diff options
author | Caolán McNamara <caolanm@redhat.com> | 2013-10-05 10:32:12 +0100 |
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committer | Caolán McNamara <caolanm@redhat.com> | 2013-10-07 09:16:21 +0100 |
commit | 225539ab08043b6937fdd67d9ae308ebd4104646 (patch) | |
tree | eb695a2016a2aa5b6886a94950a4c27794642aaf /vcl/generic | |
parent | 54250655897009914936f02e04d601eadfddb2c1 (diff) |
CID#736943 clamp no of ttc entries to physical max
Change-Id: Ic63defe9c14c6ee2b86bd5b7730a570238ca3981
Diffstat (limited to 'vcl/generic')
-rw-r--r-- | vcl/generic/fontmanager/fontmanager.cxx | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/vcl/generic/fontmanager/fontmanager.cxx b/vcl/generic/fontmanager/fontmanager.cxx index 2ab8e6c9c4f8..6d47ed5f5c56 100644 --- a/vcl/generic/fontmanager/fontmanager.cxx +++ b/vcl/generic/fontmanager/fontmanager.cxx @@ -1175,6 +1175,39 @@ bool PrintFontManager::analyzeFontFile( int nDirID, const OString& rFontFile, :: #if OSL_DEBUG_LEVEL > 1 fprintf( stderr, "ttc: %s contains %d fonts\n", aFullPath.getStr(), nLength ); #endif + + sal_uInt64 fileSize; + + OUString aURL; + if (!osl::File::getFileURLFromSystemPath(OStringToOUString(aFullPath, osl_getThreadTextEncoding()), + aURL)) + { + fileSize = 0; + } + else + { + osl::File aFile(aURL); + if (aFile.open(osl_File_OpenFlag_Read | osl_File_OpenFlag_NoLock) != osl::File::E_None) + fileSize = 0; + else + { + osl::DirectoryItem aItem; + osl::DirectoryItem::get( aURL, aItem ); + osl::FileStatus aFileStatus( osl_FileStatus_Mask_FileSize ); + aItem.getFileStatus( aFileStatus ); + fileSize = aFileStatus.getFileSize(); + } + } + + //Feel free to calc the exact max possible number of fonts a file + //could contain given its physical size. But this will clamp it to + //a sane starting point + //http://processingjs.nihongoresources.com/the_smallest_font/ + //https://github.com/grzegorzrolek/null-ttf + int nMaxFontsPossible = fileSize / 528; + + nLength = std::min(nLength, nMaxFontsPossible); + for( int i = 0; i < nLength; i++ ) { TrueTypeFontFile* pFont = new TrueTypeFontFile(); |