This source file includes following definitions.
- IdentifyUsage
- IdentifyImageCommand
#include "wand/studio.h"
#include "wand/MagickWand.h"
#include "wand/mogrify-private.h"
#include "magick/string-private.h"
static MagickBooleanType IdentifyUsage(void)
{
const char
**p;
static const char
*miscellaneous[]=
{
"-debug events display copious debugging information",
"-help print program options",
"-list type print a list of supported option arguments",
"-log format format of debugging information",
"-version print version information",
(char *) NULL
},
*operators[]=
{
"-grayscale method convert image to grayscale",
"-negate replace every pixel with its complementary color ",
(char *) NULL
},
*settings[]=
{
"-alpha option on, activate, off, deactivate, set, opaque, copy",
" transparent, extract, background, or shape",
"-antialias remove pixel-aliasing",
"-authenticate password",
" decipher image with this password",
"-channel type apply option to select image channels",
"-clip clip along the first path from the 8BIM profile",
"-clip-mask filename associate a clip mask with the image",
"-clip-path id clip along a named path from the 8BIM profile",
"-colorspace type alternate image colorspace",
"-crop geometry cut out a rectangular region of the image",
"-define format:option",
" define one or more image format options",
"-density geometry horizontal and vertical density of the image",
"-depth value image depth",
"-endian type endianness (MSB or LSB) of the image",
"-extract geometry extract area from image",
"-features distance analyze image features (e.g. contrast, correlation)",
"-format \"string\" output formatted image characteristics",
"-fuzz distance colors within this distance are considered equal",
"-gamma value of gamma correction",
"-interlace type type of image interlacing scheme",
"-interpolate method pixel color interpolation method",
"-limit type value pixel cache resource limit",
"-list type Color, Configure, Delegate, Format, Magic, Module,",
" Resource, or Type",
"-mask filename associate a mask with the image",
"-matte store matte channel if the image has one",
"-moments report image moments",
"-format \"string\" output formatted image characteristics",
"-monitor monitor progress",
"-ping efficiently determine image attributes",
"-precision value maximum number of significant digits to print",
"-quiet suppress all warning messages",
"-regard-warnings pay attention to warning messages",
"-respect-parentheses settings remain in effect until parenthesis boundary",
"-sampling-factor geometry",
" horizontal and vertical sampling factor",
"-seed value seed a new sequence of pseudo-random numbers",
"-set attribute value set an image attribute",
"-size geometry width and height of image",
"-strip strip image of all profiles and comments",
"-unique display the number of unique colors in the image",
"-units type the units of image resolution",
"-verbose print detailed information about the image",
"-virtual-pixel method",
" virtual pixel access method",
(char *) NULL
};
ListMagickVersion(stdout);
(void) printf("Usage: %s [options ...] file [ [options ...] "
"file ... ]\n",GetClientName());
(void) printf("\nImage Settings:\n");
for (p=settings; *p != (char *) NULL; p++)
(void) printf(" %s\n",*p);
(void) printf("\nImage Operators:\n");
for (p=operators; *p != (char *) NULL; p++)
(void) printf(" %s\n",*p);
(void) printf("\nMiscellaneous Options:\n");
for (p=miscellaneous; *p != (char *) NULL; p++)
(void) printf(" %s\n",*p);
(void) printf(
"\nBy default, the image format of `file' is determined by its magic\n");
(void) printf(
"number. To specify a particular image format, precede the filename\n");
(void) printf(
"with an image format name and a colon (i.e. ps:image) or specify the\n");
(void) printf(
"image type as the filename suffix (i.e. image.ps). Specify 'file' as\n");
(void) printf("'-' for standard input or output.\n");
return(MagickFalse);
}
WandExport MagickBooleanType IdentifyImageCommand(ImageInfo *image_info,
