u32 MountImage(const char* path) {
if (mount_state) {
if (mount_state != IMG_RAMDRV) f_close(&mount_file);
mount_state = 0;
}
if (!path || !IdentifyImage(path)) return 0;
if (f_open(&mount_file, path, FA_READ | FA_WRITE | FA_OPEN_EXISTING) != FR_OK)
return 0;
f_lseek(&mount_file, 0);
f_sync(&mount_file);
return (mount_state = IdentifyImage(path));
}
MagickExport Image *PingImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
Image
*image;
ImageInfo
*ping_info;
assert(image_info != (ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
ping_info=CloneImageInfo(image_info);
ping_info->ping=MagickTrue;
image=ReadStream(ping_info,&PingStream,exception);
if (image != (Image *) NULL)
{
ResetTimer(&image->timer);
if (ping_info->verbose != MagickFalse)
(void) IdentifyImage(image,stdout,MagickFalse,exception);
}
ping_info=DestroyImageInfo(ping_info);
return(image);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e I N F O I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WriteINFOImage writes the pixel values as text numbers.
%
% The format of the WriteINFOImage method is:
%
% MagickBooleanType WriteINFOImage(const ImageInfo *image_info,
% Image *image)
%
% A description of each parameter follows.
%
% o image_info: the image info.
%
% o image: The image.
%
*/
static MagickBooleanType WriteINFOImage(const ImageInfo *image_info,
Image *image)
{
const char
*format;
MagickBooleanType
status;
MagickOffsetType
scene;
/*
Open output image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
status=OpenBlob(image_info,image,WriteBlobMode,&image->exception);
if (status == MagickFalse)
return(status);
scene=0;
do
{
format=GetImageOption(image_info,"format");
if (format == (char *) NULL)
{
(void) CopyMagickString(image->filename,image->magick_filename,
MaxTextExtent);
image->magick_columns=image->columns;
image->magick_rows=image->rows;
(void) IdentifyImage(image,GetBlobFileHandle(image),
image_info->verbose);
}
else
{
char
*text;
text=InterpretImageProperties(image_info,image,format);
if (text != (char *) NULL)
{
(void) WriteBlobString(image,text);
text=DestroyString(text);
}
}
if (GetNextImageInList(image) == (Image *) NULL)
break;
image=SyncNextImageInList(image);
status=SetImageProgress(image,SaveImagesTag,scene++,
GetImageListLength(image));
if (status == MagickFalse)
break;
} while (image_info->adjoin != MagickFalse);
(void) CloseBlob(image);
return(MagickTrue);
}
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;
/*
Set defaults.
*/
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(MagickFalse);
}
}
if (argc < 2)
return(IdentifyUsage());
count=0;
format=NULL;
j=1;
k=0;
NewImageStack();
option=(char *) NULL;
pend=MagickFalse;
respect_parenthesis=MagickFalse;
status=MagickTrue;
/*
Identify an image.
*/
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;
/*
Read input image.
*/
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];
if (identify_info->ping != MagickFalse)
images=PingImages(identify_info,filename,exception);
else
images=ReadImages(identify_info,filename,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);
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,exception);
continue;
}
if (metadata != (char **) NULL)
{
char
*text;
text=InterpretImageProperties(image_info,image,format,exception);
if (text == (char *) NULL)
ThrowIdentifyException(ResourceLimitError,
"MemoryAllocationFailed",GetExceptionMessage(errno));
(void) ConcatenateString(&(*metadata),text);
text=DestroyString(text);
if (LocaleCompare(format,"%n") == 0)
break;
}
}
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(MagickAlphaChannelOptions,MagickFalse,
argv[i]);
if (type < 0)
ThrowIdentifyException(OptionError,
"UnrecognizedAlphaChannelOption",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-1))
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-1))
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-1))
ThrowIdentifyException(OptionError,"MissingArgument",option);
break;
}
if (LocaleCompare("clip-path",option+1) == 0)
{
i++;
if (i == (ssize_t) (argc-1))
ThrowIdentifyException(OptionError,"MissingArgument",option);
break;
}
if (LocaleCompare("colorspace",option+1) == 0)
{
ssize_t
colorspace;
if (*option == '+')
break;
i++;
if (i == (ssize_t) (argc-1))
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-1))
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],14) == 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-1))
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-1))
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-1))
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-1))
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-1))
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-1))
ThrowIdentifyException(OptionError,"MissingArgument",option);
method=ParseCommandOption(MagickPixelIntensityOptions,MagickFalse,
argv[i]);
if (method < 0)
ThrowIdentifyException(OptionError,"UnrecognizedIntensityMethod",
argv[i]);
break;
}
if (LocaleCompare("green-primary",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (ssize_t) (argc-1))
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,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 ? MagickFalse : MagickTrue);
}
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-1))
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-1))
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-1))
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-1))
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-1))
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);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% W r i t e I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% WriteImage() writes an image or an image sequence to a file or file handle.
