Method stringWidth

source/rendering/StarTextPainter.cpp:94–127

}

int TextPainter::stringWidth(StringView s, unsigned charLimit) {
  if (s.empty())
    return 0;

  String font = m_renderSettings.font, setFont = font;
  m_fontTextureGroup.switchFont(font);

  Text::CommandsCallback commandsCallback = [&](StringView commands) {
    commands.forEachSplitView(",", [&](StringView command, size_t, size_t) {
      if (command == "reset") {
        m_fontTextureGroup.switchFont(font = setFont);
      } else if (command == "set") {
        setFont = font;
      } else if (command.beginsWith("font=")) {
        m_fontTextureGroup.switchFont(font = command.substr(5));
      }
    });
    return true;
  };

  int width = 0;
  Text::TextCallback textCallback = [&](StringView text) {
    for (String::Char c : text) {
      width += glyphWidth(c);
      if (charLimit && --charLimit == 0)
        return false;
    }
    return true;
  };

  Text::processText(s, textCallback, commandsCallback);

  return width;
}

bool TextPainter::processWrapText(StringView text, unsigned* wrapWidth, WrapTextCallback textFunc) {
  String font = m_renderSettings.font, setFont = font;