void property(string&& property, int* dst) const {
FcPatternGetInteger(m_pattern, property.c_str(), 0, dst);
}
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);
if (familyName == QLatin1String("Open Sans")) {
FcChar8 *styl = 0;
if (FcPatternGetString(pattern, FC_STYLE, 0, &styl) == FcResultMatch) {
QString style = QString::fromUtf8(reinterpret_cast<const char *>(styl));
if (style == QLatin1String("Semibold")) {
familyName.append(QChar(QChar::Space)).append(style);
}
}
}
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));
}
void find_font(font & f, std::string const& name, int height, int weight, int style)
{
// FIXME: shouldn't require fonts to be empty
BOOST_ASSERT(!f);
FcValue fcval;
// build pattern
FcPattern * pattern = FcPatternCreate();
// typeface name
fcval.type = FcTypeString;
fcval.u.s = (FcChar8 const*) name.c_str();
FcPatternAdd(pattern, FC_FAMILY, fcval, FcTrue);
// pixel size
fcval.type = FcTypeInteger;
fcval.u.i = height;
FcPatternAdd(pattern, FC_PIXEL_SIZE, fcval, FcTrue);
// italic
if (style & font_style::italic)
{
fcval.type = FcTypeInteger;
fcval.u.i = FC_SLANT_ITALIC;
FcPatternAdd(pattern, FC_SLANT, fcval, FcTrue);
}
// weight
fcval.type = FcTypeInteger;
switch (weight)
{
case font_weight::thin: fcval.u.i = FC_WEIGHT_THIN; break;
case font_weight::extra_light: fcval.u.i = FC_WEIGHT_EXTRALIGHT; break;
case font_weight::light: fcval.u.i = FC_WEIGHT_LIGHT; break;
case font_weight::normal: fcval.u.i = FC_WEIGHT_NORMAL; break;
case font_weight::medium: fcval.u.i = FC_WEIGHT_MEDIUM; break;
case font_weight::semi_bold: fcval.u.i = FC_WEIGHT_SEMIBOLD; break;
case font_weight::bold: fcval.u.i = FC_WEIGHT_BOLD; break;
case font_weight::ultra_bold: fcval.u.i = FC_WEIGHT_ULTRABOLD; break;
case font_weight::heavy: fcval.u.i = FC_WEIGHT_HEAVY; break;
default: fcval.u.i = FC_WEIGHT_NORMAL; break;
};
FcPatternAdd(pattern, FC_WEIGHT, fcval, FcTrue);
// transform pattern
FcConfigSubstitute(NULL, pattern, FcMatchPattern);
FcDefaultSubstitute(pattern);
FcResult res;
FcPattern * real_pattern = FcFontMatch(NULL, pattern, &res);
FcPatternDestroy(pattern);
// get filename
if (real_pattern)
{
char * fname;
int id;
FcPatternGetString(real_pattern, FC_FILE, 0, (FcChar8 **) &fname);
FcPatternGetInteger(real_pattern, FC_INDEX, 0, &id);
// load font
FT_Face face;
if (FT_New_Face(::ftlib, fname, id, &face))
return;
FcPatternDestroy(real_pattern);
// create font
ft_font_extra * extra = static_cast<ft_font_extra *>(f.extra_data);
extra->face = face;
FT_Set_Pixel_Sizes(face, 0, height);
// get avg char width/height
point pt = detail::font_units_to_pixels(face, face->max_advance_width, face->max_advance_height);
extra->width = pt.x;
extra->height = pt.y;
pt = detail::font_units_to_pixels(face, 0, face->ascender);
extra->ascender = pt.y;
pt = detail::font_units_to_pixels(face, 0, face->descender);
extra->descender = pt.y;
}
}
int PsychRebuildFont(void)
{
// Destroy old font object, if any:
if (faceT || faceM) {
// Delete OGLFT face object:
if (faceT) delete(faceT);
faceT = NULL;
if (faceM) delete(faceM);
faceM = NULL;
if (_verbosity > 3) fprintf(stderr, "libptbdrawtext_ftgl: Destroying old font face...\n");
// Delete underlying FreeType representation:
FT_Done_Face(ft_face);
ft_face = NULL;
}
if (_useOwnFontmapper) {
FcResult result;
FcPattern* target = NULL;
if (_fontName[0] == '-') {
// _fontName starts with a '-' dash: This is not a simple font family string but a special
// fontspec string in FontConfig's special format. It contains many possible required font
// properties encoded in the string. Parse it into a font matching pattern:
target = FcNameParse((FcChar8*) &(_fontName[1]));
// Need to manually add the current _fontSize, otherwise inconsistent stuff may happen:
FcPatternAddDouble(target, FC_PIXEL_SIZE, _fontSize);
}
else {
// _fontName contains only font family name: Build matching pattern based on _fontSize and
// the flags provided in _fontStyle, according to the conventions in Psychtoolbox Screen('TextStyle'):
target = FcPatternBuild (0, FC_FAMILY, FcTypeString, _fontName, FC_PIXEL_SIZE, FcTypeDouble, _fontSize,
FC_WEIGHT, FcTypeInteger, ((_fontStyle & 1) ? FC_WEIGHT_BOLD : FC_WEIGHT_NORMAL),
FC_SLANT, FcTypeInteger, ((_fontStyle & 2) ? FC_SLANT_ITALIC : FC_SLANT_ROMAN),
FC_OUTLINE, FcTypeBool, ((_fontStyle & 8) ? true : false),
FC_WIDTH, FcTypeInteger, ( (_fontStyle & 32) ? FC_WIDTH_CONDENSED : ((_fontStyle & 64) ? FC_WIDTH_EXPANDED : FC_WIDTH_NORMAL) ),
FC_DPI, FcTypeDouble, (double) 72.0,
FC_SCALABLE, FcTypeBool, true,
FC_ANTIALIAS, FcTypeBool, ((_antiAliasing != 0) ? true : false),
NULL);
}
FcDefaultSubstitute(target);
// Have a matching pattern:
if (_verbosity > 3) {
fprintf(stderr, "libptbdrawtext_ftgl: Trying to find font that closely matches following specification:\n");
FcPatternPrint(target);
}
// Perform font matching for the font in the default configuration (0) that best matches the
// specified target pattern:
FcPattern* matched = FcFontMatch(0, target, &result);
if (result == FcResultNoMatch) {
// Failed!
