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/* -*- 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_TXTATTR_HXX
#define INCLUDED_VCL_TXTATTR_HXX
#include <rtl/ustring.hxx>
#include <tools/color.hxx>
#include <tools/debug.hxx>
#include <vcl/vclenum.hxx>
#include <vcl/dllapi.h>
#include <memory>
namespace vcl { class Font; }
#define TEXTATTR_FONTCOLOR 1
#define TEXTATTR_FONTWEIGHT 3
#define TEXTATTR_USER_START 1000 //start id for user defined text attributes
#define TEXTATTR_PROTECTED 4
class VCL_DLLPUBLIC TextAttrib
{
private:
sal_uInt16 const mnWhich;
protected:
TextAttrib( sal_uInt16 nWhich ) : mnWhich(nWhich) {}
TextAttrib( const TextAttrib& ) = default;
public:
virtual ~TextAttrib();
sal_uInt16 Which() const { return mnWhich; }
virtual void SetFont( vcl::Font& rFont ) const = 0;
virtual TextAttrib* Clone() const = 0;
virtual bool operator==( const TextAttrib& rAttr ) const = 0;
bool operator!=( const TextAttrib& rAttr ) const
{ return !(*this == rAttr ); }
};
class VCL_DLLPUBLIC TextAttribFontColor : public TextAttrib
{
private:
Color maColor;
public:
TextAttribFontColor( const Color& rColor );
const Color& GetColor() const { return maColor; }
virtual void SetFont( vcl::Font& rFont ) const override;
virtual TextAttrib* Clone() const override;
virtual bool operator==( const TextAttrib& rAttr ) const override;
};
class VCL_DLLPUBLIC TextAttribFontWeight : public TextAttrib
{
private:
FontWeight meWeight;
public:
TextAttribFontWeight( FontWeight eWeight );
virtual void SetFont( vcl::Font& rFont ) const override;
virtual TextAttrib* Clone() const override;
virtual bool operator==( const TextAttrib& rAttr ) const override;
FontWeight getFontWeight() const { return meWeight; }
};
class VCL_DLLPUBLIC TextAttribProtect : public TextAttrib
{
public:
TextAttribProtect();
virtual void SetFont( vcl::Font& rFont ) const override;
virtual TextAttrib* Clone() const override;
virtual bool operator==( const TextAttrib& rAttr ) const override;
};
class TextCharAttrib
{
private:
std::unique_ptr<TextAttrib>
mpAttr;
sal_Int32 mnStart;
sal_Int32 mnEnd;
public:
TextCharAttrib( const TextAttrib& rAttr, sal_Int32 nStart, sal_Int32 nEnd );
TextCharAttrib( const TextCharAttrib& rTextCharAttrib );
const TextAttrib& GetAttr() const { return *mpAttr; }
sal_uInt16 Which() const { return mpAttr->Which(); }
sal_Int32 GetStart() const { return mnStart; }
sal_Int32& GetStart() { return mnStart; }
sal_Int32 GetEnd() const { return mnEnd; }
sal_Int32& GetEnd() { return mnEnd; }
inline sal_Int32 GetLen() const;
inline void MoveForward( sal_Int32 nDiff );
inline void MoveBackward( sal_Int32 nDiff );
inline void Expand( sal_Int32 nDiff );
inline void Collaps( sal_Int32 nDiff );
inline bool IsIn( sal_Int32 nIndex );
inline bool IsInside( sal_Int32 nIndex );
inline bool IsEmpty() const;
};
inline sal_Int32 TextCharAttrib::GetLen() const
{
DBG_ASSERT( mnEnd >= mnStart, "TextCharAttrib: nEnd < nStart!" );
return mnEnd-mnStart;
}
inline void TextCharAttrib::MoveForward( sal_Int32 nDiff )
{
DBG_ASSERT( nDiff <= SAL_MAX_INT32-mnEnd, "TextCharAttrib: MoveForward?!" );
mnStart = mnStart + nDiff;
mnEnd = mnEnd + nDiff;
}
inline void TextCharAttrib::MoveBackward( sal_Int32 nDiff )
{
DBG_ASSERT( mnStart >= nDiff, "TextCharAttrib: MoveBackward?!" );
mnStart = mnStart - nDiff;
mnEnd = mnEnd - nDiff;
}
inline void TextCharAttrib::Expand( sal_Int32 nDiff )
{
DBG_ASSERT( nDiff <= SAL_MAX_INT32-mnEnd, "TextCharAttrib: Expand?!" );
mnEnd = mnEnd + nDiff;
}
inline void TextCharAttrib::Collaps( sal_Int32 nDiff )
{
DBG_ASSERT( mnEnd-mnStart >= nDiff, "TextCharAttrib: Collaps?!" );
mnEnd = mnEnd - nDiff;
}
inline bool TextCharAttrib::IsIn( sal_Int32 nIndex )
{
return ( ( mnStart <= nIndex ) && ( mnEnd >= nIndex ) );
}
inline bool TextCharAttrib::IsInside( sal_Int32 nIndex )
{
return ( ( mnStart < nIndex ) && ( mnEnd > nIndex ) );
}
inline bool TextCharAttrib::IsEmpty() const
{
return mnStart == mnEnd;
}
#endif // INCLUDED_VCL_TXTATTR_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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