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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 .
*/
#include "txtpaint.hxx"
#include <txtfrm.hxx>
#include <swrect.hxx>
#include <rootfrm.hxx>
SwSaveClip::~SwSaveClip()
{
// We recover the old state
if( !(pOut && bChg) )
return;
if ( pOut->GetConnectMetaFile() )
pOut->Pop();
else
{
if( bOn )
pOut->SetClipRegion( aClip );
else
pOut->SetClipRegion();
}
bChg = false;
}
void SwSaveClip::ChgClip_( const SwRect &rRect, const SwTextFrame* pFrame,
bool bEnlargeRect,
sal_Int32 nEnlargeTop,
sal_Int32 nEnlargeBottom )
{
SwRect aOldRect( rRect );
const bool bVertical = pFrame && pFrame->IsVertical();
if ( pFrame && pFrame->IsRightToLeft() )
pFrame->SwitchLTRtoRTL( const_cast<SwRect&>(rRect) );
if ( bVertical )
pFrame->SwitchHorizontalToVertical( const_cast<SwRect&>(rRect) );
if ( !pOut || (!rRect.HasArea() && !pOut->IsClipRegion()) )
{
const_cast<SwRect&>(rRect) = aOldRect;
return;
}
if ( !bChg )
{
if ( pOut->GetConnectMetaFile() )
pOut->Push();
else if ( bOn )
aClip = pOut->GetClipRegion();
}
if ( !rRect.HasArea() )
pOut->SetClipRegion();
else
{
tools::Rectangle aRect( rRect.SVRect() );
// Having underscores in our line, we enlarged the repaint area
// (see frmform.cxx) because for some fonts it could be too small.
// Consequently, we have to enlarge the clipping rectangle as well.
if ( bEnlargeRect && ! bVertical )
aRect.AdjustBottom(40 );
// enlarge clip for paragraph margins at small fixed line height
if ( nEnlargeTop > 0 )
aRect.AdjustTop( -nEnlargeTop );
if ( nEnlargeBottom > 0 )
aRect.AdjustBottom( nEnlargeBottom );
// If the ClipRect is identical, nothing will happen
if( pOut->IsClipRegion() ) // no && because of Mac
{
if ( aRect == pOut->GetClipRegion().GetBoundRect() )
{
const_cast<SwRect&>(rRect) = aOldRect;
return;
}
}
if( SwRootFrame::HasSameRect( rRect ) )
pOut->SetClipRegion();
else
{
const vcl::Region aClipRegion( aRect );
pOut->SetClipRegion( aClipRegion );
}
}
bChg = true;
const_cast<SwRect&>(rRect) = aOldRect;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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