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@ -328,7 +328,7 @@ static int CALLBACK EnumFontCallback(const ENUMLOGFONTEX *logfont, const NEWTEXT
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return 0; // stop enumerating
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}
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bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid)
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bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, const char *str)
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{
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EFCParam langInfo;
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if (GetLocaleInfo(MAKELCID(winlangid, SORT_DEFAULT), LOCALE_FONTSIGNATURE, (LPTSTR)&langInfo.locale, sizeof(langInfo.locale) / sizeof(TCHAR)) == 0) {
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@ -350,6 +350,227 @@ bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, i
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return ret == 0;
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}
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#elif defined(__APPLE__)
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#include "os/macosx/macos.h"
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#include <ApplicationServices/ApplicationServices.h>
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FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
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{
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FT_Error err = FT_Err_Cannot_Open_Resource;
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/* Get font reference from name. */
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CFStringRef name = CFStringCreateWithCString(kCFAllocatorDefault, font_name, kCFStringEncodingUTF8);
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ATSFontRef font = ATSFontFindFromName(name, kATSOptionFlagsDefault);
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CFRelease(name);
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if (font == kInvalidFont) return err;
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/* Get a file system reference for the font. */
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FSRef ref;
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OSStatus os_err = -1;
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#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
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if (MacOSVersionIsAtLeast(10, 5, 0)) {
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os_err = ATSFontGetFileReference(font, &ref);
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} else
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#endif
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{
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#if (MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5) && !__LP64__
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/* This type was introduced with the 10.5 SDK. */
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#if (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_5)
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#define ATSFSSpec FSSpec
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#endif
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FSSpec spec;
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os_err = ATSFontGetFileSpecification(font, (ATSFSSpec *)&spec);
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if (os_err == noErr) os_err = FSpMakeFSRef(&spec, &ref);
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#endif
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}
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if (os_err == noErr) {
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/* Get unix path for file. */
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UInt8 file_path[PATH_MAX];
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if (FSRefMakePath(&ref, file_path, sizeof(file_path)) == noErr) {
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DEBUG(freetype, 3, "Font path for %s: %s", font_name, file_path);
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err = FT_New_Face(_library, (const char *)file_path, 0, face);
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}
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}
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return err;
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}
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bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, const char *str)
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{
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bool result = false;
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#if (MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_5)
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if (MacOSVersionIsAtLeast(10, 5, 0)) {
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/* Determine fallback font using CoreText. This uses the language isocode
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* to find a suitable font. CoreText is available from 10.5 onwards. */
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char lang[16];
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if (strcmp(language_isocode, "zh_TW") == 0) {
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/* Traditional Chinese */
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strecpy(lang, "zh-Hant", lastof(lang));
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} else if (strcmp(language_isocode, "zh_CN") == 0) {
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/* Simplified Chinese */
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strecpy(lang, "zh-Hans", lastof(lang));
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} else if (strncmp(language_isocode, "ur", 2) == 0) {
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/* The urdu alphabet is variant of persian. As OS X has no default
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* font that advertises an urdu language code, search for persian
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* support instead. */
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strecpy(lang, "fa", lastof(lang));
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} else {
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/* Just copy the first part of the isocode. */
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strecpy(lang, language_isocode, lastof(lang));
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char *sep = strchr(lang, '_');
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if (sep != NULL) *sep = '\0';
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}
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CFStringRef lang_code;
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lang_code = CFStringCreateWithCString(kCFAllocatorDefault, lang, kCFStringEncodingUTF8);
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/* Create a font iterator and iterate over all fonts that
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* are available to the application. */
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ATSFontIterator itr;
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ATSFontRef font;
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ATSFontIteratorCreate(kATSFontContextLocal, NULL, NULL, kATSOptionFlagsUnRestrictedScope, &itr);
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while (!result && ATSFontIteratorNext(itr, &font) == noErr) {
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/* Get CoreText font handle. */
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CTFontRef font_ref = CTFontCreateWithPlatformFont(font, 0.0, NULL, NULL);
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CFArrayRef langs = CTFontCopySupportedLanguages(font_ref);
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if (langs != NULL) {
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/* Font has a list of supported languages. */
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for (CFIndex i = 0; i < CFArrayGetCount(langs); i++) {
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CFStringRef lang = (CFStringRef)CFArrayGetValueAtIndex(langs, i);
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if (CFStringCompare(lang, lang_code, kCFCompareAnchored) == kCFCompareEqualTo) {
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/* Lang code is supported by font, get full font name. */
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CFStringRef font_name = CTFontCopyFullName(font_ref);
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char name[128];
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CFStringGetCString(font_name, name, lengthof(name), kCFStringEncodingUTF8);
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CFRelease(font_name);
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/* Skip some inappropriate or ugly looking fonts that have better alternatives. */
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if (strncmp(name, "Courier", 7) == 0 || strncmp(name, "Apple Symbols", 13) == 0 ||
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strncmp(name, ".Aqua", 5) == 0 || strncmp(name, "LastResort", 10) == 0 ||
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strncmp(name, "GB18030 Bitmap", 14) == 0) continue;
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/* Save result. */
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strecpy(settings->small_font, name, lastof(settings->small_font));
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strecpy(settings->medium_font, name, lastof(settings->medium_font));
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strecpy(settings->large_font, name, lastof(settings->large_font));
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DEBUG(freetype, 2, "CT-Font for %s: %s", language_isocode, name);
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result = true;
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break;
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}
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}
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CFRelease(langs);
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}
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CFRelease(font_ref);
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}
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ATSFontIteratorRelease(&itr);
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CFRelease(lang_code);
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} else
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#endif
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{
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#if (MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_5) && !__LP64__
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/* Determine fallback font using ATSUI. This uses a string sample with
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* missing characters. This is not failure-proof, but a better way like
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* using the isocode as in the CoreText code path is not available.
