/* $XdotOrg: xc/lib/font/fontfile/fontfile.c,v 1.4 2005/07/03 07:01:00 daniels Exp $ */
/* $Xorg: fontfile.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/fontfile.c,v 3.21 2003/12/02 19:50:40 dawes Exp $ */
/*
* Author: Keith Packard, MIT X Consortium
*/
/* $NCDXorg: @(#)fontfile.c,v 1.6 1991/07/02 17:00:46 lemke Exp $ */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <X11/fonts/fntfilst.h>
#ifdef WIN32
#include <ctype.h>
#endif
/*
* Map FPE functions to renderer functions
*/
static int FontFileOpenBitmapNCF (FontPathElementPtr fpe, FontPtr *pFont,
int flags, FontEntryPtr entry,
fsBitmapFormat format,
fsBitmapFormatMask fmask,
FontPtr non_cachable_font);
int
FontFileNameCheck (char *name)
{
#ifndef NCD
#if defined(__UNIXOS2__) || defined(WIN32)
/* OS/2 uses D:/... as a path name for fonts, so accept this as a valid
* path if it starts with a letter and a colon. Same applies for WIN32
*/
if (isalpha(*name) && name[1]==':')
return TRUE;
#endif
return *name == '/';
#else
return ((strcmp(name, "built-ins") == 0) || (*name == '/'));
#endif
}
int
FontFileInitFPE (FontPathElementPtr fpe)
{
int status;
FontDirectoryPtr dir;
status = FontFileReadDirectory (fpe->name, &dir);
if (status == Successful)
{
if (dir->nonScalable.used > 0)
if (!FontFileRegisterBitmapSource (fpe))
{
FontFileFreeFPE (fpe);
return AllocError;
}
fpe->private = (pointer) dir;
}
return status;
}
/* ARGSUSED */
int
FontFileResetFPE (FontPathElementPtr fpe)
{
FontDirectoryPtr dir;
dir = (FontDirectoryPtr) fpe->private;
/*
* The reset must fail for bitmap fonts because they get cleared when
* the path is set.
*/
if (FontFileDirectoryChanged (dir))
{
/* can't do it, so tell the caller to close and re-open */
return FPEResetFailed;
}
else
{
if (dir->nonScalable.used > 0)
if (!FontFileRegisterBitmapSource (fpe))
{
return FPEResetFailed;
}
return Successful;
}
}
int
FontFileFreeFPE (FontPathElementPtr fpe)
{
FontFileUnregisterBitmapSource (fpe);
FontFileFreeDir ((FontDirectoryPtr) fpe->private);
return Successful;
}
static int
transfer_values_to_alias(char *entryname, int entrynamelength,
char *resolvedname,
char **aliasName, FontScalablePtr vals)
{
static char aliasname[MAXFONTNAMELEN];
int nameok = 1, len;
char lowerName[MAXFONTNAMELEN];
*aliasName = resolvedname;
if ((len = strlen(*aliasName)) <= MAXFONTNAMELEN &&
(entrynamelength < MAXFONTNAMELEN) &&
FontFileCountDashes (*aliasName, len) == 14)
{
FontScalableRec tmpVals;
FontScalableRec tmpVals2;
tmpVals2 = *vals;
/* If we're aliasing a scalable name, transfer values
from the name into the destination alias, multiplying
by matrices that appear in the alias. */
CopyISOLatin1Lowered (lowerName, entryname,
entrynamelength);
lowerName[entrynamelength] = '\0';
if (FontParseXLFDName(lowerName, &tmpVals,
FONT_XLFD_REPLACE_NONE) &&
!tmpVals.values_supplied &&
FontParseXLFDName(*aliasName, &tmpVals,
FONT_XLFD_REPLACE_NONE))
{
double *matrix = 0, tempmatrix[4];
/* Use a matrix iff exactly one is defined */
if ((tmpVals.values_supplied & PIXELSIZE_MASK) ==
PIXELSIZE_ARRAY &&
!(tmpVals.values_supplied & POINTSIZE_MASK))
matrix = tmpVals.pixel_matrix;
else if ((tmpVals.values_supplied & POINTSIZE_MASK) ==
POINTSIZE_ARRAY &&
!(tmpVals.values_supplied & PIXELSIZE_MASK))
matrix = tmpVals.point_matrix;
/* If matrix given in the alias, compute new point
and/or pixel matrices */
if (matrix)
{
/* Complete the XLFD name to avoid potential
gotchas */
if (FontFileCompleteXLFD(&tmpVals2, &tmpVals2))
{
tempmatrix[0] =
matrix[0] * tmpVals2.point_matrix[0] +
matrix[1] * tmpVals2.point_matrix[2];
tempmatrix[1] =
matrix[0] * tmpVals2.point_matrix[1] +
matrix[1] * tmpVals2.point_matrix[3];
tempmatrix[2] =
matrix[2] * tmpVals2.point_matrix[0] +
matrix[3] * tmpVals2.point_matrix[2];
tempmatrix[3] =
matrix[2] * tmpVals2.point_matrix[1] +
matrix[3] * tmpVals2.point_matrix[3];
tmpVals2.point_matrix[0] = tempmatrix[0];
tmpVals2.point_matrix[1] = tempmatrix[1];
tmpVals2.point_matrix[2] = tempmatrix[2];
tmpVals2.point_matrix[3] = tempmatrix[3];
tempmatrix[0] =
matrix[0] * tmpVals2.pixel_matrix[0] +
matrix[1] * tmpVals2.pixel_matrix[2];
tempmatrix[1] =
matrix[0] * tmpVals2.pixel_matrix[1] +
matrix[1] * tmpVals2.pixel_matrix[3];
tempmatrix[2] =
matrix[2] * tmpVals2.pixel_matrix[0] +
matrix[3] * tmpVals2.pixel_matrix[2];
tempmatrix[3] =
matrix[2] * tmpVals2.pixel_matrix[1] +
matrix[3] * tmpVals2.pixel_matrix[3];
tmpVals2.pixel_matrix[0] = tempmatrix[0];
tmpVals2.pixel_matrix[1] = tempmatrix[1];
tmpVals2.pixel_matrix[2] = tempmatrix[2];
tmpVals2.pixel_matrix[3] = tempmatrix[3];
tmpVals2.values_supplied =
(tmpVals2.values_supplied &
~(PIXELSIZE_MASK | POINTSIZE_MASK)) |
PIXELSIZE_ARRAY | POINTSIZE_ARRAY;
}
else
nameok = 0;
}
CopyISOLatin1Lowered (aliasname, *aliasName, len + 1);
if (nameok && FontParseXLFDName(aliasname, &tmpVals2,
FONT_XLFD_REPLACE_VALUE))
/* Return a version of the aliasname that has
had the vals stuffed into it. To avoid
memory leak, this alias name lives in a
static buffer. The caller needs to be done
with this buffer before this procedure is
called again to avoid reentrancy problems. */
*aliasName = aliasname;
}
}
return nameok;
}
/* ARGSUSED */
int
FontFileOpenFont (pointer client, FontPathElementPtr fpe, Mask flags,
char *name, int namelen,
fsBitmapFormat format, fsBitmapFormatMask fmask,
XID id, FontPtr *pFont, char **aliasName,
FontPtr non_cachable_font)
{
FontDirectoryPtr dir;
char lowerName[MAXFONTNAMELEN];
char fileName[MAXFONTFILENAMELEN*2 + 1];
FontNameRec tmpName;
FontEntryPtr entry;
FontScalableRec vals;
FontScalableEntryPtr scalable;
FontScaledPtr scaled;
FontBitmapEntryPtr bitmap;
int ret;
Bool noSpecificSize;
int nranges;
fsRange *ranges;
if (namelen >= MAXFONTNAMELEN)
return AllocError;
dir = (FontDirectoryPtr) fpe->private;
/* Match non-scalable pattern */
CopyISOLatin1Lowered (lowerName, name, namelen);
lowerName[namelen] = '\0';
ranges = FontParseRanges(lowerName, &nranges);
tmpName.name = lowerName;
