+++ /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: glyphcurs.c /main/28 1996/08/01 19:21:16 dpw $ */
-
-#include "misc.h"
-#include "fontstruct.h"
-#include "dixfontstr.h"
-#include "scrnintstr.h"
-#include "gcstruct.h"
-#include "resource.h"
-#include "dix.h"
-#include "cursorstr.h"
-#include "opaque.h"
-#include "servermd.h"
-
-
-/*
- get the bits out of the font in a portable way. to avoid
-dealing with padding and such-like, we draw the glyph into
-a bitmap, then read the bits out with GetImage, which
-uses server-natural format.
- since all screens return the same bitmap format, we'll just use
-the first one we find.
- the character origin lines up with the hotspot in the
-cursor metrics.
-*/
-
-int
-ServerBitsFromGlyph(pfont, ch, cm, ppbits)
- FontPtr pfont;
- unsigned int ch;
- register CursorMetricPtr cm;
- unsigned char **ppbits;
-{
- register ScreenPtr pScreen;
- register GCPtr pGC;
- xRectangle rect;
- PixmapPtr ppix;
- long nby;
- char *pbits;
- ChangeGCVal gcval[3];
- unsigned char char2b[2];
-
- /* turn glyph index into a protocol-format char2b */
- char2b[0] = (unsigned char)(ch >> 8);
- char2b[1] = (unsigned char)(ch & 0xff);
-
- pScreen = screenInfo.screens[0];
- nby = BitmapBytePad(cm->width) * (long)cm->height;
- pbits = (char *)xalloc(nby);
- if (!pbits)
- return BadAlloc;
- /* zeroing the (pad) bits seems to help some ddx cursor handling */
- bzero(pbits, nby);
-
- ppix = (PixmapPtr)(*pScreen->CreatePixmap)(pScreen, cm->width,
- cm->height, 1);
- pGC = GetScratchGC(1, pScreen);
- if (!ppix || !pGC)
- {
- if (ppix)
- (*pScreen->DestroyPixmap)(ppix);
- if (pGC)
- FreeScratchGC(pGC);
- xfree(pbits);
- return BadAlloc;
- }
-
- rect.x = 0;
- rect.y = 0;
- rect.width = cm->width;
- rect.height = cm->height;
-
- /* fill the pixmap with 0 */
- gcval[0].val = GXcopy;
- gcval[1].val = 0;
- gcval[2].ptr = (pointer)pfont;
- dixChangeGC(NullClient, pGC, GCFunction | GCForeground | GCFont,
- NULL, gcval);
- ValidateGC((DrawablePtr)ppix, pGC);
- (*pGC->ops->PolyFillRect)((DrawablePtr)ppix, pGC, 1, &rect);
-
- /* draw the glyph */
- gcval[0].val = 1;
- dixChangeGC(NullClient, pGC, GCForeground, NULL, gcval);
- ValidateGC((DrawablePtr)ppix, pGC);
- (*pGC->ops->PolyText16)((DrawablePtr)ppix, pGC, cm->xhot, cm->yhot,
- 1, (unsigned short *)char2b);
- (*pScreen->GetImage)((DrawablePtr)ppix, 0, 0, cm->width, cm->height,
- XYPixmap, 1, pbits);
- *ppbits = (unsigned char *)pbits;
- FreeScratchGC(pGC);
- (*pScreen->DestroyPixmap)(ppix);
- return Success;
-}
-
-
-Bool
-CursorMetricsFromGlyph( pfont, ch, cm)
- register FontPtr pfont;
- unsigned ch;
- register CursorMetricPtr cm;
-{
- CharInfoPtr pci;
- unsigned long nglyphs;
- CARD8 chs[2];
- FontEncoding encoding;
-
- chs[0] = ch >> 8;
- chs[1] = ch;
- encoding = (FONTLASTROW(pfont) == 0) ? Linear16Bit : TwoD16Bit;
- if (encoding == Linear16Bit)
- {
- if (ch < pfont->info.firstCol || pfont->info.lastCol < ch)
- return FALSE;
- }
- else
- {
- if (chs[0] < pfont->info.firstRow || pfont->info.lastRow < chs[0])
- return FALSE;
- if (chs[1] < pfont->info.firstCol || pfont->info.lastCol < chs[1])
- return FALSE;
- }
- (*pfont->get_glyphs) (pfont, 1, chs, encoding, &nglyphs, &pci);
- if (nglyphs == 0)
- return FALSE;
- cm->width = pci->metrics.rightSideBearing - pci->metrics.leftSideBearing;
- cm->height = pci->metrics.descent + pci->metrics.ascent;
- if (pci->metrics.leftSideBearing > 0)
- {
- cm->width += pci->metrics.leftSideBearing;
- cm->xhot = 0;
- }
- else
- {
- cm->xhot = -pci->metrics.leftSideBearing;
- if (pci->metrics.rightSideBearing < 0)
- cm->width -= pci->metrics.rightSideBearing;
- }
- if (pci->metrics.ascent < 0)
- {
- cm->height -= pci->metrics.ascent;
- cm->yhot = 0;
- }
- else
- {
- cm->yhot = pci->metrics.ascent;
- if (pci->metrics.descent < 0)
- cm->height -= pci->metrics.descent;
- }
- return TRUE;
-}
projects / rdpsrv / blobdiff