LibreOffice Module vcl (master)  1
pdffontcache.cxx
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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18  */
19 
20 #include <typeinfo>
21 
22 #include <sal/types.h>
23 
24 #include <PhysicalFontFace.hxx>
25 #include <salgdi.hxx>
26 
27 #include "pdffontcache.hxx"
28 
29 using namespace vcl;
30 
32  m_nFontId( pFont->GetFontId() ),
33  m_bVertical( bVertical ),
34  m_typeFontFace( const_cast<std::type_info*>(&typeid(pFont)) )
35 {
36 }
37 
39 {
40  FontIdentifier aId( pFont, bVertical );
41  FontToIndexMap::iterator it = m_aFontToIndex.find( aId );
42  if( it != m_aFontToIndex.end() )
43  return m_aFonts[ it->second ];
44  m_aFontToIndex[ aId ] = sal_uInt32(m_aFonts.size());
45  m_aFonts.emplace_back( );
46  return m_aFonts.back();
47 }
48 
49 sal_Int32 PDFFontCache::getGlyphWidth( const PhysicalFontFace* pFont, sal_GlyphId nGlyph, bool bVertical, SalGraphics* pGraphics )
50 {
51  sal_Int32 nWidth = 0;
52  FontData& rFontData( getFont( pFont, bVertical ) );
53  if( rFontData.m_nWidths.empty() )
54  {
55  pGraphics->GetGlyphWidths( pFont, bVertical, rFontData.m_nWidths, rFontData.m_aGlyphIdToIndex );
56  }
57  if( ! rFontData.m_nWidths.empty() )
58  {
59  if (nGlyph < rFontData.m_nWidths.size())
60  nWidth = rFontData.m_nWidths[nGlyph];
61  }
62  return nWidth;
63 }
64 
65 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
FontData & getFont(const PhysicalFontFace *, bool bVertical)
sal_uInt16 sal_GlyphId
Definition: glyphitem.hxx:26
abstract base class for physical font faces
std::vector< FontData > m_aFonts
virtual void GetGlyphWidths(const PhysicalFontFace *pFont, bool bVertical, std::vector< sal_Int32 > &rWidths, Ucs2UIntMap &rUnicodeEnc)=0
FontToIndexMap m_aFontToIndex
FontIdentifier(const PhysicalFontFace *, bool bVertical)
std::vector< sal_Int32 > m_nWidths
sal_Int32 getGlyphWidth(const PhysicalFontFace *, sal_GlyphId, bool bVertical, SalGraphics *)