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);
 | |
| }
 |