void setCairoFontOptionsFromFontConfigPattern(cairo_font_options_t* options, FcPattern* pattern)
{
FcBool booleanResult;
int integerResult;
if (FcPatternGetInteger(pattern, FC_RGBA, 0, &integerResult) == FcResultMatch) {
cairo_font_options_set_subpixel_order(options, convertFontConfigSubpixelOrder(integerResult));
// Based on the logic in cairo-ft-font.c in the cairo source, a font with
// a subpixel order implies that is uses subpixel antialiasing.
if (integerResult != FC_RGBA_NONE)
cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_SUBPIXEL);
}
if (FcPatternGetBool(pattern, FC_ANTIALIAS, 0, &booleanResult) == FcResultMatch) {
// Only override the anti-aliasing setting if was previously turned off. Otherwise
// we'll override the preference which decides between gray anti-aliasing and
// subpixel anti-aliasing.
if (!booleanResult)
cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_NONE);
else if (cairo_font_options_get_antialias(options) == CAIRO_ANTIALIAS_NONE)
cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_GRAY);
}
if (FcPatternGetInteger(pattern, FC_HINT_STYLE, 0, &integerResult) == FcResultMatch)
cairo_font_options_set_hint_style(options, convertFontConfigHintStyle(integerResult));
if (FcPatternGetBool(pattern, FC_HINTING, 0, &booleanResult) == FcResultMatch && !booleanResult)
cairo_font_options_set_hint_style(options, CAIRO_HINT_STYLE_NONE);
}
static void
xftfont_fix_match (FcPattern *pat, FcPattern *match)
{
/* These values are not used for matching (except antialias), but for
rendering, so make sure they are carried over to the match.
We also put antialias here because most fonts are antialiased, so
the match will have antialias true. */
FcBool b = FcTrue;
int i;
double dpi;
FcPatternGetBool (pat, FC_ANTIALIAS, 0, &b);
if (! b)
{
FcPatternDel (match, FC_ANTIALIAS);
FcPatternAddBool (match, FC_ANTIALIAS, FcFalse);
}
FcPatternGetBool (pat, FC_HINTING, 0, &b);
if (! b)
{
FcPatternDel (match, FC_HINTING);
FcPatternAddBool (match, FC_HINTING, FcFalse);
}
#ifndef FC_HINT_STYLE
# define FC_HINT_STYLE "hintstyle"
#endif
if (FcResultMatch == FcPatternGetInteger (pat, FC_HINT_STYLE, 0, &i))
{
FcPatternDel (match, FC_HINT_STYLE);
FcPatternAddInteger (match, FC_HINT_STYLE, i);
}
#ifndef FC_LCD_FILTER
/* Older fontconfig versions don't have FC_LCD_FILTER. */
#define FC_LCD_FILTER "lcdfilter"
#endif
if (FcResultMatch == FcPatternGetInteger (pat, FC_LCD_FILTER, 0, &i))
{
FcPatternDel (match, FC_LCD_FILTER);
FcPatternAddInteger (match, FC_LCD_FILTER, i);
}
if (FcResultMatch == FcPatternGetInteger (pat, FC_RGBA, 0, &i))
{
FcPatternDel (match, FC_RGBA);
FcPatternAddInteger (match, FC_RGBA, i);
}
if (FcResultMatch == FcPatternGetDouble (pat, FC_DPI, 0, &dpi))
{
FcPatternDel (match, FC_DPI);
FcPatternAddDouble (match, FC_DPI, dpi);
}
}
FontPlatformData::FontPlatformData(FcPattern* pattern, const FontDescription& fontDescription)
: m_pattern(pattern)
, m_fallbacks(0)
, m_size(fontDescription.computedPixelSize())
, m_syntheticBold(false)
, m_syntheticOblique(false)
, m_fixedWidth(false)
, m_scaledFont(0)
, m_orientation(fontDescription.orientation())
{
RefPtr<cairo_font_face_t> fontFace = adoptRef(cairo_ft_font_face_create_for_pattern(m_pattern.get()));
initializeWithFontFace(fontFace.get(), fontDescription);
int spacing;
if (FcPatternGetInteger(pattern, FC_SPACING, 0, &spacing) == FcResultMatch && spacing == FC_MONO)
m_fixedWidth = true;
if (fontDescription.weight() >= FontWeightBold) {
// The FC_EMBOLDEN property instructs us to fake the boldness of the font.
FcBool fontConfigEmbolden = FcFalse;
if (FcPatternGetBool(pattern, FC_EMBOLDEN, 0, &fontConfigEmbolden) == FcResultMatch)
m_syntheticBold = fontConfigEmbolden;
// Fallback fonts may not have FC_EMBOLDEN activated even though it's necessary.
int weight = 0;
if (!m_syntheticBold && FcPatternGetInteger(pattern, FC_WEIGHT, 0, &weight) == FcResultMatch)
m_syntheticBold = m_syntheticBold || weight < FC_WEIGHT_DEMIBOLD;
}
}
value fcListFonts( value v_add ) {
int i;
FcFontSet *fonts = FcConfigGetFonts( 0, FcSetSystem );
if( fonts == NULL ) val_throw( alloc_string("Fontconfig couldn't find any fonts") );
for( i=0; i<fonts->nfont; i++ ) {
FcPattern *font = fonts->fonts[i];
FcChar8 *familyName;
FcChar8 *style;
int weight, slant;
bool outline;
FcPatternGetBool( font, FC_OUTLINE, 0, &outline );
if( outline ) {
FcPatternGetString( font, FC_FAMILY, 0, &familyName );
FcPatternGetString( font, FC_STYLE, 0, &style);
FcPatternGetInteger( font, FC_WEIGHT, 0, &weight);
FcPatternGetInteger( font, FC_SLANT, 0, &slant);
// name = FcNameUnparse( font );
// printf("\nFont: %s || %s\n", familyName, style );
// FcPatternPrint( font );
value arg[4] = {
alloc_string((const char *)familyName), alloc_string((const char *)style),
alloc_int(weight), alloc_int(slant)
};
val_callN( v_add, arg, 4 );
}
}
}
void setCairoFontOptionsFromFontConfigPattern(cairo_font_options_t* options, FcPattern* pattern)
{
FcBool booleanResult;
int integerResult;
// We will determine if subpixel anti-aliasing is enabled via the FC_RGBA setting.
if (FcPatternGetBool(pattern, FC_ANTIALIAS, 0, &booleanResult) == FcResultMatch && booleanResult)
cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_GRAY);
if (FcPatternGetInteger(pattern, FC_RGBA, 0, &integerResult) == FcResultMatch) {
if (integerResult != FC_RGBA_NONE)
cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_SUBPIXEL);
cairo_font_options_set_subpixel_order(options, convertFontConfigSubpixelOrder(integerResult));
}
if (FcPatternGetInteger(pattern, FC_HINT_STYLE, 0, &integerResult) == FcResultMatch)
cairo_font_options_set_hint_style(options, convertFontConfigHintStyle(integerResult));
if (FcPatternGetBool(pattern, FC_HINTING, 0, &booleanResult) == FcResultMatch && !booleanResult)
cairo_font_options_set_hint_style(options, CAIRO_HINT_STYLE_NONE);
}
static bool valid_pattern(FcPattern* pattern) {
FcBool is_scalable;
if (FcPatternGetBool(pattern, FC_SCALABLE, 0, &is_scalable) != FcResultMatch || !is_scalable) {
return false;
}
// fontconfig can also return fonts which are unreadable
const char* c_filename = get_name(pattern, FC_FILE);
if (0 == *c_filename) {
return false;
}
if (access(c_filename, R_OK) != 0) {
return false;
}
return true;
}
bool SkFontConfigInterfaceDirect::isValidPattern(FcPattern* pattern) {
#ifdef SK_FONT_CONFIG_ONLY_ALLOW_SCALABLE_FONTS
FcBool is_scalable;
if (FcPatternGetBool(pattern, FC_SCALABLE, 0, &is_scalable) != FcResultMatch
|| !is_scalable) {
return false;
}
#endif
// fontconfig can also return fonts which are unreadable
const char* c_filename = get_name(pattern, FC_FILE);
if (!c_filename) {
return false;
}
return this->isAccessible(c_filename);
}
static bool
xftfont_cached_font_ok (struct frame *f, Lisp_Object font_object,
Lisp_Object entity)
{
struct xftfont_info *info = (struct xftfont_info *) XFONT_OBJECT (font_object);
FcPattern *oldpat = info->xftfont->pattern;
Display *display = FRAME_X_DISPLAY (f);
FcPattern *pat = FcPatternCreate ();
FcBool b1, b2;
bool ok = 0;
int i1, i2, r1, r2;
xftfont_add_rendering_parameters (pat, entity);
XftDefaultSubstitute (display, FRAME_X_SCREEN_NUMBER (f), pat);
r1 = FcPatternGetBool (pat, FC_ANTIALIAS, 0, &b1);
r2 = FcPatternGetBool (oldpat, FC_ANTIALIAS, 0, &b2);
if (r1 != r2 || b1 != b2) goto out;
r1 = FcPatternGetBool (pat, FC_HINTING, 0, &b1);
r2 = FcPatternGetBool (oldpat, FC_HINTING, 0, &b2);
if (r1 != r2 || b1 != b2) goto out;
r1 = FcPatternGetBool (pat, FC_AUTOHINT, 0, &b1);
r2 = FcPatternGetBool (oldpat, FC_AUTOHINT, 0, &b2);
if (r1 != r2 || b1 != b2) goto out;
#ifdef FC_EMBOLDEN
r1 = FcPatternGetBool (pat, FC_EMBOLDEN, 0, &b1);
r2 = FcPatternGetBool (oldpat, FC_EMBOLDEN, 0, &b2);
if (r1 != r2 || b1 != b2) goto out;
#endif
r1 = FcPatternGetInteger (pat, FC_HINT_STYLE, 0, &i1);
r2 = FcPatternGetInteger (oldpat, FC_HINT_STYLE, 0, &i2);
if (r1 != r2 || i1 != i2) goto out;
r1 = FcPatternGetInteger (pat, FC_LCD_FILTER, 0, &i1);
r2 = FcPatternGetInteger (oldpat, FC_LCD_FILTER, 0, &i2);
if (r1 != r2 || i1 != i2) goto out;
r1 = FcPatternGetInteger (pat, FC_RGBA, 0, &i1);
r2 = FcPatternGetInteger (oldpat, FC_RGBA, 0, &i2);
if (r1 != r2 || i1 != i2) goto out;
ok = 1;
out:
FcPatternDestroy (pat);
return ok;
}
/**
* \brief Case-insensitive match ASS/SSA font family against full name. (also
* known as "name for humans")
*
* \param lib library instance
* \param priv fontconfig instance
* \param family font fullname
* \param bold weight attribute
* \param italic italic attribute
* \return font set
*/
static FcFontSet *
match_fullname(ASS_Library *lib, FCInstance *priv, const char *family,
unsigned bold, unsigned italic)
{
FcFontSet *sets[2];
FcFontSet *result = FcFontSetCreate();
int nsets = 0;
int i, fi;
if (!result)
return NULL;
if ((sets[nsets] = FcConfigGetFonts(priv->config, FcSetSystem)))
nsets++;
if ((sets[nsets] = FcConfigGetFonts(priv->config, FcSetApplication)))
nsets++;
// Run over font sets and patterns and try to match against full name
for (i = 0; i < nsets; i++) {
FcFontSet *set = sets[i];
for (fi = 0; fi < set->nfont; fi++) {
FcPattern *pat = set->fonts[fi];
char *fullname;
int pi = 0, at;
FcBool ol;
while (FcPatternGetString(pat, FC_FULLNAME, pi++,
(FcChar8 **) &fullname) == FcResultMatch) {
if (FcPatternGetBool(pat, FC_OUTLINE, 0, &ol) != FcResultMatch
|| ol != FcTrue)
continue;
if (FcPatternGetInteger(pat, FC_SLANT, 0, &at) != FcResultMatch
|| at < italic)
continue;
if (FcPatternGetInteger(pat, FC_WEIGHT, 0, &at) != FcResultMatch
|| at < bold)
continue;
if (strcasecmp(fullname, family) == 0) {
FcFontSetAdd(result, FcPatternDuplicate(pat));
break;
}
}
}
}
return result;
}
FontPlatformData::FontPlatformData(FcPattern* pattern, const FontDescription& fontDescription)
: m_pattern(pattern)
, m_fallbacks(0)
, m_size(fontDescription.computedPixelSize())
, m_syntheticBold(false)
, m_syntheticOblique(false)
, m_fixedWidth(false)
{
PlatformRefPtr<cairo_font_face_t> fontFace = adoptPlatformRef(cairo_ft_font_face_create_for_pattern(m_pattern.get()));
initializeWithFontFace(fontFace.get());
int spacing;
if (FcPatternGetInteger(pattern, FC_SPACING, 0, &spacing) == FcResultMatch && spacing == FC_MONO)
m_fixedWidth = true;
if (fontDescription.weight() >= FontWeightBold) {
// The FC_EMBOLDEN property instructs us to fake the boldness of the font.
