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#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[]) {
int retval;
FILE *fbmp, *fraw;
unsigned char mrgb[3], mask, *bitmap;
int row, col, x, y, offset;
retval = 0;
if (4 != argc) {
fprintf(stderr, "bmpraw (C) 2004 by oliver\n");
fprintf(stderr, "Usage: %s {24|8} in.bmp out.raw\n", argv[0]);
} else {
if (NULL == (fbmp = fopen(argv[2], "rb"))) {
perror("fopen(IMAGE_FILE)");
retval = 1;
} else if (NULL == (fraw = fopen(argv[3], "wb"))) {
perror("fopen(OUT_FILE)");
retval = 1;
} else {
fseek(fbmp, 10L, SEEK_SET);
fread(mrgb, 1, 4, fbmp);
offset = mrgb[3];
offset <<= 8;
offset += mrgb[2];
offset <<= 8;
offset += mrgb[1];
offset <<= 8;
offset += mrgb[0];
fseek(fbmp, 18L, SEEK_SET);
fread(mrgb, 1, 4, fbmp);
x = mrgb[3];
x <<= 8;
x += mrgb[2];
x <<= 8;
x += mrgb[1];
x <<= 8;
x += mrgb[0];
fseek(fbmp, 22L, SEEK_SET);
fread(mrgb, 1, 4, fbmp);
y = mrgb[3];
y <<= 8;
y += mrgb[2];
y <<= 8;
y += mrgb[1];
y <<= 8;
y += mrgb[0];
fseek(fbmp, offset, SEEK_SET);
printf("Image Resolution: %dx%d\n", x, y);
bitmap = malloc(4 * (x * y));
for (row = y; row; row--) {
for (col = 0; col != x; col++) {
if (24 == atoi(argv[1])) {
fread(&mrgb, sizeof(char), 3, fbmp);
bitmap[(((row *x) +col) *3) +0] = mrgb[2];
bitmap[(((row *x) +col) *3) +1] = mrgb[1];
bitmap[(((row *x) +col) *3) +2] = mrgb[0];
} else if (8 == atoi(argv[1])) {
fread(&mrgb, sizeof(char), 1, fbmp);
bitmap[((row *x) +col)] = mrgb[0];
}
}
}
fwrite(bitmap, (24 == atoi(argv[1])) ? 3 : 1, (long)(x * y), fraw);
fprintf(stdout, "Converting to raw\n");
free(bitmap);
fclose(fbmp);
fclose(fraw);
}
}
return retval;
}
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