+ return;
+ }
+ if (start == end && end == -1)
+ {
+ start = 0;
+ end = alignmentAnnotation.annotations.length;
+ }
+ if (hiddenColumns != null && hiddenColumns.size() > 0)
+ {
+ // then mangle the alignmentAnnotation annotation array
+ Vector<Annotation []> annels = new Vector<Annotation []>();
+ Annotation[] els = null;
+ List<int[]> regions = getHiddenColumns();
+ int blockStart = start, blockEnd = end;
+ int[] region;
+ int hideStart, hideEnd, w = 0;
+
+ for (int j = 0; j < regions.size(); j++)
+ {
+ region = regions.get(j);
+ hideStart = region[0];
+ hideEnd = region[1];
+
+ if (hideStart < start)
+ {
+ continue;
+ }
+
+ blockStart = Math.min(blockStart, hideEnd + 1);
+ blockEnd = Math.min(blockEnd, hideStart);
+
+ if (blockStart > blockEnd)
+ {
+ break;
+ }
+
+ annels.addElement(els = new Annotation[blockEnd - blockStart]);
+ System.arraycopy(alignmentAnnotation.annotations, blockStart, els,
+ 0, els.length);
+ w += els.length;
+ blockStart = hideEnd + 1;
+ blockEnd = end;
+ }
+
+ if (end > blockStart)
+ {
+ annels.addElement(els = new Annotation[end - blockStart + 1]);
+ if ((els.length + blockStart) <= alignmentAnnotation.annotations.length)
+ {
+ // copy just the visible segment of the annotation row
+ System.arraycopy(alignmentAnnotation.annotations, blockStart,
+ els, 0, els.length);
+ }
+ else
+ {
+ // copy to the end of the annotation row
+ System.arraycopy(alignmentAnnotation.annotations, blockStart,
+ els, 0,
+ (alignmentAnnotation.annotations.length - blockStart));
+ }
+ w += els.length;
+ }
+ if (w == 0)
+ {
+ return;
+ }