tmpName.length = namelen;
tmpName.ndashes = FontFileCountDashes (lowerName, namelen);
if (!FontParseXLFDName(lowerName, &vals, FONT_XLFD_REPLACE_NONE))
bzero(&vals, sizeof(vals));
if (!(entry = FontFileFindNameInDir (&dir->nonScalable, &tmpName)) &&
tmpName.ndashes == 14 &&
FontParseXLFDName (lowerName, &vals, FONT_XLFD_REPLACE_ZERO))
{
tmpName.length = strlen(lowerName);
entry = FontFileFindNameInDir (&dir->nonScalable, &tmpName);
}
if (entry)
{
switch (entry->type) {
case FONT_ENTRY_BITMAP:
bitmap = &entry->u.bitmap;
if (bitmap->pFont)
{
*pFont = bitmap->pFont;
(*pFont)->fpe = fpe;
ret = Successful;
}
else
{
ret = FontFileOpenBitmapNCF (fpe, pFont, flags, entry, format,
fmask, non_cachable_font);
if (ret == Successful && *pFont)
(*pFont)->fpe = fpe;
}
break;
case FONT_ENTRY_ALIAS:
vals.nranges = nranges;
vals.ranges = ranges;
transfer_values_to_alias(entry->name.name, entry->name.length,
entry->u.alias.resolved, aliasName, &vals);
ret = FontNameAlias;
break;
#ifdef NOTYET
case FONT_ENTRY_BC:
bc = &entry->u.bc;
entry = bc->entry;
ret = (*scalable->renderer->OpenScalable)
(fpe, pFont, flags, entry, &bc->vals, format, fmask,
non_cachable_font);
if (ret == Successful && *pFont)
(*pFont)->fpe = fpe;
break;
#endif
default:
ret = BadFontName;
}
}
else
{
ret = BadFontName;
}
if (ret != BadFontName)
{
if (ranges) xfree(ranges);
return ret;
}
/* Match XLFD patterns */
CopyISOLatin1Lowered (lowerName, name, namelen);
lowerName[namelen] = '\0';
tmpName.name = lowerName;
tmpName.length = namelen;
tmpName.ndashes = FontFileCountDashes (lowerName, namelen);
if (!FontParseXLFDName (lowerName, &vals, FONT_XLFD_REPLACE_ZERO) ||
!(tmpName.length = strlen (lowerName),
entry = FontFileFindNameInScalableDir (&dir->scalable, &tmpName,
&vals))) {
CopyISOLatin1Lowered (lowerName, name, namelen);
lowerName[namelen] = '\0';
tmpName.name = lowerName;
tmpName.length = namelen;
tmpName.ndashes = FontFileCountDashes (lowerName, namelen);
entry = FontFileFindNameInScalableDir (&dir->scalable, &tmpName, &vals);
if (entry)
{
strcpy(lowerName, entry->name.name);
tmpName.name = lowerName;
tmpName.length = entry->name.length;
tmpName.ndashes = entry->name.ndashes;
}
}
if (entry)
{
noSpecificSize = FALSE; /* TRUE breaks XLFD enhancements */
if (entry->type == FONT_ENTRY_SCALABLE &&
FontFileCompleteXLFD (&vals, &entry->u.scalable.extra->defaults))
{
scalable = &entry->u.scalable;
if ((vals.values_supplied & PIXELSIZE_MASK) == PIXELSIZE_ARRAY ||
(vals.values_supplied & POINTSIZE_MASK) == POINTSIZE_ARRAY ||
(vals.values_supplied &
~SIZE_SPECIFY_MASK & ~CHARSUBSET_SPECIFIED))
scaled = 0;
else
scaled = FontFileFindScaledInstance (entry, &vals,
noSpecificSize);
/*
* A scaled instance can occur one of two ways:
*
* Either the font has been scaled to this
* size already, in which case scaled->pFont
* will point at that font.
*
* Or a bitmap instance in this size exists,
* which is handled as if we got a pattern
* matching the bitmap font name.
