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package fractals;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.awt.image.WritableRaster;
import javax.swing.JPanel;
/**
*
* @author Sjaak Smetsers
* @version 1.1 --- 14-03-2013
*/
/**
* An implementation of the Grid interface
*
* @author Sjaak
*/
public class GridView extends JPanel implements Grid {
private BufferedImage gridImage;
private WritableRaster gridRaster;
private int gridWidth, gridHeight;
private static final int REPAINT_NUMBER = 2000;
private int nrOfPixelsSet;
/**
* creates a drawing panel with specified size
*
* @param width of the panel
* @param height of the panel
*/
public GridView(int width, int height) {
gridWidth = width;
gridHeight = height;
gridImage = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
gridRaster = gridImage.getRaster();
setPreferredSize(new Dimension(width, height));
}
@Override
public void paintComponent(Graphics g) {
super.paintComponent(g);
g.drawImage(gridImage, 0, 0, null);
}
/**
* draws the specified pixel with the indicated color
*
* @param x coordinate of the location
* @param y coordinate of the location
* @param rgb array with length 3 containing the rgb values
*/
@Override
public void setPixel(int x, int y, int[] rgb) {
gridRaster.setPixel(x, y, rgb);
nrOfPixelsSet++;
if (nrOfPixelsSet > REPAINT_NUMBER) {
nrOfPixelsSet = 0;
repaint();
}
}
/**
* a getter for width
*
* @return width of the drawing panel
*/
@Override
public int getWidth() {
return gridWidth;
}
/**
* a getter for height
*
* @return height of the drawing panel
*/
@Override
public int getHeight() {
return gridHeight;
}
}
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