private static List<BidiRun> createFragments(
@NotNull EditorView view,
int lineStartOffset,
int lineEndOffset,
@NotNull FontRenderContext fontRenderContext) {
if (lineEndOffset <= lineStartOffset) return Collections.emptyList();
EditorImpl editor = view.getEditor();
FontPreferences fontPreferences = editor.getColorsScheme().getFontPreferences();
char[] chars =
CharArrayUtil.fromSequence(
editor.getDocument().getImmutableCharSequence(), lineStartOffset, lineEndOffset);
List<BidiRun> runs = createRuns(editor, chars, lineStartOffset);
for (BidiRun run : runs) {
IterationState it =
new IterationState(
editor,
lineStartOffset + run.startOffset,
lineStartOffset + run.endOffset,
false,
false,
false,
false);
while (!it.atEnd()) {
addFragments(
run,
chars,
it.getStartOffset() - lineStartOffset,
it.getEndOffset() - lineStartOffset,
it.getMergedAttributes().getFontType(),
fontPreferences,
fontRenderContext,
view.getTabFragment());
it.advance();
}
assert !run.fragments.isEmpty();
}
return runs;
}
private static List<BidiRun> createFragments(
@NotNull EditorView view,
@NotNull CharSequence text,
@JdkConstants.FontStyle int fontStyle,
@NotNull FontRenderContext fontRenderContext) {
if (text.length() == 0) return Collections.emptyList();
EditorImpl editor = view.getEditor();
FontPreferences fontPreferences = editor.getColorsScheme().getFontPreferences();
char[] chars = CharArrayUtil.fromSequence(text);
List<BidiRun> runs = createRuns(editor, chars, -1);
for (BidiRun run : runs) {
addFragments(
run,
chars,
run.startOffset,
run.endOffset,
fontStyle,
fontPreferences,
fontRenderContext,
null);
assert !run.fragments.isEmpty();
}
return runs;
}