gd-libgd / src / gifanimtest.c

#include "config.h"

#include "gd.h"

int main(void)
	gdImagePtr im;
	gdImagePtr last, cim;
	int blue;
	FILE *out;
	int i;
	im = gdImageCreate(100, 100);
	blue = gdImageColorAllocate(im, 0, 0, 255);
	out = fopen("gifanim.gif", "wb");
	gdImageGifAnimBegin(im, out, 1, 10);
	last = 0;
	for (i = 0; (i <= 100); i += 2) {
		cim = gdImageCreate(100, 100);
		gdImagePaletteCopy(cim, im);
		gdImageArc(cim, 50, 50, i, i, 0, 360, blue);
		gdImageGifAnimAdd(cim, out, 0, 0, 0, 10, gdDisposalNone, last);
		if (last) {
		last = cim;
	return 0;
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