libreoffice/sw/source/core/layout/virtoutp.cxx

/*************************************************************************
 *
 *  $RCSfile: virtoutp.cxx,v $
 *
 *  $Revision: 1.4 $
 *
 *  last change: $Author: ama $ $Date: 2001-04-03 14:59:11 $
 *
 *  The Contents of this file are made available subject to the terms of
 *  either of the following licenses
 *
 *         - GNU Lesser General Public License Version 2.1
 *         - Sun Industry Standards Source License Version 1.1
 *
 *  Sun Microsystems Inc., October, 2000
 *
 *  GNU Lesser General Public License Version 2.1
 *  =============================================
 *  Copyright 2000 by Sun Microsystems, Inc.
 *  901 San Antonio Road, Palo Alto, CA 94303, USA
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License version 2.1, as published by the Free Software Foundation.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 *  MA  02111-1307  USA
 *
 *
 *  Sun Industry Standards Source License Version 1.1
 *  =================================================
 *  The contents of this file are subject to the Sun Industry Standards
 *  Source License Version 1.1 (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.openoffice.org/license.html.
 *
 *  Software provided under this License is provided on an "AS IS" basis,
 *  WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
 *  WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
 *  MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
 *  See the License for the specific provisions governing your rights and
 *  obligations concerning the Software.
 *
 *  The Initial Developer of the Original Code is: Sun Microsystems, Inc.
 *
 *  Copyright: 2000 by Sun Microsystems, Inc.
 *
 *  All Rights Reserved.
 *
 *  Contributor(s): _______________________________________
 *
 *
 ************************************************************************/

#ifdef PRECOMPILED
#include "core_pch.hxx"
#endif

#pragma hdrstop

#ifndef _SV_WINDOW_HXX //autogen
#include <vcl/window.hxx>
#endif

#include "hintids.hxx"
#include "viewsh.hxx"
#include "virtoutp.hxx"
#include "viewopt.hxx"
#include "rootfrm.hxx"

static const ViewShell *pVsh = 0;

#ifndef PRODUCT

/*************************************************************************
 *                          class DbgRect
 *************************************************************************/

class DbgRect
{
        OutputDevice *pOut;
public:
        DbgRect( OutputDevice *pOut, const Rectangle &rRect,
                 const ColorData eColor = COL_LIGHTBLUE );
};

inline DbgRect::DbgRect( OutputDevice *pOutDev, const Rectangle &rRect,
                         const ColorData eColor )
   :pOut( pOutDev )
{
    if( pOut )
    {
        pOut->Push( PUSH_FILLCOLOR|PUSH_LINECOLOR );
        pOut->SetLineColor( eColor );
        pOut->SetFillColor();
        pOut->DrawRect( rRect );
        pOut->Pop();
    }
}

#endif

/* class SwLayVout verwaltet das virtuelle Outputdevice
 * Es gibt von dieser Klasse einen statischen Member am RootFrm,
 * dieser wird in _FrmInit angelegt und in _FrmFinit zerstoert.
 * */

BOOL SwRootFrm::FlushVout()
{
    if( SwRootFrm::pVout->IsFlushable() )
    {
        SwRootFrm::pVout->_Flush();
        return TRUE;
    }
    return FALSE;
}

BOOL SwRootFrm::HasSameRect( const SwRect& rRect )
{
    if( SwRootFrm::pVout->IsFlushable() )
        return ( rRect == SwRootFrm::pVout->GetOrgRect() );
    return FALSE;
}

/*************************************************************************
 *                          SwVOut::DoesFit()
 *************************************************************************/

// rSize muss in Pixel-Koordinaten vorliegen!
BOOL SwLayVout::DoesFit( const Size &rNew )
{
    if( rNew.Height() > VIRTUALHEIGHT )
        return FALSE;
    if( rNew.Width() <= 0 || rNew.Height() <= 0 )
        return FALSE;
    if( rNew.Width() <= aSize.Width() )
        return TRUE;
    if( !pVirDev )
    {
        pVirDev = new VirtualDevice();
        pVirDev->SetLineColor();
        if( pOut )
        {
            if( pVirDev->GetFillColor() != pOut->GetFillColor() )
                pVirDev->SetFillColor( pOut->GetFillColor() );
        }
    }

    if( rNew.Width() > aSize.Width() )
    {
        aSize.Width() = rNew.Width();
        if( !pVirDev->SetOutputSizePixel( aSize ) )
        {
            delete pVirDev;
            pVirDev = NULL;
            aSize.Width() = 0;
            return FALSE;
        }
    }
    return TRUE;
}

/*************************************************************************
 *                         SwLayVout::Enter
 *************************************************************************/

void SwLayVout::Enter(  ViewShell *pShell, const SwRect &rRect, BOOL bOn )
{
    Flush();

#ifndef PRODUCT
        if( pShell->GetViewOptions()->IsTest3() )
        {
            ++nCount;
            return;
        }
#endif

    bOn = bOn && !nCount && rRect.HasArea() && pShell->GetWin();
    ++nCount;
    if( bOn )
    {
        pSh = pShell;
        pOut = NULL;
        OutputDevice *pO = pSh->GetOut();
// Auf dem Drucker oder einem virt. Outputdevice wird nicht getrickst...
        if( OUTDEV_WINDOW != pO->GetOutDevType() )
            return;

        pOut = pO;
        Size aPixSz( pOut->PixelToLogic( Size( 1,1 )) );
        SwRect aTmp( rRect );
        aTmp.SSize().Width() += aPixSz.Width()/2 + 1;
        aTmp.SSize().Height()+= aPixSz.Height()/2 + 1;
        Rectangle aTmpRect( pO->LogicToPixel( aTmp.SVRect() ) );

        ASSERT( aTmpRect.GetWidth() <=
                pSh->GetWin()->GetOutputSizePixel().Width() + 2,
                "Paintwidth bigger than visarea?" );
        // Passt das Rechteck in unseren Buffer ?
        if( !DoesFit( aTmpRect.GetSize() ) )
        {
            pOut = NULL;
            return;
        }

        aRect = SwRect( pO->PixelToLogic( aTmpRect ) );

#ifdef USED
        Rectangle aBla( rRect.SVRect() );
        DbgRect aDbg1( pO, aBla, COL_LIGHTRED );
#endif
        SetOutDev( pSh, pVirDev );

        if( pVirDev->GetFillColor() != pOut->GetFillColor() )
            pVirDev->SetFillColor( pOut->GetFillColor() );

        MapMode aMapMode( pOut->GetMapMode() );
        aMapMode.SetOrigin( Point(0,0) - aRect.Pos() );
        if( aMapMode != pVirDev->GetMapMode() )
            pVirDev->SetMapMode( aMapMode );
    }
}

/*************************************************************************
 *                         SwLayVout::Flush()
 *************************************************************************/

void SwLayVout::_Flush()
{
    ASSERT( pVirDev, "SwLayVout::DrawOut: nothing left Toulouse" );
    Rectangle aTmp( aRect.SVRect() );
#ifdef USED
    DbgRect aDbg1( pOut, aTmp );
    DbgRect aDbg2( pVirDev, aTmp, COL_YELLOW );
#endif
    pOut->DrawOutDev( aRect.Pos(), aRect.SSize(),
                      aRect.Pos(), aRect.SSize(), *pVirDev );
    SetOutDev( pSh, pOut );
    pOut = NULL;
}