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Viewing changes to src/glut/glx/glut_cmap.c

  • Committer: Bazaar Package Importer
  • Author(s): Sebastien Bacher
  • Date: 2007-02-21 12:44:07 UTC
  • mfrom: (1.2.1 upstream)
  • mto: This revision was merged to the branch mainline in revision 22.
  • Revision ID: james.westby@ubuntu.com-20070221124407-rgcacs32mycrtadl
Import upstream version 6.5.2

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Lines of Context:
src/glut/glx/glut_cmap.c
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    }
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    break;
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  case TrueColor:
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  case DirectColor:
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    *colormap = NULL;   /* NULL if RGBA */
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    /* Hewlett-Packard supports a feature called "HP Color
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       private one. */
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    /* XXX Should do a better job of internal sharing for
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       privately allocated TrueColor colormaps. */
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    /* XXX DirectColor probably needs ramps hand initialized! */
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    *cmap = XCreateColormap(__glutDisplay, __glutRoot,
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      vi->visual, AllocNone);
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    break;
 
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  case DirectColor:
 
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    *colormap = NULL;   /* NULL if RGBA */
 
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    *cmap = XCreateColormap(__glutDisplay, __glutRoot,
 
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                            vi->visual, AllocAll);
 
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    if (vi->depth == 24) {
 
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      /* init the red, green, blue maps to linear ramps */
 
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      XColor xc[256];
 
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      int i;
 
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      for (i = 0; i < 256; i++) {
 
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        xc[i].pixel = (i << 16) | (i << 8) | i;
 
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        xc[i].red = (i << 8) | i;
 
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        xc[i].green = (i << 8) | i;
 
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        xc[i].blue = (i << 8) | i;
 
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        xc[i].flags = DoRed | DoGreen | DoBlue;
 
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      }
 
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      XStoreColors(__glutDisplay, *cmap, xc, 256);
 
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    }
 
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    else {
 
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       fprintf(stderr, "GLUT Error: DirectColor visuals other than 24-bits "
 
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               "not fully supported.\n");
 
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    }
 
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    break;
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  case StaticColor:
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  case StaticGray:
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  case GrayScale: