From 36644331aad8382ccab7fb19d7ab3339bbff0c20 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Caol=C3=A1n=20McNamara?= Date: Thu, 1 Dec 2011 14:18:09 +0100 Subject: [PATCH 2/2] #i105784# vcl: improve selection of fallback font by supplying language hint when none exists --- vcl/generic/fontmanager/fontconfig.cxx | 143 +++++++++++++++++++++++++++++++- 1 files changed, 141 insertions(+), 2 deletions(-) diff --git a/vcl/generic/fontmanager/fontconfig.cxx b/vcl/generic/fontmanager/fontconfig.cxx index 4d02a76..ecd3b5d 100644 --- a/vcl/generic/fontmanager/fontconfig.cxx +++ b/vcl/generic/fontmanager/fontconfig.cxx @@ -89,6 +89,9 @@ using namespace psp; #include "sal/alloca.h" +#include //unicode::getUnicodeScriptType +#include //ScriptType + #include #include @@ -747,6 +750,138 @@ static void addtopattern(FcPattern *pPattern, return 0; } +static const char* pick_sample_language(const sal_uInt32 cCode) +{ + using namespace ::com::sun::star::i18n; + + static ScriptTypeList aScripts[] = + { + { UnicodeScript_kBasicLatin, UnicodeScript_kBasicLatin, UnicodeScript_kBasicLatin }, + { UnicodeScript_kLatin1Supplement, UnicodeScript_kLatin1Supplement, UnicodeScript_kLatin1Supplement }, + { UnicodeScript_kLatinExtendedA, UnicodeScript_kLatinExtendedA, UnicodeScript_kLatinExtendedA }, + { UnicodeScript_kLatinExtendedB, UnicodeScript_kLatinExtendedB, UnicodeScript_kLatinExtendedB }, + { UnicodeScript_kGreek, UnicodeScript_kGreek, UnicodeScript_kGreek }, + { UnicodeScript_kCyrillic, UnicodeScript_kCyrillic, UnicodeScript_kCyrillic }, + { UnicodeScript_kArmenian, UnicodeScript_kArmenian, UnicodeScript_kArmenian }, + { UnicodeScript_kHebrew, UnicodeScript_kHebrew, UnicodeScript_kHebrew }, + { UnicodeScript_kArabic, UnicodeScript_kArabic, UnicodeScript_kArabic }, + { UnicodeScript_kSyriac, UnicodeScript_kSyriac, UnicodeScript_kSyriac }, + { UnicodeScript_kThaana, UnicodeScript_kThaana, UnicodeScript_kThaana }, + { UnicodeScript_kDevanagari, UnicodeScript_kDevanagari, UnicodeScript_kDevanagari }, + { UnicodeScript_kBengali, UnicodeScript_kBengali, UnicodeScript_kBengali }, + { UnicodeScript_kGurmukhi, UnicodeScript_kGurmukhi, UnicodeScript_kGurmukhi }, + { UnicodeScript_kGujarati, UnicodeScript_kGujarati, UnicodeScript_kGujarati }, + { UnicodeScript_kOriya, UnicodeScript_kOriya, UnicodeScript_kOriya }, + { UnicodeScript_kTamil, UnicodeScript_kTamil, UnicodeScript_kTamil }, + { UnicodeScript_kTelugu, UnicodeScript_kTelugu, UnicodeScript_kTelugu }, + { UnicodeScript_kKannada, UnicodeScript_kKannada, UnicodeScript_kKannada }, + { UnicodeScript_kMalayalam, UnicodeScript_kMalayalam, UnicodeScript_kMalayalam }, + { UnicodeScript_kSinhala, UnicodeScript_kSinhala, UnicodeScript_kSinhala }, + { UnicodeScript_kThai, UnicodeScript_kThai, UnicodeScript_kThai }, + { UnicodeScript_kLao, UnicodeScript_kLao, UnicodeScript_kLao }, + { UnicodeScript_kTibetan, UnicodeScript_kTibetan, UnicodeScript_kTibetan }, + { UnicodeScript_kMyanmar, UnicodeScript_kMyanmar, UnicodeScript_kMyanmar }, + { UnicodeScript_kGeorgian, UnicodeScript_kGeorgian, UnicodeScript_kGeorgian }, + { UnicodeScript_kHangulJamo, UnicodeScript_kHangulJamo, UnicodeScript_kHangulJamo }, + { UnicodeScript_kEthiopic, UnicodeScript_kEthiopic, UnicodeScript_kEthiopic }, + { UnicodeScript_kCherokee, UnicodeScript_kCherokee, UnicodeScript_kCherokee }, + { UnicodeScript_kUnifiedCanadianAboriginalSyllabics, + UnicodeScript_kUnifiedCanadianAboriginalSyllabics, + UnicodeScript_kUnifiedCanadianAboriginalSyllabics }, + { UnicodeScript_kKhmer, UnicodeScript_kKhmer, UnicodeScript_kKhmer }, + { UnicodeScript_kMongolian, UnicodeScript_kMongolian, UnicodeScript_kMongolian }, + { UnicodeScript_kLatinExtendedAdditional, UnicodeScript_kLatinExtendedAdditional, + UnicodeScript_kLatinExtendedAdditional }, + { UnicodeScript_kGreekExtended, UnicodeScript_kGreekExtended, UnicodeScript_kGreekExtended }, + { UnicodeScript_kHiragana, UnicodeScript_kHiragana, UnicodeScript_kHiragana }, + { UnicodeScript_kKatakana, UnicodeScript_kKatakana, UnicodeScript_kKatakana }, + { UnicodeScript_kHangulCompatibilityJamo, UnicodeScript_kHangulCompatibilityJamo, + UnicodeScript_kHangulCompatibilityJamo }, + { UnicodeScript_kHangulSyllable, UnicodeScript_kHangulSyllable, + UnicodeScript_kHangulSyllable }, + { UnicodeScript_kArabicPresentationB, UnicodeScript_kArabicPresentationB, + UnicodeScript_kArabicPresentationB }, + { UnicodeScript_kScriptCount, UnicodeScript_kScriptCount, UnicodeScript_kScriptCount } + }; + + switch (unicode::getUnicodeScriptType(cCode, aScripts, UnicodeScript_kScriptCount)) + { + case UnicodeScript_kBasicLatin: + case UnicodeScript_kLatin1Supplement: + case UnicodeScript_kLatinExtendedA: + case UnicodeScript_kLatinExtendedB: + case UnicodeScript_kLatinExtendedAdditional: + return "en"; + case UnicodeScript_kGreek: + case UnicodeScript_kGreekExtended: + return "el"; + case UnicodeScript_kCyrillic: + return "ru"; + case UnicodeScript_kArmenian: + return "hy"; + case UnicodeScript_kHebrew: + return "he"; + case UnicodeScript_kArabic: + case UnicodeScript_kArabicPresentationB: + return "ar"; + case UnicodeScript_kSyriac: + return "syr"; + case UnicodeScript_kThaana: + return "dv"; + case UnicodeScript_kDevanagari: + return "hi"; + case UnicodeScript_kBengali: + return "bn"; + case UnicodeScript_kGurmukhi: + return "pa"; + case UnicodeScript_kGujarati: + return "gu"; + case UnicodeScript_kOriya: + return "or"; + case UnicodeScript_kTamil: + return "ta"; + case UnicodeScript_kTelugu: + return "te"; + case UnicodeScript_kKannada: + return "ka"; + case UnicodeScript_kMalayalam: + return "ml"; + case UnicodeScript_kSinhala: + return "si"; + case UnicodeScript_kThai: + return "th"; + case UnicodeScript_kLao: + return "lo"; + case UnicodeScript_kTibetan: + return "bo"; + case UnicodeScript_kMyanmar: + return "my"; + case UnicodeScript_kGeorgian: + return "ka"; + case UnicodeScript_kHangulJamo: + case UnicodeScript_kHangulCompatibilityJamo: + case UnicodeScript_kHangulSyllable: + return "ko"; + case UnicodeScript_kEthiopic: + return "am"; + case UnicodeScript_kCherokee: + return "chr"; + case UnicodeScript_kUnifiedCanadianAboriginalSyllabics: + return "ui"; + case UnicodeScript_kKhmer: + return "km"; + case UnicodeScript_kMongolian: + return "mn"; + case UnicodeScript_kHiragana: + case UnicodeScript_kKatakana: + return "ja"; + default: + break; + } + + return NULL; +} + bool PrintFontManager::Substitute( FontSelectPattern &rPattern, rtl::OUString& rMissingCodes ) { bool bRet = false; @@ -764,14 +899,13 @@ bool PrintFontManager::Substitute( FontSelectPattern &rPattern, rtl::OUString& r FcPatternAddString(pPattern, FC_FAMILY, pTargetNameUtf8); const rtl::OString aLangAttrib = MsLangId::convertLanguageToIsoByteString(rPattern.meLanguage); + const FcChar8* pLangAttribUtf8 = NULL; if( !aLangAttrib.isEmpty() ) { - const FcChar8* pLangAttribUtf8; if (aLangAttrib.equalsIgnoreAsciiCase(OString(RTL_CONSTASCII_STRINGPARAM("pa-in")))) pLangAttribUtf8 = (FcChar8*)"pa"; else pLangAttribUtf8 = (FcChar8*)aLangAttrib.getStr(); - FcPatternAddString(pPattern, FC_LANG, pLangAttribUtf8); } // Add required Unicode characters, if any @@ -783,11 +917,16 @@ bool PrintFontManager::Substitute( FontSelectPattern &rPattern, rtl::OUString& r // also handle unicode surrogates const sal_uInt32 nCode = rMissingCodes.iterateCodePoints( &nStrIndex ); FcCharSetAddChar( unicodes, nCode ); + if (!pLangAttribUtf8) + pLangAttribUtf8 = (const FcChar8*)pick_sample_language(nCode); } FcPatternAddCharSet(pPattern, FC_CHARSET, unicodes); FcCharSetDestroy(unicodes); } + if( pLangAttribUtf8 ) + FcPatternAddString( pPattern, FC_LANG, pLangAttribUtf8 ); + addtopattern(pPattern, rPattern.meItalic, rPattern.meWeight, rPattern.meWidthType, rPattern.mePitch); -- 1.7.7.3