1 files changed, 85 insertions, 0 deletions
diff --git a/vcl/source/gdi/pdffontcache.cxx b/vcl/source/gdi/pdffontcache.cxx
new file mode 100644
index 000000000000..507ede81ef24
--- /dev/null
+++ b/vcl/source/gdi/pdffontcache.cxx
@@ -0,0 +1,85 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#include "precompiled_vcl.hxx"
+
+#include "pdffontcache.hxx"
+#include <vcl/salgdi.hxx>
+#include <vcl/outfont.hxx>
+#include <vcl/sallayout.hxx>
+
+using namespace vcl;
+
+PDFFontCache::FontIdentifier::FontIdentifier( const ImplFontData* pFont, bool bVertical ) :
+    m_nFontId( pFont->GetFontId() ),
+    m_nMagic( pFont->GetFontMagic() ),
+    m_bVertical( bVertical )
+{
+}
+
+PDFFontCache::FontData& PDFFontCache::getFont( const ImplFontData* pFont, bool bVertical )
+{
+    FontIdentifier aId( pFont, bVertical );
+    FontToIndexMap::iterator it = m_aFontToIndex.find( aId );
+    if( it != m_aFontToIndex.end() )
+        return m_aFonts[ it->second ];
+    m_aFontToIndex[ aId ] = sal_uInt32(m_aFonts.size());
+    m_aFonts.push_back( FontData() );
+    return m_aFonts.back();
+}
+
+sal_Int32 PDFFontCache::getGlyphWidth( const ImplFontData* pFont, sal_GlyphId nGlyph, bool bVertical, SalGraphics* pGraphics )
+{
+    sal_Int32 nWidth = 0;
+    FontData& rFontData( getFont( pFont, bVertical ) );
+    if( rFontData.m_nWidths.empty() )
+    {
+        pGraphics->GetGlyphWidths( pFont, bVertical, rFontData.m_nWidths, rFontData.m_aGlyphIdToIndex );
+    }
+    if( ! rFontData.m_nWidths.empty() )
+    {
+        sal_GlyphId nIndex = nGlyph;
+        if( (nGlyph & GF_ISCHAR) != 0 )
+        {
+            const sal_Ucs cCode = static_cast<sal_Ucs>(nGlyph & GF_IDXMASK);
+            Ucs2UIntMap::const_iterator it = rFontData.m_aGlyphIdToIndex.find( cCode );
+
+            // allow symbol aliasing U+00xx -> U+F0xx if there is no direct match
+            if( it == rFontData.m_aGlyphIdToIndex.end()
+            &&  pFont->IsSymbolFont()
+            &&  (cCode < 0x0100) )
+                it = rFontData.m_aGlyphIdToIndex.find( cCode+0xF000 );
+
+            nIndex = (it != rFontData.m_aGlyphIdToIndex.end()) ? it->second : 0;
+        }
+        nIndex &= GF_IDXMASK;
+        if( nIndex < rFontData.m_nWidths.size() )
+            nWidth = rFontData.m_nWidths[ nIndex ];
+    }
+    return nWidth;
+}
+