components/x11/libdga/src/win_grab.h

   1 /* Copyright (c) 1993, Oracle and/or its affiliates. All rights reserved.
   2  *
   3  * Permission is hereby granted, free of charge, to any person obtaining a
   4  * copy of this software and associated documentation files (the "Software"),
   5  * to deal in the Software without restriction, including without limitation
   6  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   7  * and/or sell copies of the Software, and to permit persons to whom the
   8  * Software is furnished to do so, subject to the following conditions:
   9  *
  10  * The above copyright notice and this permission notice (including the next
  11  * paragraph) shall be included in all copies or substantial portions of the
  12  * Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  20  * DEALINGS IN THE SOFTWARE.
  21  */
  22
  23
  24 /*
  25  * win_grab.h - DGA Window Grabber definitions
  26  */
  27
  28 #ifndef _WIN_GRAB_H
  29 #define _WIN_GRAB_H
  30
  31
  32 /****
  33  *
  34  * WIN_GRAB.H Window Grabber
  35  *
  36  * MACROS: These return info from the client page.
  37  *
  38  *      wx_infop(clientp)       the info page.
  39  *      wx_devname_c(clientp)   returns the w_devname field.
  40  *      wx_version_c(clientp)   the version
  41  *      wx_lock_c(clientp)      locks the info page.
  42  *      wx_unlock_c(clientp)    unlocks the info page.
  43  *
  44  * These return info from the info page.
  45  *
  46  *      wx_devname(infop)       returns the w_devname field.
  47  *      wx_version(infop)       the version
  48  *
  49  *      wx_shape_flags(infop)   Shapes flag
  50  *
  51  ****/
  52
  53
  54
  55 #define DGA_SH_RECT_FLAG        1
  56 #define DGA_SH_EMPTY_FLAG       128
  57
  58
  59 /*
  60  *  Window grabber info macros
  61  */
  62
  63 #define wx_infop(clientp)       ((WXINFO *) (clientp)->w_info)
  64
  65 #define wx_version(infop)       ((infop)->w_version)
  66
  67 #define wx_shape_flags(infop)                   \
  68         (((struct class_SHAPE_vn *)             \
  69             ((char *)(infop) +                  \
  70              (infop)->u.vn.w_shapeoff))->SHAPE_FLAGS)   \
  71
  72
  73 #endif /* _WIN_GRAB_H */