public void updatePanelSize() {
// Set panel size.
if (stmt != null && stmt.getWidth() > 0 && stmt.getHeight() > 0) {
int width, height;
switch (panel.getFitMode()) {
case FIT_VERTICAL:
height = getViewport().getHeight();
width = stmt.getWidth() * height / stmt.getHeight();
break;
case FIT_HORIZONTAL:
width = getViewport().getWidth();
height = stmt.getHeight() * width / stmt.getWidth();
break;
case FIT_BOTH:
width = getViewport().getWidth();
height = getViewport().getHeight();
break;
case ORIGINAL:
default:
width = stmt.getWidth();
height = stmt.getHeight();
break;
}
panel.setPreferredSize(new Dimension(width, height));
panel.setSize(new Dimension(width, height));
}
}
public int imageToViewY(int y) {
switch (panel.getFitMode()) {
case FIT_BOTH:
case FIT_VERTICAL:
return y * panel.getHeight() / stmt.getHeight();
case FIT_HORIZONTAL:
return y * panel.getWidth() / stmt.getWidth();
default:
return y;
}
}
public int viewToImageX(int x) {
switch (panel.getFitMode()) {
case FIT_BOTH:
case FIT_HORIZONTAL:
return x * stmt.getWidth() / panel.getWidth();
case FIT_VERTICAL:
return x * stmt.getHeight() / panel.getHeight();
default:
return x;
}
}
private void changeFitMode() {
switch (panel.getFitMode()) {
case ORIGINAL:
setFitMode(FitMode.FIT_VERTICAL);
break;
case FIT_VERTICAL:
setFitMode(FitMode.FIT_HORIZONTAL);
break;
case FIT_HORIZONTAL:
setFitMode(FitMode.FIT_BOTH);
break;
case FIT_BOTH:
default:
setFitMode(FitMode.ORIGINAL);
break;
}
}
public void setStmt(Stmt stmt) {
this.stmt = stmt;
panel.setStmt(stmt);
setFitMode(panel.getFitMode());
repaint();
}