368 lines
9.4 KiB
C
368 lines
9.4 KiB
C
/*
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* Copyright (c) 2008, Jerome Fimes, Communications & Systemes <jerome.fimes@c-s.fr>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#define USE_OPJ_DEPRECATED
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/* set this macro to enable profiling for the given test */
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/* warning : in order to be effective, openjpeg must have been built with profiling enabled !! */
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//#define _PROFILE
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#include "openjpeg.h"
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#include "FreeImage.h"
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#ifdef WIN32
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#include <malloc.h>
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#endif
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#include <string.h>
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#include <stdlib.h>
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#define NB_EXTENSIONS 2
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/* -------------------------------------------------------------------------- */
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struct opj_format
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{
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const char * m_extension;
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OPJ_CODEC_FORMAT m_format;
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};
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const struct opj_format c_extensions[] =
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{
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{".j2k",CODEC_J2K},
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{".jp2",CODEC_JP2}
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};
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OPJ_CODEC_FORMAT get_format (const char * l_file_name)
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{
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OPJ_INT32 i;
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const struct opj_format * l_current = c_extensions;
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for
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(i=0;i<NB_EXTENSIONS;++i)
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{
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if
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(! memcmp(l_current->m_extension,l_file_name + strlen(l_file_name)-4,4))
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{
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return l_current->m_format;
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}
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++l_current;
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}
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return CODEC_UNKNOWN;
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}
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/**
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sample error callback expecting a FILE* client object
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*/
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void error_callback_file(const char *msg, void *client_data) {
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FILE *stream = (FILE*)client_data;
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fprintf(stream, "[ERROR] %s", msg);
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}
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/**
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sample warning callback expecting a FILE* client object
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*/
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void warning_callback_file(const char *msg, void *client_data) {
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FILE *stream = (FILE*)client_data;
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fprintf(stream, "[WARNING] %s", msg);
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}
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/**
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sample error debug callback expecting no client object
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*/
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void error_callback(const char *msg, void *client_data) {
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(void)client_data;
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fprintf(stdout, "[ERROR] %s", msg);
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}
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/**
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sample warning debug callback expecting no client object
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*/
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void warning_callback(const char *msg, void *client_data) {
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(void)client_data;
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fprintf(stdout, "[WARNING] %s", msg);
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}
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/**
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sample debug callback expecting no client object
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*/
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void info_callback(const char *msg, void *client_data) {
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(void)client_data;
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fprintf(stdout, "[INFO] %s", msg);
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}
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/* -------------------------------------------------------------------------- */
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int main (int argc,char * argv [])
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{
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opj_dparameters_t l_param;
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opj_codec_t * l_codec;
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opj_image_t * l_image;
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FILE * l_file;
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opj_stream_t * l_stream;
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OPJ_UINT32 l_data_size;
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OPJ_UINT32 l_max_data_size = 1000;
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OPJ_UINT32 l_tile_index;
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OPJ_BYTE * l_data = (OPJ_BYTE *) malloc(1000);
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bool l_go_on = true;
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OPJ_INT32 l_tile_x0,l_tile_y0;
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OPJ_UINT32 l_tile_width,l_tile_height,l_nb_tiles_x,l_nb_tiles_y,l_nb_comps;
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OPJ_INT32 l_current_tile_x0,l_current_tile_y0,l_current_tile_x1,l_current_tile_y1;
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char * l_input_file,* l_output_file;
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OPJ_INT32 l_min_x, l_min_y, l_max_x, l_max_y;
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OPJ_CODEC_FORMAT l_codec_format;
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FIBITMAP * l_bitmap;
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unsigned char * l_image_data;
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OPJ_INT32 l_req_x,l_req_y;
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OPJ_UINT32 l_image_width,l_image_height,l_image_boundary,l_offset;
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unsigned char * l_tile_ptr [3];
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unsigned char * l_line_ptr, * l_current_ptr;
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OPJ_UINT32 i,j;
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if
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(argc != 8)
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{
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printf("usage : ... \n");
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return 1;
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}
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PROFINIT();
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FreeImage_Initialise(0);
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l_input_file = argv[1];
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l_output_file = argv[2];
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l_min_x = atoi(argv[3]);
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l_min_y = atoi(argv[4]);
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l_max_x = atoi(argv[5]);
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l_max_y = atoi(argv[6]);
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l_codec_format = get_format(l_input_file);
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if
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((! l_data) || (l_codec_format == CODEC_UNKNOWN))
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{
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return 1;
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}
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opj_set_default_decoder_parameters(&l_param);
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/** you may here add custom decoding parameters */
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/* do not use layer decoding limitations */
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l_param.cp_layer = 0;
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/* do not use resolutions reductions */
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l_param.cp_reduce = atoi(argv[7]);
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/* to decode only a part of the image data */
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//opj_restrict_decoding(&l_param,0,0,1000,1000);
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l_codec = opj_create_decompress(l_codec_format);
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if
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(! l_codec)
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{
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free(l_data);
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return 1;
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}
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/* catch events using our callbacks and give a local context */
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opj_set_info_handler(l_codec, info_callback,00);
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opj_set_warning_handler(l_codec, warning_callback,00);
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opj_set_error_handler(l_codec, error_callback,00);
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opj_restrict_decoding(&l_param,l_min_x, l_min_y, l_max_x, l_max_y);
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if
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(! opj_setup_decoder(l_codec,&l_param))
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{
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free(l_data);
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opj_destroy_codec(l_codec);
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return 1;
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}
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l_file = fopen(l_input_file,"rb");
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if