*/
if (scaled)
{
if (scaled->pFont)
{
*pFont = scaled->pFont;
(*pFont)->fpe = fpe;
ret = Successful;
}
else if (scaled->bitmap)
{
entry = scaled->bitmap;
bitmap = &entry->u.bitmap;
if (bitmap->pFont)
{
*pFont = bitmap->pFont;
(*pFont)->fpe = fpe;
ret = Successful;
}
else
{
ret = FontFileOpenBitmapNCF (fpe, pFont, flags, entry,
format, fmask,
non_cachable_font);
if (ret == Successful && *pFont)
(*pFont)->fpe = fpe;
}
}
else /* "cannot" happen */
{
ret = BadFontName;
}
}
else
{
ret = FontFileMatchBitmapSource (fpe, pFont, flags, entry, &tmpName, &vals, format, fmask, noSpecificSize);
if (ret != Successful)
{
char origName[MAXFONTNAMELEN];
CopyISOLatin1Lowered (origName, name, namelen);
origName[namelen] = '\0';
/* Pass the original XLFD name in the vals
structure; the rasterizer is free to examine it
for hidden meanings. This information will not
be saved in the scaled-instances table. */
vals.xlfdName = origName;
vals.ranges = ranges;
vals.nranges = nranges;
if (strlen(dir->directory) + strlen(scalable->fileName) >=
sizeof(fileName)) {
ret = BadFontName;
} else {
strcpy (fileName, dir->directory);
strcat (fileName, scalable->fileName);
if (scalable->renderer->OpenScalable) {
ret = (*scalable->renderer->OpenScalable) (fpe, pFont,
flags, entry, fileName, &vals, format, fmask,
non_cachable_font);
}
else if (scalable->renderer->OpenBitmap) {
ret = (*scalable->renderer->OpenBitmap) (fpe, pFont,
flags, entry, fileName, format, fmask,
non_cachable_font);
}
}
/* In case rasterizer does something bad because of
charset subsetting... */
if (ret == Successful &&
((*pFont)->info.firstCol > (*pFont)->info.lastCol ||
(*pFont)->info.firstRow > (*pFont)->info.lastRow))
{
(*(*pFont)->unload_font)(*pFont);
ret = BadFontName;
}
/* Save the instance */
if (ret == Successful)
{
if (FontFileAddScaledInstance (entry, &vals,
*pFont, (char *) 0))
ranges = 0;
else
(*pFont)->fpePrivate = (pointer) 0;
(*pFont)->fpe = fpe;
}
}
}
}
}
else
ret = BadFontName;
if (ranges)
xfree(ranges);
return ret;
}
/* ARGSUSED */
void
FontFileCloseFont (FontPathElementPtr fpe, FontPtr pFont)
{
FontEntryPtr entry;
if ((entry = (FontEntryPtr) pFont->fpePrivate)) {
switch (entry->type) {
case FONT_ENTRY_SCALABLE:
FontFileRemoveScaledInstance (entry, pFont);
break;
case FONT_ENTRY_BITMAP:
entry->u.bitmap.pFont = 0;
break;
default:
/* "cannot" happen */
break;
}
pFont->fpePrivate = 0;
}
(*pFont->unload_font) (pFont);
}
static int
FontFileOpenBitmapNCF (FontPathElementPtr fpe, FontPtr *pFont,
int flags, FontEntryPtr entry,
fsBitmapFormat format, fsBitmapFormatMask fmask,
FontPtr non_cachable_font)
{
FontBitmapEntryPtr bitmap;
char fileName[MAXFONTFILENAMELEN*2+1];
int ret;
FontDirectoryPtr dir;
dir = (FontDirectoryPtr) fpe->private;
bitmap = &entry->u.bitmap;
if(!bitmap || !bitmap->renderer->OpenBitmap)
return BadFontName;
if (strlen(dir->directory) + strlen(bitmap->fileName) >= sizeof(fileName))
return BadFontName;
strcpy (fileName, dir->directory);
strcat (fileName, bitmap->fileName);
ret = (*bitmap->renderer->OpenBitmap)
(fpe, pFont, flags, entry, fileName, format, fmask,
non_cachable_font);
if (ret == Successful)
{
bitmap->pFont = *pFont;
(*pFont)->fpePrivate = (pointer) entry;
}
return ret;
}
int
FontFileOpenBitmap (FontPathElementPtr fpe, FontPtr *pFont,
int flags, FontEntryPtr entry,
fsBitmapFormat format, fsBitmapFormatMask fmask)
{
return FontFileOpenBitmapNCF (fpe, pFont, flags, entry, format, fmask,
(FontPtr)0);
}
static int
FontFileGetInfoBitmap (FontPathElementPtr fpe, FontInfoPtr pFontInfo,
FontEntryPtr entry)
{
FontBitmapEntryPtr bitmap;
char fileName[MAXFONTFILENAMELEN*2+1];
int ret;
FontDirectoryPtr dir;
dir = (FontDirectoryPtr) fpe->private;
bitmap = &entry->u.bitmap;
if (!bitmap || !bitmap->renderer->GetInfoBitmap)
return BadFontName;
if (strlen(dir->directory) + strlen(bitmap->fileName) >= sizeof(fileName))
return BadFontName;
strcpy (fileName, dir->directory);
strcat (fileName, bitmap->fileName);
ret = (*bitmap->renderer->GetInfoBitmap) (fpe, pFontInfo, entry, fileName);
return ret;
}
static void
