/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ A c q u i r e S i g n a t u r e I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireSignatureInfo() allocate the SignatureInfo structure.
%
% The format of the AcquireSignatureInfo method is:
%
% SignatureInfo *AcquireSignatureInfo(void)
%
*/
MagickPrivate SignatureInfo *AcquireSignatureInfo(void)
{
SignatureInfo
*signature_info;
unsigned int
lsb_first;
signature_info=(SignatureInfo *) AcquireMagickMemory(sizeof(*signature_info));
if (signature_info == (SignatureInfo *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
(void) ResetMagickMemory(signature_info,0,sizeof(*signature_info));
signature_info->digestsize=SignatureDigestsize;
signature_info->blocksize=SignatureBlocksize;
signature_info->digest=AcquireStringInfo(SignatureDigestsize);
signature_info->message=AcquireStringInfo(SignatureBlocksize);
signature_info->accumulator=(unsigned int *) AcquireQuantumMemory(
SignatureBlocksize,sizeof(*signature_info->accumulator));
if (signature_info->accumulator == (unsigned int *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
lsb_first=1;
signature_info->lsb_first=(int) (*(char *) &lsb_first) == 1 ? MagickTrue :
MagickFalse;
signature_info->timestamp=(ssize_t) time(0);
signature_info->signature=MagickSignature;
InitializeSignature(signature_info);
return(signature_info);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% A c q u i r e Z I P I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireZIPInfo() allocates the ZIPInfo structure.
%
% The format of the AcquireZIPInfo method is:
%
% ZIPInfo *AcquireZIPInfo(const size_t level)
%
% A description of each parameter follows:
%
% o level: entropy level: 1 is best speed, 9 is more entropy.
%
*/
WizardExport ZIPInfo *AcquireZIPInfo(const size_t level)
{
ZIPInfo
*zip_info;
zip_info=(ZIPInfo *) AcquireWizardMemory(sizeof(*zip_info));
if (zip_info == (ZIPInfo *) NULL)
ThrowWizardFatalError(EntropyError,MemoryError);
(void) ResetWizardMemory(zip_info,0,sizeof(*zip_info));
zip_info->chaos=AcquireStringInfo(1);
zip_info->level=level;
zip_info->timestamp=(ssize_t) (time((time_t *) NULL)-WizardEpoch);
zip_info->signature=WizardSignature;
return(zip_info);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t W i z a r d M a g i c k %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetWizardMagick() produces a unique signature useful for verifying that a
% structure or file is in fact Wizard related.
%
% The format of the GetWizardMagick method is:
%
% StringInfo GetWizardMagick(const char *signature,const size_t length)
%
% A description of each parameter follows:
%
% o signature: Derive the magick from this signature.
%
%
*/
WizardExport StringInfo *GetWizardMagick(const unsigned char *signature,
const size_t length)
{
HashInfo
*hash_info;
StringInfo
*magick,
*tag;
hash_info=AcquireHashInfo(SHA2256Hash);
InitializeHash(hash_info);
tag=AcquireStringInfo(length);
SetStringInfoDatum(tag,signature);
UpdateHash(hash_info,tag);
tag=DestroyStringInfo(tag);
FinalizeHash(hash_info);
magick=CloneStringInfo(GetHashDigest(hash_info));
hash_info=DestroyHashInfo(hash_info);
return(magick);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t C o n f i g u r e O p t i o n s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetConfigureOptions() returns any Magick configuration options associated
% with the specified filename.
%
% The format of the GetConfigureOptions method is:
%
% LinkedListInfo *GetConfigureOptions(const char *filename,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o filename: the configure file name.
%
% o exception: return any errors or warnings in this structure.
%
*/
MagickExport LinkedListInfo *GetConfigureOptions(const char *filename,
ExceptionInfo *exception)
{
char
path[MaxTextExtent];
const char
*element;
LinkedListInfo
*options,
*paths;
StringInfo
*xml;
assert(filename != (const char *) NULL);
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",filename);
assert(exception != (ExceptionInfo *) NULL);
(void) CopyMagickString(path,filename,MaxTextExtent);
/*
Load XML from configuration files to linked-list.
*/
options=NewLinkedList(0);
paths=GetConfigurePaths(filename,exception);
if (paths != (LinkedListInfo *) NULL)
{
ResetLinkedListIterator(paths);
element=(const char *) GetNextValueInLinkedList(paths);
while (element != (const char *) NULL)
{
(void) FormatLocaleString(path,MaxTextExtent,"%s%s",element,filename);
(void) LogMagickEvent(ConfigureEvent,GetMagickModule(),
"Searching for configure file: \"%s\"",path);
xml=ConfigureFileToStringInfo(path);
if (xml != (StringInfo *) NULL)
(void) AppendValueToLinkedList(options,xml);
element=(const char *) GetNextValueInLinkedList(paths);
}
paths=DestroyLinkedList(paths,RelinquishMagickMemory);
}
#if defined(MAGICKCORE_WINDOWS_SUPPORT)
if (GetNumberOfElementsInLinkedList(options) == 0)
{
char
*blob;
blob=(char *) NTResourceToBlob(filename);
if (blob != (char *) NULL)
{
xml=AcquireStringInfo(0);
SetStringInfoLength(xml,strlen(blob)+1);
SetStringInfoDatum(xml,(unsigned char *) blob);
SetStringInfoPath(xml,filename);
(void) AppendValueToLinkedList(options,xml);
}
}
#endif
if (GetNumberOfElementsInLinkedList(options) == 0)
(void) ThrowMagickException(exception,GetMagickModule(),ConfigureWarning,
"UnableToOpenConfigureFile","`%s'",filename);
ResetLinkedListIterator(options);
return(options);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% S i g n a t u r e I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% SignatureImage() computes a message digest from an image pixel stream with
% an implementation of the NIST SHA-256 Message Digest algorithm. This
% signature uniquely identifies the image and is convenient for determining
% if an image has been modified or whether two images are identical.
%
% The format of the SignatureImage method is:
%
% MagickBooleanType SignatureImage(Image *image,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o image: the image.
%
% o exception: return any errors or warnings in this structure.
%
*/
MagickExport MagickBooleanType SignatureImage(Image *image,
ExceptionInfo *exception)
{
CacheView
*image_view;
char
*hex_signature;
double
pixel;
register const Quantum
*p;
SignatureInfo
*signature_info;
ssize_t
y;
StringInfo
*signature;
unsigned char
*pixels;
/*
Compute image digital signature.
*/
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
signature_info=AcquireSignatureInfo();
signature=AcquireStringInfo(image->columns*GetPixelChannels(image)*
sizeof(pixel));
image_view=AcquireVirtualCacheView(image,exception);
for (y=0; y < (ssize_t) image->rows; y++)
{
register ssize_t
x;
register unsigned char
*q;
p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
if (p == (const Quantum *) NULL)
break;
SetStringInfoLength(signature,image->columns*GetPixelChannels(image)*
sizeof(pixel));
pixels=GetStringInfoDatum(signature);
q=pixels;
for (x=0; x < (ssize_t) image->columns; x++)
{
register ssize_t
i;
if (GetPixelReadMask(image,p) == 0)
{
p+=GetPixelChannels(image);
continue;
}
for (i=0; i < (ssize_t) GetPixelChannels(image); i++)
{
register ssize_t
j;
PixelChannel channel=GetPixelChannelChannel(image,i);
PixelTrait traits=GetPixelChannelTraits(image,channel);
if (traits == UndefinedPixelTrait)
continue;
pixel=QuantumScale*p[i];
for (j=0; j < (ssize_t) sizeof(pixel); j++)
*q++=(unsigned char) ((unsigned char *) &pixel)[j];
}
p+=GetPixelChannels(image);
}
SetStringInfoLength(signature,(size_t) (q-pixels));
UpdateSignature(signature_info,signature);
}
image_view=DestroyCacheView(image_view);
FinalizeSignature(signature_info);
hex_signature=StringInfoToHexString(GetSignatureDigest(signature_info));
(void) DeleteImageProperty(image,"signature");
(void) SetImageProperty(image,"signature",hex_signature,exception);
/*
Free resources.
*/
hex_signature=DestroyString(hex_signature);
signature=DestroyStringInfo(signature);
signature_info=DestroySignatureInfo(signature_info);
return(MagickTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% S i g n a t u r e I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% SignatureImage() computes a message digest from an image pixel stream with
% an implementation of the NIST SHA-256 Message Digest algorithm. This
% signature uniquely identifies the image and is convenient for determining
% if an image has been modified or whether two images are identical.