% If writing to a file is on disk, the name is defined by the filename member
% of the image structure. WriteImage() returns MagickFalse is there is a
% memory shortage or if the image cannot be written. Check the exception
% member of image to determine the cause for any failure.
%
% The format of the WriteImage method is:
%
% MagickBooleanType WriteImage(const ImageInfo *image_info,Image *image,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image_info: the image info.
%
% o image: the image.
%
% o exception: return any errors or warnings in this structure.
%
*/
MagickExport MagickBooleanType WriteImage(const ImageInfo *image_info,
Image *image,ExceptionInfo *exception)
{
char
filename[MaxTextExtent];
const char
*option;
const DelegateInfo
*delegate_info;
const MagickInfo
*magick_info;
ExceptionInfo
*sans_exception;
ImageInfo
*write_info;
MagickBooleanType
status,
temporary;
MagickStatusType
thread_support;
PolicyDomain
domain;
PolicyRights
rights;
/*
Determine image type from filename prefix or suffix (e.g. image.jpg).
*/
assert(image_info != (ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
assert(exception != (ExceptionInfo *) NULL);
sans_exception=AcquireExceptionInfo();
write_info=CloneImageInfo(image_info);
(void) CopyMagickString(write_info->filename,image->filename,MaxTextExtent);
if (*write_info->magick == '\0')
(void) CopyMagickString(write_info->magick,image->magick,MaxTextExtent);
(void) SetImageInfo(write_info,1,sans_exception);
if (LocaleCompare(write_info->magick,"clipmask") == 0)
{
if (image->clip_mask == (Image *) NULL)
{
(void) ThrowMagickException(exception,GetMagickModule(),
OptionError,"NoClipPathDefined","`%s'",image->filename);
return(MagickFalse);
}
image=image->clip_mask;
(void) SetImageInfo(write_info,1,sans_exception);
}
(void) CopyMagickString(filename,image->filename,MaxTextExtent);
(void) CopyMagickString(image->filename,write_info->filename,MaxTextExtent);
domain=CoderPolicyDomain;
rights=WritePolicyRights;
if (IsRightsAuthorized(domain,rights,write_info->magick) == MagickFalse)
{
sans_exception=DestroyExceptionInfo(sans_exception);
errno=EPERM;
ThrowBinaryException(PolicyError,"NotAuthorized",filename);
}
magick_info=GetMagickInfo(write_info->magick,sans_exception);
sans_exception=DestroyExceptionInfo(sans_exception);
if (magick_info != (const MagickInfo *) NULL)
{
if (GetMagickEndianSupport(magick_info) == MagickFalse)
image->endian=UndefinedEndian;
else
if ((image_info->endian == UndefinedEndian) &&
(GetMagickRawSupport(magick_info) != MagickFalse))
{
size_t
lsb_first;
lsb_first=1;
image->endian=(*(char *) &lsb_first) == 1 ? LSBEndian : MSBEndian;
}
}
(void) SyncImageProfiles(image);
option=GetImageOption(image_info,"delegate:bimodal");
if ((option != (const char *) NULL) &&
(IsMagickTrue(option) != MagickFalse) &&
(write_info->page == (char *) NULL) &&
(GetPreviousImageInList(image) == (Image *) NULL) &&
(GetNextImageInList(image) == (Image *) NULL) &&
(IsTaintImage(image) == MagickFalse))
{
delegate_info=GetDelegateInfo(image->magick,write_info->magick,exception);
if ((delegate_info != (const DelegateInfo *) NULL) &&
(GetDelegateMode(delegate_info) == 0) &&
(IsPathAccessible(image->magick_filename) != MagickFalse))
{
/*
Process image with bi-modal delegate.
*/
(void) CopyMagickString(image->filename,image->magick_filename,
MaxTextExtent);
status=InvokeDelegate(write_info,image,image->magick,
write_info->magick,exception);
write_info=DestroyImageInfo(write_info);
(void) CopyMagickString(image->filename,filename,MaxTextExtent);
return(status);
}
}
status=MagickFalse;
temporary=MagickFalse;
if ((magick_info != (const MagickInfo *) NULL) &&
(GetMagickSeekableStream(magick_info) != MagickFalse))
{
char
filename[MaxTextExtent];
(void) CopyMagickString(filename,image->filename,MaxTextExtent);
status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception);
(void) CopyMagickString(image->filename,filename,MaxTextExtent);
if (status != MagickFalse)
{
if (IsBlobSeekable(image) == MagickFalse)
{
/*
A seekable stream is required by the encoder.
