1625 lines
58 KiB
C
1625 lines
58 KiB
C
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% M M AAA GGGG IIIII CCCC K K %
|
||
% MM MM A A G I C K K %
|
||
% M M M AAAAA G GGG I C KKK %
|
||
% M M A A G G I C K K %
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||
% M M A A GGGG IIIII CCCC K K %
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% %
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||
% %
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||
% Methods to Read or List ImageMagick Image formats %
|
||
% %
|
||
% Software Design %
|
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% Bob Friesenhahn %
|
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% Cristy %
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% November 1998 %
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% %
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% %
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% Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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||
% %
|
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% You may not use this file except in compliance with the License. You may %
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||
% obtain a copy of the License at %
|
||
% %
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||
% https://imagemagick.org/script/license.php %
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% %
|
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% Unless required by applicable law or agreed to in writing, software %
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||
% distributed under the License is distributed on an "AS IS" BASIS, %
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
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% See the License for the specific language governing permissions and %
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% limitations under the License. %
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% %
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||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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||
%
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||
%
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||
*/
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||
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/*
|
||
Include declarations.
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||
*/
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#include "magick/studio.h"
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||
#include "magick/annotate.h"
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||
#include "magick/blob.h"
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||
#include "magick/blob-private.h"
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||
#include "magick/cache.h"
|
||
#include "magick/coder.h"
|
||
#include "magick/client.h"
|
||
#include "magick/coder.h"
|
||
#include "magick/configure.h"
|
||
#include "magick/constitute.h"
|
||
#include "magick/delegate.h"
|
||
#include "magick/draw.h"
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||
#include "magick/exception.h"
|
||
#include "magick/exception-private.h"
|
||
#include "magick/locale_.h"
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||
#include "magick/log.h"
|
||
#include "magick/magic.h"
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||
#include "magick/magick.h"
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||
#include "magick/memory_.h"
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||
#include "magick/mime.h"
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||
#include "magick/module.h"
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||
#include "magick/monitor-private.h"
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||
#include "magick/mutex.h"
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||
#include "magick/nt-base-private.h"
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||
#include "magick/nt-feature.h"
|
||
#include "magick/opencl-private.h"
|
||
#include "magick/random_.h"
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||
#include "magick/registry.h"
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||
#include "magick/resource_.h"
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||
#include "magick/policy.h"
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||
#include "magick/semaphore.h"
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||
#include "magick/semaphore-private.h"
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||
#include "magick/signature-private.h"
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||
#include "magick/splay-tree.h"
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||
#include "magick/static.h"
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||
#include "magick/string_.h"
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||
#include "magick/string-private.h"
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||
#include "magick/thread_.h"
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||
#include "magick/thread-private.h"
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||
#include "magick/token.h"
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#include "magick/utility.h"
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#include "magick/xwindow-private.h"
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||
#if defined(MAGICKCORE_XML_DELEGATE)
|
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# if defined(MAGICKCORE_WINDOWS_SUPPORT)
|
||
# if !defined(__MINGW32__)
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# include <win32config.h>
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||
# endif
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||
# endif
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# include <libxml/parser.h>
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#endif
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||
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/*
|
||
Define declarations.
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||
*/
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#if !defined(MAGICKCORE_RETSIGTYPE)
|
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# define MAGICKCORE_RETSIGTYPE void
|
||
#endif
|
||
#if !defined(SIG_DFL)
|
||
# define SIG_DFL ((SignalHandler *) 0)
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||
#endif
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||
#if !defined(SIG_ERR)
|
||
# define SIG_ERR ((SignalHandler *) -1)
|
||
#endif
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||
#if !defined(SIGMAX)
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#define SIGMAX 64
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#endif
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||
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/*
|
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Typedef declarations.
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||
*/
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typedef MAGICKCORE_RETSIGTYPE
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SignalHandler(int);
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||
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||
/*
|
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Global declarations.
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||
*/
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static SemaphoreInfo
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*magick_semaphore = (SemaphoreInfo *) NULL;
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|
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static SignalHandler
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*signal_handlers[SIGMAX] = { (SignalHandler *) NULL };
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||
|
||
static SplayTreeInfo
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||
*magick_list = (SplayTreeInfo *) NULL;
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||
|
||
static volatile MagickBooleanType
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instantiate_magickcore = MagickFalse,
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magickcore_signal_in_progress = MagickFalse,
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magick_list_initialized = MagickFalse;
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||
|
||
/*
|
||
Forward declarations.
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||
*/
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static MagickBooleanType
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IsMagickTreeInstantiated(ExceptionInfo *);
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||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
|
||
% %
|
||
% %
|
||
+ G e t I m a g e D e c o d e r %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetImageDecoder() returns the image decoder.
|
||
%
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||
% The format of the GetImageDecoder method is:
|
||
%
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||
% DecodeImageHandler *GetImageDecoder(const MagickInfo *magick_info)
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||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o magick_info: The magick info.
|
||
%
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||
*/
|
||
MagickExport DecodeImageHandler *GetImageDecoder(const MagickInfo *magick_info)
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||
{
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
|
||
assert(magick_info != (MagickInfo *) NULL);
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||
assert(magick_info->signature == MagickCoreSignature);
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||
return(magick_info->decoder);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ G e t I m a g e E n c o d e r %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetImageEncoder() returns the image encoder.
|
||
%
|
||
% The format of the GetImageEncoder method is:
|
||
%
|
||
% EncodeImageHandler *GetImageEncoder(const MagickInfo *magick_info)
|
||
%
|
||
% A description of each parameter follows:
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||
%
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||
% o magick_info: The magick info.
|
||
%
|
||
*/
|
||
MagickExport EncodeImageHandler *GetImageEncoder(const MagickInfo *magick_info)
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||
{
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||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
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assert(magick_info != (MagickInfo *) NULL);
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||
assert(magick_info->signature == MagickCoreSignature);
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return(magick_info->encoder);
|
||
}
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||
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||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ G e t I m a g e M a g i c k %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetImageMagick() searches for an image format that matches the specified
|
||
% magick string. If one is found, MagickTrue is returned otherwise
|
||
% MagickFalse.
|
||
%
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||
% The format of the GetImageMagick method is:
|
||
%
|
||
% MagickBooleanType GetImageMagick(const unsigned char *magick,
|
||
% const size_t length,char *format)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o magick: the image format we are searching for.
