public void mouseReleased(MouseEvent evt) {
Graphics g = canvas.getGraphics();
g.setColor(color);
g.setPaintMode();
end = evt.getPoint();
if (type == 0) {
g.drawRect(start.x, start.y, end.x - start.x, end.y - start.y);
if (filled.getState() == true) g.fillRect(start.x, start.y, end.x - start.x, end.y - start.y);
status.setText("2. Ecke des Rechtecks festgelegt");
} else if (type == 1) {
int radius;
radius = (int) Math.sqrt(Math.pow(end.x - start.x, 2) + Math.pow(end.y - start.y, 2));
g.drawOval(start.x - radius, start.y - radius, 2 * radius, 2 * radius);
if (filled.getState() == true)
g.fillOval(start.x - radius, start.y - radius, 2 * radius, 2 * radius);
status.setText("Radius des Kreises festgelegt");
} else if (type == 2) {
g.drawOval(start.x, start.y, end.x - start.x, end.y - start.y);
if (filled.getState() == true) g.fillOval(start.x, start.y, end.x - start.x, end.y - start.y);
status.setText("Radius der Ellipse festgelegt");
}
}
public void mouseDragged(MouseEvent evt) {
Graphics g = canvas.getGraphics();
g.setColor(color);
if (type == 0) {
g.setXORMode(canvas.getBackground());
g.drawRect(start.x, start.y, end.x - start.x, end.y - start.y);
end = evt.getPoint();
g.drawRect(start.x, start.y, end.x - start.x, end.y - start.y);
} else if (type == 1) {
int radius;
g.setXORMode(canvas.getBackground());
radius = (int) Math.sqrt(Math.pow(end.x - start.x, 2) + Math.pow(end.y - start.y, 2));
g.drawOval(start.x - radius, start.y - radius, 2 * radius, 2 * radius);
end = evt.getPoint();
radius = (int) Math.sqrt(Math.pow(end.x - start.x, 2) + Math.pow(end.y - start.y, 2));
g.drawOval(start.x - radius, start.y - radius, 2 * radius, 2 * radius);
} else if (type == 2) {
g.setXORMode(canvas.getBackground());
g.drawOval(start.x, start.y, end.x - start.x, end.y - start.y);
end = evt.getPoint();
g.drawOval(start.x, start.y, end.x - start.x, end.y - start.y);
}
}