import from X.Org 7.2RC1

1 files changed, 819 insertions, 0 deletions

diff --git a/lib/libXfont/src/fontfile/fontdir.c b/lib/libXfont/src/fontfile/fontdir.c
new file mode 100644
index 000000000..aae1f2e25
--- /dev/null
+++ b/lib/libXfont/src/fontfile/fontdir.c
@@ -0,0 +1,819 @@
+/* $XdotOrg: xc/lib/font/fontfile/fontdir.c,v 1.4 2005/07/03 07:01:00 daniels Exp $ */
+/* $Xorg: fontdir.c,v 1.4 2001/02/09 02:04:03 xorgcvs Exp $ */
+
+/*
+
+Copyright 1991, 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.
+
+*/
+/* $XFree86: xc/lib/font/fontfile/fontdir.c,v 3.22 2003/07/07 16:40:11 eich Exp $ */
+
+/*
+ * Author:  Keith Packard, MIT X Consortium
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include    <X11/fonts/fntfilst.h>
+#include    <X11/keysym.h>
+
+Bool
+FontFileInitTable (FontTablePtr table, int size)
+{
+    if (size)
+    {
+	table->entries = (FontEntryPtr) xalloc(sizeof(FontEntryRec) * size);
+	if (!table->entries)
+	    return FALSE;
+    }
+    else
+	table->entries = 0;
+    table->used = 0;
+    table->size = size;
+    table->sorted = FALSE;
+    return TRUE;
+}
+
+void
+FontFileFreeEntry (FontEntryPtr entry)
+{
+    FontScalableExtraPtr   extra;
+    int i;
+
+    if (entry->name.name)
+	xfree(entry->name.name);
+    entry->name.name = NULL;
+
+    switch (entry->type)
+    {
+    case FONT_ENTRY_SCALABLE:
+	xfree (entry->u.scalable.fileName);
+	extra = entry->u.scalable.extra;
+	for (i = 0; i < extra->numScaled; i++)
+	    if (extra->scaled[i].vals.ranges)
+		xfree (extra->scaled[i].vals.ranges);
+	xfree (extra->scaled);
+	xfree (extra);
+	break;
+    case FONT_ENTRY_BITMAP:
+	xfree (entry->u.bitmap.fileName);
+	entry->u.bitmap.fileName = NULL;
+	break;
+    case FONT_ENTRY_ALIAS:
+	xfree (entry->u.alias.resolved);
+	entry->u.alias.resolved = NULL;
+	break;
+#ifdef NOTYET
+    case FONT_ENTRY_BC:
+	break;
+#endif
+    }
+}
+
+void
+FontFileFreeTable (FontTablePtr table)
+{
+    int	i;
+
+    for (i = 0; i < table->used; i++)
+	FontFileFreeEntry (&table->entries[i]);
+    xfree (table->entries);
+}
+
+FontDirectoryPtr
+FontFileMakeDir(char *dirName, int size)
+{
+    FontDirectoryPtr	dir;
+    int			dirlen;
+    int			needslash = 0;
+    char		*attrib;
+    int			attriblen;
+
+#if !defined(__UNIXOS2__) && !defined(WIN32)
+    attrib = strchr(dirName, ':');
+#else
+    /* OS/2 uses the colon in the drive letter descriptor, skip this */
+    attrib = strchr(dirName+2, ':');
+#endif
+    if (attrib) {
+	dirlen = attrib - dirName;
+	attriblen = strlen(attrib);
+    } else {
+	dirlen = strlen(dirName);
+	attriblen = 0;
+    }
+    if (dirName[dirlen - 1] != '/')
+#ifdef NCD
+    if (dirlen)     /* leave out slash for builtins */
+#endif
+	needslash = 1;
+    dir = (FontDirectoryPtr) xalloc(sizeof *dir + dirlen + needslash + 1 +
+				    (attriblen ? attriblen + 1 : 0));
+    if (!dir)
+	return (FontDirectoryPtr)0;
+    if (!FontFileInitTable (&dir->scalable, 0))
+    {
+	xfree (dir);
+	return (FontDirectoryPtr)0;
+    }
+    if (!FontFileInitTable (&dir->nonScalable, size))
+    {
+	FontFileFreeTable (&dir->scalable);
+	xfree (dir);
+	return (FontDirectoryPtr)0;
+    }
+    dir->directory = (char *) (dir + 1);
+    dir->dir_mtime = 0;
+    dir->alias_mtime = 0;
+    if (attriblen)
+	dir->attributes = dir->directory + dirlen + needslash + 1;
+    else
+	dir->attributes = NULL;
+    strncpy(dir->directory, dirName, dirlen);
+    dir->directory[dirlen] = '\0';
+    if (dir->attributes)
+	strcpy(dir->attributes, attrib);
