Method GetParagraphLayout

src/gfx_layout_icu.cpp:356–378

static */

}

/* static */ std::unique_ptr<ParagraphLayouter> ICUParagraphLayoutFactory::GetParagraphLayout(UChar *buff, UChar *buff_end, FontMap &font_mapping)
{
	size_t length = buff_end - buff;
	/* Can't layout an empty string. */
	if (length == 0) return nullptr;

	/* Can't layout our in-built sprite fonts. */
	for (auto const &[position, font] : font_mapping) {
		if (font->fc->IsBuiltInFont()) return nullptr;
	}

	auto runs = ItemizeBidi(buff, length);
	runs = ItemizeScript(buff, length, runs);
	runs = ItemizeStyle(runs, font_mapping);

	if (runs.empty()) return nullptr;

	for (auto &run : runs) {
		run.Shape(buff, length);
	}

	return std::make_unique<ICUParagraphLayout>(std::move(runs), buff, length);
}

/* static */ std::unique_ptr<icu::BreakIterator> ICUParagraphLayoutFactory::break_iterator;