protected List<Area> layoutISDInstance(Element e, LayoutState ls) {
List<Area> areas = new java.util.ArrayList<Area>();
try {
double begin = Double.parseDouble(e.getAttribute("begin"));
double end = Double.parseDouble(e.getAttribute("end"));
Extent cellResolution =
parseCellResolution(Documents.getAttribute(e, ttpCellResolutionAttrName, null));
if (cellResolution == null) cellResolution = defaults.getCellResolution();
ls.pushCanvas(e, begin, end, cellResolution);
Extent extent = ls.getExternalExtent();
double w = extent.getWidth();
double h = extent.getHeight();
boolean clip = ls.getExternalOverflow().clips();
ls.pushViewport(e, w, h, clip);
WritingMode wm = ls.getExternalWritingMode();
TransformMatrix ctm = ls.getExternalTransform();
ls.pushReference(e, 0, 0, w, h, wm, ctm);
for (Element c : getChildElements(e)) {
if (isElement(c, isdRegionElementName)) layoutRegion(c, ls);
else if (isElement(c, isdComputedStyleSetElementName)) ls.saveStyles(c);
}
ls.pop();
ls.pop();
areas.add(ls.pop());
} catch (NumberFormatException x) {
}
return areas;
}
protected void layoutRegion(Element e, LayoutState ls) {
Extent extent = ls.getExtent(e);
double w = extent.getWidth();
double h = extent.getHeight();
Point origin = ls.getPosition(e, extent);
double x = origin.getX();
double y = origin.getY();
boolean clip = ls.getOverflow(e).clips();
ls.pushViewport(e, w, h, clip);
WritingMode wm = ls.getWritingMode(e);
TransformMatrix ctm = ls.getTransform(e);
ls.pushReference(e, x, y, w, h, wm, ctm);
for (Element c : getChildElements(e)) {
if (isElement(c, ttBodyElementName)) layoutBody(c, ls);
}
AreaNode r = ls.peek();
if (r instanceof ReferenceArea) alignBlockAreas((ReferenceArea) r, ls.getReferenceAlignment());
ls.pop();
ls.pop();
}