private static void addFragments(
BidiRun run,
char[] text,
int start,
int end,
int fontStyle,
FontPreferences fontPreferences,
FontRenderContext fontRenderContext,
@Nullable TabFragment tabFragment) {
Font currentFont = null;
int currentIndex = start;
for (int i = start; i < end; i++) {
char c = text[i];
if (c == '\t' && tabFragment != null) {
assert run.level == 0;
addTextFragmentIfNeeded(
run, text, currentIndex, i, currentFont, fontRenderContext, run.isRtl());
run.fragments.add(tabFragment);
currentFont = null;
currentIndex = i + 1;
} else {
Font font =
ComplementaryFontsRegistry.getFontAbleToDisplay(c, fontStyle, fontPreferences)
.getFont();
if (!font.equals(currentFont)) {
addTextFragmentIfNeeded(
run, text, currentIndex, i, currentFont, fontRenderContext, run.isRtl());
currentFont = font;
currentIndex = i;
}
}
}
addTextFragmentIfNeeded(
run, text, currentIndex, end, currentFont, fontRenderContext, run.isRtl());
}
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;
}
}
}
@NotNull
public static Font getFontAbleToDisplay(char c, int size, int style, @NotNull String family) {
return ComplementaryFontsRegistry.getFontAbleToDisplay(c, size, style, family).getFont();
}