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image.h
/*
Copyright @ 1999 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. You may
obtain a copy of the License at
https://imagemagick.org/license/
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
MagickCore image methods.
*/
#ifndef MAGICKCORE_IMAGE_H
#define MAGICKCORE_IMAGE_H
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#define OpaqueAlpha ((Quantum) QuantumRange)
#define TransparentAlpha ((Quantum) 0)
typedef enum
{
UndefinedType,
BilevelType,
GrayscaleType,
GrayscaleAlphaType,
PaletteType,
PaletteAlphaType,
TrueColorType,
TrueColorAlphaType,
ColorSeparationType,
ColorSeparationAlphaType,
OptimizeType,
PaletteBilevelAlphaType
} ImageType;
typedef enum
{
UndefinedInterlace,
NoInterlace,
LineInterlace,
PlaneInterlace,
PartitionInterlace,
GIFInterlace,
JPEGInterlace,
PNGInterlace
} InterlaceType;
typedef enum
{
UndefinedOrientation,
TopLeftOrientation,
TopRightOrientation,
BottomRightOrientation,
BottomLeftOrientation,
LeftTopOrientation,
RightTopOrientation,
RightBottomOrientation,
LeftBottomOrientation
} OrientationType;
typedef enum
{
UndefinedResolution,
PixelsPerInchResolution,
PixelsPerCentimeterResolution
} ResolutionType;
typedef struct _PrimaryInfo
{
double
x,
y,
z;
} PrimaryInfo;
typedef struct _SegmentInfo
{
double
x1,
y1,
x2,
y2;
} SegmentInfo;
typedef enum
{
UndefinedTransmitType,
FileTransmitType,
BlobTransmitType,
StreamTransmitType,
ImageTransmitType
} TransmitType;
typedef struct _ChromaticityInfo
{
PrimaryInfo
red_primary,
green_primary,
blue_primary,
white_point;
} ChromaticityInfo;
#include "MagickCore/blob.h"
#include "MagickCore/colorspace.h"
#include "MagickCore/cache-view.h"
#include "MagickCore/color.h"
#include "MagickCore/composite.h"
#include "MagickCore/compress.h"
#include "MagickCore/effect.h"
#include "MagickCore/geometry.h"
#include "MagickCore/layer.h"
#include "MagickCore/locale_.h"
#include "MagickCore/monitor.h"
#include "MagickCore/pixel.h"
#include "MagickCore/profile.h"
#include "MagickCore/quantum.h"
#include "MagickCore/resample.h"
#include "MagickCore/resize.h"
#include "MagickCore/semaphore.h"
#include "MagickCore/stream.h"
#include "MagickCore/timer.h"
struct _Image
{
ClassType
storage_class;
ColorspaceType
colorspace; /* colorspace of image data */
CompressionType
compression; /* compression of image when read/write */
size_t
quality; /* compression quality setting, meaning varies */
OrientationType
orientation; /* photo orientation of image */
MagickBooleanType
taint; /* has image been modified since reading */
size_t
columns, /* physical size of image */
rows,
depth, /* depth of image on read/write */
colors; /* Size of color table, or actual color count */
/* Only valid if image is not DirectClass */
PixelInfo
*colormap,
alpha_color, /* deprecated */
background_color, /* current background color attribute */
border_color, /* current bordercolor attribute */
transparent_color; /* color for 'transparent' color index in GIF */
double
gamma;
ChromaticityInfo
chromaticity;
RenderingIntent
rendering_intent;
void
*profiles;
ResolutionType
units; /* resolution/density ppi or ppc */
char
*montage,
*directory,
*geometry;
ssize_t
offset; /* ??? */
PointInfo
resolution; /* image resolution/density */
RectangleInfo
page, /* virtual canvas size and offset of image */
extract_info;
double
fuzz; /* current color fuzz attribute - move to image_info */
FilterType
filter; /* resize/distort filter to apply */
PixelIntensityMethod
intensity; /* method to generate an intensity value from a pixel */
InterlaceType
interlace;
EndianType
endian; /* raw data integer ordering on read/write */
GravityType
gravity; /* Gravity attribute for positioning in image */
CompositeOperator
compose; /* alpha composition method for layered images */
DisposeType
dispose; /* GIF animation disposal method */
size_t
scene, /* index of image in multi-image file */
