MagickCore  6.9.6
histogram.c File Reference
Include dependency graph for histogram.c:

Data Structures

struct  _NodeInfo
 
struct  _Nodes
 
struct  _CubeInfo
 

Macros

#define MaxTreeDepth   8
 
#define NodesInAList   1536
 
#define EvaluateImageTag   " Compute image colors... "
 
#define MaximumUniqueColors   1024
 
#define HistogramImageTag   "Histogram/Image"
 
#define UniqueColorsImageTag   "UniqueColors/Image"
 

Typedefs

typedef struct _NodeInfo NodeInfo
 
typedef struct _Nodes Nodes
 
typedef struct _CubeInfo CubeInfo
 

Functions

static CubeInfoGetCubeInfo (void)
 
static NodeInfoGetNodeInfo (CubeInfo *, const size_t)
 
static void DestroyColorCube (const Image *, NodeInfo *)
 
static size_t ColorToNodeId (const Image *image, const MagickPixelPacket *pixel, size_t index)
 
static CubeInfoClassifyImageColors (const Image *image, ExceptionInfo *exception)
 
static void DefineImageHistogram (const Image *image, NodeInfo *node_info, ColorPacket **histogram)
 
static CubeInfoDestroyCubeInfo (const Image *image, CubeInfo *cube_info)
 
MagickExport ColorPacketGetImageHistogram (const Image *image, size_t *number_colors, ExceptionInfo *exception)
 
static MagickBooleanType CheckImageColors (const Image *image, ExceptionInfo *exception, size_t max_colors)
 
MagickExport MagickBooleanType IdentifyPaletteImage (const Image *image, ExceptionInfo *exception)
 
MagickExport MagickBooleanType IsHistogramImage (const Image *image, ExceptionInfo *exception)
 
MagickExport MagickBooleanType IsPaletteImage (const Image *image, ExceptionInfo *exception)
 
MagickExport MagickBooleanType MinMaxStretchImage (Image *image, const ChannelType channel, const double black_value, const double white_value)
 
static int HistogramCompare (const void *x, const void *y)
 
MagickExport size_t GetNumberColors (const Image *image, FILE *file, ExceptionInfo *exception)
 
static void UniqueColorsToImage (Image *unique_image, CacheView *unique_view, CubeInfo *cube_info, const NodeInfo *node_info, ExceptionInfo *exception)
 
MagickExport ImageUniqueImageColors (const Image *image, ExceptionInfo *exception)
 

Macro Definition Documentation

§ EvaluateImageTag

#define EvaluateImageTag   " Compute image colors... "

Referenced by ClassifyImageColors().

§ HistogramImageTag

#define HistogramImageTag   "Histogram/Image"

Referenced by GetNumberColors().

§ MaximumUniqueColors

#define MaximumUniqueColors   1024

Referenced by IsHistogramImage().

§ MaxTreeDepth

§ NodesInAList

#define NodesInAList   1536

Referenced by GetNodeInfo().

§ UniqueColorsImageTag

#define UniqueColorsImageTag   "UniqueColors/Image"

Referenced by UniqueColorsToImage().

Typedef Documentation

§ CubeInfo

typedef struct _CubeInfo CubeInfo

§ NodeInfo

typedef struct _NodeInfo NodeInfo

§ Nodes

typedef struct _Nodes Nodes

Function Documentation

§ CheckImageColors()

§ ClassifyImageColors()

§ ColorToNodeId()

static size_t ColorToNodeId ( const Image image,
const MagickPixelPacket pixel,
size_t  index 
)
inlinestatic

§ DefineImageHistogram()

static void DefineImageHistogram ( const Image image,
NodeInfo node_info,
ColorPacket **  histogram 
)
static

§ DestroyColorCube()

static void DestroyColorCube ( const Image image,
NodeInfo node_info 
)
static

§ DestroyCubeInfo()

§ GetCubeInfo()

§ GetImageHistogram()

§ GetNodeInfo()

§ GetNumberColors()

§ HistogramCompare()

static int HistogramCompare ( const void *  x,
const void *  y 
)
static

§ IdentifyPaletteImage()

§ IsHistogramImage()

§ IsPaletteImage()

§ MinMaxStretchImage()

§ UniqueColorsToImage()

§ UniqueImageColors()