%
% The format of the SignatureImage method is:
%
% MagickBooleanType SignatureImage(Image *image)
%
% A description of each parameter follows:
%
% o image: the image.
%
*/
MagickExport MagickBooleanType SignatureImage(Image *image)
{
CacheView
*image_view;
char
*hex_signature;
ExceptionInfo
*exception;
QuantumInfo
*quantum_info;
QuantumType
quantum_type;
register const PixelPacket
*p;
SignatureInfo
*signature_info;
size_t
length;
ssize_t
y;
StringInfo
*signature;
unsigned char
*pixels;
/*
Compute image digital signature.
*/
assert(image != (Image *) NULL);
assert(image->signature == MagickSignature);
if (image->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
quantum_info=AcquireQuantumInfo((const ImageInfo *) NULL,image);
if (quantum_info == (QuantumInfo *) NULL)
ThrowBinaryException(ResourceLimitError,"MemoryAllocationFailed",
image->filename);
quantum_type=RGBQuantum;
if (image->matte != MagickFalse)
quantum_type=RGBAQuantum;
if (image->colorspace == CMYKColorspace)
{
quantum_type=CMYKQuantum;
if (image->matte != MagickFalse)
quantum_type=CMYKAQuantum;
}
signature_info=AcquireSignatureInfo();
signature=AcquireStringInfo(quantum_info->extent);
pixels=GetQuantumPixels(quantum_info);
exception=(&image->exception);
image_view=AcquireCacheView(image);
for (y=0; y < (ssize_t) image->rows; y++)
{
p=GetCacheViewVirtualPixels(image_view,0,y,image->columns,1,exception);
if (p == (const PixelPacket *) NULL)
break;
length=ExportQuantumPixels(image,image_view,quantum_info,quantum_type,
pixels,&image->exception);
SetStringInfoLength(signature,length);
SetStringInfoDatum(signature,pixels);
UpdateSignature(signature_info,signature);
}
image_view=DestroyCacheView(image_view);
quantum_info=DestroyQuantumInfo(quantum_info);
FinalizeSignature(signature_info);
hex_signature=StringInfoToHexString(GetSignatureDigest(signature_info));
(void) DeleteImageProperty(image,"signature");
(void) SetImageProperty(image,"signature",hex_signature);
/*
Free resources.
*/
hex_signature=DestroyString(hex_signature);
signature=DestroyStringInfo(signature);
signature_info=DestroySignatureInfo(signature_info);
return(MagickTrue);
}
static Image *ReadJP2Image(const ImageInfo *image_info,ExceptionInfo *exception)
{
Image
*image;
jas_cmprof_t
*cm_profile;
jas_iccprof_t
*icc_profile;
jas_image_t
*jp2_image;
jas_matrix_t
*pixels[4];
jas_stream_t
*jp2_stream;
ssize_t
components[4],
y;
MagickBooleanType
status;
QuantumAny
pixel,
range[4];
register ssize_t
i,
x;
register PixelPacket
*q;
size_t
maximum_component_depth,
number_components,
x_step[4],
y_step[4];
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AcquireImage(image_info);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
Initialize JPEG 2000 API.
*/
jp2_stream=JP2StreamManager(image);
if (jp2_stream == (jas_stream_t *) NULL)
ThrowReaderException(DelegateError,"UnableToManageJP2Stream");
jp2_image=jas_image_decode(jp2_stream,-1,0);
if (jp2_image == (jas_image_t *) NULL)
{
(void) jas_stream_close(jp2_stream);
ThrowReaderException(DelegateError,"UnableToDecodeImageFile");
}
switch (jas_clrspc_fam(jas_image_clrspc(jp2_image)))
{
case JAS_CLRSPC_FAM_RGB:
{
components[0]=jas_image_getcmptbytype(jp2_image,JAS_IMAGE_CT_RGB_R);
components[1]=jas_image_getcmptbytype(jp2_image,JAS_IMAGE_CT_RGB_G);
components[2]=jas_image_getcmptbytype(jp2_image,JAS_IMAGE_CT_RGB_B);
if ((components[0] < 0) || (components[1] < 0) || (components[2] < 0))
{
(void) jas_stream_close(jp2_stream);
jas_image_destroy(jp2_image);
ThrowReaderException(CorruptImageError,"MissingImageChannel");
}
number_components=3;
components[3]=jas_image_getcmptbytype(jp2_image,3);
if (components[3] > 0)
{
image->matte=MagickTrue;
number_components++;
}
break;
}
case JAS_CLRSPC_FAM_GRAY:
{
components[0]=jas_image_getcmptbytype(jp2_image,JAS_IMAGE_CT_GRAY_Y);
if (components[0] < 0)
{
(void) jas_stream_close(jp2_stream);
jas_image_destroy(jp2_image);
ThrowReaderException(CorruptImageError,"MissingImageChannel");
}
number_components=1;
break;
}
case JAS_CLRSPC_FAM_YCBCR:
{
components[0]=jas_image_getcmptbytype(jp2_image,JAS_IMAGE_CT_YCBCR_Y);
components[1]=jas_image_getcmptbytype(jp2_image,JAS_IMAGE_CT_YCBCR_CB);
components[2]=jas_image_getcmptbytype(jp2_image,JAS_IMAGE_CT_YCBCR_CR);
if ((components[0] < 0) || (components[1] < 0) || (components[2] < 0))
{
(void) jas_stream_close(jp2_stream);
jas_image_destroy(jp2_image);
ThrowReaderException(CorruptImageError,"MissingImageChannel");
}
number_components=3;
components[3]=jas_image_getcmptbytype(jp2_image,JAS_IMAGE_CT_UNKNOWN);
if (components[3] > 0)
{
image->matte=MagickTrue;
number_components++;
}
image->colorspace=YCbCrColorspace;
break;
}
default:
{
(void) jas_stream_close(jp2_stream);
jas_image_destroy(jp2_image);
ThrowReaderException(CoderError,"ColorspaceModelIsNotSupported");
}
}
image->columns=jas_image_width(jp2_image);
image->rows=jas_image_height(jp2_image);
image->compression=JPEG2000Compression;
for (i=0; i < (ssize_t) number_components; i++)
{
size_t
height,
width;
width=(size_t) (jas_image_cmptwidth(jp2_image,components[i])*
jas_image_cmpthstep(jp2_image,components[i]));
height=(size_t) (jas_image_cmptheight(jp2_image,components[i])*
jas_image_cmptvstep(jp2_image,components[i]));
x_step[i]=(unsigned int) jas_image_cmpthstep(jp2_image,components[i]);
y_step[i]=(unsigned int) jas_image_cmptvstep(jp2_image,components[i]);
if ((width != image->columns) || (height != image->rows) ||
(jas_image_cmpttlx(jp2_image,components[i]) != 0) ||
(jas_image_cmpttly(jp2_image,components[i]) != 0) ||
(x_step[i] != 1) || (y_step[i] != 1) ||
(jas_image_cmptsgnd(jp2_image,components[i]) != MagickFalse))
{
(void) jas_stream_close(jp2_stream);
jas_image_destroy(jp2_image);
ThrowReaderException(CoderError,"IrregularChannelGeometryNotSupported");
}
}
/*
Convert JPEG 2000 pixels.
*/
image->matte=number_components > 3 ? MagickTrue : MagickFalse;
maximum_component_depth=0;
for (i=0; i < (ssize_t) number_components; i++)
{
maximum_component_depth=(unsigned int) MagickMax((size_t)
jas_image_cmptprec(jp2_image,components[i]),(size_t)
maximum_component_depth);
pixels[i]=jas_matrix_create(1,(int) (image->columns/x_step[i]));
if (pixels[i] == (jas_matrix_t *) NULL)
{
for (--i; i >= 0; i--)
jas_matrix_destroy(pixels[i]);
jas_image_destroy(jp2_image);
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
}
}
image->depth=maximum_component_depth;
if (image_info->ping != MagickFalse)
{
(void) jas_stream_close(jp2_stream);
jas_image_destroy(jp2_image);
return(GetFirstImageInList(image));
}
for (i=0; i < (ssize_t) number_components; i++)
range[i]=GetQuantumRange((size_t) jas_image_cmptprec(jp2_image,
components[i]));
for (y=0; y < (ssize_t) image->rows; y++)
{
q=GetAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (PixelPacket *) NULL)
break;
for (i=0; i < (ssize_t) number_components; i++)
(void) jas_image_readcmpt(jp2_image,(short) components[i],0,
(jas_image_coord_t) (y/y_step[i]),(jas_image_coord_t) (image->columns/
x_step[i]),1,pixels[i]);
switch (number_components)
{
case 1:
{
/*
Grayscale.
