259 lines
7.4 KiB
C
259 lines
7.4 KiB
C
/* $Xorg: PsColor.c,v 1.4 2001/02/09 02:04:36 xorgcvs Exp $ */
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/*
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Copyright 1996, 1998 The Open Group
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Permission to use, copy, modify, distribute, and sell this software and its
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documentation for any purpose is hereby granted without fee, provided that
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the above copyright notice appear in all copies and that both that
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copyright notice and this permission notice appear in supporting
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documentation.
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of The Open Group shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from The Open Group.
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*/
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/*
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* (c) Copyright 1996 Hewlett-Packard Company
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* (c) Copyright 1996 International Business Machines Corp.
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* (c) Copyright 1996 Sun Microsystems, Inc.
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* (c) Copyright 1996 Novell, Inc.
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* (c) Copyright 1996 Digital Equipment Corp.
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* (c) Copyright 1996 Fujitsu Limited
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* (c) Copyright 1996 Hitachi, Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject
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* to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
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* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* Except as contained in this notice, the names of the copyright holders
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* shall not be used in advertising or otherwise to promote the sale, use
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* or other dealings in this Software without prior written authorization
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* from said copyright holders.
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*/
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/*******************************************************************
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**
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** *********************************************************
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** *
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** * File: PsColor.c
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** *
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** * Contents: Color routines for the PS driver
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** *
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** * Created By: Roger Helmendach (Liberty Systems)
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** *
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** * Copyright: Copyright 1996 The Open Group, Inc.
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** *
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** *********************************************************
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**
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********************************************************************/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "Ps.h"
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#include "mi.h"
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#include "micmap.h"
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#include "gcstruct.h"
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#include "windowstr.h"
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#include "colormapst.h"
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Bool
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PsCreateColormap(ColormapPtr pColor)
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{
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return miInitializeColormap(pColor);
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}
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void
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PsDestroyColormap(ColormapPtr pColor)
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{
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/* NO-OP */
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}
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void
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PsInstallColormap(ColormapPtr pColor)
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{
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miInstallColormap(pColor);
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}
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void
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PsUninstallColormap(ColormapPtr pColor)
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{
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miUninstallColormap(pColor);
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}
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int
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PsListInstalledColormaps(
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ScreenPtr pScreen,
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XID *pCmapList)
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{
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return miListInstalledColormaps(pScreen, pCmapList);
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}
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void
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PsStoreColors(
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ColormapPtr pColor,
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int ndef,
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xColorItem *pdefs)
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{
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int i;
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for( i=0 ; i<ndef ; i++ )
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{
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if( pdefs[i].flags&DoRed )
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pColor->red[pdefs[i].pixel].co.local.red = pdefs[i].red;
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if( pdefs[i].flags&DoGreen )
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pColor->red[pdefs[i].pixel].co.local.green = pdefs[i].green;
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if( pdefs[i].flags&DoBlue )
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pColor->red[pdefs[i].pixel].co.local.blue = pdefs[i].blue;
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}
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}
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void
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PsResolveColor(
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unsigned short *pRed,
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unsigned short *pGreen,
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unsigned short *pBlue,
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VisualPtr pVisual)
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{
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miResolveColor(pRed, pGreen, pBlue, pVisual);
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}
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PsOutColor
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PsGetPixelColor(ColormapPtr cMap, int pixval)
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{
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VisualPtr v = cMap->pVisual;
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switch( v->class )
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{
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case TrueColor:
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{
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PsOutColor p = pixval;
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PsOutColor r, g, b;
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r = (p & v->redMask) >> v->offsetRed;
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g = (p & v->greenMask) >> v->offsetGreen;
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b = (p & v->blueMask) >> v->offsetBlue;
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r = cMap->red[r].co.local.red;
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g = cMap->green[g].co.local.green;
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b = cMap->blue[b].co.local.blue;
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#ifdef PSOUT_USE_DEEPCOLOR
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return((r<<32)|(g<<16)|b);
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#else
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r >>= 8;
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g >>= 8;
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b >>= 8;
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return((r<<16)|(g<<8)|b);
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#endif /* PSOUT_USE_DEEPCOLOR */
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}
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case PseudoColor:
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case GrayScale:
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case StaticGray:
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{
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PsOutColor r, g, b;
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if( pixval < 0 || pixval > v->ColormapEntries)
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return(0);
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r = cMap->red[pixval].co.local.red;
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g = cMap->red[pixval].co.local.green;
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b = cMap->red[pixval].co.local.blue;
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if ((v->class | DynamicClass) == GrayScale)
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{
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/* rescale to gray (see |miResolveColor()|) */
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r = g = b = (30L*r + 59L*g + 11L*b) / 100L;
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}
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#ifdef PSOUT_USE_DEEPCOLOR
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return((r<<32)|(g<<16)|b);
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#else
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r >>= 8;
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g >>= 8;
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b >>= 8;
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return((r<<16)|(g<<8)|b);
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#endif /* PSOUT_USE_DEEPCOLOR */
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}
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default:
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FatalError("PsGetPixelColor: Unsupported visual %x\n",
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(int)cMap->pVisual->class);
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break;
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}
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return 0; /* NO-OP*/
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}
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void
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PsSetFillColor(DrawablePtr pDrawable, GCPtr pGC, PsOutPtr psOut,
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ColormapPtr cMap)
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{
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switch(pGC->fillStyle)
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{
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case FillSolid:
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PsOut_Color(psOut, PsGetPixelColor(cMap, pGC->fgPixel));
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break;
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case FillTiled:
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if( !PsOut_BeginPattern(psOut, pGC->tile.pixmap,
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pGC->tile.pixmap->drawable.width,
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pGC->tile.pixmap->drawable.height, PsTile, 0, 0) )
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{
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PsReplayPixmap(pGC->tile.pixmap, pDrawable);
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PsOut_EndPattern(psOut);
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}
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PsOut_SetPattern(psOut, pGC->tile.pixmap, PsTile);
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break;
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case FillStippled:
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if( !PsOut_BeginPattern(psOut, pGC->stipple,
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pGC->stipple->drawable.width,
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pGC->stipple->drawable.height, PsStip, 0,
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PsGetPixelColor(cMap, pGC->fgPixel)) )
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{
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PsReplayPixmap(pGC->stipple, pDrawable);
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PsOut_EndPattern(psOut);
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}
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PsOut_SetPattern(psOut, pGC->stipple, PsStip);
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break;
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case FillOpaqueStippled:
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if( !PsOut_BeginPattern(psOut, pGC->stipple,
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pGC->stipple->drawable.width,
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pGC->stipple->drawable.height, PsOpStip,
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PsGetPixelColor(cMap, pGC->bgPixel),
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PsGetPixelColor(cMap, pGC->fgPixel)) )
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{
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PsReplayPixmap(pGC->stipple, pDrawable);
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PsOut_EndPattern(psOut);
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}
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PsOut_SetPattern(psOut, pGC->stipple, PsOpStip);
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break;
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}
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}
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