www.pudn.com > PtOpenGuiSourceCode.zip > quantize.h

/* 
  Methods to Reduce the Number of Unique Colors in an Image. 
*/ 
#ifndef _MAGICK_QUANTIZE_H 
#define _MAGICK_QUANTIZE_H 
 
#if defined(__cplusplus) || defined(c_plusplus) 
extern "C" { 
#endif 
 
/* 
  Define declarations. 
*/ 
#define MaxTreeDepth  8 
#define NodesInAList  1536 
 
/* 
  Typedef declarations. 
*/ 
typedef struct _QuantizeInfo 
{ 
  unsigned long 
    number_colors; 
 
  unsigned int 
    tree_depth, 
    dither; 
 
  ColorspaceType 
    colorspace; 
 
  unsigned int 
    measure_error; 
 
  unsigned long 
    signature; 
} QuantizeInfo; 
 
/* 
  Quantization utilities methods. 
*/ 
extern MagickExport DoublePixelPacket 
  GetImageDynamicThreshold(const Image *,const double,const double, 
    ExceptionInfo *); 
 
extern MagickExport QuantizeInfo 
  *CloneQuantizeInfo(const QuantizeInfo *); 
 
extern MagickExport unsigned int 
  GetImageQuantizeError(Image *), 
  MapImage(Image *,const Image *,const unsigned int), 
  MapImages(Image *,const Image *,const unsigned int), 
  OrderedDitherImage(Image *), 
  QuantizeImage(const QuantizeInfo *,Image *), 
  QuantizeImages(const QuantizeInfo *,Image *), 
  SegmentImage(Image *,const ColorspaceType,const unsigned int,const double, 
    const double); 
 
extern MagickExport void 
  CompressImageColormap(Image *), 
  DestroyQuantizeInfo(QuantizeInfo *), 
  GetQuantizeInfo(QuantizeInfo *); 
 
#if defined(__cplusplus) || defined(c_plusplus) 
} 
#endif 
 
#endif