xorg-server-1.4/hw/xnest/Font.c

   1 /*
   2
   3 Copyright 1993 by Davor Matic
   4
   5 Permission to use, copy, modify, distribute, and sell this software
   6 and its documentation for any purpose is hereby granted without fee,
   7 provided that the above copyright notice appear in all copies and that
   8 both that copyright notice and this permission notice appear in
   9 supporting documentation.  Davor Matic makes no representations about
  10 the suitability of this software for any purpose.  It is provided "as
  11 is" without express or implied warranty.
  12
  13 */
  14
  15 #ifdef HAVE_XNEST_CONFIG_H
  16 #include <xnest-config.h>
  17 #endif
  18
  19 #include <X11/X.h>
  20 #include <X11/Xatom.h>
  21 #include <X11/Xproto.h>
  22 #include "misc.h"
  23 #include "regionstr.h"
  24 #include <X11/fonts/font.h>
  25 #include <X11/fonts/fontstruct.h>
  26 #include "scrnintstr.h"
  27
  28 #include "Xnest.h"
  29
  30 #include "Display.h"
  31 #include "XNFont.h"
  32
  33 int xnestFontPrivateIndex;
  34
  35 Bool
  36 xnestRealizeFont(ScreenPtr pScreen, FontPtr pFont)
  37 {
  38   pointer priv;
  39   Atom name_atom, value_atom;
  40   int nprops;
  41   FontPropPtr props;
  42   int i;
  43   char *name;
  44
  45   FontSetPrivate(pFont, xnestFontPrivateIndex, NULL);
  46
  47   if (requestingClient && XpClientIsPrintClient(requestingClient, NULL))
  48       return True;
  49
  50   name_atom = MakeAtom("FONT", 4, True);
  51   value_atom = 0L;
  52
  53   nprops = pFont->info.nprops;
  54   props = pFont->info.props;
  55
  56   for (i = 0; i < nprops; i++)
  57     if (props[i].name == name_atom) {
  58       value_atom = props[i].value;
  59       break;
  60     }
  61
  62   if (!value_atom) return False;
  63
  64   name = (char *)NameForAtom(value_atom);
  65
  66   if (!name) return False;
  67
  68   priv = (pointer)xalloc(sizeof(xnestPrivFont));
  69   FontSetPrivate(pFont, xnestFontPrivateIndex, priv);
  70
  71   xnestFontPriv(pFont)->font_struct = XLoadQueryFont(xnestDisplay, name);
  72
  73   if (!xnestFontStruct(pFont)) return False;
  74
  75   return True;
  76 }
  77
  78
  79 Bool
  80 xnestUnrealizeFont(ScreenPtr pScreen, FontPtr pFont)
  81 {
  82   if (xnestFontPriv(pFont)) {
  83     if (xnestFontStruct(pFont))
  84       XFreeFont(xnestDisplay, xnestFontStruct(pFont));
  85     xfree(xnestFontPriv(pFont));
  86     FontSetPrivate(pFont, xnestFontPrivateIndex, NULL);
  87   }
  88   return True;
  89 }