@Override
public void paint(Graphics2D g2d, int viewWidth, int viewHeight) {
if (!visible) {
return;
}
g2d.setClip(x, y, w, h);
if (bkgColor != null) {
g2d.setColor(bkgColor);
g2d.fillRect(x, y, w, h);
}
standardStroke = g2d.getStroke();
// be sure to call the translate instruction before getting the standard transform
// as the latter's matrix is preconcatenated to the translation matrix of glyphs
// that use AffineTransforms for translation
standardTransform = g2d.getTransform();
drawnGlyphs = cameraSpace.getDrawnGlyphs(camIndex);
synchronized (drawnGlyphs) {
drawnGlyphs.clear();
uncoef = (camera.focal + camera.altitude) / camera.focal;
// compute region seen from this view through camera
viewWC = camera.vx - (w / 2) * uncoef;
viewNC = camera.vy + (h / 2) * uncoef;
viewEC = camera.vx + (w / 2) * uncoef;
viewSC = camera.vy - (h / 2) * uncoef;
gll = cameraSpace.getDrawingList();
for (int i = 0; i < gll.length; i++) {
if (gll[i] != null) {
synchronized (gll[i]) {
if (gll[i].visibleInViewport(viewWC, viewNC, viewEC, viewSC, camera)) {
// if glyph is at least partially visible in the reg. seen from this view, display
gll[i].project(camera, size); // an invisible glyph should still be projected
if (gll[i].isVisible()) { // as it can be sensitive
gll[i].draw(g2d, w, h, camIndex, standardStroke, standardTransform, x, y);
}
}
}
}
}
}
// paint region observed through observedRegionCamera
observedRegion = observedRegionView.getVisibleRegion(observedRegionCamera, observedRegion);
g2d.setColor(observedRegionColor);
orcoef = (float) (camera.focal / (camera.focal + camera.altitude));
if (acST != null) {
g2d.setComposite(acST);
g2d.fillRect(
(int) (x + w / 2 + Math.round((observedRegion[0] - camera.vx) * orcoef)),
(int) (y + h / 2 - Math.round((observedRegion[1] - camera.vy) * orcoef)),
(int) Math.round((observedRegion[2] - observedRegion[0]) * orcoef),
(int) Math.round((observedRegion[1] - observedRegion[3]) * orcoef));
g2d.setComposite(Translucent.acO);
}
g2d.drawRect(
(int) (x + w / 2 + Math.round((observedRegion[0] - camera.vx) * orcoef)),
(int) (y + h / 2 - Math.round((observedRegion[1] - camera.vy) * orcoef)),
(int) Math.round((observedRegion[2] - observedRegion[0]) * orcoef),
(int) Math.round((observedRegion[1] - observedRegion[3]) * orcoef));
// reset Graphics2D
g2d.setClip(0, 0, viewWidth, viewHeight);
if (borderColor != null) {
g2d.setColor(borderColor);
g2d.drawRect(x, y, w, h);
}
}
