#include<stdio.h>
#include<windows.h>
void main()
{
FILE *fp=fopen("lenaRGB.raw","rb");
if(fp==NULL)
{
printf("can not open lena.raw\n");
return ;
}
unsigned char *image[1000];
for(int i=0;i<512;i++)
{
image[i]=new unsigned char[512];
fread(image[i],1,512,fp);
}
fclose(fp);
FILE *fp1=fopen("new_lena.bmp","wb");
if(fp1==NULL)
{
printf("can not open new.bmp\n");
return ;
}
int imageW=512;
int imageH=512;
int storeW=imageW;
if(storeW%4!=0)
storeW+=(4-storeW%4);
BITMAPFILEHEADER bh;//位图文件头
//bh.bfType=(WORD)('M'<<8|'B');
bh.bfType=(UINT)"BM";
bh.bfReserved1=0;
bh.bfReserved2=0;
bh.bfSize=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+sizeof(RGBQUAD)*256+storeW*imageH;
bh.bfOffBits=sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+sizeof(RGBQUAD)*256;
BITMAPINFOHEADER bInfo;
bInfo.biSize=sizeof(BITMAPINFOHEADER);
bInfo.biWidth=imageW;
bInfo.biHeight=imageH;
bInfo.biPlanes=1;
bInfo.biBitCount=8;
bInfo.biCompression=BI_RGB;
bInfo.biSizeImage=storeW*imageH;
bInfo.biXPelsPerMeter=0;
bInfo.biYPelsPerMeter=0;
bInfo.biClrUsed=256;
bInfo.biClrImportant=0;
fwrite(&bh,sizeof(BITMAPFILEHEADER),1,fp1);
fwrite(&bInfo,sizeof(BITMAPFILEHEADER),1,fp1);
RGBQUAD rgb;
rgb.rgbReserved=0;
for(i=0;i<256;i++)
{
rgb.rgbBlue=rgb.rgbGreen=rgb.rgbRed=i;
fwrite(&rgb,sizeof(RGBQUAD),1,fp1);
}
for(i=0;i<256;i++)
{
fwrite(image[511-i],1,512,fp1);
}
fclose(fp1);
}