get current clip 91cdf0e10cSrcweir 92cdf0e10cSrcweir @return NULL, if no clip is set, otherwise the current clip poly-polygon 93cdf0e10cSrcweir */ 94cdf0e10cSrcweir virtual ::basegfx::B2DPolyPolygon const* getClip() const = 0; 95cdf0e10cSrcweir 96cdf0e10cSrcweir virtual FontSharedPtr createFont( const ::rtl::OUString& rFontName, const double& rCellSize ) const = 0; 97cdf0e10cSrcweir 98cdf0e10cSrcweir virtual ColorSharedPtr createColor() const = 0; 99cdf0e10cSrcweir 100cdf0e10cSrcweir virtual CanvasSharedPtr clone() const = 0; 101cdf0e10cSrcweir virtual void clear() const = 0; 102cdf0e10cSrcweir 103cdf0e10cSrcweir // this should be considered private. if RTTI gets enabled 104cdf0e10cSrcweir // someday, remove that to a separate interface 105cdf0e10cSrcweir virtual ::com::sun::star::uno::Reference< 106cdf0e10cSrcweir ::com::sun::star::rendering::XCanvas > getUNOCanvas() const = 0; 107cdf0e10cSrcweir virtual ::com::sun::star::rendering::ViewState getViewState() const = 0; 108cdf0e10cSrcweir }; 109cdf0e10cSrcweir 110cdf0e10cSrcweir } 111cdf0e10cSrcweir 112cdf0e10cSrcweir #endif /* _CPPCANVAS_CANVAS_HXX */ 113