|
||
%
|
||
% o length: the length of the binary string.
|
||
%
|
||
% o format: the image format as determined by the magick bytes.
|
||
%
|
||
*/
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||
MagickExport MagickBooleanType GetImageMagick(const unsigned char *magick,
|
||
const size_t length,char *format)
|
||
{
|
||
ExceptionInfo
|
||
*exception;
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
const MagickInfo
|
||
*p;
|
||
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
|
||
assert(magick != (const unsigned char *) NULL);
|
||
exception=AcquireExceptionInfo();
|
||
p=GetMagickInfo("*",exception);
|
||
exception=DestroyExceptionInfo(exception);
|
||
if (p == (const MagickInfo *) NULL)
|
||
return(MagickFalse);
|
||
status=MagickFalse;
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LockSemaphoreInfo(magick_semaphore);
|
||
ResetSplayTreeIterator(magick_list);
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p=(const MagickInfo *) GetNextValueInSplayTree(magick_list);
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||
while (p != (const MagickInfo *) NULL)
|
||
{
|
||
if ((p->magick != (IsImageFormatHandler *) NULL) &&
|
||
(p->magick(magick,length) != 0))
|
||
{
|
||
status=MagickTrue;
|
||
(void) CopyMagickString(format,p->name,MaxTextExtent);
|
||
break;
|
||
}
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||
p=(const MagickInfo *) GetNextValueInSplayTree(magick_list);
|
||
}
|
||
UnlockSemaphoreInfo(magick_semaphore);
|
||
return(status);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ G e t M a g i c k A d j o i n %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetMagickAdjoin() returns MagickTrue if the magick adjoin is MagickTrue.
|
||
%
|
||
% The format of the GetMagickAdjoin method is:
|
||
%
|
||
% MagickBooleanType GetMagickAdjoin(const MagickInfo *magick_info)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o magick_info: The magick info.
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType GetMagickAdjoin(const MagickInfo *magick_info)
|
||
{
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
|
||
assert(magick_info != (MagickInfo *) NULL);
|
||
assert(magick_info->signature == MagickCoreSignature);
|
||
return(magick_info->adjoin);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ G e t M a g i c k B l o b S u p p o r t %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetMagickBlobSupport() returns MagickTrue if the magick supports blobs.
|
||
%
|
||
% The format of the GetMagickBlobSupport method is:
|
||
%
|
||
% MagickBooleanType GetMagickBlobSupport(const MagickInfo *magick_info)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o magick_info: The magick info.
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType GetMagickBlobSupport(
|
||
const MagickInfo *magick_info)
|
||
{
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
|
||
assert(magick_info != (MagickInfo *) NULL);
|
||
assert(magick_info->signature == MagickCoreSignature);
|
||
return(magick_info->blob_support);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ G e t M a g i c k D e s c r i p t i o n %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetMagickDescription() returns the magick description.
|
||
%
|
||
% The format of the GetMagickDescription method is:
|
||
%
|
||
% const char *GetMagickDescription(const MagickInfo *magick_info)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o magick_info: The magick info.
|
||
%
|
||
*/
|
||
MagickExport const char *GetMagickDescription(const MagickInfo *magick_info)
|
||
{
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
|
||
assert(magick_info != (MagickInfo *) NULL);
|
||
assert(magick_info->signature == MagickCoreSignature);
|
||
return(magick_info->description);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ G e t M a g i c k E n d i a n S u p p o r t %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetMagickEndianSupport() returns the MagickTrue if the coder respects
|
||
% endianness other than MSBEndian.
|
||
%
|
||
% The format of the GetMagickEndianSupport method is:
|
||
%
|
||
% MagickBooleanType GetMagickEndianSupport(const MagickInfo *magick_info)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o magick_info: The magick info.
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType GetMagickEndianSupport(
|
||
const MagickInfo *magick_info)
|
||
{
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
|
||
assert(magick_info != (MagickInfo *) NULL);
|
||
assert(magick_info->signature == MagickCoreSignature);
|
||
return(magick_info->endian_support);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ G e t M a g i c k I n f o %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetMagickInfo() returns a pointer MagickInfo structure that matches
|
||
% the specified name. If name is NULL, the head of the image format list
|
||
% is returned.
|
||
%
|
||
% The format of the GetMagickInfo method is:
|
||
%
|
||
% const MagickInfo *GetMagickInfo(const char *name,Exception *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o name: the image format we are looking for.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
MagickExport const MagickInfo *GetMagickInfo(const char *name,
|
||
ExceptionInfo *exception)
|
||
{
|
||
const MagickInfo
|
||
*magick_info;
|
||
|
||
/*
|
||
Find named module attributes.
|
||
*/
|
||
assert(exception != (ExceptionInfo *) NULL);
|
||
if (IsMagickTreeInstantiated(exception) == MagickFalse)
|
||
return((const MagickInfo *) NULL);
|
||
magick_info=(const MagickInfo *) NULL;
|
||
if ((name != (const char *) NULL) && (*name != '\0'))
|
||
{
|
||
LockSemaphoreInfo(magick_semaphore);
|
||
if (LocaleCompare(name,"*") == 0)
|
||
#if defined(MAGICKCORE_BUILD_MODULES)
|
||
(void) OpenModules(exception);
|
||
#else
|
||
RegisterStaticModules();
|
||
#endif
|
||
else
|
||
{
|
||
magick_info=(const MagickInfo *) GetValueFromSplayTree(magick_list,
|
||
name);
|
||
if (magick_info == (const MagickInfo *) NULL)
|
||
#if defined(MAGICKCORE_BUILD_MODULES)
|
||
(void) OpenModule(name,exception);
|
||
#else
|
||
(void) RegisterStaticModule(name,exception);
|
||
#endif
|
||
}
|
||
UnlockSemaphoreInfo(magick_semaphore);
|
||
}
|
||
if ((name == (const char *) NULL) || (LocaleCompare(name,"*") == 0))
|
||
return((const MagickInfo *) GetRootValueFromSplayTree(magick_list));
|
||
if (magick_info == (const MagickInfo *) NULL)
|
||
magick_info=(const MagickInfo *) GetValueFromSplayTree(magick_list,name);
|
||
return(magick_info);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ G e t M a g i c k I n f o L i s t %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetMagickInfoList() returns any image formats that match the specified
|
||
% pattern.