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* ATSUI was deprecated with 10.6 and is only partially available in
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* 64-bit mode. */
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/* Extract a UniChar represenation of the sample string. */
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CFStringRef cf_str = CFStringCreateWithCString(kCFAllocatorDefault, str, kCFStringEncodingUTF8);
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if (cf_str == NULL) {
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/* Something went wrong. Corrupt/invalid sample string? */
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return false;
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}
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CFIndex str_len = CFStringGetLength(cf_str);
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UniChar string[str_len];
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CFStringGetCharacters(cf_str, CFRangeMake(0, str_len), string);
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/* Create a default text style with the default font. */
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ATSUStyle style;
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ATSUCreateStyle(&style);
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/* Create a text layout object from the sample string using the text style. */
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UniCharCount run_len = kATSUToTextEnd;
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ATSUTextLayout text_layout;
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ATSUCreateTextLayoutWithTextPtr(string, kATSUFromTextBeginning, kATSUToTextEnd, str_len, 1, &run_len, &style, &text_layout);
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/* Try to match a font for the sample text. ATSUMatchFontsToText stops after
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* it finds the first continous character run not renderable with the currently
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* selected font starting at offset. The matching needs to be repeated until
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* the end of the string is reached to make sure the fallback font matches for
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* all characters in the string and not only the first run. */
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UniCharArrayOffset offset = kATSUFromTextBeginning;
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OSStatus os_err;
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do {
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ATSUFontID font;
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UniCharCount run_len;
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os_err = ATSUMatchFontsToText(text_layout, offset, kATSUToTextEnd, &font, &offset, &run_len);
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if (os_err == kATSUFontsMatched) {
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/* Found a better fallback font. Update the text layout
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* object with the new font. */
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ATSUAttributeTag tag = kATSUFontTag;
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ByteCount size = sizeof(font);
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ATSUAttributeValuePtr val = &font;
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ATSUSetAttributes(style, 1, &tag, &size, &val);
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offset += run_len;
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}
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/* Exit if the end of the string is reached or some other error occured. */
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} while (os_err == kATSUFontsMatched && offset < (UniCharArrayOffset)str_len);
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if (os_err == noErr || os_err == kATSUFontsMatched) {
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/* ATSUMatchFontsToText exited normally. Extract font
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* out of the text layout object. */
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ATSUFontID font;
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ByteCount act_len;
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ATSUGetAttribute(style, kATSUFontTag, sizeof(font), &font, &act_len);
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/* Get unique font name. The result is not a c-string, we have
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* to leave space for a \0 and terminate it ourselves. */
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char name[128];
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ATSUFindFontName(font, kFontUniqueName, kFontNoPlatformCode, kFontNoScriptCode, kFontNoLanguageCode, 127, name, &act_len, NULL);
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name[act_len > 127 ? 127 : act_len] = '\0';
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/* Save Result. */
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strecpy(settings->small_font, name, lastof(settings->small_font));
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strecpy(settings->medium_font, name, lastof(settings->medium_font));
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strecpy(settings->large_font, name, lastof(settings->large_font));
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DEBUG(freetype, 2, "ATSUI-Font for %s: %s", language_isocode, name);
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result = true;
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}
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ATSUDisposeTextLayout(text_layout);
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ATSUDisposeStyle(style);
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CFRelease(cf_str);
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#endif
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}
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if (result && strncmp(settings->medium_font, "Geeza Pro", 9) == 0) {
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/* The font 'Geeza Pro' is often found for arabic characters, but
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* it has the 'tiny' problem of not having any latin characters.
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* 'Arial Unicode MS' on the other hand has arabic and latin glyphs,
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* but seems to 'forget' to inform the OS about this fact. Manually
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* substitute the latter for the former if it is loadable. */
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bool ft_init = _library != NULL;
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FT_Face face;
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/* Init FreeType if needed. */
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if ((ft_init || FT_Init_FreeType(&_library) == FT_Err_Ok) && GetFontByFaceName("Arial Unicode MS", &face) == FT_Err_Ok) {
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FT_Done_Face(face);
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strecpy(settings->small_font, "Arial Unicode MS", lastof(settings->small_font));
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strecpy(settings->medium_font, "Arial Unicode MS", lastof(settings->medium_font));
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strecpy(settings->large_font, "Arial Unicode MS", lastof(settings->large_font));
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DEBUG(freetype, 1, "Replacing font 'Geeza Pro' with 'Arial Unicode MS'");
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}
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if (!ft_init) {
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/* Uninit FreeType if we did the init. */
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FT_Done_FreeType(_library);
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_library = NULL;
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}
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}
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return result;
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}
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#elif defined(WITH_FONTCONFIG)
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static FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
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{
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@ -417,7 +638,7 @@ static FT_Error GetFontByFaceName(const char *font_name, FT_Face *face)
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return err;
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}
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bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid)
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bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, const char *str)
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{
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if (!FcInit()) return false;
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@ -483,7 +704,7 @@ error_pattern:
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#else /* without WITH_FONTCONFIG */
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FT_Error GetFontByFaceName(const char *font_name, FT_Face *face) {return FT_Err_Cannot_Open_Resource;}
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bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid) { return false; }
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bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, const char *str) { return false; }
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#endif /* WITH_FONTCONFIG */
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/**
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