September 2017 Update

Task/Bitmap/Crystal/bitmap.crystal

@@ -0,0 +1,36 @@
+class RGBColor
+  getter red, green, blue
+
+  def initialize(@red = 0_u8, @green = 0_u8, @blue = 0_u8)
+  end
+
+  RED   = new(red: 255_u8)
+  GREEN = new(green: 255_u8)
+  BLUE  = new(blue: 255_u8)
+  BLACK = new
+  WHITE = new(255_u8, 255_u8, 255_u8)
+end
+
+class Pixmap
+  getter width, height
+  @data : Array(Array(RGBColor))
+
+  def initialize(@width : Int32, @height : Int32)
+    @data = Array.new(@width) { Array.new(@height, RGBColor::WHITE) }
+  end
+
+  def fill(color)
+    @data.each &.fill(color)
+  end
+
+  def [](x, y)
+    @data[x][y]
+  end
+
+  def []=(x, y, color)
+    @data[x][y] = color
+  end
+end
+
+bmap = Pixmap.new(5, 5)
+pp bmap