|
||
%
|
||
% The format of the GetMagickInfoList function is:
|
||
%
|
||
% const MagickInfo **GetMagickInfoList(const char *pattern,
|
||
% size_t *number_formats,ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o pattern: Specifies a pointer to a text string containing a pattern.
|
||
%
|
||
% o number_formats: This integer returns the number of formats in the list.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
|
||
#if defined(__cplusplus) || defined(c_plusplus)
|
||
extern "C" {
|
||
#endif
|
||
|
||
static int MagickInfoCompare(const void *x,const void *y)
|
||
{
|
||
const MagickInfo
|
||
**p,
|
||
**q;
|
||
|
||
p=(const MagickInfo **) x,
|
||
q=(const MagickInfo **) y;
|
||
return(LocaleCompare((*p)->name,(*q)->name));
|
||
}
|
||
|
||
#if defined(__cplusplus) || defined(c_plusplus)
|
||
}
|
||
#endif
|
||
|
||
MagickExport const MagickInfo **GetMagickInfoList(const char *pattern,
|
||
size_t *number_formats,ExceptionInfo *exception)
|
||
{
|
||
const MagickInfo
|
||
**formats;
|
||
|
||
const MagickInfo
|
||
*p;
|
||
|
||
ssize_t
|
||
i;
|
||
|
||
/*
|
||
Allocate magick list.
|
||
*/
|
||
assert(pattern != (char *) NULL);
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",pattern);
|
||
assert(number_formats != (size_t *) NULL);
|
||
*number_formats=0;
|
||
p=GetMagickInfo("*",exception);
|
||
if (p == (const MagickInfo *) NULL)
|
||
return((const MagickInfo **) NULL);
|
||
formats=(const MagickInfo **) AcquireQuantumMemory((size_t)
|
||
GetNumberOfNodesInSplayTree(magick_list)+1UL,sizeof(*formats));
|
||
if (formats == (const MagickInfo **) NULL)
|
||
return((const MagickInfo **) NULL);
|
||
/*
|
||
Generate magick list.
|
||
*/
|
||
LockSemaphoreInfo(magick_semaphore);
|
||
ResetSplayTreeIterator(magick_list);
|
||
p=(const MagickInfo *) GetNextValueInSplayTree(magick_list);
|
||
for (i=0; p != (const MagickInfo *) NULL; )
|
||
{
|
||
if ((p->stealth == MagickFalse) &&
|
||
(GlobExpression(p->name,pattern,MagickFalse) != MagickFalse))
|
||
formats[i++]=p;
|
||
p=(const MagickInfo *) GetNextValueInSplayTree(magick_list);
|
||
}
|
||
UnlockSemaphoreInfo(magick_semaphore);
|
||
qsort((void *) formats,(size_t) i,sizeof(*formats),MagickInfoCompare);
|
||
formats[i]=(MagickInfo *) NULL;
|
||
*number_formats=(size_t) i;
|
||
return(formats);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ G e t M a g i c k L i s t %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetMagickList() returns any image formats that match the specified pattern.
|
||
%
|
||
% The format of the GetMagickList function is:
|
||
%
|
||
% char **GetMagickList(const char *pattern,size_t *number_formats,
|
||
% ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o pattern: Specifies a pointer to a text string containing a pattern.
|
||
%
|
||
% o number_formats: This integer returns the number of formats in the list.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
|
||
#if defined(__cplusplus) || defined(c_plusplus)
|
||
extern "C" {
|
||
#endif
|
||
|
||
static int MagickCompare(const void *x,const void *y)
|
||
{
|
||
const char
|
||
**p,
|
||
**q;
|
||
|
||
p=(const char **) x;
|
||
q=(const char **) y;
|
||
return(LocaleCompare(*p,*q));
|
||
}
|
||
|
||
#if defined(__cplusplus) || defined(c_plusplus)
|
||
}
|
||
#endif
|
||
|
||
MagickExport char **GetMagickList(const char *pattern,
|
||
size_t *number_formats,ExceptionInfo *exception)
|
||
{
|
||
char
|
||
**formats;
|
||
|
||
const MagickInfo
|
||
*p;
|
||
|
||
ssize_t
|
||
i;
|
||
|
||
/*
|
||
Allocate magick list.
|
||
*/
|
||
assert(pattern != (char *) NULL);
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",pattern);
|
||
assert(number_formats != (size_t *) NULL);
|
||
*number_formats=0;
|
||
p=GetMagickInfo("*",exception);
|
||
if (p == (const MagickInfo *) NULL)
|
||
return((char **) NULL);
|
||
formats=(char **) AcquireQuantumMemory((size_t)
|
||
GetNumberOfNodesInSplayTree(magick_list)+1UL,sizeof(*formats));
|
||
if (formats == (char **) NULL)
|
||
return((char **) NULL);
|
||
LockSemaphoreInfo(magick_semaphore);
|
||
ResetSplayTreeIterator(magick_list);
|
||
p=(const MagickInfo *) GetNextValueInSplayTree(magick_list);
|
||
for (i=0; p != (const MagickInfo *) NULL; )
|
||
{
|
||
if ((p->stealth == MagickFalse) &&
|
||
(GlobExpression(p->name,pattern,MagickFalse) != MagickFalse))
|
||
formats[i++]=ConstantString(p->name);
|
||
p=(const MagickInfo *) GetNextValueInSplayTree(magick_list);
|
||
}
|
||
UnlockSemaphoreInfo(magick_semaphore);
|
||
qsort((void *) formats,(size_t) i,sizeof(*formats),MagickCompare);
|
||
formats[i]=(char *) NULL;
|
||
*number_formats=(size_t) i;
|
||
return(formats);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ G e t M a g i c k M i m e T y p e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetMagickMimeType() returns the magick mime type.
|
||
%
|
||
% The format of the GetMagickMimeType method is:
|
||
%
|
||
% const char *GetMagickMimeType(const MagickInfo *magick_info)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o magick_info: The magick info.
|
||
%
|
||
*/
|
||
MagickExport const char *GetMagickMimeType(const MagickInfo *magick_info)
|
||
{
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
|
||
assert(magick_info != (MagickInfo *) NULL);
|
||
assert(magick_info->signature == MagickCoreSignature);
|
||
return(magick_info->mime_type);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% G e t M a g i c k P r e c i s i o n %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetMagickPrecision() returns the maximum number of significant digits to be
|
||
% printed.
|
||
%
|
||
% The format of the GetMagickPrecision method is:
|
||
%
|
||
% int GetMagickPrecision(void)
|
||
%
|
||
*/
|
||
MagickExport int GetMagickPrecision(void)
|
||
{
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
|
||
return(SetMagickPrecision(0));
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ G e t M a g i c k R a w S u p p o r t %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetMagickRawSupport() returns the MagickTrue if the coder is a raw format.
|
||
%
|
||
% The format of the GetMagickRawSupport method is:
|
||
%
|
||
% MagickBooleanType GetMagickRawSupport(const MagickInfo *magick_info)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o magick_info: The magick info.