_FontFileAddScalableNames(FontNamesPtr names, FontNamesPtr scaleNames,
FontNamePtr nameptr, char *zeroChars,
FontScalablePtr vals, fsRange *ranges,
int nranges, int *max)
{
int i;
FontScalableRec zeroVals, tmpVals;
for (i = 0; i < scaleNames->nnames; i++)
{
char nameChars[MAXFONTNAMELEN];
if (!*max)
return;
FontParseXLFDName (scaleNames->names[i], &zeroVals,
FONT_XLFD_REPLACE_NONE);
tmpVals = *vals;
if (FontFileCompleteXLFD (&tmpVals, &zeroVals))
{
--*max;
strcpy (nameChars, scaleNames->names[i]);
if ((vals->values_supplied & PIXELSIZE_MASK) ||
!(vals->values_supplied & PIXELSIZE_WILDCARD) ||
vals->y == 0)
{
tmpVals.values_supplied =
(tmpVals.values_supplied & ~PIXELSIZE_MASK) |
(vals->values_supplied & PIXELSIZE_MASK);
tmpVals.pixel_matrix[0] = vals->pixel_matrix[0];
tmpVals.pixel_matrix[1] = vals->pixel_matrix[1];
tmpVals.pixel_matrix[2] = vals->pixel_matrix[2];
tmpVals.pixel_matrix[3] = vals->pixel_matrix[3];
}
if ((vals->values_supplied & POINTSIZE_MASK) ||
!(vals->values_supplied & POINTSIZE_WILDCARD) ||
vals->y == 0)
{
tmpVals.values_supplied =
(tmpVals.values_supplied & ~POINTSIZE_MASK) |
(vals->values_supplied & POINTSIZE_MASK);
tmpVals.point_matrix[0] = vals->point_matrix[0];
tmpVals.point_matrix[1] = vals->point_matrix[1];
tmpVals.point_matrix[2] = vals->point_matrix[2];
tmpVals.point_matrix[3] = vals->point_matrix[3];
}
if (vals->width <= 0)
tmpVals.width = 0;
if (vals->x == 0)
tmpVals.x = 0;
if (vals->y == 0)
tmpVals.y = 0;
tmpVals.ranges = ranges;
tmpVals.nranges = nranges;
FontParseXLFDName (nameChars, &tmpVals,
FONT_XLFD_REPLACE_VALUE);
/* If we're marking aliases with negative lengths, we
need to concoct a valid target name to follow it.
Otherwise we're done. */
if (scaleNames->length[i] >= 0)
{
(void) AddFontNamesName (names, nameChars,
strlen (nameChars));
/* If our original pattern matches the name from
the table and that name doesn't duplicate what
we just added, add the name from the table */
if (strcmp(nameChars, scaleNames->names[i]) &&
FontFileMatchName(scaleNames->names[i],
scaleNames->length[i],
nameptr) &&
*max)
{
--*max;
(void) AddFontNamesName (names, scaleNames->names[i],
scaleNames->length[i]);
}
}
else
{
char *aliasName;
vals->ranges = ranges;
vals->nranges = nranges;
if (transfer_values_to_alias(zeroChars,
strlen(zeroChars),
scaleNames->names[++i],
&aliasName, vals))
{
(void) AddFontNamesName (names, nameChars,
strlen (nameChars));
names->length[names->nnames - 1] =
-names->length[names->nnames - 1];
(void) AddFontNamesName (names, aliasName,
strlen (aliasName));
/* If our original pattern matches the name from
the table and that name doesn't duplicate what
we just added, add the name from the table */
if (strcmp(nameChars, scaleNames->names[i - 1]) &&
FontFileMatchName(scaleNames->names[i - 1],
-scaleNames->length[i - 1],
nameptr) &&
*max)
{
--*max;
(void) AddFontNamesName (names,
scaleNames->names[i - 1],
-scaleNames->length[i - 1]);
names->length[names->nnames - 1] =
-names->length[names->nnames - 1];
(void) AddFontNamesName (names, aliasName,
strlen (aliasName));
}
}
}
}
}
}
/* ARGSUSED */
static int
_FontFileListFonts (pointer client, FontPathElementPtr fpe,
char *pat, int len, int max, FontNamesPtr names,
int mark_aliases)
{
FontDirectoryPtr dir;
char lowerChars[MAXFONTNAMELEN], zeroChars[MAXFONTNAMELEN];
FontNameRec lowerName;
FontNameRec zeroName;
FontNamesPtr scaleNames;
FontScalableRec vals;
fsRange *ranges;
int nranges;
int result = BadFontName;
if (len >= MAXFONTNAMELEN)
return AllocError;
dir = (FontDirectoryPtr) fpe->private;
CopyISOLatin1Lowered (lowerChars, pat, len);
lowerChars[len] = '\0';
lowerName.name = lowerChars;
lowerName.length = len;
lowerName.ndashes = FontFileCountDashes (lowerChars, len);
/* Match XLFD patterns */
strcpy (zeroChars, lowerChars);
if (lowerName.ndashes == 14 &&
FontParseXLFDName (zeroChars, &vals, FONT_XLFD_REPLACE_ZERO))
{
ranges = FontParseRanges(lowerChars, &nranges);
result = FontFileFindNamesInScalableDir (&dir->nonScalable,
&lowerName, max, names,
(FontScalablePtr)0,
(mark_aliases ?
