- ClearRectangle(window, 0, ypos, video.width, getFontHeight(font_nr));
- DrawTextExt(window, (video.width - getTextWidth(text, font_nr)) / 2, ypos,
- text, font_nr, BLIT_OPAQUE);
- FlushDisplay();
+ int x = (video.width - getTextWidth(text, font_nr)) / 2;
+ int y = ypos;
+ int width = video.width;
+ int height = getFontHeight(font_nr);
+
+ ClearRectangle(drawto, 0, y, width, height);
+ DrawTextExt(drawto, x, y, text, font_nr, BLIT_OPAQUE);
+
+ /* this makes things significantly faster than directly drawing to window */
+ BlitBitmap(drawto, window, 0, y, width, height, 0, y);