+    if (needslash)
+	strcat(dir->directory, "/");
+    return dir;
+}
+
+void
+FontFileFreeDir (FontDirectoryPtr dir)
+{
+    FontFileFreeTable (&dir->scalable);
+    FontFileFreeTable (&dir->nonScalable);
+    xfree(dir);
+}
+
+FontEntryPtr
+FontFileAddEntry(FontTablePtr table, FontEntryPtr prototype)
+{
+    FontEntryPtr    entry;
+    int		    newsize;
+
+    /* can't add entries to a sorted table, pointers get broken! */
+    if (table->sorted)
+	return (FontEntryPtr) 0;    /* "cannot" happen */
+    if (table->used == table->size) {
+	newsize = table->size + 100;
+	entry = (FontEntryPtr) xrealloc(table->entries,
+					   newsize * sizeof(FontEntryRec));
+	if (!entry)
+	    return (FontEntryPtr)0;
+	table->size = newsize;
+	table->entries = entry;
+    }
+    entry = &table->entries[table->used];
+    *entry = *prototype;
+    entry->name.name = (char *) xalloc(prototype->name.length + 1);
+    if (!entry->name.name)
+	return (FontEntryPtr)0;
+    memcpy (entry->name.name, prototype->name.name, prototype->name.length);
+    entry->name.name[entry->name.length] = '\0';
+    table->used++;
+    return entry;
+}
+
+/*
+ * Compare two strings just like strcmp, but preserve decimal integer
+ * sorting order, i.e. "2" < "10" or "iso8859-2" < "iso8859-10" <
+ * "iso10646-1". Strings are sorted as if sequences of digits were
+ * prefixed by a length indicator (i.e., does not ignore leading zeroes).
+ *
+ * Markus Kuhn <Markus.Kuhn@cl.cam.ac.uk>
+ */
+#define Xisdigit(c) ('\060' <= (c) && (c) <= '\071')
+
+static int strcmpn(const char *s1, const char *s2)
+{
+    int digits, predigits = 0;
+    const char *ss1, *ss2;
+
+    while (1) {
+	if (*s1 == 0 && *s2 == 0)
+	    return 0;
+	digits = Xisdigit(*s1) && Xisdigit(*s2);
+	if (digits && !predigits) {
+	    ss1 = s1;
+	    ss2 = s2;
+	    while (Xisdigit(*ss1) && Xisdigit(*ss2))
+		ss1++, ss2++;
+	    if (!Xisdigit(*ss1) && Xisdigit(*ss2))
+		return -1;
+	    if (Xisdigit(*ss1) && !Xisdigit(*ss2))
+		return 1;
+	}
+	if ((unsigned char)*s1 < (unsigned char)*s2)
+	    return -1;
+	if ((unsigned char)*s1 > (unsigned char)*s2)
+	    return 1;
+	predigits = digits;
+	s1++, s2++;
+    }
+}
+
+
+static int
+FontFileNameCompare(const void* a, const void* b)
+{
+    FontEntryPtr    a_name = (FontEntryPtr) a,
+		    b_name = (FontEntryPtr) b;
+
+    return strcmpn(a_name->name.name, b_name->name.name);
+}
+
+void
+FontFileSortTable (FontTablePtr table)
+{
+    if (!table->sorted) {
+	qsort((char *) table->entries, table->used, sizeof(FontEntryRec),
+	      FontFileNameCompare);
+	table->sorted = TRUE;
+    }
+}
+
+void
+FontFileSortDir(FontDirectoryPtr dir)
+{
+    FontFileSortTable (&dir->scalable);
+    FontFileSortTable (&dir->nonScalable);
+    /* now that the table is fixed in size, swizzle the pointers */
+    FontFileSwitchStringsToBitmapPointers (dir);
+}
+
+/*
+  Given a Font Table, SetupWildMatch() sets up various pointers and state
+  information so the table can be searched for name(s) that match a given
+  fontname pattern -- which may contain wildcards.  Under certain
+  circumstances, SetupWildMatch() will find the one table entry that
+  matches the pattern.  If those circumstances do not pertain,
+  SetupWildMatch() returns a range within the the table that should be
+  searched for matching name(s).  With the information established by
+  SetupWildMatch(), including state information in "private", the
+  PatternMatch() procedure is then used to test names in the range for a
+  match.
