Caolán McNamara
12 years ago
parent
77258ed213
commit
da0ced7f17
@ -1,201 +0,0 @@
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From 387b9d3293ef8582c400c670574a80ebb3aec4fd Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Caol=C3=A1n=20McNamara?= <caolanm@redhat.com>
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Date: Thu, 1 Dec 2011 14:18:09 +0100
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Subject: [PATCH] #i105784# vcl: improve selection of fallback font by
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supplying language hint when none exists
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---
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vcl/generic/fontmanager/fontconfig.cxx | 143 ++++++++++++++++++++++++++++++++-
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1 file changed, 141 insertions(+), 2 deletions(-)
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diff --git a/vcl/generic/fontmanager/fontconfig.cxx b/vcl/generic/fontmanager/fontconfig.cxx
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index a305095..028b269 100644
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--- a/vcl/generic/fontmanager/fontconfig.cxx
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+++ b/vcl/generic/fontmanager/fontconfig.cxx
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@@ -90,6 +90,9 @@ using namespace psp;
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#include "sal/alloca.h"
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+#include <i18nutil/unicode.hxx> //unicode::getUnicodeScriptType
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+#include <com/sun/star/i18n/ScriptType.hdl> //ScriptType
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+
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#include <utility>
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#include <algorithm>
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@@ -969,6 +972,138 @@ IMPL_LINK_NOARG(PrintFontManager, autoInstallFontLangSupport)
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return 0;
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}
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+static const char* pick_sample_language(const sal_uInt32 cCode)
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+{
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+ using namespace ::com::sun::star::i18n;
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+
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+ static ScriptTypeList aScripts[] =
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+ {
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+ { UnicodeScript_kBasicLatin, UnicodeScript_kBasicLatin, UnicodeScript_kBasicLatin },
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+ { UnicodeScript_kLatin1Supplement, UnicodeScript_kLatin1Supplement, UnicodeScript_kLatin1Supplement },
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+ { UnicodeScript_kLatinExtendedA, UnicodeScript_kLatinExtendedA, UnicodeScript_kLatinExtendedA },
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+ { UnicodeScript_kLatinExtendedB, UnicodeScript_kLatinExtendedB, UnicodeScript_kLatinExtendedB },
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+ { UnicodeScript_kGreek, UnicodeScript_kGreek, UnicodeScript_kGreek },
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+ { UnicodeScript_kCyrillic, UnicodeScript_kCyrillic, UnicodeScript_kCyrillic },
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+ { UnicodeScript_kArmenian, UnicodeScript_kArmenian, UnicodeScript_kArmenian },
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+ { UnicodeScript_kHebrew, UnicodeScript_kHebrew, UnicodeScript_kHebrew },
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+ { UnicodeScript_kArabic, UnicodeScript_kArabic, UnicodeScript_kArabic },
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+ { UnicodeScript_kSyriac, UnicodeScript_kSyriac, UnicodeScript_kSyriac },
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+ { UnicodeScript_kThaana, UnicodeScript_kThaana, UnicodeScript_kThaana },
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+ { UnicodeScript_kDevanagari, UnicodeScript_kDevanagari, UnicodeScript_kDevanagari },
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+ { UnicodeScript_kBengali, UnicodeScript_kBengali, UnicodeScript_kBengali },
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+ { UnicodeScript_kGurmukhi, UnicodeScript_kGurmukhi, UnicodeScript_kGurmukhi },
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+ { UnicodeScript_kGujarati, UnicodeScript_kGujarati, UnicodeScript_kGujarati },
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+ { UnicodeScript_kOriya, UnicodeScript_kOriya, UnicodeScript_kOriya },
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+ { UnicodeScript_kTamil, UnicodeScript_kTamil, UnicodeScript_kTamil },
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+ { UnicodeScript_kTelugu, UnicodeScript_kTelugu, UnicodeScript_kTelugu },
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+ { UnicodeScript_kKannada, UnicodeScript_kKannada, UnicodeScript_kKannada },
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+ { UnicodeScript_kMalayalam, UnicodeScript_kMalayalam, UnicodeScript_kMalayalam },
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+ { UnicodeScript_kSinhala, UnicodeScript_kSinhala, UnicodeScript_kSinhala },
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+ { UnicodeScript_kThai, UnicodeScript_kThai, UnicodeScript_kThai },
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+ { UnicodeScript_kLao, UnicodeScript_kLao, UnicodeScript_kLao },
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+ { UnicodeScript_kTibetan, UnicodeScript_kTibetan, UnicodeScript_kTibetan },
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+ { UnicodeScript_kMyanmar, UnicodeScript_kMyanmar, UnicodeScript_kMyanmar },
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+ { UnicodeScript_kGeorgian, UnicodeScript_kGeorgian, UnicodeScript_kGeorgian },
