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CEGUIDirectFBTexture.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.
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20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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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
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27  ***************************************************************************/
28 #ifndef _CEGUIDirectFBTexture_h_
29 #define _CEGUIDirectFBTexture_h_
30 
31 #include "../../CEGUITexture.h"
32 #include "CEGUIDirectFBRenderer.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 Size& getSize() const;
47  const Size& getOriginalDataSize() const;
48  const Vector2& getTexelScaling() const;
49  void loadFromFile(const String& filename, const String& resourceGroup);
50  void loadFromMemory(const void* buffer, const Size& buffer_size,
51  PixelFormat pixel_format);
52  void saveToMemory(void* buffer);
53 
54 protected:
55  // friends to allow renderer to construct and destroy texture objects
57  friend Texture& DirectFBRenderer::createTexture(const String&, const String&);
60 
62  DirectFBTexture(IDirectFB& directfb);
64  DirectFBTexture(IDirectFB& directfb, const String& filename,
65  const String& resourceGroup);
67  DirectFBTexture(IDirectFB& directfb, const Size& size);
70 
75 
77  IDirectFB& d_directfb;
79  IDirectFBSurface* d_texture;
86 };
87 
88 } // End of CEGUI namespace section
89 
90 #endif // end of guard _CEGUIDirectFBTexture_h_
Size d_dataSize
original pixel of size data loaded into texture
Definition: CEGUIDirectFBTexture.h:83
~DirectFBTexture()
Destructor.
Class used as a two dimensional vector (aka a Point)
Definition: CEGUIVector.h:45
IDirectFB & d_directfb
DirectFB interface we were given when constructed.
Definition: CEGUIDirectFBTexture.h:77
PixelFormat
Enumerated type containing the supported pixel formats that can be passed to loadFromMemory.
Definition: CEGUITexture.h:58
const Vector2 & getTexelScaling() const
Returns pixel to texel scale values that should be used for converting pixel values to texture co-ord...
void loadFromFile(const String &filename, const String &resourceGroup)
Loads the specified image file into the texture. The texture is resized as required to hold the image...
Class that holds the size (width & height) of something.
Definition: CEGUISize.h:43
void updateCachedScaleValues()
updates cached scale value used to map pixels to texture co-ords.
Vector2 d_texelScaling
cached pixel to texel mapping scale values.
Definition: CEGUIDirectFBTexture.h:85
void loadFromMemory(const void *buffer, const Size &buffer_size, PixelFormat pixel_format)
Loads (copies) an image in memory into the texture. The texture is resized as required to hold the im...
Texture & createTexture()
Create a 'null' Texture object.
Abstract base class specifying the required interface for Texture objects.
Definition: CEGUITexture.h:50
const Size & getSize() const
Returns the current pixel size of the texture.
Implementation of CEGUI::Texture interface using DirectFB.
Definition: CEGUIDirectFBTexture.h:39
void saveToMemory(void *buffer)
Save / dump the content of the texture to a memory buffer. The dumped pixel format is always RGBA (4 ...
void destroyTexture(Texture &texture)
Destroy a Texture object that was previously created by calling the createTexture functions...
void cleanupDirectFBTexture()
clean up the internal texture.
const Size & getOriginalDataSize() const
Returns the original pixel size of the data loaded into the texture.
Size d_size
Size of the texture.
Definition: CEGUIDirectFBTexture.h:81
IDirectFBSurface * d_texture
surface representing the texture.
Definition: CEGUIDirectFBTexture.h:79
DirectFBTexture(IDirectFB &directfb)
Basic constructor.
String class used within the GUI system.
Definition: CEGUIString.h:57
IDirectFBSurface * getDirectFBSurface() const
Return a pointer to the IDirectFBSurface this texture represents.