324 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			324 lines
		
	
	
		
			8.5 KiB
		
	
	
	
		
			C
		
	
	
	
/*
 | 
						|
 | 
						|
Copyright 1996, 1998  The Open Group
 | 
						|
 | 
						|
Permission to use, copy, modify, distribute, and sell this software and its
 | 
						|
documentation for any purpose is hereby granted without fee, provided that
 | 
						|
the above copyright notice appear in all copies and that both that
 | 
						|
copyright notice and this permission notice appear in supporting
 | 
						|
documentation.
 | 
						|
 | 
						|
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
 | 
						|
OPEN GROUP 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 Open Group 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 Open Group.
 | 
						|
 | 
						|
*/
 | 
						|
/*
 | 
						|
 * (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.
 | 
						|
 */
 | 
						|
 | 
						|
/*******************************************************************
 | 
						|
**
 | 
						|
**    *********************************************************
 | 
						|
**    *
 | 
						|
**    *  File:		PsMisc.c
 | 
						|
**    *
 | 
						|
**    *  Contents:	Miscellaneous code for Ps driver.
 | 
						|
**    *
 | 
						|
**    *  Created By:	Roger Helmendach (Liberty Systems)
 | 
						|
**    *
 | 
						|
**    *  Copyright:	Copyright 1996 The Open Group, Inc.
 | 
						|
**    *
 | 
						|
**    *********************************************************
 | 
						|
** 
 | 
						|
********************************************************************/
 | 
						|
 | 
						|
#ifdef HAVE_DIX_CONFIG_H
 | 
						|
#include <dix-config.h>
 | 
						|
#endif
 | 
						|
 | 
						|
#include <X11/Xos.h>	/* for SIGCLD on pre-POSIX systems */
 | 
						|
#include <stdio.h>
 | 
						|
#include "Ps.h"
 | 
						|
 | 
						|
#include "cursor.h"
 | 
						|
#include "resource.h"
 | 
						|
 | 
						|
#include "windowstr.h"
 | 
						|
#include "propertyst.h"
 | 
						|
 | 
						|
 | 
						|
/*ARGSUSED*/
 | 
						|
void
 | 
						|
PsQueryBestSize(
 | 
						|
  int type,
 | 
						|
  short *pwidth,
 | 
						|
  short *pheight,
 | 
						|
  ScreenPtr pScreen)
 | 
						|
{
 | 
						|
  unsigned width, highBit;
 | 
						|
 | 
						|
  switch(type)
 | 
						|
  {
 | 
						|
    case CursorShape:
 | 
						|
      *pwidth  = 0;
 | 
						|
      *pheight = 0;
 | 
						|
      break;
 | 
						|
    case TileShape:
 | 
						|
    case StippleShape:
 | 
						|
      width = *pwidth;
 | 
						|
      if (!width) break;
 | 
						|
      /* Return the nearest power of two >= what they gave us */
 | 
						|
      highBit = 0x80000000;
 | 
						|
      /* Find the highest 1 bit in the given width */
 | 
						|
      while(!(highBit & width))
 | 
						|
        highBit >>= 1;
 | 
						|
      /* If greater than that then return the next power of two */
 | 
						|
      if((highBit - 1) & width)
 | 
						|
        highBit <<= 1;
 | 
						|
      *pwidth = highBit;
 | 
						|
      /* height is a don't-care */
 | 
						|
        break;
 | 
						|
  }
 | 
						|
}
 | 
						|
 | 
						|
/*
 | 
						|
 * PsGetMediumDimensions is installed in the GetMediumDimensions field
 | 
						|
 * of each Ps-initialized context.
 | 
						|
 */
 | 
