diff options
Diffstat (limited to 'dix/dixfonts.c')
| -rw-r--r-- | dix/dixfonts.c | 2179 |
1 files changed, 0 insertions, 2179 deletions
diff --git a/dix/dixfonts.c b/dix/dixfonts.c deleted file mode 100644 index d971260c7..000000000 --- a/dix/dixfonts.c +++ /dev/null @@ -1,2179 +0,0 @@ -/* $XFree86: xc/programs/Xserver/dix/dixfonts.c,v 3.29 2003/11/17 22:20:34 dawes Exp $ */ -/************************************************************************ -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: dixfonts.c,v 1.4 2000/08/17 19:48:18 cpqbld Exp $ */ - -#define NEED_REPLIES -#include "X.h" -#include "Xmd.h" -#include "Xproto.h" -#include "scrnintstr.h" -#include "resource.h" -#include "dixstruct.h" -#include "cursorstr.h" -#include "misc.h" -#include "opaque.h" -#include "dixfontstr.h" -#include "closestr.h" - -#ifdef DEBUG -#include <stdio.h> -#endif - -#ifdef PANORAMIX -#include "panoramiX.h" -#endif - -#ifdef LBX -#include "lbxserve.h" -#endif - -#ifdef XF86BIGFONT -#define _XF86BIGFONT_SERVER_ -#include "xf86bigfont.h" -#endif - -#define QUERYCHARINFO(pci, pr) *(pr) = (pci)->metrics - -extern pointer fosNaturalParams; -extern FontPtr defaultFont; - -static FontPathElementPtr *font_path_elements = (FontPathElementPtr *) 0; -static int num_fpes = 0; -FPEFunctions *fpe_functions = (FPEFunctions *) 0; -static int num_fpe_types = 0; - -static unsigned char *font_path_string; - -static int num_slept_fpes = 0; -static int size_slept_fpes = 0; -static FontPathElementPtr *slept_fpes = (FontPathElementPtr *) 0; -static FontPatternCachePtr patternCache; - -int -FontToXError(err) - int err; -{ - switch (err) { - case Successful: - return Success; - case AllocError: - return BadAlloc; - case BadFontName: - return BadName; - case BadFontPath: - case BadFontFormat: /* is there something better? */ - case BadCharRange: - return BadValue; - default: - return err; - } -} - - -/* - * adding RT_FONT prevents conflict with default cursor font - */ -Bool -SetDefaultFont(defaultfontname) - char *defaultfontname; -{ - int err; - FontPtr pf; - XID fid; - - fid = FakeClientID(0); - err = OpenFont(serverClient, fid, FontLoadAll | FontOpenSync, - (unsigned) strlen(defaultfontname), defaultfontname); - if (err != Success) - return FALSE; - pf = (FontPtr) LookupIDByType(fid, RT_FONT); - if (pf == (FontPtr) NULL) - return FALSE; - defaultFont = pf; - return TRUE; -} - -/* - * note that the font wakeup queue is not refcounted. this is because - * an fpe needs to be added when it's inited, and removed when it's finally - * freed, in order to handle any data that isn't requested, like FS events. - * - * since the only thing that should call these routines is the renderer's - * init_fpe() and free_fpe(), there shouldn't be any problem in using - * freed data. - */ -void -QueueFontWakeup(fpe) - FontPathElementPtr fpe; -{ - int i; - FontPathElementPtr *new; - - for (i = 0; i < num_slept_fpes; i++) { - if (slept_fpes[i] == fpe) { - -#ifdef DEBUG - fprintf(stderr, "re-queueing fpe wakeup\n"); -#endif - - return; - } - } - if (num_slept_fpes == size_slept_fpes) { - new = (FontPathElementPtr *) - xrealloc(slept_fpes, - sizeof(FontPathElementPtr) * (size_slept_fpes + 4)); - if (!new) - return; - slept_fpes = new; - size_slept_fpes += 4; - } - slept_fpes[num_slept_fpes] = fpe; - num_slept_fpes++; -} - -void -RemoveFontWakeup(fpe) - FontPathElementPtr fpe; -{ - int i, - j; - - for (i = 0; i < num_slept_fpes; i++) { - if (slept_fpes[i] == fpe) { - for (j = i; j < num_slept_fpes; j++) { - slept_fpes[j] = slept_fpes[j + 1]; - } - num_slept_fpes--; - return; - } - } -} - -/* ARGSUSED */ -void -FontWakeup(data, count, LastSelectMask) - pointer data; - int count; - pointer LastSelectMask; -{ - int i; - FontPathElementPtr fpe; - - if (count < 0) - return; - /* wake up any fpe's that may be waiting for information */ - for (i = 0; i < num_slept_fpes; i++) { - fpe = slept_fpes[i]; - (void) (*fpe_functions[fpe->type].wakeup_fpe) (fpe, LastSelectMask); - } -} - -/* XXX -- these two funcs may want to be broken into macros */ -static void -UseFPE(FontPathElementPtr fpe) -{ - fpe->refcount++; -} - -static void -FreeFPE (FontPathElementPtr fpe) -{ - fpe->refcount--; - if (fpe->refcount == 0) { - (*fpe_functions[fpe->type].free_fpe) (fpe); - xfree(fpe->name); - xfree(fpe); - } -} - -static Bool -doOpenFont(ClientPtr client, OFclosurePtr c) -{ - FontPtr pfont = NullFont; - FontPathElementPtr fpe = NULL; - ScreenPtr pScr; - int err = Successful; - int i; - char *alias, - *newname; - int newlen; - int aliascount = 20; - /* - * Decide at runtime what FontFormat to use. - */ - Mask FontFormat = - - ((screenInfo.imageByteOrder == LSBFirst) ? - BitmapFormatByteOrderLSB : BitmapFormatByteOrderMSB) | - - ((screenInfo.bitmapBitOrder == LSBFirst) ? - BitmapFormatBitOrderLSB : BitmapFormatBitOrderMSB) | - - BitmapFormatImageRectMin | - -#if GLYPHPADBYTES == 1 - BitmapFormatScanlinePad8 | -#endif - -#if GLYPHPADBYTES == 2 - BitmapFormatScanlinePad16 | -#endif - -#if GLYPHPADBYTES == 4 - BitmapFormatScanlinePad32 | -#endif - -#if GLYPHPADBYTES == 8 - BitmapFormatScanlinePad64 | -#endif - - BitmapFormatScanlineUnit8; - - if (client->clientGone) - { - if (c->current_fpe < c->num_fpes) - { - fpe = c->fpe_list[c->current_fpe]; - (*fpe_functions[fpe->type].client_died) ((pointer) client, fpe); - } - err = Successful; - goto bail; - } - while (c->current_fpe < c->num_fpes) { - fpe = c->fpe_list[c->current_fpe]; - err = (*fpe_functions[fpe->type].open_font) - ((pointer) client, fpe, c->flags, - c->fontname, c->fnamelen, FontFormat, - BitmapFormatMaskByte | - BitmapFormatMaskBit | - BitmapFormatMaskImageRectangle | - BitmapFormatMaskScanLinePad | - BitmapFormatMaskScanLineUnit, - c->fontid, &pfont, &alias, - c->non_cachable_font && c->non_cachable_font->fpe == fpe ? - c->non_cachable_font : - (FontPtr)0); - - if (err == FontNameAlias && alias) { - newlen = strlen(alias); - newname = (char *) xrealloc(c->fontname, newlen); - if (!newname) { - err = AllocError; - break; - } - memmove(newname, alias, newlen); - c->fontname = newname; - c->fnamelen = newlen; - c->current_fpe = 0; - if (--aliascount <= 0) - break; - continue; - } - if (err == BadFontName) { - c->current_fpe++; - continue; - } - if (err == Suspended) { - if (!c->slept) { - c->slept = TRUE; - ClientSleep(client, (ClientSleepProcPtr)doOpenFont, (pointer) c); - } - return TRUE; - } - break; - } - - if (err != Successful) - goto bail; - if (!pfont) { - err = BadFontName; - goto bail; - } - if (!pfont->fpe) - pfont->fpe = fpe; - pfont->refcnt++; - if (pfont->refcnt == 1) { - UseFPE(pfont->fpe); - for (i = 0; i < screenInfo.numScreens; i++) { - pScr = screenInfo.screens[i]; - if (pScr->RealizeFont) - { - if (!