IABSD.fr/xenocara/xserver/mi/micoord.h

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• Author : matthieu
  Date : 2015-09-16 19:10:19
  Hash : 86ea9f12
  Message : Update to xserver 1.17.2. tested by dcoppa@, jsg@, jasper@ & naddy@

• xserver/mi/micoord.h

• /*
   * Copyright (C) 2000 The XFree86 Project, Inc.  All Rights Reserved.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to
   * deal in the Software without restriction, including without limitation the
   * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   * sell copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
   * XFREE86 PROJECT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
   * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   *
   * Except as contained in this notice, the name of the XFree86 Project shall
   * not be used in advertising or otherwise to promote the sale, use or other
   * dealings in this Software without prior written authorization from the
   * XFree86 Project.
   *
   */
  
  #ifndef _MICOORD_H_
  #define _MICOORD_H_ 1
  
  #include "servermd.h"
  
  /* Macros which handle a coordinate in a single register */
  
  #define GetHighWord(x) (((int) (x)) >> 16)
  
  #if IMAGE_BYTE_ORDER == MSBFirst
  #define intToCoord(i,x,y)   (((x) = GetHighWord(i)), ((y) = (int) ((short) (i))))
  #define coordToInt(x,y)	(((x) << 16) | ((y) & 0xffff))
  #define intToX(i)	(GetHighWord(i))
  #define intToY(i)	((int) ((short) i))
  #else
  #define intToCoord(i,x,y)   (((x) = (int) ((short) (i))), ((y) = GetHighWord(i)))
  #define coordToInt(x,y)	(((y) << 16) | ((x) & 0xffff))
  #define intToX(i)	((int) ((short) (i)))
  #define intToY(i)	(GetHighWord(i))
  #endif
  
  #endif                          /* _MICOORD_H_ */