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType GetMagickRawSupport(
|
||
const MagickInfo *magick_info)
|
||
{
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
|
||
assert(magick_info != (MagickInfo *) NULL);
|
||
assert(magick_info->signature == MagickCoreSignature);
|
||
return(magick_info->raw);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ G e t M a g i c k S e e k a b l e S t r e a m %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetMagickSeekableStream() returns MagickTrue if the magick supports a
|
||
% seekable stream.
|
||
%
|
||
% The format of the GetMagickSeekableStream method is:
|
||
%
|
||
% MagickBooleanType GetMagickSeekableStream(const MagickInfo *magick_info)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o magick_info: The magick info.
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType GetMagickSeekableStream(
|
||
const MagickInfo *magick_info)
|
||
{
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
|
||
assert(magick_info != (MagickInfo *) NULL);
|
||
assert(magick_info->signature == MagickCoreSignature);
|
||
return(magick_info->seekable_stream);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ G e t M a g i c k T h r e a d S u p p o r t %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetMagickThreadSupport() returns MagickTrue if the magick supports threads.
|
||
%
|
||
% The format of the GetMagickThreadSupport method is:
|
||
%
|
||
% MagickStatusType GetMagickThreadSupport(const MagickInfo *magick_info)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o magick_info: The magick info.
|
||
%
|
||
*/
|
||
MagickExport MagickStatusType GetMagickThreadSupport(
|
||
const MagickInfo *magick_info)
|
||
{
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
|
||
assert(magick_info != (MagickInfo *) NULL);
|
||
assert(magick_info->signature == MagickCoreSignature);
|
||
return(magick_info->thread_support);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ I s M a g i c k T r e e I n s t a n t i a t e d %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% IsMagickTreeInstantiated() determines if the magick tree is instantiated.
|
||
% If not, it instantiates the tree and returns it.
|
||
%
|
||
% The format of the IsMagickTreeInstantiated() method is:
|
||
%
|
||
% IsMagickTreeInstantiated(Exceptioninfo *exception)
|
||
%
|
||
% A description of each parameter follows.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
|
||
static void *DestroyMagickNode(void *magick_info)
|
||
{
|
||
MagickInfo
|
||
*p;
|
||
|
||
p=(MagickInfo *) magick_info;
|
||
if (p->magick_module != (char *) NULL)
|
||
p->magick_module=DestroyString(p->magick_module);
|
||
if (p->note != (char *) NULL)
|
||
p->note=DestroyString(p->note);
|
||
if (p->mime_type != (char *) NULL)
|
||
p->mime_type=DestroyString(p->mime_type);
|
||
if (p->version != (char *) NULL)
|
||
p->version=DestroyString(p->version);
|
||
if (p->description != (char *) NULL)
|
||
p->description=DestroyString(p->description);
|
||
if (p->name != (char *) NULL)
|
||
p->name=DestroyString(p->name);
|
||
if (p->semaphore != (SemaphoreInfo *) NULL)
|
||
DestroySemaphoreInfo(&p->semaphore);
|
||
return(RelinquishMagickMemory(p));
|
||
}
|
||
|
||
static MagickBooleanType IsMagickTreeInstantiated(ExceptionInfo *exception)
|
||
{
|
||
if (magick_list_initialized == MagickFalse)
|
||
{
|
||
if (magick_semaphore == (SemaphoreInfo *) NULL)
|
||
ActivateSemaphoreInfo(&magick_semaphore);
|
||
LockSemaphoreInfo(magick_semaphore);
|
||
if (magick_list_initialized == MagickFalse)
|
||
{
|
||
MagickBooleanType
|
||
status;
|
||
|
||
MagickInfo
|
||
*magick_info;
|
||
|
||
magick_list=NewSplayTree(CompareSplayTreeString,(void *(*)(void *))
|
||
NULL,DestroyMagickNode);
|
||
if (magick_list == (SplayTreeInfo *) NULL)
|
||
ThrowFatalException(ResourceLimitFatalError,
|
||
"MemoryAllocationFailed");
|
||
magick_info=SetMagickInfo("clipmask");
|
||
magick_info->stealth=MagickTrue;
|
||
status=AddValueToSplayTree(magick_list,magick_info->name,magick_info);
|
||
if (status == MagickFalse)
|
||
ThrowFatalException(ResourceLimitFatalError,
|
||
"MemoryAllocationFailed");
|
||
#if defined(MAGICKCORE_MODULES_SUPPORT)
|
||
(void) GetModuleInfo((char *) NULL,exception);
|
||
#endif
|
||
magick_list_initialized=MagickTrue;
|
||
}
|
||
UnlockSemaphoreInfo(magick_semaphore);
|
||
}
|
||
return(magick_list != (SplayTreeInfo *) NULL ? MagickTrue : MagickFalse);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ I s M a g i c k C o n f l i c t %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% IsMagickConflict() returns MagickTrue if the image format conflicts with a
|
||
% logical drive (.e.g. X:).
|
||
%
|
||
% The format of the IsMagickConflict method is:
|
||
%
|
||
% MagickBooleanType IsMagickConflict(const char *magick)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o magick: Specifies the image format.
