@NotNull
public static FontInfo getFontAbleToDisplay(
int codePoint, @JdkConstants.FontStyle int style, @NotNull FontPreferences preferences) {
boolean tryDefaultFont = true;
List<String> fontFamilies = preferences.getEffectiveFontFamilies();
FontInfo result;
//noinspection ForLoopReplaceableByForEach
for (int i = 0, len = fontFamilies.size();
i < len;
++i) { // avoid foreach, it instantiates ArrayList$Itr, this traversal happens very often
final String fontFamily = fontFamilies.get(i);
result =
doGetFontAbleToDisplay(codePoint, preferences.getSize(fontFamily), style, fontFamily);
if (result != null) {
return result;
}
tryDefaultFont &= !FontPreferences.DEFAULT_FONT_NAME.equals(fontFamily);
}
int size = FontPreferences.DEFAULT_FONT_SIZE;
if (!fontFamilies.isEmpty()) {
size = preferences.getSize(fontFamilies.get(0));
}
if (tryDefaultFont) {
result = doGetFontAbleToDisplay(codePoint, size, style, FontPreferences.DEFAULT_FONT_NAME);
if (result != null) {
return result;
}
}
result = doGetFontAbleToDisplay(codePoint, size, style);
if (LOG.isDebugEnabled()) {
LOG.debug("Fallback font: " + result.getFont().getFontName());
}
return result;
}
@Override
public void drawChars(
@NotNull Graphics g,
@NotNull char[] data,
int start,
int end,
int x,
int y,
Color color,
FontInfo fontInfo) {
g.setFont(fontInfo.getFont());
g.setColor(color);
g.drawChars(data, start, end - start, x, y);
}
public void advance() {
myCurrentFontFamilyName = myNextFontFamilyName;
myCurrentStartOffset = myCurrentOffset;
for (; myCurrentOffset < myEndOffset; myCurrentOffset++) {
FontInfo fontInfo =
ComplementaryFontsRegistry.getFontAbleToDisplay(
myCharSequence.charAt(myCurrentOffset),
myFontSize,
myFontStyle,
myDefaultFontFamilyName);
String fontFamilyName = fontInfo.getFont().getFamily();
if (myCurrentFontFamilyName == null) {
myCurrentFontFamilyName = fontFamilyName;
} else if (!myCurrentFontFamilyName.equals(fontFamilyName)) {
myNextFontFamilyName = fontFamilyName;
break;
}
}
}