if (_verbosity > 1) fprintf(stderr, "libptbdrawtext_ftgl: FontConfig failed to find a matching font for family %s, size %f pts and style flags %i.\n", _fontName, (float) _fontSize, _fontStyle);
FcPatternDestroy(target);
return(1);
}
// Success: Extract relevant information for Freetype-2, the font filename and faceIndex:
if (_verbosity > 3) {
fprintf(stderr, "libptbdrawtext_ftgl: Best matching font which will be selected for drawing has following specs:\n");
FcPatternPrint(matched);
}
// Retrieve font filename for matched font:
FcChar8* localfontFileName = NULL;
if (FcPatternGetString(matched, FC_FILE, 0, (FcChar8**) &localfontFileName) != FcResultMatch) {
// Failed!
if (_verbosity > 1) fprintf(stderr, "libptbdrawtext_ftgl: FontConfig did not find filename for font with family %s, size %f pts and style flags %i.\n", _fontName, (float) _fontSize, _fontStyle);
FcPatternDestroy(target);
FcPatternDestroy(matched);
return(1);
}
strcpy(_fontFileName, (char*) localfontFileName);
// Retrieve faceIndex within fontfile:
if (FcPatternGetInteger(matched, FC_INDEX, 0, &_faceIndex) != FcResultMatch) {
// Failed!
if (_verbosity > 1) fprintf(stderr, "libptbdrawtext_ftgl: FontConfig did not find faceIndex for font file %s, family %s, size %f pts and style flags %i.\n", _fontFileName, _fontName, (float) _fontSize, _fontStyle);
FcPatternDestroy(target);
FcPatternDestroy(matched);
return(1);
}
// Release target pattern and matched pattern objects:
FcPatternDestroy(target);
FcPatternDestroy(matched);
}
else {
// Use "raw" values as passed by calling client code:
strcpy(_fontFileName, _fontName);
_faceIndex = (int) _fontStyle;
}
// Load & Create new font and face object, based on current spec settings:
// We directly use the Freetype library, so we can spec the faceIndex for selection of textstyle, which wouldn't be
// possible with the higher-level OGLFT constructor...
FT_Error error = FT_New_Face( OGLFT::Library::instance(), _fontFileName, _faceIndex, &ft_face );
if (error) {
if (_verbosity > 1) fprintf(stderr, "libptbdrawtext_ftgl: Freetype did not load face with index %i from font file %s.\n", _faceIndex, _fontFileName);
return(1);
}
else {
if (_verbosity > 3) fprintf(stderr, "libptbdrawtext_ftgl: Freetype loaded face %p with index %i from font file %s.\n", ft_face, _faceIndex, _fontFileName);
}
// Create FTGL face from Freetype face with given size and a 72 DPI resolution, aka _fontSize == pixelsize:
if (_antiAliasing != 0) {
faceT = new OGLFT::TranslucentTexture(ft_face, _fontSize, 72);
// Test the created face to make sure it will work correctly:
if (!faceT->isValid()) {
if (_verbosity > 1) fprintf(stderr, "libptbdrawtext_ftgl: Freetype did not recognize %s as a font file.\n", _fontName);
return(1);
}
}
else {
faceM = new OGLFT::MonochromeTexture(ft_face, _fontSize, 72);
// Test the created face to make sure it will work correctly:
if (!faceM->isValid()) {
if (_verbosity > 1) fprintf(stderr, "libptbdrawtext_ftgl: Freetype did not recognize %s as a font file.\n", _fontName);
return(1);
}
}
// Ready!
_needsRebuild = false;
return(0);
}
/* 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::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->useSubpixelRendering = 0;
break;
case FC_RGBA_RGB:
case FC_RGBA_BGR:
case FC_RGBA_VRGB:
case FC_RGBA_VBGR:
out->useSubpixelRendering = 1;
break;
default:
// This includes FC_RGBA_UNKNOWN.
out->useSubpixelRendering = 2;
break;
}
}
// FontConfig doesn't provide parameters to configure whether subpixel
// positioning should be used or not, so we just use a global setting.
out->useSubpixelPositioning = useSubpixelPositioning;
FcPatternDestroy(match);
}
QFontEngine *QFontconfigDatabase::fontEngine(const QFontDef &f, QUnicodeTables::Script script, void *usrPtr)
{
if (!usrPtr)
return 0;
QFontDef fontDef = f;
QFontEngineFT *engine;
FontFile *fontfile = static_cast<FontFile *> (usrPtr);
QFontEngine::FaceId fid;
fid.filename = fontfile->fileName.toLocal8Bit();
fid.index = fontfile->indexValue;
//try and get the pattern
FcPattern *pattern = FcPatternCreate();
bool antialias = !(fontDef.styleStrategy & QFont::NoAntialias);
QFontEngineFT::GlyphFormat format = antialias? QFontEngineFT::Format_A8 : QFontEngineFT::Format_Mono;
engine = new QFontEngineFT(fontDef);
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);
QFontEngineFT::HintStyle default_hint_style;
if (FcConfigSubstitute(0,pattern,FcMatchPattern)) {
//hinting
int hint_style = 0;
if (FcPatternGetInteger (pattern, 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;
}
}
engine->setDefaultHintStyle(default_hint_style);
if (!engine->init(fid,antialias,format)) {
delete engine;
engine = 0;
return engine;
}
if (engine->invalid()) {
delete engine;
engine = 0;
} else if (scriptRequiresOpenType(script)) {
HB_Face hbFace = engine->harfbuzzFace();
if (!hbFace || !hbFace->supported_scripts[script]) {
delete engine;
engine = 0;
}
}
return engine;
}
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 */
}
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;
}
FcFontSet *fcinfo_families_index(const FcPattern *filter)
{
int unused_int, f, nfamilies;
FcPattern *pattern, *match;
FcFontSet *fontset, *tmp,
*families;
FcResult r;
FcChar8 *family, *next_family, *normal_style, *style;
FcInit();
pattern = FcPatternDuplicate(filter);
fontset = fcinfo(NULL, filter, FcFalse, 5,
FC_FAMILY,
FC_STYLE,
FC_LANG,/* fonts like Misc Fixed need
to be sorted by LANG (subset-like) */
FC_PIXEL_SIZE,
FC_FILE); /* for identifying the best font in
FC_LANG terms */
if (fontset->nfont == 0)
return fontset;
tmp = fcinfo_match(fontset, pattern);
FcFontSetDestroy(fontset);
fontset = tmp;
if (FcPatternGetInteger(pattern, FC_WEIGHT, 0, &unused_int) != FcResultMatch)
FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_REGULAR);
