diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/X/NXglyphcurs.c.NX.original')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/nxagent/X/NXglyphcurs.c.NX.original | 241 |
1 files changed, 241 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/X/NXglyphcurs.c.NX.original b/nx-X11/programs/Xserver/hw/nxagent/X/NXglyphcurs.c.NX.original new file mode 100644 index 000000000..3e105ac64 --- /dev/null +++ b/nx-X11/programs/Xserver/hw/nxagent/X/NXglyphcurs.c.NX.original @@ -0,0 +1,241 @@ +/**************************************************************************/ +/* */ +/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/. */ +/* */ +/* NXAGENT, NX protocol compression and NX extensions to this software */ +/* are copyright of NoMachine. Redistribution and use of the present */ +/* software is allowed according to terms specified in the file LICENSE */ +/* which comes in the source distribution. */ +/* */ +/* Check http://www.nomachine.com/licensing.html for applicability. */ +/* */ +/* NX and NoMachine are trademarks of NoMachine S.r.l. */ +/* */ +/* All rights reserved. */ +/* */ +/**************************************************************************/ + +/************************************************************************ + +Copyright 1987, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 +OPEN GROUP 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 Open Group 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 Open Group. + + +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. + +************************************************************************/ + +/* $Xorg: glyphcurs.c,v 1.4 2001/02/09 02:04:40 xorgcvs Exp $ */ + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include "misc.h" +#include <X11/fonts/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" + +#include "../../fb/fb.h" +#include "Pixmaps.h" + +#ifndef True +#define True 1 +#endif + +/* + 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(FontPtr pfont, unsigned 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 = fbCreatePixmap(pScreen, cm->width, cm->height, 1); + pGC = GetScratchGC(1, pScreen); + if (!ppix || !pGC) + { + if (ppix) + fbDestroyPixmap(ppix); + if (pGC) + FreeScratchGC(pGC); + xfree(pbits); + return BadAlloc; + } + + #ifdef TEST + fprintf(stderr, "ServerBitsFromGlyph: Created virtual pixmap at [%p] with width [%d] height [%d] depth [%d].\n", + (void *) ppix, cm->width, cm->height, 1); + #endif + + nxagentPixmapPriv(ppix) -> id = 0; + nxagentPixmapPriv(ppix) -> mid = 0; + nxagentPixmapPriv(ppix) -> isVirtual = True; + nxagentPixmapPriv(ppix) -> pRealPixmap = NULL; + nxagentPixmapPriv(ppix) -> pVirtualPixmap = NULL; + + rect.x = 0; + rect.y = 0; + rect.width = cm->width; + rect.height = cm->height; + + pGC->stateChanges |= GCFunction | GCForeground | GCFont; + pGC->alu = GXcopy; + + pGC->fgPixel = 0; + + pfont->refcnt++; + + if (pGC->font) + CloseFont(pGC->font, (Font)0); + + pGC->font = pfont; + + ValidateGC((DrawablePtr)ppix, pGC); + fbPolyFillRect((DrawablePtr)ppix, pGC, 1, &rect); + + /* draw the glyph */ + gcval[0].val = 1; + pGC->fgPixel = 1; + + pGC->stateChanges |= GCForeground; + + ValidateGC((DrawablePtr)ppix, pGC); + miPolyText16((DrawablePtr)ppix, pGC, (int)cm->xhot, (int)cm->yhot, (int)1, (unsigned short*)char2b); + fbGetImage((DrawablePtr)ppix, 0, 0, cm->width, cm->height, + XYPixmap, 1, pbits); + *ppbits = (unsigned char *)pbits; + FreeScratchGC(pGC); + fbDestroyPixmap(ppix); + + #ifdef TEST + fprintf(stderr, "ServerBitsFromGlyph: Destroyed virtual pixmap at [%p].\n", + (void *) ppix); + #endif + + return Success; +} + + +Bool +CursorMetricsFromGlyph(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; +} |