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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_SW_SOURCE_CORE_TEXT_ITRATR_HXX
#define INCLUDED_SW_SOURCE_CORE_TEXT_ITRATR_HXX
#include "atrhndl.hxx"
#include <swtypes.hxx>
#include <swfont.hxx>
#include "porlay.hxx"
namespace sw { struct MergedPara; }
class OutputDevice;
class SwFont;
class SwpHints;
class SwTextAttr;
class SwAttrSet;
class SwTextNode;
class SwRedlineItr;
class SwViewShell;
class SwTextFrame;
class SwAttrIter
{
friend class SwFontSave;
protected:
SwAttrHandler m_aAttrHandler;
SwViewShell *m_pViewShell;
SwFont *m_pFont;
SwScriptInfo* m_pScriptInfo;
private:
VclPtr<OutputDevice> m_pLastOut;
/// count currently open hints, redlines, ext-input
short m_nChgCnt;
SwRedlineItr *m_pRedline;
/// current iteration index in HintStarts
size_t m_nStartIndex;
/// current iteration index in HintEnds
size_t m_nEndIndex;
/// current iteration index in text node
sal_Int32 m_nPosition;
sal_uInt8 m_nPropFont;
o3tl::enumarray<SwFontScript, const void*> m_aMagicNo;
o3tl::enumarray<SwFontScript, sal_uInt16> m_aFontIdx;
/// input: the current text node
const SwTextNode* m_pTextNode;
sw::MergedPara const* m_pMergedPara;
void SeekFwd( const sal_Int32 nPos );
void SetFnt( SwFont* pNew ) { m_pFont = pNew; }
void InitFontAndAttrHandler(SwTextNode const& rTextNode,
OUString const& rText, bool const* pbVertLayout);
protected:
void Chg( SwTextAttr const *pHt );
void Rst( SwTextAttr const *pHt );
void CtorInitAttrIter(SwTextNode& rTextNode, SwScriptInfo& rScrInf, SwTextFrame const* pFrame = nullptr);
explicit SwAttrIter(SwTextNode const * pTextNode)
: m_pViewShell(nullptr)
, m_pFont(nullptr)
, m_pScriptInfo(nullptr)
, m_pLastOut(nullptr)
, m_nChgCnt(0)
, m_pRedline(nullptr)
, m_nStartIndex(0)
, m_nEndIndex(0)
, m_nPosition(0)
, m_nPropFont(0)
, m_pTextNode(pTextNode)
, m_pMergedPara(nullptr)
{
m_aMagicNo[SwFontScript::Latin] = m_aMagicNo[SwFontScript::CJK] = m_aMagicNo[SwFontScript::CTL] = nullptr;
}
public:
/// All subclasses of this always have a SwTextFrame passed to the
/// constructor, but SwAttrIter itself may be created without a
/// SwTextFrame in certain special cases via this ctor here
SwAttrIter(SwTextNode& rTextNode, SwScriptInfo& rScrInf, SwTextFrame const*const pFrame = nullptr)
: m_pViewShell(nullptr)
, m_pFont(nullptr)
, m_pScriptInfo(nullptr)
, m_pLastOut(nullptr)
, m_nChgCnt(0)
, m_pRedline(nullptr)
, m_nPropFont(0)
, m_pTextNode(&rTextNode)
, m_pMergedPara(nullptr)
{
CtorInitAttrIter(rTextNode, rScrInf, pFrame);
}
virtual ~SwAttrIter();
SwRedlineItr *GetRedln() { return m_pRedline; }
// The parameter returns the position of the next change before or at the
// char position.
TextFrameIndex GetNextAttr() const;
/// Enables the attributes used at char pos nPos in the logical font
bool Seek(TextFrameIndex nPos);
// Creates the font at the specified position via Seek() and checks
// if it's a symbol font.
bool IsSymbol(TextFrameIndex nPos);
/** Executes ChgPhysFnt if Seek() returns true
* and change font to merge character border with neighbours.
**/
bool SeekAndChgAttrIter(TextFrameIndex nPos, OutputDevice* pOut);
bool SeekStartAndChgAttrIter( OutputDevice* pOut, const bool bParaFont );
// Do we possibly have nasty things like footnotes?
bool MaybeHasHints() const;
// Returns the attribute for a position
SwTextAttr *GetAttr(TextFrameIndex nPos) const;
SwFont *GetFnt() { return m_pFont; }
const SwFont *GetFnt() const { return m_pFont; }
sal_uInt8 GetPropFont() const { return m_nPropFont; }
void SetPropFont( const sal_uInt8 nNew ) { m_nPropFont = nNew; }
SwAttrHandler& GetAttrHandler() { return m_aAttrHandler; }
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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