LIST_ALIASES_AND_TARGET_NAMES :
NORMAL_ALIAS_BEHAVIOR) |
IGNORE_SCALABLE_ALIASES,
&max);
zeroName.name = zeroChars;
zeroName.length = strlen (zeroChars);
zeroName.ndashes = lowerName.ndashes;
/* Look for scalable names and aliases, adding scaled instances of
them to the output */
/* Scalable names... */
scaleNames = MakeFontNamesRecord (0);
if (!scaleNames)
{
if (ranges) xfree(ranges);
return AllocError;
}
FontFileFindNamesInScalableDir (&dir->scalable, &zeroName, max,
scaleNames, &vals,
mark_aliases ?
LIST_ALIASES_AND_TARGET_NAMES :
NORMAL_ALIAS_BEHAVIOR, (int *)0);
_FontFileAddScalableNames(names, scaleNames, &lowerName,
zeroChars, &vals, ranges, nranges,
&max);
FreeFontNames (scaleNames);
/* Scalable aliases... */
scaleNames = MakeFontNamesRecord (0);
if (!scaleNames)
{
if (ranges) xfree(ranges);
return AllocError;
}
FontFileFindNamesInScalableDir (&dir->nonScalable, &zeroName,
max, scaleNames, &vals,
mark_aliases ?
LIST_ALIASES_AND_TARGET_NAMES :
NORMAL_ALIAS_BEHAVIOR, (int *)0);
_FontFileAddScalableNames(names, scaleNames, &lowerName,
zeroChars, &vals, ranges, nranges,
&max);
FreeFontNames (scaleNames);
if (ranges) xfree(ranges);
}
else
{
result = FontFileFindNamesInScalableDir (&dir->nonScalable,
&lowerName, max, names,
(FontScalablePtr)0,
mark_aliases ?
LIST_ALIASES_AND_TARGET_NAMES :
NORMAL_ALIAS_BEHAVIOR,
&max);
if (result == Successful)
result = FontFileFindNamesInScalableDir (&dir->scalable,
&lowerName, max, names,
(FontScalablePtr)0,
mark_aliases ?
LIST_ALIASES_AND_TARGET_NAMES :
NORMAL_ALIAS_BEHAVIOR, (int *)0);
}
return result;
}
typedef struct _LFWIData {
FontNamesPtr names;
int current;
} LFWIDataRec, *LFWIDataPtr;
int
FontFileListFonts (pointer client, FontPathElementPtr fpe, char *pat,
int len, int max, FontNamesPtr names)
{
return _FontFileListFonts (client, fpe, pat, len, max, names, 0);
}
int
FontFileStartListFonts(pointer client, FontPathElementPtr fpe,
char *pat, int len, int max,
pointer *privatep, int mark_aliases)
{
LFWIDataPtr data;
int ret;
data = (LFWIDataPtr) xalloc (sizeof *data);
if (!data)
return AllocError;
data->names = MakeFontNamesRecord (0);
if (!data->names)
{
xfree (data);
return AllocError;
}
ret = _FontFileListFonts (client, fpe, pat, len,
max, data->names, mark_aliases);
if (ret != Successful)
{
FreeFontNames (data->names);
xfree (data);
return ret;
}
data->current = 0;
*privatep = (pointer) data;
return Successful;
}
int
FontFileStartListFontsWithInfo(pointer client, FontPathElementPtr fpe,
char *pat, int len, int max,
pointer *privatep)
{
return FontFileStartListFonts(client, fpe, pat, len, max, privatep, 0);
}
/* ARGSUSED */
static int
FontFileListOneFontWithInfo (pointer client, FontPathElementPtr fpe,
char **namep, int *namelenp,
FontInfoPtr *pFontInfo)
{
FontDirectoryPtr dir;
char lowerName[MAXFONTNAMELEN];
char fileName[MAXFONTFILENAMELEN*2 + 1];
FontNameRec tmpName;
FontEntryPtr entry;
FontScalableRec vals;
FontScalableEntryPtr scalable;
FontScaledPtr scaled;
FontBitmapEntryPtr bitmap;
int ret;
Bool noSpecificSize;
int nranges;
fsRange *ranges;
char *name = *namep;
int namelen = *namelenp;
