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imageio.h

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00001 /*
00002     Copyright (C) 1998 by Jorrit Tyberghein
00003 
00004     This library is free software; you can redistribute it and/or
00005     modify it under the terms of the GNU Library General Public
00006     License as published by the Free Software Foundation; either
00007     version 2 of the License, or (at your option) any later version.
00008 
00009     This library is distributed in the hope that it will be useful,
00010     but WITHOUT ANY WARRANTY; without even the implied warranty of
00011     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012     Library General Public License for more details.
00013 
00014     You should have received a copy of the GNU Library General Public
00015     License along with this library; if not, write to the Free
00016     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00017 */
00018 
00019 #ifndef __CS_IGRAPHIC_IMAGEIO_H__
00020 #define __CS_IGRAPHIC_IMAGEIO_H__
00021 
00031 #include "csutil/scf.h"
00032 #include "csutil/array.h"
00033 #include "igraphic/image.h"
00034 #include "iutil/databuff.h"
00035 
00036 SCF_VERSION (iImageIO, 1, 0, 1);
00037 
00041 #define CS_IMAGEIO_LOAD 1
00042 
00045 #define CS_IMAGEIO_SAVE 2
00046 
00048 struct csImageIOFileFormatDescription
00049 {
00051   const char *mime;
00053   const char *subtype;
00055   int cap;
00056 };
00057 
00059 typedef csArray<csImageIOFileFormatDescription const*>
00060         csImageIOFileFormatDescriptions;
00061 
00065 struct iImageIO : public iBase
00066 {
00068   typedef csImageIOFileFormatDescription FileFormatDescription;
00069 
00073   virtual const csImageIOFileFormatDescriptions& GetDescription () = 0;
00074 
00086   virtual csPtr<iImage> Load (iDataBuffer* buf, int iFormat) = 0;
00087 
00094   virtual void SetDithering (bool iEnable) = 0;
00095 
00110   virtual csPtr<iDataBuffer> Save (iImage *image, FileFormatDescription *format,
00111     const char* extraoptions = 0) = 0;
00112 
00117   virtual csPtr<iDataBuffer> Save (iImage *image, const char *mime = 0,
00118     const char* extraoptions = 0) = 0;
00119 };
00120 
00123 #endif // __CS_IGRAPHIC_IMAGEIO_H__

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