Function grtext_GetTextLineWidth

grtext/grtext.cpp:759–802

}

int grtext_GetTextLineWidth(const char *str) {
  int line_width = 0, max_width = 0;
  int rgb_define_mode = 0;
  int strsize = strlen(str);
  int line_idx = 0;

  for (int i = 0; i < strsize; i++) {
    int width;
    char ch = str[i], ch2 = str[i + 1];

    // note that if we hit the GR_COLOR_CHAR then the next three values should
    //	not count when defining the width of the line.
    if (rgb_define_mode == 3)
      rgb_define_mode = 0;
    else if (ch == GR_COLOR_CHAR)
      rgb_define_mode = 1;
    if (!rgb_define_mode) {
      if (ch == '\t') { // tab char
        int space_width;
        space_width = (CHAR_WIDTH(Grtext_font, ' ') + Grtext_spacing) * Grtext_tabspace;
        line_width = (line_width + space_width) / space_width * space_width;
      } else if (ch == GRTEXT_FORMAT_CHAR) {
        if ((i + 1) >= strsize)
          break;
        line_width = ((int)str[i + 1] * GRTEXT_FORMAT_SCALAR);
        i++;
      } else if (ch == '\n') {
        if (line_width > max_width) {
          max_width = line_width;
        }
        line_width = 0;
      } else {
        width = CHAR_WIDTH(Grtext_font, ch);
        line_width += (width + Grtext_spacing + CHAR_SPACING(Grtext_font, ch, ch2));
      }
    } else
      rgb_define_mode++;
  }

  if (line_width > max_width) {
    max_width = line_width;
  }
  return (max_width) ? max_width - Grtext_spacing : 0;
}

// returns width of text using a font template
int grtext_GetTextLineWidthTemplate(const tFontTemplate *ft, const char *str) {