Method parseSvgPath

visage_graphics/path.cpp:195–281

  }

  Path::CommandList Path::parseSvgPath(const std::string& path) {
    CommandList commands;
    size_t i = 0;
    char command_char = 0;
    while (i < path.size()) {
      if (std::isspace(path[i])) {
        ++i;
        continue;
      }

      char new_command = path[i];
      if (std::isalpha(new_command)) {
        command_char = new_command;
        ++i;
      }

      char type = std::toupper(command_char);
      bool relative = std::islower(command_char);

      if (type == 'M') {
        float x = parseNumber(path, i);
        float y = parseNumber(path, i);
        commands.moveTo(x, y, relative);

        if (std::isspace(path[i])) {
          ++i;
          continue;
        }

        if (i < path.size() && !std::isalpha(path[i])) {
          x = parseNumber(path, i);
          y = parseNumber(path, i);
          commands.lineTo(x, y, relative);
        }
      }
      else if (type == 'L') {
        float x = parseNumber(path, i);
        float y = parseNumber(path, i);
        commands.lineTo(x, y, relative);
      }
      else if (type == 'H')
        commands.horizontalTo(parseNumber(path, i), relative);
      else if (type == 'V')
        commands.verticalTo(parseNumber(path, i), relative);
      else if (type == 'Z')
        commands.close();
      else if (type == 'C') {
        float cx1 = parseNumber(path, i);
        float cy1 = parseNumber(path, i);
        float cx2 = parseNumber(path, i);
        float cy2 = parseNumber(path, i);
        float x = parseNumber(path, i);
        float y = parseNumber(path, i);
        commands.bezierTo(cx1, cy1, cx2, cy2, x, y, relative);
      }
      else if (type == 'S') {
        float cx = parseNumber(path, i);
        float cy = parseNumber(path, i);