/*#ifdef?WIN32?//windows

???????#include?

#else??????????????//linux

???????#include?

???????#include?

#endif*/
///////////////////////////////////////////////////////////////////////////////
/*
/?1.?get?JPEG?image?data?and?decode?
/?2.?save?bufferdata?to?jpeg?file
/?the?original?code?come?from?internet?for?free?I?optimize?some?segments.
/?you?can?free?copy?this?code?except?useing?for??profit
/?Any?fault?in?this?code?is?not?the?responsibility?of?meit‘s?not?my?thing
/?by?:bot
/????:2010
*/
///////////////////////////////////////////////////////////////////////////////

#ifndef?__JPEGDEC_H__
#define?__JPEGDEC_H__?

#include?
#include?
#include?


#define?BYTE?unsigned?char
#define?WORD?unsigned?short?int

#define?DWORD?unsigned?int
#define?SDWORD?signed?int

#define?SBYTE?signed?char
#define?SWORD?signed?short?int

int??load_JPEG_header（FILE?*fp?DWORD?*X_image?DWORD?*Y_image）;
void?decode_JPEG_image（）;
int??get_JPEG_buffer（WORD?X_image?WORD?Y_image?BYTE?**address_dest_buffer）;

#endif


#include?
#include?

char?*FileName=“11.jpg“;
extern?char?error_string[90];

typedef?struct?s_BM_header?{
			??WORD?BMP_id?;?//?‘B‘‘M‘
			??DWORD?size;?//?size?in?bytes?of?the?BMP?file
			??DWORD?zero_res;?//?0
			??DWORD?offbits;?//?54
			??DWORD?biSize;?//?0x28
			??DWORD?Width;??//?X
			??DWORD?Height;??//?Y
			??WORD??biPlanes;?//?1
			??WORD??biBitCount?;?//?24
			??DWORD?biCompression;?//?0?=?BI_RGB
			??DWORD?biSizeImage;?//?0
			??DWORD?biXPelsPerMeter;?//?0xB40
			??DWORD?biYPelsPerMeter;?//?0xB40
			??DWORD?biClrUsed;?//0
			??DWORD?biClrImportant;?//0
}?BM_header;

typedef?struct?s_RGB?{
			?BYTE?B;
		?????BYTE?G;
		?????BYTE?R;
}?RGB;

void?exitmessage（char?*message）
{
?printf（“%s\n“message）;exit（0）;
}

void?write_buf_to_BMP（BYTE?*im_buffer?WORD?X_bitmap?WORD?Y_bitmap?char?*BMPname）
{
?SWORD?xy;
?RGB?*pixel;
?BM_header?BH;
?FILE?*fp_bitmap;
?DWORD?im_loc_bytes;
?BYTE?nr_fillingbytes?i;
?BYTE?zero_byte=0;

?fp_bitmap=fopen（BMPname“wb“）;
?if?（fp_bitmap==NULL）?exitmessage（“File?cannot?be?created“）;

?if?（X_bitmap%4!=0）?nr_fillingbytes=4-（（X_bitmap*3L）%4）;
??else?nr_fillingbytes=0;

?BH.BMP_id?=?‘M‘*256+‘B‘;?????fwrite（&BH.BMP_id21fp_bitmap）;
?BH.size=54+Y_bitmap*（X_bitmap*3+nr_fillingbytes）;fwrite（&BH.size41fp_bitmap）;
?BH.zero_res?=?0;?????????????fwrite（&BH.zero_res41fp_bitmap）;
?BH.offbits?=?54;?????????????fwrite（&BH.offbits41fp_bitmap）;
?BH.biSize?=?0x28;????????????fwrite（&BH.biSize41fp_bitmap）;
?BH.Width?=?X_bitmap;	??????fwrite（&BH.Width41fp_bitmap）;
?BH.Height?=?Y_bitmap;	??????fwrite（&BH.Height41fp_bitmap）;
?BH.biPlanes?=?1;?????????????fwrite（&BH.biPlanes21fp_bitmap）;
?BH.biBitCount?=?24;??????????fwrite（&BH.biBitCount21fp_bitmap）;
?BH.biCompression?=?0;????????fwrite（&BH.biCompression41fp_bitmap）;
?BH.biSizeImage?=?

?屬性????????????大小?????日期????時(shí)間???名稱(chēng)
-----------?---------??----------?-----??----

?????文件?????140739??2009-12-22?07:19??Work\1.jpg

?????文件?????138784??2009-12-22?07:19??Work\2.jpg

?????文件??????62102??2010-03-14?19:13??Work\Debug\JpegDecode.obj

?????文件??????23246??2010-03-14?15:21??Work\Debug\JpegDecode.sbr

?????文件??????50176??2010-03-28?15:08??Work\Debug\vc60.idb

?????文件??????61440??2010-03-14?19:13??Work\Debug\vc60.pdb

?????文件??????74752??2010-03-14?15:20??Work\Debug\Work.bsc

?????文件?????229426??2010-03-14?19:13??Work\Debug\Work.exe

?????文件?????385152??2010-03-14?19:13??Work\Debug\Work.ilk

?????文件?????227352??2010-03-14?16:31??Work\Debug\Work.pch

?????文件?????533504??2010-03-14?19:13??Work\Debug\Work.pdb

?????文件????4177974??2010-03-28?15:08??Work\image.bmp

?????文件??????34935??2010-03-14?19:13??Work\JpegDecode.cpp

?????文件???????4260??2010-03-14?16:35??Work\Work.dsp

?????文件????????533??2010-03-14?11:27??Work\Work.dsw

?????文件??????49664??2010-03-28?15:11??Work\Work.opt

?????文件???????1525??2010-03-14?19:13??Work\Work.plg

?????目錄??????????0??2010-03-14?19:13??Work\Debug

?????目錄??????????0??2010-03-28?15:11??Work

?????文件??????58368??2010-03-28?15:11??Work\Work.ncb

-----------?---------??----------?-----??----

??????????????6253932????????????????????20