Program: gdcm
Module: $RCSfile: gdcmJpeg.cxx,v $
Language: C++
- Date: $Date: 2005/02/05 15:15:26 $
- Version: $Revision: 1.46 $
+ Date: $Date: 2005/06/24 10:55:59 $
+ Version: $Revision: 1.49 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
jerr.pub.error_exit = my_error_exit;
// for any output message call my_output_message
//jerr.pub.output_message = my_output_message;
-
+
// Establish the setjmp return context for my_error_exit to use.
if (setjmp(jerr.setjmp_buffer))
{
return 0;
}
// Now we can initialize the JPEG decompression object.
- if( statesuspension == 0 )
+ if ( statesuspension == 0 )
{
jpeg_create_decompress(&cinfo);
jpeg_stdio_src(&cinfo, fp, this, 1);
}
// Step 3: read file parameters with jpeg_read_header()
- if( statesuspension < 2 )
+ if ( statesuspension < 2 )
{
- if( jpeg_read_header(&cinfo, TRUE) == JPEG_SUSPENDED )
+ if ( jpeg_read_header(&cinfo, TRUE) == JPEG_SUSPENDED )
{
// Suspension in jpeg_read_header
statesuspension = 2;
}
-
+
// Step 4: set parameters for decompression
// prevent the library from performing any color space conversion
- if( cinfo.process == JPROC_LOSSLESS )
+ if ( cinfo.process == JPROC_LOSSLESS )
{
cinfo.jpeg_color_space = JCS_UNKNOWN;
cinfo.out_color_space = JCS_UNKNOWN;
}
// Step 5: Start decompressor
- if(statesuspension < 3 )
+ if (statesuspension < 3 )
{
- if( jpeg_start_decompress(&cinfo) == FALSE )
+ if ( jpeg_start_decompress(&cinfo) == FALSE )
{
// Suspension: jpeg_start_decompress
statesuspension = 3;
while (cinfo.output_scanline < cinfo.output_height)
{
- if( jpeg_read_scanlines(&cinfo, buffer, 1) == 0 )
+ if ( jpeg_read_scanlines(&cinfo, buffer, 1) == 0 )
{
// Suspension in jpeg_read_scanlines
statesuspension = 3;
return true;
}
// The ijg has no notion of big endian, therefore always swap the jpeg stream
-#if defined(GDCM_WORDS_BIGENDIAN) && (CMAKE_BITS_IN_JSAMPLE != 8)
+#if (defined(GDCM_WORDS_BIGENDIAN) || defined(GDCM_FORCE_BIGENDIAN_EMULATION)) && (CMAKE_BITS_IN_JSAMPLE != 8)
uint16_t *buffer16 = (uint16_t*)*buffer;
uint16_t *pimage16 = (uint16_t*)pImage;
for(unsigned int i=0;i<rowsize/2;i++)
}
// Step 7: Finish decompression
- if( jpeg_finish_decompress(&cinfo) == FALSE )
+ if ( jpeg_finish_decompress(&cinfo) == FALSE )
{
// Suspension: jpeg_finish_decompress
statesuspension = 4;