(*pScr->RealizeFont) (pScr, pfont)) - { - CloseFont (pfont, (Font) 0); - err = AllocError; - goto bail; - } - } - } - } - if (!AddResource(c->fontid, RT_FONT, (pointer) pfont)) { - err = AllocError; - goto bail; - } - if (patternCache && pfont != c->non_cachable_font) - CacheFontPattern(patternCache, c->origFontName, c->origFontNameLen, - pfont); -bail: - if (err != Successful && c->client != serverClient) { - SendErrorToClient(c->client, X_OpenFont, 0, - c->fontid, FontToXError(err)); - } - if (c->slept) - ClientWakeup(c->client); - for (i = 0; i < c->num_fpes; i++) { - FreeFPE(c->fpe_list[i]); - } - xfree(c->fpe_list); - xfree(c->fontname); - xfree(c); - return TRUE; -} - -int -OpenFont(client, fid, flags, lenfname, pfontname) - ClientPtr client; - XID fid; - Mask flags; - unsigned lenfname; - char *pfontname; -{ - OFclosurePtr c; - int i; - FontPtr cached = (FontPtr)0; - -#ifdef FONTDEBUG - char *f; - f = (char *)xalloc(lenfname + 1); - memmove(f, pfontname, lenfname); - f[lenfname] = '\0'; - ErrorF("OpenFont: fontname is \"%s\"\n", f); - xfree(f); -#endif - if (!lenfname || lenfname > XLFDMAXFONTNAMELEN) - return BadName; - if (patternCache) - { - - /* - ** Check name cache. If we find a cached version of this font that - ** is cachable, immediately satisfy the request with it. If we find - ** a cached version of this font that is non-cachable, we do not - ** satisfy the request with it. Instead, we pass the FontPtr to the - ** FPE's open_font code (the fontfile FPE in turn passes the - ** information to the rasterizer; the fserve FPE ignores it). - ** - ** Presumably, the font is marked non-cachable because the FPE has - ** put some licensing restrictions on it. If the FPE, using - ** whatever logic it relies on, determines that it is willing to - ** share this existing font with the client, then it has the option - ** to return the FontPtr we passed it as the newly-opened font. - ** This allows the FPE to exercise its licensing logic without - ** having to create another instance of a font that already exists. - */ - - cached = FindCachedFontPattern(patternCache, pfontname, lenfname); - if (cached && cached->info.cachable) - { - if (!AddResource(fid, RT_FONT, (pointer) cached)) - return BadAlloc; - cached->refcnt++; - return Success; - } - } - c = (OFclosurePtr) xalloc(sizeof(OFclosureRec)); - if (!c) - return BadAlloc; - c->fontname = (char *) xalloc(lenfname); - c->origFontName = pfontname; - c->origFontNameLen = lenfname; - if (!c->fontname) { - xfree(c); - return BadAlloc; - } - /* - * copy the current FPE list, so that if it gets changed by another client - * while we're blocking, the request still appears atomic - */ - c->fpe_list = (FontPathElementPtr *) - xalloc(sizeof(FontPathElementPtr) * num_fpes); - if (!c->fpe_list) { - xfree(c->fontname); - xfree(c); - return BadAlloc; - } - memmove(c->fontname, pfontname, lenfname); - for (i = 0; i < num_fpes; i++) { - c->fpe_list[i] = font_path_elements[i]; - UseFPE(c->fpe_list[i]); - } - c->client = client; - c->fontid = fid; - c->current_fpe = 0; - c->num_fpes = num_fpes; - c->fnamelen = lenfname; - c->slept = FALSE; - c->flags = flags; - c->non_cachable_font = cached; - - (void) doOpenFont(client, c); - return Success; -} - -/* - * Decrement font's ref count, and free storage if ref count equals zero - */ -/*ARGSUSED*/ -int -CloseFont(value, fid) - pointer value; /* must conform to DeleteType */ - XID fid; -{ - int nscr; - ScreenPtr pscr; - FontPathElementPtr fpe; - FontPtr pfont = (FontPtr)value; - - if (pfont == NullFont) - return (Success); - if (--pfont->refcnt == 0) { - if (patternCache) - RemoveCachedFontPattern (patternCache, pfont); - /* - * since the last reference is gone, ask each screen to free any - * storage it may have allocated locally for it. - */ - for (nscr = 0; nscr < screenInfo.numScreens; nscr++) { - pscr = screenInfo.screens[nscr]; - if (pscr->UnrealizeFont) - (*pscr->UnrealizeFont) (pscr, pfont); - } - if (pfont == defaultFont) - defaultFont = NULL; -#ifdef LBX - LbxFreeFontTag(pfont); -#endif -#ifdef XF86BIGFONT - XF86BigfontFreeFontShm(pfont); -#endif - fpe = pfont->fpe; - (*fpe_functions[fpe->type].close_font) (fpe, pfont); - FreeFPE(fpe); - } - return (Success); -} - - -/***====================================================================***/ - - /* - * \ Sets up pReply as the correct QueryFontReply for pFont with the first - * nProtoCCIStructs char infos. \ - */ - -void -QueryFont(pFont, pReply, nProtoCCIStructs) - FontPtr pFont; - xQueryFontReply *pReply; /* caller must allocate this storage */ - int nProtoCCIStructs; -{ - FontPropPtr pFP; - int r, - c, - i; - xFontProp *prFP; - xCharInfo *prCI; - xCharInfo *charInfos[256]; - unsigned char chars[512]; - int ninfos; - unsigned long ncols; - unsigned long count; - - /* pr->length set in dispatch */ - pReply->minCharOrByte2 = pFont->info.firstCol; - pReply->defaultChar = pFont->info.defaultCh; - pReply->maxCharOrByte2 = pFont->info.lastCol; - pReply->drawDirection = pFont->info.drawDirection; - pReply->allCharsExist = pFont->info.allExist; - pReply->minByte1 = pFont->info.firstRow; - pReply->maxByte1 = pFont->info.lastRow; - pReply->fontAscent = pFont->info.fontAscent; - pReply->fontDescent = pFont->info.fontDescent; - - pReply->minBounds = pFont->info.ink_minbounds; - pReply->maxBounds = pFont->info.ink_maxbounds; - - pReply->nFontProps = pFont->info.nprops; - pReply->nCharInfos = nProtoCCIStructs; - - for (i = 0, pFP = pFont->info.props, prFP = (xFontProp *) (&pReply[1]); - i < pFont->info.nprops; - i++, pFP++, prFP++) { - prFP->name = pFP->name; - prFP->value = pFP->value; - } - - ninfos = 0; - ncols = (unsigned long) (pFont->info.lastCol - pFont->info.firstCol + 1); - prCI = (xCharInfo *) (prFP); - for (r = pFont->info.firstRow; - ninfos < nProtoCCIStructs && r <= (int)pFont->info.lastRow; - r++) { - i = 0; - for (c = pFont->info.firstCol; c <= (int)pFont->info.lastCol; c++) { - chars[i++] = r; - chars[i++] = c; - } - (*pFont->get_metrics) (pFont, ncols, chars, - TwoD16Bit, &count, charInfos); - i = 0; - for (i = 0; i < (int) count && ninfos < nProtoCCIStructs; i++) { - *prCI = *charInfos[i]; - prCI++; - ninfos++; - } - } - return; -} - -static Bool -doListFontsAndAliases(ClientPtr client, LFclosurePtr c) -{ - FontPathElementPtr fpe; - int err = Successful; - FontNamesPtr names = NULL; - char *name, *resolved=NULL; - int namelen, resolvedlen; - int nnames; - int stringLens; - int i; - xListFontsReply reply; - char *bufptr; - char *bufferStart; - int aliascount = 0; - - if (client->clientGone) - { - if (c->current.current_fpe < c->num_fpes) - { - fpe = c->fpe_list[c->current.current_fpe]; - (*fpe_functions[fpe->type].client_died) ((pointer) client, fpe); - } - err = Successful; - goto bail; - } - - if (!c->current.patlen) - goto finish; - - while (c->current.current_fpe < c->num_fpes) { - fpe = c->fpe_list[c->current.current_fpe]; - err = Successful; - - if (!fpe_functions[fpe->type].start_list_fonts_and_aliases) - { - /* This FPE doesn't support/require list_fonts_and_aliases */ - - err = (*fpe_functions[fpe->type].list_fonts) - ((pointer) c->client, fpe, c->current.pattern, - c->current.patlen, c->current.max_names - c->names->nnames, - c->names); - - if (err == Suspended) { - if (!c->slept) { - c->slept = TRUE; - ClientSleep(client, - (ClientSleepProcPtr)doListFontsAndAliases, - (pointer) c); - } - return TRUE; - } - - err = BadFontName; - } - else - { - /* Start of list_fonts_and_aliases functionality. Modeled - after list_fonts_with_info in that it resolves aliases, - except that the information collected from FPEs is just - names, not font info. Each list_next_font_or_alias() - returns either a name into name/namelen or an alias into - name/namelen and its target name into resolved/resolvedlen. - The code at this level then resolves the alias by polling - the FPEs. */ - - if (!c->current.list_started) { - err = (*fpe_functions[fpe->type].start_list_fonts_and_aliases) - ((pointer) c->client, fpe, c->current.pattern, - c->current.patlen, c->current.max_names - c->names->nnames, - &c->current.private); - if (err == Suspended) { - if (!c->slept) { - ClientSleep(client, - (ClientSleepProcPtr)doListFontsAndAliases, - (pointer) c); - c->slept = TRUE; - } - return TRUE; - } - if (err == Successful) - c->current.list_started = TRUE; - } - if (err == Successful) { - char *tmpname; - name = 0; - err = (*fpe_functions[fpe->type].list_next_font_or_alias) - ((pointer) c->client, fpe, &name, &namelen, &tmpname, - &resolvedlen, c->current.private); - if (err == Suspended) { - if (!c->slept) { - ClientSleep(client, - (ClientSleepProcPtr)doListFontsAndAliases, - (pointer) c); - c->slept = TRUE; - } - return TRUE; - } - if (err == FontNameAlias) { - if (resolved) xfree(resolved); - resolved = (char *) xalloc(resolvedlen + 1); - if (resolved) - memmove(resolved, tmpname, resolvedlen + 1); - } - } - - if (err == Successful) - { - if (c->haveSaved) - { - if (c->savedName) - (void)AddFontNamesName(c->names, c->savedName, - c->savedNameLen); - } - else - (void)AddFontNamesName(c->names, name, namelen); - } - - /* - * When we get an alias back, save our state and reset back to - * the start of the FPE looking for the specified name. As - * soon as a real font is found for the alias, pop back to the - * old state - */ - else if (err == FontNameAlias) { - char tmp_pattern[XLFDMAXFONTNAMELEN]; - /* - * when an alias recurses, we need to give - * the last FPE a chance to clean up; so we call - * it again, and assume that the error returned - * is BadFontName, indicating the alias resolution - * is complete. - */ - memmove(tmp_pattern, resolved, resolvedlen); - if (c->haveSaved) - { - char *tmpname; - int tmpnamelen; - - tmpname = 0; - (void) (*fpe_functions[fpe->type].list_next_font_or_alias) - ((pointer) c->client, fpe, &tmpname, &tmpnamelen, - &tmpname, &tmpnamelen, c->current.private); - if (--aliascount <= 0) - { - err = BadFontName; - goto ContBadFontName; - } - } - else - { - c->saved = c->current; - c->haveSaved = TRUE; - if (c->savedName) - xfree(c->savedName); - c->savedName = (char *)xalloc(namelen + 1); - if (c->savedName) - memmove(c->savedName, name, namelen + 1); - c->savedNameLen = namelen; - aliascount = 20; - } - memmove(c->current.pattern, tmp_pattern, resolvedlen); - c->current.patlen = resolvedlen; - c->current.max_names = c->names->nnames + 1; - c->current.current_fpe = -1; - c->current.private = 0; - err = BadFontName; - } - } - /* - * At the end of this FPE, step to the next. If we've finished - * processing an alias, pop state back. If we've collected enough - * font names, quit. - */ - if (err == BadFontName) { - ContBadFontName: ; - c->current.list_started = FALSE; - c->current.current_fpe++; - err = Successful; - if (c->haveSaved) - { - if (c->names->nnames == c->current.max_names || - c->current.current_fpe == c->num_fpes) { - c->haveSaved = FALSE; - c->current = c->saved; - /* Give the saved namelist a chance to clean itself up */ - continue; - } - } - if (c->names->nnames == c->current.max_names) - break; - } - } - - /* - * send the reply - */ - if (err != Successful) { - SendErrorToClient(client, X_ListFonts, 0, 0, FontToXError(err)); - goto bail; - } - -finish: - - names = c->names; - nnames = names->nnames; - client = c->client; - stringLens = 0; - for (i = 0; i < nnames; i++) - stringLens += (names->length[i] <= 255) ? names->length[i] : 0; - - reply.type = X_Reply; - reply.length = (stringLens + nnames + 3) >> 2; - reply.nFonts = nnames; - reply.sequenceNumber = client->sequence; - - bufptr = bufferStart = (char *) ALLOCATE_LOCAL(reply.length << 2); - - if (!bufptr && reply.length) { - SendErrorToClient(client, X_ListFonts, 0, 0, BadAlloc); - goto bail; - } - /* - * since WriteToClient long word aligns things, copy to temp buffer and - * write all at once - */ - for (i = 0; i < nnames; i++) { - if (names->length[i] > 255) - reply.nFonts--; - else - { - *bufptr++ = names->length[i]; - memmove( bufptr, names->names[i], names->length[i]); - bufptr += names->length[i]; - } - } - nnames = reply.nFonts; - reply.length = (stringLens + nnames + 3) >> 2; - client->pSwapReplyFunc = ReplySwapVector[X_ListFonts]; - WriteSwappedDataToClient(client, sizeof(xListFontsReply), &reply); - (void) WriteToClient(client, stringLens + nnames, bufferStart); - DEALLOCATE_LOCAL(bufferStart); - -bail: - if (c->slept) - ClientWakeup(client); - for (i = 0; i < c->num_fpes; i++) - FreeFPE(c->fpe_list[i]); - xfree(c->fpe_list); - if (c->savedName) xfree(c->savedName); - FreeFontNames(names); - xfree(c); - if (resolved) xfree(resolved); - return TRUE; -} - -int -ListFonts(client, pattern, length, max_names) - ClientPtr client; - unsigned char *pattern; - unsigned int length; - unsigned int max_names; -{ - int i; - LFclosurePtr c; - - /* - * The right error to return here would be BadName, however the - * specification does not allow for a Name error on this request. - * Perhaps a better solution would be to return a nil list, i.e. - * a list containing zero fontnames. - */ - if (length > XLFDMAXFONTNAMELEN) - return BadAlloc; - - if (!