+*/
+
+#define isWild(c)   ((c) == XK_asterisk || (c) == XK_question)
+#define isDigit(c)  (XK_0 <= (c) && (c) <= XK_9)
+
+static int
+SetupWildMatch(FontTablePtr table, FontNamePtr pat, 
+	       int *leftp, int *rightp, int *privatep)
+{
+    int         nDashes;
+    char        c;
+    char       *t;
+    char       *firstWild;
+    char       *firstDigit;
+    int         first;
+    int         center,
+                left,
+                right;
+    int         result;
+    char	*name;
+
+    name = pat->name;
+    nDashes = pat->ndashes;
+    firstWild = 0;
+    firstDigit = 0;
+    t = name;
+    while ((c = *t++)) {
+	if (isWild(c)) {
+	    if (!firstWild)
+		firstWild = t - 1;
+	}
+	if (isDigit(c)) {
+	    if (!firstDigit)
+		firstDigit = t - 1;
+	}
+    }
+    left = 0;
+    right = table->used;
+    if (firstWild)
+	*privatep = nDashes;
+    else
+	*privatep = -1;
+    if (!table->sorted) {
+	*leftp = left;
+	*rightp = right;
+	return -1;
+    } else if (firstWild) {
+	if (firstDigit && firstDigit < firstWild)
+	    first = firstDigit - name;
+	else
+	    first = firstWild - name;
+	while (left < right) {
+	    center = (left + right) / 2;
+	    result = strncmp(name, table->entries[center].name.name, first);
+	    if (result == 0)
+		break;
+	    if (result < 0)
+		right = center;
+	    else
+		left = center + 1;
+	}
+	*leftp = left;
+	*rightp = right;
+	return -1;
+    } else {
+	while (left < right) {
+	    center = (left + right) / 2;
+	    result = strcmpn(name, table->entries[center].name.name);
+	    if (result == 0)
+		return center;
+	    if (result < 0)
+		right = center;
+	    else
+		left = center + 1;
+	}
+	*leftp = 1;
+	*rightp = 0;
+	return -1;
+    }
+}
+
+static int
+PatternMatch(char *pat, int patdashes, char *string, int stringdashes)
+{
+    char        c,
+                t;
+
+    if (stringdashes < patdashes)
+	return 0;
+    for (;;) {
+	switch (c = *pat++) {
+	case '*':
+	    if (!(c = *pat++))
+		return 1;
+	    if (c == XK_minus) {
+		patdashes--;
+		for (;;) {
+		    while ((t = *string++) != XK_minus)
+			if (!t)
+			    return 0;
+		    stringdashes--;
+		    if (PatternMatch(pat, patdashes, string, stringdashes))
+			return 1;
+		    if (stringdashes == patdashes)
+			return 0;
+		}
+	    } else {
+		for (;;) {
+		    while ((t = *string++) != c) {
+			if (!t)
+			    return 0;
+			if (t == XK_minus) {
+			    if (stringdashes-- < patdashes)
+				return 0;
+			}
+		    }
+		    if (PatternMatch(pat, patdashes, string, stringdashes))
+			return 1;
+		}
+	    }
+	case '?':
+	    if (*string++ == XK_minus)
+		stringdashes--;
+	    break;
+	case '\0':
+	    return (*string == '\0');
+	case XK_minus:
+	    if (*string++ == XK_minus) {
+		patdashes--;
+		stringdashes--;
+		break;
+	    }
+	    return 0;
+	default:
+	    if (c == *string++)
+		break;
+	    return 0;
+	}
+    }
+}
+
+int
+FontFileCountDashes (char *name, int namelen)
+{
+    int	ndashes = 0;
+
+    while (namelen--)
+	if (*name++ == '\055')	/* avoid non ascii systems */
+	    ++ndashes;
+    return ndashes;
+}
+
+char *
