acd40306b3
Change-Id: Ifaa37246e79678aa0c548b9ca8a9faf8036b9195 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/164804 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
157 lines
5.4 KiB
C++
157 lines
5.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_FONTCHARMAP_HXX
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#define INCLUDED_FONTCHARMAP_HXX
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#include <vcl/dllapi.h>
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#include <vcl/vclenum.hxx>
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#include <tools/ref.hxx>
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#include <vector>
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class ImplFontCharMap;
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class FontCharMap;
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class OutputDevice;
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typedef tools::SvRef<ImplFontCharMap> ImplFontCharMapRef;
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typedef tools::SvRef<FontCharMap> FontCharMapRef;
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class VCL_DLLPUBLIC FontCharMap final : public SvRefBase
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{
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public:
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/** A new FontCharMap is created based on a "default" map, which includes
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all codepoints in the Unicode BMP range, including surrogates.
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**/
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FontCharMap();
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/** A new FontCharMap is created based on passed arguments.
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*/
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SAL_DLLPRIVATE FontCharMap(bool bMicrosoftSymbolMap, std::vector<sal_UCS4> aRangeCodes);
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SAL_DLLPRIVATE virtual ~FontCharMap() override;
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/** Get the default font character map
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@returns the default font character map.
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*/
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static FontCharMapRef GetDefaultMap(bool bMicrosoftSymbolMap);
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/** Determines if the font character map is the "default". The default map
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includes all codepoints in the Unicode BMP range, including surrogates.
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@returns true if default map, false if not default map.
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*/
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bool IsDefaultMap() const;
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/** Does the font character map include the UCS4 character?
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@returns true if character exists in font character map, false is not.
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*/
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bool HasChar( sal_UCS4 ) const;
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/** Returns the number of chars supported by the font, which
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are inside the unicode range from cMin to cMax (inclusive).
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@param cMin Lowest codepoint in range to be counted
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@param cMax Highest codepoint in range to be counted
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@returns number of characters in the font charmap between the two
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codepoints.
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*/
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int CountCharsInRange( sal_UCS4 cMin, sal_UCS4 cMax ) const;
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/** Get the number of characters in the font character map.
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@returns number of characters in the font character map.
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*/
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int GetCharCount() const;
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/** Get the first character in the font character map.
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@returns first character in the font character map.
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*/
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sal_UCS4 GetFirstChar() const;
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/** Get the last character in the font character map.
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@returns last character in the font character map.
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*/
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sal_UCS4 GetLastChar() const;
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/** Get the next character in the font character map. This is important
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because character maps (e.g. the default map which holds the characters
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in the BMP plane) can have discontiguous ranges.
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@param cChar Character from which to find next character
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@returns next character in the font character map.
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*/
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sal_UCS4 GetNextChar( sal_UCS4 cChar ) const;
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/** Get the previous character in the font character map. This is important
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because character maps (e.g. the default map which holds the characters
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in the BMP plane) can have discontiguous ranges.
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@param cChar Character from which to find previous character
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@returns previous character in the font character map.
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*/
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sal_UCS4 GetPrevChar( sal_UCS4 cChar ) const;
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/** Get the index of a particular character in the font character map. The
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index is different from the codepoint, because font character maps can
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determine the index.
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@param cChar Character used to find index number
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@returns Index of character in font character map.
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*/
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int GetIndexFromChar( sal_UCS4 cChar ) const;
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/** Get the character at a particular index in the font character map. The
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index is different from the codepoint, because font character maps can
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determine the character.
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@param nCharIndex Index used to find the character
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@returns Character in font character map.
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*/
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sal_UCS4 GetCharFromIndex( int nCharIndex ) const;
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SAL_DLLPRIVATE bool isMicrosoftSymbolMap() const;
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private:
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ImplFontCharMapRef mpImplFontCharMap;
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friend class ::OutputDevice;
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SAL_DLLPRIVATE int findRangeIndex( sal_UCS4 ) const;
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SAL_DLLPRIVATE FontCharMap( ImplFontCharMapRef pIFCMap );
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// prevent assignment and copy construction
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FontCharMap( const FontCharMap& ) = delete;
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void operator=( const FontCharMap& ) = delete;
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};
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#endif // INCLUDED_FONTCHARMAP_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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