X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmJpeg2000.cxx;h=0064240c19a0fcaeeca7e18fe3a38cb5e4dc3b8a;hb=3406c4fd40fed23d938a1c72d985417ce46c3bc0;hp=3b83db624f2f773d70bc75fcf2d723736fda71b9;hpb=f766c0e34962ba7d22fe8f20f514e6a6bdd0ce29;p=gdcm.git diff --git a/src/gdcmJpeg2000.cxx b/src/gdcmJpeg2000.cxx index 3b83db62..0064240c 100644 --- a/src/gdcmJpeg2000.cxx +++ b/src/gdcmJpeg2000.cxx @@ -3,8 +3,8 @@ Program: gdcm Module: $RCSfile: gdcmJpeg2000.cxx,v $ Language: C++ - Date: $Date: 2005/10/24 15:36:33 $ - Version: $Revision: 1.29 $ + Date: $Date: 2005/11/04 15:20:13 $ + Version: $Revision: 1.33 $ Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de l'Image). All rights reserved. See Doc/License.txt or @@ -20,9 +20,9 @@ #include #include -//#include + extern "C" { -#include + #include } namespace gdcm @@ -38,104 +38,74 @@ namespace gdcm bool gdcm_read_JPEG2000_file (void* raw, char *inputdata, size_t inputlength) { - j2k_image_t img; - j2k_cp_t cp; - //jp2_struct_t *jp2_struct=NULL; - - // default blindly copied - cp.layer=0; - cp.reduce=0; - cp.decod_format=-1; - cp.cod_format=-1; - - cp.cod_format=J2K_CFMT; - cp.decod_format = PGX_DFMT; - int len = inputlength; - unsigned char *src = (unsigned char*)inputdata; - - if (!j2k_decode(src, len, &img, &cp)) { - fprintf(stderr, "ERROR -> j2k_to_image: failed to decode image!\n"); + j2k_image_t img; + j2k_cp_t cp; + + // default blindly copied + cp.layer=0; + cp.reduce=0; + cp.decod_format=-1; + cp.cod_format=-1; + + cp.cod_format=J2K_CFMT; + cp.decod_format = PGX_DFMT; + int len = inputlength; + unsigned char *src = (unsigned char*)inputdata; + + // Decompression + if (!j2k_decode(src, len, &img, &cp)) + { + gdcmErrorMacro( "ERROR -> j2k_to_image: failed to decode image!" ); return false; - } - - - /************** PGX *****************/ - //char *data8 = (char*)raw; - //uint16_t *data8 = (uint16_t*)raw; - for (int compno = 0; compno < img.numcomps; compno++) { - j2k_comp_t *comp = &img.comps[compno]; - int nbytes = 0; + } - // w = int_ceildiv(img.x1 - img.x0, comp->dx); - // wr = int_ceildiv(int_ceildivpow2(img.x1 - img.x0,img.factor), comp->dx); + // Copy buffer + for (int compno = 0; compno < img.numcomps; compno++) + { + j2k_comp_t *comp = &img.comps[compno]; + int w = img.comps[compno].w; int wr = int_ceildivpow2(img.comps[compno].w, img.comps[compno].factor); - std::cerr << "wr=" << wr << std::endl; - - // h = int_ceildiv(img.y1 - img.y0, comp->dy); - // hr = int_ceildiv(int_ceildivpow2(img.y1 - img.y0,img.factor), comp->dy); - int h = img.comps[compno].h; + + //int h = img.comps[compno].h; int hr = int_ceildivpow2(img.comps[compno].h, img.comps[compno].factor); - std::cerr << "hr=" << hr << std::endl; - - //fprintf(fdest, "PG ML %c %d %d %d\n", comp->sgnd ? '-' : '+', - // comp->prec, wr, hr); - + if (comp->prec <= 8) - { - nbytes = 1; - uint8_t *data8 = (uint8_t*)raw; - for (int i = 0; i < wr * hr; i++) - { - int v = img.comps[compno].data[i / wr * w + i % wr]; - *data8++ = (uint8_t)v; - } - } + { + uint8_t *data8 = (uint8_t*)raw; + for (int i = 0; i < wr * hr; i++) + { + int v = img.comps[compno].data[i / wr * w + i % wr]; + *data8++ = (uint8_t)v; + } + } else if (comp->prec <= 16) - { - nbytes = 2; - uint16_t *data16 = (uint16_t*)raw; - for (int i = 0; i < wr * hr; i++) - { - int v = img.comps[compno].data[i / wr * w + i % wr]; - *data16++ = (uint16_t)v; - } - } + { + uint16_t *data16 = (uint16_t*)raw; + for (int i = 0; i < wr * hr; i++) + { + int v = img.comps[compno].data[i / wr * w + i % wr]; + *data16++ = (uint16_t)v; + } + } else - { - nbytes = 4; - uint32_t *data32 = (uint32_t*)raw; - for (int i = 0; i < wr * hr; i++) - { - int v = img.comps[compno].data[i / wr * w + i % wr]; - *data32++ = (uint32_t)v; - } - } -// for (int i = 0; i < wr * hr; i++) -// { -// //std::cout << "i:" << i << '\n'; -// int v = img.comps[compno].data[i / wr * w + i % wr]; -// //for (int j = nbytes - 1; j >= 0; j--) -// for (int j = 0; j < nbytes-1 ; j++) -// { -// char byte = (char) (v >> (j * 8)); -// //fwrite(&byte, 1, 1, fdest); -// *data8++ = byte; -// } -// //*data8++ = (uint16_t)v; -// } + { + uint32_t *data32 = (uint32_t*)raw; + for (int i = 0; i < wr * hr; i++) + { + int v = img.comps[compno].data[i / wr * w + i % wr]; + *data32++ = (uint32_t)v; + } + } free(img.comps[compno].data); -// fclose(fdest); - /************** END PGX *****************/ } - - - // Free remaining structures - //-------------------------- - delete[] inputdata; - j2k_dec_release(); - - return true; + + // Free remaining structures + j2k_dec_release(); + // FIXME + delete[] inputdata; + + return true; } #if 0