*/
write_info->adjoin=MagickTrue;
(void) CopyMagickString(write_info->filename,image->filename,
MaxTextExtent);
(void) AcquireUniqueFilename(image->filename);
temporary=MagickTrue;
}
(void) CloseBlob(image);
}
}
if (constitute_semaphore == (SemaphoreInfo *) NULL)
AcquireSemaphoreInfo(&constitute_semaphore);
if ((magick_info != (const MagickInfo *) NULL) &&
(GetImageEncoder(magick_info) != (EncodeImageHandler *) NULL))
{
/*
Call appropriate image writer based on image type.
*/
thread_support=GetMagickThreadSupport(magick_info);
if ((thread_support & EncoderThreadSupport) == 0)
LockSemaphoreInfo(constitute_semaphore);
status=GetImageEncoder(magick_info)(write_info,image,exception);
if ((thread_support & EncoderThreadSupport) == 0)
UnlockSemaphoreInfo(constitute_semaphore);
}
else
{
delegate_info=GetDelegateInfo((char *) NULL,write_info->magick,exception);
if (delegate_info != (DelegateInfo *) NULL)
{
/*
Process the image with delegate.
*/
*write_info->filename='\0';
if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
LockSemaphoreInfo(constitute_semaphore);
status=InvokeDelegate(write_info,image,(char *) NULL,
write_info->magick,exception);
if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
UnlockSemaphoreInfo(constitute_semaphore);
(void) CopyMagickString(image->filename,filename,MaxTextExtent);
}
else
{
sans_exception=AcquireExceptionInfo();
magick_info=GetMagickInfo(write_info->magick,sans_exception);
sans_exception=DestroyExceptionInfo(sans_exception);
if ((write_info->affirm == MagickFalse) &&
(magick_info == (const MagickInfo *) NULL))
{
(void) CopyMagickString(write_info->magick,image->magick,
MaxTextExtent);
magick_info=GetMagickInfo(write_info->magick,exception);
}
if ((magick_info == (const MagickInfo *) NULL) ||
(GetImageEncoder(magick_info) == (EncodeImageHandler *) NULL))
{
char
extension[MaxTextExtent];
GetPathComponent(image->filename,ExtensionPath,extension);
if (*extension != '\0')
magick_info=GetMagickInfo(extension,exception);
else
magick_info=GetMagickInfo(image->magick,exception);
(void) CopyMagickString(image->filename,filename,MaxTextExtent);
}
if ((magick_info == (const MagickInfo *) NULL) ||
(GetImageEncoder(magick_info) == (EncodeImageHandler *) NULL))
(void) ThrowMagickException(exception,GetMagickModule(),
MissingDelegateError,"NoEncodeDelegateForThisImageFormat","`%s'",
image->filename);
else
{
/*
Call appropriate image writer based on image type.
*/
thread_support=GetMagickThreadSupport(magick_info);
if ((thread_support & EncoderThreadSupport) == 0)
LockSemaphoreInfo(constitute_semaphore);
status=GetImageEncoder(magick_info)(write_info,image,exception);
if ((thread_support & EncoderThreadSupport) == 0)
UnlockSemaphoreInfo(constitute_semaphore);
}
}
}
if (GetBlobError(image) != MagickFalse)
ThrowFileException(exception,FileOpenError,
"AnErrorHasOccurredWritingToFile",image->filename);
if (temporary == MagickTrue)
{
/*
Copy temporary image file to permanent.
*/
status=OpenBlob(write_info,image,ReadBinaryBlobMode,exception);
if (status != MagickFalse)
status=ImageToFile(image,write_info->filename,exception);
(void) CloseBlob(image);
(void) RelinquishUniqueFileResource(image->filename);
(void) CopyMagickString(image->filename,write_info->filename,
MaxTextExtent);
}
if ((LocaleCompare(write_info->magick,"info") != 0) &&
(write_info->verbose != MagickFalse))
(void) IdentifyImage(image,stdout,MagickFalse,exception);
write_info=DestroyImageInfo(write_info);
return(status);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadImage() reads an image or image sequence from a file or file handle.
% The method returns a NULL if there is a memory shortage or if the image
% cannot be read. On failure, a NULL image is returned and exception
% describes the reason for the failure.
%
% The format of the ReadImage method is:
%
% Image *ReadImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image_info: Read the image defined by the file or filename members of
% this structure.
%
% o exception: return any errors or warnings in this structure.
%
*/
MagickExport Image *ReadImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
char
filename[MaxTextExtent],
magick[MaxTextExtent],
magick_filename[MaxTextExtent];
const char
*value;
const DelegateInfo
*delegate_info;
const MagickInfo
*magick_info;
ExceptionInfo
*sans_exception;
GeometryInfo
geometry_info;
Image
*image,
*next;
ImageInfo
*read_info;
MagickStatusType
flags,
thread_support;
PolicyDomain
domain;
PolicyRights
rights;
/*
Determine image type from filename prefix or suffix (e.g. image.jpg).