(c = (LFclosurePtr) xalloc(sizeof *c))) - return BadAlloc; - c->fpe_list = (FontPathElementPtr *) - xalloc(sizeof(FontPathElementPtr) * num_fpes); - if (!c->fpe_list) { - xfree(c); - return BadAlloc; - } - c->names = MakeFontNamesRecord(max_names < 100 ? max_names : 100); - if (!c->names) - { - xfree(c->fpe_list); - xfree(c); - return BadAlloc; - } - memmove( c->current.pattern, pattern, length); - for (i = 0; i < num_fpes; i++) { - c->fpe_list[i] = font_path_elements[i]; - UseFPE(c->fpe_list[i]); - } - c->client = client; - c->num_fpes = num_fpes; - c->current.patlen = length; - c->current.current_fpe = 0; - c->current.max_names = max_names; - c->current.list_started = FALSE; - c->current.private = 0; - c->haveSaved = FALSE; - c->slept = FALSE; - c->savedName = 0; - doListFontsAndAliases(client, c); - return Success; -} - -int -doListFontsWithInfo(client, c) - ClientPtr client; - LFWIclosurePtr c; -{ - FontPathElementPtr fpe; - int err = Successful; - char *name; - int namelen; - int numFonts; - FontInfoRec fontInfo, - *pFontInfo; - xListFontsWithInfoReply *reply; - int length; - xFontProp *pFP; - int i; - int aliascount = 0; - xListFontsWithInfoReply finalReply; - - if (client->clientGone) - { - if (c->current.current_fpe < c->num_fpes) - { - fpe = c->fpe_list[c->current.current_fpe]; - (*fpe_functions[fpe->type].client_died) ((pointer) client, fpe); - } - err = Successful; - goto bail; - } - client->pSwapReplyFunc = ReplySwapVector[X_ListFontsWithInfo]; - if (!c->current.patlen) - goto finish; - while (c->current.current_fpe < c->num_fpes) - { - fpe = c->fpe_list[c->current.current_fpe]; - err = Successful; - if (!c->current.list_started) - { - err = (*fpe_functions[fpe->type].start_list_fonts_with_info) - (client, fpe, c->current.pattern, c->current.patlen, - c->current.max_names, &c->current.private); - if (err == Suspended) - { - if (!c->slept) - { - ClientSleep(client, (ClientSleepProcPtr)doListFontsWithInfo, c); - c->slept = TRUE; - } - return TRUE; - } - if (err == Successful) - c->current.list_started = TRUE; - } - if (err == Successful) - { - name = 0; - pFontInfo = &fontInfo; - err = (*fpe_functions[fpe->type].list_next_font_with_info) - (client, fpe, &name, &namelen, &pFontInfo, - &numFonts, c->current.private); - if (err == Suspended) - { - if (!c->slept) - { - ClientSleep(client, - (ClientSleepProcPtr)doListFontsWithInfo, - c); - c->slept = TRUE; - } - return TRUE; - } - } - /* - * When we get an alias back, save our state and reset back to the - * start of the FPE looking for the specified name. As soon as a real - * font is found for the alias, pop back to the old state - */ - if (err == FontNameAlias) - { - /* - * when an alias recurses, we need to give - * the last FPE a chance to clean up; so we call - * it again, and assume that the error returned - * is BadFontName, indicating the alias resolution - * is complete. - */ - if (c->haveSaved) - { - char *tmpname; - int tmpnamelen; - FontInfoPtr tmpFontInfo; - - tmpname = 0; - tmpFontInfo = &fontInfo; - (void) (*fpe_functions[fpe->type].list_next_font_with_info) - (client, fpe, &tmpname, &tmpnamelen, &tmpFontInfo, - &numFonts, c->current.private); - if (--aliascount <= 0) - { - err = BadFontName; - goto ContBadFontName; - } - } - else - { - c->saved = c->current; - c->haveSaved = TRUE; - c->savedNumFonts = numFonts; - if (c->savedName) - xfree(c->savedName); - c->savedName = (char *)xalloc(namelen + 1); - if (c->savedName) - memmove(c->savedName, name, namelen + 1); - aliascount = 20; - } - memmove(c->current.pattern, name, namelen); - c->current.patlen = namelen; - c->current.max_names = 1; - c->current.current_fpe = 0; - c->current.private = 0; - c->current.list_started = FALSE; - } - /* - * At the end of this FPE, step to the next. If we've finished - * processing an alias, pop state back. If we've sent enough font - * names, quit. Always wait for BadFontName to let the FPE - * have a chance to clean up. - */ - else if (err == BadFontName) - { - ContBadFontName: ; - c->current.list_started = FALSE; - c->current.current_fpe++; - err = Successful; - if (c->haveSaved) - { - if (c->current.max_names == 0 || - c->current.current_fpe == c->num_fpes) - { - c->haveSaved = FALSE; - c->saved.max_names -= (1 - c->current.max_names); - c->current = c->saved; - } - } - else if (c->current.max_names == 0) - break; - } - else if (err == Successful) - { - length = sizeof(*reply) + pFontInfo->nprops * sizeof(xFontProp); - reply = c->reply; - if (c->length < length) - { - reply = (xListFontsWithInfoReply *) xrealloc(c->reply, length); - if (!reply) - { - err = AllocError; - break; - } - c->reply = reply; - c->length = length; - } - if (c->haveSaved) - { - numFonts = c->savedNumFonts; - name = c->savedName; - namelen = strlen(name); - } - reply->type = X_Reply; - reply->length = (sizeof *reply - sizeof(xGenericReply) + - pFontInfo->nprops * sizeof(xFontProp) + - namelen + 3) >> 2; - reply->sequenceNumber = client->sequence; - reply->nameLength = namelen; - reply->minBounds = pFontInfo->ink_minbounds; - reply->maxBounds = pFontInfo->ink_maxbounds; - reply->minCharOrByte2 = pFontInfo->firstCol; - reply->maxCharOrByte2 = pFontInfo->lastCol; - reply->defaultChar = pFontInfo->defaultCh; - reply->nFontProps = pFontInfo->nprops; - reply->drawDirection = pFontInfo->drawDirection; - reply->minByte1 = pFontInfo->firstRow; - reply->maxByte1 = pFontInfo->lastRow; - reply->allCharsExist = pFontInfo->allExist; - reply->fontAscent = pFontInfo->fontAscent; - reply->fontDescent = pFontInfo->fontDescent; - reply->nReplies = numFonts; - pFP = (xFontProp *) (reply + 1); - for (i = 0; i < pFontInfo->nprops; i++) - { - pFP->name = pFontInfo->props[i].name; - pFP->value = pFontInfo->props[i].value; - pFP++; - } - WriteSwappedDataToClient(client, length, reply); - (void) WriteToClient(client, namelen, name); - if (pFontInfo == &fontInfo) - { - xfree(fontInfo.props); - xfree(fontInfo.isStringProp); - } - --c->current.max_names; - } - } -finish: - length = sizeof(xListFontsWithInfoReply); - bzero((char *) &finalReply, sizeof(xListFontsWithInfoReply)); - finalReply.type = X_Reply; - finalReply.sequenceNumber = client->sequence; - finalReply.length = (sizeof(xListFontsWithInfoReply) - - sizeof(xGenericReply)) >> 2; - WriteSwappedDataToClient(client, length, &finalReply); -bail: - if (c->slept) - ClientWakeup(client); - for (i = 0; i < c->num_fpes; i++) - FreeFPE(c->fpe_list[i]); - xfree(c->reply); - xfree(c->fpe_list); - if (c->savedName) xfree(c->savedName); - xfree(c); - return TRUE; -} - -int -StartListFontsWithInfo(client, length, pattern, max_names) - ClientPtr client; - int length; - unsigned char *pattern; - int max_names; -{ - int i; - LFWIclosurePtr c; - - /* - * The right error to return here would be BadName, however the - * specification does not allow for a Name error on this request. - * Perhaps a better solution would be to return a nil list, i.e. - * a list containing zero fontnames. - */ - if (length > XLFDMAXFONTNAMELEN) - return BadAlloc; - - if (!(c = (LFWIclosurePtr) xalloc(sizeof *c))) - goto badAlloc; - c->fpe_list = (FontPathElementPtr *) - xalloc(sizeof(FontPathElementPtr) * num_fpes); - if (!c->fpe_list) - { - xfree(c); - goto badAlloc; - } - memmove(c->current.pattern, pattern, length); - for (i = 0; i < num_fpes; i++) - { - c->fpe_list[i] = font_path_elements[i]; - UseFPE(c->fpe_list[i]); - } - c->client = client; - c->num_fpes = num_fpes; - c->reply = 0; - c->length = 0; - c->current.patlen = length; - c->current.current_fpe = 0; - c->current.max_names = max_names; - c->current.list_started = FALSE; - c->current.private = 0; - c->savedNumFonts = 0; - c->haveSaved = FALSE; - c->slept = FALSE; - c->savedName = 0; - doListFontsWithInfo(client, c); - return Success; -badAlloc: - return BadAlloc; -} - -#define TextEltHeader 2 -#define FontShiftSize 5 -static XID clearGC[] = { CT_NONE }; -#define clearGCmask (GCClipMask) - -int -doPolyText(client, c) - ClientPtr client; - register PTclosurePtr c; -{ - register FontPtr pFont = c->pGC->font, oldpFont; - Font fid, oldfid; - int err = Success, lgerr; /* err is in X error, not font error, space */ - enum { NEVER_SLEPT, START_SLEEP, SLEEPING } client_state = NEVER_SLEPT; - FontPathElementPtr fpe; - GC *origGC = NULL; - - if (client->clientGone) - { - fpe = c->pGC->font->fpe; - (*fpe_functions[fpe->type].client_died) ((pointer) client, fpe); - - if (c->slept) - { - /* Client has died, but we cannot bail out right now. We - need to clean up after the work we did when going to - sleep. Setting the drawable pointer to 0 makes this - happen without any attempts to render or perform other - unnecessary activities. */ - c->pDraw = (DrawablePtr)0; - } - else - { - err = Success; - goto bail; - } - } - - /* Make sure our drawable hasn't disappeared while we slept. */ - if (c->slept && - c->pDraw && - c->pDraw != (DrawablePtr)SecurityLookupIDByClass(client, c->did, - RC_DRAWABLE, SecurityWriteAccess)) - { - /* Our drawable has disappeared. Treat like client died... ask - the FPE code to clean up after client and avoid further - rendering while we clean up after ourself. */ - fpe = c->pGC->font->fpe; - (*fpe_functions[fpe->type].client_died) ((pointer) client, fpe); - c->pDraw = (DrawablePtr)0; - } - - client_state = c->slept ? SLEEPING : NEVER_SLEPT; - - while (c->endReq - c->pElt > TextEltHeader) - { - if (*c->pElt == FontChange) - { - if (c->endReq - c->pElt < FontShiftSize) - { - err = BadLength; - goto bail; - } - - oldpFont = pFont; - oldfid = fid; - - fid = ((Font)*(c->pElt+4)) /* big-endian */ - | ((Font)*(c->pElt+3)) << 8 - | ((Font)*(c->pElt+2)) << 16 - | ((Font)*(c->pElt+1)) << 24; - pFont = (FontPtr)SecurityLookupIDByType(client, fid, RT_FONT, - SecurityReadAccess); - if (!pFont) - { - client->errorValue = fid; - err = BadFont; - /* restore pFont and fid for step 4 (described below) */ - pFont = oldpFont; - fid = oldfid; - - /* If we're in START_SLEEP mode, the following step - shortens the request... in the unlikely event that - the fid somehow becomes valid before we come through - again to actually execute the polytext, which would - then mess up our refcounting scheme badly. */ - c->err = err; - c->endReq = c->pElt; - - goto bail; - } - - /* Step 3 (described below) on our new font */ - if (client_state == START_SLEEP) - pFont->refcnt++; - else - { - if (pFont != c->pGC->font && c->pDraw) - { - ChangeGC( c->pGC, GCFont, &fid); - ValidateGC(c->pDraw, c->pGC); - if (c->reqType == X_PolyText8) - c->polyText = (PolyTextPtr) c->pGC->ops->PolyText8; - else - c->polyText = (PolyTextPtr) c->pGC->ops->PolyText16; - } - - /* Undo the refcnt++ we performed when going to sleep */ - if (client_state == SLEEPING) - (void)CloseFont(c->pGC->font, (Font)0); - } - c->pElt += FontShiftSize; - } - else /* print a string */ - { - unsigned char *pNextElt; - pNextElt = c->pElt + TextEltHeader + (*c->pElt)*c->itemSize; - if ( pNextElt > c->endReq) - { - err = BadLength; - goto bail; - } - if (client_state == START_SLEEP) - { - c->pElt = pNextElt; - continue; - } - if (c->pDraw) - { - lgerr = LoadGlyphs(client, c->pGC->font, *c->pElt, c->itemSize, - c->pElt + TextEltHeader); - } - else lgerr = Successful; - - if (lgerr == Suspended) - { - if (!c->slept) { - int len; - GC *pGC; - PTclosurePtr new_closure; - - /* We're putting the client to sleep. We need to do a few things - to ensure successful and atomic-appearing execution of the - remainder of the request. First, copy the remainder of the - request into a safe malloc'd area. Second, create a scratch GC - to use for the remainder of the request. Third, mark all fonts - referenced in the remainder of the request to prevent their - deallocation. Fourth, make the original GC look like the - request has completed... set its font to the final font value - from this request. These GC manipulations are for the unlikely - (but possible) event that some other client is using the