/*
- Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization
+ Copyright 1999-2014 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.
See the License for the specific language governing permissions and
limitations under the License.
- MagickCore image constitute methods.
+ MagickCore image pixel methods.
*/
#ifndef _MAGICKCORE_PIXEL_H
#define _MAGICKCORE_PIXEL_H
+#include "MagickCore/colorspace.h"
+
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
-#include <MagickCore/colorspace.h>
-#include <MagickCore/constitute.h>
-
#define MaxPixelChannels 32
#undef index
+/*
+ Pixel enum declarations.
+*/
typedef enum
{
- UndefinedInterpolatePixel,
- AverageInterpolatePixel,
- BicubicInterpolatePixel,
- BilinearInterpolatePixel,
- FilterInterpolatePixel,
- IntegerInterpolatePixel,
- MeshInterpolatePixel,
- NearestNeighborInterpolatePixel,
- SplineInterpolatePixel
-} PixelInterpolateMethod;
+ UndefinedChannel = 0x0000,
+ RedChannel = 0x0001,
+ GrayChannel = 0x0001,
+ CyanChannel = 0x0001,
+ GreenChannel = 0x0002,
+ MagentaChannel = 0x0002,
+ BlueChannel = 0x0004,
+ YellowChannel = 0x0004,
+ BlackChannel = 0x0008,
+ AlphaChannel = 0x0010,
+ OpacityChannel = 0x0010,
+ IndexChannel = 0x0020, /* Color Index Table? */
+ ReadMaskChannel = 0x0040, /* Pixel is Not Readable? */
+ WriteMaskChannel = 0x0080, /* Pixel is Write Protected? */
+ MetaChannel = 0x0100, /* ???? */
+ CompositeChannels = 0x002F,
+ AllChannels = 0x7ffffff,
+ /*
+ Special purpose channel types.
+ FUTURE: are these needed any more - they are more like hacks
+ SyncChannels for example is NOT a real channel but a 'flag'
+ It really says -- "User has not defined channels"
+ Though it does have extra meaning in the "-auto-level" operator
+ */
+ TrueAlphaChannel = 0x0100, /* extract actual alpha channel from opacity */
+ RGBChannels = 0x0200, /* set alpha from grayscale mask in RGB */
+ GrayChannels = 0x0400,
+ SyncChannels = 0x20000, /* channels modified as a single unit */
+ DefaultChannels = ((AllChannels | SyncChannels) &~ AlphaChannel)
+} ChannelType; /* must correspond to PixelChannel */
typedef enum
{
RedPixelChannel = 0,
CyanPixelChannel = 0,
GrayPixelChannel = 0,
+ LPixelChannel = 0,
YPixelChannel = 0,
+ aPixelChannel = 1,
GreenPixelChannel = 1,
MagentaPixelChannel = 1,
CbPixelChannel = 1,
+ bPixelChannel = 2,
BluePixelChannel = 2,
YellowPixelChannel = 2,
CrPixelChannel = 2,
BlackPixelChannel = 3,
AlphaPixelChannel = 4,
IndexPixelChannel = 5,
- MaskPixelChannel = 6,
- MetaPixelChannel = 7,
- IntensityPixelChannel = MaxPixelChannels,
- CompositePixelChannel = MaxPixelChannels,
- SyncPixelChannel = MaxPixelChannels+1
-} PixelChannel;
+ ReadMaskPixelChannel = 6,
+ WriteMaskPixelChannel = 7,
+ MetaPixelChannel = 8,
+ IntensityPixelChannel = MaxPixelChannels, /* ???? */
+ CompositePixelChannel = MaxPixelChannels, /* ???? */
+ SyncPixelChannel = MaxPixelChannels+1 /* not a real channel */
+} PixelChannel; /* must correspond to ChannelType */
+
+typedef enum
+{
+ UndefinedPixelIntensityMethod = 0,
+ AveragePixelIntensityMethod,
+ BrightnessPixelIntensityMethod,
+ LightnessPixelIntensityMethod,
+ MSPixelIntensityMethod,
+ Rec601LumaPixelIntensityMethod,
+ Rec601LuminancePixelIntensityMethod,
+ Rec709LumaPixelIntensityMethod,
+ Rec709LuminancePixelIntensityMethod,