+FontFileSaveString (char *s)
+{
+    char    *n;
+
+    n = (char *) xalloc (strlen (s) + 1);
+    if (!n)
+	return 0;
+    strcpy (n, s);
+    return n;
+}
+
+FontEntryPtr
+FontFileFindNameInScalableDir(FontTablePtr table, FontNamePtr pat, 
+			      FontScalablePtr vals)
+{
+    int         i,
+                start,
+                stop,
+                res,
+                private;
+    FontNamePtr	name;
+
+    if ((i = SetupWildMatch(table, pat, &start, &stop, &private)) >= 0)
+	return &table->entries[i];
+    for (i = start; i < stop; i++) {
+	name = &table->entries[i].name;
+	res = PatternMatch(pat->name, private, name->name, name->ndashes);
+	if (res > 0)
+	{
+	    /* Check to see if enhancements requested are available */
+	    if (vals)
+	    {
+		int vs = vals->values_supplied;
+		int cap;
+
+		if (table->entries[i].type == FONT_ENTRY_SCALABLE)
+		    cap = table->entries[i].u.scalable.renderer->capabilities;
+		else if (table->entries[i].type == FONT_ENTRY_ALIAS)
+		    cap = ~0;	/* Calling code will have to see if true */
+		else
+		    cap = 0;
+		if ((((vs & PIXELSIZE_MASK) == PIXELSIZE_ARRAY ||
+		      (vs & POINTSIZE_MASK) == POINTSIZE_ARRAY) &&
+		     !(cap & CAP_MATRIX)) ||
+		    ((vs & CHARSUBSET_SPECIFIED) &&
+		     !(cap & CAP_CHARSUBSETTING)))
+		    continue;
+	    }
+	    return &table->entries[i];
+	}
+	if (res < 0)
+	    break;
+    }
+    return (FontEntryPtr)0;
+}
+
+FontEntryPtr
+FontFileFindNameInDir(FontTablePtr table, FontNamePtr pat)
+{
+    return FontFileFindNameInScalableDir(table, pat, (FontScalablePtr)0);
+}
+
+int
+FontFileFindNamesInScalableDir(FontTablePtr table, FontNamePtr pat, int max, 
+			       FontNamesPtr names, FontScalablePtr vals,
+			       int alias_behavior, int *newmax)
+{
+    int		    i,
+		    start,
+		    stop,
+		    res,
+		    private;
+    int		    ret = Successful;
+    FontEntryPtr    fname;
+    FontNamePtr	    name;
+
+    if (max <= 0)
+	return Successful;
+    if ((i = SetupWildMatch(table, pat, &start, &stop, &private)) >= 0) {
+	if (alias_behavior == NORMAL_ALIAS_BEHAVIOR ||
+	    table->entries[i].type != FONT_ENTRY_ALIAS)
+	{
+	    name = &table->entries[i].name;
+	    if (newmax) *newmax = max - 1;
+	    return AddFontNamesName(names, name->name, name->length);
+	}
+	start = i;
+	stop = i + 1;
+    }
+    for (i = start, fname = &table->entries[start]; i < stop; i++, fname++) {
+	res = PatternMatch(pat->name, private, fname->name.name, fname->name.ndashes);
+	if (res > 0) {
+	    if (vals)
+	    {
+		int vs = vals->values_supplied;
+		int cap;
+
+		if (fname->type == FONT_ENTRY_SCALABLE)
+		    cap = fname->u.scalable.renderer->capabilities;
+		else if (fname->type == FONT_ENTRY_ALIAS)
+		    cap = ~0;	/* Calling code will have to see if true */
+		else
+		    cap = 0;
+		if ((((vs & PIXELSIZE_MASK) == PIXELSIZE_ARRAY ||
+		     (vs & POINTSIZE_MASK) == POINTSIZE_ARRAY) &&
+		    !(cap & CAP_MATRIX)) ||
+		    ((vs & CHARSUBSET_SPECIFIED) &&
+		    !(cap & CAP_CHARSUBSETTING)))
+		    continue;
+	    }
+
+	    if ((alias_behavior & IGNORE_SCALABLE_ALIASES) &&
