Method GetSize

src/text.cpp:185–255

}

Rect Text::GetSize(const Font& font, std::string_view text) {
	Rect rect;
	Rect rect_tmp;

	auto iter = text.data();
	const auto end = iter + text.size();

	if (font.CanShape()) {
		std::u32string text32;
		while (iter != end) {
			auto ret = Utils::TextNext(iter, end, 0);

			iter = ret.next;
			if (EP_UNLIKELY(!ret)) {
				continue;
			}

			if (EP_UNLIKELY(Utils::IsControlCharacter(ret.ch))) {
				rect_tmp = GetSize(font, ret.ch, ret.is_exfont);
				rect.width += rect_tmp.width;
				rect.height = std::max(rect.height, rect_tmp.height);
				continue;
			}

			if (ret.is_exfont) {
				if (!text32.empty()) {
					auto shape_ret = font.Shape(text32);
					text32.clear();

					for (const auto& ch: shape_ret) {
						Rect size = font.GetSize(ch);
						rect.width += ch.offset.x + size.width;
						rect.height = std::max(rect.height, size.height);
					}
				}

				rect_tmp = GetSize(font, ret.ch, ret.is_exfont);
				rect.width += rect_tmp.width;
				rect.height = std::max(rect.height, rect_tmp.height);
				continue;
			}

			text32 += ret.ch;
		}

		if (!text32.empty()) {
			auto shape_ret = font.Shape(text32);

			for (const auto& ch: shape_ret) {
				Rect size = font.GetSize(ch);
				rect.width += ch.offset.x + size.width;
				rect.height = std::max(rect.height, size.height);
			}
		}
	} else {
		while (iter != end) {
			auto ret = Utils::TextNext(iter, end, 0);