| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #include "precompiled_vcl.hxx" |
| |
| #include "pdffontcache.hxx" |
| #include <salgdi.hxx> |
| #include <outfont.hxx> |
| #include <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; |
| } |
| |