if (FcPatternGetInteger(pattern, FC_SLANT, 0, &unused_int) != FcResultMatch)
FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
if (FcPatternGetInteger(pattern, FC_WIDTH, 0, &unused_int) != FcResultMatch)
FcPatternAddInteger(pattern, FC_WIDTH, FC_WIDTH_NORMAL);
/* choose 'normal' styles according to pattern */
families = FcFontSetCreate();
nfamilies = 0;
for (f = 0; f < fontset->nfont; )
{
assert(fcinfo_get_translated_string(fontset->fonts[f], FC_FAMILY,
LANG_EN, &family)
== FcResultMatch);
FcPatternDel(pattern, FC_FAMILY);
FcPatternAddString(pattern, FC_FAMILY, family);
match = FcFontSetMatch(NULL, &fontset, 1, pattern, &r);
assert(fcinfo_get_translated_string(match, FC_STYLE, LANG_EN, &normal_style)
== FcResultMatch);
do
{
assert(fcinfo_get_translated_string(fontset->fonts[f], FC_STYLE,
LANG_EN, &style)
== FcResultMatch);
if (FcStrCmpIgnoreCase(style, normal_style) == 0)
FcFontSetAdd(families, FcPatternDuplicate(fontset->fonts[f]));
if (++f == fontset->nfont)
break;
assert(fcinfo_get_translated_string(fontset->fonts[f], FC_FAMILY,
LANG_EN, &next_family)
== FcResultMatch);
}
while (FcStrCmpIgnoreCase(family, next_family) == 0);
nfamilies++;
}
FcPatternDestroy(pattern);
FcFontSetDestroy(fontset);
return families;
}
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;
}
bool SkFontConfigInterfaceDirect::matchFamilyName(const char familyName[],
SkFontStyle style,
FontIdentity* outIdentity,
SkString* outFamilyName,
SkFontStyle* outStyle) {
SkString familyStr(familyName ? familyName : "");
if (familyStr.size() > kMaxFontFamilyLength) {
return false;
}
SkAutoMutexAcquire ac(mutex_);
FcPattern* pattern = FcPatternCreate();
if (familyName) {
FcPatternAddString(pattern, FC_FAMILY, (FcChar8*)familyName);
}
fcpattern_from_skfontstyle(style, pattern);
FcPatternAddBool(pattern, FC_SCALABLE, FcTrue);
FcConfigSubstitute(nullptr, pattern, FcMatchPattern);
FcDefaultSubstitute(pattern);
// Font matching:
// CSS often specifies a fallback list of families:
// font-family: a, b, c, serif;
// However, fontconfig will always do its best to find *a* font when asked
// for something so we need a way to tell if the match which it has found is
// "good enough" for us. Otherwise, we can return nullptr which gets piped up
// and lets WebKit know to try the next CSS family name. However, fontconfig
// configs allow substitutions (mapping "Arial -> Helvetica" etc) and we
// wish to support that.
//
// Thus, if a specific family is requested we set @family_requested. Then we
// record two strings: the family name after config processing and the
// family name after resolving. If the two are equal, it's a good match.
//
// So consider the case where a user has mapped Arial to Helvetica in their
// config.
// requested family: "Arial"
// post_config_family: "Helvetica"
// post_match_family: "Helvetica"
// -> good match
//
// and for a missing font:
// requested family: "Monaco"
// post_config_family: "Monaco"
// post_match_family: "Times New Roman"
// -> BAD match
//
// However, we special-case fallback fonts; see IsFallbackFontAllowed().
const char* post_config_family = get_name(pattern, FC_FAMILY);
if (!post_config_family) {
// we can just continue with an empty name, e.g. default font
post_config_family = "";
}
FcResult result;
FcFontSet* font_set = FcFontSort(0, pattern, 0, 0, &result);
if (!font_set) {
FcPatternDestroy(pattern);
return false;
}
FcPattern* match = this->MatchFont(font_set, post_config_family, familyStr);
if (!match) {
FcPatternDestroy(pattern);
FcFontSetDestroy(font_set);
return false;
}
FcPatternDestroy(pattern);
// From here out we just extract our results from 'match'
post_config_family = get_name(match, FC_FAMILY);
if (!post_config_family) {
FcFontSetDestroy(font_set);
return false;
}
const char* c_filename = get_name(match, FC_FILE);
if (!c_filename) {
FcFontSetDestroy(font_set);
return false;
}
int face_index;
if (FcPatternGetInteger(match, FC_INDEX, 0, &face_index) != FcResultMatch) {
FcFontSetDestroy(font_set);
return false;
}
FcFontSetDestroy(font_set);
if (outIdentity) {
outIdentity->fTTCIndex = face_index;
outIdentity->fString.set(c_filename);
}
if (outFamilyName) {
outFamilyName->set(post_config_family);
}
if (outStyle) {
*outStyle = skfontstyle_from_fcpattern(match);
}
return true;
}
int gp_enumerate_fonts_next(void *enum_state, char **fontname, char **path)
{
#ifdef HAVE_FONTCONFIG
unix_fontenum_t* state = (unix_fontenum_t *)enum_state;
FcChar8 *file_fc = NULL;
FcChar8 *family_fc = NULL;
int outline_fc, slant_fc, weight_fc;
FcPattern *font;
FcResult result;
if (state == NULL) {
return 0; /* gp_enumerate_fonts_init failed for some reason */
}
if (state->index == state->font_list->nfont) {
return 0; /* we've run out of fonts */
}
/* Bits of the following were borrowed from Red Hat's
* fontconfig patch for Ghostscript 7 */
font = state->font_list->fonts[state->index];
result = FcPatternGetString (font, FC_FAMILY, 0, &family_fc);
if (result != FcResultMatch || family_fc == NULL) {
dlprintf ("DEBUG: FC_FAMILY mismatch\n");
return 0;
}
result = FcPatternGetString (font, FC_FILE, 0, &file_fc);
if (result != FcResultMatch || file_fc == NULL) {
dlprintf ("DEBUG: FC_FILE mismatch\n");
return 0;
}
result = FcPatternGetBool (font, FC_OUTLINE, 0, &outline_fc);
if (result != FcResultMatch) {
dlprintf1 ("DEBUG: FC_OUTLINE failed to match on %s\n", (char*)family_fc);
return 0;
}
result = FcPatternGetInteger (font, FC_SLANT, 0, &slant_fc);
if (result != FcResultMatch) {
dlprintf ("DEBUG: FC_SLANT didn't match\n");
return 0;
}
result = FcPatternGetInteger (font, FC_WEIGHT, 0, &weight_fc);
if (result != FcResultMatch) {
dlprintf ("DEBUG: FC_WEIGHT didn't match\n");
return 0;
}
/* Gross hack to work around Fontconfig's inability to tell
* us the font's PostScript name - generate it ourselves.