*/
assert(image_info != (ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
assert(image_info->filename != (char *) NULL);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
read_info=CloneImageInfo(image_info);
(void) CopyMagickString(magick_filename,read_info->filename,MaxTextExtent);
(void) SetImageInfo(read_info,0,exception);
(void) CopyMagickString(filename,read_info->filename,MaxTextExtent);
(void) CopyMagickString(magick,read_info->magick,MaxTextExtent);
domain=CoderPolicyDomain;
rights=ReadPolicyRights;
if (IsRightsAuthorized(domain,rights,read_info->magick) == MagickFalse)
{
errno=EPERM;
(void) ThrowMagickException(exception,GetMagickModule(),PolicyError,
"NotAuthorized","`%s'",read_info->filename);
return((Image *) NULL);
}
/*
Call appropriate image reader based on image type.
*/
sans_exception=AcquireExceptionInfo();
magick_info=GetMagickInfo(read_info->magick,sans_exception);
sans_exception=DestroyExceptionInfo(sans_exception);
if (magick_info != (const MagickInfo *) NULL)
{
if (GetMagickEndianSupport(magick_info) == MagickFalse)
read_info->endian=UndefinedEndian;
else
if ((image_info->endian == UndefinedEndian) &&
(GetMagickRawSupport(magick_info) != MagickFalse))
{
size_t
lsb_first;
lsb_first=1;
read_info->endian=(*(char *) &lsb_first) == 1 ? LSBEndian :
MSBEndian;
}
}
if ((magick_info != (const MagickInfo *) NULL) &&
(GetMagickSeekableStream(magick_info) != MagickFalse))
{
MagickBooleanType
status;
image=AcquireImage(read_info,exception);
(void) CopyMagickString(image->filename,read_info->filename,
MaxTextExtent);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
read_info=DestroyImageInfo(read_info);
image=DestroyImage(image);
return((Image *) NULL);
}
if (IsBlobSeekable(image) == MagickFalse)
{
/*
Coder requires a seekable stream.
*/
*read_info->filename='\0';
status=ImageToFile(image,read_info->filename,exception);
if (status == MagickFalse)
{
(void) CloseBlob(image);
read_info=DestroyImageInfo(read_info);
image=DestroyImage(image);
return((Image *) NULL);
}
read_info->temporary=MagickTrue;
}
(void) CloseBlob(image);
image=DestroyImage(image);
}
image=NewImageList();
if (constitute_semaphore == (SemaphoreInfo *) NULL)
AcquireSemaphoreInfo(&constitute_semaphore);
if ((magick_info != (const MagickInfo *) NULL) &&
(GetImageDecoder(magick_info) != (DecodeImageHandler *) NULL))
{
thread_support=GetMagickThreadSupport(magick_info);
if ((thread_support & DecoderThreadSupport) == 0)
LockSemaphoreInfo(constitute_semaphore);
image=GetImageDecoder(magick_info)(read_info,exception);
if ((thread_support & DecoderThreadSupport) == 0)
UnlockSemaphoreInfo(constitute_semaphore);
}
else
{
delegate_info=GetDelegateInfo(read_info->magick,(char *) NULL,exception);
if (delegate_info == (const DelegateInfo *) NULL)
{
(void) ThrowMagickException(exception,GetMagickModule(),
MissingDelegateError,"NoDecodeDelegateForThisImageFormat","`%s'",
read_info->filename);
if (read_info->temporary != MagickFalse)
(void) RelinquishUniqueFileResource(read_info->filename);
read_info=DestroyImageInfo(read_info);
return((Image *) NULL);
}
/*
Let our decoding delegate process the image.