						|
int
 | 
						|
PsGetMediumDimensions(XpContextPtr pCon, CARD16 *width, CARD16 *height)
 | 
						|
{
 | 
						|
    XpGetMediumDimensions(pCon, width, height);
 | 
						|
    return Success;
 | 
						|
}
 | 
						|
 | 
						|
/*
 | 
						|
 * PsGetReproducibleArea is installed in the GetReproducibleArea field
 | 
						|
 * of each Ps-initialized context.
 | 
						|
 */
 | 
						|
int
 | 
						|
PsGetReproducibleArea(XpContextPtr pCon, xRectangle *pRect)
 | 
						|
{
 | 
						|
    XpGetReproductionArea(pCon, pRect);
 | 
						|
    return Success;
 | 
						|
}
 | 
						|
 | 
						|
/*
 | 
						|
 * PsSetImageResolution is installed in the SetImageResolution field
 | 
						|
 * of each Ps-initialized context.
 | 
						|
 */
 | 
						|
int
 | 
						|
PsSetImageResolution(XpContextPtr pCon, int imageRes, Bool *status)
 | 
						|
{
 | 
						|
    pCon->imageRes = imageRes;
 | 
						|
    *status = True;
 | 
						|
    return Success;
 | 
						|
}
 | 
						|
 | 
						|
/*
 | 
						|
 * GetPropString searches the window heirarchy from pWin up looking for
 | 
						|
 * a property by the name of propName.  If found, returns the property's
 | 
						|
 * value. If not, it returns NULL.
 | 
						|
 */
 | 
						|
/*
 | 
						|
char *
 | 
						|
GetPropString(
 | 
						|
    WindowPtr pWin,
 | 
						|
    char *propName)
 | 
						|
{
 | 
						|
    Atom atom;
 | 
						|
    PropertyPtr pProp = (PropertyPtr)NULL;
 | 
						|
    char *retVal;
 | 
						|
 | 
						|
    atom = MakeAtom(propName, strlen(propName), FALSE);
 | 
						|
    if(atom != BAD_RESOURCE)
 | 
						|
    {
 | 
						|
        WindowPtr pPropWin;
 | 
						|
	int n;
 | 
						|
*/
 | 
						|
 | 
						|
	/*
 | 
						|
	 * The atom has been defined, but it might only exist as a
 | 
						|
	 * property on an unrelated window.
 | 
						|
	 */
 | 
						|
/*
 | 
						|
        for(pPropWin = pWin; pPropWin != (WindowPtr)NULL; 
 | 
						|
	    pPropWin = pPropWin->parent)
 | 
						|
        {
 | 
						|
	    for(pProp = (PropertyPtr)(wUserProps(pPropWin)); 
 | 
						|
		pProp != (PropertyPtr)NULL;
 | 
						|
	        pProp = pProp->next)
 | 
						|
	    {
 | 
						|
                if (pProp->propertyName == atom)
 | 
						|
                    break;
 | 
						|
	    }
 | 
						|
	    if(pProp != (PropertyPtr)NULL)
 | 
						|
	        break;
 | 
						|
        }
 | 
						|
	if(pProp == (PropertyPtr)NULL)
 | 
						|
	    return (char *)NULL;
 | 
						|
 | 
						|
	n = (pProp->format/8) * pProp->size; *//* size (bytes) of prop */
 | 
						|
/*
 | 
						|
	retVal = (char *)xalloc(n + 1);
 | 
						|
	(void)memcpy((void *)retVal, (void *)pProp->data, n);
 | 
						|
	retVal[n] = '\0';
 | 
						|
 | 
						|
	return retVal;
 | 
						|
    }
 | 
						|
 | 
						|
    return (char *)NULL;
 | 
						|
}
 | 
						|
 | 
						|
#include <signal.h>
 | 
						|
 | 
						|
*/
 | 
						|
/* ARGSUSED */
 | 
						|
/*
 | 
						|
static void SigchldHndlr (int dummy)
 | 
						|
{
 | 
						|
    int   status, w;
 | 
						|
    struct sigaction act;
 | 
						|
    sigfillset(&act.sa_mask);
 | 
						|
    act.sa_flags = 0;
 | 
						|
    act.sa_handler = SigchldHndlr;
 | 
						|
 | 
						|
    w = wait (&status);
 | 
						|
 | 
						|
*/
 | 
						|
