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  if (the_glyph != NULL)
  {
    if (the_glyph->data != NULL)
      xfree(the_glyph->data);
    xfree(the_glyph);
  }
}

/******************************************************************************/
HCURSOR ui_create_cursor(uint32 x, uint32 y,
                         int width, int height,
                         uint8 * andmask, uint8 * xormask)
{
  return (void*)1;
}

/******************************************************************************/
void ui_set_cursor(HCURSOR /*cursor*/)
{
}

/*****************************************************************************/
uint16 ui_get_numlock_state(uint32 state)
{
  return 0;
}

/*****************************************************************************/
unsigned int read_keyboard_state(void)
{
  return 0;
}

/*****************************************************************************/
void ui_resize_window(void)
{
}

/*****************************************************************************/
void ui_polygon(uint8 opcode, uint8 fillmode, POINT * point, int npoints,
                BRUSH * brush, int bgcolour, int fgcolour)
{
}

/*****************************************************************************/
/* todo, use qt function for this (QPainter::drawPolyline) */
void ui_polyline(uint8 opcode, POINT * points, int npoints, PEN * pen)
{
  int i, x, y, dx, dy;

  if (npoints > 0)
  {
    x = points[0].x;
    y = points[0].y;
    for (i = 1; i < npoints; i++)
    {
      dx = points[i].x;
      dy = points[i].y;
      ui_line(opcode, x, y, x + dx, y + dy, pen);
      x = x + dx;
      y = y + dy;
    }
  }
}

/*****************************************************************************/
void ui_ellipse(uint8 opcode, uint8 fillmode,
                int x, int y, int cx, int cy,
                BRUSH * brush, int bgcolour, int fgcolour)
{
}

/******************************************************************************/
void ui_destroy_cursor(HCURSOR /*cursor*/)
{
}

/******************************************************************************/
HCOLOURMAP ui_create_colourmap(COLOURMAP * colours)
{
  int i;
  int x;
  uint8 r, g, b;
  i = 0;
  while (i < colours->ncolours && i < 256)
  {
    r = colours->colours[i].red;
    g = colours->colours[i].green;
    b = colours->colours[i].blue;
    x = (r << 16) | (g << 8) | b;
    g_CM->RGBColors[i] = x;
    i++;
  }
  g_CM->NumColors = colours->ncolours;
  return g_CM;
}

/******************************************************************************/
void ui_set_colourmap(HCOLOURMAP map)
{
}

/******************************************************************************/
void ui_destroy_colourmap(HCOLOURMAP map)
{
}

/******************************************************************************/
void ui_begin_update(void)
{
}

/******************************************************************************/
void ui_end_update(void)
{
}

/******************************************************************************/
void ui_set_clip(int x, int y, int cx, int cy)
{
  g_clipx = x;
  g_clipy = y;
  g_clipcx = cx;
  g_clipcy = cy;
}

/******************************************************************************/
void ui_reset_clip(void)
{
  g_clipx = 0;
  g_clipy = 0;
  g_clipcx = g_width;
  g_clipcy = g_height;
}

/******************************************************************************/
void ui_bell(void)
{
  g_App->beep();
}

/******************************************************************************/
void ui_destblt(uint8 opcode, int x, int y, int cx, int cy)
{
  int i, j;


  if (opcode == 0x0) /* black */
  {
    for (i = 0; i < cy; i++)
      for (j = 0; j < cx; j++)
        set_pixel(x + j, y + i, 0, 0xc);
  }
  else if (opcode == 0xf) /* white */
  {
    for (i = 0; i < cy; i++)
      for (j = 0; j < cx; j++)
        set_pixel(x + j, y + i, 0xffffff, 0xc);
  }
  else
  {
    for (i = 0; i < cy; i++)
      for (j = 0; j < cx; j++)
        set_pixel(x + j, y + i, get_pixel(x + j, y + i), opcode);
  }
  redraw(x, y, cx, cy);
}

/******************************************************************************/
// does not repaint
void fill_rect(int x, int y, int cx, int cy, int colour, int opcode = 0xc)
{
  int i, j;

  if (x + cx > g_width)
    cx = g_width - x;
  if (y + cy > g_height)
    cy = g_height - y;
#ifdef QT_OPTI
  if (opcode == 0xc) /* optimize */
  {
    if (WarpCoords(&x, &y, &cx, &cy, 0, 0))
    {
      if (g_server_bpp == 8)
      {
        for (i = 0; i < cy; i++)
          for (j = 0; j < cx; j++)
            SETPIXEL8(g_BS, x + j, y + i, g_width, colour);
      }
      else if (g_server_bpp == 16)
      {
        for (i = 0; i < cy; i++)
          for (j = 0; j < cx; j++)
            SETPIXEL16(g_BS, x + j, y + i, g_width, colour);
      }
      else if (g_server_bpp == 24)
      {
        for (i = 0; i < cy; i++)
          for (j = 0; j < cx; j++)
            SETPIXEL32(g_BS, x + j, y + i, g_width, colour);
      }
    }
  }
  else
#endif
  {
    for (i = 0; i < cy; i++)
      for (j = 0; j < cx; j++)
        set_pixel(x + j, y + i, colour, opcode);
  }
}