FcBool fontConfigEmbolden;
if (FcPatternGetBool(pattern, FC_EMBOLDEN, 0, &fontConfigEmbolden) == FcResultMatch)
m_syntheticBold = fontConfigEmbolden;
}
}
void QFontconfigDatabase::populateFontDatabase()
{
FcFontSet *fonts;
QString familyName;
FcChar8 *value = 0;
int weight_value;
int slant_value;
int spacing_value;
FcChar8 *file_value;
int indexValue;
FcChar8 *foundry_value;
FcChar8 *style_value;
FcBool scalable;
FcBool antialias;
{
FcObjectSet *os = FcObjectSetCreate();
FcPattern *pattern = FcPatternCreate();
const char *properties [] = {
FC_FAMILY, FC_STYLE, FC_WEIGHT, FC_SLANT,
FC_SPACING, FC_FILE, FC_INDEX,
FC_LANG, FC_CHARSET, FC_FOUNDRY, FC_SCALABLE, FC_PIXEL_SIZE, FC_WEIGHT,
FC_WIDTH,
#if FC_VERSION >= 20297
FC_CAPABILITY,
#endif
(const char *)0
};
const char **p = properties;
while (*p) {
FcObjectSetAdd(os, *p);
++p;
}
fonts = FcFontList(0, pattern, os);
FcObjectSetDestroy(os);
FcPatternDestroy(pattern);
}
for (int i = 0; i < fonts->nfont; i++) {
if (FcPatternGetString(fonts->fonts[i], FC_FAMILY, 0, &value) != FcResultMatch)
continue;
// capitalize(value);
familyName = QString::fromUtf8((const char *)value);
slant_value = FC_SLANT_ROMAN;
weight_value = FC_WEIGHT_REGULAR;
spacing_value = FC_PROPORTIONAL;
file_value = 0;
indexValue = 0;
scalable = FcTrue;
if (FcPatternGetInteger (fonts->fonts[i], FC_SLANT, 0, &slant_value) != FcResultMatch)
slant_value = FC_SLANT_ROMAN;
if (FcPatternGetInteger (fonts->fonts[i], FC_WEIGHT, 0, &weight_value) != FcResultMatch)
weight_value = FC_WEIGHT_REGULAR;
if (FcPatternGetInteger (fonts->fonts[i], FC_SPACING, 0, &spacing_value) != FcResultMatch)
spacing_value = FC_PROPORTIONAL;
if (FcPatternGetString (fonts->fonts[i], FC_FILE, 0, &file_value) != FcResultMatch)
file_value = 0;
if (FcPatternGetInteger (fonts->fonts[i], FC_INDEX, 0, &indexValue) != FcResultMatch)
indexValue = 0;
if (FcPatternGetBool(fonts->fonts[i], FC_SCALABLE, 0, &scalable) != FcResultMatch)
scalable = FcTrue;
if (FcPatternGetString(fonts->fonts[i], FC_FOUNDRY, 0, &foundry_value) != FcResultMatch)
foundry_value = 0;
if (FcPatternGetString(fonts->fonts[i], FC_STYLE, 0, &style_value) != FcResultMatch)
style_value = 0;
if(FcPatternGetBool(fonts->fonts[i],FC_ANTIALIAS,0,&antialias) != FcResultMatch)
antialias = true;
QSupportedWritingSystems writingSystems;
FcLangSet *langset = 0;
FcResult res = FcPatternGetLangSet(fonts->fonts[i], FC_LANG, 0, &langset);
if (res == FcResultMatch) {
bool hasLang = false;
for (int j = 1; j < QFontDatabase::WritingSystemsCount; ++j) {
const FcChar8 *lang = (const FcChar8*) languageForWritingSystem[j];
if (lang) {
FcLangResult langRes = FcLangSetHasLang(langset, lang);
if (langRes != FcLangDifferentLang) {
writingSystems.setSupported(QFontDatabase::WritingSystem(j));
hasLang = true;
}
}
}
if (!hasLang)
// none of our known languages, add it to the other set
writingSystems.setSupported(QFontDatabase::Other);
} else {
// we set Other to supported for symbol fonts. It makes no
// sense to merge these with other ones, as they are
// special in a way.
writingSystems.setSupported(QFontDatabase::Other);
}
#if FC_VERSION >= 20297
for (int j = 1; j < QFontDatabase::WritingSystemsCount; ++j) {
if (writingSystems.supported(QFontDatabase::WritingSystem(j))
&& requiresOpenType(j) && openType[j]) {
FcChar8 *cap;
res = FcPatternGetString (fonts->fonts[i], FC_CAPABILITY, 0, &cap);
if (res != FcResultMatch || !strstr((const char *)cap, openType[j]))
writingSystems.setSupported(QFontDatabase::WritingSystem(j),false);
}
}
#endif
FontFile *fontFile = new FontFile;
fontFile->fileName = QLatin1String((const char *)file_value);
fontFile->indexValue = indexValue;
QFont::Style style = (slant_value == FC_SLANT_ITALIC)
? QFont::StyleItalic
: ((slant_value == FC_SLANT_OBLIQUE)
? QFont::StyleOblique
: QFont::StyleNormal);
QFont::Weight weight = QFont::Weight(getFCWeight(weight_value));
double pixel_size = 0;
if (!scalable) {
int width = 100;
FcPatternGetInteger (fonts->fonts[i], FC_WIDTH, 0, &width);
FcPatternGetDouble (fonts->fonts[i], FC_PIXEL_SIZE, 0, &pixel_size);
}
bool fixedPitch = spacing_value >= FC_MONO;
QFont::Stretch stretch = QFont::Unstretched;
QString styleName = style_value ? QString::fromUtf8((const char *) style_value) : QString();
QPlatformFontDatabase::registerFont(familyName,styleName,QLatin1String((const char *)foundry_value),weight,style,stretch,antialias,scalable,pixel_size,fixedPitch,writingSystems,fontFile);
// qDebug() << familyName << (const char *)foundry_value << weight << style << &writingSystems << scalable << true << pixel_size;
for (int k = 1; FcPatternGetString(fonts->fonts[i], FC_FAMILY, k, &value) == FcResultMatch; ++k)
QPlatformFontDatabase::registerAliasToFontFamily(familyName, QString::fromUtf8((const char *)value));
}
FcFontSetDestroy (fonts);
struct FcDefaultFont {
const char *qtname;
const char *rawname;
bool fixed;
};
const FcDefaultFont defaults[] = {
{ "Serif", "serif", false },
{ "Sans Serif", "sans-serif", false },
{ "Monospace", "monospace", true },
{ 0, 0, false }
};
const FcDefaultFont *f = defaults;
// aliases only make sense for 'common', not for any of the specials
QSupportedWritingSystems ws;
ws.setSupported(QFontDatabase::Latin);
while (f->qtname) {
QString familyQtName = QString::fromLatin1(f->qtname);
registerFont(familyQtName,QString(),QString(),QFont::Normal,QFont::StyleNormal,QFont::Unstretched,true,true,0,f->fixed,ws,0);
registerFont(familyQtName,QString(),QString(),QFont::Normal,QFont::StyleItalic,QFont::Unstretched,true,true,0,f->fixed,ws,0);
registerFont(familyQtName,QString(),QString(),QFont::Normal,QFont::StyleOblique,QFont::Unstretched,true,true,0,f->fixed,ws,0);
++f;
}
//Lighthouse has very lazy population of the font db. We want it to be initialized when
//QApplication is constructed, so that the population procedure can do something like this to
//set the default font
// const FcDefaultFont *s = defaults;
// QFont font("Sans Serif");
// font.setPointSize(9);
// QApplication::setFont(font);
}
/**
* \brief Low-level font selection.
* \param priv private data
* \param family font family
* \param treat_family_as_pattern treat family as fontconfig pattern
* \param bold font weight value
* \param italic font slant value
* \param index out: font index inside a file
* \param code: the character that should be present in the font, can be 0
* \return font file path
*/
static char *select_font(ASS_Library *library, FCInstance *priv,
const char *family, int treat_family_as_pattern,
unsigned bold, unsigned italic, int *index,
uint32_t code)
{
FcBool rc;
FcResult result;
FcPattern *pat = NULL, *rpat = NULL;
int r_index, r_slant, r_weight;
FcChar8 *r_family, *r_style, *r_file, *r_fullname;
FcBool r_outline, r_embolden;
FcCharSet *r_charset;
FcFontSet *ffullname = NULL, *fsorted = NULL, *fset = NULL;
int curf;
char *retval = NULL;
int family_cnt = 0;
*index = 0;
if (treat_family_as_pattern)
pat = FcNameParse((const FcChar8 *) family);
else
pat = FcPatternCreate();
if (!pat)
goto error;
if (!treat_family_as_pattern) {
FcPatternAddString(pat, FC_FAMILY, (const FcChar8 *) family);
// In SSA/ASS fonts are sometimes referenced by their "full name",
// which is usually a concatenation of family name and font
// style (ex. Ottawa Bold). Full name is available from
// FontConfig pattern element FC_FULLNAME, but it is never
// used for font matching.
// Therefore, I'm removing words from the end of the name one
// by one, and adding shortened names to the pattern. It seems
// that the first value (full name in this case) has
// precedence in matching.
// An alternative approach could be to reimplement FcFontSort
// using FC_FULLNAME instead of FC_FAMILY.
family_cnt = 1;
{
char *s = strdup(family);
char *p = s + strlen(s);
while (--p > s)
if (*p == ' ' || *p == '-') {
*p = '\0';
FcPatternAddString(pat, FC_FAMILY, (const FcChar8 *) s);
++family_cnt;
}
free(s);
}
}
FcPatternAddBool(pat, FC_OUTLINE, FcTrue);
FcPatternAddInteger(pat, FC_SLANT, italic);
FcPatternAddInteger(pat, FC_WEIGHT, bold);
FcDefaultSubstitute(pat);
rc = FcConfigSubstitute(priv->config, pat, FcMatchPattern);
if (!rc)
goto error;
/* Fontconfig defaults include a language setting, which it sets based on
* some environment variables or defaults to "en". Unset this as we don't
* know the real language, and because some some attached fonts lack
* non-ascii characters included in fontconfig's list of characters
* required for English support and therefore don't match the lang=en
* criterion.
