/usr/include/crystalspace-2.0/csgfx/imagetools.h is in libcrystalspace-dev 2.0+dfsg-1build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | /*
Copyright (C) 2005 by Jorrit Tyberghein
(C) 2005 by Frank Richter
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/**\file
* Some helper functions to deal with iImage objects.
*/
/**\addtogroup gfx
* @{
*/
#ifndef __CS_CSGFX_IMAGETOOLS_H__
#define __CS_CSGFX_IMAGETOOLS_H__
#include "csextern.h"
#include "csgfx/rgbpixel.h"
#include "igraphic/image.h"
/**
* Some helper functions to deal with iImage objects.
*/
class CS_CRYSTALSPACE_EXPORT csImageTools
{
public:
/// Compute the size of an image data, in bytes.
static inline size_t ComputeDataSize (iImage* img)
{
return img->GetWidth () * img->GetHeight () * img->GetDepth () *
(((img->GetFormat () & CS_IMGFMT_MASK) == CS_IMGFMT_PALETTED8) ? 1 :
sizeof (csRGBpixel));
}
/**
* Return the closest palette index to given color.
*/
static int ClosestPaletteIndex (const csRGBpixel* Palette,
const csRGBpixel& iColor, int palEntries = 256);
};
/** @} */
#endif // __CS_CSGFX_IMAGETOOLS_H__
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