/**
* Sets the start frame for this model. Also sets the initial time to the video clip time at the
* start frame.
*
* @param n the desired start frame
*/
public void setStartFrame(int n) {
VideoClip clip = trackerPanel.getPlayer().getVideoClip();
n = Math.max(n, clip.getFirstFrameNumber()); // not less than first frame
int end = clip.getLastFrameNumber();
n = Math.min(n, end); // not greater than last frame
n = Math.min(n, getEndFrame()); // not greater than endFrame
if (n == startFrame) return;
startFrame = n;
refreshInitialTime();
lastValidFrame = -1;
refreshSteps();
trackerPanel.repaint();
firePropertyChange("model_start", null, getStartFrame()); // $NON-NLS-1$
}
/**
* Sets the end frame for this model.
*
* @param n the desired end frame
*/
public void setEndFrame(int n) {
VideoClip clip = trackerPanel.getPlayer().getVideoClip();
int end = clip.getLastFrameNumber();
n = Math.max(n, 0); // not less than zero
n = Math.max(n, getStartFrame()); // not less than startFrame
if (n == getEndFrame()) return;
endFrame = n < end ? n : Integer.MAX_VALUE;
if (n < lastValidFrame) {
trimSteps();
} else {
refreshSteps();
}
trackerPanel.repaint();
firePropertyChange("model_end", null, getEndFrame()); // $NON-NLS-1$
}