*/
for (x=0; x < (ssize_t) image->columns; x++)
{
pixel=(QuantumAny) jas_matrix_getv(pixels[0],x/x_step[0]);
q->red=(Quantum) ScaleAnyToQuantum((QuantumAny) pixel,range[0]);
q->green=q->red;
q->blue=q->red;
q++;
}
break;
}
case 3:
{
/*
RGB.
*/
for (x=0; x < (ssize_t) image->columns; x++)
{
pixel=(QuantumAny) jas_matrix_getv(pixels[0],x/x_step[0]);
q->red=(Quantum) ScaleAnyToQuantum((QuantumAny) pixel,range[0]);
pixel=(QuantumAny) jas_matrix_getv(pixels[1],x/x_step[1]);
q->green=(Quantum) ScaleAnyToQuantum((QuantumAny) pixel,range[1]);
pixel=(QuantumAny) jas_matrix_getv(pixels[2],x/x_step[2]);
q->blue=(Quantum) ScaleAnyToQuantum((QuantumAny) pixel,range[2]);
q++;
}
break;
}
case 4:
{
/*
RGBA.
*/
for (x=0; x < (ssize_t) image->columns; x++)
{
pixel=(QuantumAny) jas_matrix_getv(pixels[0],x/x_step[0]);
q->red=(Quantum) ScaleAnyToQuantum((QuantumAny) pixel,range[0]);
pixel=(QuantumAny) jas_matrix_getv(pixels[1],x/x_step[1]);
q->green=(Quantum) ScaleAnyToQuantum((QuantumAny) pixel,range[1]);
pixel=(QuantumAny) jas_matrix_getv(pixels[2],x/x_step[2]);
q->blue=(Quantum) ScaleAnyToQuantum((QuantumAny) pixel,range[2]);
pixel=(QuantumAny) jas_matrix_getv(pixels[3],x/x_step[3]);
q->opacity=(Quantum) (QuantumRange-
ScaleAnyToQuantum((QuantumAny) pixel,range[3]));
q++;
}
break;
}
}
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
cm_profile=jas_image_cmprof(jp2_image);
icc_profile=(jas_iccprof_t *) NULL;
if (cm_profile != (jas_cmprof_t *) NULL)
icc_profile=jas_iccprof_createfromcmprof(cm_profile);
if (icc_profile != (jas_iccprof_t *) NULL)
{
jas_stream_t
*icc_stream;
icc_stream=jas_stream_memopen(NULL,0);
if ((icc_stream != (jas_stream_t *) NULL) &&
(jas_iccprof_save(icc_profile,icc_stream) == 0) &&
(jas_stream_flush(icc_stream) == 0))
{
StringInfo
*icc_profile,
*profile;
jas_stream_memobj_t
*blob;
/*
Extract the icc profile, handle errors without much noise.
*/
blob=(jas_stream_memobj_t *) icc_stream->obj_;
if (image->debug != MagickFalse)
(void) LogMagickEvent(CoderEvent,GetMagickModule(),
"Profile: ICC, %.20g bytes",(double) blob->len_);
profile=AcquireStringInfo(blob->len_);
SetStringInfoDatum(profile,blob->buf_);
icc_profile=(StringInfo *) GetImageProfile(image,"icc");
if (icc_profile == (StringInfo *) NULL)
(void) SetImageProfile(image,"icc",profile);
else
(void) ConcatenateStringInfo(icc_profile,profile);
profile=DestroyStringInfo(profile);
(void) jas_stream_close(icc_stream);
}
}
(void) jas_stream_close(jp2_stream);
jas_image_destroy(jp2_image);
for (i=0; i < (ssize_t) number_components; i++)
jas_matrix_destroy(pixels[i]);
return(GetFirstImageInList(image));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% R e a d C A C H E I m a g e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ReadMPCImage() reads an Magick Persistent Cache image file and returns
% it. It allocates the memory necessary for the new Image structure and
% returns a pointer to the new image.
%
% The format of the ReadMPCImage method is:
%
% Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
%
% Decompression code contributed by Kyle Shorter.
%
% A description of each parameter follows:
%
% o image_info: the image info.
%
% o exception: return any errors or warnings in this structure.
%
*/
static Image *ReadMPCImage(const ImageInfo *image_info,ExceptionInfo *exception)
{
char
cache_filename[MaxTextExtent],
id[MaxTextExtent],
keyword[MaxTextExtent],
*options;
const unsigned char
*p;
GeometryInfo
geometry_info;
Image
*image;
int
c;
LinkedListInfo
*profiles;
MagickBooleanType
status;
MagickOffsetType
offset;
MagickStatusType
flags;
register long
i;
size_t
length;
ssize_t
count;
StringInfo
*profile;
unsigned long
depth,
quantum_depth;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AcquireImage(image_info);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
(void) CopyMagickString(cache_filename,image->filename,MaxTextExtent);
AppendImageFormat("cache",cache_filename);
c=ReadBlobByte(image);
if (c == EOF)
{
image=DestroyImage(image);
return((Image *) NULL);
}
*id='\0';
(void) ResetMagickMemory(keyword,0,sizeof(keyword));
offset=0;
do
{
/*
Decode image header; header terminates one character beyond a ':'.
*/
profiles=(LinkedListInfo *) NULL;
length=MaxTextExtent;
options=AcquireString((char *) NULL);
quantum_depth=MAGICKCORE_QUANTUM_DEPTH;
image->depth=8;
image->compression=NoCompression;
while ((isgraph(c) != MagickFalse) && (c != (int) ':'))
{
register char
*p;
if (c == (int) '{')
{
char
*comment;
/*
Read comment-- any text between { }.
*/
length=MaxTextExtent;
comment=AcquireString((char *) NULL);
for (p=comment; comment != (char *) NULL; p++)
{
c=ReadBlobByte(image);
if ((c == EOF) || (c == (int) '}'))
break;
if ((size_t) (p-comment+1) >= length)
{
*p='\0';
length<<=1;
comment=(char *) ResizeQuantumMemory(comment,length+
MaxTextExtent,sizeof(*comment));
if (comment == (char *) NULL)
break;
p=comment+strlen(comment);
}
*p=(char) c;
}
if (comment == (char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
*p='\0';
(void) SetImageProperty(image,"comment",comment);
comment=DestroyString(comment);
c=ReadBlobByte(image);
}
else
if (isalnum(c) != MagickFalse)
{
/*
Get the keyword.
*/
p=keyword;
do
{
if (isspace((int) ((unsigned char) c)) != 0)
break;
if (c == (int) '=')
break;
if ((size_t) (p-keyword) < (MaxTextExtent-1))
*p++=(char) c;
c=ReadBlobByte(image);
} while (c != EOF);
*p='\0';
p=options;
while (isspace((int) ((unsigned char) c)) != 0)
c=ReadBlobByte(image);
if (c == (int) '=')
{
/*
Get the keyword value.
*/
c=ReadBlobByte(image);
while ((c != (int) '}') && (c != EOF))
{
if ((size_t) (p-options+1) >= length)
{
*p='\0';
length<<=1;
options=(char *) ResizeQuantumMemory(options,length+
MaxTextExtent,sizeof(*options));
if (options == (char *) NULL)
break;
p=options+strlen(options);
}
if (options == (char *) NULL)
ThrowReaderException(ResourceLimitError,
"MemoryAllocationFailed");
*p++=(char) c;
c=ReadBlobByte(image);
if (*options != '{')
if (isspace((int) ((unsigned char) c)) != 0)
break;
}
}
*p='\0';
if (*options == '{')
(void) CopyMagickString(options,options+1,MaxTextExtent);
/*
Assign a value to the specified keyword.
