@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;
}
}
/**
* Updates the context according to the given element style. The properties that are not defined
* in the style are left unchanged.
*
* @param style the style data
*/
public void update(NodeData style) {
// setup the font
String family = null;
CSSProperty.FontFamily ff = style.getProperty("font-family");
if (ff == null) family = font.getFamily(); // use current
else if (ff == FontFamily.list_values) {
TermList fmlspec = style.getValue(TermList.class, "font-family");
if (fmlspec == null) family = font.getFamily();
else family = getFontName(fmlspec);
} else {
if (factory != null)
family =
factory
.getConfig()
.getDefaultFont(ff.getAWTValue()); // try to translate to physical font
if (family == null) family = ff.getAWTValue(); // could not translate - use as is
}
double size;
double psize = (parent == null) ? CSSUnits.medium_font : parent.getEm();
CSSProperty.FontSize fsize = style.getProperty("font-size");
if (fsize == null) size = em;
else if (fsize == CSSProperty.FontSize.length || fsize == CSSProperty.FontSize.percentage) {
TermLengthOrPercent lenspec = style.getValue(TermLengthOrPercent.class, "font-size");
if (lenspec != null) {
em = psize;
size =
pxLength(lenspec, psize); // pixels are ok here (java is fixed to 72 dpi for font sizes)
} else size = em;
} else size = CSSUnits.convertFontSize(psize, fsize);
fontSize = CSSUnits.points(size);
if (rootContext != null) rem = rootContext.getEm();
else rem = em; // we don't have a root context?
CSSProperty.FontWeight weight = style.getProperty("font-weight");
if (weight != null) fontWeight = weight;
CSSProperty.FontStyle fstyle = style.getProperty("font-style");
if (fstyle != null) fontStyle = fstyle;
int fs = Font.PLAIN;
if (representsBold(fontWeight)) fs = Font.BOLD;
if (fontStyle == CSSProperty.FontStyle.ITALIC || fontStyle == CSSProperty.FontStyle.OBLIQUE)
fs = fs | Font.ITALIC;
font = new Font(family, fs, (int) Math.round(size));
em = size;
CSSProperty.FontVariant variant = style.getProperty("font-variant");
if (variant != null) fontVariant = variant;
CSSProperty.TextDecoration decor = style.getProperty("text-decoration");
textDecoration.clear();
if (decor != null) {
if (decor == TextDecoration.list_values) {
TermList list = style.getValue(TermList.class, "text-decoration");
for (Term<?> t : list) {
if (t.getValue() instanceof CSSProperty.TextDecoration)
textDecoration.add((CSSProperty.TextDecoration) t.getValue());
}
} else if (decor != TextDecoration.NONE) textDecoration.add(decor);
}
// color
TermColor clr = style.getValue(TermColor.class, "color");
if (clr != null) color = clr.getValue();
}