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType IsMagickConflict(const char *magick)
|
||
{
|
||
assert(magick != (char *) NULL);
|
||
#if defined(macintosh)
|
||
return(MACIsMagickConflict(magick));
|
||
#elif defined(vms)
|
||
return(VMSIsMagickConflict(magick));
|
||
#elif defined(MAGICKCORE_WINDOWS_SUPPORT)
|
||
return(NTIsMagickConflict(magick));
|
||
#else
|
||
return(MagickFalse);
|
||
#endif
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ L i s t M a g i c k I n f o %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% ListMagickInfo() lists the image formats to a file.
|
||
%
|
||
% The format of the ListMagickInfo method is:
|
||
%
|
||
% MagickBooleanType ListMagickInfo(FILE *file,ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows.
|
||
%
|
||
% o file: A file handle.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType ListMagickInfo(FILE *file,
|
||
ExceptionInfo *exception)
|
||
{
|
||
const MagickInfo
|
||
**magick_info;
|
||
|
||
ssize_t
|
||
i;
|
||
|
||
size_t
|
||
number_formats;
|
||
|
||
ssize_t
|
||
j;
|
||
|
||
if (file == (FILE *) NULL)
|
||
file=stdout;
|
||
magick_info=GetMagickInfoList("*",&number_formats,exception);
|
||
if (magick_info == (const MagickInfo **) NULL)
|
||
return(MagickFalse);
|
||
ClearMagickException(exception);
|
||
#if !defined(MAGICKCORE_MODULES_SUPPORT)
|
||
(void) FormatLocaleFile(file," Format Mode Description\n");
|
||
#else
|
||
(void) FormatLocaleFile(file," Format Module Mode Description\n");
|
||
#endif
|
||
(void) FormatLocaleFile(file,
|
||
"--------------------------------------------------------"
|
||
"-----------------------\n");
|
||
for (i=0; i < (ssize_t) number_formats; i++)
|
||
{
|
||
if (magick_info[i]->stealth != MagickFalse)
|
||
continue;
|
||
(void) FormatLocaleFile(file,"%9s%c ",
|
||
magick_info[i]->name != (char *) NULL ? magick_info[i]->name : "",
|
||
magick_info[i]->blob_support != MagickFalse ? '*' : ' ');
|
||
#if defined(MAGICKCORE_MODULES_SUPPORT)
|
||
{
|
||
char
|
||
magick_module[MaxTextExtent];
|
||
|
||
*magick_module='\0';
|
||
if (magick_info[i]->magick_module != (char *) NULL)
|
||
(void) CopyMagickString(magick_module,magick_info[i]->magick_module,
|
||
MaxTextExtent);
|
||
(void) ConcatenateMagickString(magick_module," ",MaxTextExtent);
|
||
magick_module[9]='\0';
|
||
(void) FormatLocaleFile(file,"%9s ",magick_module);
|
||
}
|
||
#endif
|
||
(void) FormatLocaleFile(file,"%c%c%c ",magick_info[i]->decoder ? 'r' : '-',
|
||
magick_info[i]->encoder ? 'w' : '-',magick_info[i]->encoder != NULL &&
|
||
magick_info[i]->adjoin != MagickFalse ? '+' : '-');
|
||
if (magick_info[i]->description != (char *) NULL)
|
||
(void) FormatLocaleFile(file," %s",magick_info[i]->description);
|
||
if (magick_info[i]->version != (char *) NULL)
|
||
(void) FormatLocaleFile(file," (%s)",magick_info[i]->version);
|
||
(void) FormatLocaleFile(file,"\n");
|
||
if (magick_info[i]->note != (char *) NULL)
|
||
{
|
||
char
|
||
**text;
|
||
|
||
text=StringToList(magick_info[i]->note);
|
||
if (text != (char **) NULL)
|
||
{
|
||
for (j=0; text[j] != (char *) NULL; j++)
|
||
{
|
||
(void) FormatLocaleFile(file," %s\n",text[j]);
|
||
text[j]=DestroyString(text[j]);
|
||
}
|
||
text=(char **) RelinquishMagickMemory(text);
|
||
}
|
||
}
|
||
}
|
||
(void) FormatLocaleFile(file,"\n* native blob support\n");
|
||
(void) FormatLocaleFile(file,"r read support\n");
|
||
(void) FormatLocaleFile(file,"w write support\n");
|
||
(void) FormatLocaleFile(file,"+ support for multiple images\n");
|
||
(void) fflush(file);
|
||
magick_info=(const MagickInfo **) RelinquishMagickMemory((void *)
|
||
magick_info);
|
||
return(MagickTrue);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% I s M a g i c k C o r e I n s t a n t i a t e d %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% IsMagickCoreInstantiated() returns MagickTrue if the ImageMagick environment
|
||
% is currently instantiated-- that is, MagickCoreGenesis() has been called but
|
||
% MagickCoreTerminus() has not.
|
||
%
|
||
% The format of the IsMagickCoreInstantiated method is:
|
||
%
|
||
% MagickBooleanType IsMagickCoreInstantiated(void)
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType IsMagickCoreInstantiated(void)
|
||
{
|
||
return(instantiate_magickcore);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ M a g i c k C o m p o n e n t G e n e s i s %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% MagickComponentGenesis() instantiates the magick component.
|
||
%
|
||
% The format of the MagickComponentGenesis method is:
|
||
%
|
||
% MagickBooleanType MagickComponentGenesis(void)
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType MagickComponentGenesis(void)
|
||
{
|
||
if (magick_semaphore == (SemaphoreInfo *) NULL)
|
||
magick_semaphore=AllocateSemaphoreInfo();
|
||
return(MagickTrue);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ M a g i c k C o m p o n e n t T e r m i n u s %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% MagickComponentTerminus() destroys the magick component.
|
||
%
|
||
% The format of the MagickComponentTerminus method is:
|
||
%
|
||
% void MagickComponentTerminus(void)
|
||
%
|
||
*/
|
||
MagickExport void MagickComponentTerminus(void)
|
||
{
|
||
if (magick_semaphore == (SemaphoreInfo *) NULL)
|
||
ActivateSemaphoreInfo(&magick_semaphore);
|
||
LockSemaphoreInfo(magick_semaphore);
|
||
if (magick_list != (SplayTreeInfo *) NULL)
|
||
{
|
||
magick_list=DestroySplayTree(magick_list);
|
||
magick_list_initialized=MagickFalse;
|
||
}
|
||
UnlockSemaphoreInfo(magick_semaphore);
|
||
DestroySemaphoreInfo(&magick_semaphore);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% M a g i c k C o r e G e n e s i s %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% MagickCoreGenesis() initializes the MagickCore environment.
|
||
%
|
||
% The format of the MagickCoreGenesis function is:
|
||
%
|
||
% MagickCoreGenesis(const char *path,
|
||
% const MagickBooleanType establish_signal_handlers)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o path: the execution path of the current ImageMagick client.
|
||
%
|
||
% o establish_signal_handlers: set to MagickTrue to use MagickCore's own
|
||
% signal handlers for common signals.
|
||
%
|
||
*/
|
||
|
||
static SignalHandler *SetMagickSignalHandler(int signal_number,
|
||
SignalHandler *handler)
|
||
{
|
||
#if defined(MAGICKCORE_HAVE_SIGACTION) && defined(MAGICKCORE_HAVE_SIGEMPTYSET)
|
||
int
|
||
status;
|
||
|
||
sigset_t
|
||
mask;
|
||
|
||
struct sigaction
|
||
action,
|
||
previous_action;
|
||
|
||
sigemptyset(&mask);
|
||
sigaddset(&mask,signal_number);
|
||
sigprocmask(SIG_BLOCK,&mask,NULL);
|
||
action.sa_mask=mask;
|
||
action.sa_handler=handler;
|
||
action.sa_flags=0;
|
||
#if defined(SA_INTERRUPT)
|
||
action.sa_flags|=SA_INTERRUPT;
|
||
#endif
|
||
#if defined(SA_ONSTACK)
|
||
action.sa_flags|=SA_ONSTACK;
|
||
#endif
|
||
previous_action.sa_handler=SIG_DFL;
|
||
status=sigaction(signal_number,&action,&previous_action);
|
||
if (status < 0)
|
||
return(SIG_ERR);
|
||
sigprocmask(SIG_UNBLOCK,&mask,NULL);
|
||
return(previous_action.sa_handler);
|
||
#else
|
||
return(signal(signal_number,handler));
|
||
#endif
|
||
}
|
||
|
||
static void MagickSignalHandler(int signal_number)
|
||
{
|
||
if (magickcore_signal_in_progress != MagickFalse)
|
||
(void) SetMagickSignalHandler(signal_number,signal_handlers[signal_number]);
|
||
magickcore_signal_in_progress=MagickTrue;
|
||
AsynchronousResourceComponentTerminus();
|
||
#if defined(SIGQUIT)
|
||
if (signal_number == SIGQUIT)
|
||
abort();
|
||
#endif
|
||
#if defined(SIGABRT)
|
||
if (signal_number == SIGABRT)
|
||
abort();
|
||
#endif
|
||
#if defined(SIGBUS)
|
||
if (signal_number == SIGBUS)
|
||
abort();
|
||
#endif
|
||
#if defined(SIGFPE)
|
||
if (signal_number == SIGFPE)
|
||
abort();
|
||
#endif
|
||
#if defined(SIGSEGV)
|
||
if (signal_number == SIGSEGV)
|
||
abort();
|
||
#endif
|
||
#if !defined(MAGICKCORE_HAVE__EXIT)
|
||
exit(signal_number);
|
||
#else
|
||
#if defined(SIGHUP)
|
||
if (signal_number == SIGHUP)
|
||
_exit(signal_number);
|
||
#endif
|
||
#if defined(SIGINT)
|
||
if (signal_number == SIGINT)
|
||
_exit(signal_number);
|
||
#endif
|
||
#if defined(SIGTERM)
|
||
if (signal_number == SIGTERM)
|
||
_exit(signal_number);
|
||
#endif
|
||
#if defined(MAGICKCORE_HAVE_RAISE)
|
||
if (signal_handlers[signal_number] != MagickSignalHandler)
|
||
raise(signal_number);
|
||
#endif
|
||
_exit(signal_number); /* do not invoke registered atexit() methods */
|
||
#endif
|
||
}
|
||
|
||
static SignalHandler *RegisterMagickSignalHandler(int signal_number)
|
||
{
|
||
SignalHandler
|
||
*handler;
|
||
|
||
handler=SetMagickSignalHandler(signal_number,MagickSignalHandler);
|
||
if (handler == SIG_ERR)
|
||
return(handler);
|
||
if (handler != SIG_DFL)
|
||
handler=SetMagickSignalHandler(signal_number,handler);
|
||
else
|
||
(void) LogMagickEvent(ConfigureEvent,GetMagickModule(),
|
||
"Register handler for signal: %d",signal_number);
|
||
return(handler);
|
||
}
|
||
|
||
MagickExport void MagickCoreGenesis(const char *path,
|
||
const MagickBooleanType establish_signal_handlers)
|
||
{
|
||
char
|
||
*events,
|
||
execution_path[MaxTextExtent],
|
||
filename[MaxTextExtent];
|
||
|
||
/*
|
||
Initialize the Magick environment.
|
||
*/
|
||
InitializeMagickMutex();
|
||
LockMagickMutex();
|
||
if (instantiate_magickcore != MagickFalse)
|
||
{
|
||
UnlockMagickMutex();
|
||
return;
|
||
}
|
||
(void) SemaphoreComponentGenesis();
|
||
(void) ExceptionComponentGenesis();
|
||
(void) LogComponentGenesis();
|
||
(void) LocaleComponentGenesis();
|
||
(void) RandomComponentGenesis();
|
||
events=GetEnvironmentValue("MAGICK_DEBUG");
|
||
if (events != (char *) NULL)
|
||
{
|
||
(void) SetLogEventMask(events);
|
||
events=DestroyString(events);
|
||
}
|
||
#if defined(MAGICKCORE_WINDOWS_SUPPORT)
|
||
NTWindowsGenesis();
|
||
#endif
|
||
/*
|
||
Set client name and execution path.
