Bitmap/Bresenham's line algorithm: Difference between revisions

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m →‎{{header|C}}: Another case problem
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=={{header|C}}==
 
<lang Cc>#define plot(x, y) put_pixel_clip(img, x, y, r, g, b)
#define swap_uint(a, b) do{ unsigned int tmp; tmp = a; a = b; b = tmp; }while(0)