@Override
protected void loadSizes(boolean update) {
bounds = new Rectangle(0, 0, 0, 0);
min_size = new Dimension();
max_size = new Dimension();
margin = new LengthSet();
emargin = margin;
padding = new LengthSet();
border = new LengthSet();
isempty = true;
displayed = false;
visible = false;
coords = new LengthSet();
if (colwidth.equals("")) // no width set - try to get from style
{
int contw = cblock.getContentWidth();
CSSDecoder dec = new CSSDecoder(ctx);
CSSProperty.Width wprop = style.getProperty("width");
if (wprop != null && wprop != CSSProperty.Width.AUTO) {
TermLengthOrPercent width = getLengthValue("width");
abswidth = dec.getLength(width, false, 0, 0, contw);
content.width = abswidth;
wset = true;
if (width.isPercentage()) {
wrelative = true;
percent = Math.round(width.getValue());
if (percent == 0) wrelative = false; // consider 0% as absolute 0
}
}
}
bounds.width = content.width;
}
/**
* Converts a length from a CSS length or percentage to 'pt'.
*
* @param spec the CSS length specification
* @param whole the value that corresponds to 100%. It is used only when spec is a percentage.
* @return the length in 'pt'
*/
public double ptLength(TermLengthOrPercent spec, double whole) {
float nval = spec.getValue();
if (spec.isPercentage()) return (whole * nval) / 100;
else {
TermLength.Unit unit = spec.getUnit();
double ret = 0;
if (unit == TermLength.Unit.pt) {
ret = nval;
} else if (unit == TermLength.Unit.in) {
ret = nval * 72;
} else if (unit == TermLength.Unit.cm) {
ret = (nval * 72) / 2.54;
} else if (unit == TermLength.Unit.mm) {
ret = (nval * 72) / 25.4;
} else if (unit == TermLength.Unit.pc) {
ret = nval * 12;
} else if (unit == TermLength.Unit.px) {
ret = (nval * 72) / dpi;
} else if (unit == TermLength.Unit.em) {
ret = (em * nval * 72) / dpi; // em is in pixels
} else if (unit == TermLength.Unit.rem) {
ret = (rem * nval * 72) / dpi;
} else if (unit == TermLength.Unit.ex) {
ret = (ex * nval * 72) / dpi;
} else if (unit == TermLength.Unit.ch) {
ret = (ch * nval * 72) / dpi;
} else if (unit == TermLength.Unit.vw) {
return (viewport.getVisibleRect().getWidth() * nval * 72) / (100.0 * dpi);
} else if (unit == TermLength.Unit.vh) {
return (viewport.getVisibleRect().getHeight() * nval * 72) / (100.0 * dpi);
} else if (unit == TermLength.Unit.vmin) {
return (Math.min(
viewport.getVisibleRect().getWidth(), viewport.getVisibleRect().getHeight())
* nval
* 72)
/ (100.0 * dpi);
} else if (unit == TermLength.Unit.vmax) {
return (Math.max(
viewport.getVisibleRect().getWidth(), viewport.getVisibleRect().getHeight())
* nval
* 72)
/ (100.0 * dpi);
}
return ret;
}
}