1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
10  *
11  *   http://www.apache.org/licenses/LICENSE-2.0
12  *
13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
18  * under the License.
19  *
20  *************************************************************/
21 
22 
23 
24 #ifndef _CPPCANVAS_SPRITECANVAS_HXX
25 #define _CPPCANVAS_SPRITECANVAS_HXX
26 
27 #include <sal/types.h>
28 #include <osl/diagnose.h>
29 #include <basegfx/vector/b2dsize.hxx>
30 
31 #include <boost/shared_ptr.hpp>
32 
33 
34 #include <cppcanvas/bitmapcanvas.hxx>
35 #include <cppcanvas/sprite.hxx>
36 #include <cppcanvas/customsprite.hxx>
37 
38 namespace com { namespace sun { namespace star { namespace rendering
39 {
40     class  XSpriteCanvas;
41 } } } }
42 
43 
44 /* Definition of SpriteCanvas */
45 
46 namespace cppcanvas
47 {
48     class SpriteCanvas;
49 
50     // forward declaration, since cloneSpriteCanvas() also references SpriteCanvas
51     typedef ::boost::shared_ptr< ::cppcanvas::SpriteCanvas > SpriteCanvasSharedPtr;
52 
53     /** SpriteCanvas interface
54      */
55     class SpriteCanvas : public virtual BitmapCanvas
56     {
57     public:
58         virtual bool					updateScreen( bool bUpdateAll ) const = 0;
59 
60         virtual CustomSpriteSharedPtr 	createCustomSprite( const ::basegfx::B2DSize& ) const = 0;
61         virtual SpriteSharedPtr 		createClonedSprite( const SpriteSharedPtr& ) const = 0;
62 
63         // shared_ptr does not allow for covariant return types
cloneSpriteCanvas() const64         SpriteCanvasSharedPtr			cloneSpriteCanvas() const
65         {
66             SpriteCanvasSharedPtr p( ::boost::dynamic_pointer_cast< SpriteCanvas >(this->clone()) );
67             OSL_ENSURE(p.get(), "SpriteCanvas::cloneSpriteCanvas(): dynamic cast failed");
68             return p;
69         }
70 
71         virtual ::com::sun::star::uno::Reference<
72             ::com::sun::star::rendering::XSpriteCanvas > 	getUNOSpriteCanvas() const = 0;
73     };
74 
75 }
76 
77 #endif /* _CPPCANVAS_SPRITECANVAS_HXX */
78