Data commit

Task/Mandelbrot-set/Scala/mandelbrot-set-1.scala

@@ -0,0 +1,43 @@
+import org.rosettacode.ArithmeticComplex._
+import java.awt.Color
+
+object Mandelbrot
+{
+   def generate(width:Int =600, height:Int =400)={
+      val bm=new RgbBitmap(width, height)
+
+      val maxIter=1000
+      val xMin = -2.0
+      val xMax =  1.0
+      val yMin = -1.0
+      val yMax =  1.0
+
+      val cx=(xMax-xMin)/width
+      val cy=(yMax-yMin)/height
+
+      for(y <- 0 until bm.height; x <- 0 until bm.width){
+         val c=Complex(xMin+x*cx, yMin+y*cy)
+         val iter=itMandel(c, maxIter, 4)
+         bm.setPixel(x, y, getColor(iter, maxIter))
+      }
+      bm
+   }
+
+   def itMandel(c:Complex, imax:Int, bailout:Int):Int={
+      var z=Complex()
+      for(i <- 0 until imax){
+         z=z*z+c;
+         if(z.abs > bailout) return i
+      }
+      imax;
+   }
+
+   def getColor(iter:Int, max:Int):Color={
+      if (iter==max) return Color.BLACK
+
+      var c=3*math.log(iter)/math.log(max-1.0)
+      if(c<1) new Color((255*c).toInt, 0, 0)
+      else if(c<2) new Color(255, (255*(c-1)).toInt, 0)
+      else new Color(255, 255, (255*(c-2)).toInt)
+   }
+}

Task/Mandelbrot-set/Scala/mandelbrot-set-2.scala

@@ -0,0 +1,6 @@
+import scala.swing._
+import javax.swing.ImageIcon
+val imgMandel=Mandelbrot.generate()
+val mainframe=new MainFrame(){title="Test"; visible=true
+   contents=new Label(){icon=new ImageIcon(imgMandel.image)}
+}