19 строки
478 B
Plaintext
19 строки
478 B
Plaintext
require ("png");
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define slsh_main ()
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{
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variable image_row = [0:255];
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variable gray_img = UChar_Type[32,256];
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variable i;
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_for i (0, 31, 1) gray_img[i,*] = image_row;
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variable cmaps = png_get_colormap_names ();
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variable n = length (cmaps);
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variable rgb_image = UInt32_Type [32*n, 256];
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_for i (0, n-1, 1)
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{
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variable cmap = cmaps[i];
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rgb_image[[i*32+[0:31]],*] = png_gray_to_rgb (gray_img, cmap);
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}
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png_write ("colormap.png", rgb_image);
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}
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