+ RMSPixelIntensityMethod
+} PixelIntensityMethod;
+
+typedef enum
+{
+ UndefinedInterpolatePixel,
+ AverageInterpolatePixel, /* Average 4 nearest neighbours */
+ Average9InterpolatePixel, /* Average 9 nearest neighbours */
+ Average16InterpolatePixel, /* Average 16 nearest neighbours */
+ BackgroundInterpolatePixel, /* Just return background color */
+ BilinearInterpolatePixel, /* Triangular filter interpolation */
+ BlendInterpolatePixel, /* blend of nearest 1, 2 or 4 pixels */
+ CatromInterpolatePixel, /* Catmull-Rom interpolation */
+ IntegerInterpolatePixel, /* Integer (floor) interpolation */
+ MeshInterpolatePixel, /* Triangular Mesh interpolation */
+ NearestInterpolatePixel, /* Nearest Neighbour Only */
+ SplineInterpolatePixel /* Cubic Spline (blurred) interpolation */
+ /* FilterInterpolatePixel, ** Use resize filter - (very slow) */
+} PixelInterpolateMethod;
+
+typedef enum
+{
+ UndefinedPixelMask = 0x000000,
+ ReadPixelMask = 0x000001,
+ WritePixelMask = 0x000002
+} PixelMask;
typedef enum
{
BlendPixelTrait = 0x000004
} PixelTrait;
+typedef enum
+{
+ UndefinedPixel,
+ CharPixel,
+ DoublePixel,
+ FloatPixel,
+ LongPixel,
+ LongLongPixel,
+ QuantumPixel,
+ ShortPixel
+} StorageType;
+
+/*
+ Pixel typedef declarations.
+*/
typedef struct _PixelChannelMap
{
PixelChannel
PixelTrait
traits;
- int
+ ssize_t
offset;
} PixelChannelMap;
ColorspaceType
colorspace;
- MagickBooleanType
- matte;
+ PixelTrait
+ alpha_trait;
double
fuzz;
MagickSizeType
count;
- double
+ MagickRealType
red,
green,
blue,
typedef struct _CacheView
CacheView_;
-extern MagickExport ChannelType
- SetPixelChannelMask(Image *,const ChannelType);
-
+/*
+ Pixel method declarations.
+*/
extern MagickExport MagickBooleanType
- ExportImagePixels(const Image *,const ssize_t,const ssize_t,const size_t,
+ ExportImagePixels(Image *,const ssize_t,const ssize_t,const size_t,
const size_t,const char *,const StorageType,void *,ExceptionInfo *),
ImportImagePixels(Image *,const ssize_t,const ssize_t,const size_t,
const size_t,const char *,const StorageType,const void *,ExceptionInfo *),
InterpolatePixelInfo(const Image *,const CacheView_ *,
const PixelInterpolateMethod,const double,const double,PixelInfo *,
ExceptionInfo *),
- IsFuzzyEquivalencePixel(const Image *,const Quantum *,
+ IsFuzzyEquivalencePixel(const Image *,const Quantum *,const Image *,
const Quantum *),
- IsFuzzyEquivalencePixelInfo(const PixelInfo *,const PixelInfo *);
+ IsFuzzyEquivalencePixelInfo(const PixelInfo *,const PixelInfo *),
+ SetPixelMetaChannels(Image *,const size_t,ExceptionInfo *);
+
+extern MagickExport MagickRealType
+ GetPixelIntensity(const Image *restrict,const Quantum *restrict)
+ magick_hot_spot;
extern MagickExport PixelChannelMap
*AcquirePixelChannelMap(void),
extern MagickExport PixelInfo
*ClonePixelInfo(const PixelInfo *);
+extern MagickExport MagickRealType
+ DecodePixelGamma(const MagickRealType) magick_hot_spot,
+ EncodePixelGamma(const MagickRealType) magick_hot_spot;
+
extern MagickExport void
InitializePixelChannelMap(Image *),
GetPixelInfo(const Image *,PixelInfo *),
- SetPixelChannelMapMask(Image *,const ChannelType);
+ SetPixelChannelMask(Image *,const ChannelType);
#if defined(__cplusplus) || defined(c_plusplus)
}
projects / imagemagick / blobdiff