/**
* Show the cached object.
*
* @param info the font info
* @param character the encoded character
*/
public CharWidth showCachedCharacter(
FontInfo info, AffineTransform ctm, Point2D curpt, String character) {
this.character = character;
CacheEntry key = new CacheEntry(info, character);
CacheEntry val = (CacheEntry) cache.get(key);
if (val == null) return null;
ctm.translate(curpt.getX(), curpt.getY());
AffineTransform ftm = info.getFontMatrix();
ctm.concatenate(ftm);
show(val.getObject(), ctm);
return val.getCharWidth().transform(ftm);
}
/**
* Flush the cache device.
*
* @param info the font info
* @param ctm the current transformation matrix
*/
public void flush(FontInfo info, AffineTransform ctm) {
try {
if (character != null) {
displayList.trimToSize();
CharacterShape charShape = (CharacterShape) displayList;
charShape.setCharCode(character);
charShape.setCharWidth(charWidth);
charShape.normalize(ctm);
CacheEntry key = new CacheEntry(info, character, charWidth, charShape);
cache.put(key, key); // TODO: redundant, we should use set instead of map
show(charShape, ctm);
}
} catch (NoninvertibleTransformException ex) {
System.err.println("warning: " + ex);
} finally {
character = null;
charWidth = null;
bounds = null;
}
}
/** @return the current cache size */
public int getMaxCacheSize() {
return cache.getMaximumSize();
}
/** @return the current cache size */
public int getCacheSize() {
return cache.getSize();
}
/** Clear the cache. */
public void clearCache() {
cache.clear();
}
/** @return the current cache size */
public void setMaxCacheSize(int size) {
cache.setMaximumSize(size);
}