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RendererModules/DirectFB/Texture.h
1 /***********************************************************************
2  filename: CEGUIDirectFBTexture.h
3  created: Tue Mar 10 2009
4  author: Paul D Turner (parts based on code by Keith Mok)
5 *************************************************************************/
6 /***************************************************************************
7  * Copyright (C) 2004 - 2009 Paul D Turner & The CEGUI Development Team
8  *
9  * Permission is hereby granted, free of charge, to any person obtaining
10  * a copy of this software and associated documentation files (the
11  * "Software"), to deal in the Software without restriction, including
12  * without limitation the rights to use, copy, modify, merge, publish,
13  * distribute, sublicense, and/or sell copies of the Software, and to
14  * permit persons to whom the Software is furnished to do so, subject to
15  * the following conditions:
16  *
17  * The above copyright notice and this permission notice shall be
18  * included in all copies or substantial portions of the Software.
19  *
20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
23  * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
24  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
25  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
26  * OTHER DEALINGS IN THE SOFTWARE.
27  ***************************************************************************/
28 #ifndef _CEGUIDirectFBTexture_h_
29 #define _CEGUIDirectFBTexture_h_
30 
31 #include "../../Texture.h"
32 #include "CEGUI/RendererModules/DirectFB/Renderer.h"
33 
34 // Start of CEGUI namespace section
35 namespace CEGUI
36 {
37 
39 class DirectFBTexture : public Texture
40 {
41 public:
43  IDirectFBSurface* getDirectFBSurface() const;
44 
45  // implement interface for Texture
46  const String& getName() const;
47  const Sizef& getSize() const;
48  const Sizef& getOriginalDataSize() const;
49  const Vector2f& getTexelScaling() const;
50  void loadFromFile(const String& filename, const String& resourceGroup);
51  void loadFromMemory(const void* buffer, const Sizef& buffer_size,
52  PixelFormat pixel_format);
53  void blitFromMemory(const void* sourceData, const Rectf& area);
54  void blitToMemory(void* targetData);
55  bool isPixelFormatSupported(const PixelFormat fmt) const;
56 
57 protected:
58  // friends to allow renderer to construct and destroy texture objects
59  friend Texture& DirectFBRenderer::createTexture(const String&);
60  friend Texture& DirectFBRenderer::createTexture(const String&, const String&, const String&);
61  friend Texture& DirectFBRenderer::createTexture(const String&, const Sizef&);
62  friend void DirectFBRenderer::destroyTexture(const String&);
63 
65  DirectFBTexture(IDirectFB& directfb, const String& name);
67  DirectFBTexture(IDirectFB& directfb, const String& name,
68  const String& filename, const String& resourceGroup);
70  DirectFBTexture(IDirectFB& directfb, const String& name, const Sizef& size);
72  ~DirectFBTexture();
73 
75  void cleanupDirectFBTexture();
77  void updateCachedScaleValues();
78 
80  IDirectFB& d_directfb;
82  IDirectFBSurface* d_texture;
84  Sizef d_size;
86  Sizef d_dataSize;
88  Vector2f d_texelScaling;
90  const String d_name;
91 };
92 
93 } // End of CEGUI namespace section
94 
95 #endif // end of guard _CEGUIDirectFBTexture_h_