*/
switch (*keyword)
{
case 'b':
case 'B':
{
if (LocaleCompare(keyword,"background-color") == 0)
{
(void) QueryColorDatabase(options,&image->background_color,
exception);
break;
}
if (LocaleCompare(keyword,"blue-primary") == 0)
{
flags=ParseGeometry(options,&geometry_info);
image->chromaticity.blue_primary.x=geometry_info.rho;
image->chromaticity.blue_primary.y=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
image->chromaticity.blue_primary.y=
image->chromaticity.blue_primary.x;
break;
}
if (LocaleCompare(keyword,"border-color") == 0)
{
(void) QueryColorDatabase(options,&image->border_color,
exception);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'c':
case 'C':
{
if (LocaleCompare(keyword,"class") == 0)
{
long
storage_class;
storage_class=ParseMagickOption(MagickClassOptions,
MagickFalse,options);
if (storage_class < 0)
break;
image->storage_class=(ClassType) storage_class;
break;
}
if (LocaleCompare(keyword,"colors") == 0)
{
image->colors=StringToUnsignedLong(options);
break;
}
if (LocaleCompare(keyword,"colorspace") == 0)
{
long
colorspace;
colorspace=ParseMagickOption(MagickColorspaceOptions,
MagickFalse,options);
if (colorspace < 0)
break;
image->colorspace=(ColorspaceType) colorspace;
break;
}
if (LocaleCompare(keyword,"compression") == 0)
{
long
compression;
compression=ParseMagickOption(MagickCompressOptions,
MagickFalse,options);
if (compression < 0)
break;
image->compression=(CompressionType) compression;
break;
}
if (LocaleCompare(keyword,"columns") == 0)
{
image->columns=StringToUnsignedLong(options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'd':
case 'D':
{
if (LocaleCompare(keyword,"delay") == 0)
{
image->delay=StringToUnsignedLong(options);
break;
}
if (LocaleCompare(keyword,"depth") == 0)
{
image->depth=StringToUnsignedLong(options);
break;
}
if (LocaleCompare(keyword,"dispose") == 0)
{
long
dispose;
dispose=ParseMagickOption(MagickDisposeOptions,MagickFalse,
options);
if (dispose < 0)
break;
image->dispose=(DisposeType) dispose;
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'e':
case 'E':
{
if (LocaleCompare(keyword,"endian") == 0)
{
long
endian;
endian=ParseMagickOption(MagickEndianOptions,MagickFalse,
options);
if (endian < 0)
break;
image->endian=(EndianType) endian;
break;
}
if (LocaleCompare(keyword,"error") == 0)
{
image->error.mean_error_per_pixel=StringToDouble(options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'g':
case 'G':
{
if (LocaleCompare(keyword,"gamma") == 0)
{
image->gamma=StringToDouble(options);
break;
}
if (LocaleCompare(keyword,"green-primary") == 0)
{
flags=ParseGeometry(options,&geometry_info);
image->chromaticity.green_primary.x=geometry_info.rho;
image->chromaticity.green_primary.y=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
image->chromaticity.green_primary.y=
image->chromaticity.green_primary.x;
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'i':
case 'I':
{
if (LocaleCompare(keyword,"id") == 0)
{
(void) CopyMagickString(id,options,MaxTextExtent);
break;
}
if (LocaleCompare(keyword,"iterations") == 0)
{
image->iterations=StringToUnsignedLong(options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'm':
case 'M':
{
if (LocaleCompare(keyword,"matte") == 0)
{
long
matte;
matte=ParseMagickOption(MagickBooleanOptions,MagickFalse,
options);
if (matte < 0)
break;
image->matte=(MagickBooleanType) matte;
break;
}
if (LocaleCompare(keyword,"matte-color") == 0)
{
(void) QueryColorDatabase(options,&image->matte_color,
exception);
break;
}
if (LocaleCompare(keyword,"maximum-error") == 0)
{
image->error.normalized_maximum_error=StringToDouble(options);
break;
}
if (LocaleCompare(keyword,"mean-error") == 0)
{
image->error.normalized_mean_error=StringToDouble(options);
break;
}
if (LocaleCompare(keyword,"montage") == 0)
{
(void) CloneString(&image->montage,options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'o':
case 'O':
{
if (LocaleCompare(keyword,"opaque") == 0)
{
long
matte;
matte=ParseMagickOption(MagickBooleanOptions,MagickFalse,
options);
if (matte < 0)
break;
image->matte=(MagickBooleanType) matte;
break;
}
if (LocaleCompare(keyword,"orientation") == 0)
{
long
orientation;
orientation=ParseMagickOption(MagickOrientationOptions,
MagickFalse,options);
if (orientation < 0)
break;
image->orientation=(OrientationType) orientation;
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'p':
case 'P':
{
if (LocaleCompare(keyword,"page") == 0)
{
char
*geometry;
geometry=GetPageGeometry(options);
(void) ParseAbsoluteGeometry(geometry,&image->page);
geometry=DestroyString(geometry);
break;
}
if ((LocaleNCompare(keyword,"profile:",8) == 0) ||
(LocaleNCompare(keyword,"profile-",8) == 0))
{
if (profiles == (LinkedListInfo *) NULL)
profiles=NewLinkedList(0);
(void) AppendValueToLinkedList(profiles,
AcquireString(keyword+8));
profile=AcquireStringInfo((size_t) StringToLong(options));
(void) SetImageProfile(image,keyword+8,profile);
profile=DestroyStringInfo(profile);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'q':
case 'Q':
{
if (LocaleCompare(keyword,"quality") == 0)
{
image->quality=StringToUnsignedLong(options);
break;
}
if (LocaleCompare(keyword,"quantum-depth") == 0)
{
quantum_depth=StringToUnsignedLong(options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'r':
case 'R':
{
if (LocaleCompare(keyword,"red-primary") == 0)
{
flags=ParseGeometry(options,&geometry_info);
image->chromaticity.red_primary.x=geometry_info.rho;
if ((flags & SigmaValue) != 0)
image->chromaticity.red_primary.y=geometry_info.sigma;
break;
}
if (LocaleCompare(keyword,"rendering-intent") == 0)
{
long
rendering_intent;
rendering_intent=ParseMagickOption(MagickIntentOptions,
MagickFalse,options);
if (rendering_intent < 0)
break;
image->rendering_intent=(RenderingIntent) rendering_intent;
break;
}
if (LocaleCompare(keyword,"resolution") == 0)
{
flags=ParseGeometry(options,&geometry_info);
image->x_resolution=geometry_info.rho;
image->y_resolution=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
image->y_resolution=image->x_resolution;
break;
}
if (LocaleCompare(keyword,"rows") == 0)
{
image->rows=StringToUnsignedLong(options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 's':
case 'S':
{
if (LocaleCompare(keyword,"scene") == 0)
{
image->scene=StringToUnsignedLong(options);
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 't':
case 'T':
{
if (LocaleCompare(keyword,"ticks-per-second") == 0)
{
image->ticks_per_second=(long) StringToLong(options);
break;
}
if (LocaleCompare(keyword,"tile-offset") == 0)
{
char
*geometry;
geometry=GetPageGeometry(options);
(void) ParseAbsoluteGeometry(geometry,&image->tile_offset);
geometry=DestroyString(geometry);
}
if (LocaleCompare(keyword,"type") == 0)
{
long
type;
type=ParseMagickOption(MagickTypeOptions,MagickFalse,
options);
if (type < 0)
break;
image->type=(ImageType) type;
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'u':
case 'U':
{
if (LocaleCompare(keyword,"units") == 0)
{
long
units;
units=ParseMagickOption(MagickResolutionOptions,MagickFalse,
options);
if (units < 0)
break;
image->units=(ResolutionType) units;
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
case 'w':
case 'W':
{
if (LocaleCompare(keyword,"white-point") == 0)
{
flags=ParseGeometry(options,&geometry_info);
image->chromaticity.white_point.x=geometry_info.rho;
image->chromaticity.white_point.y=geometry_info.sigma;
if ((flags & SigmaValue) == 0)
image->chromaticity.white_point.y=
image->chromaticity.white_point.x;
break;
}
(void) SetImageProperty(image,keyword,options);
break;
}
default:
{
(void) SetImageProperty(image,keyword,options);
break;
}
}
}
else
c=ReadBlobByte(image);
while (isspace((int) ((unsigned char) c)) != 0)
c=ReadBlobByte(image);
}
options=DestroyString(options);
(void) ReadBlobByte(image);
/*
Verify that required image information is defined.
*/
if ((LocaleCompare(id,"MagickCache") != 0) ||
(image->storage_class == UndefinedClass) ||
(image->compression == UndefinedCompression) || (image->columns == 0) ||
(image->rows == 0))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
if (quantum_depth != MAGICKCORE_QUANTUM_DEPTH)
ThrowReaderException(CacheError,"InconsistentPersistentCacheDepth");
if (image->montage != (char *) NULL)
{
register char
*p;
/*
Image directory.
