Method doRenderLine

source/rendering/StarTextPainter.cpp:413–455

}

RectF TextPainter::doRenderLine(StringView text, TextPositioning const& position, bool reallyRender, unsigned* charLimit) {
  if (m_reloadTracker->pullTriggered())
    reloadFonts();
  TextPositioning pos = position;


  if (pos.hAnchor == HorizontalAnchor::RightAnchor) {
    StringView trimmedString = charLimit ? text.substr(0, *charLimit) : text;
    pos.pos[0] -= stringWidth(trimmedString);
    pos.hAnchor = HorizontalAnchor::LeftAnchor;
  } else if (pos.hAnchor == HorizontalAnchor::HMidAnchor) {
    StringView trimmedString = charLimit ? text.substr(0, *charLimit) : text;
    pos.pos[0] -= floor((float)stringWidth(trimmedString) / 2);
    pos.hAnchor = HorizontalAnchor::LeftAnchor;
  }

  String escapeCode;
  RectF bounds = RectF::withSize(pos.pos, Vec2F());
  Text::TextCallback textCallback = [&](StringView text) {
    for (String::Char c : text) {
      if (charLimit) {
        if (*charLimit == 0)
          return false;
        else
          --*charLimit;
      }
      RectF glyphBounds = doRenderGlyph(c, pos, reallyRender);
      bounds.combine(glyphBounds);
      pos.pos[0] += glyphBounds.width();
    }
    return true;
  };

  Text::CommandsCallback commandsCallback = [&](StringView commands) {
    applyCommands(commands);
    return true;
  };

  m_fontTextureGroup.switchFont(m_renderSettings.font);
  Text::processText(text, textCallback, commandsCallback);

  return bounds;
}

RectF TextPainter::doRenderGlyph(String::Char c, TextPositioning const& position, bool reallyRender) {
  if (c == '\n' || c == '\v' || c == '\r')