* We must free the memory allocated here next time around. */
makePSFontName((char *)family_fc, weight_fc, slant_fc,
(char *)&state->name, sizeof(state->name));
*fontname = (char *)&state->name;
/* return the font path straight out of fontconfig */
*path = (char*)file_fc;
state->index ++;
return 1;
#else
return 0;
#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 = 0, *rpat = 0;
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 = 0;
int curf;
char* retval = 0;
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);
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;
}
bool FontConfigDirect::Match(std::string* result_family,
unsigned* result_filefaceid,
bool filefaceid_valid, unsigned filefaceid,
const std::string& family,
const void* data, size_t characters_bytes,
bool* is_bold, bool* is_italic) {
if (family.length() > kMaxFontFamilyLength)
return false;
SkAutoMutexAcquire ac(mutex_);
// Given |family|, |is_bold| and |is_italic| but not |data|, the result will
// be a function of these three parameters, and thus eligible for caching.
// This is the fast path for |SkTypeface::CreateFromName()|.
bool eligible_for_cache = !family.empty() && is_bold && is_italic && !data;
if (eligible_for_cache) {
int style = (*is_bold ? SkTypeface::kBold : 0 ) |
(*is_italic ? SkTypeface::kItalic : 0);
FontMatchKey key = FontMatchKey(family, style);
const std::map<FontMatchKey, FontMatch>::const_iterator i =
font_match_cache_.find(key);
if (i != font_match_cache_.end()) {
*is_bold = i->second.is_bold;
*is_italic = i->second.is_italic;
if (result_family)
*result_family = i->second.family;
if (result_filefaceid)
*result_filefaceid = i->second.filefaceid;
return true;
}
}
FcPattern* pattern = FcPatternCreate();
if (filefaceid_valid) {
const std::map<unsigned, std::string>::const_iterator
i = fileid_to_filename_.find(FileFaceIdToFileId(filefaceid));
if (i == fileid_to_filename_.end()) {
FcPatternDestroy(pattern);
return false;
}
int face_index = filefaceid & 0xfu;
FcPatternAddString(pattern, FC_FILE,
reinterpret_cast<const FcChar8*>(i->second.c_str()));
// face_index is added only when family is empty because it is not
// necessary to uniquiely identify a font if both file and
// family are given.
if (family.empty())
FcPatternAddInteger(pattern, FC_INDEX, face_index);
}
if (!family.empty()) {
FcPatternAddString(pattern, FC_FAMILY, (FcChar8*) family.c_str());
}
FcCharSet* charset = NULL;
if (data) {
charset = FcCharSetCreate();
const uint16_t* chars = (const uint16_t*) data;
size_t num_chars = characters_bytes / 2;
for (size_t i = 0; i < num_chars; ++i) {
if (U16_IS_SURROGATE(chars[i])
&& U16_IS_SURROGATE_LEAD(chars[i])
&& i != num_chars - 1
&& U16_IS_TRAIL(chars[i + 1])) {
FcCharSetAddChar(charset, U16_GET_SUPPLEMENTARY(chars[i], chars[i+1]));
i++;
} else {
FcCharSetAddChar(charset, chars[i]);
}
}
FcPatternAddCharSet(pattern, FC_CHARSET, charset);
FcCharSetDestroy(charset); // pattern now owns it.
}
FcPatternAddInteger(pattern, FC_WEIGHT,
is_bold && *is_bold ? FC_WEIGHT_BOLD
: FC_WEIGHT_NORMAL);
FcPatternAddInteger(pattern, FC_SLANT,
is_italic && *is_italic ? FC_SLANT_ITALIC
: FC_SLANT_ROMAN);
FcPatternAddBool(pattern, FC_SCALABLE, FcTrue);
FcConfigSubstitute(NULL, pattern, FcMatchPattern);
FcDefaultSubstitute(pattern);
// Font matching:
// CSS often specifies a fallback list of families:
// font-family: a, b, c, serif;
// However, fontconfig will always do its best to find *a* font when asked
// for something so we need a way to tell if the match which it has found is
// "good enough" for us. Otherwise, we can return NULL which gets piped up
// and lets WebKit know to try the next CSS family name. However, fontconfig
// configs allow substitutions (mapping "Arial -> Helvetica" etc) and we
// wish to support that.
//
// Thus, if a specific family is requested we set @family_requested. Then we
// record two strings: the family name after config processing and the
// family name after resolving. If the two are equal, it's a good match.
//
// So consider the case where a user has mapped Arial to Helvetica in their
// config.
// requested family: "Arial"
// post_config_family: "Helvetica"
// post_match_family: "Helvetica"
// -> good match
//
// and for a missing font:
// requested family: "Monaco"
// post_config_family: "Monaco"
// post_match_family: "Times New Roman"
// -> BAD match
//
// However, we special-case fallback fonts; see IsFallbackFontAllowed().
FcChar8* post_config_family;
FcPatternGetString(pattern, FC_FAMILY, 0, &post_config_family);
FcResult result;
FcFontSet* font_set = FcFontSort(0, pattern, 0, 0, &result);
if (!font_set) {
FcPatternDestroy(pattern);
return false;
}
FcPattern* match = MatchFont(font_set, post_config_family, family);
if (!match) {
FcPatternDestroy(pattern);
FcFontSetDestroy(font_set);
return false;
}
FcPatternDestroy(pattern);
FcChar8* c_filename;
if (FcPatternGetString(match, FC_FILE, 0, &c_filename) != FcResultMatch) {
FcFontSetDestroy(font_set);
return false;
}
int face_index;
if (FcPatternGetInteger(match, FC_INDEX, 0, &face_index) != FcResultMatch) {
FcFontSetDestroy(font_set);
return false;
}
FontMatch font_match;
if (filefaceid_valid) {
font_match.filefaceid = filefaceid;
} else {
unsigned out_fileid;
const std::string filename(reinterpret_cast<char*>(c_filename));
const std::map<std::string, unsigned>::const_iterator
i = filename_to_fileid_.find(filename);
if (i == filename_to_fileid_.end()) {
out_fileid = next_file_id_++;
filename_to_fileid_[filename] = out_fileid;
fileid_to_filename_[out_fileid] = filename;
} else {
out_fileid = i->second;
}
// fileid stored in filename_to_fileid_ and fileid_to_filename_ is
// unique only up to the font file. We have to encode face_index for
// the out param.
font_match.filefaceid =
FileIdAndFaceIndexToFileFaceId(out_fileid, face_index);
}
bool success = GetFontProperties(match,
&font_match.family,
&font_match.is_bold,
&font_match.is_italic);
FcFontSetDestroy(font_set);
if (success) {
// If eligible, cache the result of the matching.
