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/*
* $XFree86: xc/lib/Xft/xftfont.c,v 1.8 2000/12/20 00:20:48 keithp Exp $
*
* Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
*
* 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, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include "xftint.h"
XftPattern *
XftFontMatch (Display *dpy, int screen, XftPattern *pattern, XftResult *result)
{
XftPattern *new;
XftPattern *match;
XftFontSet *sets[2];
int nsets;
#ifdef FREETYPE2
Bool render, core;
#endif
if (!XftInit (0))
return 0;
new = XftPatternDuplicate (pattern);
if (!new)
return 0;
if (_XftFontDebug () & XFT_DBG_OPENV)
{
printf ("XftFontMatch pattern ");
XftPatternPrint (new);
}
XftConfigSubstitute (new);
if (_XftFontDebug () & XFT_DBG_OPENV)
{
printf ("XftFontMatch after XftConfig substitutions ");
XftPatternPrint (new);
}
XftDefaultSubstitute (dpy, screen, new);
if (_XftFontDebug () & XFT_DBG_OPENV)
{
printf ("XftFontMatch after X resource substitutions ");
XftPatternPrint (new);
}
nsets = 0;
#ifdef FREETYPE2
render = False;
core = True;
(void) XftPatternGetBool (new, XFT_RENDER, 0, &render);
(void) XftPatternGetBool (new, XFT_CORE, 0, &core);
if (_XftFontDebug () & XFT_DBG_OPENV)
{
printf ("XftFontMatch: use core fonts \"%s\", use render fonts \"%s\"\n",
core ? "True" : "False", render ? "True" : "False");
}
if (render)
{
if (XftInitFtLibrary())
{
sets[nsets] = _XftFontSet;
if (sets[nsets])
nsets++;
}
}
if (core)
#endif
{
sets[nsets] = XftDisplayGetFontSet (dpy);
if (sets[nsets])
nsets++;
}
match = XftFontSetMatch (sets, nsets, new, result);
XftPatternDestroy (new);
return match;
}
XftFont *
XftFontOpenPattern (Display *dpy, XftPattern *pattern)
{
Bool core = True;
XFontStruct *xfs = 0;
XftFont *font;
#ifdef FREETYPE2
XftFontStruct *fs = 0;
if (XftPatternGetBool (pattern, XFT_CORE, 0, &core) != XftResultMatch)
return 0;
if (core)
#endif
{
xfs = XftCoreOpen (dpy, pattern);
if (!xfs) return 0;
}
#ifdef FREETYPE2
else
{
fs = XftFreeTypeOpen (dpy, pattern);
if (!fs) return 0;
}
#endif
font = (XftFont *) malloc (sizeof (XftFont));
font->core = core;
font->pattern = pattern;
#ifdef FREETYPE2
if (core)
#endif
{
font->u.core.font = xfs;
font->ascent = xfs->ascent;
font->descent = xfs->descent;
font->height = xfs->ascent + xfs->descent;
font->max_advance_width = xfs->max_bounds.width;
}
#ifdef FREETYPE2
else
{
font->u.ft.font = fs;
font->ascent = fs->ascent;
font->descent = fs->descent;
font->height = fs->height;
font->max_advance_width = fs->max_advance_width;
}
#endif
return font;
}
int
_XftFontDebug (void)
{
static int initialized;
static int debug;
if (!initialized)
{
char *e;
initialized = 1;
e = getenv ("XFT_DEBUG");
if (e)
{
printf ("XFT_DEBUG=%s\n", e);
debug = atoi (e);
if (debug <= 0)
debug = 1;
}
}
return debug;
}
XftFont *
XftFontOpen (Display *dpy, int screen, ...)
{
va_list va;
XftPattern *pat;
XftPattern *match;
XftResult result;
XftFont *font;
va_start (va, screen);
pat = XftPatternVaBuild (0, va);
va_end (va);
if (!pat)
{
if (_XftFontDebug () & XFT_DBG_OPEN)
printf ("XftFontOpen: Invalid pattern argument\n");
return 0;
}
match = XftFontMatch (dpy, screen, pat, &result);
if (_XftFontDebug () & XFT_DBG_OPEN)
{
printf ("Pattern ");
XftPatternPrint (pat);
if (match)
{
printf ("Match ");
XftPatternPrint (match);
}
else
printf ("No Match\n");
}
XftPatternDestroy (pat);
if (!match)
return 0;
font = XftFontOpenPattern (dpy, match);
if (!font)
{
if (_XftFontDebug () & XFT_DBG_OPEN)
printf ("No Font\n");
XftPatternDestroy (match);
}
return font;
}
XftFont *
XftFontOpenName (Display *dpy, int screen, const char *name)
{
XftPattern *pat;
XftPattern *match;
XftResult result;
XftFont *font;
pat = XftNameParse (name);
if (_XftFontDebug () & XFT_DBG_OPEN)
{
printf ("XftFontOpenName \"%s\": ", name);
if (pat)
XftPatternPrint (pat);
else
printf ("Invalid name\n");
}
if (!pat)
return 0;
match = XftFontMatch (dpy, screen, pat, &result);
if (_XftFontDebug () & XFT_DBG_OPEN)
{
if (match)
{
printf ("Match ");
XftPatternPrint (match);
}
else
printf ("No Match\n");
}
XftPatternDestroy (pat);
if (!match)
return 0;
font = XftFontOpenPattern (dpy, match);
if (!font)
XftPatternDestroy (match);
return font;
}
XftFont *
XftFontOpenXlfd (Display *dpy, int screen, const char *xlfd)
{
XftPattern *pat;
XftPattern *match;
XftResult result;
XftFont *font;
pat = XftXlfdParse (xlfd, False, False);
if (_XftFontDebug () & XFT_DBG_OPEN)
{
printf ("XftFontOpenXlfd \"%s\": ", xlfd);
if (pat)
printf ("Invalid xlfd\n");
else
XftPatternPrint (pat);
}
if (!pat)
return 0;
match = XftFontMatch (dpy, screen, pat, &result);
if (_XftFontDebug () & XFT_DBG_OPEN)
{
if (match)
{
printf ("Match ");
XftPatternPrint (match);
}
else
printf ("No Match\n");
}
XftPatternDestroy (pat);
if (!match)
return 0;
font = XftFontOpenPattern (dpy, match);
if (!font)
XftPatternDestroy (match);
return font;
}
void
XftFontClose (Display *dpy, XftFont *font)
{
if (font->core)
XftCoreClose (dpy, font->u.core.font);
#ifdef FREETYPE2
else
XftFreeTypeClose (dpy, font->u.ft.font);
#endif
if (font->pattern)
XftPatternDestroy (font->pattern);
free (font);
}
Bool
XftGlyphExists (Display *dpy, XftFont *font, XftChar32 glyph)
{
if (font->core)
return XftCoreGlyphExists (dpy, font->u.core.font, glyph);
else
#ifdef FREETYPE2
return XftFreeTypeGlyphExists (dpy, font->u.ft.font, glyph);
#else
return False;
#endif
}
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