package examples.colorpicker2;
import java.awt.*;
import java.awt.image.MemoryImageSource;
import java.awt.image.PixelGrabber;
public class CanvasHS extends Canvas{
static final int HEIGHT = 255;
static final int WIDTH = 255;
private int[] colormap = new int[WIDTH*HEIGHT];
private Image col = null;
private Point cur_point = new Point();
CanvasHS(){
//super.setBackground(Color.black);
super.resize(WIDTH, HEIGHT);
for (int x = 0; x < WIDTH; x++){
for (int y = 1; y <= HEIGHT; y++){
colormap[x + (HEIGHT - y)*WIDTH] = Color.HSBtoRGB(((float) x)/HEIGHT, ((float) y)/WIDTH, (float) 0.75);
}
}
col = createImage(new MemoryImageSource(WIDTH, HEIGHT, colormap, 0, WIDTH));
}
public Color getColorAt(int x, int y){
Color couleur = new Color(colormap[x + y*WIDTH]);
return couleur;
}
public void paint(Graphics g){
g.drawImage(col, 0, 0, this);
}
}