+		fname->type == FONT_ENTRY_ALIAS)
+	    {
+		FontScalableRec	tmpvals;
+		if (FontParseXLFDName (fname->name.name, &tmpvals,
+				       FONT_XLFD_REPLACE_NONE) &&
+		    !(tmpvals.values_supplied & SIZE_SPECIFY_MASK))
+		    continue;
+	    }
+
+	    ret = AddFontNamesName(names, fname->name.name, fname->name.length);
+	    if (ret != Successful)
+		goto bail;
+
+	    /* If alias_behavior is LIST_ALIASES_AND_TARGET_NAMES, mark
+	       this entry as an alias by negating its length and follow
+	       it by the resolved name */
+	    if ((alias_behavior & LIST_ALIASES_AND_TARGET_NAMES) &&
+		fname->type == FONT_ENTRY_ALIAS)
+	    {
+		names->length[names->nnames - 1] =
+		    -names->length[names->nnames - 1];
+		ret = AddFontNamesName(names, fname->u.alias.resolved,
+				       strlen(fname->u.alias.resolved));
+		if (ret != Successful)
+		    goto bail;
+	    }
+
+	    if (--max <= 0)
+		break;
+	} else if (res < 0)
+	    break;
+    }
+  bail: ;
+    if (newmax) *newmax = max;
+    return ret;
+}
+
+int
+FontFileFindNamesInDir(FontTablePtr table, FontNamePtr pat, 
+		       int max, FontNamesPtr names)
+{
+    return FontFileFindNamesInScalableDir(table, pat, max, names,
+					  (FontScalablePtr)0,
+					  NORMAL_ALIAS_BEHAVIOR, (int *)0);
+}
+
+Bool
+FontFileMatchName(char *name, int length, FontNamePtr pat)
+{
+    /* Perform a fontfile-type name match on a single name */
+    FontTableRec table;
+    FontEntryRec entries[1];
+
+    /* Dummy up a table */
+    table.used = 1;
+    table.size = 1;
+    table.sorted = TRUE;
+    table.entries = entries;
+    entries[0].name.name = name;
+    entries[0].name.length = length;
+    entries[0].name.ndashes = FontFileCountDashes(name, length);
+
+    return FontFileFindNameInDir(&table, pat) != (FontEntryPtr)0;
+}
+
+/*
+ * Add a font file to a directory.  This handles bitmap and
+ * scalable names both
+ */
+
+Bool
+FontFileAddFontFile (FontDirectoryPtr dir, char *fontName, char *fileName)
+{
+    FontEntryRec	    entry;
+    FontScalableRec	    vals, zeroVals;
+    FontRendererPtr	    renderer;
+    FontEntryPtr	    existing;
+    FontScalableExtraPtr    extra;
+    FontEntryPtr	    bitmap = 0, scalable;
+    Bool		    isscale;
+    Bool		    scalable_xlfd;
+
+    renderer = FontFileMatchRenderer (fileName);
+    if (!renderer)
+	return FALSE;
+    entry.name.length = strlen (fontName);
+    if (entry.name.length > MAXFONTNAMELEN)
+	entry.name.length = MAXFONTNAMELEN;
+    entry.name.name = fontName;
+    CopyISOLatin1Lowered (entry.name.name, fontName, entry.name.length);
+    entry.name.ndashes = FontFileCountDashes (entry.name.name, entry.name.length);
+    entry.name.name[entry.name.length] = '\0';
+    /*
+     * Add a bitmap name if the incoming name isn't an XLFD name, or
+     * if it isn't a scalable name (i.e. non-zero scalable fields)
+     *
+     * If name of bitmapped font contains XLFD enhancements, do not add
+     * a scalable version of the name... this can lead to confusion and
+     * ambiguity between the font name and the field enhancements.