if (eligible_for_cache) {
int style = (*is_bold ? SkTypeface::kBold : 0 ) |
(*is_italic ? SkTypeface::kItalic : 0);
font_match_cache_[FontMatchKey(family, style)] = font_match;
}
if (result_family)
*result_family = font_match.family;
if (result_filefaceid)
*result_filefaceid = font_match.filefaceid;
if (is_bold)
*is_bold = font_match.is_bold;
if (is_italic)
*is_italic = font_match.is_italic;
}
return success;
}
int face_from_options(lua_State* L) {
FT_Face face;
FcChar8 * font_path;
FcPattern* p;
FcPattern* matched;
FcResult result;
int index = 0;
const char *family = "Gentium";
double pointSize = 12;
int slant = FC_SLANT_ROMAN;
int weight = 100;
const char *script = "latin";
const char *language = "eng";
int direction = HB_DIRECTION_LTR;
if (!lua_istable(L, 1)) return 0;
lua_pushstring(L, "font");
lua_gettable(L, -2);
if (lua_isstring(L, -1)) { family = lua_tostring(L, -1); }
lua_pop(L,1);
lua_pushstring(L, "weight");
lua_gettable(L, -2);
if (lua_isnumber(L, -1)) {
int newWeight = lua_tointeger(L, -1);
if (newWeight <= 100) newWeight = FC_WEIGHT_THIN;
else if (newWeight <= 200) newWeight = FC_WEIGHT_ULTRALIGHT;
else if (newWeight <= 300) newWeight = FC_WEIGHT_LIGHT;
else if (newWeight <= 400) newWeight = FC_WEIGHT_NORMAL;
else if (newWeight <= 500) newWeight = FC_WEIGHT_MEDIUM;
else if (newWeight <= 600) newWeight = FC_WEIGHT_DEMIBOLD;
else if (newWeight <= 700) newWeight = FC_WEIGHT_BOLD;
else if (newWeight <= 800) newWeight = FC_WEIGHT_ULTRABOLD;
else newWeight = FC_WEIGHT_HEAVY;
weight = newWeight;
}
lua_pop(L,1);
lua_pushstring(L, "size");
lua_gettable(L, -2);
if (lua_isnumber(L, -1)) { pointSize = lua_tonumber(L, -1); }
lua_pop(L,1);
lua_pushstring(L, "language");
lua_gettable(L, -2);
if (lua_isstring(L, -1)) { language = lua_tostring(L, -1); }
lua_pop(L,1);
lua_pushstring(L, "style");
lua_gettable(L, -2);
if (lua_isstring(L, -1)) {
const char* newStyleAsText = lua_tostring(L, -1);
if (!strcmp(newStyleAsText, "italic"))
slant = FC_SLANT_ITALIC;
}
lua_pop(L,1);
p = FcPatternCreate();
FcPatternAddString (p, FC_FAMILY, (FcChar8*)(family));
FcPatternAddDouble (p, FC_SIZE, pointSize);
FcPatternAddInteger(p, FC_SLANT, slant);
FcPatternAddInteger(p, FC_WEIGHT, weight);
// /* Add fallback fonts here. Some of the standard 14 should be fine. */
FcPatternAddString (p, FC_FAMILY,(FcChar8*) "Times-Roman");
FcPatternAddString (p, FC_FAMILY,(FcChar8*) "Times");
FcPatternAddString (p, FC_FAMILY,(FcChar8*) "Helvetica");
matched = FcFontMatch (0, p, &result);
if (FcPatternGetString (matched, FC_FILE, 0, &font_path) != FcResultMatch)
return 0;
FcPatternGetInteger(matched, FC_INDEX, 0, &index);
font_path = (FcChar8 *)strdup((char*)font_path); /* XXX signedness problems? */
if (!font_path) {
printf("Finding font path failed\n");
return 0;
}
/* Push back slant and weight, we need to pass them to libpdftex */
FcPatternGetInteger(matched, FC_SLANT, 0, &slant);
FcPatternGetInteger(matched, FC_WEIGHT, 0, &weight);
/* Find out which family we did actually pick up */
if (FcPatternGetString (matched, FC_FAMILY, 0, &family) != FcResultMatch)
return 0;
lua_newtable(L);
lua_pushstring(L, "filename");
lua_pushstring(L, (char*)font_path);
lua_settable(L, -3);
lua_pushstring(L, "family");
lua_pushstring(L, (char*)(family));
lua_settable(L, -3);
FcPatternDestroy (matched);
FcPatternDestroy (p);
face = (FT_Face)malloc(sizeof(FT_Face));
if (FT_New_Face(ft_library, (char*)font_path, index, &face))
return 0;
if (FT_Set_Char_Size(face,pointSize * 64.0, 0, 0, 0))
return 0;
lua_pushstring(L, "index");
lua_pushinteger(L, index);
lua_settable(L, -3);
lua_pushstring(L, "pointsize");
lua_pushnumber(L, pointSize);
lua_settable(L, -3);
lua_pushstring(L, "face");
lua_pushlightuserdata(L, face);
lua_settable(L, -3);
return 1;
}
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 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;
}
}
}
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;
FcBool scalable;
FcBool antialias;
{
FcObjectSet *os = FcObjectSetCreate();
FcPattern *pattern = FcPatternCreate();
const char *properties [] = {
FC_FAMILY, FC_WEIGHT, FC_SLANT,
FC_SPACING, FC_FILE, FC_INDEX,
FC_LANG, FC_CHARSET, FC_FOUNDRY, FC_SCALABLE, FC_PIXEL_SIZE,
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_MEDIUM;
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_MEDIUM;
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(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) {
for (int i = 1; i < LanguageCount; ++i) {
const FcChar8 *lang = (const FcChar8*) languageForWritingSystem[i];
if (lang) {
FcLangResult langRes = FcLangSetHasLang(langset, lang);
if (langRes != FcLangDifferentLang)
writingSystems.setSupported(QFontDatabase::WritingSystem(i));
}
}
} 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);
}
FcCharSet *cs = 0;
res = FcPatternGetCharSet(fonts->fonts[i], FC_CHARSET, 0, &cs);
if (res == FcResultMatch) {
// some languages are not supported by FontConfig, we rather check the
// charset to detect these
for (int i = 1; i < SampleCharCount; ++i) {
if (!sampleCharForWritingSystem[i])
continue;
if (FcCharSetHasChar(cs, sampleCharForWritingSystem[i]))
writingSystems.setSupported(QFontDatabase::WritingSystem(i));
}
}
#if FC_VERSION >= 20297
for (int j = 1; j < LanguageCount; ++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)
FcPatternGetDouble (fonts->fonts[i], FC_PIXEL_SIZE, 0, &pixel_size);
int width = FC_WIDTH_NORMAL;
FcPatternGetInteger(fonts->fonts[i], FC_WIDTH, 0, &width);
QFont::Stretch stretch;
switch (width) {
case FC_WIDTH_ULTRACONDENSED: stretch = QFont::UltraCondensed; break;
case FC_WIDTH_EXTRACONDENSED: stretch = QFont::ExtraCondensed; break;
case FC_WIDTH_CONDENSED: stretch = QFont::Condensed; break;
case FC_WIDTH_SEMICONDENSED: stretch = QFont::SemiCondensed; break;
case FC_WIDTH_NORMAL: stretch = QFont::Unstretched; break;
case FC_WIDTH_SEMIEXPANDED: stretch = QFont::SemiExpanded; break;
case FC_WIDTH_EXPANDED: stretch = QFont::Expanded; break;
case FC_WIDTH_EXTRAEXPANDED: stretch = QFont::ExtraExpanded; break;
case FC_WIDTH_ULTRAEXPANDED: stretch = QFont::UltraExpanded; break;
default: stretch = QFont::Unstretched; break;
}
QPlatformFontDatabase::registerFont(familyName,QLatin1String((const char *)foundry_value),weight,style,stretch,antialias,scalable,pixel_size,writingSystems,fontFile);
// qDebug() << familyName << (const char *)foundry_value << weight << style << &writingSystems << scalable << true << pixel_size;
}
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) {
registerFont(f->qtname,QLatin1String(""),QFont::Normal,QFont::StyleNormal,QFont::Unstretched,true,true,0,ws,0);
registerFont(f->qtname,QLatin1String(""),QFont::Normal,QFont::StyleItalic,QFont::Unstretched,true,true,0,ws,0);
registerFont(f->qtname,QLatin1String(""),QFont::Normal,QFont::StyleOblique,QFont::Unstretched,true,true,0,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);
}
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 */
}
/**
* \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);
if (!s)
goto error;
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, FcFalse, 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);
if (!retval)
goto error;
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;
}
FontPlatformData::FontPlatformData(const FontDescription& fontDescription, const AtomicString& familyName)
: m_pattern(0)
, m_size(fontDescription.computedSize())
, m_syntheticBold(false)
, m_syntheticOblique(false)
, m_scaledFont(0)
, m_face(0)
{
FontPlatformData::init();
CString familyNameString = familyName.string().utf8();
const char* fcfamily = familyNameString.data();
int fcslant = FC_SLANT_ROMAN;
// FIXME: Map all FontWeight values to fontconfig weights.
int fcweight = FC_WEIGHT_NORMAL;
float fcsize = fontDescription.computedSize();
if (fontDescription.italic())
fcslant = FC_SLANT_ITALIC;
if (fontDescription.weight() >= FontWeight600)
fcweight = FC_WEIGHT_BOLD;
FcConfig *config = FcConfigGetCurrent();
//printf("family = %s\n", fcfamily);
int type = fontDescription.genericFamily();
FcPattern* pattern = FcPatternCreate();
if (!FcPatternAddString(pattern, FC_FAMILY, reinterpret_cast<const FcChar8*>(fcfamily)))
goto freePattern;
switch (type) {
case FontDescription::SerifFamily:
fcfamily = "serif";
break;
case FontDescription::SansSerifFamily:
fcfamily = "sans-serif";
break;
case FontDescription::MonospaceFamily:
fcfamily = "monospace";
break;
case FontDescription::NoFamily:
case FontDescription::StandardFamily:
default:
fcfamily = "sans-serif";
}
if (!FcPatternAddString(pattern, FC_FAMILY, reinterpret_cast<const FcChar8*>(fcfamily)))
goto freePattern;
if (!FcPatternAddInteger(pattern, FC_SLANT, fcslant))
goto freePattern;
if (!FcPatternAddInteger(pattern, FC_WEIGHT, fcweight))
goto freePattern;
if (!FcPatternAddDouble(pattern, FC_PIXEL_SIZE, fcsize))
goto freePattern;
FcConfigSubstitute(config, pattern, FcMatchPattern);
FcDefaultSubstitute(pattern);
FcResult fcresult;
m_pattern = FcFontMatch(config, pattern, &fcresult);
FcPatternReference(m_pattern);
// FIXME: should we set some default font?
if (!m_pattern)
goto freePattern;
FcChar8 *fc_filename;
char *filename;
int id;
id = 0;
if (FcPatternGetString(m_pattern, FC_FILE, 0, &fc_filename) != FcResultMatch) {
DS_WAR("cannot retrieve font\n");
goto freePattern;
}
filename = (char *) fc_filename; //use C cast as FcChar is a fontconfig type
//printf("filename = %s\n", filename);
if (FcPatternGetInteger(m_pattern, FC_INDEX, 0, &id) != FcResultMatch) {
DS_WAR("cannot retrieve font index\n");
goto freePattern;
}
if (FT_Error error = FT_New_Face(m_library, filename, id, &m_face)) {
//if (FT_Error error = FT_New_Face(m_library, too, id, &m_face)) {
DS_WAR("fail to open font" << filename << "with index " << id << " (error = 0x%x)\n" << error);
m_face = 0;
goto freePattern;
}
FT_Set_Pixel_Sizes(m_face, 0, static_cast<uint> (fontDescription.computedSize()));
//DBGML(MODULE_FONTS, LEVEL_INFO, "open font %s with size %d\n", filename, static_cast<uint> (fontDescription.specifiedSize()));
freePattern:
FcPatternDestroy(pattern);
FcConfigDestroy(config);
}
bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, MissingGlyphSearcher *callback)
{
if (!FcInit()) return false;
bool ret = false;
/* Fontconfig doesn't handle full language isocodes, only the part
* before the _ of e.g. en_GB is used, so "remove" everything after
* the _. */
char lang[16];
seprintf(lang, lastof(lang), ":lang=%s", language_isocode);
char *split = strchr(lang, '_');
if (split != NULL) *split = '\0';
/* First create a pattern to match the wanted language. */
FcPattern *pat = FcNameParse((FcChar8*)lang);
/* We only want to know the filename. */
FcObjectSet *os = FcObjectSetBuild(FC_FILE, FC_SPACING, FC_SLANT, FC_WEIGHT, NULL);
/* Get the list of filenames matching the wanted language. */
FcFontSet *fs = FcFontList(NULL, pat, os);
/* We don't need these anymore. */
FcObjectSetDestroy(os);
FcPatternDestroy(pat);
if (fs != NULL) {
int best_weight = -1;
const char *best_font = NULL;
for (int i = 0; i < fs->nfont; i++) {
FcPattern *font = fs->fonts[i];
FcChar8 *file = NULL;
FcResult res = FcPatternGetString(font, FC_FILE, 0, &file);
if (res != FcResultMatch || file == NULL) {
continue;
}
/* Get a font with the right spacing .*/