|
||
*/
|
||
#if defined(MAGICKCORE_WINDOWS_SUPPORT)
|
||
if ((path != (const char *) NULL) && (IsPathAccessible(path) != MagickFalse))
|
||
#else
|
||
if ((path != (const char *) NULL) && (*path == *DirectorySeparator) &&
|
||
(IsPathAccessible(path) != MagickFalse))
|
||
#endif
|
||
(void) CopyMagickString(execution_path,path,MaxTextExtent);
|
||
else
|
||
(void) GetExecutionPath(execution_path,MaxTextExtent);
|
||
GetPathComponent(execution_path,TailPath,filename);
|
||
(void) SetClientName(filename);
|
||
GetPathComponent(execution_path,HeadPath,execution_path);
|
||
(void) SetClientPath(execution_path);
|
||
if (establish_signal_handlers != MagickFalse)
|
||
{
|
||
/*
|
||
Set signal handlers.
|
||
*/
|
||
#if defined(SIGABRT)
|
||
if (signal_handlers[SIGABRT] == (SignalHandler *) NULL)
|
||
signal_handlers[SIGABRT]=RegisterMagickSignalHandler(SIGABRT);
|
||
#endif
|
||
#if defined(SIGBUS)
|
||
if (signal_handlers[SIGBUS] == (SignalHandler *) NULL)
|
||
signal_handlers[SIGBUS]=RegisterMagickSignalHandler(SIGBUS);
|
||
#endif
|
||
#if defined(SIGSEGV)
|
||
if (signal_handlers[SIGSEGV] == (SignalHandler *) NULL)
|
||
signal_handlers[SIGSEGV]=RegisterMagickSignalHandler(SIGSEGV);
|
||
#endif
|
||
#if defined(SIGFPE)
|
||
if (signal_handlers[SIGFPE] == (SignalHandler *) NULL)
|
||
signal_handlers[SIGFPE]=RegisterMagickSignalHandler(SIGFPE);
|
||
#endif
|
||
#if defined(SIGHUP)
|
||
if (signal_handlers[SIGHUP] == (SignalHandler *) NULL)
|
||
signal_handlers[SIGHUP]=RegisterMagickSignalHandler(SIGHUP);
|
||
#endif
|
||
#if defined(SIGINT)
|
||
if (signal_handlers[SIGINT] == (SignalHandler *) NULL)
|
||
signal_handlers[SIGINT]=RegisterMagickSignalHandler(SIGINT);
|
||
#endif
|
||
#if defined(SIGQUIT)
|
||
if (signal_handlers[SIGQUIT] == (SignalHandler *) NULL)
|
||
signal_handlers[SIGQUIT]=RegisterMagickSignalHandler(SIGQUIT);
|
||
#endif
|
||
#if defined(SIGTERM)
|
||
if (signal_handlers[SIGTERM] == (SignalHandler *) NULL)
|
||
signal_handlers[SIGTERM]=RegisterMagickSignalHandler(SIGTERM);
|
||
#endif
|
||
#if defined(SIGXCPU)
|
||
if (signal_handlers[SIGXCPU] == (SignalHandler *) NULL)
|
||
signal_handlers[SIGXCPU]=RegisterMagickSignalHandler(SIGXCPU);
|
||
#endif
|
||
#if defined(SIGXFSZ)
|
||
if (signal_handlers[SIGXFSZ] == (SignalHandler *) NULL)
|
||
signal_handlers[SIGXFSZ]=RegisterMagickSignalHandler(SIGXFSZ);
|
||
#endif
|
||
}
|
||
/*
|
||
Instantiate magick resources.
|
||
*/
|
||
(void) ConfigureComponentGenesis();
|
||
(void) PolicyComponentGenesis();
|
||
(void) CacheComponentGenesis();
|
||
(void) ResourceComponentGenesis();
|
||
(void) CoderComponentGenesis();
|
||
(void) MagickComponentGenesis();
|
||
#if defined(MAGICKCORE_MODULES_SUPPORT)
|
||
(void) ModuleComponentGenesis();
|
||
#endif
|
||
(void) DelegateComponentGenesis();
|
||
(void) MagicComponentGenesis();
|
||
(void) ColorComponentGenesis();
|
||
(void) TypeComponentGenesis();
|
||
(void) MimeComponentGenesis();
|
||
(void) AnnotateComponentGenesis();
|
||
#if defined(MAGICKCORE_X11_DELEGATE)
|
||
(void) XComponentGenesis();
|
||
#endif
|
||
(void) RegistryComponentGenesis();
|
||
(void) MonitorComponentGenesis();
|
||
instantiate_magickcore=MagickTrue;
|
||
UnlockMagickMutex();
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% M a g i c k C o r e T e r m i n u s %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% MagickCoreTerminus() destroys the MagickCore environment.
|
||
%
|
||
% The format of the MagickCoreTerminus function is:
|
||
%
|
||
% MagickCoreTerminus(void)
|
||
%
|
||
*/
|
||
MagickExport void MagickCoreTerminus(void)
|
||
{
|
||
InitializeMagickMutex();
|
||
LockMagickMutex();
|
||
if (instantiate_magickcore == MagickFalse)
|
||
{
|
||
UnlockMagickMutex();
|
||
return;
|
||
}
|
||
MonitorComponentTerminus();
|
||
RegistryComponentTerminus();
|
||
#if defined(MAGICKCORE_X11_DELEGATE)
|
||
XComponentTerminus();
|
||
#endif
|
||
#if defined(MAGICKCORE_XML_DELEGATE)
|
||
xmlCleanupParser();
|
||
#endif
|
||
AnnotateComponentTerminus();
|
||
MimeComponentTerminus();
|
||
TypeComponentTerminus();
|
||
#if defined(MAGICKCORE_OPENCL_SUPPORT)
|
||
OpenCLTerminus();
|
||
#endif
|
||
ColorComponentTerminus();
|
||
#if defined(MAGICKCORE_WINDOWS_SUPPORT)
|
||
NTWindowsTerminus();
|
||
#endif
|
||
MagicComponentTerminus();
|
||
DelegateComponentTerminus();
|
||
MagickComponentTerminus();
|
||
#if !defined(MAGICKCORE_BUILD_MODULES)
|
||
UnregisterStaticModules();
|
||
#endif
|
||
#if defined(MAGICKCORE_MODULES_SUPPORT)
|
||
ModuleComponentTerminus();
|
||
#endif
|
||
CoderComponentTerminus();
|
||
AsynchronousResourceComponentTerminus();
|
||
ResourceComponentTerminus();
|
||
CacheComponentTerminus();
|
||
PolicyComponentTerminus();
|
||
ConfigureComponentTerminus();
|
||
RandomComponentTerminus();
|
||
LocaleComponentTerminus();
|
||
LogComponentTerminus();
|
||
ExceptionComponentTerminus();
|
||
instantiate_magickcore=MagickFalse;
|
||
UnlockMagickMutex();
|
||
SemaphoreComponentTerminus();
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ R e g i s t e r M a g i c k I n f o %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% RegisterMagickInfo() adds attributes for a particular image format to the
|
||
% list of supported formats. The attributes include the image format name,
|
||
% a method to read and/or write the format, whether the format supports the
|
||
% saving of more than one frame to the same file or blob, whether the format
|
||
% supports native in-memory I/O, and a brief description of the format.
