protected void paintComponent(Graphics g) {
Dimension size = this.getSize();
int x = 0;
int y = 0;
g.setColor(new Color((int) seq1, (int) seq2, (int) seq3));
g.fillRect(x, y, size.width, size.height);
}
/**
* Adds pixel to queue and calls repaint() whenever we have MAX_ITEMS pixels in the queue or
* when MAX_TIME msecs have elapsed (whichever comes first). The advantage compared to just
* calling repaint() after adding a pixel to the queue is that repaint() can most often draw
* multiple points at the same time.
*/
public void drawPoint(DrawCommand c) {
if (c == null || gr == null) return;
Color col = new Color(c.rgb);
gr.setColor(col);
gr.fillOval(c.x, c.y, 10, 10);
repaint();
if (state != null) {
synchronized (state) {
state.put(new Point(c.x, c.y), col);
}
}
}
/** Draw the entire panel from the state */
@SuppressWarnings("rawtypes")
public void drawState() {
// clear();
Map.Entry entry;
Point pt;
Color col;
synchronized (state) {
for (Iterator it = state.entrySet().iterator(); it.hasNext(); ) {
entry = (Map.Entry) it.next();
pt = (Point) entry.getKey();
col = (Color) entry.getValue();
gr.setColor(col);
gr.fillOval(pt.x, pt.y, 10, 10);
}
}
repaint();
}
/** Clear all contents */
public void clear() {
if (gr == null) return;
gr.clearRect(0, 0, getSize().width, getSize().height);
repaint();
if (state != null) {
synchronized (state) {
state.clear();
}
}
}
public void paintComponent(Graphics g) {
super.paintComponent(g);
if (img != null) {
g.drawImage(img, 0, 0, null);
}
}