+++ /dev/null
-/***********************************************************
-
-Copyright (c) 1987 X Consortium
-
-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
-X CONSORTIUM 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 X Consortium 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 X Consortium.
-
-
-Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
-
- All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its
-documentation for any purpose and without fee is hereby granted,
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in
-supporting documentation, and that the name of Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
-ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
-SOFTWARE.
-
-******************************************************************/
-/* $XConsortium: mfbcmap.c,v 5.6 94/04/17 20:28:19 dpw Exp $ */
-#include "X.h"
-#include "scrnintstr.h"
-#include "colormapst.h"
-#include "resource.h"
-
-/* A monochrome frame buffer is a static gray colormap with two entries.
- * We have a "required list" of length 1. Because we can only support 1
- * colormap, we never have to change it, but we may have to change the
- * name we call it. If someone installs a new colormap, we know it must
- * look just like the old one (because we've checked in dispatch that it was
- * a valid colormap identifier, and all the colormap IDs for this device
- * look the same). Nevertheless, we still have to uninstall the old colormap
- * and install the new one. Similarly, if someone uninstalls a colormap,
- * we have to install the default map, even though we know those two looked
- * alike.
- * The required list concept is pretty much irrelevant when you can only
- * have one map installed at a time.
- */
-static ColormapPtr InstalledMaps[MAXSCREENS];
-
-int
-mfbListInstalledColormaps(pScreen, pmaps)
- ScreenPtr pScreen;
- Colormap *pmaps;
-{
- /* By the time we are processing requests, we can guarantee that there
- * is always a colormap installed */
- *pmaps = InstalledMaps[pScreen->myNum]->mid;
- return (1);
-}
-
-
-void
-mfbInstallColormap(pmap)
- ColormapPtr pmap;
-{
- int index = pmap->pScreen->myNum;
- ColormapPtr oldpmap = InstalledMaps[index];
-
- if(pmap != oldpmap)
- {
- /* Uninstall pInstalledMap. No hardware changes required, just
- * notify all interested parties. */
- if(oldpmap != (ColormapPtr)None)
- WalkTree(pmap->pScreen, TellLostMap, (pointer)&oldpmap->mid);
- /* Install pmap */
- InstalledMaps[index] = pmap;
- WalkTree(pmap->pScreen, TellGainedMap, (pointer)&pmap->mid);
-
- }
-}
-
-void
-mfbUninstallColormap(pmap)
- ColormapPtr pmap;
-{
- int index = pmap->pScreen->myNum;
- ColormapPtr curpmap = InstalledMaps[index];
-
- if(pmap == curpmap)
- {
- if (pmap->mid != pmap->pScreen->defColormap)
- {
- curpmap = (ColormapPtr) LookupIDByType(pmap->pScreen->defColormap,
- RT_COLORMAP);
- (*pmap->pScreen->InstallColormap)(curpmap);
- }
- }
-}
-
-/*ARGSUSED*/
-void
-mfbResolveColor (pred, pgreen, pblue, pVisual)
- unsigned short *pred;
- unsigned short *pgreen;
- unsigned short *pblue;
- VisualPtr pVisual;
-{
- /*
- * Gets intensity from RGB. If intensity is >= half, pick white, else
- * pick black. This may well be more trouble than it's worth.
- */
- *pred = *pgreen = *pblue =
- (((30L * *pred +
- 59L * *pgreen +
- 11L * *pblue) >> 8) >= (((1<<8)-1)*50)) ? ~0 : 0;
-}
-
-Bool
-mfbCreateColormap(pMap)
- ColormapPtr pMap;
-{
- ScreenPtr pScreen;
- unsigned short red0, green0, blue0;
- unsigned short red1, green1, blue1;
- Pixel pix;
-
- pScreen = pMap->pScreen;
- if (pScreen->whitePixel == 0)
- {
- red0 = green0 = blue0 = ~0;
- red1 = green1 = blue1 = 0;
- }
- else
- {
- red0 = green0 = blue0 = 0;
- red1 = green1 = blue1 = ~0;
- }
-
- /* this is a monochrome colormap, it only has two entries, just fill
- * them in by hand. If it were a more complex static map, it would be
- * worth writing a for loop or three to initialize it */
-
- /* this will be pixel 0 */
- pix = 0;
- if (AllocColor(pMap, &red0, &green0, &blue0, &pix, 0) != Success)
- return FALSE;
-
- /* this will be pixel 1 */
- if (AllocColor(pMap, &red1, &green1, &blue1, &pix, 0) != Success)
- return FALSE;
- return TRUE;
-}
-
-/*ARGSUSED*/
-void
-mfbDestroyColormap (pMap)
- ColormapPtr pMap;
-{
- return;
-}
-
-Bool
-mfbCreateDefColormap (pScreen)
- ScreenPtr pScreen;
-{
- VisualPtr pVisual;
- ColormapPtr pColormap;
-
- for (pVisual = pScreen->visuals;
- pVisual->vid != pScreen->rootVisual;
- pVisual++)
- ;
- if (CreateColormap (pScreen->defColormap, pScreen, pVisual,
- &pColormap, AllocNone, 0) != Success)
- {
- return FALSE;
- }
- (*pScreen->InstallColormap) (pColormap);
- return TRUE;
-}
projects / rdpsrv / blobdiff