int argc,char **argv,char **metadata,ExceptionInfo *exception)
{
#define DestroyIdentify() \
{ \
DestroyImageStack(); \
for (i=0; i < (ssize_t) argc; i++) \
argv[i]=DestroyString(argv[i]); \
argv=(char **) RelinquishMagickMemory(argv); \
}
#define ThrowIdentifyException(asperity,tag,option) \
{ \
(void) ThrowMagickException(exception,GetMagickModule(),asperity,tag,"`%s'", \
option); \
DestroyIdentify(); \
return(MagickFalse); \
}
#define ThrowIdentifyInvalidArgumentException(option,argument) \
{ \
(void) ThrowMagickException(exception,GetMagickModule(),OptionError, \
"InvalidArgument","`%s': %s",option,argument); \
DestroyIdentify(); \
return(MagickFalse); \
}
const char
*format,
*option;
Image
*image;
ImageStack
image_stack[MaxImageStackDepth+1];
MagickBooleanType
fire,
pend,
respect_parenthesis;
MagickStatusType
status;
register ssize_t
i;
size_t
count;
ssize_t
j,
k;
assert(image_info != (ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
assert(exception != (ExceptionInfo *) NULL);
if (argc == 2)
{
option=argv[1];
if ((LocaleCompare("version",option+1) == 0) ||
(LocaleCompare("-version",option+1) == 0))
{
ListMagickVersion(stdout);
return(MagickTrue);
}
}
if (argc < 2)
return(IdentifyUsage());
count=0;
format=NULL;
j=1;
k=0;
NewImageStack();
option=(char *) NULL;
pend=MagickFalse;
respect_parenthesis=MagickFalse;
status=MagickTrue;
ReadCommandlLine(argc,&argv);
status=ExpandFilenames(&argc,&argv);
if (status == MagickFalse)
ThrowIdentifyException(ResourceLimitError,"MemoryAllocationFailed",
GetExceptionMessage(errno));
image_info->ping=MagickTrue;
for (i=1; i < (ssize_t) argc; i++)
{
option=argv[i];
if (LocaleCompare(option,"(") == 0)
{
FireImageStack(MagickFalse,MagickTrue,pend);
if (k == MaxImageStackDepth)
ThrowIdentifyException(OptionError,"ParenthesisNestedTooDeeply",
option);
PushImageStack();
continue;
}
if (LocaleCompare(option,")") == 0)
{
FireImageStack(MagickFalse,MagickTrue,MagickTrue);
if (k == 0)
ThrowIdentifyException(OptionError,"UnableToParseExpression",option);
PopImageStack();
continue;
}
if (IsCommandOption(option) == MagickFalse)
{
char
*filename;
Image
*images;
ImageInfo
*identify_info;
FireImageStack(MagickFalse,MagickFalse,pend);
identify_info=CloneImageInfo(image_info);
identify_info->verbose=MagickFalse;
filename=argv[i];
if ((LocaleCompare(filename,"--") == 0) && (i < (ssize_t) (argc-1)))
filename=argv[++i];
(void) SetImageOption(image_info,"filename",filename);
(void) CopyMagickString(identify_info->filename,filename,MaxTextExtent);
if (identify_info->ping != MagickFalse)
images=PingImages(identify_info,exception);
else
images=ReadImages(identify_info,exception);
identify_info=DestroyImageInfo(identify_info);
status&=(images != (Image *) NULL) &&
(exception->severity < ErrorException);
if (images == (Image *) NULL)
continue;
AppendImageStack(images);
FinalizeImageSettings(image_info,image,MagickFalse);
count=0;
for ( ; image != (Image *) NULL; image=GetNextImageInList(image))
{
if (image->scene == 0)
image->scene=count++;
if (format == (char *) NULL)
{
(void) IdentifyImage(image,stdout,image_info->verbose);
continue;
}
if (metadata != (char **) NULL)
{
char
*text;
text=InterpretImageProperties(image_info,image,format);
InheritException(exception,&image->exception);
if (text == (char *) NULL)
ThrowIdentifyException(ResourceLimitError,
"MemoryAllocationFailed",GetExceptionMessage(errno));
(void) ConcatenateString(&(*metadata),text);
text=DestroyString(text);
}
}
RemoveAllImageStack();
continue;
}
pend=image != (Image *) NULL ? MagickTrue : MagickFalse;
switch (*(option+1))
{
case 'a':
{
if (LocaleCompare("alpha",option+1) == 0)
{
ssize_t
type;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
type=ParseCommandOption(MagickAlphaOptions,MagickFalse,argv[i]);
if (type < 0)
ThrowIdentifyException(OptionError,"UnrecognizedAlphaChannelType",
argv[i]);
break;
}
if (LocaleCompare("antialias",option+1) == 0)
break;