*/
length=MaxTextExtent;
image->directory=AcquireString((char *) NULL);
p=image->directory;
do
{
*p='\0';
if ((strlen(image->directory)+MaxTextExtent) >= length)
{
/*
Allocate more memory for the image directory.
*/
length<<=1;
image->directory=(char *) ResizeQuantumMemory(image->directory,
length+MaxTextExtent,sizeof(*image->directory));
if (image->directory == (char *) NULL)
ThrowReaderException(CorruptImageError,"UnableToReadImageData");
p=image->directory+strlen(image->directory);
}
c=ReadBlobByte(image);
*p++=(char) c;
} while (c != (int) '\0');
}
if (profiles != (LinkedListInfo *) NULL)
{
const char
*name;
const StringInfo
*profile;
register unsigned char
*p;
/*
Read image profiles.
*/
ResetLinkedListIterator(profiles);
name=(const char *) GetNextValueInLinkedList(profiles);
while (name != (const char *) NULL)
{
profile=GetImageProfile(image,name);
if (profile != (StringInfo *) NULL)
{
p=GetStringInfoDatum(profile);
count=ReadBlob(image,GetStringInfoLength(profile),p);
}
name=(const char *) GetNextValueInLinkedList(profiles);
}
profiles=DestroyLinkedList(profiles,RelinquishMagickMemory);
}
depth=GetImageQuantumDepth(image,MagickFalse);
if (image->storage_class == PseudoClass)
{
/*
Create image colormap.
*/
if (AcquireImageColormap(image,image->colors) == MagickFalse)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
if (image->colors != 0)
{
size_t
packet_size;
unsigned char
*colormap;
/*
Read image colormap from file.
*/
packet_size=(size_t) (3UL*depth/8UL);
colormap=(unsigned char *) AcquireQuantumMemory(image->colors,
packet_size*sizeof(*colormap));
if (colormap == (unsigned char *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
count=ReadBlob(image,packet_size*image->colors,colormap);
if (count != (ssize_t) (packet_size*image->colors))
ThrowReaderException(CorruptImageError,
"InsufficientImageDataInFile");
p=colormap;
switch (depth)
{
default:
ThrowReaderException(CorruptImageError,
"ImageDepthNotSupported");
case 8:
{
unsigned char
pixel;
for (i=0; i < (long) image->colors; i++)
{
p=PushCharPixel(p,&pixel);
image->colormap[i].red=ScaleCharToQuantum(pixel);
p=PushCharPixel(p,&pixel);
image->colormap[i].green=ScaleCharToQuantum(pixel);
p=PushCharPixel(p,&pixel);
image->colormap[i].blue=ScaleCharToQuantum(pixel);
}
break;
}
case 16:
{
unsigned short
pixel;
for (i=0; i < (long) image->colors; i++)
{
p=PushShortPixel(MSBEndian,p,&pixel);
image->colormap[i].red=ScaleShortToQuantum(pixel);
p=PushShortPixel(MSBEndian,p,&pixel);
image->colormap[i].green=ScaleShortToQuantum(pixel);
p=PushShortPixel(MSBEndian,p,&pixel);
image->colormap[i].blue=ScaleShortToQuantum(pixel);
}
break;
}
case 32:
{
unsigned long
pixel;
for (i=0; i < (long) image->colors; i++)
{
p=PushLongPixel(MSBEndian,p,&pixel);
image->colormap[i].red=ScaleLongToQuantum(pixel);
p=PushLongPixel(MSBEndian,p,&pixel);
image->colormap[i].green=ScaleLongToQuantum(pixel);
p=PushLongPixel(MSBEndian,p,&pixel);
image->colormap[i].blue=ScaleLongToQuantum(pixel);
}
break;
}
}
colormap=(unsigned char *) RelinquishMagickMemory(colormap);
}
}
if (EOFBlob(image) != MagickFalse)
{
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
break;
}
if ((image_info->ping != MagickFalse) && (image_info->number_scenes != 0))
if (image->scene >= (image_info->scene+image_info->number_scenes-1))
break;
/*
Attach persistent pixel cache.
*/
status=PersistPixelCache(image,cache_filename,MagickTrue,&offset,exception);
if (status == MagickFalse)
ThrowReaderException(CacheError,"UnableToPersistPixelCache");
/*
Proceed to next image.
*/
do
{
c=ReadBlobByte(image);
} while ((isgraph(c) == MagickFalse) && (c != EOF));
if (c != EOF)
{
/*
Allocate next image structure.
*/
AcquireNextImage(image_info,image);
if (GetNextImageInList(image) == (Image *) NULL)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
image=SyncNextImageInList(image);
status=SetImageProgress(image,LoadImagesTag,TellBlob(image),
GetBlobSize(image));
if (status == MagickFalse)
break;
}
} while (c != EOF);
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% P r i n t K e y r i n g P r o p e r t i e s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% PrintKeyringProperties() prints properties associated with each key in the
% keyring.
%
% The format of the PrintKeyringProperties method is:
%
% WizardBooleanType PrintKeyringProperties(const char *path,
% BlobInfo *keyring_blob,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o path: the keyring path.
%
% o blob_ibfo: list the key properties to this blob.
%
% o exception: Return any errors or warnings in this structure.
%
*/
WizardExport WizardBooleanType PrintKeyringProperties(const char *path,
BlobInfo *keyring_blob,ExceptionInfo *exception)
{
char
*canonical_path,
*hex,
*keyring_rdf,
message[WizardPathExtent];
const struct stat
*properties;
FileInfo
*file_info;
KeyringInfo
keyring_info;
ssize_t
count;
StringInfo
*filetype,
*id,
*key,
*magick,
*nonce,
*target;
size_t
length;
WizardSizeType
timestamp;
WizardStatusType
status;
(void) LogWizardEvent(TraceEvent,GetWizardModule(),"...");
WizardAssert(KeymapDomain,exception != (ExceptionInfo *) NULL);
file_info=AcquireFileInfo(path,KeyringFilename,ReadFileMode,exception);
if (file_info == (FileInfo *) NULL)
return(WizardTrue);
keyring_rdf=AcquireString(" <keyring:Keyring rdf:about=\"");
canonical_path=CanonicalXMLContent(GetFilePath(file_info),WizardFalse);
(void) ConcatenateString(&keyring_rdf,canonical_path);
(void) ConcatenateString(&keyring_rdf,"\">\n");
properties=GetFileProperties(file_info);
(void) ConcatenateString(&keyring_rdf," <keyring:modify-date>");
(void) FormatWizardTime(properties->st_mtime,WizardPathExtent,message);
(void) ConcatenateString(&keyring_rdf,message);
(void) ConcatenateString(&keyring_rdf,"</keyring:modify-date>\n");
(void) ConcatenateString(&keyring_rdf," <keyring:create-date>");
(void) FormatWizardTime(properties->st_mtime,WizardPathExtent,message);
(void) ConcatenateString(&keyring_rdf,message);
(void) ConcatenateString(&keyring_rdf,"</keyring:create-date>\n");
(void) ConcatenateString(&keyring_rdf," <keyring:timestamp>");
(void) FormatWizardTime(time((time_t *) NULL),WizardPathExtent,message);
(void) ConcatenateString(&keyring_rdf,message);
(void) ConcatenateString(&keyring_rdf,"</keyring:timestamp>\n");
(void) ConcatenateString(&keyring_rdf," </keyring:Keyring>\n");
length=strlen(keyring_rdf);
count=WriteBlob(keyring_blob,length,(unsigned char *) keyring_rdf);
keyring_rdf=DestroyString(keyring_rdf);
if (count != (ssize_t) length)
ThrowFileException(exception,FileError,GetFilePath(file_info));
magick=GetWizardMagick(WizardMagick,sizeof(WizardMagick));
target=CloneStringInfo(magick);
status=ReadFileChunk(file_info,GetStringInfoDatum(target),
GetStringInfoLength(target));
if ((status == WizardFalse) || (CompareStringInfo(target,magick) != 0))
{
file_info=DestroyFileInfo(file_info,exception);
(void) ThrowWizardException(exception,GetWizardModule(),KeyringError,
"corrupt key ring file `%s'",GetFilePath(file_info));
return(WizardFalse);
}
magick=DestroyStringInfo(magick);
target=DestroyStringInfo(target);
filetype=GetWizardMagick((unsigned char *) KeyringFiletype,
strlen(KeyringFiletype));
target=CloneStringInfo(filetype);
status&=ReadFileChunk(file_info,GetStringInfoDatum(target),
GetStringInfoLength(target));
if ((status == WizardFalse) || (CompareStringInfo(target,filetype) != 0))
