/*
- Copyright 1999-2011 ImageMagick Studio LLC, a non-profit organization
+ Copyright 1999-2012 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
#endif
#include <MagickCore/colorspace.h>
-#include <MagickCore/constitute.h>
+
+#define MaxPixelChannels 32
+#undef index
+
+typedef enum
+{
+ UndefinedChannel = 0x0000,
+ RedChannel = 0x0001,
+ GrayChannel = 0x0001,
+ CyanChannel = 0x0001,
+ GreenChannel = 0x0002,
+ MagentaChannel = 0x0002,
+ BlueChannel = 0x0004,
+ YellowChannel = 0x0004,
+ BlackChannel = 0x0008,
+ AlphaChannel = 0x0010,
+ OpacityChannel = 0x0010,
+ IndexChannel = 0x0020,
+ MaskChannel = 0x0040,
+ MetaChannel = 0x0080,
+ 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"
+ */
+ 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
{
UndefinedInterpolatePixel,
- AverageInterpolatePixel,
- BicubicInterpolatePixel,
- BilinearInterpolatePixel,
- FilterInterpolatePixel,
- IntegerInterpolatePixel,
- MeshInterpolatePixel,
- NearestNeighborInterpolatePixel,
- SplineInterpolatePixel
-} InterpolatePixelMethod;
+ 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
{
- RedPixelComponent = 0,
- CyanPixelComponent = 0,
- GrayPixelComponent = 0,
- YPixelComponent = 0,
- GreenPixelComponent = 1,
- MagentaPixelComponent = 1,
- CbPixelComponent = 1,
- BluePixelComponent = 2,
- YellowPixelComponent = 2,
- CrPixelComponent = 2,
- AlphaPixelComponent = 3,
- BlackPixelComponent = 4,
- IndexPixelComponent = 4,
- MaskPixelComponent = 5
-} PixelComponent;
+ UndefinedPixelChannel = 0,
+ 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, /* Image Write Mask */
+ MetaPixelChannel = 7, /* ??? */
+ IntensityPixelChannel = MaxPixelChannels, /* what are these ??? */
+ CompositePixelChannel = MaxPixelChannels,
+ SyncPixelChannel = MaxPixelChannels+1
+} PixelChannel; /* must correspond to ChannelType */
typedef enum
{
- UndefinedPixelTrait,
- AlphaPixelTrait,
- IgnorePixelTrait,
- UnusedPixelTrait
+ UndefinedPixelTrait = 0x000000,
+ CopyPixelTrait = 0x000001,
+ UpdatePixelTrait = 0x000002,
+ BlendPixelTrait = 0x000004
} PixelTrait;
-typedef struct _PixelComponentMap
+typedef struct _PixelChannelMap
{
- PixelComponent
- component;
+ PixelChannel
+ channel;
PixelTrait
- trait;
-} PixelComponentMap;
+ traits;
-typedef struct _DoublePixelPacket
-{
- double
- red,
- green,
- blue,
- alpha,
- black;
-} DoublePixelPacket;
-
-typedef struct _LongPixelPacket
-{
- unsigned int
- red,
- green,
- blue,
- alpha,
- black;
-} LongPixelPacket;
+ ssize_t
+ offset;
+} PixelChannelMap;
typedef struct _PixelInfo
{
ColorspaceType
colorspace;
- MagickBooleanType
- matte;
+ PixelTrait
+ alpha_trait;
double
fuzz;
size_t
depth;
+ MagickSizeType
+ count;
+
MagickRealType
red,
green,
blue,
- alpha,
black,
+ alpha,
index;
} PixelInfo;
typedef struct _PixelPacket
{
- Quantum
+ unsigned int
red,
green,
blue,
alpha,
- black,
- index;
-
- MagickSizeType
- count;
+ black;
} PixelPacket;
+typedef enum
+{
+ UndefinedPixel,
+ CharPixel,
+ DoublePixel,
+ FloatPixel,
+ LongPixel,
+ LongLongPixel,
+ QuantumPixel,
+ ShortPixel
+} StorageType;
+
typedef struct _CacheView
CacheView_;
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 *),
+ const size_t,const char *,const StorageType,const void *,ExceptionInfo *),
+ InterpolatePixelChannel(const Image *,const CacheView_ *,
+ const PixelChannel,const PixelInterpolateMethod,const double,const double,
+ double *,ExceptionInfo *),
+ InterpolatePixelChannels(const Image *,const CacheView_ *,const Image *,
+ const PixelInterpolateMethod,const double,const double,Quantum *,
+ ExceptionInfo *),
InterpolatePixelInfo(const Image *,const CacheView_ *,
- const InterpolatePixelMethod,const double,const double,PixelInfo *,
+ 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 *),
- IsFuzzyEquivalencePixelPacket(const Image *,const PixelPacket *,
- const PixelPacket *);
+ SetPixelMetaChannels(Image *,const size_t,ExceptionInfo *);
-extern MagickExport PixelComponentMap
- *AcquirePixelComponentMap(void),
- *ClonePixelComponentMap(const PixelComponentMap *),
- *DestroyPixelComponentMap(PixelComponentMap *);
+extern MagickExport PixelChannelMap
+ *AcquirePixelChannelMap(void),
+ *ClonePixelChannelMap(PixelChannelMap *),
+ *DestroyPixelChannelMap(PixelChannelMap *);
extern MagickExport PixelInfo
*ClonePixelInfo(const PixelInfo *);
extern MagickExport void
- DefinePixelComponentMap(Image *),
- GetPixelInfo(const Image *,PixelInfo *);
+ InitializePixelChannelMap(Image *),
+ GetPixelInfo(const Image *,PixelInfo *),
+ SetPixelChannelMask(Image *,const ChannelType);
#if defined(__cplusplus) || defined(c_plusplus)
}
projects / imagemagick / blobdiff