JPEG 관련 free 라이브러리를 제공하는 홈페이지이다.
검색을 해보니 jpeg decompress를 하면 bmp으로 나오도록 지원을 하는 듯 하다.
/////////////////////////////////////////////////////////////////////////////
// Creation 30/12/2003
//
//
// JPG2BMP.C
// ---------
//
//
// Sylvain MARECHAL - sylvain.marechal1@libertysurf.fr
/////////////////////////////////////////////////////////////////////////////
//
// Convert a jpg to a bmp file
// look at jpeg-6b/djpeg.c for more details
//
/////////////////////////////////////////////////////////////////////////////
#include "cdjpeg.h" /* Common decls for cjpeg/djpeg applications */
#include "jversion.h" /* for version message */
#include "ctype.h" /* to declare isprint() */
#ifdef USE_CCOMMAND /* command-line reader for Macintosh */
#ifdef __MWERKS__
#include "sioux.h" /* Metrowerks needs this */
#include "console.h" /* ... and this */
#endif
#ifdef THINK_C
#include "console.h" /* Think declares it here */
#endif
#endif
#include "jpg2bmp.h" /* for version message */
/* Create the add-on message string table. */
/*
#define JMESSAGE(code,string) string ,
static const char * const cdjpeg_message_table[] = {
#include "cderror.h"
NULL
};
*/
//#define MAIN
#ifdef MAIN
// The test program
int main( int argc, char * argv[] )
{
if( argc != 3 )
{
printf( "Usage : %s [file_in.jpg] [file_out.bmp]\n" );
return 1;
}
return Jpg2Bmp( argv[1], argv[2] );
}
#endif
int Jpg2Bmp( char * pszJpgFile, char * pszBmpFile )
{
struct jpeg_decompress_struct cinfo;
struct jpeg_error_mgr jerr;
djpeg_dest_ptr dest_mgr = NULL;
FILE * input_file;
FILE * output_file;
JDIMENSION num_scanlines;
/* Initialize the JPEG decompression object with default error handling. */
cinfo.err = jpeg_std_error(&jerr);
jpeg_create_decompress(&cinfo);
/* Add some application-specific error messages (from cderror.h) */
// jerr.addon_message_table = cdjpeg_message_table;
jerr.first_addon_message = JMSG_FIRSTADDONCODE;
jerr.last_addon_message = JMSG_LASTADDONCODE;
/* Open the input file. */
if ((input_file = fopen(pszJpgFile, READ_BINARY)) == NULL) {
return -1;
}
/* Open the output file. */
if ((output_file = fopen(pszBmpFile, WRITE_BINARY)) == NULL) {
return -1;
}
/* Specify data source for decompression */
jpeg_stdio_src(&cinfo, input_file);
/* Read file header, set default decompression parameters */
(void) jpeg_read_header(&cinfo, TRUE);
/* Adjust default decompression parameters by re-parsing the options */
//file_index = parse_switches(&cinfo, argc, argv, 0, TRUE);
/* Initialize the output module now to let it override any crucial
* option settings (for instance, GIF wants to force color quantization).
*/
dest_mgr = jinit_write_bmp(&cinfo, FALSE);
dest_mgr->output_file = output_file;
/* Start decompressor */
(void) jpeg_start_decompress(&cinfo);
/* Write output file header */
(*dest_mgr->start_output) (&cinfo, dest_mgr);
/* Process data */
while (cinfo.output_scanline < cinfo.output_height) {
num_scanlines = jpeg_read_scanlines(&cinfo, dest_mgr->buffer,
dest_mgr->buffer_height);
(*dest_mgr->put_pixel_rows) (&cinfo, dest_mgr, num_scanlines);
}
/* Finish decompression and release memory.
* I must do it in this order because output module has allocated memory
* of lifespan JPOOL_IMAGE; it needs to finish before releasing memory.
*/
(*dest_mgr->finish_output) (&cinfo, dest_mgr);
(void) jpeg_finish_decompress(&cinfo);
jpeg_destroy_decompress(&cinfo);
/* Close files, if we opened them */
fclose(input_file);
fclose(output_file);
/* All done. */
return jerr.num_warnings ? -1 : 0;
}
[예제 :
ce.sharif.edu/~haghshenas/files/c/jpg2bmp.c]
[공식 :
http://www.ijg.org/]
프로그램 설치/제거에서 samba로 검색을 한다.
다운로드 받은 패키지 목록이다.
보시다시피 "전에 선택하지 않은 samba 패키지를 선택합니다." 라는 메시지가 나온다.
설치된 녀석을 실행하면 위와 같은 내용이 나온다.
디렉토리는 공유할 디렉토리의 경로
아무나 사용하게 하려면 모든 사용자에게 접근 허가를 선택한다.
윈도우에서 접속한 화면이다.