+     */
+    isscale = entry.name.ndashes == 14 &&
+	      FontParseXLFDName(entry.name.name,
+				&vals, FONT_XLFD_REPLACE_NONE) &&
+	      (vals.values_supplied & PIXELSIZE_MASK) != PIXELSIZE_ARRAY &&
+	      (vals.values_supplied & POINTSIZE_MASK) != POINTSIZE_ARRAY &&
+	      !(vals.values_supplied & ENHANCEMENT_SPECIFY_MASK);
+#define UNSCALED_ATTRIB "unscaled"
+    scalable_xlfd = (isscale &&
+		(((vals.values_supplied & PIXELSIZE_MASK) == 0) ||
+		 ((vals.values_supplied & POINTSIZE_MASK) == 0)));
+    /*
+     * For scalable fonts without a scalable XFLD, check if the "unscaled"
+     * attribute is present.
+     */
+    if (isscale && !scalable_xlfd &&
+	    dir->attributes && dir->attributes[0] == ':') {
+	char *ptr1 = dir->attributes + 1;
+	char *ptr2;
+	int length;
+	int uslength = strlen(UNSCALED_ATTRIB);
+
+	do {
+	    ptr2 = strchr(ptr1, ':');
+	    if (ptr2)
+		length = ptr2 - ptr1;
+	    else
+		length = dir->attributes + strlen(dir->attributes) - ptr1;
+	    if (length == uslength && !strncmp(ptr1, UNSCALED_ATTRIB, uslength))
+		isscale = FALSE;
+	    if (ptr2)
+		ptr1 = ptr2 + 1;
+	} while (ptr2);
+    }
+    if (!isscale || (vals.values_supplied & SIZE_SPECIFY_MASK))
+    {
+      /*
+       * If the renderer doesn't support OpenBitmap, FontFileOpenFont
+       * will still do the right thing.
+       */
+	entry.type = FONT_ENTRY_BITMAP;
+	entry.u.bitmap.renderer = renderer;
+	entry.u.bitmap.pFont = NullFont;
+	if (!(entry.u.bitmap.fileName = FontFileSaveString (fileName)))
+	    return FALSE;
+	if (!(bitmap = FontFileAddEntry (&dir->nonScalable, &entry)))
+	{
+	    xfree (entry.u.bitmap.fileName);
+	    return FALSE;
+	}
+    }
+    /*
+     * Parse out scalable fields from XLFD names - a scalable name
+     * just gets inserted, a scaled name has more things to do.
