+ if (columns == 0)
+ {
+ return;
+ }
+
+ Graphics gg = img.getGraphics();
+
+ ViewportRanges ranges = av.getRanges();
+ int viewportWidth = ranges.getViewportWidth();
+ int charWidth = av.getCharWidth();
+
+ /**
+ * draw full height alignment in the second last row, last columns, if the
+ * last row was not full height
+ */
+ int visibleWidths = wrappedVisibleWidths;
+ int canvasHeight = getHeight();
+ boolean lastWidthPartHeight = (wrappedVisibleWidths
+ * wrappedRepeatHeightPx) > canvasHeight;
+
+ if (lastWidthPartHeight)
+ {
+ int widthsAbove = Math.max(0, visibleWidths - 2);
+ int ypos = wrappedRepeatHeightPx * widthsAbove
+ + wrappedSpaceAboveAlignment;
+ int endRes = ranges.getEndRes();
+ endRes += widthsAbove * viewportWidth;
+ int startRes = endRes - columns;
+ int xOffset = ((startRes - ranges.getStartRes()) % viewportWidth)
+ * charWidth;
+
+ /*
+ * white fill first to erase annotations
+ */
+
+ gg.translate(xOffset, 0);
+ gg.setColor(Color.white);
+ gg.fillRect(labelWidthWest, ypos, (endRes - startRes + 1) * charWidth,
+ wrappedRepeatHeightPx);
+ gg.translate(-xOffset, 0);
+
+ drawWrappedWidth(seqRdr, gg, ypos, startRes, endRes, canvasHeight);
+
+ }
+
+ /*
+ * draw newly visible columns in last wrapped width (none if we
+ * have reached the end of the alignment)
+ * y-offset for drawing last width is height of widths above,
+ * plus one gap row
+ */
+ int widthsAbove = visibleWidths - 1;
+ int ypos = wrappedRepeatHeightPx * widthsAbove
+ + wrappedSpaceAboveAlignment;
+ int endRes = ranges.getEndRes();
+ endRes += widthsAbove * viewportWidth;
+ int startRes = endRes - columns + 1;
+
+ /*
+ * white fill first to erase annotations
+ */
+ int xOffset = ((startRes - ranges.getStartRes()) % viewportWidth)
+ * charWidth;
+ gg.translate(xOffset, 0);
+ gg.setColor(Color.white);
+ int width = viewportWidth * charWidth - xOffset;
+ gg.fillRect(labelWidthWest, ypos, width, wrappedRepeatHeightPx);
+ gg.translate(-xOffset, 0);
+
+ gg.setFont(av.getFont());
+ gg.setColor(Color.black);