*/
image=AcquireImage(read_info,exception);
if (image == (Image *) NULL)
{
read_info=DestroyImageInfo(read_info);
return((Image *) NULL);
}
(void) CopyMagickString(image->filename,read_info->filename,
MaxTextExtent);
*read_info->filename='\0';
if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
LockSemaphoreInfo(constitute_semaphore);
(void) InvokeDelegate(read_info,image,read_info->magick,(char *) NULL,
exception);
if (GetDelegateThreadSupport(delegate_info) == MagickFalse)
UnlockSemaphoreInfo(constitute_semaphore);
image=DestroyImageList(image);
read_info->temporary=MagickTrue;
(void) SetImageInfo(read_info,0,exception);
magick_info=GetMagickInfo(read_info->magick,exception);
if ((magick_info == (const MagickInfo *) NULL) ||
(GetImageDecoder(magick_info) == (DecodeImageHandler *) NULL))
{
if (IsPathAccessible(read_info->filename) != MagickFalse)
(void) ThrowMagickException(exception,GetMagickModule(),
MissingDelegateError,"NoDecodeDelegateForThisImageFormat","`%s'",
read_info->filename);
else
ThrowFileException(exception,FileOpenError,"UnableToOpenFile",
read_info->filename);
read_info=DestroyImageInfo(read_info);
return((Image *) NULL);
}
thread_support=GetMagickThreadSupport(magick_info);
if ((thread_support & DecoderThreadSupport) == 0)
LockSemaphoreInfo(constitute_semaphore);
image=(Image *) (GetImageDecoder(magick_info))(read_info,exception);
if ((thread_support & DecoderThreadSupport) == 0)
UnlockSemaphoreInfo(constitute_semaphore);
}
if (read_info->temporary != MagickFalse)
{
(void) RelinquishUniqueFileResource(read_info->filename);
read_info->temporary=MagickFalse;
if (image != (Image *) NULL)
(void) CopyMagickString(image->filename,filename,MaxTextExtent);
}
if (image == (Image *) NULL)
{
read_info=DestroyImageInfo(read_info);
return(image);
}
if (exception->severity >= ErrorException)
(void) LogMagickEvent(ExceptionEvent,GetMagickModule(),
"Coder (%s) generated an image despite an error (%d), "
"notify the developers",image->magick,exception->severity);
if (IsBlobTemporary(image) != MagickFalse)
(void) RelinquishUniqueFileResource(read_info->filename);
if ((GetNextImageInList(image) != (Image *) NULL) &&
(IsSceneGeometry(read_info->scenes,MagickFalse) != MagickFalse))
{
Image
*clones;
clones=CloneImages(image,read_info->scenes,exception);
if (clones == (Image *) NULL)
(void) ThrowMagickException(exception,GetMagickModule(),OptionError,
"SubimageSpecificationReturnsNoImages","`%s'",read_info->filename);
else
{
image=DestroyImageList(image);
image=GetFirstImageInList(clones);
}
}
if (GetBlobError(image) != MagickFalse)
{
ThrowFileException(exception,FileOpenError,
"AnErrorHasOccurredReadingFromFile",read_info->filename);
image=DestroyImageList(image);
read_info=DestroyImageInfo(read_info);
return((Image *) NULL);
}
for (next=image; next != (Image *) NULL; next=GetNextImageInList(next))
{
char
magick_path[MaxTextExtent],
*property,
timestamp[MaxTextExtent];
const char
*option;
const StringInfo
*profile;
next->taint=MagickFalse;
GetPathComponent(magick_filename,MagickPath,magick_path);
if (*magick_path == '\0')
(void) CopyMagickString(next->magick,magick,MaxTextExtent);
(void) CopyMagickString(next->magick_filename,magick_filename,
MaxTextExtent);
if (IsBlobTemporary(image) != MagickFalse)
(void) CopyMagickString(next->filename,filename,MaxTextExtent);
if (next->magick_columns == 0)
next->magick_columns=next->columns;
if (next->magick_rows == 0)
next->magick_rows=next->rows;
value=GetImageProperty(next,"tiff:Orientation",exception);
if (value == (char *) NULL)
value=GetImageProperty(next,"exif:Orientation",exception);
if (value != (char *) NULL)
{
next->orientation=(OrientationType) StringToLong(value);
(void) DeleteImageProperty(next,"tiff:Orientation");
(void) DeleteImageProperty(next,"exif:Orientation");
}
value=GetImageProperty(next,"exif:XResolution",exception);
if (value != (char *) NULL)
{
geometry_info.rho=next->resolution.x;
geometry_info.sigma=1.0;
flags=ParseGeometry(value,&geometry_info);
if (geometry_info.sigma != 0)
next->resolution.x=geometry_info.rho/geometry_info.sigma;
(void) DeleteImageProperty(next,"exif:XResolution");
}
value=GetImageProperty(next,"exif:YResolution",exception);
if (value != (char *) NULL)
{
geometry_info.rho=next->resolution.y;
geometry_info.sigma=1.0;
flags=ParseGeometry(value,&geometry_info);
if (geometry_info.sigma != 0)
next->resolution.y=geometry_info.rho/geometry_info.sigma;
(void) DeleteImageProperty(next,"exif:YResolution");
}
value=GetImageProperty(next,"tiff:ResolutionUnit",exception);
