/* -*- 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 . */ #ifndef INCLUDED_VCL_METRIC_HXX #define INCLUDED_VCL_METRIC_HXX #include #include #include #include class ImplFontMetric; class ImplFontCharMap; typedef sal_uInt32 sal_UCS4; typedef boost::intrusive_ptr< ImplFontCharMap > ImplFontCharMapPtr; namespace vcl { // avoid problems where poppler's FontInfo is picked up class VCL_DLLPUBLIC FontInfo : public vcl::Font { friend class ::OutputDevice; protected: ImplFontMetric* mpImplMetric; // Implementation public: FontInfo(); FontInfo( const FontInfo& ); ~FontInfo(); FontType GetType() const; FontInfo& operator=( const FontInfo& ); bool operator==( const FontInfo& ) const; bool operator!=( const FontInfo& rInfo ) const { return !operator==( rInfo ); } }; } class VCL_DLLPUBLIC FontMetric : public vcl::FontInfo { public: FontMetric() {} FontMetric( const FontMetric& ); ~FontMetric() {} long GetAscent() const; long GetDescent() const; long GetIntLeading() const; long GetExtLeading() const; long GetLineHeight() const; long GetSlant() const; FontMetric& operator=( const FontMetric& rMetric ); bool operator==( const FontMetric& rMetric ) const; bool operator!=( const FontMetric& rMetric ) const { return !operator==( rMetric ); } }; template< typename charT, typename traits > inline std::basic_ostream & operator <<( std::basic_ostream & stream, const FontMetric& rMetric ) { stream << "{" << "name=" << "\"" << rMetric.GetName() << "\"" << ",size=(" << rMetric.GetSize().Width() << "," << rMetric.GetSize().Height() << ")" << ",ascent=" << rMetric.GetAscent() << ",descent=" << rMetric.GetDescent() << ",intLeading=" << rMetric.GetIntLeading() << ",extLeading=" << rMetric.GetExtLeading() << ",lineHeight=" << rMetric.GetLineHeight() << ",slant=" << rMetric.GetSlant() << "}"; return stream; } class VCL_DLLPUBLIC FontCharMap { private: ImplFontCharMapPtr mpImplFontCharMap; public: /** A new FontCharMap is created based on a "default" map, which includes all codepoints in the Unicode BMP range, including surrogates. **/ FontCharMap(); ~FontCharMap(); /** Determines if the font character map is the "default". The default map includes all codepoints in the Unicode BMP range, including surrogates. @returns true if default map, false if not default map. */ bool IsDefaultMap() const; /** Does the font character map include the UCS4 character? @returns true if character exists in font character map, false is not. */ bool HasChar( sal_UCS4 ) const; /** UCS4 codepoints. @param cMin Lowest codepoint in range to be counted @param cMax Highest codepoitn in range to be counted @returns number of characters in the font charmap between the two codepoints. */ int CountCharsInRange( sal_UCS4 cMin, sal_UCS4 cMax ) const; /** Get the number of characters in the font character map. @returns number of characters in the font character map. */ int GetCharCount() const; /** Get the first character in the font character map. @returns first character in the font character map. */ sal_UCS4 GetFirstChar() const; /** Get the last character in the font character map. @returns last character in the font character map. */ sal_UCS4 GetLastChar() const; /** Get the next character in the font character map. This is important because character maps (e.g. the default map which holds the characters in the BMP plane) can have discontiguous ranges. @param cChar Character from which to find next character @returns next character in the font character map. */ sal_UCS4 GetNextChar( sal_UCS4 cChar ) const; /** Get the previous character in the font character map. This is important because character maps (e.g. the default map which holds the characters in the BMP plane) can have discontiguous ranges. @param cChar Character from which to find previous character @returns previous character in the font character map. */ sal_UCS4 GetPrevChar( sal_UCS4 cChar ) const; /** Get the index of a particular character in the font character map. The index is different from the codepoint, because font character maps can determine the index. @param cChar Character used to find index number @returns Index of character in font character map. */ int GetIndexFromChar( sal_UCS4 cChar ) const; /** Get the character at a particular index in the font character map. The index is different from the codepoint, because font character maps can determine the character. @param nCharIndex Index used to find the character @returns Character in font character map. */ sal_UCS4 GetCharFromIndex( int nCharIndex ) const; private: friend class ::OutputDevice; void Reset( const ImplFontCharMapPtr pNewMap = NULL ); // prevent assignment and copy construction FontCharMap( const FontCharMap& ); void operator=( const FontCharMap& ); }; class VCL_DLLPUBLIC TextRectInfo { friend class ::OutputDevice; private: long mnMaxWidth; sal_uInt16 mnLineCount; bool mbEllipsis; public: TextRectInfo(); sal_uInt16 GetLineCount() const { return mnLineCount; } long GetMaxLineWidth() const { return mnMaxWidth; } bool IsEllipses() const { return mbEllipsis; } bool operator ==( const TextRectInfo& rInfo ) const { return ((mnMaxWidth == rInfo.mnMaxWidth) && (mnLineCount == rInfo.mnLineCount) && (mbEllipsis == rInfo.mbEllipsis)); } bool operator !=( const TextRectInfo& rInfo ) const { return !(TextRectInfo::operator==( rInfo )); } }; inline TextRectInfo::TextRectInfo() { mnMaxWidth = 0; mnLineCount = 0; mbEllipsis = false; } #endif // INCLUDED_VCL_METRIC_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */