+++ /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: cursor.c /main/19 1996/08/01 19:20:16 dpw $ */
-/* $XFree86: xc/programs/Xserver/dix/cursor.c,v 3.1 1996/12/23 06:29:36 dawes Exp $ */
-
-#include "X.h"
-#include "Xmd.h"
-#include "servermd.h"
-#include "scrnintstr.h"
-#include "dixstruct.h"
-#include "cursorstr.h"
-#include "dixfontstr.h"
-#include "opaque.h"
-
-typedef struct _GlyphShare {
- FontPtr font;
- unsigned short sourceChar;
- unsigned short maskChar;
- CursorBitsPtr bits;
- struct _GlyphShare *next;
-} GlyphShare, *GlyphSharePtr;
-
-static GlyphSharePtr sharedGlyphs = (GlyphSharePtr)NULL;
-
-static void
-#if NeedFunctionPrototypes
-FreeCursorBits(CursorBitsPtr bits)
-#else
-FreeCursorBits(bits)
- CursorBitsPtr bits;
-#endif
-{
- if (--bits->refcnt > 0)
- return;
- xfree(bits->source);
- xfree(bits->mask);
- if (bits->refcnt == 0)
- {
- register GlyphSharePtr *prev, this;
-
- for (prev = &sharedGlyphs;
- (this = *prev) && (this->bits != bits);
- prev = &this->next)
- ;
- if (this)
- {
- *prev = this->next;
- CloseFont(this->font, (Font)0);
- xfree(this);
- }
- xfree(bits);
- }
-}
-
-/*
- * To be called indirectly by DeleteResource; must use exactly two args
- */
-/*ARGSUSED*/
-int
-FreeCursor(value, cid)
- pointer value; /* must conform to DeleteType */
- XID cid;
-{
- int nscr;
- CursorPtr pCurs = (CursorPtr)value;
-
- ScreenPtr pscr;
-
- if ( --pCurs->refcnt > 0)
- return(Success);
-
- for (nscr = 0; nscr < screenInfo.numScreens; nscr++)
- {
- pscr = screenInfo.screens[nscr];
- (void)( *pscr->UnrealizeCursor)( pscr, pCurs);
- }
- FreeCursorBits(pCurs->bits);
- xfree( pCurs);
- return(Success);
-}
-
-/*
- * does nothing about the resource table, just creates the data structure.
- * does not copy the src and mask bits
- */
-CursorPtr
-AllocCursor(psrcbits, pmaskbits, cm,
- foreRed, foreGreen, foreBlue, backRed, backGreen, backBlue)
- unsigned char * psrcbits; /* server-defined padding */
- unsigned char * pmaskbits; /* server-defined padding */
- CursorMetricPtr cm;
- unsigned foreRed, foreGreen, foreBlue;
- unsigned backRed, backGreen, backBlue;
-{
- CursorBitsPtr bits;
- CursorPtr pCurs;
- int nscr;
- ScreenPtr pscr;
-
- pCurs = (CursorPtr)xalloc(sizeof(CursorRec) + sizeof(CursorBits));
- if (!pCurs)
- {
- xfree(psrcbits);
- xfree(pmaskbits);
- return (CursorPtr)NULL;
- }
- bits = (CursorBitsPtr)((char *)pCurs + sizeof(CursorRec));
- bits->source = psrcbits;
- bits->mask = pmaskbits;
- bits->width = cm->width;
- bits->height = cm->height;
- bits->xhot = cm->xhot;
- bits->yhot = cm->yhot;
- bits->refcnt = -1;
-
- pCurs->bits = bits;
- pCurs->refcnt = 1;
-
- pCurs->foreRed = foreRed;
- pCurs->foreGreen = foreGreen;
- pCurs->foreBlue = foreBlue;
-
- pCurs->backRed = backRed;
- pCurs->backGreen = backGreen;
- pCurs->backBlue = backBlue;
-
- /*
- * realize the cursor for every screen
- */
- for (nscr = 0; nscr < screenInfo.numScreens; nscr++)
- {
- pscr = screenInfo.screens[nscr];
- if (!( *pscr->RealizeCursor)( pscr, pCurs))
- {
- while (--nscr >= 0)
- {
- pscr = screenInfo.screens[nscr];
- ( *pscr->UnrealizeCursor)( pscr, pCurs);
- }
- FreeCursorBits(bits);
- xfree(pCurs);
- return (CursorPtr)NULL;
- }
- }
- return pCurs;
-}
-
-int
-AllocGlyphCursor(source, sourceChar, mask, maskChar,
- foreRed, foreGreen, foreBlue, backRed, backGreen, backBlue,
- ppCurs, client)
- Font source, mask;
- unsigned int sourceChar, maskChar;
- unsigned foreRed, foreGreen, foreBlue;
- unsigned backRed, backGreen, backBlue;
- CursorPtr *ppCurs;
- ClientPtr client;
-{
- FontPtr sourcefont, maskfont;
- unsigned char *srcbits;
- unsigned char *mskbits;
- CursorMetricRec cm;
- int res;
- CursorBitsPtr bits;
- CursorPtr pCurs;
- int nscr;
- ScreenPtr pscr;
- GlyphSharePtr pShare;
-
- sourcefont = (FontPtr) SecurityLookupIDByType(client, source, RT_FONT,
- SecurityReadAccess);
- maskfont = (FontPtr) SecurityLookupIDByType(client, mask, RT_FONT,
- SecurityReadAccess);
-
- if (!sourcefont)
- {