*/
FcPatternDel(pat, "lang");
fsorted = FcFontSort(priv->config, pat, FcTrue, NULL, &result);
ffullname = match_fullname(library, priv, family, bold, italic);
if (!fsorted || !ffullname)
goto error;
fset = FcFontSetCreate();
for (curf = 0; curf < ffullname->nfont; ++curf) {
FcPattern *curp = ffullname->fonts[curf];
FcPatternReference(curp);
FcFontSetAdd(fset, curp);
}
for (curf = 0; curf < fsorted->nfont; ++curf) {
FcPattern *curp = fsorted->fonts[curf];
FcPatternReference(curp);
FcFontSetAdd(fset, curp);
}
for (curf = 0; curf < fset->nfont; ++curf) {
FcPattern *curp = fset->fonts[curf];
result = FcPatternGetBool(curp, FC_OUTLINE, 0, &r_outline);
if (result != FcResultMatch)
continue;
if (r_outline != FcTrue)
continue;
if (!code)
break;
result = FcPatternGetCharSet(curp, FC_CHARSET, 0, &r_charset);
if (result != FcResultMatch)
continue;
if (FcCharSetHasChar(r_charset, code))
break;
}
if (curf >= fset->nfont)
goto error;
if (!treat_family_as_pattern) {
// Remove all extra family names from original pattern.
// After this, FcFontRenderPrepare will select the most relevant family
// name in case there are more than one of them.
for (; family_cnt > 1; --family_cnt)
FcPatternRemove(pat, FC_FAMILY, family_cnt - 1);
}
rpat = FcFontRenderPrepare(priv->config, pat, fset->fonts[curf]);
if (!rpat)
goto error;
result = FcPatternGetInteger(rpat, FC_INDEX, 0, &r_index);
if (result != FcResultMatch)
goto error;
*index = r_index;
result = FcPatternGetString(rpat, FC_FILE, 0, &r_file);
if (result != FcResultMatch)
goto error;
retval = strdup((const char *) r_file);
result = FcPatternGetString(rpat, FC_FAMILY, 0, &r_family);
if (result != FcResultMatch)
r_family = NULL;
result = FcPatternGetString(rpat, FC_FULLNAME, 0, &r_fullname);
if (result != FcResultMatch)
r_fullname = NULL;
if (!treat_family_as_pattern &&
!(r_family && strcasecmp((const char *) r_family, family) == 0) &&
!(r_fullname && strcasecmp((const char *) r_fullname, family) == 0)) {
char *fallback = (char *) (r_fullname ? r_fullname : r_family);
if (code) {
ass_msg(library, MSGL_WARN,
"fontconfig: cannot find glyph U+%04X in font '%s', falling back to '%s'",
(unsigned int)code, family, fallback);
} else {
ass_msg(library, MSGL_WARN,
"fontconfig: cannot find font '%s', falling back to '%s'",
family, fallback);
}
}
result = FcPatternGetString(rpat, FC_STYLE, 0, &r_style);
if (result != FcResultMatch)
r_style = NULL;
result = FcPatternGetInteger(rpat, FC_SLANT, 0, &r_slant);
if (result != FcResultMatch)
r_slant = 0;
result = FcPatternGetInteger(rpat, FC_WEIGHT, 0, &r_weight);
if (result != FcResultMatch)
r_weight = 0;
result = FcPatternGetBool(rpat, FC_EMBOLDEN, 0, &r_embolden);
if (result != FcResultMatch)
r_embolden = 0;
ass_msg(library, MSGL_V,
"Font info: family '%s', style '%s', fullname '%s',"
" slant %d, weight %d%s", (const char *) r_family,
(const char *) r_style, (const char *) r_fullname, r_slant,
r_weight, r_embolden ? ", embolden" : "");
error:
if (pat)
FcPatternDestroy(pat);
if (rpat)
FcPatternDestroy(rpat);
if (fsorted)
FcFontSetDestroy(fsorted);
if (ffullname)
FcFontSetDestroy(ffullname);
if (fset)
FcFontSetDestroy(fset);
return retval;
}
static void populateFromPattern(FcPattern *pattern)
{
QString familyName;
FcChar8 *value = 0;
int weight_value;
int slant_value;
int spacing_value;
int width_value;
FcChar8 *file_value;
int indexValue;
FcChar8 *foundry_value;
FcChar8 *style_value;
FcBool scalable;
FcBool antialias;
if (FcPatternGetString(pattern, FC_FAMILY, 0, &value) != FcResultMatch)
return;
familyName = QString::fromUtf8((const char *)value);
slant_value = FC_SLANT_ROMAN;
weight_value = FC_WEIGHT_REGULAR;
spacing_value = FC_PROPORTIONAL;
file_value = 0;
indexValue = 0;
scalable = FcTrue;
if (FcPatternGetInteger(pattern, FC_SLANT, 0, &slant_value) != FcResultMatch)
slant_value = FC_SLANT_ROMAN;
if (FcPatternGetInteger(pattern, FC_WEIGHT, 0, &weight_value) != FcResultMatch)
weight_value = FC_WEIGHT_REGULAR;
if (FcPatternGetInteger(pattern, FC_WIDTH, 0, &width_value) != FcResultMatch)
width_value = FC_WIDTH_NORMAL;
if (FcPatternGetInteger(pattern, FC_SPACING, 0, &spacing_value) != FcResultMatch)
spacing_value = FC_PROPORTIONAL;
if (FcPatternGetString(pattern, FC_FILE, 0, &file_value) != FcResultMatch)
file_value = 0;
if (FcPatternGetInteger(pattern, FC_INDEX, 0, &indexValue) != FcResultMatch)
indexValue = 0;
if (FcPatternGetBool(pattern, FC_SCALABLE, 0, &scalable) != FcResultMatch)
scalable = FcTrue;
if (FcPatternGetString(pattern, FC_FOUNDRY, 0, &foundry_value) != FcResultMatch)
foundry_value = 0;
if (FcPatternGetString(pattern, FC_STYLE, 0, &style_value) != FcResultMatch)
style_value = 0;
if (FcPatternGetBool(pattern,FC_ANTIALIAS,0,&antialias) != FcResultMatch)
antialias = true;
QSupportedWritingSystems writingSystems;
FcLangSet *langset = 0;
FcResult res = FcPatternGetLangSet(pattern, FC_LANG, 0, &langset);
if (res == FcResultMatch) {
bool hasLang = false;
for (int j = 1; j < QFontDatabase::WritingSystemsCount; ++j) {
const FcChar8 *lang = (const FcChar8*) languageForWritingSystem[j];
if (lang) {
FcLangResult langRes = FcLangSetHasLang(langset, lang);
if (langRes != FcLangDifferentLang) {
writingSystems.setSupported(QFontDatabase::WritingSystem(j));
hasLang = true;
}
}
}
if (!hasLang)
// none of our known languages, add it to the other set
writingSystems.setSupported(QFontDatabase::Other);
} else {
// we set Other to supported for symbol fonts. It makes no
// sense to merge these with other ones, as they are
// special in a way.
writingSystems.setSupported(QFontDatabase::Other);
}
#if FC_VERSION >= 20297
for (int j = 1; j < QFontDatabase::WritingSystemsCount; ++j) {
if (writingSystems.supported(QFontDatabase::WritingSystem(j))
&& requiresOpenType(j) && openType[j]) {
FcChar8 *cap;
res = FcPatternGetString (pattern, FC_CAPABILITY, 0, &cap);
if (res != FcResultMatch || !strstr((const char *)cap, openType[j]))
writingSystems.setSupported(QFontDatabase::WritingSystem(j),false);
}
}
#endif
FontFile *fontFile = new FontFile;
fontFile->fileName = QString::fromLocal8Bit((const char *)file_value);
fontFile->indexValue = indexValue;
QFont::Style style = (slant_value == FC_SLANT_ITALIC)
? QFont::StyleItalic
: ((slant_value == FC_SLANT_OBLIQUE)
? QFont::StyleOblique
: QFont::StyleNormal);
// Note: weight should really be an int but registerFont incorrectly uses an enum
QFont::Weight weight = QFont::Weight(weightFromFcWeight(weight_value));
double pixel_size = 0;
if (!scalable)
FcPatternGetDouble (pattern, FC_PIXEL_SIZE, 0, &pixel_size);
bool fixedPitch = spacing_value >= FC_MONO;
// Note: stretch should really be an int but registerFont incorrectly uses an enum
QFont::Stretch stretch = QFont::Stretch(stretchFromFcWidth(width_value));
QString styleName = style_value ? QString::fromUtf8((const char *) style_value) : QString();
QPlatformFontDatabase::registerFont(familyName,styleName,QLatin1String((const char *)foundry_value),weight,style,stretch,antialias,scalable,pixel_size,fixedPitch,writingSystems,fontFile);
// qDebug() << familyName << (const char *)foundry_value << weight << style << &writingSystems << scalable << true << pixel_size;
for (int k = 1; FcPatternGetString(pattern, FC_FAMILY, k, &value) == FcResultMatch; ++k)
QPlatformFontDatabase::registerAliasToFontFamily(familyName, QString::fromUtf8((const char *)value));
}
/***
* \brief Selects a font matching family, bold, italic provided
***/
char* FontConfig_Select( filter_t *p_filter, const char* family,
bool b_bold, bool b_italic, int i_size, int *i_idx )
{
FcResult result = FcResultMatch;
FcPattern *pat, *p_pat;
FcChar8* val_s;
FcBool val_b;
char *ret = NULL;
FcConfig* config = NULL;
VLC_UNUSED(p_filter);
/* Create a pattern and fills it */
pat = FcPatternCreate();
if (!pat) return NULL;
/* */
FcPatternAddString( pat, FC_FAMILY, (const FcChar8*)family );
FcPatternAddBool( pat, FC_OUTLINE, FcTrue );
FcPatternAddInteger( pat, FC_SLANT, b_italic ? FC_SLANT_ITALIC : FC_SLANT_ROMAN );
FcPatternAddInteger( pat, FC_WEIGHT, b_bold ? FC_WEIGHT_EXTRABOLD : FC_WEIGHT_NORMAL );
if( i_size != -1 )
{
char *psz_fontsize;
if( asprintf( &psz_fontsize, "%d", i_size ) != -1 )
{
FcPatternAddString( pat, FC_SIZE, (const FcChar8 *)psz_fontsize );
free( psz_fontsize );
}
}
/* */
FcDefaultSubstitute( pat );
if( !FcConfigSubstitute( config, pat, FcMatchPattern ) )
{
FcPatternDestroy( pat );
return NULL;
}
/* Find the best font for the pattern, destroy the pattern */
p_pat = FcFontMatch( config, pat, &result );
FcPatternDestroy( pat );
if( !p_pat || result == FcResultNoMatch ) return NULL;
/* Check the new pattern */
if( ( FcResultMatch != FcPatternGetBool( p_pat, FC_OUTLINE, 0, &val_b ) )
|| ( val_b != FcTrue ) )
{
FcPatternDestroy( p_pat );
return NULL;
}
if( FcResultMatch != FcPatternGetInteger( p_pat, FC_INDEX, 0, i_idx ) )
{
*i_idx = 0;
}
if( FcResultMatch != FcPatternGetString( p_pat, FC_FAMILY, 0, &val_s ) )
{
FcPatternDestroy( p_pat );
return NULL;
}
/* if( strcasecmp((const char*)val_s, family ) != 0 )
msg_Warn( p_filter, "fontconfig: selected font family is not"
"the requested one: '%s' != '%s'\n",
(const char*)val_s, family ); */
if( FcResultMatch == FcPatternGetString( p_pat, FC_FILE, 0, &val_s ) )
ret = strdup( (const char*)val_s );
FcPatternDestroy( p_pat );
return ret;
}
/**
* \brief Low-level font selection.
