@ -15,6 +15,7 @@
# ifdef HAVE_STDINT_H
# include <stdint.h>
# endif
# include <kdebug.h>
# include <tdetempfile.h>
# include <tqcolor.h>
# include <tqcstring.h>
@ -57,7 +58,7 @@ read_image( const TQImageIO* io )
tempf = new KTempFile ( ) ;
if ( tempf - > status ( ) ! = 0 ) {
delete tempf ;
return 0 ;
return nullptr ;
} // if
tempf - > setAutoDelete ( true ) ;
TQFile * out = tempf - > file ( ) ;
@ -76,7 +77,7 @@ read_image( const TQImageIO* io )
} // else
if ( ! in ) {
delete tempf ;
return 0 ;
return nullptr ;
} // if
jas_image_t * image = jas_image_decode ( in , - 1 , 0 ) ;
@ -148,16 +149,77 @@ render_view( gs_t& gs, TQImage& qti )
return true ;
} // render_view
static bool initializeJasper ( )
{
# if defined(JAS_VERSION_MAJOR) && (JAS_VERSION_MAJOR >= 3)
jas_conf_clear ( ) ;
// Limit JasPer memory usage to at most 512 MB
size_t memoryLimit = ( 512 * 1024 ) * 1024 ;
size_t jasperTotalMemory = jas_get_total_mem_size ( ) ;
if ( ! jasperTotalMemory )
{
jasperTotalMemory = JAS_DEFAULT_MAX_MEM_USAGE ;
}
memoryLimit = memoryLimit < jasperTotalMemory ? memoryLimit : jasperTotalMemory ;
jas_conf_set_max_mem_usage ( memoryLimit ) ;
if ( jas_init_library ( ) )
{
return false ;
}
if ( jas_init_thread ( ) )
{
jas_cleanup_library ( ) ;
return false ;
}
# else
if ( jas_init ( ) )
{
return false ;
}
# endif // defined(JAS_VERSION_MAJOR) && (JAS_VERSION_MAJOR >= 3)
return true ;
}
static void cleanupJasper ( )
{
# if defined(JAS_VERSION_MAJOR) && (JAS_VERSION_MAJOR >= 3)
jas_cleanup_thread ( ) ;
jas_cleanup_library ( ) ;
# endif
}
TDE_EXPORT void
kimgio_jp2_read ( TQImageIO * io )
{
if ( jas_init ( ) ) return ;
if ( ! initializeJasper ( ) )
{
kdError ( 399 ) < < " Failed to initialize JasPer library " < < endl ;
return ;
}
gs_t gs ;
if ( ! ( gs . image = read_image ( io ) ) ) return ;
gs . image = read_image ( io ) ;
if ( ! convert_colorspace ( gs ) ) return ;
if ( ! gs . image )
{
kdError ( 399 ) < < " Failed to read JP2 image from IO. " < < endl ;
cleanupJasper ( ) ;
return ;
}
if ( ! convert_colorspace ( gs ) )
{
kdError ( 399 ) < < " Could not convert JP2 colorspace. " < < endl ;
cleanupJasper ( ) ;
return ;
}
TQImage image ;
render_view ( gs , image ) ;
@ -165,6 +227,8 @@ kimgio_jp2_read( TQImageIO* io )
if ( gs . image ) jas_image_destroy ( gs . image ) ;
if ( gs . altimage ) jas_image_destroy ( gs . altimage ) ;
cleanupJasper ( ) ;
io - > setImage ( image ) ;
io - > setStatus ( 0 ) ;
} // kimgio_jp2_read
@ -236,7 +300,11 @@ write_components( jas_image_t* ji, const TQImage& qi )
TDE_EXPORT void
kimgio_jp2_write ( TQImageIO * io )
{
if ( jas_init ( ) ) return ;
if ( ! initializeJasper ( ) )
{
kdError ( 399 ) < < " Failed to initialize JasPer library. " < < endl ;
return ;
}
// open the stream. we write directly to the file if possible, to a
// temporary file otherwise.
@ -255,12 +323,19 @@ kimgio_jp2_write( TQImageIO* io )
// by here, a jas_stream_t is open
if ( ! stream ) return ;
if ( ! stream )
{
kdError ( 399 )
< < " Failed to create a stream to write JP2 image " < < endl ;
cleanupJasper ( ) ;
return ;
}
jas_image_t * ji = create_image ( io - > image ( ) ) ;
if ( ! ji ) {
delete ktempf ;
jas_stream_close ( stream ) ;
cleanupJasper ( ) ;
return ;
} // if
@ -268,6 +343,7 @@ kimgio_jp2_write( TQImageIO* io )
delete ktempf ;
jas_stream_close ( stream ) ;
jas_image_destroy ( ji ) ;
cleanupJasper ( ) ;
return ;
} // if
@ -292,6 +368,7 @@ kimgio_jp2_write( TQImageIO* io )
jas_image_destroy ( ji ) ;
jas_stream_close ( stream ) ;
cleanupJasper ( ) ;
if ( i ! = 0 ) { delete ktempf ; return ; }