if (namelen >= MAXFONTNAMELEN)
return AllocError;
dir = (FontDirectoryPtr) fpe->private;
/* Match non-scalable pattern */
CopyISOLatin1Lowered (lowerName, name, namelen);
lowerName[namelen] = '\0';
ranges = FontParseRanges(lowerName, &nranges);
tmpName.name = lowerName;
tmpName.length = namelen;
tmpName.ndashes = FontFileCountDashes (lowerName, namelen);
if (!FontParseXLFDName(lowerName, &vals, FONT_XLFD_REPLACE_NONE))
bzero(&vals, sizeof(vals));
if (!(entry = FontFileFindNameInDir (&dir->nonScalable, &tmpName)) &&
tmpName.ndashes == 14 &&
FontParseXLFDName (lowerName, &vals, FONT_XLFD_REPLACE_ZERO))
{
tmpName.length = strlen(lowerName);
entry = FontFileFindNameInDir (&dir->nonScalable, &tmpName);
}
if (entry)
{
switch (entry->type) {
case FONT_ENTRY_BITMAP:
bitmap = &entry->u.bitmap;
if (bitmap->pFont)
{
*pFontInfo = &bitmap->pFont->info;
ret = Successful;
}
else
{
ret = FontFileGetInfoBitmap (fpe, *pFontInfo, entry);
}
break;
case FONT_ENTRY_ALIAS:
vals.nranges = nranges;
vals.ranges = ranges;
transfer_values_to_alias(entry->name.name, entry->name.length,
entry->u.alias.resolved, namep, &vals);
*namelenp = strlen (*namep);
ret = FontNameAlias;
break;
#ifdef NOTYET
case FONT_ENTRY_BC:
/* no LFWI for this yet */
bc = &entry->u.bc;
entry = bc->entry;
/* Make a new scaled instance */
if (strlen(dir->directory) + strlen(scalable->fileName) >=
sizeof(fileName)) {
ret = BadFontName;
} else {
strcpy (fileName, dir->directory);
strcat (fileName, scalable->fileName);
ret = (*scalable->renderer->GetInfoScalable)
(fpe, *pFontInfo, entry, tmpName, fileName, &bc->vals);
}
break;
#endif
default:
ret = BadFontName;
}
}
else
{
ret = BadFontName;
}
if (ret != BadFontName)
{
if (ranges) xfree(ranges);
return ret;
}
/* Match XLFD patterns */
CopyISOLatin1Lowered (lowerName, name, namelen);
lowerName[namelen] = '\0';
tmpName.name = lowerName;
tmpName.length = namelen;
tmpName.ndashes = FontFileCountDashes (lowerName, namelen);
if (!FontParseXLFDName (lowerName, &vals, FONT_XLFD_REPLACE_ZERO) ||
!(tmpName.length = strlen (lowerName),
entry = FontFileFindNameInScalableDir (&dir->scalable, &tmpName,
&vals))) {
CopyISOLatin1Lowered (lowerName, name, namelen);
lowerName[namelen] = '\0';
tmpName.name = lowerName;
tmpName.length = namelen;
tmpName.ndashes = FontFileCountDashes (lowerName, namelen);
entry = FontFileFindNameInScalableDir (&dir->scalable, &tmpName, &vals);
if (entry)
{
strcpy(lowerName, entry->name.name);
tmpName.name = lowerName;
tmpName.length = entry->name.length;
tmpName.ndashes = entry->name.ndashes;
}
}
if (entry)
{
noSpecificSize = FALSE; /* TRUE breaks XLFD enhancements */
if (entry && entry->type == FONT_ENTRY_SCALABLE &&
FontFileCompleteXLFD (&vals, &entry->u.scalable.extra->defaults))
{
scalable = &entry->u.scalable;
scaled = FontFileFindScaledInstance (entry, &vals, noSpecificSize);
/*
* A scaled instance can occur one of two ways:
*
* Either the font has been scaled to this
* size already, in which case scaled->pFont
* will point at that font.
*
* Or a bitmap instance in this size exists,
* which is handled as if we got a pattern
* matching the bitmap font name.
