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XBitmap*()							    XBitmap*()

Name
  XBitmapBitOrder, XBitmapPad, XBitmapUnit – query the bitmap format of a
  display.

Synopsis
  int XBitmapUnit(display)
	   Display *display;
  int XBitmapBitOrder(display)
	   Display *display;
  int XBitmapPad(display)
	   Display *display;

Arguments
  display   Specifies  a  connection  to  an  X	 Server;  returned   from
	    XOpenDisplay().

Returns
  XBitmapUnit()	 and  XBitmapPad()  return  a  number  of bits.	 XBitmap‐
  BitOrder() returns LSBFirst or MSBFirst.

Description
  These functions are used in connection with manipulating image data.

  XBitmapUnit() returns the size of a bitmap's	scanline  unit	in  bits.
  The scanline is calculated in multiples of this value.

  Within  each	bitmap unit, the left-most bit in the bitmap as displayed
  on the screen is either the least-significant or  most-significant  bit
  in  the  unit.  XBitmapBitOrder() returns LSBFirst or MSBFirst to indi‐
  cate the server's bit order.

  Each scanline must be padded to a multiple of bits returned by XBitmap‐
  Pad().

  The  C  language macros BitmapUnit(), BitmapBitOrder(), and BitmapPad()
  are equivalent and slightly more efficient.

See Also
  XImageByteOrder(), XGetImage(), XPutImage().

Xlib - Macro Equivalents					    XBitmap*()

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