hw/xnest/Visual.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/Xproto.h>
  21 #include "scrnintstr.h"
  22 #include "dix.h"
  23 #include "mi.h"
  24 #include "Xnest.h"
  25
  26 #include "Display.h"
  27 #include "Visual.h"
  28
  29 Visual *
  30 xnestVisual(VisualPtr pVisual)
  31 {
  32     int i;
  33
  34     for (i = 0; i < xnestNumVisuals; i++)
  35         if (pVisual->class == xnestVisuals[i].class &&
  36             pVisual->bitsPerRGBValue == xnestVisuals[i].bits_per_rgb &&
  37             pVisual->ColormapEntries == xnestVisuals[i].colormap_size &&
  38             pVisual->nplanes == xnestVisuals[i].depth &&
  39             pVisual->redMask == xnestVisuals[i].red_mask &&
  40             pVisual->greenMask == xnestVisuals[i].green_mask &&
  41             pVisual->blueMask == xnestVisuals[i].blue_mask)
  42             return xnestVisuals[i].visual;
  43
  44     return NULL;
  45 }
  46
  47 Visual *
  48 xnestVisualFromID(ScreenPtr pScreen, VisualID visual)
  49 {
  50     int i;
  51
  52     for (i = 0; i < pScreen->numVisuals; i++)
  53         if (pScreen->visuals[i].vid == visual)
  54             return xnestVisual(&pScreen->visuals[i]);
  55
  56     return NULL;
  57 }
  58
  59 Colormap
  60 xnestDefaultVisualColormap(Visual * visual)
  61 {
  62     int i;
  63
  64     for (i = 0; i < xnestNumVisuals; i++)
  65         if (xnestVisuals[i].visual == visual)
  66             return xnestDefaultColormaps[i];
  67
  68     return None;
  69 }