* \param priv private data
* \param family font family
* \param bold font weight value
* \param italic font slant value
* \param index out: font index inside a file
* \param code: the character that should be present in the font, can be 0
* \return font file path
*/
static char* _select_font(fc_instance_t* priv, const char* family, unsigned bold, unsigned italic, int* index,
uint32_t code)
{
FcBool rc;
FcResult result;
FcPattern *pat = 0, *rpat;
int val_i;
FcChar8* val_s;
FcBool val_b;
FcCharSet* val_cs;
FcFontSet* fset = 0;
int curf;
char* retval = 0;
*index = 0;
pat = FcPatternCreate();
if (!pat)
goto error;
FcPatternAddString(pat, FC_FAMILY, (const FcChar8*)family);
FcPatternAddBool(pat, FC_OUTLINE, FcTrue);
FcPatternAddInteger(pat, FC_SLANT, italic);
FcPatternAddInteger(pat, FC_WEIGHT, bold);
FcDefaultSubstitute(pat);
rc = FcConfigSubstitute(priv->config, pat, FcMatchPattern);
if (!rc)
goto error;
fset = FcFontSort(priv->config, pat, FcTrue, NULL, &result);
for (curf = 0; curf < fset->nfont; ++curf) {
rpat = fset->fonts[curf];
result = FcPatternGetBool(rpat, FC_OUTLINE, 0, &val_b);
if (result != FcResultMatch)
continue;
if (val_b != FcTrue)
continue;
if (!code)
break;
result = FcPatternGetCharSet(rpat, FC_CHARSET, 0, &val_cs);
if (result != FcResultMatch)
continue;
if (FcCharSetHasChar(val_cs, code))
break;
}
if (curf >= fset->nfont)
goto error;
rpat = fset->fonts[curf];
result = FcPatternGetInteger(rpat, FC_INDEX, 0, &val_i);
if (result != FcResultMatch)
goto error;
*index = val_i;
result = FcPatternGetString(rpat, FC_FAMILY, 0, &val_s);
if (result != FcResultMatch)
goto error;
if (strcasecmp((const char*)val_s, family) != 0)
mp_msg(MSGT_ASS, MSGL_WARN, MSGTR_LIBASS_SelectedFontFamilyIsNotTheRequestedOne,
(const char*)val_s, family);
result = FcPatternGetString(rpat, FC_FILE, 0, &val_s);
if (result != FcResultMatch)
goto error;
retval = strdup((const char*)val_s);
error:
if (pat) FcPatternDestroy(pat);
if (fset) FcFontSetDestroy(fset);
return retval;
}
static void
apply_xft_settings (struct x_display_info *dpyinfo,
struct xsettings *settings)
{
#ifdef HAVE_XFT
FcPattern *pat;
struct xsettings oldsettings;
bool changed = false;
memset (&oldsettings, 0, sizeof (oldsettings));
pat = FcPatternCreate ();
XftDefaultSubstitute (dpyinfo->display,
XScreenNumberOfScreen (dpyinfo->screen),
pat);
FcPatternGetBool (pat, FC_ANTIALIAS, 0, &oldsettings.aa);
FcPatternGetBool (pat, FC_HINTING, 0, &oldsettings.hinting);
#ifdef FC_HINT_STYLE
FcPatternGetInteger (pat, FC_HINT_STYLE, 0, &oldsettings.hintstyle);
#endif
FcPatternGetInteger (pat, FC_LCD_FILTER, 0, &oldsettings.lcdfilter);
FcPatternGetInteger (pat, FC_RGBA, 0, &oldsettings.rgba);
FcPatternGetDouble (pat, FC_DPI, 0, &oldsettings.dpi);
if ((settings->seen & SEEN_AA) != 0 && oldsettings.aa != settings->aa)
{
FcPatternDel (pat, FC_ANTIALIAS);
FcPatternAddBool (pat, FC_ANTIALIAS, settings->aa);
changed = true;
oldsettings.aa = settings->aa;
}
if ((settings->seen & SEEN_HINTING) != 0
&& oldsettings.hinting != settings->hinting)
{
FcPatternDel (pat, FC_HINTING);
FcPatternAddBool (pat, FC_HINTING, settings->hinting);
changed = true;
oldsettings.hinting = settings->hinting;
}
if ((settings->seen & SEEN_RGBA) != 0 && oldsettings.rgba != settings->rgba)
{
FcPatternDel (pat, FC_RGBA);
FcPatternAddInteger (pat, FC_RGBA, settings->rgba);
oldsettings.rgba = settings->rgba;
changed = true;
}
/* Older fontconfig versions don't have FC_LCD_FILTER. */
if ((settings->seen & SEEN_LCDFILTER) != 0
&& oldsettings.lcdfilter != settings->lcdfilter)
{
FcPatternDel (pat, FC_LCD_FILTER);
FcPatternAddInteger (pat, FC_LCD_FILTER, settings->lcdfilter);
changed = true;
oldsettings.lcdfilter = settings->lcdfilter;
}
#ifdef FC_HINT_STYLE
if ((settings->seen & SEEN_HINTSTYLE) != 0
&& oldsettings.hintstyle != settings->hintstyle)
{
FcPatternDel (pat, FC_HINT_STYLE);
FcPatternAddInteger (pat, FC_HINT_STYLE, settings->hintstyle);
changed = true;
oldsettings.hintstyle = settings->hintstyle;
}
#endif
if ((settings->seen & SEEN_DPI) != 0
&& settings->dpi > 0
/* The following conjunct avoids setting `changed' to true when
old and new dpi settings do not differ "substantially".
Otherwise, the dynamic-setting Elisp code may process all sorts
of unrelated settings that override users' font customizations,
among others. Compare:
https://lists.gnu.org/r/emacs-devel/2016-05/msg00557.html
https://lists.gnu.org/r/bug-gnu-emacs/2016-12/msg00820.html
As soon as the dynamic-settings code has been tested and
verified, this Emacs 25.2 workaround should be removed. */
&& ((oldsettings.dpi >= settings->dpi
&& (oldsettings.dpi - settings->dpi) > 2)
|| ((settings->dpi > oldsettings.dpi)
&& (settings->dpi - oldsettings.dpi) > 2)))
{
FcPatternDel (pat, FC_DPI);
FcPatternAddDouble (pat, FC_DPI, settings->dpi);
changed = true;
oldsettings.dpi = settings->dpi;
/* Changing the DPI on this display affects all frames on it.
Check FRAME_RES_X and FRAME_RES_Y in frame.h to see how. */
dpyinfo->resy = dpyinfo->resx = settings->dpi;
}
if (changed)
{
static char const format[] =
"Antialias: %d, Hinting: %d, RGBA: %d, LCDFilter: %d, "
"Hintstyle: %d, DPI: %f";
enum
{
d_formats = 5,
d_growth = INT_BUFSIZE_BOUND (int) - sizeof "%d",
lf_formats = 1,
max_f_integer_digits = DBL_MAX_10_EXP + 1,
f_precision = 6,
lf_growth = (sizeof "-." + max_f_integer_digits + f_precision
- sizeof "%f")
};
char buf[sizeof format + d_formats * d_growth + lf_formats * lf_growth];
XftDefaultSet (dpyinfo->display, pat);
store_config_changed_event (Qfont_render,
XCAR (dpyinfo->name_list_element));
Vxft_settings
= make_formatted_string (buf, format,
oldsettings.aa, oldsettings.hinting,
oldsettings.rgba, oldsettings.lcdfilter,
oldsettings.hintstyle, oldsettings.dpi);
}
else
FcPatternDestroy (pat);
#endif /* HAVE_XFT */
}
FcFontSet * fcinfo_match(FcFontSet *fontset, const FcPattern *filter)
{
int f;
FcFontSet *result;
FcChar8 *family, *style, *file;
FcChar8 *next_family, *next_style;
double size;
FcBool scalable;
FcPattern *pat, *match = NULL;
FcResult r;
FcInit();
if (fontset->nfont == 0)
{
result = FcFontSetCreate();
return result;
}
/* fc-match "Misc Fixed:style=Bold" gives many files with
various pixelsizes plus two "encodings" ('general' and
'ISO8859-1', ISO8859-1 is subset of general)
we want only one card for family,style pair
for MiscFixedBold.html we will take informations from
file 9x18B.pcf.gz (biggest size and general encoding)
from fcinfo(), fontset is sorted a way that pattern
created from 9x18B.pcf.gz comes first in
"Misc Fixed:style=Bold" interval (the biggest pixel size
and subset of supported languages, see pattern_compare()). */
result = FcFontSetCreate();
for (f = 0; f < fontset->nfont; )
{
/* bitmap fonts: */
/* we are here always on the best file in FC_LANG terms */
/* we need it for displaying the widest range of supported languages */
/* identify it by FC_FILE for FcFontMatch() */
if (filter)
pat = FcPatternDuplicate(filter);
else
pat = FcPatternCreate();
assert(fcinfo_get_translated_string(fontset->fonts[f], FC_FAMILY,
LANG_EN, &family) == FcResultMatch);
FcPatternAddString(pat, FC_FAMILY, family);
if (fcinfo_get_translated_string(fontset->fonts[f], FC_STYLE,
LANG_EN, &style) == FcResultMatch)
FcPatternAddString(pat, FC_STYLE, style);
if (FcPatternGetString(fontset->fonts[f], FC_FILE, 0, &file)
== FcResultMatch)
FcPatternAddString(pat, FC_FILE, file);
FcConfigSubstitute(NULL, pat, FcMatchPattern);
FcDefaultSubstitute(pat);
match = FcFontMatch(NULL, pat, &r);
assert(r == FcResultMatch);
/* should not be needed: FcConfigSubstitute(NULL, match, FcMatchFont); */
FcPatternDestroy(pat);
assert(FcPatternGetBool(match, FC_SCALABLE, 0, &scalable)
== FcResultMatch);
/* fprintf(stdout, "Family: %s Style: %s\n", next_family, next_style);
fprintf(stdout, " %s\n", file);*/
/* figure out sizes font provide (needed for specimen) and skip same */
/* family,style pairs (see e. g. Misc Fixed) */
if (! scalable)
{
next_family = family;
next_style = style;
/* unfortunately e. g. 'ETL Fixed' and 'ETL fixed'
are present on my system */
while (FcStrCmpIgnoreCase(next_family, family) == 0 &&
FcStrCmpIgnoreCase(next_style, style) == 0)
{
if (FcPatternGetDouble(fontset->fonts[f], FC_PIXEL_SIZE, 0, &size)
== FcResultMatch)
{
if (! pattern_contains_size(match, size))
{
FcPatternAddDouble(match, FC_PIXEL_SIZE, size);
if (FcPatternGetString(fontset->fonts[f], FC_FILE, 0, &file)
== FcResultMatch)
FcPatternAddString(match, FC_FILE, file);
/*fprintf(stdout, " %s\n", file);*/
}
}
if (f + 1 == fontset->nfont) /* last family,style pair at all */
{
f++;
break;
}
assert(fcinfo_get_translated_string(fontset->fonts[f + 1], FC_FAMILY,
LANG_EN, &next_family)
== FcResultMatch);
assert(fcinfo_get_translated_string(fontset->fonts[f + 1], FC_STYLE,
LANG_EN, &next_style)
== FcResultMatch);
f++;
}
}
else /* family Efont Serif Regular is spread (unintentionally) over */
{ /* 5 files (Efont Serif <X> should be spread over 2 files, */
/* normal and 'Alternate'), so this is needed anyway: */
FcPatternDel(match, FC_FILE);
next_family = family;
next_style = style;
while (FcStrCmpIgnoreCase(next_family, family) == 0 &&
FcStrCmpIgnoreCase(next_style, style) == 0)
{
if (FcPatternGetString(fontset->fonts[f], FC_FILE, 0, &file)
== FcResultMatch)
FcPatternAddString(match, FC_FILE, file);
if (f + 1 == fontset->nfont) /* last family,style pair at all */
{
f++;
break;
}
assert(fcinfo_get_translated_string(fontset->fonts[f + 1], FC_FAMILY,
LANG_EN, &next_family)
== FcResultMatch);
assert(fcinfo_get_translated_string(fontset->fonts[f + 1], FC_STYLE,
LANG_EN, &next_style)
== FcResultMatch);
f++;
}
}
/* don't add ethio16f-uni.pcf, johabg16.pcf and similar with reported
empty charset */
if (! empty_charset(match))
FcFontSetAdd(result, FcPatternDuplicate(match));
}
if (match)
FcPatternDestroy(match);
return result;
}
QFontEngine *QFontconfigDatabase::fontEngine(const QFontDef &f, QChar::Script script, void *usrPtr)
{
if (!usrPtr)
return 0;
QFontDef fontDef = f;
QFontEngineFT *engine;
FontFile *fontfile = static_cast<FontFile *> (usrPtr);
QFontEngine::FaceId fid;
fid.filename = QFile::encodeName(fontfile->fileName);
fid.index = fontfile->indexValue;
bool antialias = !(fontDef.styleStrategy & QFont::NoAntialias);
engine = new QFontEngineFT(fontDef);
QFontEngineFT::GlyphFormat format;
// try and get the pattern
FcPattern *pattern = FcPatternCreate();
FcValue value;
value.type = FcTypeString;
QByteArray cs = fontDef.family.toUtf8();
value.u.s = (const FcChar8 *)cs.data();
FcPatternAdd(pattern,FC_FAMILY,value,true);
value.u.s = (const FcChar8 *)fid.filename.data();
FcPatternAdd(pattern,FC_FILE,value,true);
value.type = FcTypeInteger;
value.u.i = fid.index;
FcPatternAdd(pattern,FC_INDEX,value,true);
FcResult result;
FcPattern *match = FcFontMatch(0, pattern, &result);
if (match) {
QFontEngineFT::HintStyle default_hint_style;
if (f.hintingPreference != QFont::PreferDefaultHinting) {
switch (f.hintingPreference) {
case QFont::PreferNoHinting:
default_hint_style = QFontEngineFT::HintNone;
break;
case QFont::PreferVerticalHinting:
default_hint_style = QFontEngineFT::HintLight;
break;
case QFont::PreferFullHinting:
default:
default_hint_style = QFontEngineFT::HintFull;
break;
}
} else {
int hint_style = 0;
if (FcPatternGetInteger (match, FC_HINT_STYLE, 0, &hint_style) == FcResultNoMatch)
hint_style = QFontEngineFT::HintFull;
switch (hint_style) {
case FC_HINT_NONE:
default_hint_style = QFontEngineFT::HintNone;
break;
case FC_HINT_SLIGHT:
default_hint_style = QFontEngineFT::HintLight;
break;
case FC_HINT_MEDIUM:
default_hint_style = QFontEngineFT::HintMedium;
break;
default:
default_hint_style = QFontEngineFT::HintFull;
break;
}
}
if (antialias) {
// If antialiasing is not fully disabled, fontconfig may still disable it on a font match basis.