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+ { UnicodeScript_kHangulJamo, UnicodeScript_kHangulJamo, UnicodeScript_kHangulJamo },
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+ { UnicodeScript_kEthiopic, UnicodeScript_kEthiopic, UnicodeScript_kEthiopic },
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+ { UnicodeScript_kCherokee, UnicodeScript_kCherokee, UnicodeScript_kCherokee },
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+ { UnicodeScript_kUnifiedCanadianAboriginalSyllabics,
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+ UnicodeScript_kUnifiedCanadianAboriginalSyllabics,
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+ UnicodeScript_kUnifiedCanadianAboriginalSyllabics },
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+ { UnicodeScript_kKhmer, UnicodeScript_kKhmer, UnicodeScript_kKhmer },
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+ { UnicodeScript_kMongolian, UnicodeScript_kMongolian, UnicodeScript_kMongolian },
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+ { UnicodeScript_kLatinExtendedAdditional, UnicodeScript_kLatinExtendedAdditional,
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+ UnicodeScript_kLatinExtendedAdditional },
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+ { UnicodeScript_kGreekExtended, UnicodeScript_kGreekExtended, UnicodeScript_kGreekExtended },
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+ { UnicodeScript_kHiragana, UnicodeScript_kHiragana, UnicodeScript_kHiragana },
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+ { UnicodeScript_kKatakana, UnicodeScript_kKatakana, UnicodeScript_kKatakana },
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+ { UnicodeScript_kHangulCompatibilityJamo, UnicodeScript_kHangulCompatibilityJamo,
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+ UnicodeScript_kHangulCompatibilityJamo },
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+ { UnicodeScript_kHangulSyllable, UnicodeScript_kHangulSyllable,
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+ UnicodeScript_kHangulSyllable },
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+ { UnicodeScript_kArabicPresentationB, UnicodeScript_kArabicPresentationB,
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+ UnicodeScript_kArabicPresentationB },
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+ { UnicodeScript_kScriptCount, UnicodeScript_kScriptCount, UnicodeScript_kScriptCount }
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+ };
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+
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+ switch (unicode::getUnicodeScriptType(cCode, aScripts, UnicodeScript_kScriptCount))
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+ {
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+ case UnicodeScript_kBasicLatin:
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+ case UnicodeScript_kLatin1Supplement:
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+ case UnicodeScript_kLatinExtendedA:
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+ case UnicodeScript_kLatinExtendedB:
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+ case UnicodeScript_kLatinExtendedAdditional:
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+ return "en";
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+ case UnicodeScript_kGreek:
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+ case UnicodeScript_kGreekExtended:
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+ return "el";
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+ case UnicodeScript_kCyrillic:
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+ return "ru";
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+ case UnicodeScript_kArmenian:
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+ return "hy";
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+ case UnicodeScript_kHebrew:
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+ return "he";
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+ case UnicodeScript_kArabic:
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+ case UnicodeScript_kArabicPresentationB:
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+ return "ar";
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+ case UnicodeScript_kSyriac:
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+ return "syr";
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+ case UnicodeScript_kThaana:
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+ return "dv";
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+ case UnicodeScript_kDevanagari:
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+ return "hi";
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+ case UnicodeScript_kBengali:
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+ return "bn";
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+ case UnicodeScript_kGurmukhi:
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+ return "pa";
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+ case UnicodeScript_kGujarati:
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+ return "gu";
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+ case UnicodeScript_kOriya:
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+ return "or";
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+ case UnicodeScript_kTamil:
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+ return "ta";
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+ case UnicodeScript_kTelugu:
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+ return "te";
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+ case UnicodeScript_kKannada:
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+ return "ka";
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+ case UnicodeScript_kMalayalam:
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+ return "ml";
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+ case UnicodeScript_kSinhala:
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+ return "si";