int value = 0;
FcPatternGetInteger(font, FC_SPACING, 0, &value);
if (callback->Monospace() != (value == FC_MONO) && value != FC_DUAL) continue;
/* Do not use those that explicitly say they're slanted. */
FcPatternGetInteger(font, FC_SLANT, 0, &value);
if (value != 0) continue;
/* We want the fatter font as they look better at small sizes. */
FcPatternGetInteger(font, FC_WEIGHT, 0, &value);
if (value <= best_weight) continue;
callback->SetFontNames(settings, (const char*)file);
bool missing = callback->FindMissingGlyphs(NULL);
DEBUG(freetype, 1, "Font \"%s\" misses%s glyphs", file, missing ? "" : " no");
if (!missing) {
best_weight = value;
best_font = (const char *)file;
}
}
if (best_font != NULL) {
ret = true;
callback->SetFontNames(settings, best_font);
InitFreeType(callback->Monospace());
}
/* Clean up the list of filenames. */
FcFontSetDestroy(fs);
}
FcFini();
return ret;
}
static int load_font_fontconfig(AVFilterContext *ctx)
{
DrawTextContext *s = ctx->priv;
FcConfig *fontconfig;
FcPattern *pat, *best;
FcResult result = FcResultMatch;
FcChar8 *filename;
int index;
double size;
int err = AVERROR(ENOENT);
fontconfig = FcInitLoadConfigAndFonts();
if (!fontconfig) {
av_log(ctx, AV_LOG_ERROR, "impossible to init fontconfig\n");
return AVERROR_UNKNOWN;
}
pat = FcNameParse(s->fontfile ? s->fontfile :
(uint8_t *)(intptr_t)"default");
if (!pat) {
av_log(ctx, AV_LOG_ERROR, "could not parse fontconfig pat");
return AVERROR(EINVAL);
}
FcPatternAddString(pat, FC_FAMILY, s->font);
if (s->fontsize)
FcPatternAddDouble(pat, FC_SIZE, (double)s->fontsize);
FcDefaultSubstitute(pat);
if (!FcConfigSubstitute(fontconfig, pat, FcMatchPattern)) {
av_log(ctx, AV_LOG_ERROR, "could not substitue fontconfig options"); /* very unlikely */
FcPatternDestroy(pat);
return AVERROR(ENOMEM);
}
best = FcFontMatch(fontconfig, pat, &result);
FcPatternDestroy(pat);
if (!best || result != FcResultMatch) {
av_log(ctx, AV_LOG_ERROR,
"Cannot find a valid font for the family %s\n",
s->font);
goto fail;
}
if (
FcPatternGetInteger(best, FC_INDEX, 0, &index ) != FcResultMatch ||
FcPatternGetDouble (best, FC_SIZE, 0, &size ) != FcResultMatch) {
av_log(ctx, AV_LOG_ERROR, "impossible to find font information");
return AVERROR(EINVAL);
}
if (FcPatternGetString(best, FC_FILE, 0, &filename) != FcResultMatch) {
av_log(ctx, AV_LOG_ERROR, "No file path for %s\n",
s->font);
goto fail;
}
av_log(ctx, AV_LOG_INFO, "Using \"%s\"\n", filename);
if (!s->fontsize)
s->fontsize = size + 0.5;
err = load_font_file(ctx, filename, index);
if (err)
return err;
FcConfigDestroy(fontconfig);
fail:
FcPatternDestroy(best);
return err;
}
static void populateFromPattern(FcPattern *pattern)
{
QString familyName;
QString familyNameLang;
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);
if (FcPatternGetString(pattern, FC_FAMILYLANG, 0, &value) == FcResultMatch)
familyNameLang = 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;
#if FC_VERSION >= 20297
FcChar8 *cap = Q_NULLPTR;
FcResult capRes = FcResultNoMatch;
#endif
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) {
#if FC_VERSION >= 20297
if (*capabilityForWritingSystem[j] && requiresOpenType(j)) {
if (cap == Q_NULLPTR)
capRes = FcPatternGetString(pattern, FC_CAPABILITY, 0, &cap);
if (capRes == FcResultMatch && strstr(reinterpret_cast<const char *>(cap), capabilityForWritingSystem[j]) == 0)
continue;
}
#endif
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);
}
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) {
const QString altFamilyName = QString::fromUtf8((const char *)value);
// Extra family names can be aliases or subfamilies.
// If it is a subfamily, register it as a separate font, so only members of the subfamily are
// matched when the subfamily is requested.
QString altStyleName;
if (FcPatternGetString(pattern, FC_STYLE, k, &value) == FcResultMatch)
altStyleName = QString::fromUtf8((const char *)value);
else
altStyleName = styleName;
QString altFamilyNameLang;
if (FcPatternGetString(pattern, FC_FAMILYLANG, k, &value) == FcResultMatch)
altFamilyNameLang = QString::fromUtf8((const char *)value);
else
altFamilyNameLang = familyNameLang;
if (familyNameLang == altFamilyNameLang && altStyleName != styleName) {
FontFile *altFontFile = new FontFile(*fontFile);
QPlatformFontDatabase::registerFont(altFamilyName, altStyleName, QLatin1String((const char *)foundry_value),weight,style,stretch,antialias,scalable,pixel_size,fixedPitch,writingSystems,altFontFile);
} else {
QPlatformFontDatabase::registerAliasToFontFamily(familyName, altFamilyName);
}
}
}
QFontEngine *QFontconfigDatabase::fontEngine(const QFontDef &f, QUnicodeTables::Script script, void *usrPtr)
{
if (!usrPtr)
return 0;
QFontDef fontDef = f;
QFontEngineFT *engine;
FontFile *fontfile = static_cast<FontFile *> (usrPtr);
QFontEngine::FaceId fid;
fid.filename = fontfile->fileName.toLocal8Bit();
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;
}
}
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 (scriptRequiresOpenType(script)) {
HB_Face hbFace = engine->initializedHarfbuzzFace();
if (!hbFace || !hbFace->supported_scripts[script]) {
delete engine;
engine = 0;
}
}
return engine;
}
MagickExport MagickBooleanType LoadFontConfigFonts(SplayTreeInfo *type_cache,
ExceptionInfo *exception)
{
#if !defined(FC_FULLNAME)
#define FC_FULLNAME "fullname"
#endif
char
extension[MagickPathExtent],
name[MagickPathExtent];
FcChar8
*family,
*file,
*fullname,
*style;
FcConfig
*font_config;
FcFontSet
*font_set;
FcObjectSet
*object_set;
FcPattern
*pattern;
FcResult
status;
int
slant,
width,
weight;
register ssize_t
i;
TypeInfo
*type_info;
/*
Load system fonts.