/******************************************************************************/
void ui_rect(int x, int y, int cx, int cy, int colour)
{
  fill_rect(x, y, cx, cy, colour);
  redraw(x, y, cx, cy);
}

/******************************************************************************/
void ui_patblt(uint8 opcode, int x, int y, int cx, int cy,
               BRUSH * brush, int bgcolour, int fgcolour)
{
  int i, j;
  uint8 ipattern[8];

  switch (brush->style)
  {
    case 0:
      fill_rect(x, y, cx, cy, fgcolour, opcode);
      break;
    case 3:
      for (i = 0; i < 8; i++)
        ipattern[i] = ~brush->pattern[7 - i];
      for (i = 0; i < cy; i++)
        for (j = 0; j < cx; j++)
          if (is_pixel_on(ipattern, (x + j + brush->xorigin) % 8,
                            (y + i + brush->yorigin) % 8, 8, 1))
            set_pixel(x + j, y + i, fgcolour, opcode);
          else
            set_pixel(x + j, y + i, bgcolour, opcode);
      break;
  }
  redraw(x, y, cx, cy);
}

/******************************************************************************/
void ui_screenblt(uint8 opcode, int x, int y, int cx, int cy,
                  int srcx, int srcy)
{
  int i, j, pixel;
  uint8 * temp;

  temp = (uint8*)xmalloc(cx * cy * 4);
#ifdef QT_OPTI
  if (opcode == 0xc)
  {
    if (WarpCoords(&x, &y, &cx, &cy, &srcx, &srcy))
    {
      if (g_server_bpp == 8)
      {
        for (i = 0; i < cy; i++)
          for (j = 0; j < cx; j++)
          {
            pixel = GETPIXEL8(g_BS, srcx + j, srcy + i, g_width);
            SETPIXEL8(temp, j, i, cx, pixel);
          }
        for (i = 0; i < cy; i++)
          for (j = 0; j < cx; j++)
          {
            pixel = GETPIXEL8(temp, j, i, cx);
            SETPIXEL8(g_BS, x + j, y + i, g_width, pixel);
          }
      }
      else if (g_server_bpp == 16)
      {
        for (i = 0; i < cy; i++)
          for (j = 0; j < cx; j++)
          {
            pixel = GETPIXEL16(g_BS, srcx + j, srcy + i, g_width);
            SETPIXEL16(temp, j, i, cx, pixel);
          }
        for (i = 0; i < cy; i++)
          for (j = 0; j < cx; j++)
          {
            pixel = GETPIXEL16(temp, j, i, cx);
            SETPIXEL16(g_BS, x + j, y + i, g_width, pixel);
          }
      }
      else if (g_server_bpp == 24)
      {
        for (i = 0; i < cy; i++)
          for (j = 0; j < cx; j++)
          {
            pixel = GETPIXEL32(g_BS, srcx + j, srcy + i, g_width);
            SETPIXEL32(temp, j, i, cx, pixel);
          }
        for (i = 0; i < cy; i++)
          for (j = 0; j < cx; j++)
          {
            pixel = GETPIXEL32(temp, j, i, cx);
            SETPIXEL32(g_BS, x + j, y + i, g_width, pixel);
          }
      }
    }
  }
  else
#endif
  {
    if (g_server_bpp == 8)
    {
      for (i = 0; i < cy; i++)
        for (j = 0; j < cx; j++)
          temp[i * cx + j] = get_pixel(srcx + j, srcy + i);
      for (i = 0; i < cy; i++)
        for (j = 0; j < cx; j++)
          set_pixel(x + j, y + i, temp[i * cx + j], opcode);
    }
    else if (g_server_bpp == 16)
    {
      for (i = 0; i < cy; i++)
        for (j = 0; j < cx; j++)
        {
          pixel = get_pixel(srcx + j, srcy + i);
          SETPIXEL16(temp, j, i, cx, pixel);
        }
      for (i = 0; i < cy; i++)
        for (j = 0; j < cx; j++)
        {
          pixel = GETPIXEL16(temp, j, i, cx);
          set_pixel(x + j, y + i, pixel, opcode);
        }
    }
    else if (g_server_bpp == 24)
    {
      for (i = 0; i < cy; i++)
        for (j = 0; j < cx; j++)
          *(((uint32*)temp) + (i * cx + j)) = get_pixel(srcx + j, srcy + i);
      for (i = 0; i < cy; i++)
        for (j = 0; j < cx; j++)
          set_pixel(x + j, y + i, *(((uint32*)temp) + (i * cx + j)), opcode);
    }
  }
  xfree(temp);
  redraw(x, y, cx, cy);
}

