/*
  Copyright 1999-2005 ImageMagick Studio LLC, a non-profit organization
  dedicated to making software imaging solutions freely available.
  
  You may not use this file except in compliance with the License.
  obtain a copy of the License at
  
    http://www.imagemagick.org/www/Copyright.html
  
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.

  ImageMagick image color methods.
*/
#ifndef _MAGICK_COLOR_H
#define _MAGICK_COLOR_H

#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif

#include <magick/exception.h>

typedef enum
{
  UndefinedCompliance,
  NoCompliance = 0x0000,
  SVGCompliance = 0x0001,
  X11Compliance = 0x0002,
  XPMCompliance = 0x0004,
  AllCompliance = 0x7fffffff
} ComplianceType;

typedef struct _ColorInfo
{
  char
    *path,
    *name;

  ComplianceType
    compliance;

  PixelPacket
    color;

  MagickBooleanType
    stealth;

  struct _ColorInfo
    *previous,
    *next;  /* deprecated, use GetColorInfoList() */

  unsigned long
    signature;
} ColorInfo;

typedef struct _LongPixelPacket
{
  unsigned long
    red,
    green,
    blue,
    opacity,
    index;
} LongPixelPacket;

typedef struct _MagickPixelPacket
{
  ColorspaceType
    colorspace;

  MagickBooleanType
    matte;

  double
    fuzz;

  unsigned long
    depth;

  MagickRealType
    red,
    green,
    blue,
    opacity,
    index;
} MagickPixelPacket;

extern MagickExport char
  **GetColorList(const char *,unsigned long *,ExceptionInfo *);

extern MagickExport const ColorInfo
  *GetColorInfo(const char *,ExceptionInfo *),
  **GetColorInfoList(const char *,unsigned long *,ExceptionInfo *);

extern MagickExport ColorPacket
  *GetImageHistogram(const Image *,unsigned long *,ExceptionInfo *);

extern MagickExport MagickBooleanType
  FuzzyColorCompare(const Image *,const PixelPacket *,const PixelPacket *),
  FuzzyOpacityCompare(const Image *,const PixelPacket *,const PixelPacket *),
  IsGrayImage(const Image *,ExceptionInfo *),
  IsMagickColorSimilar(const MagickPixelPacket *,const MagickPixelPacket *),
  IsMonochromeImage(const Image *,ExceptionInfo *),
  IsOpaqueImage(const Image *,ExceptionInfo *),
  IsPaletteImage(const Image *,ExceptionInfo *),
  ListColorInfo(FILE *,ExceptionInfo *),
  QueryColorDatabase(const char *,PixelPacket *,ExceptionInfo *),
  QueryColorname(const Image *,const PixelPacket *,const ComplianceType,char *,
    ExceptionInfo *),
  QueryMagickColor(const char *,MagickPixelPacket *,ExceptionInfo *);

extern MagickExport unsigned long
  GetNumberColors(const Image *,FILE *,ExceptionInfo *);

extern MagickExport void
  DestroyColorList(void),
  GetColorTuple(const MagickPixelPacket *,const MagickBooleanType,char *),
  GetMagickPixelPacket(const Image *,MagickPixelPacket *);

#if defined(__cplusplus) || defined(c_plusplus)
}
#endif

#endif
