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ImageMagick-6.1.1/coders/jp2.c File Reference

#include "magick/studio.h"
#include "magick/blob.h"
#include "magick/blob_private.h"
#include "magick/colorspace.h"
#include "magick/color.h"
#include "magick/color_private.h"
#include "magick/error.h"
#include "magick/error_private.h"
#include "magick/image.h"
#include "magick/image_private.h"
#include "magick/list.h"
#include "magick/magick.h"
#include "magick/memory_.h"
#include "magick/monitor.h"
#include "magick/option.h"
#include "magick/static.h"
#include "magick/string_.h"

Include dependency graph for jp2.c:

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Go to the source code of this file.

Functions

MagickBooleanType IsJP2 (const unsigned char *magick, const size_t length)
MagickBooleanType IsJPC (const unsigned char *magick, const size_t length)
ModuleExport void RegisterJP2Image (void)
ModuleExport void UnregisterJP2Image (void)

Function Documentation

MagickBooleanType IsJP2 (  const unsigned char *  magick,
const size_t  length
)  [static]
 

Definition at line 114 of file jp2.c.

References MagickBooleanType, MagickFalse, and MagickTrue.

Referenced by RegisterJP2Image(). 

00115 {
00116   if (length < 9)
00117     return(MagickFalse);
00118   if (memcmp(magick+4,"\152\120\040\040\015",5) == 0)
00119     return(MagickTrue);
00120   return(MagickFalse);
00121 }

MagickBooleanType IsJPC (  const unsigned char *  magick,
const size_t  length
)  [static]
 

Definition at line 150 of file jp2.c.

References MagickBooleanType, MagickFalse, and MagickTrue.

Referenced by RegisterJP2Image(). 

00151 {
00152   if (length < 2)
00153     return(MagickFalse);
00154   if (memcmp(magick,"\377\117",2) == 0)
00155     return(MagickTrue);
00156   return(MagickFalse);
00157 }

ModuleExport void RegisterJP2Image (  void   ) 
 

Definition at line 560 of file jp2.c.

References AcquireString(), _MagickInfo::adjoin, _MagickInfo::decoder, DecoderHandler, _MagickInfo::description, _MagickInfo::encoder, EncoderHandler, IsJP2(), IsJPC(), _MagickInfo::magick, MagickFalse, MagickHandler, MagickTrue, _MagickInfo::module, ModuleExport, RegisterMagickInfo(), _MagickInfo::seekable_stream, SetMagickInfo(), and _MagickInfo::thread_support.

Referenced by RegisterStaticModules(). 

00561 {
00562   MagickInfo
00563     *entry;
00564 
00565   entry=SetMagickInfo("JP2");
00566   entry->description=AcquireString("JPEG-2000 JP2 File Format Syntax");
00567   entry->module=AcquireString("JP2");
00568   entry->magick=(MagickHandler *) IsJP2;
00569   entry->adjoin=MagickFalse;
00570   entry->seekable_stream=MagickTrue;
00571   entry->thread_support=MagickFalse;
00572 #if defined(HasJP2)
00573   entry->decoder=(DecoderHandler *) ReadJP2Image;
00574   entry->encoder=(EncoderHandler *) WriteJP2Image;
00575 #endif
00576   (void) RegisterMagickInfo(entry);
00577   entry=SetMagickInfo("JPC");
00578   entry->description=AcquireString("JPEG-2000 Code Stream Syntax");
00579   entry->module=AcquireString("JPC");
00580   entry->magick=(MagickHandler *) IsJPC;
00581   entry->adjoin=MagickFalse;
00582   entry->seekable_stream=MagickTrue;
00583   entry->thread_support=MagickFalse;
00584 #if defined(HasJP2)
00585   entry->decoder=(DecoderHandler *) ReadJP2Image;
00586   entry->encoder=(EncoderHandler *) WriteJP2Image;
00587 #endif
00588   (void) RegisterMagickInfo(entry);
00589   entry=SetMagickInfo("PGX");
00590   entry->description=AcquireString("JPEG-2000 VM Format");
00591   entry->module=AcquireString("PGX");
00592   entry->magick=(MagickHandler *) IsJPC;
00593   entry->adjoin=MagickFalse;
00594   entry->seekable_stream=MagickTrue;
00595   entry->thread_support=MagickFalse;
00596 #if defined(HasJP2)
00597   entry->decoder=(DecoderHandler *) ReadJP2Image;
00598 #endif
00599   (void) RegisterMagickInfo(entry);
00600 }

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ModuleExport void UnregisterJP2Image (  void   ) 
 

Definition at line 621 of file jp2.c.

References ModuleExport, and UnregisterMagickInfo().

Referenced by UnregisterStaticModules(). 

00622 {
00623   (void) UnregisterMagickInfo("JP2");
00624   (void) UnregisterMagickInfo("JPC");
00625   (void) UnregisterMagickInfo("PGX");
00626 }

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Generated on Mon Oct 25 13:42:32 2004 for ImageMagick by doxygen 1.3.7
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