|
||
%
|
||
% The format of the RegisterMagickInfo method is:
|
||
%
|
||
% MagickInfo *RegisterMagickInfo(MagickInfo *magick_info)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o magick_info: the magick info.
|
||
%
|
||
*/
|
||
MagickExport MagickInfo *RegisterMagickInfo(MagickInfo *magick_info)
|
||
{
|
||
MagickBooleanType
|
||
status;
|
||
|
||
/*
|
||
Register a new image format.
|
||
*/
|
||
assert(magick_info != (MagickInfo *) NULL);
|
||
assert(magick_info->signature == MagickCoreSignature);
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",magick_info->name);
|
||
if (magick_list == (SplayTreeInfo *) NULL)
|
||
return((MagickInfo *) NULL);
|
||
if (((magick_info->thread_support & DecoderThreadSupport) == 0) ||
|
||
((magick_info->thread_support & EncoderThreadSupport) == 0))
|
||
magick_info->semaphore=AllocateSemaphoreInfo();
|
||
status=AddValueToSplayTree(magick_list,magick_info->name,magick_info);
|
||
if (status == MagickFalse)
|
||
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
|
||
return(magick_info);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ S e t M a g i c k I n f o %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% SetMagickInfo() allocates a MagickInfo structure and initializes the members
|
||
% to default values.
|
||
%
|
||
% The format of the SetMagickInfo method is:
|
||
%
|
||
% MagickInfo *SetMagickInfo(const char *name)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o magick_info: Method SetMagickInfo returns the allocated and initialized
|
||
% MagickInfo structure.
|
||
%
|
||
% o name: a character string that represents the image format associated
|
||
% with the MagickInfo structure.
|
||
%
|
||
*/
|
||
MagickExport MagickInfo *SetMagickInfo(const char *name)
|
||
{
|
||
MagickInfo
|
||
*magick_info;
|
||
|
||
assert(name != (const char *) NULL);
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",name);
|
||
magick_info=(MagickInfo *) AcquireMagickMemory(sizeof(*magick_info));
|
||
if (magick_info == (MagickInfo *) NULL)
|
||
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
|
||
(void) memset(magick_info,0,sizeof(*magick_info));
|
||
magick_info->name=ConstantString(name);
|
||
magick_info->adjoin=MagickTrue;
|
||
magick_info->blob_support=MagickTrue;
|
||
magick_info->thread_support=(MagickStatusType) (DecoderThreadSupport |
|
||
EncoderThreadSupport);
|
||
magick_info->signature=MagickCoreSignature;
|
||
return(magick_info);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% S e t M a g i c k P r e c i s i o n %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% SetMagickPrecision() sets the maximum number of significant digits to be
|
||
% printed.
|
||
%
|
||
% An input argument of 0 returns the current precision setting.
|
||
%
|
||
% A negative value forces the precision to reset to a default value according
|
||
% to the environment variable "MAGICK_PRECISION", the current 'policy'
|
||
% configuration setting, or the default value of '6', in that order.
|
||
%
|
||
% The format of the SetMagickPrecision method is:
|
||
%
|
||
% int SetMagickPrecision(const int precision)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o precision: set the maximum number of significant digits to be printed.
|
||
%
|
||
*/
|
||
MagickExport int SetMagickPrecision(const int precision)
|
||
{
|
||
#define MagickPrecision (4+MAGICKCORE_QUANTUM_DEPTH/8)
|
||
|
||
static int
|
||
magick_precision = 0;
|
||
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
|
||
if (precision > 0)
|
||
magick_precision=precision;
|
||
if ((precision < 0) || (magick_precision == 0))
|
||
{
|
||
char
|
||
*limit;
|
||
|
||
/*
|
||
Precision reset, or it has not been set yet.
|
||
*/
|
||
magick_precision=MagickPrecision;
|
||
limit=GetEnvironmentValue("MAGICK_PRECISION");
|
||
if (limit == (char *) NULL)
|
||
limit=GetPolicyValue("system:precision");
|
||
if (limit != (char *) NULL)
|
||
{
|
||
magick_precision=StringToInteger(limit);
|
||
limit=DestroyString(limit);
|
||
}
|
||
}
|
||
return(magick_precision);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ U n r e g i s t e r M a g i c k I n f o %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% UnregisterMagickInfo() removes a name from the magick info list. It returns
|
||
% MagickFalse if the name does not exist in the list otherwise MagickTrue.
|
||
%
|
||
% The format of the UnregisterMagickInfo method is:
|
||
%
|
||
% MagickBooleanType UnregisterMagickInfo(const char *name)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o name: a character string that represents the image format we are
|
||
% looking for.
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType UnregisterMagickInfo(const char *name)
|
||
{
|
||
const MagickInfo
|
||
*p;
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
assert(name != (const char *) NULL);
|
||
if (magick_list == (SplayTreeInfo *) NULL)
|
||
return(MagickFalse);
|
||
if (GetNumberOfNodesInSplayTree(magick_list) == 0)
|
||
return(MagickFalse);
|
||
LockSemaphoreInfo(magick_semaphore);
|
||
ResetSplayTreeIterator(magick_list);
|
||
p=(const MagickInfo *) GetNextValueInSplayTree(magick_list);
|
||
while (p != (const MagickInfo *) NULL)
|
||
{
|
||
if (LocaleCompare(p->name,name) == 0)
|
||
break;
|
||
p=(const MagickInfo *) GetNextValueInSplayTree(magick_list);
|
||
}
|
||
status=DeleteNodeByValueFromSplayTree(magick_list,p);
|
||
UnlockSemaphoreInfo(magick_semaphore);
|
||
return(status);
|
||
}
|