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# 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__