/**
* Builds the display list for a given display list index.
*
* @param gl Instance of GL2.
* @param iGLDisplayListIndex Index of the display list.
*/
private void buildDisplayList(final GL2 gl, int iGLDisplayListIndex) {
if (pdRealRootElement != null && pdCurrentRootElement != null) {
gl.glNewList(iGLDisplayListIndex, GL2.GL_COMPILE);
float fXCenter = viewFrustum.getWidth() / 2;
float fYCenter = viewFrustum.getHeight() / 2;
gl.glLoadIdentity();
upwardNavigationSlider.draw(
gl,
pickingManager,
textureManager,
uniqueID,
iUpwardNavigationSliderID,
iUpwardNavigationSliderButtonID,
iUpwardNavigationSliderBodyID);
float fCurrentSliderWidth = upwardNavigationSlider.getScaledWidth(gl);
float fCurrentSliderHeight = upwardNavigationSlider.getScaledHeight(gl);
controlBox.setRectangle(
0, 0, fCurrentSliderWidth * 2, fCurrentSliderHeight + fCurrentSliderWidth);
LabelManager.get().setControlBox(controlBox);
drawingController.draw(fXCenter, fYCenter, gl, new GLU());
gl.glEndList();
} else {
renderSymbol(gl, EIconTextures.RADIAL_SYMBOL.getFileName(), 0.5f);
}
}
@Override
public void display(GL2 gl) {
if (isDisplayListDirty && !bIsAnimationActive) {
buildDisplayList(gl, displayListIndex);
isDisplayListDirty = false;
}
if (pdRealRootElement != null && pdCurrentRootElement != null) {
if (upwardNavigationSlider.handleDragging(gl, glMouseListener, pixelGLConverter)) {
updateHierarchyAccordingToNavigationSlider();
}
// clipToFrustum(gl);
//
if (bIsAnimationActive) {
float fXCenter = viewFrustum.getWidth() / 2;
float fYCenter = viewFrustum.getHeight() / 2;
gl.glLoadIdentity();
upwardNavigationSlider.draw(
gl,
pickingManager,
textureManager,
uniqueID,
iUpwardNavigationSliderID,
iUpwardNavigationSliderButtonID,
iUpwardNavigationSliderBodyID);
float fCurrentSliderWidth = upwardNavigationSlider.getScaledWidth(gl);
float fCurrentSliderHeight = upwardNavigationSlider.getScaledHeight(gl);
controlBox.setRectangle(
0, 0, fCurrentSliderWidth * 2, fCurrentSliderHeight + fCurrentSliderWidth);
LabelManager.get().setControlBox(controlBox);
drawingController.draw(fXCenter, fYCenter, gl, new GLU());
} else gl.glCallList(displayListIndex);
} else {
renderSymbol(gl, EIconTextures.RADIAL_SYMBOL.getFileName(), 0.5f);
}
if (!lazyMode) checkForHits(gl);
}
