Data update

Task/Bitmap-Bresenhams-line-algorithm/Pluto/bitmap-bresenhams-line-algorithm.pluto

@@ -1,27 +0,0 @@
-local canvas = require "canvas"
-
-local function line(c, x0, y0, x1, y1, col)
-    local dx = math.abs(x1 - x0)
-    local dy = math.abs(y1 - y0)
-    local sx = (x0 < x1) ? 1 : -1
-    local sy = (y0 < y1) ? 1 : -1
-    local err = (dx > dy ? dx : - dy) // 2
-    while true do
-        c:set(x0, y0, col)
-        if x0 == x1 and y0 == y1 then break end
-        local e2 = err
-        if e2 > -dx then
-            err -= dy
-            x0 += sx
-        end
-        if e2 < dy then
-            err += dx
-            y0 += sy
-        end
-    end
-end
-
-local c = canvas.new(400, 400)
-c:fill(0xffffff)                    -- white background
-line(c, 0, 0, 399, 399, 0x0000ff)   -- draw a red diagonal
-io.contents("mybmp.bmp", c:tobmp()) -- save to a bitmap file