C++ (Cpp) RenderText::appendAbsoluteTextBoxesForRange Examples

Example #1

File: Paragraph.cpp Project: aghassemi/engine

std::vector<TextBox> Paragraph::getRectsForRange(unsigned start, unsigned end) {
  if (end <= start || start == end)
    return std::vector<TextBox>();

  unsigned offset = 0;
  std::vector<TextBox> boxes;
  for (RenderObject* object = m_renderView.get(); object; object = object->nextInPreOrder()) {
    if (!object->isText())
      continue;
    RenderText* text = toRenderText(object);
    unsigned length = text->textLength();
    if (offset + length > start) {
      unsigned startOffset = offset > start ? 0 : start - offset;
      unsigned endOffset = end - offset;
      text->appendAbsoluteTextBoxesForRange(boxes, startOffset, endOffset);
    }
    offset += length;
    if (offset >= end)
      break;
  }

  return boxes;
}