{
file_info=DestroyFileInfo(file_info,exception);
(void) ThrowWizardException(exception,GetWizardModule(),KeyringError,
"corrupt key ring file `%s'",GetFilePath(file_info));
return(WizardFalse);
}
filetype=DestroyStringInfo(filetype);
target=DestroyStringInfo(target);
length=0;
(void) ResetWizardMemory(&keyring_info,0,sizeof(keyring_info));
while (ReadFile32Bits(file_info,&keyring_info.signature) != 0)
{
if (keyring_info.signature != WizardSignature)
{
file_info=DestroyFileInfo(file_info,exception);
(void) ThrowWizardException(exception,GetWizardModule(),KeyringError,
"corrupt key ring file `%s'",GetFilePath(file_info));
return(WizardFalse);
}
status&=ReadFile32Bits(file_info,&length);
status&=ReadFile16Bits(file_info,&keyring_info.protocol_major);
status&=ReadFile16Bits(file_info,&keyring_info.protocol_minor);
if ((keyring_info.protocol_major == 1) &&
(keyring_info.protocol_minor == 0))
timestamp=(time_t) length;
else
status&=ReadFile64Bits(file_info,×tamp);
keyring_info.timestamp=(time_t) timestamp;
status&=ReadFile32Bits(file_info,&length);
if (status == WizardFalse)
{
file_info=DestroyFileInfo(file_info,exception);
(void) ThrowWizardException(exception,GetWizardModule(),KeyringError,
"corrupt key ring file `%s'",GetFilePath(file_info));
return(WizardFalse);
}
id=AcquireStringInfo(length);
status&=ReadFileChunk(file_info,GetStringInfoDatum(id),
GetStringInfoLength(id));
status&=ReadFile32Bits(file_info,&length);
if (status == WizardFalse)
{
file_info=DestroyFileInfo(file_info,exception);
(void) ThrowWizardException(exception,GetWizardModule(),KeyringError,
"corrupt key ring file `%s'",GetFilePath(file_info));
return(WizardFalse);
}
key=AcquireStringInfo(length);
status&=ReadFileChunk(file_info,GetStringInfoDatum(key),
GetStringInfoLength(key));
status&=ReadFile32Bits(file_info,&length);
if (status == WizardFalse)
{
file_info=DestroyFileInfo(file_info,exception);
(void) ThrowWizardException(exception,GetWizardModule(),KeyringError,
"corrupt key ring file `%s'",GetFilePath(file_info));
return(WizardFalse);
}
nonce=AcquireStringInfo(length);
status&=ReadFileChunk(file_info,GetStringInfoDatum(nonce),
GetStringInfoLength(nonce));
keyring_rdf=AcquireString(" <keyring:Key rdf:about=\"");
hex=StringInfoToHexString(id);
(void) ConcatenateString(&keyring_rdf,hex);
hex=DestroyString(hex);
(void) ConcatenateString(&keyring_rdf,"\">\n");
(void) ConcatenateString(&keyring_rdf," <keyring:memberOf "
"rdf:resource=\"");
(void) ConcatenateString(&keyring_rdf,canonical_path);
(void) ConcatenateString(&keyring_rdf,"\"/>\n");
(void) ConcatenateString(&keyring_rdf," <keyring:nonce>");
hex=StringInfoToHexString(nonce);
(void) ConcatenateString(&keyring_rdf,hex);
hex=DestroyString(hex);
(void) ConcatenateString(&keyring_rdf,"</keyring:nonce>\n");
(void) ConcatenateString(&keyring_rdf," <keyring:timestamp>");
(void) FormatWizardTime(keyring_info.timestamp,WizardPathExtent,message);
(void) ConcatenateString(&keyring_rdf,message);
(void) ConcatenateString(&keyring_rdf,"</keyring:timestamp>\n");
(void) ConcatenateString(&keyring_rdf," <keyring:protocol>");
(void) FormatLocaleString(message,WizardPathExtent,"%u.%u",
keyring_info.protocol_major,(unsigned int) keyring_info.protocol_minor);
(void) ConcatenateString(&keyring_rdf,message);
(void) ConcatenateString(&keyring_rdf,"</keyring:protocol>\n");
(void) ConcatenateString(&keyring_rdf," </keyring:Key>\n");
length=strlen(keyring_rdf);
count=WriteBlob(keyring_blob,length,(unsigned char *) keyring_rdf);
keyring_rdf=DestroyString(keyring_rdf);
if (count != (ssize_t) length)
ThrowFileException(exception,FileError,GetFilePath(file_info));
nonce=DestroyStringInfo(nonce);
key=DestroyStringInfo(key);
id=DestroyStringInfo(id);
if (status == WizardFalse)
{
file_info=DestroyFileInfo(file_info,exception);
(void) ThrowWizardException(exception,GetWizardModule(),KeyringError,
"corrupt key ring file `%s'",GetFilePath(file_info));
return(WizardFalse);
}
}
canonical_path=DestroyString(canonical_path);
file_info=DestroyFileInfo(file_info,exception);
return(WizardTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% E x p o r t K e y r i n g K e y %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ExportKeyringKey() exports a key from the keyring.
%
% The format of the ExportKeyringKey method is:
%
% WizardBooleanType ExportKeyringKey(KeyringInfo *keyring_info,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o keyring_info: The ring info.
%
% o exception: Return any errors or warnings in this structure.
%
*/
WizardExport WizardBooleanType ExportKeyringKey(KeyringInfo *keyring_info,
ExceptionInfo *exception)
{
FileInfo
*file_info;
WizardStatusType
status;
StringInfo
*filetype,
*id,
*key,
*magick,
*nonce,
*target;
size_t
length,
signature;
WizardSizeType
timestamp;
(void) LogWizardEvent(TraceEvent,GetWizardModule(),"...");
WizardAssert(KeymapDomain,keyring_info != (KeyringInfo *) NULL);
WizardAssert(KeymapDomain,keyring_info->signature == WizardSignature);
WizardAssert(KeymapDomain,exception != (ExceptionInfo *) NULL);
file_info=AcquireFileInfo(keyring_info->path,KeyringFilename,ReadFileMode,
exception);
if (file_info == (FileInfo *) NULL)
return(WizardFalse);
magick=GetWizardMagick(WizardMagick,sizeof(WizardMagick));
target=CloneStringInfo(magick);
status=ReadFileChunk(file_info,GetStringInfoDatum(target),
GetStringInfoLength(target));
if ((status == WizardFalse) || (CompareStringInfo(target,magick) != 0))
{
file_info=DestroyFileInfo(file_info,exception);
(void) ThrowWizardException(exception,GetWizardModule(),KeyringError,
"corrupt key ring file `%s'",GetFilePath(file_info));
return(WizardFalse);
}
magick=DestroyStringInfo(magick);
target=DestroyStringInfo(target);
filetype=GetWizardMagick((unsigned char *) KeyringFiletype,
strlen(KeyringFiletype));
target=CloneStringInfo(filetype);
status&=ReadFileChunk(file_info,GetStringInfoDatum(target),
GetStringInfoLength(target));
if ((status == WizardFalse) || (CompareStringInfo(target,filetype) != 0))
{
file_info=DestroyFileInfo(file_info,exception);
(void) ThrowWizardException(exception,GetWizardModule(),KeyringError,
"corrupt key ring file `%s'",GetFilePath(file_info));
return(WizardFalse);
}
filetype=DestroyStringInfo(filetype);
target=DestroyStringInfo(target);
signature=0;
length=0;
while (ReadFile32Bits(file_info,&signature) != 0)
{
if (signature != WizardSignature)
{
file_info=DestroyFileInfo(file_info,exception);
(void) ThrowWizardException(exception,GetWizardModule(),KeyringError,
"corrupt key ring file `%s'",GetFilePath(file_info));
return(WizardFalse);
}
keyring_info->signature=signature;
status&=ReadFile32Bits(file_info,&length);
status&=ReadFile16Bits(file_info,&keyring_info->protocol_major);
status&=ReadFile16Bits(file_info,&keyring_info->protocol_minor);
if ((keyring_info->protocol_major == 1) &&
(keyring_info->protocol_minor == 0))
timestamp=(time_t) length;
else
status&=ReadFile64Bits(file_info,×tamp);
keyring_info->timestamp=(time_t) timestamp;
status&=ReadFile32Bits(file_info,&length);
if (status == WizardFalse)
{
file_info=DestroyFileInfo(file_info,exception);
(void) ThrowWizardException(exception,GetWizardModule(),KeyringError,
"corrupt key ring file `%s'",GetFilePath(file_info));
return(WizardFalse);
}
id=AcquireStringInfo(length);
status&=ReadFileChunk(file_info,GetStringInfoDatum(id),
