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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 <string.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])
FcStrSet *
FcGetDefaultLangs (void)
{
FcStrSet *result = FcStrSetCreate ();
char *langs;
langs = getenv ("FC_LANG");
if (!langs || !langs[0])
langs = getenv ("LC_ALL");
if (!langs || !langs[0])
langs = getenv ("LC_CTYPE");
if (!langs || !langs[0])
langs = getenv ("LANG");
if (langs && langs[0])
{
if (!FcStrSetAddLangs (result, langs))
FcStrSetAdd (result, (const FcChar8 *) "en");
}
else
FcStrSetAdd (result, (const FcChar8 *) "en");
return result;
}
FcChar8 *
FcGetDefaultLang (void)
{
static FcChar8 lang_local[128] = {0};
FcStrSet *langs;
if (!lang_local[0])
{
langs = FcGetDefaultLangs ();
strncpy ((char *)lang_local, (const char *)langs->strs[0], 127);
lang_local[127] = 0;
FcStrSetDestroy (langs);
}
return lang_local;
}
void
FcDefaultSubstitute (FcPattern *pattern)
{
FcValue v, namelang, v2;
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_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);
}
if (FcPatternObjectGet (pattern, FC_NAMELANG_OBJECT, 0, &v) == FcResultNoMatch)
{
FcPatternObjectAddString (pattern, FC_NAMELANG_OBJECT, FcGetDefaultLang ());
}
/* shouldn't be failed. */
FcPatternObjectGet (pattern, FC_NAMELANG_OBJECT, 0, &namelang);
/* Add a fallback to ensure the english name when the requested language
* isn't available. this would helps for the fonts that have non-English
* name at the beginning.
*/
/* Set "en-us" instead of "en" to avoid giving higher score to "en".
* This is a hack for the case that the orth is not like ll-cc, because,
* if no namelang isn't explicitly set, it will has something like ll-cc
* according to current locale. which may causes FcLangDifferentTerritory
* at FcLangCompare(). thus, the English name is selected so that
* exact matched "en" has higher score than ll-cc.
*/
v2.type = FcTypeString;
v2.u.s = FcSharedStr ((FcChar8 *)"en-us");
if (FcPatternObjectGet (pattern, FC_FAMILYLANG_OBJECT, 0, &v) == FcResultNoMatch)
{
FcPatternObjectAdd (pattern, FC_FAMILYLANG_OBJECT, namelang, FcTrue);
FcPatternObjectAddWithBinding (pattern, FC_FAMILYLANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
}
if (FcPatternObjectGet (pattern, FC_STYLELANG_OBJECT, 0, &v) == FcResultNoMatch)
{
FcPatternObjectAdd (pattern, FC_STYLELANG_OBJECT, namelang, FcTrue);
FcPatternObjectAddWithBinding (pattern, FC_STYLELANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
}
if (FcPatternObjectGet (pattern, FC_FULLNAMELANG_OBJECT, 0, &v) == FcResultNoMatch)
{
FcPatternObjectAdd (pattern, FC_FULLNAMELANG_OBJECT, namelang, FcTrue);
FcPatternObjectAddWithBinding (pattern, FC_FULLNAMELANG_OBJECT, v2, FcValueBindingWeak, FcTrue);
}
FcSharedStrFree (v2.u.s);
}
#define __fcdefault__
#include "fcaliastail.h"
#undef __fcdefault__
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