if (value == (char *) NULL)
value=GetImageProperty(next,"exif:ResolutionUnit",exception);
if (value != (char *) NULL)
{
next->units=(ResolutionType) (StringToLong(value)-1);
(void) DeleteImageProperty(next,"exif:ResolutionUnit");
(void) DeleteImageProperty(next,"tiff:ResolutionUnit");
}
if (next->page.width == 0)
next->page.width=next->columns;
if (next->page.height == 0)
next->page.height=next->rows;
option=GetImageOption(read_info,"caption");
if (option != (const char *) NULL)
{
property=InterpretImageProperties(read_info,next,option,exception);
(void) SetImageProperty(next,"caption",property,exception);
property=DestroyString(property);
}
option=GetImageOption(read_info,"comment");
if (option != (const char *) NULL)
{
property=InterpretImageProperties(read_info,next,option,exception);
(void) SetImageProperty(next,"comment",property,exception);
property=DestroyString(property);
}
option=GetImageOption(read_info,"label");
if (option != (const char *) NULL)
{
property=InterpretImageProperties(read_info,next,option,exception);
(void) SetImageProperty(next,"label",property,exception);
property=DestroyString(property);
}
if (LocaleCompare(next->magick,"TEXT") == 0)
(void) ParseAbsoluteGeometry("0x0+0+0",&next->page);
if ((read_info->extract != (char *) NULL) &&
(read_info->stream == (StreamHandler) NULL))
{
RectangleInfo
geometry;
flags=ParseAbsoluteGeometry(read_info->extract,&geometry);
if ((next->columns != geometry.width) ||
(next->rows != geometry.height))
{
if (((flags & XValue) != 0) || ((flags & YValue) != 0))
{
Image
*crop_image;
crop_image=CropImage(next,&geometry,exception);
if (crop_image != (Image *) NULL)
ReplaceImageInList(&next,crop_image);
}
else
if (((flags & WidthValue) != 0) || ((flags & HeightValue) != 0))
{
Image
*size_image;
flags=ParseRegionGeometry(next,read_info->extract,&geometry,
exception);
size_image=ResizeImage(next,geometry.width,geometry.height,
next->filter,next->blur,exception);
if (size_image != (Image *) NULL)
ReplaceImageInList(&next,size_image);
}
}
}
profile=GetImageProfile(next,"icc");
if (profile == (const StringInfo *) NULL)
profile=GetImageProfile(next,"icm");
profile=GetImageProfile(next,"iptc");
if (profile == (const StringInfo *) NULL)
profile=GetImageProfile(next,"8bim");
(void) FormatMagickTime(GetBlobProperties(next)->st_mtime,MaxTextExtent,
timestamp);
(void) SetImageProperty(next,"date:modify",timestamp,exception);
(void) FormatMagickTime(GetBlobProperties(next)->st_ctime,MaxTextExtent,
timestamp);
(void) SetImageProperty(next,"date:create",timestamp,exception);
option=GetImageOption(image_info,"delay");
if (option != (const char *) NULL)
{
GeometryInfo
geometry_info;
flags=ParseGeometry(option,&geometry_info);
if ((flags & GreaterValue) != 0)
{
if (next->delay > (size_t) floor(geometry_info.rho+0.5))
next->delay=(size_t) floor(geometry_info.rho+0.5);
}
else
if ((flags & LessValue) != 0)
{
if (next->delay < (size_t) floor(geometry_info.rho+0.5))
next->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
}
else
next->delay=(size_t) floor(geometry_info.rho+0.5);
if ((flags & SigmaValue) != 0)
next->ticks_per_second=(ssize_t) floor(geometry_info.sigma+0.5);
}
option=GetImageOption(image_info,"dispose");
if (option != (const char *) NULL)
next->dispose=(DisposeType) ParseCommandOption(MagickDisposeOptions,
MagickFalse,option);
if (read_info->verbose != MagickFalse)
(void) IdentifyImage(next,stderr,MagickFalse,exception);
image=next;
}
read_info=DestroyImageInfo(read_info);
return(GetFirstImageInList(image));
}
WandExport MagickBooleanType IdentifyImageCommand(ImageInfo *image_info,
int argc,char **argv,char **metadata,ExceptionInfo *exception)
{
#define DestroyIdentify() \
{ \
for ( ; k >= 0; k--) \
image_stack[k]=DestroyImageList(image_stack[k]); \
for (i=0; i < (long) argc; i++) \
argv[i]=DestroyString(argv[i]); \
argv=(char **) RelinquishMagickMemory(argv); \
}
#define ThrowIdentifyException(asperity,tag,option) \
{ \
if (exception->severity == UndefinedException) \
(void) ThrowMagickException(exception,GetMagickModule(),asperity,tag, \
"`%s'",option); \
DestroyIdentify(); \
return(MagickFalse); \
}
#define ThrowIdentifyInvalidArgumentException(option,argument) \
{ \
(void) ThrowMagickException(exception,GetMagickModule(),OptionError, \
"InvalidArgument","`%s': %s",argument,option); \
DestroyIdentify(); \
return(MagickFalse); \
}
const char
*format,
*option;
Image
*image_stack[MaxImageStackDepth+1];
long
j,
k;
MagickBooleanType
fire,
pend;
MagickStatusType
status;
register long
i;
unsigned long
count;
/*
Set defaults.
*/
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)
IdentifyUsage();
count=0;
format=NULL;
j=1;
k=0;
image_stack[k]=NewImageList();
option=(char *) NULL;
pend=MagickFalse;
status=MagickTrue;
/*
Identify an image.
*/
ReadCommandlLine(argc,&argv);
status=ExpandFilenames(&argc,&argv);
if (status == MagickFalse)
{
char
*message;
message=GetExceptionMessage(errno);
ThrowIdentifyException(ResourceLimitError,"MemoryAllocationFailed",
message);
message=DestroyString(message);
}
for (i=1; i < (long) argc; i++)
{
option=argv[i];
if (LocaleCompare(option,"(") == 0)
{
if (k == MaxImageStackDepth)
ThrowIdentifyException(OptionError,"ParenthesisNestedTooDeeply",
option);
MogrifyImageStack(image_stack[k],MagickTrue,pend);
k++;
image_stack[k]=NewImageList();
continue;
}
if (LocaleCompare(option,")") == 0)
{
if (k == 0)
ThrowIdentifyException(OptionError,"UnableToParseExpression",option);
if (image_stack[k] != (Image *) NULL)
{
MogrifyImageStack(image_stack[k],MagickTrue,MagickTrue);
AppendImageToList(&image_stack[k-1],image_stack[k]);
}
k--;
continue;
}
if (IsMagickOption(option) == MagickFalse)
{
char
*filename;
Image
*image;
ImageInfo
*identify_info;
/*
Read input image.
*/
MogrifyImageStack(image_stack[k],MagickFalse,pend);
identify_info=CloneImageInfo(image_info);
identify_info->verbose=MagickFalse;
filename=argv[i];
if ((LocaleCompare(filename,"--") == 0) && (i < (argc-1)))
filename=argv[++i];
(void) CopyMagickString(identify_info->filename,filename,MaxTextExtent);
if (identify_info->ping == MagickFalse)
image=ReadImage(identify_info,exception);
else
image=PingImage(identify_info,exception);
identify_info=DestroyImageInfo(identify_info);
status&=(image != (Image *) NULL) &&
(exception->severity < ErrorException);
if (image == (Image *) NULL)
continue;
AppendImageToList(&image_stack[k],image);
MogrifyImageStack(image_stack[k],MagickFalse,MagickTrue);
image=image_stack[k];
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);
if (text == (char *) NULL)
{
char
*message;
message=GetExceptionMessage(errno);
ThrowIdentifyException(ResourceLimitError,
"MemoryAllocationFailed",message);
message=DestroyString(message);
}
(void) ConcatenateString(&(*metadata),text);
text=DestroyString(text);
if (LocaleCompare(format,"%n") == 0)
break;
}
}
image_stack[k]=DestroyImageList(image_stack[k]);
continue;
}
pend=image_stack[k] != (Image *) NULL ? MagickTrue : MagickFalse;
switch (*(option+1))
{
case 'a':
{
if (LocaleCompare("alpha",option+1) == 0)
{
long
type;
if (*option == '+')
break;
i++;
if (i == (long) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
type=ParseMagickOption(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 == (long) (argc-1))
ThrowIdentifyException(OptionError,"MissingArgument",option);
break;
}
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'c':
{
if (LocaleCompare("cache",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (long) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("channel",option+1) == 0)
{
long
channel;
if (*option == '+')
break;
i++;
if (i == (long) (argc-1))
ThrowIdentifyException(OptionError,"MissingArgument",option);
channel=ParseChannelOption(argv[i]);
if (channel < 0)
ThrowIdentifyException(OptionError,"UnrecognizedChannelType",
argv[i]);
break;
}
if (LocaleCompare("colorspace",option+1) == 0)
{
long
colorspace;
if (*option == '+')
break;
i++;
if (i == (long) (argc-1))
ThrowIdentifyException(OptionError,"MissingArgument",option);
colorspace=ParseMagickOption(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 == (long) (argc-1))
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
image_info->ping=MagickFalse;
break;
}
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'd':
{
if (LocaleCompare("debug",option+1) == 0)
{
long
event;
if (*option == '+')
break;
i++;
if (i == (long) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
event=ParseMagickOption(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 == (long) 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;
}
break;
}
if (LocaleCompare("density",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (long) 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 == (long) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'f':
{
if (LocaleCompare("format",option+1) == 0)
{
format=(char *) NULL;
if (*option == '+')
break;
i++;
if (i == (long) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
format=argv[i];
break;
}
if (LocaleCompare("fuzz",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (long) (argc-1))
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 == (long) (argc-1))
