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[ #GetColorInfoListGetColorInfoList  | #GetColorListGetColorList  | #GetImageHistogramGetImageHistogram  | #GetMagickPixelPacketGetMagickPixelPacket  | #GetNumberColorsGetNumberColors  | #IsGrayImageIsGrayImage  | #IsMonochromeImageIsMonochromeImage  | #IsOpaqueImageIsOpaqueImage  | #IsPaletteImageIsPaletteImage  | #ListColorInfoListColorInfo  | #LoadColorListLoadColorList  | #QueryColorDatabaseQueryColorDatabase  | #QueryColornameQueryColorname  | #QueryMagickColorQueryMagickColor  ]
  
GetColorInfoList 
GetColorInfoList() returns any colors that match the specified pattern.
The format of the GetColorInfoList function is:
  const ColorInfo **GetColorInfoList(const char *pattern,
    unsigned long *number_colors,ExceptionInfo *exception)
A description of each parameter follows:
pattern
Specifies a pointer to a text string containing a pattern.
number_colors
This integer returns the number of colors in the list.
exception
Return any errors or warnings in this structure.
  
GetColorList 
GetColorList() returns any colors that match the specified pattern.
The format of the GetColorList function is:
  char **GetColorList(const char *pattern,unsigned long *number_colors,
    ExceptionInfo *exception)
A description of each parameter follows:
pattern
Specifies a pointer to a text string containing a pattern.
number_colors
This integer returns the number of colors in the list.
exception
Return any errors or warnings in this structure.
  
GetImageHistogram 
GetImageHistogram() returns the unique colors in an image.
The format of the GetImageHistogram method is:
  unsigned long GetImageHistogram(const Image *image,
    unsigned long *number_colors,ExceptionInfo *exception)
A description of each parameter follows.
image
The image.
file
Write a histogram of the color distribution to this file handle.
exception
Return any errors or warnings in this structure.
  
GetMagickPixelPacket 
GetMagickPixelPacket() initializes the MagickPixelPacket structure.
The format of the GetMagickPixelPacket method is:
  GetMagickPixelPacket(const Image *image,MagickPixelPacket *pixel)
A description of each parameter follows:
image
The image.
pixel
Specifies a pointer to a PixelPacket structure.
  
GetNumberColors 
GetNumberColors() returns the number of unique colors in an image.
The format of the GetNumberColors method is:
  unsigned long GetNumberColors(const Image *image,FILE *file,
    ExceptionInfo *exception)
A description of each parameter follows.
image
The image.
file
Write a histogram of the color distribution to this file handle.
exception
Return any errors or warnings in this structure.
  
IsGrayImage 
IsGrayImage() returns MagickTrue if all the pixels in the image have the same red, green, and blue intensities.
The format of the IsGrayImage method is:
  MagickBooleanType IsGrayImage(const Image *image,
    ExceptionInfo *exception)
A description of each parameter follows:
image
The image.
exception
Return any errors or warnings in this structure.
  
IsMonochromeImage 
IsMonochromeImage() returns MagickTrue if all the pixels in the image have the same red, green, and blue intensities and the intensity is either 0 or QuantumRange.
The format of the IsMonochromeImage method is:
  MagickBooleanType IsMonochromeImage(const Image *image,
    ExceptionInfo *exception)
A description of each parameter follows:
image
The image.
exception
Return any errors or warnings in this structure.
  
IsOpaqueImage 
IsOpaqueImage() returns MagickTrue if none of the pixels in the image have an opacity value other than opaque (0).
The format of the IsOpaqueImage method is:
  MagickBooleanType IsOpaqueImage(const Image *image,
    ExceptionInfo *exception)
A description of each parameter follows:
image
The image.
exception
Return any errors or warnings in this structure.
  
IsPaletteImage 
IsPaletteImage() returns MagickTrue if the image is PseudoClass and has 256 unique colors or less.
The format of the IsPaletteImage method is:
  MagickBooleanType IsPaletteImage(const Image *image,
    ExceptionInfo *exception)
A description of each parameter follows.
image
The image.
exception
Return any errors or warnings in this structure.
  
ListColorInfo 
ListColorInfo() lists color names to the specified file.  Color names are a convenience.  Rather than defining a color by its red, green, and blue intensities just use a color name such as white, blue, or yellow.
The format of the ListColorInfo method is:
  MagickBooleanType ListColorInfo(FILE *file,ExceptionInfo *exception)
A description of each parameter follows.
file
List color names to this file handle.
exception
Return any errors or warnings in this structure.
  
LoadColorList 
LoadColorList() loads one or more color configuration file which provides a mapping between color attributes and a color name.
The format of the LoadColorLists method is:
  MagickBooleanType LoadColorLists(const char *filename,
    ExceptionInfo *exception)
A description of each parameter follows:
filename
The font file name.
exception
Return any errors or warnings in this structure.
  
QueryColorDatabase 
QueryColorDatabase() returns the red, green, blue, and opacity intensities for a given color name.
The format of the QueryColorDatabase method is:
  MagickBooleanType QueryColorDatabase(const char *name,PixelPacket *color,
    ExceptionInfo *exception)
A description of each parameter follows:
name
The color name (e.g. white, blue, yellow).
color
The red, green, blue, and opacity intensities values of the named color in this structure.
exception
Return any errors or warnings in this structure.
  
QueryColorname 
QueryColorname() returns a named color for the given color intensity.  If an exact match is not found, a hex value is return instead.  For example an intensity of rgb:(0,0,0) returns black whereas rgb:(223,223,223) returns #dfdfdf.
The format of the QueryColorname method is:
  MagickBooleanType QueryColorname(const Image *image,
    const PixelPacket *color,const ComplianceType compliance,char *name,
    ExceptionInfo *exception)
A description of each parameter follows.
image
The image.
color
The color intensities.
Compliance
Adhere to this color standard: SVG, X11, or XPM.
name
Return the color name or hex value.
exception
Return any errors or warnings in this structure.
  
QueryMagickColor 
QueryMagickColor() returns the red, green, blue, and opacity intensities for a given color name.
The format of the QueryMagickColor method is:
  MagickBooleanType QueryMagickColor(const char *name,
    MagickPixelPacket *color,ExceptionInfo *exception)
A description of each parameter follows:
name
The color name (e.g. white, blue, yellow).
color
The red, green, blue, and opacity intensities values of the named color in this structure.
exception
Return any errors or warnings in this structure.
      

      
 
    

  

  

  

    
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