GetStringInfoLength(id));
status&=ReadFile32Bits(file_info,&length);
if (status == WizardFalse)
{
file_info=DestroyFileInfo(file_info,exception);
(void) ThrowWizardException(exception,GetWizardModule(),KeyringError,
"corrupt key ring file `%s'",GetFilePath(file_info));
return(WizardFalse);
}
key=AcquireStringInfo(length);
status&=ReadFileChunk(file_info,GetStringInfoDatum(key),
GetStringInfoLength(key));
status&=ReadFile32Bits(file_info,&length);
if (status == WizardFalse)
{
file_info=DestroyFileInfo(file_info,exception);
(void) ThrowWizardException(exception,GetWizardModule(),KeyringError,
"corrupt key ring file `%s'",GetFilePath(file_info));
return(WizardFalse);
}
nonce=AcquireStringInfo(length);
status&=ReadFileChunk(file_info,GetStringInfoDatum(nonce),
GetStringInfoLength(nonce));
if (CompareStringInfo(keyring_info->id,id) == 0)
{
SetKeyringKey(keyring_info,key);
SetKeyringNonce(keyring_info,nonce);
nonce=DestroyStringInfo(nonce);
key=DestroyStringInfo(key);
id=DestroyStringInfo(id);
file_info=DestroyFileInfo(file_info,exception);
return(WizardTrue);
}
nonce=DestroyStringInfo(nonce);
key=DestroyStringInfo(key);
id=DestroyStringInfo(id);
if (status == WizardFalse)
{
file_info=DestroyFileInfo(file_info,exception);
(void) ThrowWizardException(exception,GetWizardModule(),KeyringError,
"corrupt key ring file `%s'",GetFilePath(file_info));
return(WizardFalse);
}
}
file_info=DestroyFileInfo(file_info,exception);
return(WizardFalse);
}
static Image *ReadCINImage(const ImageInfo *image_info,
ExceptionInfo *exception)
{
#define MonoColorType 1
#define RGBColorType 3
char
magick[4];
CINInfo
cin;
Image
*image;
ssize_t
y;
MagickBooleanType
status;
MagickOffsetType
offset;
QuantumInfo
*quantum_info;
QuantumType
quantum_type;
register ssize_t
i;
register PixelPacket
*q;
size_t
length;
ssize_t
count;
unsigned char
*pixels;
size_t
lsb_first;
/*
Open image file.
*/
assert(image_info != (const ImageInfo *) NULL);
assert(image_info->signature == MagickSignature);
if (image_info->debug != MagickFalse)
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",
image_info->filename);
assert(exception != (ExceptionInfo *) NULL);
assert(exception->signature == MagickSignature);
image=AcquireImage(image_info);
status=OpenBlob(image_info,image,ReadBinaryBlobMode,exception);
if (status == MagickFalse)
{
image=DestroyImageList(image);
return((Image *) NULL);
}
/*
File information.
*/
offset=0;
count=ReadBlob(image,4,(unsigned char *) magick);
offset+=count;
if ((count != 4) ||
((LocaleNCompare((char *) magick,"\200\052\137\327",4) != 0)))
ThrowReaderException(CorruptImageError,"ImproperImageHeader");
image->endian=LSBEndian;
lsb_first=1;
if ((int) (*(char *) &lsb_first) != 0)
image->endian=MSBEndian;
cin.file.image_offset=ReadBlobLong(image);
offset+=4;
cin.file.generic_length=ReadBlobLong(image);
offset+=4;
cin.file.industry_length=ReadBlobLong(image);
offset+=4;
cin.file.user_length=ReadBlobLong(image);
offset+=4;
cin.file.file_size=ReadBlobLong(image);
offset+=4;
offset+=ReadBlob(image,sizeof(cin.file.version),(unsigned char *)
cin.file.version);
(void) SetImageProperty(image,"dpx:file.version",cin.file.version);
offset+=ReadBlob(image,sizeof(cin.file.filename),(unsigned char *)
cin.file.filename);
(void) SetImageProperty(image,"dpx:file.filename",cin.file.filename);
offset+=ReadBlob(image,sizeof(cin.file.create_date),(unsigned char *)
cin.file.create_date);
(void) SetImageProperty(image,"dpx:file.create_date",cin.file.create_date);
offset+=ReadBlob(image,sizeof(cin.file.create_time),(unsigned char *)
cin.file.create_time);
(void) SetImageProperty(image,"dpx:file.create_time",cin.file.create_time);
offset+=ReadBlob(image,sizeof(cin.file.reserve),(unsigned char *)
cin.file.reserve);
/*
Image information.
*/
cin.image.orientation=(unsigned char) ReadBlobByte(image);
offset++;
if (cin.image.orientation != (unsigned char) (~0U))
(void) FormatImageProperty(image,"dpx:image.orientation","%d",
cin.image.orientation);
switch (cin.image.orientation)
{
default:
case 0: image->orientation=TopLeftOrientation; break;
case 1: image->orientation=TopRightOrientation; break;
case 2: image->orientation=BottomLeftOrientation; break;
case 3: image->orientation=BottomRightOrientation; break;
case 4: image->orientation=LeftTopOrientation; break;
case 5: image->orientation=RightTopOrientation; break;
case 6: image->orientation=LeftBottomOrientation; break;
case 7: image->orientation=RightBottomOrientation; break;
}
cin.image.number_channels=(unsigned char) ReadBlobByte(image);
offset++;
offset+=ReadBlob(image,sizeof(cin.image.reserve1),(unsigned char *)
cin.image.reserve1);
for (i=0; i < 8; i++)
{
cin.image.channel[i].designator[0]=(unsigned char) ReadBlobByte(image);
offset++;
cin.image.channel[i].designator[1]=(unsigned char) ReadBlobByte(image);
offset++;
cin.image.channel[i].bits_per_pixel=(unsigned char) ReadBlobByte(image);
offset++;
cin.image.channel[i].reserve=(unsigned char) ReadBlobByte(image);
offset++;
cin.image.channel[i].pixels_per_line=ReadBlobLong(image);
offset+=4;
cin.image.channel[i].lines_per_image=ReadBlobLong(image);
offset+=4;
cin.image.channel[i].min_data=ReadBlobFloat(image);
offset+=4;
cin.image.channel[i].min_quantity=ReadBlobFloat(image);
offset+=4;
cin.image.channel[i].max_data=ReadBlobFloat(image);
offset+=4;
cin.image.channel[i].max_quantity=ReadBlobFloat(image);
offset+=4;
}
cin.image.white_point[0]=ReadBlobFloat(image);
offset+=4;
if (IsFloatDefined(cin.image.white_point[0]) != MagickFalse)
image->chromaticity.white_point.x=cin.image.white_point[0];
cin.image.white_point[1]=ReadBlobFloat(image);
offset+=4;
if (IsFloatDefined(cin.image.white_point[1]) != MagickFalse)
image->chromaticity.white_point.y=cin.image.white_point[1];
cin.image.red_primary_chromaticity[0]=ReadBlobFloat(image);
offset+=4;
if (IsFloatDefined(cin.image.red_primary_chromaticity[0]) != MagickFalse)
image->chromaticity.red_primary.x=cin.image.red_primary_chromaticity[0];
cin.image.red_primary_chromaticity[1]=ReadBlobFloat(image);
offset+=4;
if (IsFloatDefined(cin.image.red_primary_chromaticity[1]) != MagickFalse)
image->chromaticity.red_primary.y=cin.image.red_primary_chromaticity[1];
cin.image.green_primary_chromaticity[0]=ReadBlobFloat(image);
offset+=4;
if (IsFloatDefined(cin.image.green_primary_chromaticity[0]) != MagickFalse)
image->chromaticity.red_primary.x=cin.image.green_primary_chromaticity[0];
cin.image.green_primary_chromaticity[1]=ReadBlobFloat(image);
offset+=4;
if (IsFloatDefined(cin.image.green_primary_chromaticity[1]) != MagickFalse)
image->chromaticity.green_primary.y=cin.image.green_primary_chromaticity[1];
cin.image.blue_primary_chromaticity[0]=ReadBlobFloat(image);
offset+=4;
if (IsFloatDefined(cin.image.blue_primary_chromaticity[0]) != MagickFalse)
image->chromaticity.blue_primary.x=cin.image.blue_primary_chromaticity[0];
cin.image.blue_primary_chromaticity[1]=ReadBlobFloat(image);
offset+=4;
if (IsFloatDefined(cin.image.blue_primary_chromaticity[1]) != MagickFalse)
image->chromaticity.blue_primary.y=cin.image.blue_primary_chromaticity[1];
offset+=ReadBlob(image,sizeof(cin.image.label),(unsigned char *)
cin.image.label);
(void) SetImageProperty(image,"dpx:image.label",cin.image.label);
offset+=ReadBlob(image,sizeof(cin.image.reserve),(unsigned char *)
cin.image.reserve);
/*
Image data format information.