*/
(void) exception;
font_config=FcInitLoadConfigAndFonts();
if (font_config == (FcConfig *) NULL)
return(MagickFalse);
font_set=(FcFontSet *) NULL;
object_set=FcObjectSetBuild(FC_FULLNAME,FC_FAMILY,FC_STYLE,FC_SLANT,
FC_WIDTH,FC_WEIGHT,FC_FILE,(char *) NULL);
if (object_set != (FcObjectSet *) NULL)
{
pattern=FcPatternCreate();
if (pattern != (FcPattern *) NULL)
{
font_set=FcFontList(0,pattern,object_set);
FcPatternDestroy(pattern);
}
FcObjectSetDestroy(object_set);
}
if (font_set == (FcFontSet *) NULL)
{
FcConfigDestroy(font_config);
return(MagickFalse);
}
for (i=0; i < (ssize_t) font_set->nfont; i++)
{
status=FcPatternGetString(font_set->fonts[i],FC_FAMILY,0,&family);
if (status != FcResultMatch)
continue;
status=FcPatternGetString(font_set->fonts[i],FC_FILE,0,&file);
if (status != FcResultMatch)
continue;
*extension='\0';
GetPathComponent((const char *) file,ExtensionPath,extension);
if ((*extension != '\0') && (LocaleCompare(extension,"gz") == 0))
continue;
type_info=(TypeInfo *) AcquireMagickMemory(sizeof(*type_info));
if (type_info == (TypeInfo *) NULL)
continue;
(void) ResetMagickMemory(type_info,0,sizeof(*type_info));
type_info->path=ConstantString("System Fonts");
type_info->signature=MagickCoreSignature;
(void) CopyMagickString(name,"Unknown",MagickPathExtent);
status=FcPatternGetString(font_set->fonts[i],FC_FULLNAME,0,&fullname);
if ((status == FcResultMatch) && (fullname != (FcChar8 *) NULL))
(void) CopyMagickString(name,(const char *) fullname,MagickPathExtent);
else
{
if (family != (FcChar8 *) NULL)
(void) CopyMagickString(name,(const char *) family,MagickPathExtent);
status=FcPatternGetString(font_set->fonts[i],FC_STYLE,0,&style);
if ((status == FcResultMatch) && (style != (FcChar8 *) NULL) &&
(LocaleCompare((const char *) style,"Regular") != 0))
{
(void) ConcatenateMagickString(name," ",MagickPathExtent);
(void) ConcatenateMagickString(name,(const char *) style,
MagickPathExtent);
}
}
type_info->name=ConstantString(name);
(void) SubstituteString(&type_info->name," ","-");
type_info->family=ConstantString((const char *) family);
status=FcPatternGetInteger(font_set->fonts[i],FC_SLANT,0,&slant);
type_info->style=NormalStyle;
if (slant == FC_SLANT_ITALIC)
type_info->style=ItalicStyle;
if (slant == FC_SLANT_OBLIQUE)
type_info->style=ObliqueStyle;
status=FcPatternGetInteger(font_set->fonts[i],FC_WIDTH,0,&width);
type_info->stretch=NormalStretch;
if (width >= FC_WIDTH_ULTRACONDENSED)
type_info->stretch=UltraCondensedStretch;
if (width >= FC_WIDTH_EXTRACONDENSED)
type_info->stretch=ExtraCondensedStretch;
if (width >= FC_WIDTH_CONDENSED)
type_info->stretch=CondensedStretch;
if (width >= FC_WIDTH_SEMICONDENSED)
type_info->stretch=SemiCondensedStretch;
if (width >= FC_WIDTH_NORMAL)
type_info->stretch=NormalStretch;
if (width >= FC_WIDTH_SEMIEXPANDED)
type_info->stretch=SemiExpandedStretch;
if (width >= FC_WIDTH_EXPANDED)
type_info->stretch=ExpandedStretch;
if (width >= FC_WIDTH_EXTRAEXPANDED)
type_info->stretch=ExtraExpandedStretch;
if (width >= FC_WIDTH_ULTRAEXPANDED)
type_info->stretch=UltraExpandedStretch;
type_info->weight=400;
status=FcPatternGetInteger(font_set->fonts[i],FC_WEIGHT,0,&weight);
if (weight >= FC_WEIGHT_THIN)
type_info->weight=100;
if (weight >= FC_WEIGHT_EXTRALIGHT)
type_info->weight=200;
if (weight >= FC_WEIGHT_LIGHT)
type_info->weight=300;
if (weight >= FC_WEIGHT_NORMAL)
type_info->weight=400;
if (weight >= FC_WEIGHT_MEDIUM)
type_info->weight=500;
if (weight >= FC_WEIGHT_DEMIBOLD)
type_info->weight=600;
if (weight >= FC_WEIGHT_BOLD)
type_info->weight=700;
if (weight >= FC_WEIGHT_EXTRABOLD)
type_info->weight=800;
if (weight >= FC_WEIGHT_BLACK)
type_info->weight=900;
type_info->glyphs=ConstantString((const char *) file);
(void) AddValueToSplayTree(type_cache,type_info->name,type_info);
}
FcFontSetDestroy(font_set);
FcConfigDestroy(font_config);
return(MagickTrue);
}
static void
apply_xft_settings (struct x_display_info *dpyinfo,
int send_event_p,
struct xsettings *settings)
{
#ifdef HAVE_XFT
FcPattern *pat;
struct xsettings oldsettings;
int changed = 0;
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;
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;
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;
}
/* 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;
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;
oldsettings.hintstyle = settings->hintstyle;
}
#endif
if ((settings->seen & SEEN_DPI) != 0 && oldsettings.dpi != settings->dpi
&& settings->dpi > 0)
{
Lisp_Object frame, tail;
FcPatternDel (pat, FC_DPI);
FcPatternAddDouble (pat, FC_DPI, settings->dpi);
++changed;
oldsettings.dpi = settings->dpi;
/* Change the DPI on this display and all frames on the display. */
dpyinfo->resy = dpyinfo->resx = settings->dpi;
FOR_EACH_FRAME (tail, frame)
if (FRAME_X_P (XFRAME (frame))
&& FRAME_X_DISPLAY_INFO (XFRAME (frame)) == dpyinfo)
XFRAME (frame)->resy = XFRAME (frame)->resx = settings->dpi;
}