GC. - Steps 3 and 4 are performed by running this procedure through - the remainder of the request in a special no-render mode - indicated by client_state = START_SLEEP. */ - - /* Step 1 */ - /* Allocate a malloc'd closure structure to replace - the local one we were passed */ - new_closure = (PTclosurePtr) xalloc(sizeof(PTclosureRec)); - if (!new_closure) - { - err = BadAlloc; - goto bail; - } - *new_closure = *c; - c = new_closure; - - len = c->endReq - c->pElt; - c->data = (unsigned char *)xalloc(len); - if (!c->data) - { - xfree(c); - err = BadAlloc; - goto bail; - } - memmove(c->data, c->pElt, len); - c->pElt = c->data; - c->endReq = c->pElt + len; - - /* Step 2 */ - - pGC = GetScratchGC(c->pGC->depth, c->pGC->pScreen); - if (!pGC) - { - xfree(c->data); - xfree(c); - err = BadAlloc; - goto bail; - } - if ((err = CopyGC(c->pGC, pGC, GCFunction | - GCPlaneMask | GCForeground | - GCBackground | GCFillStyle | - GCTile | GCStipple | - GCTileStipXOrigin | - GCTileStipYOrigin | GCFont | - GCSubwindowMode | GCClipXOrigin | - GCClipYOrigin | GCClipMask)) != - Success) - { - FreeScratchGC(pGC); - xfree(c->data); - xfree(c); - err = BadAlloc; - goto bail; - } - origGC = c->pGC; - c->pGC = pGC; - ValidateGC(c->pDraw, c->pGC); - - c->slept = TRUE; - ClientSleep(client, - (ClientSleepProcPtr)doPolyText, - (pointer) c); - - /* Set up to perform steps 3 and 4 */ - client_state = START_SLEEP; - continue; /* on to steps 3 and 4 */ - } - return TRUE; - } - else if (lgerr != Successful) - { - err = FontToXError(lgerr); - goto bail; - } - if (c->pDraw) - { - c->xorg += *((INT8 *)(c->pElt + 1)); /* must be signed */ - c->xorg = (* c->polyText)(c->pDraw, c->pGC, c->xorg, c->yorg, - *c->pElt, c->pElt + TextEltHeader); - } - c->pElt = pNextElt; - } - } - -bail: - - if (client_state == START_SLEEP) - { - /* Step 4 */ - if (pFont != origGC->font) - { - ChangeGC(origGC, GCFont, &fid); - ValidateGC(c->pDraw, origGC); - } - - /* restore pElt pointer for execution of remainder of the request */ - c->pElt = c->data; - return TRUE; - } - - if (c->err != Success) err = c->err; - if (err != Success && c->client != serverClient) { -#ifdef PANORAMIX - if (noPanoramiXExtension || !c->pGC->pScreen->myNum) -#endif - SendErrorToClient(c->client, c->reqType, 0, 0, err); - } - if (c->slept) - { - ClientWakeup(c->client); - ChangeGC(c->pGC, clearGCmask, clearGC); - - /* Unreference the font from the scratch GC */ - CloseFont(c->pGC->font, (Font)0); - c->pGC->font = NullFont; - - FreeScratchGC(c->pGC); - xfree(c->data); - xfree(c); - } - return TRUE; -} - -int -PolyText(client, pDraw, pGC, pElt, endReq, xorg, yorg, reqType, did) - ClientPtr client; - DrawablePtr pDraw; - GC *pGC; - unsigned char *pElt; - unsigned char *endReq; - int xorg; - int yorg; - int reqType; - XID did; -{ - PTclosureRec local_closure; - - local_closure.pElt = pElt; - local_closure.endReq = endReq; - local_closure.client = client; - local_closure.pDraw = pDraw; - local_closure.xorg = xorg; - local_closure.yorg = yorg; - if ((local_closure.reqType = reqType) == X_PolyText8) - { - local_closure.polyText = (PolyTextPtr) pGC->ops->PolyText8; - local_closure.itemSize = 1; - } - else - { - local_closure.polyText = (PolyTextPtr) pGC->ops->PolyText16; - local_closure.itemSize = 2; - } - local_closure.pGC = pGC; - local_closure.did = did; - local_closure.err = Success; - local_closure.slept = FALSE; - - (void) doPolyText(client, &local_closure); - return Success; -} - - -#undef TextEltHeader -#undef FontShiftSize - -int -doImageText(client, c) - ClientPtr client; - register ITclosurePtr c; -{ - int err = Success, lgerr; /* err is in X error, not font error, space */ - FontPathElementPtr fpe; - - if (client->clientGone) - { - fpe = c->pGC->font->fpe; - (*fpe_functions[fpe->type].client_died) ((pointer) client, fpe); - err = Success; - goto bail; - } - - /* Make sure our drawable hasn't disappeared while we slept. */ - if (c->slept && - c->pDraw && - c->pDraw != (DrawablePtr)SecurityLookupIDByClass(client, c->did, - RC_DRAWABLE, SecurityWriteAccess)) - { - /* Our drawable has disappeared. Treat like client died... ask - the FPE code to clean up after client. */ - fpe = c->pGC->font->fpe; - (*fpe_functions[fpe->type].client_died) ((pointer) client, fpe); - err = Success; - goto bail; - } - - lgerr = LoadGlyphs(client, c->pGC->font, c->nChars, c->itemSize, c->data); - if (lgerr == Suspended) - { - if (!c->slept) { - GC *pGC; - unsigned char *data; - ITclosurePtr new_closure; - - /* We're putting the client to sleep. We need to - save some state. Similar problem to that handled - in doPolyText, but much simpler because the - request structure is much simpler. */ - - new_closure = (ITclosurePtr) xalloc(sizeof(ITclosureRec)); - if (!new_closure) - { - err = BadAlloc; - goto bail; - } - *new_closure = *c; - c = new_closure; - - data = (unsigned char *)xalloc(c->nChars * c->itemSize); - if (!data) - { - xfree(c); - err = BadAlloc; - goto bail; - } - memmove(data, c->data, c->nChars * c->itemSize); - c->data = data; - - pGC = GetScratchGC(c->pGC->depth, c->pGC->pScreen); - if (!pGC) - { - xfree(c->data); - xfree(c); - err = BadAlloc; - goto bail; - } - if ((err = CopyGC(c->pGC, pGC, GCFunction | GCPlaneMask | - GCForeground | GCBackground | GCFillStyle | - GCTile | GCStipple | GCTileStipXOrigin | - GCTileStipYOrigin | GCFont | - GCSubwindowMode | GCClipXOrigin | - GCClipYOrigin | GCClipMask)) != Success) - { - FreeScratchGC(pGC); - xfree(c->data); - xfree(c); - err = BadAlloc; - goto bail; - } - c->pGC = pGC; - ValidateGC(c->pDraw, c->pGC); - - c->slept = TRUE; - ClientSleep(client, (ClientSleepProcPtr)doImageText, (pointer) c); - } - return TRUE; - } - else if (lgerr != Successful) - { - err = FontToXError(lgerr); - goto bail; - } - if (c->pDraw) - { - (* c->imageText)(c->pDraw, c->pGC, c->xorg, c->yorg, - c->nChars, c->data); - } - -bail: - - if (err != Success && c->client != serverClient) { - SendErrorToClient(c->client, c->reqType, 0, 0, err); - } - if (c->slept) - { - ClientWakeup(c->client); - ChangeGC(c->pGC, clearGCmask, clearGC); - - /* Unreference the font from the scratch GC */ - CloseFont(c->pGC->font, (Font)0); - c->pGC->font = NullFont; - - FreeScratchGC(c->pGC); - xfree(c->data); - xfree(c); - } - return TRUE; -} - -int -ImageText(client, pDraw, pGC, nChars, data, xorg, yorg, reqType, did) - ClientPtr