xorg-server-1.4/hw/xprint/ps/PsMisc.c

   1 /*
   2
   3 Copyright 1996, 1998  The Open Group
   4
   5 Permission to use, copy, modify, distribute, and sell this software and its
   6 documentation for any purpose is hereby granted without fee, provided that
   7 the above copyright notice appear in all copies and that both that
   8 copyright notice and this permission notice appear in supporting
   9 documentation.
  10
  11 The above copyright notice and this permission notice shall be included in
  12 all copies or substantial portions of the 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 THE
  17 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  18 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  19 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20
  21 Except as contained in this notice, the name of The Open Group shall not be
  22 used in advertising or otherwise to promote the sale, use or other dealings
  23 in this Software without prior written authorization from The Open Group.
  24
  25 */
  26 /*
  27  * (c) Copyright 1996 Hewlett-Packard Company
  28  * (c) Copyright 1996 International Business Machines Corp.
  29  * (c) Copyright 1996 Sun Microsystems, Inc.
  30  * (c) Copyright 1996 Novell, Inc.
  31  * (c) Copyright 1996 Digital Equipment Corp.
  32  * (c) Copyright 1996 Fujitsu Limited
  33  * (c) Copyright 1996 Hitachi, Ltd.
  34  *
  35  * Permission is hereby granted, free of charge, to any person obtaining
  36  * a copy of this software and associated documentation files (the
  37  * "Software"), to deal in the Software without restriction, including
  38  * without limitation the rights to use, copy, modify, merge, publish,
  39  * distribute, sublicense, and/or sell copies of the Software, and to
  40  * permit persons to whom the Software is furnished to do so, subject
  41  * to the following conditions:
  42  *
  43  * The above copyright notice and this permission notice shall be included
  44  * in all copies or substantial portions of the Software.
  45  *
  46  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  47  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  48  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  49  * THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  50  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  51  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  52  * SOFTWARE.
  53  *
  54  * Except as contained in this notice, the names of the copyright holders
  55  * shall not be used in advertising or otherwise to promote the sale, use
  56  * or other dealings in this Software without prior written authorization
  57  * from said copyright holders.
  58  */
  59
  60 /*******************************************************************
  61 **
  62 **    *********************************************************
  63 **    *
  64 **    *  File:          PsMisc.c
  65 **    *
  66 **    *  Contents:      Miscellaneous code for Ps driver.
  67 **    *
  68 **    *  Created By:    Roger Helmendach (Liberty Systems)
  69 **    *
  70 **    *  Copyright:     Copyright 1996 The Open Group, Inc.
  71 **    *
  72 **    *********************************************************
  73 **
  74 ********************************************************************/
  75
  76 #ifdef HAVE_DIX_CONFIG_H
  77 #include <dix-config.h>
  78 #endif
  79
  80 #include <X11/Xos.h>    /* for SIGCLD on pre-POSIX systems */
  81 #include <stdio.h>
  82 #include "Ps.h"
  83
  84 #include "cursor.h"
  85 #include "resource.h"
  86
  87 #include "windowstr.h"
  88 #include "propertyst.h"
  89
  90
  91 /*ARGSUSED*/
  92 void
  93 PsQueryBestSize(
  94   int type,
  95   short *pwidth,
  96   short *pheight,
  97   ScreenPtr pScreen)
  98 {
  99   unsigned width, highBit;
 100
 101   switch(type)
 102   {
 103     case CursorShape:
 104       *pwidth  = 0;
 105       *pheight = 0;
 106       break;
 107     case TileShape:
 108     case StippleShape:
 109       width = *pwidth;
 110       if (!width) break;
 111       /* Return the nearest power of two >= what they gave us */
 112       highBit = 0x80000000;
 113       /* Find the highest 1 bit in the given width */
 114       while(!(highBit & width))
 115         highBit >>= 1;
 116       /* If greater than that then return the next power of two */
 117       if((highBit - 1) & width)
 118         highBit <<= 1;
 119       *pwidth = highBit;
 120       /* height is a don't-care */
 121         break;
 122   }
 123 }
 124
 125 /*
 126  * PsGetMediumDimensions is installed in the GetMediumDimensions field
 127  * of each Ps-initialized context.
 128  */
 129 int
 130 PsGetMediumDimensions(XpContextPtr pCon, CARD16 *width, CARD16 *height)
 131 {
 132     XpGetMediumDimensions(pCon, width, height);
 133     return Success;
 134 }
 135
 136 /*
 137  * PsGetReproducibleArea is installed in the GetReproducibleArea field
 138  * of each Ps-initialized context.
 139  */
 140 int
 141 PsGetReproducibleArea(XpContextPtr pCon, xRectangle *pRect)
 142 {
 143     XpGetReproductionArea(pCon, pRect);
 144     return Success;
 145 }
 146
 147 /*
 148  * PsSetImageResolution is installed in the SetImageResolution field
 149  * of each Ps-initialized context.
 150  */
 151 int
 152 PsSetImageResolution(XpContextPtr pCon, int imageRes, Bool *status)
 153 {
 154     pCon->imageRes = imageRes;
 155     *status = True;
 156     return Success;
 157 }
 158
 159 /*
 160  * GetPropString searches the window heirarchy from pWin up looking for
 161  * a property by the name of propName.  If found, returns the property's
 162  * value. If not, it returns NULL.
