Another update from ingydotnet^djgoku

Task/Bitmap-Bresenhams-line-algorithm/Julia/bitmap-bresenhams-line-algorithm.julia

@@ -0,0 +1,23 @@
+function line(img, x0::Int, y0::Int, x1::Int, y1::Int, col)
+	dx = int(abs(x1-x0))
+	dy = int(abs(y1-y0))
+
+	sx = x0<x1 ? 1 : -1
+	sy = y0<y1 ? 1 : -1;
+
+	err = (dx>dy ? dx : -dy)/2
+
+	while true
+		@inbounds img[x0,y0]=col
+		if (x0==x1 && y0==y1); break; end
+		e2 = err;
+		if e2 > -dx
+			err -= dy
+			x0 += sx
+		end
+		if e2 < dy
+			err += dx
+			y0 += sy
+		end
+	end
+end