if (LocaleCompare("authenticate",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
break;
}
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'c':
{
if (LocaleCompare("cache",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("channel",option+1) == 0)
{
ssize_t
channel;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
channel=ParseChannelOption(argv[i]);
if (channel < 0)
ThrowIdentifyException(OptionError,"UnrecognizedChannelType",
argv[i]);
break;
}
if (LocaleCompare("clip",option+1) == 0)
break;
if (LocaleCompare("clip-mask",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
break;
}
if (LocaleCompare("clip-path",option+1) == 0)
{
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
break;
}
if (LocaleCompare("colorspace",option+1) == 0)
{
ssize_t
colorspace;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
colorspace=ParseCommandOption(MagickColorspaceOptions,
MagickFalse,argv[i]);
if (colorspace < 0)
ThrowIdentifyException(OptionError,"UnrecognizedColorspace",
argv[i]);
break;
}
if (LocaleCompare("crop",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
image_info->ping=MagickFalse;
break;
}
if (LocaleCompare("concurrent",option+1) == 0)
break;
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'd':
{
if (LocaleCompare("debug",option+1) == 0)
{
ssize_t
event;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
event=ParseCommandOption(MagickLogEventOptions,MagickFalse,argv[i]);
if (event < 0)
ThrowIdentifyException(OptionError,"UnrecognizedEventType",
argv[i]);
(void) SetLogEventMask(argv[i]);
break;
}
if (LocaleCompare("define",option+1) == 0)
{
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (*option == '+')
{
const char
*define;
define=GetImageOption(image_info,argv[i]);
if (define == (const char *) NULL)
ThrowIdentifyException(OptionError,"NoSuchOption",argv[i]);
break;
}
if (LocaleNCompare("identify:locate",argv[i],15) == 0)
image_info->ping=MagickFalse;
break;
}
if (LocaleCompare("density",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("depth",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("duration",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'e':
{
if (LocaleCompare("endian",option+1) == 0)
{
ssize_t
endian;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
endian=ParseCommandOption(MagickEndianOptions,MagickFalse,
argv[i]);
if (endian < 0)
ThrowIdentifyException(OptionError,"UnrecognizedEndianType",
argv[i]);
break;
}
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'f':
{
if (LocaleCompare("features",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("format",option+1) == 0)
{
format=(char *) NULL;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
format=argv[i];
break;
}
if (LocaleCompare("fuzz",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'g':
{
if (LocaleCompare("gamma",option+1) == 0)
{
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("grayscale",option+1) == 0)
{
ssize_t
method;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
method=ParseCommandOption(MagickPixelIntensityOptions,MagickFalse,
argv[i]);
if (method < 0)
ThrowIdentifyException(OptionError,"UnrecognizedIntensityMethod",
argv[i]);
break;
}
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'h':
{
if ((LocaleCompare("help",option+1) == 0) ||
(LocaleCompare("-help",option+1) == 0))
return(IdentifyUsage());
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'i':
{
if (LocaleCompare("interlace",option+1) == 0)
{
ssize_t
interlace;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
interlace=ParseCommandOption(MagickInterlaceOptions,MagickFalse,
argv[i]);
if (interlace < 0)
ThrowIdentifyException(OptionError,
"UnrecognizedInterlaceType",argv[i]);
break;
}
if (LocaleCompare("interpolate",option+1) == 0)
{
ssize_t
interpolate;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
interpolate=ParseCommandOption(MagickInterpolateOptions,MagickFalse,
argv[i]);
if (interpolate < 0)
ThrowIdentifyException(OptionError,
"UnrecognizedInterpolateMethod",argv[i]);
