public void paint(Graphics g) {
if (pointListener.isListening()) {
drawGadgets(g);
drawFingers(g);
}
if (gadgetSetup != null) {
drawSetup(g);
}
repaint();
}
/**
* Draws all the fingers on the graphics object using the normalized points stored in the
* PointListener
*
* @param g Graphics object used for drawing
*/
public void drawFingers(Graphics g) {
g.setColor(Color.green);
Vector fingerPosition = pointListener.getNormalizedFingerPosition();
if (fingerPosition == null) {
return;
}
float circleX = getWidth() * fingerPosition.getX();
float circleY = getHeight() * (1 - fingerPosition.getY());
float radius = getWidth() * FINGER_RADIUS_RATIO;
drawCircle(g, (int) circleX, (int) circleY, (int) radius);
}
/**
* Custom method for painting all the current gadgets that the PointListener listens to
*
* @param g The graphics object to draw to
*/
public void drawGadgets(Graphics g) {
g.setColor(Color.red);
ArrayList<ScreenGadget> myScreenGadgets = pointListener.getScreenGadgets();
for (ScreenGadget curGadget : myScreenGadgets) {
Vector topLeft = curGadget.getNormalizedTopLeft();
Vector bottomRight = curGadget.getNormalizedBottomRight();
if (topLeft == null || bottomRight == null) {
continue;
}
float nLX = getWidth() * curGadget.getNormalizedTopLeft().getX();
// Subtract Y-Coordinate from 1 because (0,0) is top left in application window
float nLY = getHeight() * (1 - curGadget.getNormalizedTopLeft().getY());
float nRX = getWidth() * curGadget.getNormalizedBottomRight().getX();
float nRY = getHeight() * (1 - curGadget.getNormalizedBottomRight().getY());
g.drawRect((int) nLX, (int) nLY, (int) (nRX - nLX), (int) (nRY - nLY));
}
}