1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include "pdffontcache.hxx"
#include <salgdi.hxx>
#include <outfont.hxx>
#include <sallayout.hxx>
using namespace vcl;
PDFFontCache::FontIdentifier::FontIdentifier( const PhysicalFontFace* pFont, bool bVertical ) :
m_nFontId( pFont->GetFontId() ),
m_nMagic( pFont->GetFontMagic() ),
m_bVertical( bVertical )
{
}
PDFFontCache::FontData& PDFFontCache::getFont( const PhysicalFontFace* 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 PhysicalFontFace* 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;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
