fontconfig/src/fcfreetype.c

236 lines
6.5 KiB
C
Raw Normal View History

2002-02-15 00:34:13 +01:00
/*
* $XFree86: $
*
* Copyright <EFBFBD> 2001 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 <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "fcint.h"
#include <freetype/freetype.h>
#include <freetype/internal/ftobjs.h>
#include <freetype/tttables.h>
static const struct {
int bit;
FcChar8 *name;
2002-02-15 00:34:13 +01:00
} FcCodePageRange[] = {
{ 0, (FcChar8 *) FC_LANG_LATIN_1 },
{ 1, (FcChar8 *) FC_LANG_LATIN_2_EASTERN_EUROPE },
{ 2, (FcChar8 *) FC_LANG_CYRILLIC },
{ 3, (FcChar8 *) FC_LANG_GREEK },
{ 4, (FcChar8 *) FC_LANG_TURKISH },
{ 5, (FcChar8 *) FC_LANG_HEBREW },
{ 6, (FcChar8 *) FC_LANG_ARABIC },
{ 7, (FcChar8 *) FC_LANG_WINDOWS_BALTIC },
{ 8, (FcChar8 *) FC_LANG_VIETNAMESE },
2002-02-15 00:34:13 +01:00
/* 9-15 reserved for Alternate ANSI */
{ 16, (FcChar8 *) FC_LANG_THAI },
{ 17, (FcChar8 *) FC_LANG_JAPANESE },
{ 18, (FcChar8 *) FC_LANG_SIMPLIFIED_CHINESE },
{ 19, (FcChar8 *) FC_LANG_KOREAN_WANSUNG },
{ 20, (FcChar8 *) FC_LANG_TRADITIONAL_CHINESE },
{ 21, (FcChar8 *) FC_LANG_KOREAN_JOHAB },
2002-02-15 00:34:13 +01:00
/* 22-28 reserved for Alternate ANSI & OEM */
{ 29, (FcChar8 *) FC_LANG_MACINTOSH },
{ 30, (FcChar8 *) FC_LANG_OEM },
{ 31, (FcChar8 *) FC_LANG_SYMBOL },
2002-02-15 00:34:13 +01:00
/* 32-47 reserved for OEM */
{ 48, (FcChar8 *) FC_LANG_IBM_GREEK },
{ 49, (FcChar8 *) FC_LANG_MSDOS_RUSSIAN },
{ 50, (FcChar8 *) FC_LANG_MSDOS_NORDIC },
{ 51, (FcChar8 *) FC_LANG_ARABIC_864 },
{ 52, (FcChar8 *) FC_LANG_MSDOS_CANADIAN_FRENCH },
{ 53, (FcChar8 *) FC_LANG_HEBREW_862 },
{ 54, (FcChar8 *) FC_LANG_MSDOS_ICELANDIC },
{ 55, (FcChar8 *) FC_LANG_MSDOS_PORTUGUESE },
{ 56, (FcChar8 *) FC_LANG_IBM_TURKISH },
{ 57, (FcChar8 *) FC_LANG_IBM_CYRILLIC },
{ 58, (FcChar8 *) FC_LANG_LATIN_2 },
{ 59, (FcChar8 *) FC_LANG_MSDOS_BALTIC },
{ 60, (FcChar8 *) FC_LANG_GREEK_437_G },
{ 61, (FcChar8 *) FC_LANG_ARABIC_ASMO_708 },
{ 62, (FcChar8 *) FC_LANG_WE_LATIN_1 },
{ 63, (FcChar8 *) FC_LANG_US },
2002-02-15 00:34:13 +01:00
};
#define NUM_CODE_PAGE_RANGE (sizeof FcCodePageRange / sizeof FcCodePageRange[0])
FcPattern *
FcFreeTypeQuery (const FcChar8 *file,
int id,
FcBlanks *blanks,
int *count)
2002-02-15 00:34:13 +01:00
{
FT_Face face;
FcPattern *pat;
int slant;
int weight;
int i;
FcCharSet *cs;
FT_Library ftLibrary;
const FcChar8 *family;
TT_OS2 *os2;
2002-02-15 00:34:13 +01:00
if (FT_Init_FreeType (&ftLibrary))
return 0;
if (FT_New_Face (ftLibrary, (char *) file, id, &face))
2002-02-15 00:34:13 +01:00
goto bail;
*count = face->num_faces;
pat = FcPatternCreate ();
if (!pat)
goto bail0;
if (!FcPatternAddBool (pat, FC_OUTLINE,