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(! l_file)
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{
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fprintf(stdout, "Error opening input file\n");
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free(l_data);
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opj_destroy_codec(l_codec);
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return 1;
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}
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l_stream = opj_stream_create_default_file_stream(l_file,true);
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if
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(! opj_read_header(l_codec,
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&l_image,
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&l_tile_x0,
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&l_tile_y0,
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&l_tile_width,
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&l_tile_height,
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&l_nb_tiles_x,
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&l_nb_tiles_y,
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l_stream))
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{
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free(l_data);
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opj_stream_destroy(l_stream);
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fclose(l_file);
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opj_destroy_codec(l_codec);
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return 1;
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}
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if
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((l_tile_x0 != 0) || (l_tile_y0 != 0))
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{
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free(l_data);
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opj_stream_destroy(l_stream);
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fclose(l_file);
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opj_destroy_codec(l_codec);
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return 1;
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}
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l_min_x -= l_min_x % l_tile_width;
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l_min_y -= l_min_y % l_tile_height;
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l_req_x = l_max_x % l_tile_width;
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if
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(l_req_x)
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{
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l_max_x += l_tile_width - l_req_x;
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}
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l_req_y = l_max_y % l_tile_height;
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if
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(l_req_y)
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{
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l_max_y += l_tile_height - l_req_y;
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}
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l_min_x = l_min_x < l_image->x0 ? l_image->x0 : l_min_x;
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l_min_y = l_min_y < l_image->y0 ? l_image->y0 : l_min_y;
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l_max_x = l_max_x > l_image->x1 ? l_image->x1 : l_max_x;
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l_max_y = l_max_y > l_image->y1 ? l_image->y1 : l_max_y;
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l_image_width = (l_max_x - l_min_x + (1 << l_param.cp_reduce) - 1) >> l_param.cp_reduce;
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l_image_height = (l_max_y - l_min_y + (1 << l_param.cp_reduce) - 1) >> l_param.cp_reduce;
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l_image_boundary = 3 * l_image_width;
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l_req_x = l_image_boundary % 4;
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if
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(l_req_x)
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{
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l_image_boundary += 4-l_req_x;
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}
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l_bitmap = FreeImage_Allocate(l_image_width, l_image_height, 24, 0, 0, 0);
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l_image_data = FreeImage_GetBits(l_bitmap);
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while
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(l_go_on)
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{
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if
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(! opj_read_tile_header(
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l_codec,
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&l_tile_index,
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&l_data_size,
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&l_current_tile_x0,
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&l_current_tile_y0,
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&l_current_tile_x1,
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&l_current_tile_y1,
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&l_nb_comps,
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&l_go_on,
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l_stream))
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{
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free(l_data);
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opj_stream_destroy(l_stream);
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fclose(l_file);
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opj_destroy_codec(l_codec);
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opj_image_destroy(l_image);
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return 1;
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}
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if
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(l_go_on)
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{
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if
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(l_data_size > l_max_data_size)
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{
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l_data = (OPJ_BYTE *) realloc(l_data,l_data_size);
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if
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(! l_data)
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{
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opj_stream_destroy(l_stream);
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fclose(l_file);
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opj_destroy_codec(l_codec);
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opj_image_destroy(l_image);
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return 1;
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}
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l_max_data_size = l_data_size;
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}
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if
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(! opj_decode_tile_data(l_codec,l_tile_index,l_data,l_data_size,l_stream))
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{
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free(l_data);
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opj_stream_destroy(l_stream);
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fclose(l_file);
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opj_destroy_codec(l_codec);
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opj_image_destroy(l_image);
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return 1;
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}
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/** now should inspect image to know the reduction factor and then how to behave with data */
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l_offset = (((l_max_y - l_current_tile_y0 + (1 << l_param.cp_reduce) - 1)>>l_param.cp_reduce) - 1) * l_image_boundary + ((l_current_tile_x0 - l_min_x + (1 << l_param.cp_reduce) - 1)>> l_param.cp_reduce )* 3;
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l_tile_width = (l_current_tile_x1 - l_current_tile_x0 + (1 << l_param.cp_reduce) - 1)>>l_param.cp_reduce;
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l_tile_height = (l_current_tile_y1 - l_current_tile_y0 + (1 << l_param.cp_reduce) - 1)>>l_param.cp_reduce;
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l_tile_ptr[0] = l_data + 2 * l_tile_width * l_tile_height;
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l_tile_ptr[1] = l_data + l_tile_width * l_tile_height;
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l_tile_ptr[2] = l_data ;
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l_line_ptr = l_image_data + l_offset;
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for
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(i=0;i<l_tile_width;++i)
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{
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l_current_ptr = l_line_ptr;
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for
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(j=0;j<l_tile_height;++j)
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{
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*(l_current_ptr++) = *(l_tile_ptr[0]++);
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*(l_current_ptr++) = *(l_tile_ptr[1]++);
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*(l_current_ptr++) = *(l_tile_ptr[2]++);
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}
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l_line_ptr -= l_image_boundary;
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}
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}
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}
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if
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(! opj_end_decompress(l_codec,l_stream))
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{
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free(l_data);
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opj_stream_destroy(l_stream);
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fclose(l_file);
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opj_destroy_codec(l_codec);
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opj_image_destroy(l_image);
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return 1;
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}
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free(l_data);
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opj_stream_destroy(l_stream);
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fclose(l_file);
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opj_destroy_codec(l_codec);
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opj_image_destroy(l_image);
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// Print profiling
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PROFPRINT();
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FreeImage_Save(0,l_bitmap,l_output_file,0);
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FreeImage_Unload(l_bitmap);
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return 0;
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}
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