    /*
 | 
						|
     * Is this really necessary?
 | 
						|
     */
 | 
						|
/*
 | 
						|
    sigaction(SIGCHLD, &act, (struct sigaction *)NULL);
 | 
						|
}
 | 
						|
*/
 | 
						|
 | 
						|
/*
 | 
						|
 * SystemCmd provides a wrapper for the 'system' library call.  The call
 | 
						|
 * appears to be sensitive to the handling of SIGCHLD, so this wrapper
 | 
						|
 * sets the status to SIG_DFL, and then resets the established handler
 | 
						|
 * after system returns.
 | 
						|
 */
 | 
						|
/*
 | 
						|
int
 | 
						|
SystemCmd(char *cmdStr)
 | 
						|
{
 | 
						|
    int status;
 | 
						|
    struct sigaction newAct, oldAct;
 | 
						|
    sigfillset(&newAct.sa_mask);
 | 
						|
    newAct.sa_flags = 0;
 | 
						|
    newAct.sa_handler = SIG_DFL;
 | 
						|
    sigfillset(&oldAct.sa_mask);
 | 
						|
    oldAct.sa_flags = 0;
 | 
						|
    oldAct.sa_handler = SigchldHndlr;
 | 
						|
 | 
						|
*/
 | 
						|
    /*
 | 
						|
     * get the old handler, and set the action to IGN
 | 
						|
     */
 | 
						|
/*
 | 
						|
    sigaction(SIGCHLD, &newAct, &oldAct);
 | 
						|
 | 
						|
    status = system (cmdStr);
 | 
						|
 | 
						|
    sigaction(SIGCHLD, &oldAct, (struct sigaction *)NULL);
 | 
						|
    return status;
 | 
						|
}
 | 
						|
*/
 | 
						|
 | 
						|
Bool
 | 
						|
PsCloseScreen(
 | 
						|
  int       index,
 | 
						|
  ScreenPtr pScreen)
 | 
						|
{
 | 
						|
  return TRUE;
 | 
						|
}
 | 
						|
 | 
						|
void
 | 
						|
PsLineAttrs(
 | 
						|
  PsOutPtr    psOut,
 | 
						|
  GCPtr       pGC,
 | 
						|
  ColormapPtr cMap)
 | 
						|
{
 | 
						|
  int        i;
 | 
						|
  int        nDsh;
 | 
						|
  int        dshOff;
 | 
						|
  int       *dsh;
 | 
						|
  PsCapEnum  cap;
 | 
						|
  PsJoinEnum join;
 | 
						|
 | 
						|
  switch(pGC->capStyle) {
 | 
						|
    case CapButt:       cap = PsCButt;   break;
 | 
						|
    case CapRound:      cap = PsCRound;  break;
 | 
						|
    case CapProjecting: cap = PsCSquare; break;
 | 
						|
    default:            cap = PsCButt;   break; }
 | 
						|
  switch(pGC->joinStyle) {
 | 
						|
    case JoinMiter:   join = PsJMiter; break;
 | 
						|
    case JoinRound:   join = PsJRound; break;
 | 
						|
    case JoinBevel:   join = PsJBevel; break;
 | 
						|
    default:          join = PsJBevel; break; }
 | 
						|
  if( pGC->lineStyle==LineSolid ) { nDsh = dshOff = 0; dsh = (int *)0; }
 | 
						|
  else
 | 
						|
  {
 | 
						|
    nDsh   = pGC->numInDashList;
 | 
						|
    dshOff = pGC->dashOffset;
 | 
						|
    if( !nDsh ) dsh = (int *)0;
 | 
						|
    else
 | 
						|
    {
 | 
						|
      dsh = (int *)xalloc(sizeof(int)*nDsh);
 | 
						|
      for( i=0 ; i<nDsh ; i++ ) dsh[i] = (int)pGC->dash[i]&0xFF;
 | 
						|
    }
 | 
						|
  }
 | 
						|
 | 
						|
  if( pGC->lineStyle!=LineDoubleDash )
 | 
						|
    PsOut_LineAttrs(psOut, (int)pGC->lineWidth,
 | 
						|
                    cap, join, nDsh, dsh, dshOff, -1);
 | 
						|
  else
 | 
						|
    PsOut_LineAttrs(psOut, (int)pGC->lineWidth,
 | 
						|
                    cap, join, nDsh, dsh, dshOff,
 | 
						|
                    PsGetPixelColor(cMap, pGC->bgPixel));
 | 
						|
  if( nDsh && dsh ) xfree(dsh);
 | 
						|
}
 |