*/
if (scaled)
{
if (scaled->pFont)
{
*pFontInfo = &scaled->pFont->info;
ret = Successful;
}
else if (scaled->bitmap)
{
entry = scaled->bitmap;
bitmap = &entry->u.bitmap;
if (bitmap->pFont)
{
*pFontInfo = &bitmap->pFont->info;
ret = Successful;
}
else
{
ret = FontFileGetInfoBitmap (fpe, *pFontInfo, entry);
}
}
else /* "cannot" happen */
{
ret = BadFontName;
}
}
else
{
#ifdef NOTDEF
/* no special case yet */
ret = FontFileMatchBitmapSource (fpe, pFont, flags, entry, &vals, format, fmask, noSpecificSize);
if (ret != Successful)
#endif
{
char origName[MAXFONTNAMELEN];
CopyISOLatin1Lowered (origName, name, namelen);
origName[namelen] = '\0';
vals.xlfdName = origName;
vals.ranges = ranges;
vals.nranges = nranges;
/* Make a new scaled instance */
if (strlen(dir->directory) + strlen(scalable->fileName) >=
sizeof(fileName)) {
ret = BadFontName;
} else {
strcpy (fileName, dir->directory);
strcat (fileName, scalable->fileName);
if (scalable->renderer->GetInfoScalable)
ret = (*scalable->renderer->GetInfoScalable)
(fpe, *pFontInfo, entry, &tmpName, fileName,
&vals);
else if (scalable->renderer->GetInfoBitmap)
ret = (*scalable->renderer->GetInfoBitmap)
(fpe, *pFontInfo, entry, fileName);
}
if (ranges) {
xfree(ranges);
ranges = NULL;
}
}
}
if (ret == Successful) return ret;
}
CopyISOLatin1Lowered (lowerName, name, namelen);
tmpName.length = namelen;
}
else
ret = BadFontName;
if (ranges)
xfree(ranges);
return ret;
}
int
FontFileListNextFontWithInfo(pointer client, FontPathElementPtr fpe,
char **namep, int *namelenp,
FontInfoPtr *pFontInfo,
int *numFonts, pointer private)
{
LFWIDataPtr data = (LFWIDataPtr) private;
int ret;
char *name;
int namelen;
if (data->current == data->names->nnames)
{
FreeFontNames (data->names);
xfree (data);
return BadFontName;
}
name = data->names->names[data->current];
namelen = data->names->length[data->current];
ret = FontFileListOneFontWithInfo (client, fpe, &name, &namelen, pFontInfo);
if (ret == BadFontName)
ret = AllocError;
*namep = name;
*namelenp = namelen;
++data->current;
*numFonts = data->names->nnames - data->current;
return ret;
}
int
FontFileStartListFontsAndAliases(pointer client, FontPathElementPtr fpe,
char *pat, int len, int max,
pointer *privatep)
{
return FontFileStartListFonts(client, fpe, pat, len, max, privatep, 1);
}
int
FontFileListNextFontOrAlias(pointer client, FontPathElementPtr fpe,
char **namep, int *namelenp, char **resolvedp,
int *resolvedlenp, pointer private)
{
LFWIDataPtr data = (LFWIDataPtr) private;
int ret;
char *name;
int namelen;
if (data->current == data->names->nnames)
{
FreeFontNames (data->names);
xfree (data);
return BadFontName;
}
name = data->names->names[data->current];
namelen = data->names->length[data->current];
/* If this is a real font name... */
if (namelen >= 0)
{
*namep = name;
*namelenp = namelen;
ret = Successful;
}
/* Else if an alias */
else
{
/* Tell the caller that this is an alias... let him resolve it to
see if it's valid */
*namep = name;
*namelenp = -namelen;
*resolvedp = data->names->names[++data->current];
*resolvedlenp = data->names->length[data->current];
ret = FontNameAlias;
}
++data->current;
return ret;
}
void
FontFileRegisterLocalFpeFunctions (void)
{
RegisterFPEFunctions(FontFileNameCheck,
FontFileInitFPE,
FontFileFreeFPE,
FontFileResetFPE,
FontFileOpenFont,
FontFileCloseFont,
FontFileListFonts,
FontFileStartListFontsWithInfo,
FontFileListNextFontWithInfo,
NULL,
NULL,
NULL,
FontFileStartListFontsAndAliases,
FontFileListNextFontOrAlias,
FontFileEmptyBitmapSource);
}
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