(face->face_flags & FT_FACE_FLAG_SCALABLE) != 0))
goto bail1;
if (!FcPatternAddBool (pat, FC_SCALABLE,
(face->face_flags & FT_FACE_FLAG_SCALABLE) != 0))
goto bail1;
slant = FC_SLANT_ROMAN;
if (face->style_flags & FT_STYLE_FLAG_ITALIC)
slant = FC_SLANT_ITALIC;
if (!FcPatternAddInteger (pat, FC_SLANT, slant))
goto bail1;
weight = FC_WEIGHT_MEDIUM;
if (face->style_flags & FT_STYLE_FLAG_BOLD)
weight = FC_WEIGHT_BOLD;
if (!FcPatternAddInteger (pat, FC_WEIGHT, weight))
goto bail1;
family = (FcChar8 *) face->family_name;
2002-02-15 00:34:13 +01:00
if (!family)
{
family = (FcChar8 *) strrchr ((char *) file, '/');
2002-02-15 00:34:13 +01:00
if (family)
family++;
else
family = file;
}
if (!FcPatternAddString (pat, FC_FAMILY, family))
goto bail1;
if (face->style_name)
{
if (!FcPatternAddString (pat, FC_STYLE, (FcChar8 *) face->style_name))
2002-02-15 00:34:13 +01:00
goto bail1;
}
if (!FcPatternAddString (pat, FC_FILE, file))
goto bail1;
if (!FcPatternAddInteger (pat, FC_INDEX, id))
goto bail1;
if (!FcPatternAddString (pat, FC_SOURCE, (FcChar8 *) "FreeType"))
2002-02-15 00:34:13 +01:00
goto bail1;
#if 1
2002-02-15 00:34:13 +01:00
if ((face->face_flags & FT_FACE_FLAG_FIXED_WIDTH) != 0)
if (!FcPatternAddInteger (pat, FC_SPACING, FC_MONO))
goto bail1;
#endif
cs = FcFreeTypeCharSet (face, blanks);
if (!cs)
goto bail1;
/*
* Skip over PCF fonts that have no encoded characters; they're
* usually just Unicode fonts transcoded to some legacy encoding
*/
if (FcCharSetCount (cs) == 0)
{
if (!strcmp(FT_MODULE_CLASS(&face->driver->root)->module_name, "pcf"))
goto bail2;
}
if (!FcPatternAddCharSet (pat, FC_CHARSET, cs))
goto bail2;
/*
* Drop our reference to the charset
*/
FcCharSetDestroy (cs);
if (!(face->face_flags & FT_FACE_FLAG_SCALABLE))
{
for (i = 0; i < face->num_fixed_sizes; i++)
if (!FcPatternAddDouble (pat, FC_PIXEL_SIZE,
(double) face->available_sizes[i].height))
goto bail1;
if (!FcPatternAddBool (pat, FC_ANTIALIAS, FcFalse))
goto bail1;
}
/*
* Get the OS/2 table and poke about
*/
os2 = (TT_OS2 *) FT_Get_Sfnt_Table (face, ft_sfnt_os2);
if (os2 && os2->version >= 0x0001 && os2->version != 0xffff)
{
for (i = 0; i < NUM_CODE_PAGE_RANGE; i++)
{
FT_ULong bits;
int bit;
if (FcCodePageRange[i].bit < 32)
{
bits = os2->ulCodePageRange1;
bit = FcCodePageRange[i].bit;
}
else
{
bits = os2->ulCodePageRange2;
bit = FcCodePageRange[i].bit - 32;
}
if (bits & (1 << bit))
{
if (!FcPatternAddString (pat, FC_LANG,
FcCodePageRange[i].name))
goto bail1;
}
}
}
FT_Done_Face (face);
FT_Done_FreeType (ftLibrary);
return pat;
bail2:
FcCharSetDestroy (cs);
bail1:
FcPatternDestroy (pat);
bail0:
FT_Done_Face (face);
bail:
FT_Done_FreeType (ftLibrary);
return 0;
}