1 files changed, 63 insertions, 0 deletions
diff --git a/Week15 Mandelbrot/src/mandelbrot/GridView.java b/Week15 Mandelbrot/src/mandelbrot/GridView.java
new file mode 100644
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+++ b/Week15 Mandelbrot/src/mandelbrot/GridView.java
@@ -0,0 +1,63 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package mandelbrot;
+
+import java.awt.Dimension;
+import java.awt.Graphics;
+import java.awt.image.BufferedImage;
+import java.awt.image.WritableRaster;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.swing.JComponent;
+import javax.swing.JPanel;
+
+/**
+ *
+ * @author Sjaak
+ */
+public class GridView extends JPanel implements Grid
+{
+    private BufferedImage  gridImage;
+    private WritableRaster gridRaster;
+
+
+    public static final int GRID_WIDTH = 600, GRID_HEIGHT = 600;
+    public static final int PIXELS_PER_REPAINT = (GRID_WIDTH * GRID_WIDTH) / 20;
+
+    public GridView() {
+        gridImage = new BufferedImage(GRID_WIDTH, GRID_WIDTH, BufferedImage.TYPE_INT_RGB);
+        gridRaster = gridImage.getRaster();
+        setPreferredSize(new Dimension(GRID_WIDTH, GRID_WIDTH));
+    }
+ 
+    @Override
+    public void paintComponent(Graphics g) {
+        super.paintComponent(g);
+        g.drawImage(gridImage, 0, 0, null);
+    }
+    
+    private int nrOfPixelsSet = 0;
+    
+    @Override
+    public void setPixel(int x, int y, int[] rgb) {
+        gridRaster.setPixel (x, y, rgb);
+        nrOfPixelsSet++;
+        if (nrOfPixelsSet == PIXELS_PER_REPAINT) {
+            repaint();
+            nrOfPixelsSet = 0;
+        }
+    }
+
+    @Override
+    public int getWidth() {
+        return GRID_WIDTH;
+    }
+
+    @Override
+    public int getHeight() {
+        return GRID_HEIGHT;
+    }
+    
+}