private void zentriere(java.awt.Frame hf) {
java.awt.Point OL = hf.getLocationOnScreen();
OL.translate(hf.getWidth() / 2, hf.getHeight() / 2);
OL.translate(-this.getWidth() / 2, -this.getHeight() / 2);
if (OL.getX() < 0) OL.setLocation(0, OL.getY());
if (OL.getY() < 0) OL.setLocation(OL.getX(), 0);
this.setLocation(OL);
}
/**
* Draws this without refreshing steps.
*
* @param panel the drawing panel requesting the drawing
* @param _g the graphics context on which to draw
*/
public void drawMe(DrawingPanel panel, Graphics _g) {
// position and show inspector if requested during loading
if (inspectorX != Integer.MIN_VALUE
&& trackerPanel != null
&& trackerPanel.getTFrame() != null) {
positionInspector();
Runnable runner =
new Runnable() {
public void run() {
showInspector = false;
inspector.setVisible(true);
}
};
if (showInspector) SwingUtilities.invokeLater(runner);
}
if (isVisible() && isTraceVisible()) {
// draw trace only if fixed coords & (non-worldview or no ref frame)
TrackerPanel tPanel = (TrackerPanel) panel;
ImageCoordSystem coords = tPanel.getCoords(); // get active coords
boolean isRefFrame = coords instanceof ReferenceFrame;
if (isRefFrame) {
coords = ((ReferenceFrame) coords).getCoords();
}
boolean fixed = coords.isFixedAngle() && coords.isFixedOrigin() && coords.isFixedScale();
if (fixed && (!(tPanel instanceof WorldTView) || !isRefFrame)) {
trace.reset();
for (int i = 0; i < traceX.length; i++) {
if (Double.isNaN(traceX[i])) continue;
tracePt.setLocation(traceX[i], traceY[i]);
java.awt.Point p = tracePt.getScreenPosition(tPanel);
if (trace.getCurrentPoint() == null) trace.moveTo((float) p.getX(), (float) p.getY());
else trace.lineTo((float) p.getX(), (float) p.getY());
}
Graphics2D g2 = (Graphics2D) _g;
Color color = g2.getColor();
Stroke stroke = g2.getStroke();
g2.setColor(getFootprint().getColor());
g2.setStroke(traceStroke);
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
g2.draw(trace);
// restore original color and stroke
g2.setColor(color);
g2.setStroke(stroke);
}
}
super.draw(panel, _g);
}