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