50 lines
2.0 KiB
C
50 lines
2.0 KiB
C
/*
|
|
* 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_ */
|