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+ case UnicodeScript_kThai:
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+ return "th";
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+ case UnicodeScript_kLao:
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+ return "lo";
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+ case UnicodeScript_kTibetan:
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+ return "bo";
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+ case UnicodeScript_kMyanmar:
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+ return "my";
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+ case UnicodeScript_kGeorgian:
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+ return "ka";
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+ case UnicodeScript_kHangulJamo:
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+ case UnicodeScript_kHangulCompatibilityJamo:
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+ case UnicodeScript_kHangulSyllable:
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+ return "ko";
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+ case UnicodeScript_kEthiopic:
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+ return "am";
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+ case UnicodeScript_kCherokee:
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+ return "chr";
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+ case UnicodeScript_kUnifiedCanadianAboriginalSyllabics:
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+ return "ui";
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+ case UnicodeScript_kKhmer:
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+ return "km";
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+ case UnicodeScript_kMongolian:
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+ return "mn";
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+ case UnicodeScript_kHiragana:
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+ case UnicodeScript_kKatakana:
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+ return "ja";
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+ default:
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+ break;
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+ }
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+
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+ return NULL;
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+}
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+
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bool PrintFontManager::Substitute( FontSelectPattern &rPattern, OUString& rMissingCodes )
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{
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bool bRet = false;
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@@ -987,6 +1122,7 @@ bool PrintFontManager::Substitute( FontSelectPattern &rPattern, OUString& rMissi
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LanguageTag aLangTag(rPattern.meLanguage);
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OString aLangAttrib = mapToFontConfigLangTag(aLangTag);
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+ const FcChar8* pLangAttribUtf8 = (const FcChar8*)aLangAttrib.getStr();
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// Add required Unicode characters, if any
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if ( !rMissingCodes.isEmpty() )
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@@ -997,6 +1133,8 @@ bool PrintFontManager::Substitute( FontSelectPattern &rPattern, OUString& rMissi
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// also handle unicode surrogates
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const sal_uInt32 nCode = rMissingCodes.iterateCodePoints( &nStrIndex );
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FcCharSetAddChar( unicodes, nCode );
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+ if (!pLangAttribUtf8)
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+ pLangAttribUtf8 = (const FcChar8*)pick_sample_language(nCode);
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//#i105784#/rhbz#527719 improve selection of fallback font
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if (aLangAttrib.isEmpty())
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{
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@@ -1006,14 +1144,15 @@ bool PrintFontManager::Substitute( FontSelectPattern &rPattern, OUString& rMissi
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{
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aLangTag = getExemplerLangTagForCodePoint(nCode);
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aLangAttrib = mapToFontConfigLangTag(aLangTag);
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+ pLangAttribUtf8 = (const FcChar8*)aLangAttrib.getStr();
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}
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}
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FcPatternAddCharSet(pPattern, FC_CHARSET, unicodes);
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FcCharSetDestroy(unicodes);
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}
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- if (!aLangAttrib.isEmpty())
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- FcPatternAddString(pPattern, FC_LANG, (FcChar8*)aLangAttrib.getStr());
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+ if( pLangAttribUtf8 )
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+ FcPatternAddString( pPattern, FC_LANG, pLangAttribUtf8 );
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addtopattern(pPattern, rPattern.GetSlant(), rPattern.GetWeight(),
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rPattern.GetWidthType(), rPattern.GetPitch());
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--
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1.8.3.1
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