Another update from ingydotnet^djgoku

Task/Bitmap/Julia/bitmap-1.julia

@@ -0,0 +1,36 @@
+using Color, Images, FixedPointNumbers
+
+function hexify(pxl::RGB)
+    p = reinterpret(Uint8, [pxl.r, pxl.g, pxl.b])
+    join(map(x->hex(x, 2), p))
+end
+
+function showimagehex(a::Image)
+    s = "    "
+    for i in 1:height(a)
+        for j in 1:width(a)
+            s *= " "*hexify(a["x", j, "y", i])
+        end
+        s *= "\n    "
+    end
+    return s
+end
+
+w = 5
+h = 7
+cback = RGB(1, 0, 1)
+cfore = RGB(0, 1, 0)
+
+a = Array(RGB{Ufixed8}, h, w)
+img = Image(a)
+
+println("Uninitialized image:")
+println(showimagehex(img))
+
+fill!(img, cback)
+println("Image filled with background color:")
+println(showimagehex(img))
+
+img["x", 2, "y", 3] = cfore
+println("Image with a pixel set for foreground color:")
+println(showimagehex(img))