1*9f62ea84SAndrew Rist /**************************************************************
2cdf0e10cSrcweir *
3*9f62ea84SAndrew Rist * Licensed to the Apache Software Foundation (ASF) under one
4*9f62ea84SAndrew Rist * or more contributor license agreements. See the NOTICE file
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7*9f62ea84SAndrew Rist * to you under the Apache License, Version 2.0 (the
8*9f62ea84SAndrew Rist * "License"); you may not use this file except in compliance
9*9f62ea84SAndrew Rist * with the License. You may obtain a copy of the License at
10*9f62ea84SAndrew Rist *
11*9f62ea84SAndrew Rist * http://www.apache.org/licenses/LICENSE-2.0
12*9f62ea84SAndrew Rist *
13*9f62ea84SAndrew Rist * Unless required by applicable law or agreed to in writing,
14*9f62ea84SAndrew Rist * software distributed under the License is distributed on an
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20*9f62ea84SAndrew Rist *************************************************************/
21*9f62ea84SAndrew Rist
22*9f62ea84SAndrew Rist
23cdf0e10cSrcweir
24cdf0e10cSrcweir #include "precompiled_vcl.hxx"
25cdf0e10cSrcweir
26cdf0e10cSrcweir #include "pdffontcache.hxx"
27cdf0e10cSrcweir #include <salgdi.hxx>
28cdf0e10cSrcweir #include <outfont.hxx>
29cdf0e10cSrcweir #include <sallayout.hxx>
30cdf0e10cSrcweir
31cdf0e10cSrcweir using namespace vcl;
32cdf0e10cSrcweir
FontIdentifier(const ImplFontData * pFont,bool bVertical)33cdf0e10cSrcweir PDFFontCache::FontIdentifier::FontIdentifier( const ImplFontData* pFont, bool bVertical ) :
34cdf0e10cSrcweir m_nFontId( pFont->GetFontId() ),
35cdf0e10cSrcweir m_nMagic( pFont->GetFontMagic() ),
36cdf0e10cSrcweir m_bVertical( bVertical )
37cdf0e10cSrcweir {
38cdf0e10cSrcweir }
39cdf0e10cSrcweir
getFont(const ImplFontData * pFont,bool bVertical)40cdf0e10cSrcweir PDFFontCache::FontData& PDFFontCache::getFont( const ImplFontData* pFont, bool bVertical )
41cdf0e10cSrcweir {
42cdf0e10cSrcweir FontIdentifier aId( pFont, bVertical );
43cdf0e10cSrcweir FontToIndexMap::iterator it = m_aFontToIndex.find( aId );
44cdf0e10cSrcweir if( it != m_aFontToIndex.end() )
45cdf0e10cSrcweir return m_aFonts[ it->second ];
46cdf0e10cSrcweir m_aFontToIndex[ aId ] = sal_uInt32(m_aFonts.size());
47cdf0e10cSrcweir m_aFonts.push_back( FontData() );
48cdf0e10cSrcweir return m_aFonts.back();
49cdf0e10cSrcweir }
50cdf0e10cSrcweir
getGlyphWidth(const ImplFontData * pFont,sal_GlyphId nGlyph,bool bVertical,SalGraphics * pGraphics)51cdf0e10cSrcweir sal_Int32 PDFFontCache::getGlyphWidth( const ImplFontData* pFont, sal_GlyphId nGlyph, bool bVertical, SalGraphics* pGraphics )
52cdf0e10cSrcweir {
53cdf0e10cSrcweir sal_Int32 nWidth = 0;
54cdf0e10cSrcweir FontData& rFontData( getFont( pFont, bVertical ) );
55cdf0e10cSrcweir if( rFontData.m_nWidths.empty() )
56cdf0e10cSrcweir {
57cdf0e10cSrcweir pGraphics->GetGlyphWidths( pFont, bVertical, rFontData.m_nWidths, rFontData.m_aGlyphIdToIndex );
58cdf0e10cSrcweir }
59cdf0e10cSrcweir if( ! rFontData.m_nWidths.empty() )
60cdf0e10cSrcweir {
61cdf0e10cSrcweir sal_GlyphId nIndex = nGlyph;
62cdf0e10cSrcweir if( (nGlyph & GF_ISCHAR) != 0 )
63cdf0e10cSrcweir {
64cdf0e10cSrcweir const sal_Ucs cCode = static_cast<sal_Ucs>(nGlyph & GF_IDXMASK);
65cdf0e10cSrcweir Ucs2UIntMap::const_iterator it = rFontData.m_aGlyphIdToIndex.find( cCode );
66cdf0e10cSrcweir
67cdf0e10cSrcweir // allow symbol aliasing U+00xx -> U+F0xx if there is no direct match
68cdf0e10cSrcweir if( it == rFontData.m_aGlyphIdToIndex.end()
69cdf0e10cSrcweir && pFont->IsSymbolFont()
70cdf0e10cSrcweir && (cCode < 0x0100) )
71cdf0e10cSrcweir it = rFontData.m_aGlyphIdToIndex.find( cCode+0xF000 );
72cdf0e10cSrcweir
73cdf0e10cSrcweir nIndex = (it != rFontData.m_aGlyphIdToIndex.end()) ? it->second : 0;
74cdf0e10cSrcweir }
75cdf0e10cSrcweir nIndex &= GF_IDXMASK;
76cdf0e10cSrcweir if( nIndex < rFontData.m_nWidths.size() )
77cdf0e10cSrcweir nWidth = rFontData.m_nWidths[ nIndex ];
78cdf0e10cSrcweir }
79cdf0e10cSrcweir return nWidth;
80cdf0e10cSrcweir }
81cdf0e10cSrcweir
82