17 lines
441 B
C
17 lines
441 B
C
#define MAXCMDBUF 100
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void print_jpg(image img, int qual)
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{
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char buf[MAXCMDBUF];
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unsigned int n;
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FILE *pipe;
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snprintf(buf, MAXCMDBUF, "convert ppm:- -quality %d jpg:-", qual);
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pipe = popen(buf, "w");
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if ( pipe != NULL )
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{
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fprintf(pipe, "P6\n%d %d\n255\n", img->width, img->height);
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n = img->width * img->height;
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fwrite(img->buf, sizeof(pixel), n, pipe);
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pclose(pipe);
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}
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}
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