client; - DrawablePtr pDraw; - GC *pGC; - int nChars; - unsigned char *data; - int xorg; - int yorg; - int reqType; - XID did; -{ - ITclosureRec local_closure; - - local_closure.client = client; - local_closure.pDraw = pDraw; - local_closure.pGC = pGC; - local_closure.nChars = nChars; - local_closure.data = data; - local_closure.xorg = xorg; - local_closure.yorg = yorg; - if ((local_closure.reqType = reqType) == X_ImageText8) - { - local_closure.imageText = (ImageTextPtr) pGC->ops->ImageText8; - local_closure.itemSize = 1; - } - else - { - local_closure.imageText = (ImageTextPtr) pGC->ops->ImageText16; - local_closure.itemSize = 2; - } - local_closure.did = did; - local_closure.slept = FALSE; - - (void) doImageText(client, &local_closure); - return Success; -} - - -/* does the necessary magic to figure out the fpe type */ -static int -DetermineFPEType(char *pathname) -{ - int i; - - for (i = 0; i < num_fpe_types; i++) { - if ((*fpe_functions[i].name_check) (pathname)) - return i; - } - return -1; -} - - -static void -FreeFontPath(FontPathElementPtr *list, int n, Bool force) -{ - int i; - - for (i = 0; i < n; i++) { - if (force) { - /* Sanity check that all refcounts will be 0 by the time - we get to the end of the list. */ - int found = 1; /* the first reference is us */ - int j; - for (j = i+1; j < n; j++) { - if (list[j] == list[i]) - found++; - } - if (list[i]->refcount != found) { - ErrorF("FreeFontPath: FPE \"%.*s\" refcount is %d, should be %d; fixing.\n", - list[i]->name_length, list[i]->name, - list[i]->refcount, found); - list[i]->refcount = found; /* ensure it will get freed */ - } - } - FreeFPE(list[i]); - } - xfree((char *) list); -} - -static FontPathElementPtr -find_existing_fpe(FontPathElementPtr *list, int num, unsigned char *name, int len) -{ - FontPathElementPtr fpe; - int i; - - for (i = 0; i < num; i++) { - fpe = list[i]; - if (fpe->name_length == len && memcmp(name, fpe->name, len) == 0) - return fpe; - } - return (FontPathElementPtr) 0; -} - - -static int -SetFontPathElements(int npaths, unsigned char *paths, int *bad, Bool persist) -{ - int i, err = 0; - int valid_paths = 0; - unsigned int len; - unsigned char *cp = paths; - FontPathElementPtr fpe = NULL, *fplist; - - fplist = (FontPathElementPtr *) - xalloc(sizeof(FontPathElementPtr) * npaths); - if (!fplist) { - *bad = 0; - return BadAlloc; - } - for (i = 0; i < num_fpe_types; i++) { - if (fpe_functions[i].set_path_hook) - (*fpe_functions[i].set_path_hook) (); - } - for (i = 0; i < npaths; i++) - { - len = (unsigned int) (*cp++); - - if (len == 0) - { - if (persist) - ErrorF ("Removing empty element from the valid list of fontpaths\n"); - err = BadValue; - } - else - { - /* if it's already in our active list, just reset it */ - /* - * note that this can miss FPE's in limbo -- may be worth catching - * them, though it'd muck up refcounting - */ - fpe = find_existing_fpe(font_path_elements, num_fpes, cp, len); - if (fpe) - { - err = (*fpe_functions[fpe->type].reset_fpe) (fpe); - if (err == Successful) - { - UseFPE(fpe);/* since it'll be decref'd later when freed - * from the old list */ - } - else - fpe = 0; - } - /* if error or can't do it, act like it's a new one */ - if (!fpe) - { - fpe = (FontPathElementPtr) xalloc(sizeof(FontPathElementRec)); - if (!fpe) - { - err = BadAlloc; - goto bail; - } - fpe->name = (char *) xalloc(len + 1); - if (!fpe->name) - { - xfree(fpe); - err = BadAlloc; - goto bail; - } - fpe->refcount = 1; - - strncpy(fpe->name, (char *) cp, (int) len); - fpe->name[len] = '\0'; - fpe->name_length = len; - fpe->type = DetermineFPEType(fpe->name); - if (fpe->type == -1) - err = BadValue; - else - err = (*fpe_functions[fpe->type].init_fpe) (fpe); - if (err != Successful) - { - if (persist) - { - ErrorF("Could not init font path element %s, removing from list!\n", - fpe->name); - } - xfree (fpe->name); - xfree (fpe); - } - } - } - if (err != Successful) - { - if (!persist) - goto bail; - } - else - { - fplist[valid_paths++] = fpe; - } - cp += len; - } - - FreeFontPath(font_path_elements, num_fpes, FALSE); - font_path_elements = fplist; - if (patternCache) - EmptyFontPatternCache(patternCache); - num_fpes = valid_paths; - - return Success; -bail: - *bad = i; - while (--valid_paths >= 0) - FreeFPE(fplist[valid_paths]); - xfree(fplist); - return FontToXError(err); -} - -/* XXX -- do we need to pass error down to each renderer? */ -int -SetFontPath(client, npaths, paths, error) - ClientPtr client; - int npaths; - unsigned char *paths; - int *error; -{ - int err = Success; - - if (npaths == 0) { - if (SetDefaultFontPath(defaultFontPath) != Success) - return BadValue; - } else { - err = SetFontPathElements(npaths, paths, error, FALSE); - } - return err; -} - -int -SetDefaultFontPath(path) - char *path; -{ - unsigned char *cp, - *pp, - *nump, - *newpath; - int num = 1, - len, - err, - size = 0, - bad; - - /* get enough for string, plus values -- use up commas */ - len = strlen(path) + 1; - nump = cp = newpath = (unsigned char *) ALLOCATE_LOCAL(len); - if (!newpath) - return BadAlloc; - pp = (unsigned char *) path; - cp++; - while (*pp) { - if (*pp == ',') { - *nump = (unsigned char) size; - nump = cp++; - pp++; - num++; - size = 0; - } else { - *cp++ = *pp++; - size++; - } - } - *nump = (unsigned char) size; - - err = SetFontPathElements(num, newpath, &bad, TRUE); - - DEALLOCATE_LOCAL(newpath); - - return err; -} - -unsigned char * -GetFontPath(count, length) - int *count; - int *length; -{ - int i; - unsigned char *c; - int len; - FontPathElementPtr fpe; - - len = 0; - for (i = 0; i < num_fpes; i++) { - fpe = font_path_elements[i]; - len += fpe->name_length + 1; - } - font_path_string = (unsigned char *) xrealloc(font_path_string, len); - if (!font_path_string) - return NULL; - - c = font_path_string; - *length = 0; - for (i = 0; i < num_fpes; i++) { - fpe = font_path_elements[i]; - *c = fpe->name_length; - *length += *c++; - memmove(c, fpe->name, fpe->name_length); - c += fpe->name_length; - } - *count = num_fpes; - return font_path_string; -} - -int -LoadGlyphs(client, pfont, nchars, item_size, data) - ClientPtr client; - FontPtr pfont; - unsigned nchars; - int item_size; - unsigned char *data; -{ - if (fpe_functions[pfont->fpe->type].load_glyphs) - return (*fpe_functions[pfont->fpe->type].load_glyphs) - (client, pfont, 0, nchars, item_size, data); - else - return Successful; -} - -void -DeleteClientFontStuff(client) - ClientPtr client; -{ - int i; - FontPathElementPtr fpe; - - for (i = 0; i < num_fpes; i++) - { - fpe = font_path_elements[i]; - if (fpe_functions[fpe->type].client_died) - (*fpe_functions[fpe->type].client_died) ((pointer) client, fpe); - } -} - -void -InitFonts () -{ - patternCache = MakeFontPatternCache(); - -#ifndef KDRIVESERVER - if (screenInfo.numScreens > screenInfo.numVideoScreens) { - PrinterFontRegisterFpeFunctions(); - FontFileCheckRegisterFpeFunctions(); - check_fs_register_fpe_functions(); - } else -#endif - { -#ifdef KDRIVESERVER - BuiltinRegisterFpeFunctions(); -#endif - FontFileRegisterFpeFunctions(); -#ifndef NOFONTSERVERACCESS - fs_register_fpe_functions(); -#endif - } -} - -int -GetDefaultPointSize () -{ - return 120; -} - - -FontResolutionPtr -GetClientResolutions (num) - int *num; -{ - if (requestingClient && requestingClient->fontResFunc != NULL && - !requestingClient->clientGone) - { - return (*requestingClient->fontResFunc)(requestingClient, num); - } - else { - static struct _FontResolution res; - ScreenPtr pScreen; - - pScreen = screenInfo.screens[0]; - res.x_resolution = (pScreen->width * 25.4) / pScreen->mmWidth; - /* - * XXX - we'll want this as long as bitmap instances are prevalent - so that we can match them from scalable fonts - */ - if (res.x_resolution < 88) - res.x_resolution = 75; - else - res.x_resolution = 100; - res.y_resolution = (pScreen->height * 25.4) / pScreen->mmHeight; - if (res.y_resolution < 88) - res.y_resolution = 75; - else - res.y_resolution = 100; - res.point_size = 120; - *num = 1; - return &res; - } -} - -/* - * returns the type index of the new fpe - * - * should be called (only once!) by each type of fpe when initialized - */ - -int -RegisterFPEFunctions(NameCheckFunc name_func, - InitFpeFunc init_func, - FreeFpeFunc free_func, - ResetFpeFunc reset_func, - OpenFontFunc open_func, - CloseFontFunc close_func, - ListFontsFunc list_func, - StartLfwiFunc start_lfwi_func, - NextLfwiFunc next_lfwi_func, - WakeupFpeFunc wakeup_func, - ClientDiedFunc client_died, - LoadGlyphsFunc load_glyphs, - StartLaFunc start_list_alias_func, - NextLaFunc next_list_alias_func, - SetPathFunc set_path_func) -{ - FPEFunctions *new; - - /* grow the list */ - new = (FPEFunctions *) xrealloc(fpe_functions, - (num_fpe_types + 1) * sizeof(FPEFunctions)); - if (!new) - return -1; - fpe_functions = new; - - fpe_functions[num_fpe_types].name_check = name_func; - fpe_functions[num_fpe_types].open_font = open_func; - fpe_functions[num_fpe_types].close_font = close_func; - fpe_functions[num_fpe_types].wakeup_fpe = wakeup_func; - fpe_functions[num_fpe_types].list_fonts = list_func; - fpe_functions[num_fpe_types].start_list_fonts_with_info = - start_lfwi_func; - fpe_functions[num_fpe_types].list_next_font_with_info = - next_lfwi_func; - fpe_functions[num_fpe_types].init_fpe = init_func; - fpe_functions[num_fpe_types].free_fpe = free_func; - fpe_functions[num_fpe_types].reset_fpe = reset_func; - fpe_functions[num_fpe_types].client_died = client_died; - fpe_functions[num_fpe_types].load_glyphs = load_glyphs; - fpe_functions[num_fpe_types].start_list_fonts_and_aliases = - start_list_alias_func; - fpe_functions[num_fpe_types].list_next_font_or_alias = - next_list_alias_func; - fpe_functions[num_fpe_types].set_path_hook = set_path_func; - - return num_fpe_types++; -} - -void -FreeFonts() -{ - if (patternCache) { - FreeFontPatternCache(patternCache); - patternCache = 0; - } - FreeFontPath(font_path_elements, num_fpes, TRUE); - font_path_elements = 0; - num_fpes = 0; - xfree(fpe_functions); - num_fpe_types = 0; - fpe_functions = (FPEFunctions *) 0; -} - -/* convenience functions for FS interface */ - -FontPtr -find_old_font(id) - XID id; -{ - return (FontPtr) SecurityLookupIDByType(NullClient, id, RT_NONE, - SecurityUnknownAccess); -} - -Font -GetNewFontClientID() -{ - return FakeClientID(0); -} - -int -StoreFontClientFont(pfont, id) - FontPtr pfont; - Font id; -{ - return AddResource(id, RT_NONE, (pointer) pfont); -} - -void -DeleteFontClientID(id) - Font id; -{ - FreeResource(id, RT_NONE); -} - -int -client_auth_generation(client) - ClientPtr client; -{ - return 0; -} - -static int fs_handlers_installed = 0; -static unsigned int last_server_gen; - -int -init_fs_handlers(fpe, block_handler) - FontPathElementPtr fpe; - BlockHandlerProcPtr block_handler; -{ - /* if server has reset, make sure the b&w handlers are reinstalled */ - if (last_server_gen < serverGeneration) { - last_server_gen = serverGeneration; - fs_handlers_installed = 0; - } - if (fs_handlers_installed == 0) { - -#ifdef DEBUG - fprintf(stderr, "adding FS b & w handlers\n"); -#endif - - if (!RegisterBlockAndWakeupHandlers(block_handler, - FontWakeup, (pointer) 0)) - return AllocError; - fs_handlers_installed++; - } - QueueFontWakeup(fpe); - return Successful; -} - -void -remove_fs_handlers(fpe, block_handler, all) - FontPathElementPtr fpe; - BlockHandlerProcPtr block_handler; - Bool all; -{ - if (all) { - /* remove the handlers if no one else is using them */ - if (--fs_handlers_installed == 0) { - -#ifdef DEBUG - fprintf(stderr, "removing FS b & w handlers\n"); -#endif - - RemoveBlockAndWakeupHandlers(block_handler, FontWakeup, - (pointer) 0); - } - } - RemoveFontWakeup(fpe); -} - -#ifdef DEBUG -#define GLWIDTHBYTESPADDED(bits,nbytes) \ - ((nbytes) == 1 ? (((bits)+7)>>3) /* pad to 1 byte */ \ - :(nbytes) == 2 ? ((((bits)+15)>>3)&~1) /* pad to 2 bytes */ \ - :(nbytes) == 4 ? ((((bits)+31)>>3)&~3) /* pad to 4 bytes */ \ - :(nbytes) == 8 ? ((((bits)+63)>>3)&~7) /* pad to 8 bytes */ \ - : 0) - -#define GLYPH_SIZE(ch, nbytes) \ - GLWIDTHBYTESPADDED((ch)->metrics.rightSideBearing - \ - (ch)->metrics.leftSideBearing, (nbytes)) -dump_char_ascii(cip) - CharInfoPtr cip; -{ - int r, - l; - int bpr; - int byte; - static unsigned maskTab[] = { - (1 << 7), (1 << 6), (1 << 5), (1 << 4), - (1 << 3), (1 << 2), (1 << 1), (1 << 0), - }; - - bpr = GLYPH_SIZE(cip, 4); - for (r = 0; r < (cip->metrics.ascent + cip->metrics.descent); r++) { - pointer row = (pointer) cip->bits + r * bpr; - - byte = 0; - for (l = 0; l <= (cip->metrics.rightSideBearing - - cip->metrics.leftSideBearing); l++) { - if (maskTab[l & 7] & row[l >> 3]) - putchar('X'); - else - putchar('.'); - } - putchar('\n'); - } -} - -#endif |