@Override
public List<Mark> getMarksForEntry(
SourceTextEntry ste, String sourceText, String translationText, boolean isActive)
throws Exception {
if (!isEnabled()) {
return null;
}
int srcGlyphMissing;
if (isActive
|| Core.getEditor().getSettings().isDisplaySegmentSources()
|| translationText == null) {
srcGlyphMissing = editorFont.canDisplayUpTo(sourceText);
} else {
srcGlyphMissing = -1;
}
int trgGlyphMissing = translationText == null ? -1 : editorFont.canDisplayUpTo(translationText);
if (srcGlyphMissing == -1 && trgGlyphMissing == -1) {
return null;
}
List<Mark> marks = new ArrayList<Mark>();
if (srcGlyphMissing != -1) {
createMarks(marks, Mark.ENTRY_PART.SOURCE, sourceText, srcGlyphMissing);
}
if (trgGlyphMissing != -1) {
createMarks(marks, Mark.ENTRY_PART.TRANSLATION, translationText, trgGlyphMissing);
}
return marks;
}
@NotNull
public static String getHtmlWithFonts(@NotNull String input, int style, @NotNull Font baseFont) {
int start = baseFont.canDisplayUpTo(input);
if (start == -1) return input;
Font font = null;
StringBuilder result = new StringBuilder();
for (int i = start; i < input.length(); i++) {
char c = input.charAt(i);
if (baseFont.canDisplay(c)) {
if (font != null) result.append("</font>");
result.append(c);
font = null;
} else if (font != null && font.canDisplay(c)) {
result.append(c);
} else {
if (font != null) result.append("</font>");
font = getFontAbleToDisplay(c, baseFont.getSize(), style, baseFont.getFamily());
if (font != baseFont) result.append("<font face=\"").append(font.getFamily()).append("\">");
result.append(c);
}
}
if (font != null) result.append("</font>");
return result.toString();
}
private void createMarks(List<Mark> acc, Mark.ENTRY_PART part, String text, int firstMissing) {
char[] chars = text.toCharArray();
int i = firstMissing;
while ((i = editorFont.canDisplayUpTo(chars, i, chars.length)) != -1) {
int cp = Character.codePointAt(chars, i);
int start = i;
i += Character.charCount(cp);
Font font = FontFallbackManager.getCapableFont(cp);
if (font == null) {
continue;
}
// Look ahead to try to group as many characters as possible into this run.
for (int cpn, ccn, j = i; j < chars.length; j += ccn) {
cpn = Character.codePointAt(chars, j);
ccn = Character.charCount(cpn);
if (!editorFont.canDisplay(cpn) && font.canDisplay(cpn)) {
i += ccn;
} else {
break;
}
}
Mark m = new Mark(part, start, i);
m.attributes = getAttributes(font);
acc.add(m);
}
}
public Font getFont(String text, Locale locale) {
int maxChars = -1;
Font bestMatch = fontBundle.getFontFor(locale);
if (bestMatch != null && (maxChars = bestMatch.canDisplayUpTo(text)) == -1) {
return bestMatch;
}
for (Font font : fontBundle.getAllFonts()) {
int upTo = font.canDisplayUpTo(text);
if (upTo == -1) {
return font;
}
if (upTo > maxChars) {
bestMatch = font;
}
}
return bestMatch;
}
private static boolean canDisplayMessage(Font f, Object msg) {
boolean result = true;
if (msg instanceof String) {
String s = (String) msg;
result = f.canDisplayUpTo(s) == -1;
}
return result;
}
private static boolean needFontFallback(Font font, String text) {
return font.canDisplayUpTo(text) != -1
&& text.indexOf(CharacterIterator.DONE)
== -1; // see IDEA-137517, TextLayout does not support this character
}
