Function grtext_DrawTextLine

grtext/grtext.cpp:942–991

}

void grtext_DrawTextLine(int x, int y, char *str) {
  int i, cur_x;
  tCharBlt cbi;
  int strsize = strlen(str);

  /*	by clipping, we should first determine what our vertical clipping is.  then
          go through each character in the line and determine what is totally clipped,
          partially clipped and by how much, and not clipped at all and draw accordingly

          perform string drawing without viewport clipping.
          supports bitmap fonts or color(alpha) mapped fonts.
  */
  cur_x = x;
  for (i = 0; i < strsize; i++) {
    uint8_t ch, ch2;
    int w;
    ch = (uint8_t)str[i];
    ch2 = (uint8_t)str[i + 1];
    w = CHAR_WIDTH(Grtext_font, ch);

    if (ch == GR_COLOR_CHAR) {
      ddgr_color col;
      if ((i + 3) >= strsize)
        break; // This shouldn't happen!  bad string!
      col = GR_RGB(str[i + 1], str[i + 2], str[i + 3]);
      rend_SetFlatColor(col);
      //			rend_SetCharacterParameters(col, col, col, col);
      i += 3;
    } else if (ch == '\t') { // tab char
      int space_width;
      space_width = (CHAR_WIDTH(Grtext_font, ' ') + Grtext_spacing) * Grtext_tabspace;
      cur_x = (cur_x + space_width) / space_width * space_width;
    } else if (ch == GRTEXT_FORMAT_CHAR) {
      if ((i + 1) >= strsize)
        break; // This shouldn't happen!  bad string!
      cur_x = x + ((int)str[i + 1] * GRTEXT_FORMAT_SCALAR);
      i++;
    } else if (ch == ' ') {
      cur_x += (CHAR_WIDTH(Grtext_font, ' ') + Grtext_spacing);
    } else {
      cbi.ch = ch;
      cbi.clipped = false; // if =1, use sx,sy,sw,sh
      cbi.x = cur_x;
      cbi.y = y;
      cbi.dsw = cbi.dsh = Grtext_scale;
      cur_x = grfont_BltChar(Grtext_font, &cbi);
      cur_x += (Grtext_spacing + CHAR_SPACING(Grtext_font, ch, ch2));
    }
  }
}