/**
* Allows reuse of the multi-line text element for computing bounds of changed font/text content
*
* @param fd
*/
public final void reuse(Label la, double forceWrappingSize) {
final Font f = (Font) xs.createFont(la.getCaption().getFont());
fm = g2d.getFontMetrics(f);
final FontRenderContext frc = g2d.getFontRenderContext();
cachedwidth = Double.NaN;
String s = la.getCaption().getValue();
if (s == null) {
s = IConstants.NULL_STRING;
} else {
// trim leading and trailing spaces.
s = s.trim();
}
if (s.length() == 0) // TextLayout DOESN'T LIKE EMPTY STRINGS
{
s = IConstants.ONE_SPACE;
}
String[] sa = splitOnBreaks(s, forceWrappingSize, f);
if (sa == null) {
iLineCount = 1;
oText = s;
tla = new TextLayout[1];
fsa = new String[1];
tla[0] = new TextLayout(s, f.getAttributes(), frc);
fsa[0] = s;
} else {
iLineCount = sa.length;
oText = sa;
tla = new TextLayout[iLineCount];
fsa = new String[iLineCount];
for (int i = 0; i < iLineCount; i++) {
tla[i] = new TextLayout(sa[i], f.getAttributes(), frc);
fsa[i] = sa[i];
}
}
ins = la.getInsets().scaledInstance(pointsToPixels());
if (forceWrappingSize > 0) {
// update label with new broken content.
StringBuffer sb = new StringBuffer();
for (int i = 0; i < fsa.length; i++) {
sb.append(fsa[i]).append("\n"); // $NON-NLS-1$
}
if (sb.length() > 0) {
sb.deleteCharAt(sb.length() - 1);
}
la.getCaption().setValue(sb.toString());
}
}
public IText getCaption() {
Text caption = label.getCaption();
if (caption == null) {
caption = ChartComponentUtil.createEMFText();
label.setCaption(caption);
}
return ChartComponentUtil.convertText(caption);
}
/** Only anti-alias rotated, bold text, and font size > 13 */
private void computeTextAntialiasing() {
FontDefinition font = la.getCaption().getFont();
if (font.isBold() || (font.getRotation() % 90 != 0) || font.getSize() > 13) {
g2d.setRenderingHint(
RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
} else {
g2d.setRenderingHint(
RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
}
}