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/*
* fontconfig/src/fcdefault.c
*
* Copyright © 2001 Keith Packard
*
* 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 the author(s) not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. The authors make no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE AUTHOR(S) 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 "fcint.h"
#include <locale.h>
static const struct {
FcObject field;
FcBool value;
} FcBoolDefaults[] = {
{ FC_HINTING_OBJECT, FcTrue }, /* !FT_LOAD_NO_HINTING */
{ FC_VERTICAL_LAYOUT_OBJECT, FcFalse }, /* FC_LOAD_VERTICAL_LAYOUT */
{ FC_AUTOHINT_OBJECT, FcFalse }, /* FC_LOAD_FORCE_AUTOHINT */
{ FC_GLOBAL_ADVANCE_OBJECT, FcTrue }, /* !FC_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH */
{ FC_EMBEDDED_BITMAP_OBJECT, FcTrue }, /* !FC_LOAD_NO_BITMAP */
{ FC_DECORATIVE_OBJECT, FcFalse },
};
#define NUM_FC_BOOL_DEFAULTS (int) (sizeof FcBoolDefaults / sizeof FcBoolDefaults[0])
FcChar8 *
FcGetDefaultLang (void)
{
static char lang_local [128] = {0};
char *ctype;
char *territory;
char *after;
int lang_len, territory_len;
if (lang_local [0])
return (FcChar8 *) lang_local;
ctype = setlocale (LC_CTYPE, NULL);
/*
* Check if setlocale (LC_ALL, "") has been called
*/
if (!ctype || !strcmp (ctype, "C"))
{
ctype = getenv ("LC_ALL");
if (!ctype)
{
ctype = getenv ("LC_CTYPE");
if (!ctype)
ctype = getenv ("LANG");
}
}
/* ignore missing or empty ctype */
if (ctype && *ctype != '\0')
{
territory = strchr (ctype, '_');
if (territory)
{
lang_len = territory - ctype;
territory = territory + 1;
after = strchr (territory, '.');
if (!after)
{
after = strchr (territory, '@');
if (!after)
after = territory + strlen (territory);
}
territory_len = after - territory;
if (lang_len + 1 + territory_len + 1 <= (int) sizeof (lang_local))
{
strncpy (lang_local, ctype, lang_len);
lang_local[lang_len] = '-';
strncpy (lang_local + lang_len + 1, territory, territory_len);
lang_local[lang_len + 1 + territory_len] = '\0';
}
}
else
{
after = strchr (ctype, '.');
if (!after)
{
after = strchr (ctype, '@');
if (!after)
after = ctype + strlen (ctype);
}
lang_len = after - ctype;
if (lang_len + 1 <= (int) sizeof (lang_local))
{
strncpy (lang_local, ctype, lang_len);
lang_local[lang_len] = '\0';
}
}
}
/* set default lang to en */
if (!lang_local [0])
strcpy (lang_local, "en");
return (FcChar8 *) lang_local;
}
void
FcDefaultSubstitute (FcPattern *pattern)
{
FcValue v;
int i;
if (FcPatternObjectGet (pattern, FC_WEIGHT_OBJECT, 0, &v) == FcResultNoMatch )
FcPatternObjectAddInteger (pattern, FC_WEIGHT_OBJECT, FC_WEIGHT_MEDIUM);
if (FcPatternObjectGet (pattern, FC_SLANT_OBJECT, 0, &v) == FcResultNoMatch)
FcPatternObjectAddInteger (pattern, FC_SLANT_OBJECT, FC_SLANT_ROMAN);
if (FcPatternObjectGet (pattern, FC_WIDTH_OBJECT, 0, &v) == FcResultNoMatch)
FcPatternObjectAddInteger (pattern, FC_WIDTH_OBJECT, FC_WIDTH_NORMAL);
for (i = 0; i < NUM_FC_BOOL_DEFAULTS; i++)
if (FcPatternObjectGet (pattern, FcBoolDefaults[i].field, 0, &v) == FcResultNoMatch)
FcPatternObjectAddBool (pattern, FcBoolDefaults[i].field, FcBoolDefaults[i].value);
if (FcPatternObjectGet (pattern, FC_PIXEL_SIZE_OBJECT, 0, &v) == FcResultNoMatch)
{
double dpi, size, scale;
if (FcPatternObjectGetDouble (pattern, FC_SIZE_OBJECT, 0, &size) != FcResultMatch)
{
size = 12.0;
(void) FcPatternObjectDel (pattern, FC_SIZE_OBJECT);
FcPatternObjectAddDouble (pattern, FC_SIZE_OBJECT, size);
}
if (FcPatternObjectGetDouble (pattern, FC_SCALE_OBJECT, 0, &scale) != FcResultMatch)
{
scale = 1.0;
(void) FcPatternObjectDel (pattern, FC_SCALE_OBJECT);
FcPatternObjectAddDouble (pattern, FC_SCALE_OBJECT, scale);
}
size *= scale;
if (FcPatternObjectGetDouble (pattern, FC_DPI_OBJECT, 0, &dpi) != FcResultMatch)
{
dpi = 75.0;
(void) FcPatternObjectDel (pattern, FC_DPI_OBJECT);
FcPatternObjectAddDouble (pattern, FC_DPI_OBJECT, dpi);
}
size *= dpi / 72.0;
FcPatternObjectAddDouble (pattern, FC_PIXEL_SIZE_OBJECT, size);
}
if (FcPatternObjectGet (pattern, FC_LANG_OBJECT, 0, &v) == FcResultNoMatch)
{
FcPatternObjectAddString (pattern, FC_LANG_OBJECT, FcGetDefaultLang ());
}
if (FcPatternObjectGet (pattern, FC_FONTVERSION_OBJECT, 0, &v) == FcResultNoMatch)
{
FcPatternObjectAddInteger (pattern, FC_FONTVERSION_OBJECT, 0x7fffffff);
}
if (FcPatternObjectGet (pattern, FC_HINT_STYLE_OBJECT, 0, &v) == FcResultNoMatch)
{
FcPatternObjectAddInteger (pattern, FC_HINT_STYLE_OBJECT, FC_HINT_FULL);
}
}
#define __fcdefault__
#include "fcaliastail.h"
#undef __fcdefault__
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