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# igraphic/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
    00030 #include "csutil/scf.h"
    00031 #include "csutil/array.h"
    00032
    00033 struct iDataBuffer;
    00034 struct iImage;
    00035
    00036
    00037 SCF_VERSION (iImageIO, 1, 0, 1);
    00038
    00042 #define CS_IMAGEIO_LOAD 1
    00043
    00046 #define CS_IMAGEIO_SAVE 2
    00047
    00049 struct csImageIOFileFormatDescription
    00050 {
    00052   const char *mime;
    00054   const char *subtype;
    00056   int cap;
    00057 };
    00058
    00060 typedef csArray<csImageIOFileFormatDescription const*>
    00061         csImageIOFileFormatDescriptions;
    00062
    00077 struct iImageIO : public virtual iBase
    00078 {
    00080   typedef csImageIOFileFormatDescription FileFormatDescription;
    00081
    00085   virtual const csImageIOFileFormatDescriptions& GetDescription () = 0;
    00086
    00098   virtual csPtr<iImage> Load (iDataBuffer* buf, int iFormat) = 0;
    00099
    00106   virtual void SetDithering (bool iEnable) = 0;
    00107
    00122   virtual csPtr<iDataBuffer> Save (iImage *image, FileFormatDescription *format,
    00123     const char* extraoptions = 0) = 0;
    00124
    00129   virtual csPtr<iDataBuffer> Save (iImage *image, const char *mime = 0,
    00130     const char* extraoptions = 0) = 0;
    00131 };
    00132
    00135 #endif // __CS_IGRAPHIC_IMAGEIO_H__