June 2018 Update

Task/Bitmap/Julia/bitmap.julia

@@ -0,0 +1,24 @@
+using Images, Colors
+
+Base.hex(p::RGB{T}) where T = join(hex(c(p), 2) for c in (red, green, blue))
+function showhex(m::Matrix{RGB{T}}, pad::Integer=4) where T
+    for r in 1:size(m, 1)
+        println(" " ^ pad, join(hex.(m[r, :]), " "))
+    end
+end
+
+w, h = 5, 7
+cback = RGB(1, 0, 1)
+cfore = RGB(0, 1, 0)
+
+img = Array{RGB{N0f8}}(h, w);
+println("Uninitialized image:")
+showhex(img)
+
+fill!(img, cback)
+println("\nImage filled with background color:")
+showhex(img)
+
+img[2, 3] = cfore
+println("\nImage with a pixel set for foreground color:")
+showhex(img)