IABSD.fr/xenocara/lib/libXp/src/XpImageRes.c

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• Author : matthieu
  Date : 2006-11-25 17:22:40
  Hash : 19d7c699
  Message : import from X.Org 7.2RC2

• lib/libXp/src/XpImageRes.c

• /* $Xorg: XpImageRes.c,v 1.4 2000/08/17 19:46:07 cpqbld Exp $ */
  /******************************************************************************
   ******************************************************************************
   **
   ** (c) Copyright 1996 Hewlett-Packard Company
   ** (c) Copyright 1996 International Business Machines Corp.
   ** (c) Copyright 1996 Sun Microsystems, Inc.
   ** (c) Copyright 1996 Novell, Inc.
   ** (c) Copyright 1996 Digital Equipment Corp.
   ** (c) Copyright 1996 Fujitsu Limited
   ** (c) Copyright 1996 Hitachi, Ltd.
   ** 
   ** 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
   ** COPYRIGHT HOLDERS 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 names of the copyright holders shall
   ** not be used in advertising or otherwise to promote the sale, use or other
   ** dealings in this Software without prior written authorization from said
   ** copyright holders.
   **
   ******************************************************************************
   *****************************************************************************/
  /* $XFree86: xc/lib/Xp/XpImageRes.c,v 1.4 2001/01/17 19:43:02 dawes Exp $ */
  
  
  #define NEED_REPLIES
  
  #ifdef HAVE_CONFIG_H
  #include <config.h>
  #endif
  #include <X11/extensions/Printstr.h>
  #include <X11/Xlibint.h>
  #include "XpExtUtil.h"
  
  
  Bool
  XpSetImageResolution (
      Display        *dpy,
      XPContext      print_context,
      int            image_res,
      int            *prev_res
  )
  {
      xPrintSetImageResolutionReq    *req;
      xPrintSetImageResolutionReply  rep;
      XExtDisplayInfo *info = (XExtDisplayInfo *) xp_find_display (dpy);
  
      if (image_res < 0 || image_res > 65535)
  	return (False);
  
      if (XpCheckExtInit(dpy, XP_DONT_CHECK) == -1)
          return (False);
  
      LockDisplay (dpy);
  
      GetReq(PrintSetImageResolution,req);
      req->reqType = info->codes->major_opcode;
      req->printReqType = X_PrintSetImageResolution;
      req->printContext = print_context;
      req->imageRes = image_res;
  
      if (! _XReply (dpy, (xReply *) &rep, 0, xTrue)) {
          UnlockDisplay(dpy);
          SyncHandle();
          return(False);
      }
  
      UnlockDisplay(dpy);
      SyncHandle();
      if (rep.status && prev_res)
  	*prev_res = rep.prevRes;
      return ( rep.status );
  }
  
  int
  XpGetImageResolution (
      Display        *dpy,
      XPContext      print_context
  )
  {
      xPrintGetImageResolutionReq    *req;
      xPrintGetImageResolutionReply  rep;
      XExtDisplayInfo *info = (XExtDisplayInfo *) xp_find_display (dpy);
  
      if (XpCheckExtInit(dpy, XP_DONT_CHECK) == -1)
          return (-1);
  
      LockDisplay (dpy);
  
      GetReq(PrintGetImageResolution,req);
      req->reqType = info->codes->major_opcode;
      req->printReqType = X_PrintGetImageResolution;
      req->printContext = print_context;
  
      if (! _XReply (dpy, (xReply *) &rep, 0, xTrue)) {
          UnlockDisplay(dpy);
          SyncHandle();
          return(-1);
      }
  
      UnlockDisplay(dpy);
      SyncHandle();
      return ( rep.imageRes );
  }