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