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'h':
{
if ((LocaleCompare("help",option+1) == 0) ||
(LocaleCompare("-help",option+1) == 0))
IdentifyUsage();
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'i':
{
if (LocaleCompare("interlace",option+1) == 0)
{
long
interlace;
if (*option == '+')
break;
i++;
if (i == (long) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
interlace=ParseMagickOption(MagickInterlaceOptions,MagickFalse,
argv[i]);
if (interlace < 0)
ThrowIdentifyException(OptionError,
"UnrecognizedInterlaceType",argv[i]);
break;
}
if (LocaleCompare("interpolate",option+1) == 0)
{
long
interpolate;
if (*option == '+')
break;
i++;
if (i == (long) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
interpolate=ParseMagickOption(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)
{
long
resource;
if (*option == '+')
break;
i++;
if (i == (long) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
resource=ParseMagickOption(MagickResourceOptions,MagickFalse,
argv[i]);
if (resource < 0)
ThrowIdentifyException(OptionError,"UnrecognizedResourceType",
argv[i]);
i++;
if (i == (long) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if ((LocaleCompare("unlimited",argv[i]) != 0) &&
(IsGeometry(argv[i]) == MagickFalse))
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("list",option+1) == 0)
{
long
list;
if (*option == '+')
break;
i++;
if (i == (long) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
list=ParseMagickOption(MagickListOptions,MagickFalse,argv[i]);
if (list < 0)
ThrowIdentifyException(OptionError,"UnrecognizedListType",
argv[i]);
(void) MogrifyImageInfo(image_info,(int) (i-j+1),(const char **)
argv+j,exception);
DestroyIdentify();
return(MagickTrue);
}
if (LocaleCompare("log",option+1) == 0)
{
if (*option == '+')
break;
i++;
if ((i == (long) argc) ||
(strchr(argv[i],'%') == (char *) NULL))
ThrowIdentifyException(OptionError,"MissingArgument",option);
break;
}
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'm':
{
if (LocaleCompare("matte",option+1) == 0)
break;
if (LocaleCompare("monitor",option+1) == 0)
break;
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'p':
{
if (LocaleCompare("ping",option+1) == 0)
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;
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 's':
{
if (LocaleCompare("sampling-factor",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (long) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
if (LocaleCompare("seed",option+1) == 0)
{
unsigned long
seed;
if (*option == '+')
{
seed=(unsigned long) time((time_t *) NULL);
SeedRandomReservoir(seed);
break;
}
i++;
if (i == (long) (argc-1))
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
seed=(unsigned long) atol(argv[i]);
SeedRandomReservoir(seed);
break;
}
if (LocaleCompare("set",option+1) == 0)
{
i++;
if (i == (long) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (*option == '+')
break;
i++;
if (i == (long) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
break;
}
if (LocaleCompare("size",option+1) == 0)
{
if (*option == '+')
break;
i++;
if (i == (long) 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 == (long) argc)
ThrowIdentifyException(OptionError,"MissingArgument",option);
if (IsGeometry(argv[i]) == MagickFalse)
ThrowIdentifyInvalidArgumentException(option,argv[i]);
break;
}
ThrowIdentifyException(OptionError,"UnrecognizedOption",option)
}
case 'u':
{
if (LocaleCompare("units",option+1) == 0)
{
long
units;
if (*option == '+')
break;
i++;
if (i == (long) (argc-1))
ThrowIdentifyException(OptionError,"MissingArgument",option);
units=ParseMagickOption(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("version",option+1) == 0) ||
(LocaleCompare("-version",option+1) == 0))
{
(void) fprintf(stdout,"Version: %s\n",
GetMagickVersion((unsigned long *) NULL));
(void) fprintf(stdout,"Copyright: %s\n\n",GetMagickCopyright());
break;
}
if (LocaleCompare("virtual-pixel",option+1) == 0)
{
long
method;
if (*option == '+')
break;
i++;
if (i == (long) (argc-1))
ThrowIdentifyException(OptionError,"MissingArgument",option);
method=ParseMagickOption(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=(MagickBooleanType) ParseMagickOption(MagickMogrifyOptions,
MagickFalse,option+1);
if (fire == MagickTrue)
MogrifyImageStack(image_stack[k],MagickTrue,MagickTrue);
}
if (k != 0)
ThrowIdentifyException(OptionError,"UnbalancedParenthesis",argv[i]);
if (i != argc)
ThrowIdentifyException(OptionError,"MissingAnImageFilename",argv[i]);
DestroyIdentify();
return(status != 0 ? MagickTrue : MagickFalse);
}
