Drop "CJK extra leading" crack

It have been unused on Mac OS X since since 2008 (commit
da4d070d9d2d563f6e1401496957b22b51c81ff9).

Change-Id: I4b3eabe71a54021903009310a87319c9caecfd4c

1 files changed, 0 insertions, 43 deletions

diff --git a/vcl/coretext/salgdi2.cxx b/vcl/coretext/salgdi2.cxx
index 2f7da5bab0e0..774c1d702767 100644
--- a/vcl/coretext/salgdi2.cxx
+++ b/vcl/coretext/salgdi2.cxx
@@ -77,7 +77,6 @@ ImplMacFontData::ImplMacFontData( const ImplMacFontData& rSrc )
 ,   mbOs2Read( rSrc.mbOs2Read )
 ,   mbHasOs2Table( rSrc.mbHasOs2Table )
 ,   mbCmapEncodingRead( rSrc.mbCmapEncodingRead )
-,   mbHasCJKSupport( rSrc.mbHasCJKSupport )
 {
     if( mpCharMap )
         mpCharMap->AddReference();
@@ -92,7 +91,6 @@ ImplMacFontData::ImplMacFontData( const ImplDevFontAttributes& rDFA, sal_IntPtr
 ,   mbOs2Read( false )
 ,   mbHasOs2Table( false )
 ,   mbCmapEncodingRead( false )
-,   mbHasCJKSupport( false )
 ,   mbFontCapabilitiesRead( false )
 {}
 
@@ -121,7 +119,6 @@ ImplFontEntry* ImplMacFontData::CreateFontInstance(FontSelectPattern& rFSD) cons
 // -----------------------------------------------------------------------
 
 static unsigned GetUShort( const unsigned char* p ){return((p[0]<<8)+p[1]);}
-static unsigned GetUInt( const unsigned char* p ) { return((p[0]<<24)+(p[1]<<16)+(p[2]<<8)+p[3]);}
 
 const ImplFontCharMap* ImplMacFontData::GetImplFontCharMap() const
 {
@@ -233,16 +230,6 @@ void ImplMacFontData::ReadOs2Table( void ) const
 
     // parse the OS/2 raw data
     // TODO: also analyze panose info, etc.
-
-    // check if the fonts needs the "CJK extra leading" heuristic
-    const unsigned char* pOS2map = &aBuffer[0];
-    const sal_uInt32 nVersion = GetUShort( pOS2map );
-    if( nVersion >= 0x0001 )
-    {
-        sal_uInt32 ulUnicodeRange2 = GetUInt( pOS2map + 46 );
-        if( ulUnicodeRange2 & 0x2DF00000 )
-            mbHasCJKSupport = true;
-    }
 }
 
 void ImplMacFontData::ReadMacCmapEncoding( void ) const
@@ -266,40 +253,10 @@ void ImplMacFontData::ReadMacCmapEncoding( void ) const
     const unsigned char* pCmap = &aBuffer[0];
     if( GetUShort( pCmap ) != 0x0000 )
         return;
-
-    // check if the fonts needs the "CJK extra leading" heuristic
-    int nSubTables = GetUShort( pCmap + 2 );
-
-    for( const unsigned char* p = pCmap + 4; --nSubTables >= 0; p += 8 )
-    {
-        int nPlatform = GetUShort( p );
-        if( nPlatform == kFontMacintoshPlatform ) {
-            int nEncoding = GetUShort (p + 2 );
-            if( nEncoding == kFontJapaneseScript ||
-                nEncoding == kFontTraditionalChineseScript ||
-                nEncoding == kFontKoreanScript ||
-                nEncoding == kFontSimpleChineseScript )
-            {
-                mbHasCJKSupport = true;
-                break;
-            }
-        }
-    }
 }
 
 // -----------------------------------------------------------------------
 
-bool ImplMacFontData::HasCJKSupport( void ) const
-{
-    ReadOs2Table();
-    if( !mbHasOs2Table )
-        ReadMacCmapEncoding();
-
-    return mbHasCJKSupport;
-}
-
-// =======================================================================
-
 AquaSalGraphics::AquaSalGraphics()
     : mpFrame( NULL )
     , mxLayer( NULL )