X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmJpeg12.cxx;h=18d0787c184404ed5ef2fe9c55510928cad76eff;hb=67845c7dc1241480f5c5fcfa0cfc2e86918dad1e;hp=f67a3fa6af190c1313dde90a9f596af36d94f886;hpb=be70f5cdc8ac472bff8ad8a36637457fe49778bd;p=gdcm.git diff --git a/src/gdcmJpeg12.cxx b/src/gdcmJpeg12.cxx index f67a3fa6..18d0787c 100644 --- a/src/gdcmJpeg12.cxx +++ b/src/gdcmJpeg12.cxx @@ -1,77 +1,22 @@ -// gdcmJpeg12.cxx -//----------------------------------------------------------------------------- -#include -#include "gdcmFile.h" +/*========================================================================= + + Program: gdcm + Module: $RCSfile: gdcmJpeg12.cxx,v $ + Language: C++ + Date: $Date: 2004/10/08 04:52:55 $ + Version: $Revision: 1.17 $ + + Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de + l'Image). All rights reserved. See Doc/License.txt or + http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details. + + This software is distributed WITHOUT ANY WARRANTY; without even + the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR + PURPOSE. See the above copyright notices for more information. + +=========================================================================*/ -#define BITS_IN_JSAMPLE 12 - -// BITS_IN_JSAMPLE is a compile time defined options. -// We need both 8 an 12; -// To avoid renaming *all* the Jpeg functions, -// we hard code the 'brain damaged liker' option. -// For all the functions, we shall have the 8 and 12 version -// (8 with the 'long' name, 12 with the 'short' name) - -#define jpeg_read_header jReadHeader -#define my_error_exit myErrorExit -#define jpeg_destroy_decompress jDestDecompress -#define jpeg_stdio_src jStdSrc -#define jpeg_read_header jReadHeader -#define jpeg_read_scanlines jReadScanlines -#define jpeg_finish_decompress jFinDecompress -#define jpeg_create_decompress jCreaDecompress - -// ----------------- -#define jpeg_std_error jStdError -#define jpeg_CreateCompress jCreaCompress -#define jpeg_CreateDecompress jCreaDecompress -#define jpeg_destroy_compress jDestCompress -#define jpeg_destroy_decompress jDestDecompress -#define jpeg_stdio_dest jStdDest -#define jpeg_stdio_src jStdSrc -#define jpeg_set_defaults jSetDefaults -#define jpeg_set_colorspace jSetColorspace -#define jpeg_default_colorspace jDefColorspace -#define jpeg_set_quality jSetQuality -#define jpeg_set_linear_quality jSetLQuality -#define jpeg_add_quant_table jAddQuantTable -#define jpeg_quality_scaling jQualityScaling -#define jpeg_simple_progression jSimProgress -#define jpeg_suppress_tables jSuppressTables -#define jpeg_alloc_quant_table jAlcQTable -#define jpeg_alloc_huff_table jAlcHTable -#define jpeg_start_compress jStrtCompress -#define jpeg_write_scanlines jWrtScanlines -#define jpeg_finish_compress jFinCompress -#define jpeg_write_raw_data jWrtRawData -#define jpeg_write_marker jWrtMarker -#define jpeg_write_m_header jWrtMHeader -#define jpeg_write_m_byte jWrtMByte -#define jpeg_write_tables jWrtTables -#define jpeg_read_header jReadHeader -#define jpeg_start_decompress jStrtDecompress -#define jpeg_read_scanlines jReadScanlines -#define jpeg_finish_decompress jFinDecompress -#define jpeg_read_raw_data jReadRawData -#define jpeg_has_multiple_scans jHasMultScn -#define jpeg_start_output jStrtOutput -#define jpeg_finish_output jFinOutput -#define jpeg_input_complete jInComplete -#define jpeg_new_colormap jNewCMap -#define jpeg_consume_input jConsumeInput -#define jpeg_calc_output_dimensions jCalcDimensions -#define jpeg_save_markers jSaveMarkers -#define jpeg_set_marker_processor jSetMarker -#define jpeg_read_coefficients jReadCoefs -#define jpeg_write_coefficients jWrtCoefs -#define jpeg_copy_critical_parameters jCopyCrit -#define jpeg_abort_compress jAbrtCompress -#define jpeg_abort_decompress jAbrtDecompress -#define jpeg_abort jAbort -#define jpeg_destroy jDestroy -#define jpeg_resync_to_restart jResyncRestart - -#define DEBUG 0 +#include "gdcmFile.h" /* * is used for the optional error recovery mechanism shown in @@ -87,9 +32,29 @@ */ extern "C" { -#include "jpeg/libijg12/jpeglib12.h" +#include +#include "src/jpeg/libijg12/jconfig.h" +#include "src/jpeg/libijg12/jpeglib.h" +//#include "jconfig12.h" #include } +/******************** JPEG COMPRESSION SAMPLE INTERFACE *******************/ + +// +// TODO +// + +bool gdcm_write_JPEG_file12 (FILE* fp, void* im_buff, + int image_width, int image_heigh, int quality) +{ + (void)fp; + (void)im_buff; + (void)image_width; + (void)image_heigh; + (void)quality; + + return true; //??? +} /******************** JPEG DECOMPRESSION SAMPLE INTERFACE *******************/ @@ -132,27 +97,26 @@ extern "C" { //----------------------------------------------------------------------------- struct my_error_mgr { - struct jpeg_error_mgr pub; /* "public" fields */ - jmp_buf setjmp_buffer; /* for return to caller */ + struct jpeg_error_mgr pub; /* "public" fields */ + jmp_buf setjmp_buffer; /* for return to caller */ }; +//----------------------------------------------------------------------------- typedef struct my_error_mgr * my_error_ptr; -//----------------------------------------------------------------------------- /* * Here's the routine that will replace the standard error_exit method: */ -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; +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; - /* Always display the message. */ - /* We could postpone this until after returning, if we chose. */ - (*cinfo->err->output_message) (cinfo); + /* Always display the message. */ + /* We could postpone this until after returning, if we chose. */ + (*cinfo->err->output_message) (cinfo); - /* Return control to the setjmp point */ - longjmp(myerr->setjmp_buffer, 1); + /* Return control to the setjmp point */ + longjmp(myerr->setjmp_buffer, 1); } @@ -171,21 +135,20 @@ my_error_exit (j_common_ptr cinfo) { * @return 1 on success, 0 on error */ -bool gdcmFile::gdcm_read_JPEG_file12 (FILE *fp,void * image_buffer) { +bool gdcmFile::gdcm_read_JPEG_file12 (FILE* fp,void* image_buffer) { char *pimage; /* This struct contains the JPEG decompression parameters and pointers to * working space (which is allocated as needed by the JPEG library). */ - struct jpeg_decompress_struct cinfo; /* -------------- inside, we found : - * JDIMENSION image_width; // input image width - * JDIMENSION image_height; // input image height - * int input_components; // nb of color components in input image - * J_COLOR_SPACE in_color_space; // colorspace of input image - * double input_gamma; // image gamma of input image + * JDIMENSION image_width; // input image width + * JDIMENSION image_height; // input image height + * int input_components; // nb of color components in input image + * J_COLOR_SPACE in_color_space;// colorspace of input image + * double input_gamma; // image gamma of input image * -------------- */ /* We use our private extension JPEG error handler. @@ -195,20 +158,19 @@ bool gdcmFile::gdcm_read_JPEG_file12 (FILE *fp,void * image_buffer) { struct my_error_mgr jerr; /* More stuff */ - JSAMPARRAY buffer; /* Output row buffer */ + JSAMPARRAY buffer;/* Output row buffer */ // rappel : // ------ // typedef unsigned char JSAMPLE; - // typedef JSAMPLE FAR *JSAMPROW; /* ptr to one image row of pixel samples. */ - // typedef JSAMPROW *JSAMPARRAY; /* ptr to some rows (a 2-D sample array) */ - // typedef JSAMPARRAY *JSAMPIMAGE; /* a 3-D sample array: top index is color */ - - - int row_stride; /* physical row width in output buffer */ - - if (DEBUG) printf("entree dans gdcmFile::gdcm_read_JPEG_file12, depuis gdcmJpeg\n"); + // typedef JSAMPLE FAR *JSAMPROW;/* ptr to one image row of pixel samples. */ + // typedef JSAMPROW *JSAMPARRAY;/* ptr to some rows (a 2-D sample array) */ + // typedef JSAMPARRAY *JSAMPIMAGE;/* a 3-D sample array: top index is color */ + int row_stride;/* physical row width in output buffer */ +#ifdef GDCM_JPG_DEBUG + printf("entree dans gdcmFile::gdcm_read_JPEG_file12, depuis gdcmJpeg\n"); +#endif //GDCM_JPG_DEBUG /* In this example we want to open the input file before doing anything else, * so that the setjmp() error recovery below can assume the file is open. @@ -217,7 +179,9 @@ bool gdcmFile::gdcm_read_JPEG_file12 (FILE *fp,void * image_buffer) { */ /* Step 1: allocate and initialize JPEG decompression object */ - if (DEBUG)printf("Entree Step 1\n"); +#ifdef GDCM_JPG_DEBUG + printf("Entree Step 1\n"); +#endif //GDCM_JPG_DEBUG /* We set up the normal JPEG error routines, then override error_exit. */ @@ -237,11 +201,15 @@ bool gdcmFile::gdcm_read_JPEG_file12 (FILE *fp,void * image_buffer) { jpeg_create_decompress(&cinfo); /* Step 2: specify data source (eg, a file) */ - if (DEBUG) printf("Entree Step 2\n"); +#ifdef GDCM_JPG_DEBUG + printf("Entree Step 2\n"); +#endif //GDCM_JPG_DEBUG jpeg_stdio_src(&cinfo, fp); /* Step 3: read file parameters with jpeg_read_header() */ - if (DEBUG) printf("Entree Step 3\n"); +#ifdef GDCM_JPG_DEBUG + printf("Entree Step 3\n"); +#endif //GDCM_JPG_DEBUG (void) jpeg_read_header(&cinfo, TRUE); /* We can ignore the return value from jpeg_read_header since @@ -250,35 +218,39 @@ bool gdcmFile::gdcm_read_JPEG_file12 (FILE *fp,void * image_buffer) { * See libjpeg.doc for more info. */ - if (DEBUG) { +#ifdef GDCM_JPG_DEBUG printf("--------------Header contents :----------------\n"); printf("image_width %d image_height %d\n", - cinfo.image_width , cinfo.image_height); + cinfo.image_width , cinfo.image_height); printf("bits of precision in image data %d \n", - cinfo.output_components); + cinfo.output_components); printf("nb of color components returned %d \n", - cinfo.data_precision); - } + cinfo.data_precision); +#endif //GDCM_JPG_DEBUG /* - * JDIMENSION image_width; // input image width - * JDIMENSION image_height; // input image height - * int output_components; // # of color components returned - * J_COLOR_SPACE in_color_space; // colorspace of input image - * double input_gamma; // image gamma of input image - * int data_precision; // bits of precision in image data + * JDIMENSION image_width; // input image width + * JDIMENSION image_height; // input image height + * int output_components; // # of color components returned + * J_COLOR_SPACE in_color_space; // colorspace of input image + * double input_gamma; // image gamma of input image + * int data_precision; // bits of precision in image data */ /* Step 4: set parameters for decompression */ - if (DEBUG) printf("Entree Step 4\n"); +#ifdef GDCM_JPG_DEBUG + printf("Entree Step 4\n"); +#endif //GDCM_JPG_DEBUG /* In this example, we don't need to change any of the defaults set by * jpeg_read_header(), so we do nothing here. */ /* Step 5: Start decompressor */ - if (DEBUG) printf("Entree Step 5\n"); +#ifdef GDCM_JPG_DEBUG + printf("Entree Step 5\n"); +#endif //GDCM_JPG_DEBUG (void) jpeg_start_decompress(&cinfo); /* We can ignore the return value since suspension is not possible @@ -295,16 +267,19 @@ bool gdcmFile::gdcm_read_JPEG_file12 (FILE *fp,void * image_buffer) { /* JSAMPLEs per row in output buffer */ row_stride = cinfo.output_width * cinfo.output_components; - if (DEBUG) +#ifdef GDCM_JPG_DEBUG printf ("cinfo.output_width %d cinfo.output_components %d row_stride %d\n", cinfo.output_width, cinfo.output_components,row_stride); - +#endif //GDCM_JPG_DEBUG + /* Make a one-row-high sample array that will go away when done with image */ buffer = (*cinfo.mem->alloc_sarray) - ((j_common_ptr) &cinfo, JPOOL_IMAGE, row_stride, 1); + ((j_common_ptr) &cinfo, JPOOL_IMAGE, row_stride, 1); /* Step 6: while (scan lines remain to be read) */ - if (DEBUG) printf("Entree Step 6\n"); +#ifdef GDCM_JPG_DEBUG + printf("Entree Step 6\n"); +#endif //GDCM_JPG_DEBUG /* jpeg_read_scanlines(...); */ @@ -312,8 +287,10 @@ bool gdcmFile::gdcm_read_JPEG_file12 (FILE *fp,void * image_buffer) { * loop counter, so that we don't have to keep track ourselves. */ - if (DEBUG) printf ("cinfo.output_height %d cinfo.output_width %d\n", - cinfo.output_height,cinfo.output_width); +#ifdef GDCM_JPG_DEBUG + printf ("cinfo.output_height %d cinfo.output_width %d\n", + cinfo.output_height,cinfo.output_width); +#endif //GDCM_JPG_DEBUG pimage=(char *)image_buffer; @@ -335,14 +312,18 @@ bool gdcmFile::gdcm_read_JPEG_file12 (FILE *fp,void * image_buffer) { } /* Step 7: Finish decompression */ - if (DEBUG) printf("Entree Step 7\n"); - (void) jpeg_finish_decompress(&cinfo); +#ifdef GDCM_JPG_DEBUG + printf("Entree Step 7\n"); +#endif //GDCM_JPG_DEBUG + (void) jpeg_finish_decompress(&cinfo); /* We can ignore the return value since suspension is not possible * with the stdio data source. */ /* Step 8: Release JPEG decompression object */ - if (DEBUG) printf("Entree Step 8\n"); +#ifdef GDCM_JPG_DEBUG + printf("Entree Step 8\n"); +#endif //GDCM_JPG_DEBUG /* This is an important step since it will release a good deal of memory. */ jpeg_destroy_decompress(&cinfo);