/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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* 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
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* ownership . The ASF licenses this file to you under the Apache
* License , Version 2 . 0 ( the " License " ) ; you may not use this file
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*/
#ifndef INCLUDED_FONTCHARMAP_HXX
#define INCLUDED_FONTCHARMAP_HXX
#include <vcl/dllapi.h>
#include <vcl/vclenum.hxx>
#include <tools/ref.hxx>
#include <vector>
class ImplFontCharMap;
class FontCharMap;
class OutputDevice;
typedef tools::SvRef<ImplFontCharMap> ImplFontCharMapRef;
typedef tools::SvRef<FontCharMap> FontCharMapRef;
class VCL_DLLPUBLIC FontCharMap final : public SvRefBase
{
public :
/** A new FontCharMap is created based on a "default" map, which includes
all codepoints in the Unicode BMP range , including surrogates .
**/
FontCharMap();
/** A new FontCharMap is created based on passed arguments.
*/
SAL_DLLPRIVATE FontCharMap(bool bMicrosoftSymbolMap, std::vector<sal_UCS4> aRangeCodes);
SAL_DLLPRIVATE virtual ~FontCharMap() override;
/** Get the default font character map
@ returns the default font character map .
*/
static FontCharMapRef GetDefaultMap(bool bMicrosoftSymbolMap);
/** 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 ;
/** Returns the number of chars supported by the font, which
are inside the unicode range from cMin to cMax ( inclusive ) .
@ param cMin Lowest codepoint in range to be counted
@ param cMax Highest codepoint 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 ;
SAL_DLLPRIVATE bool isMicrosoftSymbolMap() const ;
private :
ImplFontCharMapRef mpImplFontCharMap;
friend class ::OutputDevice;
SAL_DLLPRIVATE int findRangeIndex( sal_UCS4 ) const ;
SAL_DLLPRIVATE FontCharMap( ImplFontCharMapRef pIFCMap );
// prevent assignment and copy construction
FontCharMap( const FontCharMap& ) = delete ;
void operator =( const FontCharMap& ) = delete ;
};
#endif // INCLUDED_FONTCHARMAP_HXX
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