private static SoftReference<CachedImage> makeImage(CachedTeXFormula cached)
throws ParseException {
TeXFormula formula = new TeXFormula(cached.f);
TeXIcon icon = formula.createTeXIcon(cached.style, cached.size, cached.type, cached.fgcolor);
icon.setInsets(new Insets(cached.inset, cached.inset, cached.inset, cached.inset));
Image image =
new Graphics().createImage(icon.getIconWidth(), icon.getIconHeight(), Image.TYPE_INT_ARGB);
Graphics2DInterface g2 = image.createGraphics2D();
icon.paintIcon(null, g2, 0, 0);
g2.dispose();
cached.setDimensions(icon.getIconWidth(), icon.getIconHeight(), icon.getIconDepth());
SoftReference<CachedImage> img =
new SoftReference<CachedImage>(new CachedImage(image, cached), queue);
if (cache.size() >= max) {
Reference soft;
while ((soft = queue.poll()) != null) {
CachedImage ci = (CachedImage) soft.get();
if (ci != null) {
cache.remove(ci.cachedTf);
}
}
Iterator<CachedTeXFormula> iter = cache.keySet().iterator();
if (iter.hasNext()) {
CachedTeXFormula c = iter.next();
SoftReference<CachedImage> cachedImage = cache.get(c);
if (cachedImage != null) {
cachedImage.clear();
}
cache.remove(c);
}
}
cache.put(cached, img);
return img;
}