*/
cin.data_format.interleave=(unsigned char) ReadBlobByte(image);
offset++;
cin.data_format.packing=(unsigned char) ReadBlobByte(image);
offset++;
cin.data_format.sign=(unsigned char) ReadBlobByte(image);
offset++;
cin.data_format.sense=(unsigned char) ReadBlobByte(image);
offset++;
cin.data_format.line_pad=ReadBlobLong(image);
offset+=4;
cin.data_format.channel_pad=ReadBlobLong(image);
offset+=4;
offset+=ReadBlob(image,sizeof(cin.data_format.reserve),(unsigned char *)
cin.data_format.reserve);
/*
Image origination information.
*/
cin.origination.x_offset=(int) ReadBlobLong(image);
offset+=4;
if ((size_t) cin.origination.x_offset != ~0UL)
(void) FormatImageProperty(image,"dpx:origination.x_offset","%.20g",
(double) cin.origination.x_offset);
cin.origination.y_offset=(ssize_t) ReadBlobLong(image);
offset+=4;
if ((size_t) cin.origination.y_offset != ~0UL)
(void) FormatImageProperty(image,"dpx:origination.y_offset","%.20g",
(double) cin.origination.y_offset);
offset+=ReadBlob(image,sizeof(cin.origination.filename),(unsigned char *)
cin.origination.filename);
(void) SetImageProperty(image,"dpx:origination.filename",
cin.origination.filename);
offset+=ReadBlob(image,sizeof(cin.origination.create_date),(unsigned char *)
cin.origination.create_date);
(void) SetImageProperty(image,"dpx:origination.create_date",
cin.origination.create_date);
offset+=ReadBlob(image,sizeof(cin.origination.create_time),(unsigned char *)
cin.origination.create_time);
(void) SetImageProperty(image,"dpx:origination.create_time",
cin.origination.create_time);
offset+=ReadBlob(image,sizeof(cin.origination.device),(unsigned char *)
cin.origination.device);
(void) SetImageProperty(image,"dpx:origination.device",
cin.origination.device);
offset+=ReadBlob(image,sizeof(cin.origination.model),(unsigned char *)
cin.origination.model);
(void) SetImageProperty(image,"dpx:origination.model",cin.origination.model);
offset+=ReadBlob(image,sizeof(cin.origination.serial),(unsigned char *)
cin.origination.serial);
(void) SetImageProperty(image,"dpx:origination.serial",
cin.origination.serial);
cin.origination.x_pitch=ReadBlobFloat(image);
offset+=4;
cin.origination.y_pitch=ReadBlobFloat(image);
offset+=4;
cin.origination.gamma=ReadBlobFloat(image);
offset+=4;
if (IsFloatDefined(cin.origination.gamma) != MagickFalse)
image->gamma=cin.origination.gamma;
offset+=ReadBlob(image,sizeof(cin.origination.reserve),(unsigned char *)
cin.origination.reserve);
if ((cin.file.image_offset > 2048) && (cin.file.user_length != 0))
{
/*
Image film information.
*/
cin.film.id=ReadBlobByte(image);
offset++;
if (((size_t) cin.film.id) != ~0UL)
(void) FormatImageProperty(image,"dpx:film.id","%d",cin.film.id);
cin.film.type=ReadBlobByte(image);
offset++;
if (((size_t) cin.film.type) != ~0UL)
(void) FormatImageProperty(image,"dpx:film.type","%d",cin.film.type);
cin.film.offset=ReadBlobByte(image);
offset++;
if (((size_t) cin.film.offset) != ~0UL)
(void) FormatImageProperty(image,"dpx:film.offset","%d",
cin.film.offset);
cin.film.reserve1=ReadBlobByte(image);
offset++;
cin.film.prefix=ReadBlobLong(image);
offset+=4;
if (cin.film.prefix != ~0UL)
(void) FormatImageProperty(image,"dpx:film.prefix","%.20g",(double)
cin.film.prefix);
cin.film.count=ReadBlobLong(image);
offset+=4;
offset+=ReadBlob(image,sizeof(cin.film.format),(unsigned char *)
cin.film.format);
(void) SetImageProperty(image,"dpx:film.format",cin.film.format);
cin.film.frame_position=ReadBlobLong(image);
offset+=4;
if (cin.film.frame_position != ~0UL)
(void) FormatImageProperty(image,"dpx:film.frame_position","%.20g",
(double) cin.film.frame_position);
cin.film.frame_rate=ReadBlobFloat(image);
offset+=4;
if (IsFloatDefined(cin.film.frame_rate) != MagickFalse)
(void) FormatImageProperty(image,"dpx:film.frame_rate","%g",
cin.film.frame_rate);
offset+=ReadBlob(image,sizeof(cin.film.frame_id),(unsigned char *)
cin.film.frame_id);
(void) SetImageProperty(image,"dpx:film.frame_id",cin.film.frame_id);
offset+=ReadBlob(image,sizeof(cin.film.slate_info),(unsigned char *)
cin.film.slate_info);
(void) SetImageProperty(image,"dpx:film.slate_info",cin.film.slate_info);
offset+=ReadBlob(image,sizeof(cin.film.reserve),(unsigned char *)
cin.film.reserve);
}
if ((cin.file.image_offset > 2048) && (cin.file.user_length != 0))
{
StringInfo
*profile;
/*
User defined data.
*/
profile=AcquireStringInfo(cin.file.user_length);
offset+=ReadBlob(image,GetStringInfoLength(profile),
GetStringInfoDatum(profile));
(void) SetImageProfile(image,"dpx:user.data",profile);
profile=DestroyStringInfo(profile);
}
for ( ; offset < (MagickOffsetType) cin.file.image_offset; offset++)
(void) ReadBlobByte(image);
image->depth=cin.image.channel[0].bits_per_pixel;
image->columns=cin.image.channel[0].pixels_per_line;
image->rows=cin.image.channel[0].lines_per_image;
if (image_info->ping)
{
(void) CloseBlob(image);
return(image);
}
/*
Convert CIN raster image to pixel packets.
*/
quantum_info=AcquireQuantumInfo(image_info,image);
if (quantum_info == (QuantumInfo *) NULL)
ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed");
quantum_info->quantum=32;
quantum_info->pack=MagickFalse;
quantum_type=RGBQuantum;
pixels=GetQuantumPixels(quantum_info);
length=GetQuantumExtent(image,quantum_info,quantum_type);
length=GetBytesPerRow(image->columns,3,image->depth,MagickTrue);
if (cin.image.number_channels == 1)
{
quantum_type=GrayQuantum;
length=GetBytesPerRow(image->columns,1,image->depth,MagickTrue);
}
for (y=0; y < (ssize_t) image->rows; y++)
{
q=QueueAuthenticPixels(image,0,y,image->columns,1,exception);
if (q == (PixelPacket *) NULL)
break;
count=ReadBlob(image,length,pixels);
if ((size_t) count != length)
break;
(void) ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,
quantum_type,pixels,exception);
if (SyncAuthenticPixels(image,exception) == MagickFalse)
break;
if (image->previous == (Image *) NULL)
{
status=SetImageProgress(image,LoadImageTag,(MagickOffsetType) y,
image->rows);
if (status == MagickFalse)
break;
}
}
SetQuantumImageType(image,quantum_type);
quantum_info=DestroyQuantumInfo(quantum_info);
if (EOFBlob(image) != MagickFalse)
ThrowFileException(exception,CorruptImageError,"UnexpectedEndOfFile",
image->filename);
image->colorspace=LogColorspace;
(void) CloseBlob(image);
return(GetFirstImageInList(image));
}