color.h

/*
  Copyright 1999 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.  You may
  obtain a copy of the License at
  
    https://imagemagick.org/script/license.php
  
  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.
 
  MagickCore image color methods.
*/
#ifndef MAGICKCORE_COLOR_H
#define MAGICKCORE_COLOR_H
 
#include "magick/pixel.h"
#include "magick/exception.h"
 
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
 
typedef enum
{
  UndefinedCompliance,
  NoCompliance = 0x0000,
  CSSCompliance = 0x0001,
  SVGCompliance = 0x0001,
  X11Compliance = 0x0002,
  XPMCompliance = 0x0004,
  MVGCompliance = 0x0008,
  AllCompliance = 0x7fffffff
} ComplianceType;
 
typedef struct _ColorInfo
{
  char
    *path,
    *name;
 
  ComplianceType
    compliance;
 
  MagickPixelPacket
    color;
 
  MagickBooleanType
    exempt,
    stealth;
 
  struct _ColorInfo
    *previous,
    *next;  /* deprecated, use GetColorInfoList() */
 
  size_t
    signature;
} ColorInfo;
 
typedef struct _ErrorInfo
{
  double
    mean_error_per_pixel,
    normalized_mean_error,
    normalized_maximum_error;
} ErrorInfo;
 
extern MagickExport char
  **GetColorList(const char *,size_t *,ExceptionInfo *);
 
extern MagickExport const ColorInfo
  *GetColorInfo(const char *,ExceptionInfo *),
  **GetColorInfoList(const char *,size_t *,ExceptionInfo *);
 
extern MagickExport MagickBooleanType
  ColorComponentGenesis(void),
  IsColorSimilar(const Image *,const PixelPacket *,const PixelPacket *),
  IsImageSimilar(const Image *,const Image *,ssize_t *x,ssize_t *y,
    ExceptionInfo *),
  IsMagickColorSimilar(const MagickPixelPacket *,const MagickPixelPacket *),
  IsOpacitySimilar(const Image *,const PixelPacket *,const PixelPacket *),
  ListColorInfo(FILE *,ExceptionInfo *),
  QueryColorCompliance(const char *,const ComplianceType,PixelPacket *,
    ExceptionInfo *),
  QueryColorDatabase(const char *,PixelPacket *,ExceptionInfo *),
  QueryColorname(const Image *,const PixelPacket *,const ComplianceType,char *,
    ExceptionInfo *),
  QueryMagickColorCompliance(const char *,const ComplianceType,
    MagickPixelPacket *,ExceptionInfo *),
  QueryMagickColor(const char *,MagickPixelPacket *,ExceptionInfo *),
  QueryMagickColorname(const Image *,const MagickPixelPacket *,
    const ComplianceType,char *,ExceptionInfo *);
 
extern MagickExport void
  ColorComponentTerminus(void),
  ConcatenateColorComponent(const MagickPixelPacket *,const ChannelType,
    const ComplianceType,char *),
  GetColorTuple(const MagickPixelPacket *,const MagickBooleanType,char *);
 
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
 
#endif