28 lines
639 B
C
28 lines
639 B
C
#include <stdio.h>
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int main(void) {
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const int image_width = 256;
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const int image_height = 256;
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printf("P3\n%u %u\n255\n", image_width, image_height);
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for (int j = image_height - 1; j >= 0; --j) {
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fprintf(stderr, "\rScanlines remaining: %d ", j);
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for (int i = 0; i < image_width; ++i) {
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double r = (double)(i) / (image_width - 1);
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double g = (double)(j) / (image_height - 1);
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double b = 0.25;
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int ir = (int)(255.999 * r);
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int ig = (int)(255.999 * g);
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int ib = (int)(255.999 * b);
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printf("%d %d %d\n", ir, ig, ib);
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}
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}
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fprintf(stderr, "\nDone.\n");
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return 0;
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}
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