private Rect HightedLineRect(int startIndex, int endIndex, float height, ITextComponentWrapper text)
{
Vector2 start = text.CursorPositionAt(startIndex);
Vector2 end = text.CursorPositionAt(endIndex);
// FIXME: add last char width according to caret moving direction.
Rect rect = new Rect(start.x, start.y - height,
Mathf.Abs(end.x + text.CharWidth(endIndex + _drawStart) - start.x), height);
return(rect);
}
private Rect CalculateCaretDrawRect(
ITextComponentWrapper text,
Vector2 offset,
int relativeIndex)
{
Vector2 localCursorPos = text.CursorPositionAt(relativeIndex);
int line = text.GetLineByCharIndex(relativeIndex);
float height = text.LineHeight(line);
return(new Rect(localCursorPos.x + offset.x,
localCursorPos.y - height + offset.y, 1,
height));
}
private Rect CalculateCaretDrawRect(
ITextComponentWrapper text,
Vector2 offset,
int index,
int selectionIndex)
{
Vector2 localCursorPos = text.CursorPositionAt(index);
Vector2 localSelectionPos = text.CursorPositionAt(selectionIndex);
float height = text.LineHeight(0);
if (index > selectionIndex)
{
Vector2 temp = localSelectionPos;
localSelectionPos = localCursorPos;
localCursorPos = temp;
}
return(new Rect(localCursorPos.x + offset.x,
localCursorPos.y - height + offset.y,
index != selectionIndex ? Mathf.Abs(localSelectionPos.x - localCursorPos.x) : 1,
height));
}