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import waba.ui.*;
import waba.fx.*;
/**
* A control that allows a user to draw using the pen or mouse.
*/
public class DrawArea extends Control
{
Graphics drawg;
int lastX, lastY;
public void onEvent(Event event)
{
if (drawg == null)
{
drawg = createGraphics();
drawg.setClip(0, 0, this.width, this.height);
}
if (event.type == PenEvent.PEN_DOWN)
{
PenEvent penEvent = (PenEvent)event;
lastX = penEvent.x;
lastY = penEvent.y;
}
else if (event.type == PenEvent.PEN_DRAG)
{
PenEvent penEvent = (PenEvent)event;
drawg.drawLine(lastX, lastY, penEvent.x, penEvent.y);
lastX = penEvent.x;
lastY = penEvent.y;
}
}
public void clear()
{
repaint();
}
public void onPaint(Graphics g)
{
// erase draw area in white
g.setColor(255, 255, 255);
g.fillRect(0, 0, this.width, this.height);
}
}
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