FcBool fc_antialias;
if (FcPatternGetBool(match, FC_ANTIALIAS,0, &fc_antialias) != FcResultMatch)
fc_antialias = true;
antialias = fc_antialias;
}
if (f.hintingPreference == QFont::PreferDefaultHinting) {
const QPlatformServices *services = QGuiApplicationPrivate::platformIntegration()->services();
if (services && (services->desktopEnvironment() == "GNOME" || services->desktopEnvironment() == "UNITY")) {
void *hintStyleResource =
QGuiApplication::platformNativeInterface()->nativeResourceForScreen("hintstyle",
QGuiApplication::primaryScreen());
int hintStyle = int(reinterpret_cast<qintptr>(hintStyleResource));
if (hintStyle > 0)
default_hint_style = QFontEngine::HintStyle(hintStyle - 1);
}
}
engine->setDefaultHintStyle(default_hint_style);
if (antialias) {
QFontEngineFT::SubpixelAntialiasingType subpixelType = QFontEngineFT::Subpixel_None;
int subpixel = FC_RGBA_NONE;
FcPatternGetInteger(match, FC_RGBA, 0, &subpixel);
if (subpixel == FC_RGBA_UNKNOWN)
subpixel = FC_RGBA_NONE;
switch (subpixel) {
case FC_RGBA_NONE: subpixelType = QFontEngineFT::Subpixel_None; break;
case FC_RGBA_RGB: subpixelType = QFontEngineFT::Subpixel_RGB; break;
case FC_RGBA_BGR: subpixelType = QFontEngineFT::Subpixel_BGR; break;
case FC_RGBA_VRGB: subpixelType = QFontEngineFT::Subpixel_VRGB; break;
case FC_RGBA_VBGR: subpixelType = QFontEngineFT::Subpixel_VBGR; break;
default: break;
}
format = subpixelType == QFontEngineFT::Subpixel_None
? QFontEngineFT::Format_A8 : QFontEngineFT::Format_A32;
engine->subpixelType = subpixelType;
} else
format = QFontEngineFT::Format_Mono;
FcPatternDestroy(match);
} else
format = antialias ? QFontEngineFT::Format_A8 : QFontEngineFT::Format_Mono;
FcPatternDestroy(pattern);
if (!engine->init(fid,antialias,format)) {
delete engine;
engine = 0;
return engine;
}
if (engine->invalid()) {
delete engine;
engine = 0;
} else if (!engine->supportsScript(script)) {
qWarning(" OpenType support missing for script %d", int(script));
delete engine;
engine = 0;
}
return engine;
}
TGlyphInfo *glyph_cache_get_info(TGlyphCache *cache, gunichar glyph) {
TGlyphInfo *gfi;
XftFont *xftfont;
PangoFont *font;
PangoGlyph pglyph;
PangoRectangle ink, logical;
gint ascent, descent;
gint x_offset;
gint nominal_width;
double scale_y, scale_x;
if (!cache->hash)
return NULL;
gfi = g_hash_table_lookup(cache->hash, GINT_TO_POINTER(glyph));
if (gfi)
return gfi;
font = pango_fontset_get_font(cache->font_set, glyph);
pglyph = pango_fc_font_get_glyph(PANGO_FC_FONT(font), glyph);
if (!pglyph) {
fprintf (stderr, "Error: Unable to find glyph %d.\n", glyph);
if (!pglyph)
pglyph = pango_fc_font_get_glyph(PANGO_FC_FONT(font), glyph);
if (!pglyph)
pglyph = PANGO_GET_UNKNOWN_GLYPH (glyph);
if (!pglyph)
return NULL;
}
pango_font_get_glyph_extents(font, pglyph, &ink, &logical);
ascent = PANGO_ASCENT(logical);
descent = PANGO_DESCENT(logical);
xftfont = pango_xft_font_get_font(font);
x_offset = 0;
nominal_width = cache->width;
if (g_unichar_iswide(glyph))
nominal_width *= 2;
scale_x = scale_y = 1.0;
if (logical.width > nominal_width) {
if (logical.width)
scale_x = (double)nominal_width / (double)logical.width;
else
scale_x = 1.0;
}
if (logical.height != cache->height) {
double scale;
if (ascent) {
scale_y = (double)cache->ascent / (double)ascent;
} else {
scale_y = 1.0;
}
if (descent) {
scale = (double)cache->descent / (double)descent;
if (scale < scale_y)
scale_y = scale;
}
}
if (scale_x >= 1.0) {
scale_x = 1.0;
x_offset += (nominal_width - logical.width) / 2;
}
if (scale_x < 1.0 || scale_y != 1.0) {
FcBool scalable;
FcPatternGetBool(xftfont->pattern, FC_SCALABLE, 0, &scalable);
if (!scalable) {
/* Bah. Need better handling of non-scalable fonts */
if (scale_x < 1.0) scale_x = 1.0;
scale_y = 1.0;
} else if (scale_x < 1.0 || scale_y != 1.0) {
FcPattern *pattern;
FcMatrix mat;
pattern = FcPatternDuplicate(xftfont->pattern);
FcMatrixInit (&mat);
FcMatrixScale(&mat, scale_x, scale_y);
FcPatternDel (pattern, FC_MATRIX);
FcPatternAddMatrix(pattern, FC_MATRIX, &mat);
xftfont = XftFontOpenPattern(
GDK_DISPLAY_XDISPLAY(cache->display),
pattern
);
}
ascent = ascent * scale_y;
}
g_object_unref(font);
// gfi = calloc(sizeof(TGlyphInfo), 1);
gfi = g_slice_new(TGlyphInfo);
gfi->font = xftfont;
gfi->x_offset = PANGO_PIXELS(x_offset);
gfi->y_offset = cache->ascent + (cache->ascent - ascent);
gfi->y_offset = PANGO_PIXELS(gfi->y_offset);
g_hash_table_insert(cache->hash, GINT_TO_POINTER(glyph), gfi);
return gfi;
}
/* Constructor of the object : it allocates memory and initializes the member
* of the new object.
* The user must give the FcPattern of the font or the master (which may be NULL
* in which case the character map will be empty).