delay, /* Animation delay time */
duration; /* Total animation duration sum(delay*iterations) */
ssize_t
ticks_per_second; /* units for delay time, default 100 for GIF */
size_t
iterations, /* number of interactions for GIF animations */
total_colors;
ssize_t
start_loop; /* ??? */
PixelInterpolateMethod
interpolate; /* Interpolation of color for between pixel lookups */
MagickBooleanType
black_point_compensation;
RectangleInfo
tile_offset;
ImageType
type;
MagickBooleanType
dither; /* dithering on/off */
MagickSizeType
extent; /* Size of image read from disk */
MagickBooleanType
ping; /* no image data read, just attributes */
MagickBooleanType
read_mask,
write_mask;
PixelTrait
alpha_trait; /* is transparency channel defined and active */
size_t
number_channels,
number_meta_channels,
metacontent_extent;
ChannelType
channel_mask;
PixelChannelMap
*channel_map;
void
*cache;
ErrorInfo
error;
TimerInfo
timer;
MagickProgressMonitor
progress_monitor;
void
*client_data;
Ascii85Info
*ascii85;
ProfileInfo
*generic_profile;
void
*properties, /* general settings, to save with image */
*artifacts; /* general operational/coder settings, not saved */
char
filename[MagickPathExtent], /* images input filename */
magick_filename[MagickPathExtent], /* given image filename (with read mods) */
magick[MagickPathExtent]; /* images file format (file magic) */
size_t
magick_columns, /* size of image when read/created */
magick_rows;
BlobInfo
*blob; /* image file as in-memory string of 'extent' */
time_t
timestamp;
MagickBooleanType
debug; /* debug output attribute */
ssize_t
reference_count; /* image data sharing memory management */
SemaphoreInfo
*semaphore;
struct _ImageInfo
*image_info; /* (Optional) Image belongs to this ImageInfo 'list'
* For access to 'global options' when no per-image
* attribute, prosperity, or artifact has been set.
*/
struct _Image
*list, /* Undo/Redo image processing list (for display) */
*previous, /* Image list links */
*next;
size_t
signature;
PixelInfo
matte_color; /* current mattecolor attribute */
MagickBooleanType
composite_mask;
PixelTrait
mask_trait; /* apply the clip or composite mask */
ChannelType
channels;
time_t
ttl;
};
/*
ImageInfo structure:
Stores an image list, as well as all global settings used by all images
held, -- unless overridden for that specific image. See SyncImagesettings()
which maps any global setting that always overrides specific image settings.
*/
struct _ImageInfo
{
CompressionType
compression; /* compression method when reading/saving image */
OrientationType
orientation; /* orientation setting */
MagickBooleanType
temporary, /* image file to be deleted after read "ephemeral:" */
adjoin, /* save images to separate scene files */
affirm,
antialias;
char
*size, /* image generation size */
*extract, /* crop/resize string on image read */
*page,
*scenes; /* scene numbers that is to be read in */
size_t
scene, /* starting value for image save numbering */
number_scenes, /* total number of images in list - for escapes */
depth; /* current read/save depth of images */
InterlaceType
interlace; /* interlace for image write */
EndianType
endian; /* integer endian order for raw image data */
ResolutionType
units; /* density pixels/inch or pixel/cm */
size_t
quality; /* compression quality */
char
*sampling_factor, /* Chroma subsampling ratio string */
*server_name, /* X windows server name - display/animate */
*font, /* DUP for draw_info */
*texture, /* montage/display background tile */
*density; /* DUP for image and draw_info */
double
pointsize,
fuzz; /* current color fuzz attribute */
PixelInfo
alpha_color, /* deprecated */
background_color, /* user set background color */
border_color, /* user set border color */
transparent_color; /* color for transparent index in color tables */
/* NB: fill color is only needed in draw_info! */
/* the same for undercolor (for font drawing) */
MagickBooleanType
