X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmJpeg.cxx;h=3d11de65781c9b6cf9218726d320e50da6f18f3b;hb=8d704be3e460a26db22f2d41dbaf02811bc71a45;hp=66a6dca66289224b3200d18e7242790fef72588b;hpb=1dd2c40c0da9098b444ad53b0e3c23da808997fa;p=gdcm.git diff --git a/src/gdcmJpeg.cxx b/src/gdcmJpeg.cxx index 66a6dca6..3d11de65 100644 --- a/src/gdcmJpeg.cxx +++ b/src/gdcmJpeg.cxx @@ -3,8 +3,8 @@ Program: gdcm Module: $RCSfile: gdcmJpeg.cxx,v $ Language: C++ - Date: $Date: 2005/01/31 04:00:04 $ - Version: $Revision: 1.39 $ + Date: $Date: 2005/02/11 20:04:08 $ + Version: $Revision: 1.48 $ Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de l'Image). All rights reserved. See Doc/License.txt or @@ -56,11 +56,11 @@ namespace gdcm * @return 1 on success, 0 on error */ -bool gdcm_write_JPEG_file (std::ofstream* fp, void* im_buf, +bool gdcm_write_JPEG_file (std::ofstream *fp, void *im_buf, int image_width, int image_height, int quality) { - JSAMPLE* image_buffer = (JSAMPLE*) im_buf; + JSAMPLE *image_buffer = (JSAMPLE*) im_buf; /* This struct contains the JPEG compression parameters and pointers to * working space (which is allocated as needed by the JPEG library). @@ -170,10 +170,9 @@ bool gdcm_write_JPEG_file (std::ofstream* fp, void* im_buf, /* And we're done! */ - return true; //??? + return true; } - //----------------------------------------------------------------------------- struct my_error_mgr { struct jpeg_error_mgr pub; /* "public" fields */ @@ -185,6 +184,7 @@ typedef struct my_error_mgr* my_error_ptr; /* * Here's the routine that will replace the standard error_exit method: */ +extern "C" { METHODDEF(void) my_error_exit (j_common_ptr cinfo) { /* cinfo->err really points to a my_error_mgr struct, so coerce pointer */ my_error_ptr myerr = (my_error_ptr) cinfo->err; @@ -197,6 +197,18 @@ METHODDEF(void) my_error_exit (j_common_ptr cinfo) { longjmp(myerr->setjmp_buffer, 1); } +//METHODDEF(void) my_output_message (j_common_ptr cinfo) +//{ +// char buffer[JMSG_LENGTH_MAX]; +// +// /* Create the message */ +// (*cinfo->err->format_message) (cinfo, buffer); +// +// // Custom display message, we could be more fancy and throw an exception: +// gdcmErrorMacro( buffer ); +//} + +} //----------------------------------------------------------------------------- /** @@ -208,7 +220,7 @@ METHODDEF(void) my_error_exit (j_common_ptr cinfo) { * @return 1 on success, 0 on error */ void *SampBuffer; -bool JPEGFragment::ReadJPEGFile (std::ifstream* fp, void* image_buffer , int& statesuspension) +bool JPEGFragment::ReadJPEGFile (std::ifstream *fp, void *image_buffer, int &statesuspension) { pImage = (uint8_t*)image_buffer; // This struct contains the JPEG decompression parameters and pointers to @@ -243,8 +255,11 @@ bool JPEGFragment::ReadJPEGFile (std::ifstream* fp, void* image_buffer , int& st // We set up the normal JPEG error routines, then override error_exit. cinfo.err = jpeg_std_error(&jerr.pub); + // for any jpeg error call my_error_exit 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)) { @@ -274,7 +289,7 @@ bool JPEGFragment::ReadJPEGFile (std::ifstream* fp, void* image_buffer , int& st // 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 ) @@ -322,7 +337,7 @@ bool JPEGFragment::ReadJPEGFile (std::ifstream* fp, void* image_buffer , int& st 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