break;
}
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'l':
{
if (LocaleCompare("limit",option+1) == 0)
{
char
*p;
double
value;
ssize_t
resource;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
resource=ParseCommandOption(MagickResourceOptions,MagickFalse,
argv[i]);
if (resource < 0)
ThrowIdentifyException(OptionError,"UnrecognizedResourceType",
argv[i]);
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
value=StringToDouble(argv[i],&p);
(void) value;
if ((p == argv[i]) && (LocaleCompare("unlimited",argv[i]) != 0))
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("list",option+1) == 0)
{
ssize_t
list;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
list=ParseCommandOption(MagickListOptions,MagickFalse,argv[i]);
if (list < 0)
ThrowIdentifyException(OptionError,"UnrecognizedListType",
argv[i]);
status=MogrifyImageInfo(image_info,(int) (i-j+1),(const char **)
argv+j,exception);
DestroyIdentify();
return(status == 0 ? MagickTrue : MagickFalse);
}
if (LocaleCompare("log",option+1) == 0)
{
if (*option == '+')
break;
i++;
if ((i == (ssize_t) argc) ||
(strchr(argv[i],'%') == (char *) NULL))
ThrowIdentifyException(OptionError,"MissingArgument",option);
break;
}
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'm':
{
if (LocaleCompare("mask",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
break;
}
if (LocaleCompare("matte",option+1) == 0)
break;
if (LocaleCompare("moments",option+1) == 0)
break;
if (LocaleCompare("monitor",option+1) == 0)
break;
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'n':
{
if (LocaleCompare("negate",option+1) == 0)
break;
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'p':
{
if (LocaleCompare("ping",option+1) == 0)
break;
if (LocaleCompare("precision",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'q':
{
if (LocaleCompare("quiet",option+1) == 0)
break;
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'r':
{
if (LocaleCompare("regard-warnings",option+1) == 0)
break;
if (LocaleNCompare("respect-parentheses",option+1,17) == 0)
{
respect_parenthesis=(*option == '-') ? MagickTrue : MagickFalse;
break;
}
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 's':
{
if (LocaleCompare("sampling-factor",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("seed",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("set",option+1) == 0)
{
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
break;
}
if (LocaleCompare("size",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("strip",option+1) == 0)
break;
if (LocaleCompare("support",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'u':
{
if (LocaleCompare("unique",option+1) == 0)
break;
if (LocaleCompare("units",option+1) == 0)
{
ssize_t
units;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
units=ParseCommandOption(MagickResolutionOptions,MagickFalse,
argv[i]);
if (units < 0)
ThrowIdentifyException(OptionError,"UnrecognizedUnitsType",
argv[i]);
break;
}
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'v':
{
if (LocaleCompare("verbose",option+1) == 0)
break;
if (LocaleCompare("virtual-pixel",option+1) == 0)
{
ssize_t
method;
if (*option == '+')
break;
i++;
if (i == (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
method=ParseCommandOption(MagickVirtualPixelOptions,MagickFalse,
argv[i]);
if (method < 0)
ThrowIdentifyException(OptionError,
"UnrecognizedVirtualPixelMethod",argv[i]);
break;
}
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case '?':
break;
default:
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
fire=(GetCommandOptionFlags(MagickCommandOptions,MagickFalse,option) &
FireOptionFlag) == 0 ? MagickFalse : MagickTrue;
if (fire != MagickFalse)
FireImageStack(MagickFalse,MagickTrue,MagickTrue);
}
if (k != 0)
ThrowIdentifyException(OptionError,"UnbalancedParenthesis",argv[i]);
if (i != (ssize_t) argc)
ThrowIdentifyException(OptionError,"MissingAnImageFilename",argv[i]);
DestroyIdentify();
return(status != 0 ? MagickTrue : MagickFalse);
}