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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 : #include <sal/types.h>
21 :
22 : #include "outfont.hxx"
23 : #include "PhysicalFontFace.hxx"
24 : #include "salgdi.hxx"
25 : #include "sallayout.hxx"
26 :
27 : #include "pdffontcache.hxx"
28 :
29 : using namespace vcl;
30 :
31 0 : PDFFontCache::FontIdentifier::FontIdentifier( const PhysicalFontFace* pFont, bool bVertical ) :
32 0 : m_nFontId( pFont->GetFontId() ),
33 0 : m_nMagic( pFont->GetFontMagic() ),
34 0 : m_bVertical( bVertical )
35 : {
36 0 : }
37 :
38 0 : PDFFontCache::FontData& PDFFontCache::getFont( const PhysicalFontFace* pFont, bool bVertical )
39 : {
40 0 : FontIdentifier aId( pFont, bVertical );
41 0 : FontToIndexMap::iterator it = m_aFontToIndex.find( aId );
42 0 : if( it != m_aFontToIndex.end() )
43 0 : return m_aFonts[ it->second ];
44 0 : m_aFontToIndex[ aId ] = sal_uInt32(m_aFonts.size());
45 0 : m_aFonts.push_back( FontData() );
46 0 : return m_aFonts.back();
47 : }
48 :
49 0 : sal_Int32 PDFFontCache::getGlyphWidth( const PhysicalFontFace* pFont, sal_GlyphId nGlyph, bool bVertical, SalGraphics* pGraphics )
50 : {
51 0 : sal_Int32 nWidth = 0;
52 0 : FontData& rFontData( getFont( pFont, bVertical ) );
53 0 : if( rFontData.m_nWidths.empty() )
54 : {
55 0 : pGraphics->GetGlyphWidths( pFont, bVertical, rFontData.m_nWidths, rFontData.m_aGlyphIdToIndex );
56 : }
57 0 : if( ! rFontData.m_nWidths.empty() )
58 : {
59 0 : sal_GlyphId nIndex = nGlyph;
60 0 : if( (nGlyph & GF_ISCHAR) != 0 )
61 : {
62 0 : const sal_Ucs cCode = static_cast<sal_Ucs>(nGlyph & GF_IDXMASK);
63 0 : Ucs2UIntMap::const_iterator it = rFontData.m_aGlyphIdToIndex.find( cCode );
64 :
65 : // allow symbol aliasing U+00xx -> U+F0xx if there is no direct match
66 0 : if( it == rFontData.m_aGlyphIdToIndex.end()
67 0 : && pFont->IsSymbolFont()
68 0 : && (cCode < 0x0100) )
69 0 : it = rFontData.m_aGlyphIdToIndex.find( cCode+0xF000 );
70 :
71 0 : nIndex = (it != rFontData.m_aGlyphIdToIndex.end()) ? it->second : 0;
72 : }
73 0 : nIndex &= GF_IDXMASK;
74 0 : if( nIndex < rFontData.m_nWidths.size() )
75 0 : nWidth = rFontData.m_nWidths[ nIndex ];
76 : }
77 0 : return nWidth;
78 801 : }
79 :
80 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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