dither, /* dither enable-disable */
monochrome; /* read/write pcl,pdf,ps,xps as monochrome image */
ColorspaceType
colorspace;
CompositeOperator
compose;
ImageType
type;
MagickBooleanType
ping, /* fast read image attributes, not image data */
verbose; /* verbose output enable/disable */
ChannelType
channel;
void
*options; /* splay tree of global options */
void
*profile;
MagickBooleanType
synchronize;
MagickProgressMonitor
progress_monitor;
void
*client_data,
*cache;
StreamHandler
stream;
FILE
*file;
void
*blob;
size_t
length;
char
magick[MagickPathExtent], /* image file format (file magick) */
unique[MagickPathExtent], /* unique temporary filename - delegates */
filename[MagickPathExtent]; /* filename when reading/writing image */
MagickBooleanType
debug;
size_t
signature;
CustomStreamInfo
*custom_stream;
PixelInfo
matte_color; /* matte (frame) color */
};
extern MagickExport ChannelType
SetImageChannelMask(Image *,const ChannelType);
extern MagickExport ExceptionType
CatchImageException(Image *);
extern MagickExport FILE
*GetImageInfoFile(const ImageInfo *);
extern MagickExport Image
*AcquireImage(const ImageInfo *,ExceptionInfo *),
*AppendImages(const Image *,const MagickBooleanType,ExceptionInfo *),
*CloneImage(const Image *,const size_t,const size_t,const MagickBooleanType,
ExceptionInfo *),
*DestroyImage(Image *),
*GetImageMask(const Image *,const PixelMask,ExceptionInfo *),
*NewMagickImage(const ImageInfo *,const size_t,const size_t,const PixelInfo *,
ExceptionInfo *),
*ReferenceImage(Image *),
*SmushImages(const Image *,const MagickBooleanType,const ssize_t,
ExceptionInfo *);
extern MagickExport ImageInfo
*AcquireImageInfo(void),
*CloneImageInfo(const ImageInfo *),
*DestroyImageInfo(ImageInfo *);
extern MagickExport MagickBooleanType
ClipImage(Image *,ExceptionInfo *),
ClipImagePath(Image *,const char *,const MagickBooleanType,ExceptionInfo *),
CopyImagePixels(Image *,const Image *,const RectangleInfo *,
const OffsetInfo *,ExceptionInfo *),
IsTaintImage(const Image *),
IsHighDynamicRangeImage(const Image *,ExceptionInfo *),
IsImageObject(const Image *),
ListMagickInfo(FILE *,ExceptionInfo *),
ModifyImage(Image **,ExceptionInfo *),
ResetImagePage(Image *,const char *),
ResetImagePixels(Image *,ExceptionInfo *),
SetImageAlpha(Image *,const Quantum,ExceptionInfo *),
SetImageBackgroundColor(Image *,ExceptionInfo *),
SetImageColor(Image *,const PixelInfo *,ExceptionInfo *),
SetImageExtent(Image *,const size_t,const size_t,ExceptionInfo *),
SetImageInfo(ImageInfo *,const unsigned int,ExceptionInfo *),
SetImageMask(Image *,const PixelMask type,const Image *,ExceptionInfo *),
SetImageRegionMask(Image *,const PixelMask type,const RectangleInfo *,
ExceptionInfo *),
SetImageStorageClass(Image *,const ClassType,ExceptionInfo *),
StripImage(Image *,ExceptionInfo *),
SyncImage(Image *,ExceptionInfo *),
SyncImageSettings(const ImageInfo *,Image *,ExceptionInfo *),
SyncImagesSettings(ImageInfo *,Image *,ExceptionInfo *);
extern MagickExport size_t
InterpretImageFilename(const ImageInfo *,Image *,const char *,int,char *,
ExceptionInfo *);
extern MagickExport ssize_t
GetImageReferenceCount(Image *);
extern MagickExport VirtualPixelMethod
GetImageVirtualPixelMethod(const Image *),
SetImageVirtualPixelMethod(Image *,const VirtualPixelMethod,ExceptionInfo *);
extern MagickExport void
AcquireNextImage(const ImageInfo *,Image *,ExceptionInfo *),
DestroyImagePixels(Image *),
DisassociateImageStream(Image *),
GetImageInfo(ImageInfo *),
SetImageInfoBlob(ImageInfo *,const void *,const size_t),
SetImageInfoFile(ImageInfo *,FILE *),
SetImageInfoCustomStream(ImageInfo *,CustomStreamInfo *);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif
SemaphoreInfo
Definition semaphore.c:61
_ChromaticityInfo
Definition image.h:103
_ImageInfo
Definition image.h:359
_Image
Definition image.h:132
_PrimaryInfo
Definition image.h:77
_SegmentInfo
Definition image.h:85