CrystalSpace

Public API Reference

csgfx/imagetools.h

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00001 /*
00002     Copyright (C) 2005 by Jorrit Tyberghein
00003               (C) 2005 by Frank Richter
00004 
00005     This library is free software; you can redistribute it and/or
00006     modify it under the terms of the GNU Library General Public
00007     License as published by the Free Software Foundation; either
00008     version 2 of the License, or (at your option) any later version.
00009 
00010     This library is distributed in the hope that it will be useful,
00011     but WITHOUT ANY WARRANTY; without even the implied warranty of
00012     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013     Library General Public License for more details.
00014 
00015     You should have received a copy of the GNU Library General Public
00016     License along with this library; if not, write to the Free
00017     Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00018 */
00019 
00028 #ifndef __CS_CSGFX_IMAGETOOLS_H__
00029 #define __CS_CSGFX_IMAGETOOLS_H__
00030 
00031 #include "csextern.h"
00032 #include "csgfx/rgbpixel.h"
00033 #include "igraphic/image.h"
00034 
00038 class CS_CRYSTALSPACE_EXPORT csImageTools
00039 {
00040 public:
00042   static inline size_t ComputeDataSize (iImage* img) 
00043   {
00044     return img->GetWidth() * img->GetHeight() * img->GetDepth() * 
00045       (((img->GetFormat() & CS_IMGFMT_MASK) == CS_IMGFMT_PALETTED8) ? 1 : 
00046       sizeof (csRGBpixel));
00047   }
00051   static int ClosestPaletteIndex (const csRGBpixel* Palette, 
00052     const csRGBpixel& iColor, int palEntries = 256);
00053 };
00054 
00057 #endif // __CS_CSGFX_IMAGETOOLS_H__

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