 163  */
 164 /*
 165 char *
 166 GetPropString(
 167     WindowPtr pWin,
 168     char *propName)
 169 {
 170     Atom atom;
 171     PropertyPtr pProp = (PropertyPtr)NULL;
 172     char *retVal;
 173
 174     atom = MakeAtom(propName, strlen(propName), FALSE);
 175     if(atom != BAD_RESOURCE)
 176     {
 177         WindowPtr pPropWin;
 178         int n;
 179 */
 180
 181         /*
 182          * The atom has been defined, but it might only exist as a
 183          * property on an unrelated window.
 184          */
 185 /*
 186         for(pPropWin = pWin; pPropWin != (WindowPtr)NULL;
 187             pPropWin = pPropWin->parent)
 188         {
 189             for(pProp = (PropertyPtr)(wUserProps(pPropWin));
 190                 pProp != (PropertyPtr)NULL;
 191                 pProp = pProp->next)
 192             {
 193                 if (pProp->propertyName == atom)
 194                     break;
 195             }
 196             if(pProp != (PropertyPtr)NULL)
 197                 break;
 198         }
 199         if(pProp == (PropertyPtr)NULL)
 200             return (char *)NULL;
 201
 202         n = (pProp->format/8) * pProp->size; *//* size (bytes) of prop */
 203 /*
 204         retVal = (char *)xalloc(n + 1);
 205         (void)memcpy((void *)retVal, (void *)pProp->data, n);
 206         retVal[n] = '\0';
 207
 208         return retVal;
 209     }
 210
 211     return (char *)NULL;
 212 }
 213
 214 #include <signal.h>
 215
 216 */
 217 /* ARGSUSED */
 218 /*
 219 static void SigchldHndlr (int dummy)
 220 {
 221     int   status, w;
 222     struct sigaction act;
 223     sigfillset(&act.sa_mask);
 224     act.sa_flags = 0;
 225     act.sa_handler = SigchldHndlr;
 226
 227     w = wait (&status);
 228
 229 */
 230     /*
 231      * Is this really necessary?
 232      */
 233 /*
 234     sigaction(SIGCHLD, &act, (struct sigaction *)NULL);
 235 }
 236 */
 237
 238 /*
 239  * SystemCmd provides a wrapper for the 'system' library call.  The call
 240  * appears to be sensitive to the handling of SIGCHLD, so this wrapper
 241  * sets the status to SIG_DFL, and then resets the established handler
 242  * after system returns.
 243  */
 244 /*
 245 int
 246 SystemCmd(char *cmdStr)
 247 {
 248     int status;
 249     struct sigaction newAct, oldAct;
 250     sigfillset(&newAct.sa_mask);
 251     newAct.sa_flags = 0;
 252     newAct.sa_handler = SIG_DFL;
 253     sigfillset(&oldAct.sa_mask);
 254     oldAct.sa_flags = 0;
 255     oldAct.sa_handler = SigchldHndlr;
 256
 257 */
 258     /*
 259      * get the old handler, and set the action to IGN
 260      */
 261 /*
 262     sigaction(SIGCHLD, &newAct, &oldAct);
 263
 264     status = system (cmdStr);
 265
 266     sigaction(SIGCHLD, &oldAct, (struct sigaction *)NULL);
 267     return status;
 268 }
 269 */
 270
 271 Bool
 272 PsCloseScreen(
 273   int       index,
 274   ScreenPtr pScreen)
 275 {
 276   return TRUE;
 277 }
 278
 279 void
 280 PsLineAttrs(
 281   PsOutPtr    psOut,
 282   GCPtr       pGC,
 283   ColormapPtr cMap)
 284 {
 285   int        i;
 286   int        nDsh;
 287   int        dshOff;
 288   int       *dsh;
 289   PsCapEnum  cap;
 290   PsJoinEnum join;
 291
 292   switch(pGC->capStyle) {
 293     case CapButt:       cap = PsCButt;   break;
 294     case CapRound:      cap = PsCRound;  break;
 295     case CapProjecting: cap = PsCSquare; break;
 296     default:            cap = PsCButt;   break; }
 297   switch(pGC->joinStyle) {
 298     case JoinMiter:   join = PsJMiter; break;
 299     case JoinRound:   join = PsJRound; break;
 300     case JoinBevel:   join = PsJBevel; break;
 301     default:          join = PsJBevel; break; }
 302   if( pGC->lineStyle==LineSolid ) { nDsh = dshOff = 0; dsh = (int *)0; }
 303   else
 304   {
 305     nDsh   = pGC->numInDashList;
 306     dshOff = pGC->dashOffset;
 307     if( !nDsh ) dsh = (int *)0;
 308     else
 309     {
 310       dsh = (int *)xalloc(sizeof(int)*nDsh);
 311       for( i=0 ; i<nDsh ; i++ ) dsh[i] = (int)pGC->dash[i]&0xFF;
 312     }
 313   }
 314
 315   if( pGC->lineStyle!=LineDoubleDash )
 316     PsOut_LineAttrs(psOut, (int)pGC->lineWidth,
 317                     cap, join, nDsh, dsh, dshOff, -1);
 318   else
 319     PsOut_LineAttrs(psOut, (int)pGC->lineWidth,
 320                     cap, join, nDsh, dsh, dshOff,
 321                     PsGetPixelColor(cMap, pGC->bgPixel));
 322   if( nDsh && dsh ) xfree(dsh);
 323 }