資源簡介
不用介紹了吧,就這么簡單

代碼片段和文件信息
#include?
#include?
#include?
#include?
#include?
using?namespace?std;
int?main(int?argc?char?*?argv[])
{
if?(argc?!=?3)
{
cout?<“please?use?this?command?like?this:?YuessMpeg2dec.exe?src.ppm?des.bmp“?< return?0;
}
/*
argv[0]=“YuessMpeg2dec“;
argv[1]=“54.ppm“;
argv[2]=“yss.bmp“;*/
????string?pFilename=““;
pFilename=argv[1];//ppm?file?name
ifstream?ifile;//input?ppm?file
ofstream?ofile;//output?bmp?file
ifile.open(argv[1]ios::binary);
if?(!ifile)?{
cout<<“open?error!“< }
ofile.open(argv[2]ios::binary);
string?FileType;//file?type-p6
int?WidthHeightCount;//count?is?the?number?of?pixels
int?DataSizeHeadSizeFileSize;
ifile>>FileType>>Width>>Height>>Count;//get?the?para?of?the?ppm?file
cout<
DataSize=Width*Height*3;//every?pixel?need?3?byte?to?store
HeadSize=0x36;//54?Bype
FileSize=HeadSize+DataSize;
Count=Width*Height;
cout<
unsigned?char?BmpHead[54];
for(int?i=0;i<53;i++){
????BmpHead[i]=0;
}
????
BmpHead[0]=0x42;
BmpHead[1]=0x4D;//type
//for(int?k=0;k<53;k++){
//????cout< //}
cout<
int?SizeNum=2;//the?size?of?bmp?file
????while?(FileSize!=0)?{
BmpHead[SizeNum++]=FileSize?%?256;?
FileSize?=?FileSize?/?256;
????}
? cout< ??
BmpHead[0x0A]=0x36;//data?begin?here
BmpHead[0x0E]=0x28;//size?of?bitmap?information?head
????
int?FileWidthCount?=?0x12;//width?
while?(Width?!=?0)
{
BmpHead[FileWidthCount++]?=?Width?%?256;
Width?=?Width?/?256;
}
int?FileHeightCount?=?0x16;//height
????while?(Height?!=?0)
{
BmpHead[FileHeightCount++]?=?Height?%?256;
Height?=?Height?/?256;
}
????
BmpHead[0x1A]=0x1;//device
BmpHead[0x1C]=0x18;//every?pixel?need?3?byte
????
????int?FileSizeCount=0x22;
while?(DataSize!=0)?{
BmpHead[FileSizeCount++]=DataSize%256;
DataSize=DataSize/256;
}
//for(int?k=0;k<53;k++){
//????cout< //}
for?(i=0;?i<54;?i++)
{ofile?< ?cout< }
????char?bluegreenred;
ifile.ignore();
cout<<“ok“< for(int?j?=?Count;j?>=1?;j--){
//cout<<“begin“< ifile.get(blue);
ifile.get(green);
ifile.get(red);
????????ofile< ofile.put(red);
ofile.put(green);
ofile.put(blue);
//cout< }
ifile.close();
ofile.close();
return?0;
}
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件?????230454??2008-02-17?21:23??YuessMpeg2dec\54.bmp
?????文件?????230415??2007-12-27?23:54??YuessMpeg2dec\54.ppm
?????文件?????253455??2002-09-17?18:20??YuessMpeg2dec\Debug\10.ppm
?????文件?????230415??2007-12-27?23:54??YuessMpeg2dec\Debug\54.ppm
?????文件?????372464??2008-01-06?13:52??YuessMpeg2dec\Debug\PpmToBmp.obj
?????文件?????557123??2008-01-04?16:46??YuessMpeg2dec\Debug\TES.exe
?????文件?????815472??2008-01-04?16:46??YuessMpeg2dec\Debug\TES.ilk
?????文件?????370897??2008-01-04?16:46??YuessMpeg2dec\Debug\TES.obj
?????文件????2177688??2008-01-04?14:53??YuessMpeg2dec\Debug\TES.pch
?????文件????1131520??2008-01-04?16:46??YuessMpeg2dec\Debug\TES.pdb
?????文件??????82944??2008-02-17?21:23??YuessMpeg2dec\Debug\vc60.idb
?????文件?????118784??2008-01-06?13:52??YuessMpeg2dec\Debug\vc60.pdb
?????文件?????557133??2008-01-06?13:52??YuessMpeg2dec\Debug\YuessMpeg2dec.exe
?????文件?????816356??2008-01-06?13:52??YuessMpeg2dec\Debug\YuessMpeg2dec.ilk
?????文件????2177656??2008-01-06?12:47??YuessMpeg2dec\Debug\YuessMpeg2dec.pch
?????文件????1131520??2008-01-06?13:52??YuessMpeg2dec\Debug\YuessMpeg2dec.pdb
?????文件???????2566??2008-01-06?13:52??YuessMpeg2dec\PpmToBmp.cpp
?????文件??????????0??2008-01-02?09:45??YuessMpeg2dec\TES.ASP
?????文件???????1909??2008-01-04?16:46??YuessMpeg2dec\TES.CPP
?????文件???????1102??2008-01-04?16:46??YuessMpeg2dec\TES.PLG
?????文件???????4385??2008-01-04?17:14??YuessMpeg2dec\YuessMpeg2dec.dsp
?????文件????????551??2007-12-28?22:03??YuessMpeg2dec\YuessMpeg2dec.dsw
?????文件??????41984??2008-02-17?21:23??YuessMpeg2dec\YuessMpeg2dec.ncb
?????文件??????56832??2008-02-17?21:23??YuessMpeg2dec\YuessMpeg2dec.opt
?????文件????????260??2008-01-06?13:53??YuessMpeg2dec\YuessMpeg2dec.plg
?????目錄??????????0??2008-01-06?13:52??YuessMpeg2dec\Debug
?????目錄??????????0??2008-02-17?21:23??YuessMpeg2dec
-----------?---------??----------?-----??----
?????????????11363885????????????????????27
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