int main(int argc,char *argv){
FILE *fp;
char input[100];
scanf("%s",input);
char name[strlen(input)+1];
snprintf(name,sizeof(name),"%s",input);
fp=fopen(name,"rb");
if(fp==NULL){
printf("file not found\n");
return 0;
}
head *h=readHeader(fp);
pinfo info;
info.padding=0;
info.padding=calcPadding(h);
pi **a=readImage(h->width,h->height,h->bfoffset,fp,&info);
//The image is stored bottom to top and left to right
/* int swidth,sheight,ewidth,eheight;
printf("Enter the starting width and height: ");
scanf("%d %d",&swidth,&sheight);
printf("Enter the width and height to be cropped: ");
scanf("%d %d",&ewidth,&eheight);
crop(h,a,swidth,h->height-sheight,swidth+ewidth,h->height-sheight-eheight);
writeImage(fp,a,h,h->width,h->height,&info);
*/
// int swidth=598,sheight=375,ewidth=568,eheight=73;
// int swidth=620,sheight=372,ewidth=525,eheight=68;//scan
// int swidth=867,sheight=585,ewidth=775,eheight=75;//daa2,daa3
// int swidth=895,sheight=585,ewidth=775,eheight=75;//daa5
int swidth=895,sheight=585,ewidth=785,eheight=80;//daa6
a=crop(h,a,swidth,h->height-sheight,swidth+ewidth,h->height-sheight-eheight);
head *newH=changeHeader(h,ewidth,eheight);
// toJpeg("usn.jpeg",newH,a);
writeImage(a,newH,&info,"usn.bmp");
fp=fopen("usn.bmp","rb");
if(fp==NULL){
printf("file not found\n");
return 0;
}
h=readHeader(fp);
info.padding=calcPadding(h);
a=readImage(h->width,h->height,h->bfoffset,fp,&info);
slice(h,a,&info,10);
fclose(fp);
return 0;
}
long *FileBmp::loadBmp(std::string filename, int &width, int &height)
{
if (FILE *stream = fopen(filename.c_str(), "rb"))
{
long *result = NULL;
//=========================================================
BITMAPFILEHEADER bmfHeader;
fread(&bmfHeader, sizeof(BITMAPFILEHEADER), 1, stream);
//=========================================================
if (bmfHeader.bfType == BF_TYPE)
{
//=========================================================
BITMAPINFOHEADER bmiHeader;
fread(&bmiHeader, sizeof(BITMAPINFOHEADER), 1, stream);
//=========================================================
width = bmiHeader.biWidth;
height = bmiHeader.biHeight;
long pixelCnt = width * height;
int bitCount = bmiHeader.biBitCount;
long padding = calcPadding(width, bitCount);
//=========================================================
if (
(bitCount == 1 || bitCount == 4 || bitCount == 8) ||
bitCount == 24
)
{
result = new long[pixelCnt];
if (bitCount != 24)
{
long colorCnt = (long) pow(2, bitCount);
RGBQUAD *palette = new RGBQUAD[colorCnt];
fread(palette, sizeof(RGBQUAD), colorCnt, stream);
for (int i = 0; i < height; i++)
{
for (int j = 0; j < width; j++)
{
long chunkIndex = j % (SIZE_BYTE / bitCount);
BYTE chunk = 0;
if (!chunkIndex)
chunk = fgetc(stream); // get new chunk
// isolate sub-chunk
//=====================================
chunk = chunk << (chunkIndex * bitCount);
chunk = chunk >> (SIZE_BYTE - bitCount);
//=====================================
result[i * width + j] = rgb(
palette[chunk].rgbRed,
palette[chunk].rgbGreen,
palette[chunk].rgbBlue
);
}
fseek(stream, padding, SEEK_CUR);
}
delete []palette;
}
