| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef _CPPCANVAS_CANVAS_HXX |
| #define _CPPCANVAS_CANVAS_HXX |
| |
| #include <com/sun/star/uno/Reference.hxx> |
| |
| #include <boost/shared_ptr.hpp> |
| #include <cppcanvas/font.hxx> |
| #include <cppcanvas/color.hxx> |
| |
| namespace rtl |
| { |
| class OUString; |
| } |
| |
| namespace basegfx |
| { |
| class B2DHomMatrix; |
| class B2DPolyPolygon; |
| } |
| |
| namespace com { namespace sun { namespace star { namespace rendering |
| { |
| class XCanvas; |
| struct ViewState; |
| } } } } |
| |
| |
| /* Definition of BitmapCanvas */ |
| |
| namespace cppcanvas |
| { |
| class PolyPolygon; |
| class Canvas; |
| |
| // forward declaration, since PolyPolygon also references Canvas |
| typedef ::boost::shared_ptr< PolyPolygon > PolyPolygonSharedPtr; |
| |
| // forward declaration, since cloneCanvas() also references Canvas |
| typedef ::boost::shared_ptr< Canvas > CanvasSharedPtr; |
| |
| /** Canvas interface |
| */ |
| class Canvas |
| { |
| public: |
| enum |
| { |
| /** Extra pixel used when canvas anti-aliases. |
| |
| Enlarge the bounding box of drawing primitives by this |
| amount in both dimensions, and on both sides of the |
| bounds, to account for extra pixel touched outside the |
| actual primitive bounding box, when the canvas |
| performs anti-aliasing. |
| */ |
| ANTIALIASING_EXTRA_SIZE=2 |
| }; |
| |
| virtual ~Canvas() {} |
| |
| virtual void setTransformation( const ::basegfx::B2DHomMatrix& rMatrix ) = 0; |
| virtual ::basegfx::B2DHomMatrix getTransformation() const = 0; |
| |
| virtual void setClip( const ::basegfx::B2DPolyPolygon& rClipPoly ) = 0; |
| virtual void setClip() = 0; |
| |
| /** Get current clip |
| |
| @return NULL, if no clip is set, otherwise the current clip poly-polygon |
| */ |
| virtual ::basegfx::B2DPolyPolygon const* getClip() const = 0; |
| |
| virtual FontSharedPtr createFont( const ::rtl::OUString& rFontName, const double& rCellSize ) const = 0; |
| |
| virtual ColorSharedPtr createColor() const = 0; |
| |
| virtual CanvasSharedPtr clone() const = 0; |
| virtual void clear() const = 0; |
| |
| // this should be considered private. if RTTI gets enabled |
| // someday, remove that to a separate interface |
| virtual ::com::sun::star::uno::Reference< |
| ::com::sun::star::rendering::XCanvas > getUNOCanvas() const = 0; |
| virtual ::com::sun::star::rendering::ViewState getViewState() const = 0; |
| }; |
| |
| } |
| |
| #endif /* _CPPCANVAS_CANVAS_HXX */ |