- client->errorValue = source;
- return(BadFont);
- }
- if (!maskfont && (mask != None))
- {
- client->errorValue = mask;
- return(BadFont);
- }
- if (sourcefont != maskfont)
- pShare = (GlyphSharePtr)NULL;
- else
- {
- for (pShare = sharedGlyphs;
- pShare &&
- ((pShare->font != sourcefont) ||
- (pShare->sourceChar != sourceChar) ||
- (pShare->maskChar != maskChar));
- pShare = pShare->next)
- ;
- }
- if (pShare)
- {
- pCurs = (CursorPtr)xalloc(sizeof(CursorRec));
- if (!pCurs)
- return BadAlloc;
- bits = pShare->bits;
- bits->refcnt++;
- }
- else
- {
- if (!CursorMetricsFromGlyph(sourcefont, sourceChar, &cm))
- {
- client->errorValue = sourceChar;
- return BadValue;
- }
- if (!maskfont)
- {
- register long n;
- register unsigned char *mskptr;
-
- n = BitmapBytePad(cm.width)*(long)cm.height;
- mskptr = mskbits = (unsigned char *)xalloc(n);
- if (!mskptr)
- return BadAlloc;
- while (--n >= 0)
- *mskptr++ = ~0;
- }
- else
- {
- if (!CursorMetricsFromGlyph(maskfont, maskChar, &cm))
- {
- client->errorValue = maskChar;
- return BadValue;
- }
- if ((res = ServerBitsFromGlyph(maskfont, maskChar, &cm, &mskbits)) != 0)
- return res;
- }
- if ((res = ServerBitsFromGlyph(sourcefont, sourceChar, &cm, &srcbits)) != 0)
- {
- xfree(mskbits);
- return res;
- }
- if (sourcefont != maskfont)
- {
- pCurs = (CursorPtr)xalloc(sizeof(CursorRec) + sizeof(CursorBits));
- if (pCurs)
- bits = (CursorBitsPtr)((char *)pCurs + sizeof(CursorRec));
- else
- bits = (CursorBitsPtr)NULL;
- }
- else
- {
- pCurs = (CursorPtr)xalloc(sizeof(CursorRec));
- if (pCurs)
- bits = (CursorBitsPtr)xalloc(sizeof(CursorBits));
- else
- bits = (CursorBitsPtr)NULL;
- }
- if (!bits)
- {
- xfree(pCurs);
- xfree(mskbits);
- xfree(srcbits);
- return BadAlloc;
- }
- bits->source = srcbits;
- bits->mask = mskbits;
- bits->width = cm.width;
- bits->height = cm.height;
- bits->xhot = cm.xhot;
- bits->yhot = cm.yhot;
- if (sourcefont != maskfont)
- bits->refcnt = -1;
- else
- {
- bits->refcnt = 1;
- pShare = (GlyphSharePtr)xalloc(sizeof(GlyphShare));
- if (!pShare)
- {
- FreeCursorBits(bits);
- return BadAlloc;
- }
- pShare->font = sourcefont;
- sourcefont->refcnt++;
- pShare->sourceChar = sourceChar;
- pShare->maskChar = maskChar;
- pShare->bits = bits;
- pShare->next = sharedGlyphs;
- sharedGlyphs = pShare;
- }
- }
- pCurs->bits = bits;
- pCurs->refcnt = 1;
-
- pCurs->foreRed = foreRed;
- pCurs->foreGreen = foreGreen;
- pCurs->foreBlue = foreBlue;
-
- pCurs->backRed = backRed;
- pCurs->backGreen = backGreen;
- pCurs->backBlue = backBlue;
-
- /*
- * realize the cursor for every screen
- */
- for (nscr = 0; nscr < screenInfo.numScreens; nscr++)
- {
- pscr = screenInfo.screens[nscr];
- if (!( *pscr->RealizeCursor)( pscr, pCurs))
- {
- while (--nscr >= 0)
- {
- pscr = screenInfo.screens[nscr];
- ( *pscr->UnrealizeCursor)( pscr, pCurs);
- }
- FreeCursorBits(pCurs->bits);
- xfree(pCurs);
- return BadAlloc;
- }
- }
- *ppCurs = pCurs;
- return Success;
-}
-
-/***********************************************************
- * CreateRootCursor
- *
- * look up the name of a font
- * open the font
- * add the font to the resource table
- * make a cursor from the glyphs
- * add the cursor to the resource table
- *************************************************************/
-
-CursorPtr
-CreateRootCursor(pfilename, glyph)
- char * pfilename;
- unsigned int glyph;
-{
- CursorPtr curs;
- FontPtr cursorfont;
- int err;
- XID fontID;
-
- fontID = FakeClientID(0);
- err = OpenFont(serverClient, fontID, FontLoadAll | FontOpenSync,
- (unsigned)strlen( pfilename), pfilename);
- if (err != Success)
- return NullCursor;
-
- cursorfont = (FontPtr)LookupIDByType(fontID, RT_FONT);
- if (!cursorfont)
- return NullCursor;
- if (AllocGlyphCursor(fontID, glyph, fontID, glyph + 1,
- 0, 0, 0, ~0, ~0, ~0, &curs, serverClient) != Success)
- return NullCursor;
-
- if (!AddResource(FakeClientID(0), RT_CURSOR, (pointer)curs))
- return NullCursor;
-
- return curs;
-}
projects / rdpsrv / blobdiff