Data commit

Task/Bitmap/Scala/bitmap-1.scala

@@ -0,0 +1,15 @@
+import java.awt.image.BufferedImage
+import java.awt.Color
+
+class RgbBitmap(val width:Int, val height:Int) {
+   val image=new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR)
+
+   def fill(c:Color)={
+      val g=image.getGraphics()
+      g.setColor(c)
+      g.fillRect(0, 0, width, height)
+   }
+
+   def setPixel(x:Int, y:Int, c:Color)=image.setRGB(x, y, c.getRGB())
+   def getPixel(x:Int, y:Int)=new Color(image.getRGB(x, y))
+}

Task/Bitmap/Scala/bitmap-2.scala

@@ -0,0 +1,8 @@
+val img=new RgbBitmap(50, 50);
+img.fill(Color.CYAN)
+img.setPixel(5, 5, Color.BLUE)
+
+assert(img.getPixel(1,1)==Color.CYAN)
+assert(img.getPixel(5,5)==Color.BLUE)
+assert(img.width==50)
+assert(img.height==50)

Task/Bitmap/Scala/bitmap-3.scala

@@ -0,0 +1,42 @@
+import java.awt.image.BufferedImage
+import java.awt.Color
+
+object RgbBitmap extends App {
+  class RgbBitmap(val dim: (Int, Int)) {
+    def width = dim._1
+    def height = dim._2
+
+    private val image = new BufferedImage(width, height, BufferedImage.TYPE_3BYTE_BGR)
+
+    def apply(x: Int, y: Int) = new Color(image.getRGB(x, y))
+
+    def update(x: Int, y: Int, c: Color) = image.setRGB(x, y, c.getRGB)
+
+    def fill(c: Color) = {
+      val g = image.getGraphics
+      g.setColor(c)
+      g.fillRect(0, 0, width, height)
+    }
+  }
+
+  object RgbBitmap {
+    def apply(width: Int, height: Int) = new RgbBitmap(width, height)
+  }
+
+
+  /** Even Javanese style testing is still possible.
+    */
+  private val img0 = new RgbBitmap(50, 60) { // Wrappers to enable adhoc Javanese style
+    def getPixel(x: Int, y: Int) = this(x, y)
+    def setPixel(x: Int, y: Int, c: Color) = this(x, y) = c
+  }
+
+  img0.fill(Color.CYAN)
+  img0.setPixel(5, 6, Color.BLUE)
+  // Testing in Java style
+  assert(img0.getPixel(0, 1) == Color.CYAN)
+  assert(img0.getPixel(5, 6) == Color.BLUE)
+  assert(img0.width == 50)
+  assert(img0.height == 60)
+  println("Tests successfully completed with no errors found.")
+}