Viewing file:  gif.c (1.01 KB) -rw-r--r--
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#include <stdio.h>
#include <stdlib.h>
#include <gd.h>
int main(void)
{
int i;
FILE * out;
gdImagePtr im;
gdImagePtr prev =NULL;
int black;
im = gdImageCreate(100, 100);
if (!im) {
fprintf(stderr, "can't create image");
return 1;
}
out = fopen("anim.gif", "wb");
if (!out) {
fprintf(stderr, "can't create file %s", "anim.gif");
return 1;
}
gdImageColorAllocate(im, 255, 255, 255); /* allocate white as side effect */
gdImageGifAnimBegin(im, out, 1, -1);
for(i = 0; i < 20; i++) {
int r,g,b;
im = gdImageCreate(100, 100);
r = rand() % 255;
g = rand() % 255;
b = rand() % 255;
gdImageColorAllocate(im, 255, 255, 255); /* allocate white as side effect */
black = gdImageColorAllocate(im, r, g, b);
printf("(%i, %i, %i)\n",r, g, b);
gdImageFilledRectangle(im, rand() % 100, rand() % 100, rand() % 100, rand() % 100, black);
gdImageGifAnimAdd(im, out, 1, 0, 0, 10, 1, prev);
if(prev) {
gdImageDestroy(prev);
}
prev = im;
}
gdImageGifAnimEnd(out);
fclose(out);
return 0;
}
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