*/
__GLCcharMap* __glcCharMapCreate(const __GLCmaster* inMaster,
const __GLCcontext* inContext)
{
__GLCcharMap* This = NULL;
assert(inContext);
This = (__GLCcharMap*)__glcMalloc(sizeof(__GLCcharMap));
if (!This) {
__glcRaiseError(GLC_RESOURCE_ERROR);
return NULL;
}
memset(This, 0, sizeof(__GLCcharMap));
This->charSet = FcCharSetCreate();
if (!This->charSet) {
__glcRaiseError(GLC_RESOURCE_ERROR);
__glcFree(This);
return NULL;
}
if (inMaster) {
FcCharSet* charSet = NULL;
FcFontSet* fontSet = NULL;
int i = 0;
FcObjectSet* objectSet = NULL;
FcPattern* pattern = FcPatternCreate();
if (!pattern) {
__glcRaiseError(GLC_RESOURCE_ERROR);
FcCharSetDestroy(This->charSet);
__glcFree(This);
return NULL;
}
objectSet = FcObjectSetBuild(FC_FAMILY, FC_FOUNDRY, FC_SPACING, FC_OUTLINE,
FC_CHARSET, NULL);
if (!objectSet) {
__glcRaiseError(GLC_RESOURCE_ERROR);
FcPatternDestroy(pattern);
FcCharSetDestroy(This->charSet);
__glcFree(This);
return NULL;
}
fontSet = FcFontList(inContext->config, pattern, objectSet);
FcObjectSetDestroy(objectSet);
FcPatternDestroy(pattern);
if (!fontSet) {
__glcRaiseError(GLC_RESOURCE_ERROR);
FcCharSetDestroy(This->charSet);
__glcFree(This);
return NULL;
}
for (i = 0; i < fontSet->nfont; i++) {
FcChar8* family = NULL;
int fixed = 0;
FcChar8* foundry = NULL;
FcBool outline = FcFalse;
FcBool equal = FcFalse;
#ifdef DEBUGMODE
FcResult result = FcResultMatch;
result = FcPatternGetBool(fontSet->fonts[i], FC_OUTLINE, 0, &outline);
assert(result != FcResultTypeMismatch);
#else
FcPatternGetBool(fontSet->fonts[i], FC_OUTLINE, 0, &outline);
#endif
/* Check whether the glyphs are outlines */
if (!outline)
continue;
#ifdef DEBUGMODE
result = FcPatternGetString(fontSet->fonts[i], FC_FAMILY, 0, &family);
assert(result != FcResultTypeMismatch);
result = FcPatternGetString(fontSet->fonts[i], FC_FOUNDRY, 0, &foundry);
assert(result != FcResultTypeMismatch);
result = FcPatternGetInteger(fontSet->fonts[i], FC_SPACING, 0, &fixed);
assert(result != FcResultTypeMismatch);
#else
FcPatternGetString(fontSet->fonts[i], FC_FAMILY, 0, &family);
FcPatternGetString(fontSet->fonts[i], FC_FOUNDRY, 0, &foundry);
FcPatternGetInteger(fontSet->fonts[i], FC_SPACING, 0, &fixed);
#endif
if (foundry)
pattern = FcPatternBuild(NULL, FC_FAMILY, FcTypeString, family,
FC_FOUNDRY, FcTypeString, foundry, FC_SPACING,
FcTypeInteger, fixed, NULL);
else
pattern = FcPatternBuild(NULL, FC_FAMILY, FcTypeString, family,
FC_SPACING, FcTypeInteger, fixed, NULL);
if (!pattern) {
__glcRaiseError(GLC_RESOURCE_ERROR);
FcCharSetDestroy(This->charSet);
FcFontSetDestroy(fontSet);
__glcFree(This);
return NULL;
}
equal = FcPatternEqual(pattern, inMaster->pattern);
FcPatternDestroy(pattern);
if (equal) {
FcCharSet* newCharSet = NULL;
#ifdef DEBUGMODE
result = FcPatternGetCharSet(fontSet->fonts[i], FC_CHARSET, 0,
&charSet);
assert(result != FcResultTypeMismatch);
#else
FcPatternGetCharSet(fontSet->fonts[i], FC_CHARSET, 0, &charSet);
#endif
newCharSet = FcCharSetUnion(This->charSet, charSet);
if (!newCharSet) {
__glcRaiseError(GLC_RESOURCE_ERROR);
FcCharSetDestroy(This->charSet);
FcFontSetDestroy(fontSet);
__glcFree(This);
return NULL;
}
FcCharSetDestroy(This->charSet);
This->charSet = newCharSet;
}
}
FcFontSetDestroy(fontSet);
}
/* The array 'map' will contain the actual character map */
This->map = __glcArrayCreate(sizeof(__GLCcharMapElement));
if (!This->map) {
FcCharSetDestroy(This->charSet);
__glcFree(This);
return NULL;
}
return This;
}
void WebFontInfo::fallbackFontForChar(WebUChar32 c, const char* preferredLocale, WebFallbackFont* fallbackFont)
{
FcCharSet* cset = FcCharSetCreate();
FcCharSetAddChar(cset, c);
FcPattern* pattern = FcPatternCreate();
FcValue fcvalue;
fcvalue.type = FcTypeCharSet;
fcvalue.u.c = cset;
FcPatternAdd(pattern, FC_CHARSET, fcvalue, FcFalse);
fcvalue.type = FcTypeBool;
fcvalue.u.b = FcTrue;
FcPatternAdd(pattern, FC_SCALABLE, fcvalue, FcFalse);
if (preferredLocale) {
FcLangSet* langset = FcLangSetCreate();
FcLangSetAdd(langset, reinterpret_cast<const FcChar8 *>(preferredLocale));
FcPatternAddLangSet(pattern, FC_LANG, langset);
FcLangSetDestroy(langset);
}
FcConfigSubstitute(0, pattern, FcMatchPattern);
FcDefaultSubstitute(pattern);
FcResult result;
FcFontSet* fontSet = FcFontSort(0, pattern, 0, 0, &result);
FcPatternDestroy(pattern);
FcCharSetDestroy(cset);
if (!fontSet) {
fallbackFont->name = WebCString();
fallbackFont->isBold = false;
fallbackFont->isItalic = false;
return;
}
// Older versions of fontconfig have a bug where they cannot select
// only scalable fonts so we have to manually filter the results.
for (int i = 0; i < fontSet->nfont; ++i) {
FcPattern* current = fontSet->fonts[i];
FcBool isScalable;
if (FcPatternGetBool(current, FC_SCALABLE, 0, &isScalable) != FcResultMatch
|| !isScalable)
continue;
// fontconfig can also return fonts which are unreadable
FcChar8* cFilename;
if (FcPatternGetString(current, FC_FILE, 0, &cFilename) != FcResultMatch)
continue;
if (access(reinterpret_cast<char*>(cFilename), R_OK))
continue;
const char* fontFilename = reinterpret_cast<char*>(cFilename);
fallbackFont->filename = WebCString(fontFilename, strlen(fontFilename));
// Index into font collection.
int ttcIndex;
if (FcPatternGetInteger(current, FC_INDEX, 0, &ttcIndex) != FcResultMatch && ttcIndex < 0)
continue;
fallbackFont->ttcIndex = ttcIndex;
FcChar8* familyName;
if (FcPatternGetString(current, FC_FAMILY, 0, &familyName) == FcResultMatch) {
const char* charFamily = reinterpret_cast<char*>(familyName);
fallbackFont->name = WebCString(charFamily, strlen(charFamily));
}
int weight;
if (FcPatternGetInteger(current, FC_WEIGHT, 0, &weight) == FcResultMatch)
fallbackFont->isBold = weight >= FC_WEIGHT_BOLD;
else
fallbackFont->isBold = false;
int slant;
if (FcPatternGetInteger(current, FC_SLANT, 0, &slant) == FcResultMatch)
fallbackFont->isItalic = slant != FC_SLANT_ROMAN;
else
fallbackFont->isItalic = false;
FcFontSetDestroy(fontSet);
return;
}
FcFontSetDestroy(fontSet);
}
void property(string&& property, bool* dst) const {
FcBool b;
FcPatternGetBool(m_pattern, property.c_str(), 0, &b);
*dst = b;
}
const vlc_family_t *FontConfig_GetFamily( filter_t *p_filter, const char *psz_family )
{
filter_sys_t *p_sys = p_filter->p_sys;
char *psz_lc = ToLower( psz_family );
if( unlikely( !psz_lc ) )
return NULL;
vlc_family_t *p_family =
vlc_dictionary_value_for_key( &p_sys->family_map, psz_lc );
if( p_family != kVLCDictionaryNotFound )
{
free( psz_lc );
return p_family;
}
p_family = NewFamily( p_filter, psz_lc, &p_sys->p_families,
&p_sys->family_map, psz_lc );
free( psz_lc );
if( !p_family )
return NULL;
bool b_bold, b_italic;
for( int i = 0; i < 4; ++i )
{
switch( i )
{
case 0:
b_bold = false;
b_italic = false;
break;
case 1:
b_bold = true;
b_italic = false;
break;
case 2:
b_bold = false;
b_italic = true;
break;
case 3:
b_bold = true;
b_italic = true;
break;
}
int i_index = 0;
FcResult result = FcResultMatch;
FcPattern *pat, *p_pat;
FcChar8* val_s;
FcBool val_b;
char *psz_fontfile = NULL;
FcConfig* config = NULL;
/* Create a pattern and fill it */
pat = FcPatternCreate();
if (!pat) continue;
/* */
FcPatternAddString( pat, FC_FAMILY, (const FcChar8*) psz_family );
FcPatternAddBool( pat, FC_OUTLINE, FcTrue );
FcPatternAddInteger( pat, FC_SLANT, b_italic ? FC_SLANT_ITALIC : FC_SLANT_ROMAN );
FcPatternAddInteger( pat, FC_WEIGHT, b_bold ? FC_WEIGHT_EXTRABOLD : FC_WEIGHT_NORMAL );
/* */
FcDefaultSubstitute( pat );
if( !FcConfigSubstitute( config, pat, FcMatchPattern ) )
{
FcPatternDestroy( pat );
continue;
}
/* Find the best font for the pattern, destroy the pattern */
p_pat = FcFontMatch( config, pat, &result );
FcPatternDestroy( pat );
if( !p_pat || result == FcResultNoMatch ) continue;
/* Check the new pattern */
if( ( FcResultMatch != FcPatternGetBool( p_pat, FC_OUTLINE, 0, &val_b ) )
|| ( val_b != FcTrue ) )
{
FcPatternDestroy( p_pat );
continue;
}
if( FcResultMatch != FcPatternGetInteger( p_pat, FC_INDEX, 0, &i_index ) )
{
i_index = 0;
}
if( FcResultMatch != FcPatternGetString( p_pat, FC_FAMILY, 0, &val_s ) )
{
FcPatternDestroy( p_pat );
continue;
}
if( FcResultMatch == FcPatternGetString( p_pat, FC_FILE, 0, &val_s ) )
psz_fontfile = strdup( (const char*)val_s );
FcPatternDestroy( p_pat );
if( !psz_fontfile )
continue;
NewFont( psz_fontfile, i_index, b_bold, b_italic, p_family );
}
return p_family;
}
bool create(const QString &dir, CFontEngine &fe)
{
bool root(Misc::root()), added = false;
QString fmapDir(Misc::dirSyntax(root ? KFI_ROOT_CFG_DIR : dir));
CFile old(fmapDir);
QStringList entries;
int i;
FcPattern *pat = FcPatternCreate();
FcObjectSet *os = FcObjectSetBuild(FC_FILE, FC_SCALABLE, (void *)0);
FcFontSet *fs = FcFontList(0, pat, os);
FcPatternDestroy(pat);
FcObjectSetDestroy(os);
for(i = 0; i < fs->nfont; i++)
{
QString fName(Misc::fileSyntax(CFcEngine::getFcString(fs->fonts[i], FC_FILE)));
FcBool scalable = FcFalse;
if(!fName.isEmpty() && (root || dir.isEmpty() || 0 == fName.find(dir))
&& FcResultMatch == FcPatternGetBool(fs->fonts[i], FC_SCALABLE, 0, &scalable) && scalable)
{
const QStringList *existing = old.getEntries(fName);
if(existing && existing->count())
entries += (*existing);
else
{
int face = 0, numFaces = 0;
do
{
if(fe.openFont(fName, face))
{
if(fe.hasPsInfo())
{
if(0 == numFaces)
numFaces = fe.getNumFaces(); // Only really for TTC files...
//
// Add real
addEntry(entries, fe.getPsName(), fName, fmapDir);
added = true;
//
// Add fake entries for X11 generated names
switch(fe.getWeight())
{
case CFontEngine::WEIGHT_MEDIUM:
case CFontEngine::WEIGHT_REGULAR:
{
QString x11Ps(createX11PsName(fe.getFamilyName()));
if(CFontEngine::ITALIC_ITALIC != fe.getItalic() && CFontEngine::ITALIC_OBLIQUE != fe.getItalic())
addAliasEntry(entries, createName(x11Ps, "Roman", getItalicStr(fe.getItalic())), fe.getPsName());
addAliasEntry(entries, createName(x11Ps, NULL, getItalicStr(fe.getItalic())), fe.getPsName());
break;
}
case CFontEngine::WEIGHT_UNKNOWN:
break;
default:
addAliasEntry(entries, createName(createX11PsName(fe.getFamilyName()), CFontEngine::weightStr(fe.getWeight()),
getItalicStr(fe.getItalic())),
fe.getPsName());
}
}
fe.closeFont();
}
} while(++face < numFaces);
}
}
}
bool status = true;
if(added || entries.count() != old.getLineCount())
{
KSaveFile out(fmapDir + FONTMAP);
QTextStream *stream = out.textStream();
if(stream)
{
QStringList::Iterator it;
for(it = entries.begin(); it != entries.end(); ++it)
*stream << *it << endl;
}
else
status = false;
}
//
// Ensure GS's main Fontmap references our file...
if(root && status)
{
static const char *constGhostscriptDirs[] = {"/usr/share/ghostscript/", "/usr/local/share/ghostscript/", "/usr/share/gs-esp/", NULL};
QString gsFile = locateFile(FONTMAP, constGhostscriptDirs);
if(!gsFile.isEmpty())
{
const int constMaxLineLen = 1024;
const char *constRLF = ".runlibfile";
char line[constMaxLineLen];
ifstream in(QFile::encodeName(gsFile));
if(in)
{
QCString fmap(QFile::encodeName(fmapDir + FONTMAP));
int lineNum = 0, kfiLine = -1, gsLine = -1, ncLine = -1;
do
{
in.getline(line, constMaxLineLen);
if(in.good())
{
line[constMaxLineLen - 1] = '\0';
if(strstr(line, fmap.data()) != NULL && strstr(line, constRLF) != NULL)
kfiLine = lineNum;
else if(strstr(line, FONTMAP ".GS") != NULL && strstr(line, constRLF) != NULL)
gsLine = lineNum;
if(-1 == ncLine && '%' != line[0])
ncLine = lineNum;
lineNum++;
}
} while(!in.eof() && (-1 == kfiLine || -1 == gsLine));
//
// If the file doesn't already say to use our Fontmap file, then tell it to!
