raw格式图片转换为bmp格式

#include <iostream.h> #include <stdio.h> #include <windows.h> #include <wingdi.h> #define H 15004 #define W 4160 void main() { char filename[50]; WORD* image1=new WORD[H*W]; BYTE* image2=new BYTE[H*W]; BITMAPFILEHEADER* fileheader; BITMAPINFOHEADER* infoheader; unsigned int FHlen=sizeof(BITMAPFILEHEADER); unsigned int IHlen=sizeof(BITMAPINFOHEADER); //调色板数据，由于图像为10位，所以有1024个数据项 RGBQUAD* rgbquad; int PaletteEntries=1<<8; rgbquad=new RGBQUAD[PaletteEntries]; for(int i=0;i<PaletteEntries;i++) { rgbquad[i].rgbRed =i; rgbquad[i].rgbGreen =i; rgbquad[i].rgbBlue =i; rgbquad[i].rgbReserved =0; } //位图信息头结构 infoheader=new BITMAPINFOHEADER ; memset(infoheader,0,IHlen); infoheader->biSize =40; infoheader->biWidth =W; infoheader->biHeight =H; infoheader->biPlanes =1; infoheader->biBitCount =8; infoheader->biCompression =BI_RGB; infoheader->biSizeImage =H*W; //位图文件头结构 fileheader=new BITMAPFILEHEADER; memset(fileheader,0,FHlen); fileheader->bfType =0x4D42; fileheader->bfSize =FHlen+IHlen+sizeof(RGBQUAD)*PaletteEntries+H*W; fileheader->bfOffBits=FHlen+IHlen+sizeof(RGBQUAD)*PaletteEntries; //读取RAW图像文件的数据到数组image1中 cout<<"请输入要打开的文件："<<endl; cin>>filename; FILE *fp; if((fp=fopen(filename,"rb"))==0)//输入要打开的文件 { cout<<"Cannot open file,push any key!"<<endl;//如果不可打开，报错 getchar(); return; } //fseek(fp,1078L,0); fread(image1,sizeof(WORD),H*W,fp); fclose(fp); for(i=0;i<H;i++) for(int j=0;j<W;j++) { image2[i*W+j]=(image1[(H-1-i)*W+j]*256)/1024; } cout<<"********************************************************************************"<<endl; FILE *fp1; cout<<"请输入要保存的文件名："<<endl; cin>>filename; if((fp1=fopen(filename,"wb"))==0)//输入要打开的文件 { cout<<"Cannot open file"<<endl;//如果不可打开，报错 getchar(); return; } fwrite(fileheader,1,FHlen,fp1); fwrite(infoheader,1,IHlen,fp1); fwrite(rgbquad,sizeof(RGBQUAD),256,fp1); fwrite(image2,sizeof(BYTE),H*W,fp1); fclose(fp1); cout<<endl; cout<<"********************************************************************************"<<endl; cout<<"文件已保存，感谢使用！"<<endl; delete[] image1; delete[] image2; delete[] rgbquad; delete fileheader; delete infoheader; }