18 #ifndef _MAGICKCORE_IMAGE_PRIVATE_H 19 #define _MAGICKCORE_IMAGE_PRIVATE_H 21 #if defined(__cplusplus) || defined(c_plusplus) 25 #define IsNaN(a) ((a) != (a) ? MagickTrue : MagickFalse) 26 #define MagickPI 3.14159265358979323846264338327950288419716939937510 27 #define Magick2PI 6.28318530717958647692528676655900576839433879875020 28 #define MagickPHI 1.61803398874989484820458683436563811772030917980576 29 #define MagickPI2 1.57079632679489661923132169163975144209858469968755 30 #define MagickSQ1_2 0.70710678118654752440084436210484903928483593768847 31 #define MagickSQ2 1.41421356237309504880168872420969807856967187537695 32 #define MagickSQ2PI 2.50662827463100024161235523934010416269302368164062 33 #define MAGICK_SIZE_MAX (SIZE_MAX) 34 #define MAGICK_SSIZE_MAX (SSIZE_MAX) 35 #define MAGICK_SSIZE_MIN (-(SSIZE_MAX)-1) 36 #define UndefinedTicksPerSecond 100L 37 #define UndefinedCompressionQuality 0UL 38 #if !defined(SSIZE_MAX) 39 #define SSIZE_MAX 0x7fffffffL 82 return((
double) (
MagickPI*degrees/180.0));
87 if (
IsNaN(value) != 0)
90 return((ssize_t) SSIZE_MAX);
91 if (value < (
double) -SSIZE_MAX)
92 return((ssize_t) -SSIZE_MAX);
93 return((ssize_t) value);
103 return((
unsigned char) (((color) << 3) | ((color) >> 2)));
108 return((
unsigned char) (((color) << 2) | ((color) >> 4)));
113 return((
unsigned int) (((color) & ~0x07) >> 3));
118 return((
unsigned int) (((color) & ~0x03) >> 2));
121 #if defined(__cplusplus) || defined(c_plusplus) MagickExport const char BackgroundColor[]
Definition: image.c:106
MagickExport const char PSDensityGeometry[]
Definition: image.c:115
static unsigned char ScaleColor6to8(const unsigned int color)
Definition: image-private.h:106
#define MAGICK_SIZE_MAX
Definition: image-private.h:33
MagickExport const char DefaultTileFrame[]
Definition: image.c:108
static unsigned char ScaleColor5to8(const unsigned int color)
Definition: image-private.h:101
#define MAGICK_SSIZE_MAX
Definition: image-private.h:34
MagickExport const char DefaultTileGeometry[]
Definition: image.c:109
static size_t CastDoubleToUnsigned(const double x)
Definition: image-private.h:60
#define MagickPI
Definition: image-private.h:26
MagickExport const char LoadImageTag[]
Definition: image.c:112
float MagickRealType
Definition: magick-type.h:79
MagickExport const char ForegroundColor[]
Definition: image.c:111
#define IsNaN(a)
Definition: image-private.h:25
static unsigned int ScaleColor8to6(const unsigned char color)
Definition: image-private.h:116
static double DegreesToRadians(const double degrees)
Definition: image-private.h:80
static unsigned int ScaleColor8to5(const unsigned char color)
Definition: image-private.h:111
MagickExport const char DefaultTileLabel[]
Definition: image.c:110
#define SSIZE_MAX
Definition: image-private.h:39
MagickExport const char BorderColor[]
Definition: image.c:107
MagickExport const char SaveImageTag[]
Definition: image.c:117
static ssize_t CastDoubleToLong(const double value)
Definition: image-private.h:85
MagickExport const char LoadImagesTag[]
Definition: image.c:113
MagickExport const char MatteColor[]
Definition: image.c:114
static MagickRealType RadiansToDegrees(const MagickRealType radians)
Definition: image-private.h:96
#define MagickExport
Definition: method-attribute.h:98
MagickExport const double DefaultResolution
Definition: image.c:122
MagickExport const char PSPageGeometry[]
Definition: image.c:116
MagickExport const char SaveImagesTag[]
Definition: image.c:118