// Also, ensure ours is .runlibfile'd before the main GS one - else problems can occur
if(-1 == kfiLine || kfiLine > gsLine)
{
in.clear();
in.seekg(0, ios::end);
int size = (streamoff)in.tellg();
in.seekg(0, ios::beg);
char *buffer = new char[size + strlen(fmap) + strlen(constRLF) + 5];
if(buffer)
{
bool added = false;
buffer[0] = '\0';
lineNum = 0;
do
{
in.getline(line, constMaxLineLen);
if(in.good())
{
line[constMaxLineLen - 1] = '\0';
if(lineNum >= ncLine && !added)
{
strcat(buffer, "(");
strcat(buffer, fmap);
strcat(buffer, ") ");
strcat(buffer, constRLF);
strcat(buffer, "\n");
added = true;
}
if(lineNum != kfiLine)
{
strcat(buffer, line);
strcat(buffer, "\n");
}
lineNum++;
}
} while(!in.eof());
in.close();
if(added) // Don't re-write GS's Fontmap unless we've actually added something...
{
KSaveFile out(gsFile);
QTextStream *stream = out.textStream();
if(stream)
*stream << buffer;
}
delete[] buffer;
}
}
}
}
}
return status;
}
void WebFontInfo::renderStyleForStrike(const char* family, int sizeAndStyle, WebFontRenderStyle* out)
{
bool isBold = sizeAndStyle & 1;
bool isItalic = sizeAndStyle & 2;
int pixelSize = sizeAndStyle >> 2;
FcPattern* pattern = FcPatternCreate();
FcValue fcvalue;
fcvalue.type = FcTypeString;
fcvalue.u.s = reinterpret_cast<const FcChar8 *>(family);
FcPatternAdd(pattern, FC_FAMILY, fcvalue, FcFalse);
fcvalue.type = FcTypeInteger;
fcvalue.u.i = isBold ? FC_WEIGHT_BOLD : FC_WEIGHT_NORMAL;
FcPatternAdd(pattern, FC_WEIGHT, fcvalue, FcFalse);
fcvalue.type = FcTypeInteger;
fcvalue.u.i = isItalic ? FC_SLANT_ITALIC : FC_SLANT_ROMAN;
FcPatternAdd(pattern, FC_SLANT, fcvalue, FcFalse);
fcvalue.type = FcTypeBool;
fcvalue.u.b = FcTrue;
FcPatternAdd(pattern, FC_SCALABLE, fcvalue, FcFalse);
fcvalue.type = FcTypeDouble;
fcvalue.u.d = pixelSize;
FcPatternAdd(pattern, FC_SIZE, fcvalue, FcFalse);
FcConfigSubstitute(0, pattern, FcMatchPattern);
FcDefaultSubstitute(pattern);
FcResult result;
// Some versions of fontconfig don't actually write a value into result.
// However, it's not clear from the documentation if result should be a
// non-0 pointer: future versions might expect to be able to write to
// it. So we pass in a valid pointer and ignore it.
FcPattern* match = FcFontMatch(0, pattern, &result);
FcPatternDestroy(pattern);
out->setDefaults();
if (!match)
return;
FcBool b;
int i;
if (FcPatternGetBool(match, FC_ANTIALIAS, 0, &b) == FcResultMatch)
out->useAntiAlias = b;
if (FcPatternGetBool(match, FC_EMBEDDED_BITMAP, 0, &b) == FcResultMatch)
out->useBitmaps = b;
if (FcPatternGetBool(match, FC_AUTOHINT, 0, &b) == FcResultMatch)
out->useAutoHint = b;
if (FcPatternGetBool(match, FC_HINTING, 0, &b) == FcResultMatch)
out->useHinting = b;
if (FcPatternGetInteger(match, FC_HINT_STYLE, 0, &i) == FcResultMatch)
out->hintStyle = i;
if (FcPatternGetInteger(match, FC_RGBA, 0, &i) == FcResultMatch) {
switch (i) {
case FC_RGBA_NONE:
out->useSubpixel = 0;
break;
case FC_RGBA_RGB:
case FC_RGBA_BGR:
case FC_RGBA_VRGB:
case FC_RGBA_VBGR:
out->useSubpixel = 1;
break;
default:
// This includes FC_RGBA_UNKNOWN.
out->useSubpixel = 2;
break;
}
}
FcPatternDestroy(match);
}
static void
apply_xft_settings (struct x_display_info *dpyinfo,
struct xsettings *settings)
{
#ifdef HAVE_XFT
FcPattern *pat;
struct xsettings oldsettings;
bool changed = false;
memset (&oldsettings, 0, sizeof (oldsettings));
pat = FcPatternCreate ();
XftDefaultSubstitute (dpyinfo->display,
XScreenNumberOfScreen (dpyinfo->screen),
pat);
FcPatternGetBool (pat, FC_ANTIALIAS, 0, &oldsettings.aa);
FcPatternGetBool (pat, FC_HINTING, 0, &oldsettings.hinting);
#ifdef FC_HINT_STYLE
FcPatternGetInteger (pat, FC_HINT_STYLE, 0, &oldsettings.hintstyle);
#endif
FcPatternGetInteger (pat, FC_LCD_FILTER, 0, &oldsettings.lcdfilter);
FcPatternGetInteger (pat, FC_RGBA, 0, &oldsettings.rgba);
FcPatternGetDouble (pat, FC_DPI, 0, &oldsettings.dpi);
if ((settings->seen & SEEN_AA) != 0 && oldsettings.aa != settings->aa)
{
FcPatternDel (pat, FC_ANTIALIAS);
FcPatternAddBool (pat, FC_ANTIALIAS, settings->aa);
changed = true;
oldsettings.aa = settings->aa;
}
if ((settings->seen & SEEN_HINTING) != 0
&& oldsettings.hinting != settings->hinting)
{
FcPatternDel (pat, FC_HINTING);
FcPatternAddBool (pat, FC_HINTING, settings->hinting);
changed = true;
oldsettings.hinting = settings->hinting;
}
if ((settings->seen & SEEN_RGBA) != 0 && oldsettings.rgba != settings->rgba)
{
FcPatternDel (pat, FC_RGBA);
FcPatternAddInteger (pat, FC_RGBA, settings->rgba);
oldsettings.rgba = settings->rgba;
changed = true;
}
/* Older fontconfig versions don't have FC_LCD_FILTER. */
if ((settings->seen & SEEN_LCDFILTER) != 0
&& oldsettings.lcdfilter != settings->lcdfilter)
{
FcPatternDel (pat, FC_LCD_FILTER);
FcPatternAddInteger (pat, FC_LCD_FILTER, settings->lcdfilter);
changed = true;
oldsettings.lcdfilter = settings->lcdfilter;
}
#ifdef FC_HINT_STYLE
if ((settings->seen & SEEN_HINTSTYLE) != 0
&& oldsettings.hintstyle != settings->hintstyle)
{
FcPatternDel (pat, FC_HINT_STYLE);
FcPatternAddInteger (pat, FC_HINT_STYLE, settings->hintstyle);
changed = true;
oldsettings.hintstyle = settings->hintstyle;
}
#endif
if ((settings->seen & SEEN_DPI) != 0 && oldsettings.dpi != settings->dpi
&& settings->dpi > 0)
{
FcPatternDel (pat, FC_DPI);
FcPatternAddDouble (pat, FC_DPI, settings->dpi);
changed = true;
oldsettings.dpi = settings->dpi;
/* Changing the DPI on this display affects all frames on it.
Check FRAME_RES_X and FRAME_RES_Y in frame.h to see how. */
dpyinfo->resy = dpyinfo->resx = settings->dpi;
}
if (changed)
{
static char const format[] =
"Antialias: %d, Hinting: %d, RGBA: %d, LCDFilter: %d, "
"Hintstyle: %d, DPI: %f";
enum
{
d_formats = 5,
d_growth = INT_BUFSIZE_BOUND (int) - sizeof "%d",
lf_formats = 1,
max_f_integer_digits = DBL_MAX_10_EXP + 1,
f_precision = 6,
lf_growth = (sizeof "-." + max_f_integer_digits + f_precision
- sizeof "%f")
};
char buf[sizeof format + d_formats * d_growth + lf_formats * lf_growth];
XftDefaultSet (dpyinfo->display, pat);
store_config_changed_event (Qfont_render,
XCAR (dpyinfo->name_list_element));
Vxft_settings
= make_formatted_string (buf, format,
oldsettings.aa, oldsettings.hinting,
oldsettings.rgba, oldsettings.lcdfilter,
oldsettings.hintstyle, oldsettings.dpi);
}
else
FcPatternDestroy (pat);
#endif /* HAVE_XFT */
}
static int pattern_compare (const void *arg1, const void *arg2, void *arg3)
{
const FcPattern *p1 = *(FcPattern * const *)arg1;
const FcPattern *p2 = *(FcPattern * const *)arg2;
const char **el = (const char **)arg3;
FcChar8 *string1, *string2;
int int1, int2;
FcBool bool1, bool2;
FcLangSet *langset1, *langset2;
double double1, double2;
int ret = 0;
while (*el)
{
/* string */
if (!strcmp(*el, FC_FAMILY) || !strcmp(*el, FC_STYLE) || !strcmp(*el, FC_FONTFORMAT))
{
if (FcPatternGetString (p1, *el, 0, &string1) == FcResultMatch &&
FcPatternGetString (p2, *el, 0, &string2) == FcResultMatch)
ret = strings_compare((char *)string1, (char *)string2);
}
/* integer */
else if (!strcmp(*el, FC_WEIGHT) || !strcmp(*el, FC_WIDTH) ||
!strcmp(*el, FC_SLANT) || !strcmp(*el, FC_SPACING))
{
if (FcPatternGetInteger(p1, *el, 0, &int1) == FcResultMatch &&
FcPatternGetInteger(p2, *el, 0, &int2) == FcResultMatch)
ret = int2 - int1;
}
/* bool */
else if (!strcmp(*el, FC_SCALABLE) || !strcmp(*el, FC_DECORATIVE))
{
if (FcPatternGetBool(p1, *el, 0, &bool1) == FcResultMatch &&
FcPatternGetBool(p1, *el, 0, &bool2) == FcResultMatch)
ret = bool2 - bool1;
}
/* double */
else if (!strcmp(*el, FC_PIXEL_SIZE))
{
if (FcPatternGetDouble(p1, *el, 0, &double1) == FcResultMatch &&
FcPatternGetDouble(p2, *el, 0, &double2) == FcResultMatch)
ret = fabs(double1 - SIZE_MEAN) - fabs(double2 - SIZE_MEAN);
}
/* lang set */
else if (!strcmp(*el, FC_LANG))
{
/* to choose size of bitmap font which supports widest range of langs */
/* maybe charset would be better? */
if (FcPatternGetLangSet(p1, *el, 0, &langset1) == FcResultMatch &&
FcPatternGetLangSet(p2, *el, 0, &langset2) == FcResultMatch)
{
ret = 0;
if (FcLangSetContains(langset1, langset2))
ret = -1;
if (FcLangSetContains(langset2, langset1))
{
if (ret == -1)
ret = 0; /* langset1 <= langset2 & langset1 >= langset2 */
else
ret = 1;
}
}
}
if (ret)
break;
el++;
}
return ret;
}
static int parse_font(AVFilterContext *ctx)
{
DrawTextContext *s = ctx->priv;
#if !CONFIG_LIBFONTCONFIG
if (!s->fontfile) {
av_log(ctx, AV_LOG_ERROR, "No font filename provided\n");
return AVERROR(EINVAL);
}
return 0;
#else
FcPattern *pat, *best;
FcResult result = FcResultMatch;
FcBool fc_bool;
FcChar8* fc_string;
int err = AVERROR(ENOENT);
if (s->fontfile)
return 0;
if (!FcInit())
return AVERROR_UNKNOWN;
if (!(pat = FcPatternCreate()))
return AVERROR(ENOMEM);
FcPatternAddString(pat, FC_FAMILY, s->font);
FcPatternAddBool(pat, FC_OUTLINE, FcTrue);
FcPatternAddDouble(pat, FC_SIZE, (double)s->fontsize);
FcDefaultSubstitute(pat);
if (!FcConfigSubstitute(NULL, pat, FcMatchPattern)) {
FcPatternDestroy(pat);
return AVERROR(ENOMEM);
}
best = FcFontMatch(NULL, pat, &result);
FcPatternDestroy(pat);
if (!best || result == FcResultNoMatch) {
av_log(ctx, AV_LOG_ERROR,
"Cannot find a valid font for the family %s\n",
s->font);
goto fail;
}
if (FcPatternGetBool(best, FC_OUTLINE, 0, &fc_bool) != FcResultMatch ||
!fc_bool) {
av_log(ctx, AV_LOG_ERROR, "Outline not available for %s\n",
s->font);
goto fail;
}
if (FcPatternGetString(best, FC_FAMILY, 0, &fc_string) != FcResultMatch) {
av_log(ctx, AV_LOG_ERROR, "No matches for %s\n",
s->font);
goto fail;
}
if (FcPatternGetString(best, FC_FILE, 0, &fc_string) != FcResultMatch) {
av_log(ctx, AV_LOG_ERROR, "No file path for %s\n",
s->font);
goto fail;
}
s->fontfile = av_strdup(fc_string);
if (!s->fontfile)
err = AVERROR(ENOMEM);
else
err = 0;
fail:
FcPatternDestroy(best);
return err;
#endif
}
/**
* \brief Low-level font selection.
