diff options
Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/NXdixfonts.c')
| -rw-r--r-- | nx-X11/programs/Xserver/hw/nxagent/NXdixfonts.c | 1400 |
1 files changed, 5 insertions, 1395 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXdixfonts.c b/nx-X11/programs/Xserver/hw/nxagent/NXdixfonts.c index 33b0ea93d..77f21e495 100644 --- a/nx-X11/programs/Xserver/hw/nxagent/NXdixfonts.c +++ b/nx-X11/programs/Xserver/hw/nxagent/NXdixfonts.c @@ -68,31 +68,18 @@ Equipment Corporation. ******************************************************************/ /* $Xorg: dixfonts.c,v 1.4 2000/08/17 19:48:18 cpqbld Exp $ */ -#define NEED_REPLIES -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#endif - -#include <nx-X11/X.h> -#include <nx-X11/Xmd.h> -#include <nx-X11/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" + +static Bool doOpenFont(ClientPtr client, OFclosurePtr c); +static Bool doListFontsAndAliases(ClientPtr client, LFclosurePtr c); + +#include "../../dix/dixfonts.c" /* #define NXAGENT_DEBUG */ -#ifdef DEBUG -#include <stdio.h> -#endif - #include "Agent.h" #include "Font.h" @@ -160,170 +147,6 @@ _NXGetFontPathError: #endif -#ifdef PANORAMIX -#include "../../Xext/panoramiX.h" -#include "../../Xext/panoramiXsrv.h" -#endif - -#ifdef LBX -#include "lbxserve.h" -#endif - -#ifdef XF86BIGFONT -#define _XF86BIGFONT_SERVER_ -#include <nx-X11/extensions/xf86bigfont.h> -#endif - -#define QUERYCHARINFO(pci, pr) *(pr) = (pci)->metrics - -extern void register_fpe_functions(void); - -extern void * 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(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(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(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; - } - } -} - -void -FontWakeup(void * data, int count, void * 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) { @@ -509,206 +332,6 @@ bail: return TRUE; } -int -OpenFont(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, (void *) 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 - * - * \param value must conform to DeleteType - */ -int -CloseFont(void * value, 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 - { - extern void XF86BigfontFreeFontShm(FontPtr); - 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. - * - * \param pReply caller must allocate this storage - */ -void -QueryFont(FontPtr pFont, xQueryFontReply *pReply, 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) @@ -1294,728 +917,6 @@ bail: return TRUE; } -int -StartListFontsWithInfo(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(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) ((void *) 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) ((void *) 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; - } - - pGC->tileIsPixel = TRUE; - pGC->tile.pixel = 0; - pGC->stipple = NullPixmap; - - 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, - (void *) c); -#ifdef NXAGENT_DEBUG - fprintf(stderr, " NXdixfonts: doPolyText (1): client [%lx] sleeping.\n", client); -#endif - - /* 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); -#ifdef NXAGENT_DEBUG - fprintf(stderr, " NXdixfonts: doPolytext: client [%lx] wakeup.\n", client); -#endif - 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(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(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) ((void *) 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) ((void *) 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; - ITclosurePtr old_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; - } - old_closure = c; - *new_closure = *c; - c = new_closure; - - data = (unsigned char *)xalloc(c->nChars * c->itemSize); - if (!data) - { - xfree(c); - c = old_closure; - 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); - c = old_closure; - err = BadAlloc; - goto bail; - } - - pGC->tileIsPixel = TRUE; - pGC->tile.pixel = 0; - pGC->stipple = NullPixmap; - - 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); - c = old_closure; - err = BadAlloc; - goto bail; - } - c->pGC = pGC; - ValidateGC(c->pDraw, c->pGC); - - c->slept = TRUE; - ClientSleep(client, (ClientSleepProcPtr)doImageText, (void *) c); -#ifdef NXAGENT_DEBUG - fprintf(stderr, " NXdixfonts: doImageText (1): client [%lx] sleeping.\n", client); -#endif - - } - 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); -#ifdef NXAGENT_DEBUG - fprintf(stderr, " NXdixfonts: doImageText: client [%lx] wakeup.\n", client); -#endif - 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(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) - { - #ifndef NXAGENT_SERVER - if (persist) - { - ErrorF("Could not init font path element %s, removing from list!\n", - fpe->name); - } - #endif - 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(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(char *path) @@ -2066,296 +967,6 @@ SetDefaultFontPath(char *path) return err; } -unsigned char * -GetFontPath(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(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(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) ((void *) client, fpe); - } -} - -void -InitFonts () -{ - patternCache = MakeFontPatternCache(); - - register_fpe_functions(); -} - -int -GetDefaultPointSize () -{ - return 120; -} - - -FontResolutionPtr -GetClientResolutions (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(XID id) -{ - return (FontPtr) SecurityLookupIDByType(NullClient, id, RT_NONE, - SecurityUnknownAccess); -} - -Font -GetNewFontClientID() -{ - return FakeClientID(0); -} - -int -StoreFontClientFont(FontPtr pfont, Font id) -{ - return AddResource(id, RT_NONE, (void *) pfont); -} - -void -DeleteFontClientID(Font id) -{ - FreeResource(id, RT_NONE); -} - -int -client_auth_generation(ClientPtr client) -{ - return 0; -} - -static int fs_handlers_installed = 0; -static unsigned int last_server_gen; - -int -init_fs_handlers(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, (void *) 0)) - return AllocError; - fs_handlers_installed++; - } - QueueFontWakeup(fpe); - return Successful; -} - -void -remove_fs_handlers(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, - (void *) 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)) -void -dump_char_ascii(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++) { - void * row = (void *) cip->bits + r * bpr; - - byte = 0; - for (l = 0; l <= (cip->metrics.rightSideBearing - - cip->metrics.leftSideBearing); l++) { - if (maskTab[l & 7] & (((int *)row)[l >> 3])) - putchar('X'); - else - putchar('.'); - } - putchar('\n'); - } -} - -#endif - typedef struct { @@ -2796,4 +1407,3 @@ nxOpenFont(client, fid, flags, lenfname, pfontname) nxdoListFontsAndAliases(client, fss); return Success; } - |