Path: utzoo!attcan!uunet!aplcen!haven!cs.wvu.wvnet.edu!cerc.wvu.wvnet.edu!cathedral!wong
From: wong@cathedral.cerc.wvu.wvnet.edu (Dennis Hiulum Wong)
Newsgroups: comp.windows.x.motif
Subject: Problem in using bitmap in Motif Label widget
Message-ID: <685@babcock.cerc.wvu.wvnet.edu>
Date: 15 Aug 90 14:19:15 GMT
Sender: news@cerc.wvu.wvnet.edu
Lines: 55



I have trouble using bitmap in Label widget. I used
XReadBitmapFile to create a pixmap from a bitmap file,
and then used XmNlabelPixmap to specify the pixmap.
The following is the code segmant for it. I appreciate
it if someone can point out th error or provide a
better solution for me. Thanks in advance.

-- Dennis 

   E-mail: wong@cerc.wvu.wvnet.edu

******************************************************
  Pixmap pixmap;

  i = 0; 
  label_w = XtCreateManagedWidget("BitmapLabel",
    xmLabelWidgetClass, parent_win, (ArgList)args, i);

  read_bitmap(label_w, "bitmap_file.xbm", &pixmap, &w, &h);  

  i = 0;
  XtSetArg(args[i], XmNlabelType, XmPIXMAP); i++;
  XtSetArg(args[i], XmNlabelPixmap, pixmap); i++;
  XtSetValues(label_w, (ArgList)args, i);

--------------------------------------------------------

read_bitmap(w, bitmapFile, bitmap, width, height)
  Widget w;
  char *bitmapFile;
  Pixmap *bitmap;
  Dimension *width, *height;
{
  int x, y, error;
  unsigned int i, j;

  error = XReadBitmapFile(XtDisplay(w), RootWindowOfScreen(XtScreen(w)),
    bitmapFile, &i, &j, bitmap, &x, &y);
  *width = (Dimension)i;
  *height = (Dimension)j;
  if (error == BitmapFileInvalid)
    printf("#Error, file %s contains invalid bitmap data.\n",
        bitmapFile);
  else if (error == BitmapOpenFailed)
    printf("#Error, file %s could not be opened.\n",
        bitmapFile);
  else if (error == BitmapNoMemory)
    printf("#Error, not enough memory to allocate pixmap.\n");
  else if (error != BitmapSuccess)
    printf("#Error in reading bitmap.\n");
  return(error);
}
**********************************************************