* \param priv private data
* \param family font family
* \param bold font weight value
* \param italic font slant value
* \param index out: font index inside a file
* \param code: the character that should be present in the font, can be 0
* \return font file path
*/
static char* _select_font(fc_instance_t* priv, const char* family, unsigned bold, unsigned italic, int* index,
uint32_t code)
{
FcBool rc;
FcResult result;
FcPattern *pat = NULL, *rpat = NULL;
int r_index, r_slant, r_weight;
FcChar8 *r_family, *r_style, *r_file, *r_fullname;
FcBool r_outline, r_embolden;
FcCharSet* r_charset;
FcFontSet* fset = NULL;
int curf;
char* retval = NULL;
int family_cnt;
*index = 0;
pat = FcPatternCreate();
if (!pat)
goto error;
FcPatternAddString(pat, FC_FAMILY, (const FcChar8*)family);
// In SSA/ASS fonts are sometimes referenced by their "full name",
// which is usually a concatenation of family name and font
// style (ex. Ottawa Bold). Full name is available from
// FontConfig pattern element FC_FULLNAME, but it is never
// used for font matching.
// Therefore, I'm removing words from the end of the name one
// by one, and adding shortened names to the pattern. It seems
// that the first value (full name in this case) has
// precedence in matching.
// An alternative approach could be to reimplement FcFontSort
// using FC_FULLNAME instead of FC_FAMILY.
family_cnt = 1;
{
char* s = strdup(family);
char* p = s + strlen(s);
while (--p > s)
if (*p == ' ' || *p == '-') {
*p = '\0';
FcPatternAddString(pat, FC_FAMILY, (const FcChar8*)s);
++ family_cnt;
}
free(s);
}
FcPatternAddBool(pat, FC_OUTLINE, FcTrue);
FcPatternAddInteger(pat, FC_SLANT, italic);
FcPatternAddInteger(pat, FC_WEIGHT, bold);
FcDefaultSubstitute(pat);
rc = FcConfigSubstitute(priv->config, pat, FcMatchPattern);
if (!rc)
goto error;
fset = FcFontSort(priv->config, pat, FcTrue, NULL, &result);
if (!fset)
goto error;
for (curf = 0; curf < fset->nfont; ++curf) {
FcPattern* curp = fset->fonts[curf];
result = FcPatternGetBool(curp, FC_OUTLINE, 0, &r_outline);
if (result != FcResultMatch)
continue;
if (r_outline != FcTrue)
continue;
if (!code)
break;
result = FcPatternGetCharSet(curp, FC_CHARSET, 0, &r_charset);
if (result != FcResultMatch)
continue;
if (FcCharSetHasChar(r_charset, code))
break;
}
if (curf >= fset->nfont)
goto error;
#if (FC_VERSION >= 20297)
// Remove all extra family names from original pattern.
// After this, FcFontRenderPrepare will select the most relevant family
// name in case there are more than one of them.
for (; family_cnt > 1; --family_cnt)
FcPatternRemove(pat, FC_FAMILY, family_cnt - 1);
#endif
rpat = FcFontRenderPrepare(priv->config, pat, fset->fonts[curf]);
if (!rpat)
goto error;
result = FcPatternGetInteger(rpat, FC_INDEX, 0, &r_index);
if (result != FcResultMatch)
goto error;
*index = r_index;
result = FcPatternGetString(rpat, FC_FILE, 0, &r_file);
if (result != FcResultMatch)
goto error;
retval = strdup((const char*)r_file);
result = FcPatternGetString(rpat, FC_FAMILY, 0, &r_family);
if (result != FcResultMatch)
r_family = NULL;
result = FcPatternGetString(rpat, FC_FULLNAME, 0, &r_fullname);
if (result != FcResultMatch)
r_fullname = NULL;
if (!(r_family && strcasecmp((const char*)r_family, family) == 0) &&
!(r_fullname && strcasecmp((const char*)r_fullname, family) == 0))
mp_msg(MSGT_ASS, MSGL_WARN, MSGTR_LIBASS_SelectedFontFamilyIsNotTheRequestedOne,
(const char*)(r_fullname ? r_fullname : r_family), family);
result = FcPatternGetString(rpat, FC_STYLE, 0, &r_style);
if (result != FcResultMatch)
r_style = NULL;
result = FcPatternGetInteger(rpat, FC_SLANT, 0, &r_slant);
if (result != FcResultMatch)
r_slant = 0;
result = FcPatternGetInteger(rpat, FC_WEIGHT, 0, &r_weight);
if (result != FcResultMatch)
r_weight = 0;
result = FcPatternGetBool(rpat, FC_EMBOLDEN, 0, &r_embolden);
if (result != FcResultMatch)
r_embolden = 0;
mp_msg(MSGT_ASS, MSGL_V, "[ass] Font info: family '%s', style '%s', fullname '%s',"
" slant %d, weight %d%s\n",
(const char*)r_family, (const char*)r_style, (const char*)r_fullname,
r_slant, r_weight, r_embolden ? ", embolden" : "");
error:
if (pat) FcPatternDestroy(pat);
if (rpat) FcPatternDestroy(rpat);
if (fset) FcFontSetDestroy(fset);
return retval;
}
void SkScalerContext_CairoFT::parsePattern(FcPattern* pattern)
{
FcBool antialias, autohint, bitmap, embolden, hinting, vertical;
if (FcPatternGetBool(pattern, FC_AUTOHINT, 0, &autohint) == FcResultMatch && autohint) {
fRec.fFlags |= SkScalerContext::kForceAutohinting_Flag;
}
if (FcPatternGetBool(pattern, FC_EMBEDDED_BITMAP, 0, &bitmap) == FcResultMatch && bitmap) {
fRec.fFlags |= SkScalerContext::kEmbeddedBitmapText_Flag;
}
if (FcPatternGetBool(pattern, FC_EMBOLDEN, 0, &embolden) == FcResultMatch && embolden) {
fRec.fFlags |= SkScalerContext::kEmbolden_Flag;
}
if (FcPatternGetBool(pattern, FC_VERTICAL_LAYOUT, 0, &vertical) == FcResultMatch && vertical) {
fRec.fFlags |= SkScalerContext::kVertical_Flag;
}
if (fRec.fMaskFormat != SkMask::kBW_Format &&
(FcPatternGetBool(pattern, FC_ANTIALIAS, 0, &antialias) != FcResultMatch || antialias)) {
int rgba;
if (!isLCD(fRec) ||
FcPatternGetInteger(pattern, FC_RGBA, 0, &rgba) != FcResultMatch) {
rgba = FC_RGBA_UNKNOWN;
}
switch (rgba) {
case FC_RGBA_RGB:
break;
case FC_RGBA_BGR:
fRec.fFlags |= SkScalerContext::kLCD_BGROrder_Flag;
break;
case FC_RGBA_VRGB:
fRec.fFlags |= SkScalerContext::kLCD_Vertical_Flag;
break;
case FC_RGBA_VBGR:
fRec.fFlags |= SkScalerContext::kLCD_Vertical_Flag |
SkScalerContext::kLCD_BGROrder_Flag;
break;
default:
fRec.fMaskFormat = SkMask::kA8_Format;
break;
}
int filter;
if (isLCD(fRec)) {
if (FcPatternGetInteger(pattern, FC_LCD_FILTER, 0, &filter) != FcResultMatch) {
filter = FC_LCD_LEGACY;
}
switch (filter) {
case FC_LCD_NONE:
fLcdFilter = FT_LCD_FILTER_NONE;
break;
case FC_LCD_DEFAULT:
fLcdFilter = FT_LCD_FILTER_DEFAULT;
break;
case FC_LCD_LIGHT:
fLcdFilter = FT_LCD_FILTER_LIGHT;
break;
case FC_LCD_LEGACY:
default:
fLcdFilter = FT_LCD_FILTER_LEGACY;
break;
}
}
} else {
fRec.fMaskFormat = SkMask::kBW_Format;
}
if (fRec.getHinting() != SkPaint::kNo_Hinting &&
(FcPatternGetBool(pattern, FC_HINTING, 0, &hinting) != FcResultMatch || hinting)) {
int hintstyle;
if (FcPatternGetInteger(pattern, FC_HINT_STYLE, 0, &hintstyle) != FcResultMatch) {
hintstyle = FC_HINT_FULL;
}
switch (hintstyle) {
case FC_HINT_NONE:
fRec.setHinting(SkPaint::kNo_Hinting);
break;
case FC_HINT_SLIGHT:
fRec.setHinting(SkPaint::kSlight_Hinting);
break;
case FC_HINT_MEDIUM:
default:
fRec.setHinting(SkPaint::kNormal_Hinting);
break;
case FC_HINT_FULL:
fRec.setHinting(SkPaint::kFull_Hinting);
break;
}
}
}