+     */
+    if (isscale)
+    {
+	if (vals.values_supplied & SIZE_SPECIFY_MASK)
+	{
+	    bzero((char *)&zeroVals, sizeof(zeroVals));
+	    zeroVals.x = vals.x;
+	    zeroVals.y = vals.y;
+	    zeroVals.values_supplied = PIXELSIZE_SCALAR | POINTSIZE_SCALAR;
+	    FontParseXLFDName (entry.name.name, &zeroVals,
+			       FONT_XLFD_REPLACE_VALUE);
+	    entry.name.length = strlen (entry.name.name);
+	    existing = FontFileFindNameInDir (&dir->scalable, &entry.name);
+	    if (existing)
+	    {
+		if ((vals.values_supplied & POINTSIZE_MASK) ==
+			POINTSIZE_SCALAR &&
+		    (int)(vals.point_matrix[3] * 10) == GetDefaultPointSize())
+		{
+		    existing->u.scalable.extra->defaults = vals;
+
+		    xfree (existing->u.scalable.fileName);
+		    if (!(existing->u.scalable.fileName = FontFileSaveString (fileName)))
+			return FALSE;
+		}
+                if(bitmap)
+                {
+                    FontFileCompleteXLFD(&vals, &vals);
+                    FontFileAddScaledInstance (existing, &vals, NullFont,
+                                               bitmap->name.name);
+                    return TRUE;
+                }
+	    }
+	}
+	if (!(entry.u.scalable.fileName = FontFileSaveString (fileName)))
+	    return FALSE;
+	extra = (FontScalableExtraPtr) xalloc (sizeof (FontScalableExtraRec));
+	if (!extra)
+	{
+	    xfree (entry.u.scalable.fileName);
+	    return FALSE;
+	}
+	bzero((char *)&extra->defaults, sizeof(extra->defaults));
+	if ((vals.values_supplied & POINTSIZE_MASK) == POINTSIZE_SCALAR &&
+	    (int)(vals.point_matrix[3] * 10) == GetDefaultPointSize())
+	    extra->defaults = vals;
+	else
+	{
+	    FontResolutionPtr resolution;
+	    int num;
+
+	    extra->defaults.point_matrix[0] =
+		extra->defaults.point_matrix[3] =
+		    (double)GetDefaultPointSize() / 10.0;
+	    extra->defaults.point_matrix[1] =
+		extra->defaults.point_matrix[2] = 0.0;
+	    extra->defaults.values_supplied =
+		POINTSIZE_SCALAR | PIXELSIZE_UNDEFINED;
+	    extra->defaults.width = -1;
+	    if (vals.x <= 0 || vals.y <= 0)
+	    {
+	        resolution = GetClientResolutions (&num);
+	        if (resolution && num > 0)
+	        {
+	    	    extra->defaults.x = resolution->x_resolution;
+	    	    extra->defaults.y = resolution->y_resolution;
+	        }
+	        else
+	        {
+		    extra->defaults.x = 75;
+		    extra->defaults.y = 75;
+	        }
+	     }
+	     else 
+	     {
+		extra->defaults.x = vals.x;
+		extra->defaults.y = vals.y;
+	     }
+	     FontFileCompleteXLFD (&extra->defaults, &extra->defaults);
+	}
+	extra->numScaled = 0;
+	extra->sizeScaled = 0;
+	extra->scaled = 0;
+	extra->private = 0;
+	entry.type = FONT_ENTRY_SCALABLE;
+	entry.u.scalable.renderer = renderer;
+	entry.u.scalable.extra = extra;
+	if (!(scalable = FontFileAddEntry (&dir->scalable, &entry)))
+	{
+	    xfree (extra);
+	    xfree (entry.u.scalable.fileName);
+	    return FALSE;
+	}
+	if (vals.values_supplied & SIZE_SPECIFY_MASK)
+	{
+            if(bitmap)
+            {
+                FontFileCompleteXLFD(&vals, &vals);
+                FontFileAddScaledInstance (scalable, &vals, NullFont,
+                                           bitmap->name.name);
+            }
+	}
+    }
+    return TRUE;
+}
+
+Bool
+FontFileAddFontAlias (FontDirectoryPtr dir, char *aliasName, char *fontName)
+{
+    FontEntryRec	entry;
+
+    entry.name.length = strlen (aliasName);
+    CopyISOLatin1Lowered (aliasName, aliasName, entry.name.length);
+    entry.name.name = aliasName;
+    entry.name.ndashes = FontFileCountDashes (entry.name.name, entry.name.length);
+    entry.type = FONT_ENTRY_ALIAS;
+    if (!(entry.u.alias.resolved = FontFileSaveString (fontName)))
+	return FALSE;
+    if (!FontFileAddEntry (&dir->nonScalable, &entry))
+    {
+	xfree (entry.u.alias.resolved);
+	return FALSE;
+    }
+    return TRUE;
+}