void drawOverlay(Graphics g) {
if (imp != null && imp.getHideOverlay()) return;
Color labelColor = overlay.getLabelColor();
if (labelColor == null) labelColor = Color.white;
initGraphics(g, labelColor, Roi.getColor());
int n = overlay.size();
if (IJ.debugMode) IJ.log("paint: drawing " + n + " ROI display list");
int currentImage = imp != null ? imp.getCurrentSlice() : -1;
if (imp.getStackSize() == 1) currentImage = -1;
int channel = 0, slice = 0, frame = 0;
boolean hyperstack = imp.isHyperStack();
if (hyperstack) {
channel = imp.getChannel();
slice = imp.getSlice();
frame = imp.getFrame();
}
drawNames = overlay.getDrawNames();
boolean drawLabels = drawNames || overlay.getDrawLabels();
for (int i = 0; i < n; i++) {
if (overlay == null) break;
Roi roi = overlay.get(i);
if (hyperstack && roi.getPosition() == 0) {
int c = roi.getCPosition();
int z = roi.getZPosition();
int t = roi.getTPosition();
if ((c == 0 || c == channel) && (z == 0 || z == slice) && (t == 0 || t == frame))
drawRoi(g, roi, drawLabels ? i + LIST_OFFSET : -1);
} else {
int position = roi.getPosition();
if (position == 0 || position == currentImage)
drawRoi(g, roi, drawLabels ? i + LIST_OFFSET : -1);
}
}
((Graphics2D) g).setStroke(Roi.onePixelWide);
drawNames = false;
}