/******************************************************************************/
void ui_memblt(uint8 opcode, int x, int y, int cx, int cy,
               HBITMAP src, int srcx, int srcy)
{
  int i, j, p;
  struct bitmap * the_bitmap;

  the_bitmap = (struct bitmap*)src;
  if (the_bitmap == NULL)
    return;
#ifdef QT_OPTI
  if (opcode == 0xc) /* optimize */
  {
    if (WarpCoords(&x, &y, &cx, &cy, &srcx, &srcy))
    {
      if (g_server_bpp == 8)
      {
        for (i = 0; i < cy; i++)
          for (j = 0; j < cx; j++)
          {
            p = GETPIXEL8(the_bitmap->data, srcx + j, srcy + i, the_bitmap->w);
            SETPIXEL8(g_BS, x + j, y + i, g_width, p);
          }
      }
      else if (g_server_bpp == 16)
      {
        for (i = 0; i < cy; i++)
          for (j = 0; j < cx; j++)
          {
            p = GETPIXEL16(the_bitmap->data, srcx + j, srcy + i, the_bitmap->w);
            SETPIXEL16(g_BS, x + j, y + i, g_width, p);
          }
      }
      else if (g_server_bpp == 24)
      {
        for (i = 0; i < cy; i++)
          for (j = 0; j < cx; j++)
          {
            p = GETPIXEL32(the_bitmap->data, srcx + j, srcy + i, the_bitmap->w);
            SETPIXEL32(g_BS, x + j, y + i, g_width, p);
          }
      }
    }
  }
  else
#endif
  {
    if (g_server_bpp == 8)
    {
      for (i = 0; i < cy; i++)
        for (j = 0; j < cx; j++)
          if ((i + srcy) < the_bitmap->h && (j + srcx) < the_bitmap->w)
            set_pixel(x + j, y + i,
                      the_bitmap->data[(i + srcy) * the_bitmap->w + (j + srcx)],
                      opcode);
    }
    else if (g_server_bpp == 16)
    {
      for (i = 0; i < cy; i++)
        for (j = 0; j < cx; j++)
          if ((i + srcy) < the_bitmap->h && (j + srcx) < the_bitmap->w)
            set_pixel(x + j, y + i,
                      *(((uint16*)the_bitmap->data) + ((i + srcy) * the_bitmap->w + (j + srcx))),
                      opcode);
    }
    else if (g_server_bpp == 24)
    {
      for (i = 0; i < cy; i++)
        for (j = 0; j < cx; j++)
          if ((i + srcy) < the_bitmap->h && (j + srcx) < the_bitmap->w)
            set_pixel(x + j, y + i,
                      *(((uint32*)the_bitmap->data) + ((i + srcy) * the_bitmap->w + (j + srcx))),
                      opcode);
    }
  }
  redraw(x, y, cx, cy);
}

/******************************************************************************/
// not used
void ui_triblt(uint8 opcode, int x, int y, int cx, int cy,
               HBITMAP src, int srcx, int srcy, BRUSH * brush,
               int bgcolour, int fgcolour)
{
}

/******************************************************************************/
/* Bresenham's line drawing algorithm */
void ui_line(uint8 opcode, int startx, int starty, int endx,
             int endy, PEN * pen)
{
  int dx, dy, incx, incy, dpr, dpru, p, left, top, right, bottom;

  if (startx > endx)
  {
    dx = startx - endx;
    incx = -1;
    left = endx;
    right = startx;
  }
  else
  {
    dx = endx - startx;
    incx = 1;
    left = startx;
    right = endx;
  }
  if (starty > endy)
  {
    dy = starty - endy;
    incy = -1;
    top = endy;
    bottom = starty;
  }
  else
  {
    dy = endy - starty;
    incy = 1;
    top = starty;
    bottom = endy;
  }
  if (dx >= dy)
  {
    dpr = dy << 1;
    dpru = dpr - (dx << 1);
    p = dpr - dx;
    for (; dx >= 0; dx--)
    {
      set_pixel(startx, starty, pen->colour, opcode);