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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 <vcl/virdev.hxx>
#include <vcl/window.hxx>
#include <vcl/gdimtf.hxx>
#include <vcl/print.hxx>
#include <vcl/outdev.hxx>
#include <salgdi.hxx>
#include <salframe.hxx>
#include <salvd.hxx>
#include <salprn.hxx>
#include <window.h>
#include <numeric>
Region OutputDevice::GetClipRegion() const
{
return PixelToLogic( maRegion );
}
void OutputDevice::SetClipRegion()
{
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaClipRegionAction( Region(), false ) );
SetDeviceClipRegion( NULL );
if( mpAlphaVDev )
mpAlphaVDev->SetClipRegion();
}
void OutputDevice::SetClipRegion( const Region& rRegion )
{
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaClipRegionAction( rRegion, true ) );
if ( rRegion.IsNull() )
{
SetDeviceClipRegion( NULL );
}
else
{
Region aRegion = LogicToPixel( rRegion );
SetDeviceClipRegion( &aRegion );
}
if( mpAlphaVDev )
mpAlphaVDev->SetClipRegion( rRegion );
}
bool OutputDevice::SelectClipRegion( const Region& rRegion, SalGraphics* pGraphics )
{
DBG_TESTSOLARMUTEX();
if( !pGraphics )
{
if( !mpGraphics )
if( !AcquireGraphics() )
return false;
pGraphics = mpGraphics;
}
bool bClipRegion = pGraphics->SetClipRegion( rRegion, this );
OSL_ENSURE( bClipRegion, "OutputDevice::SelectClipRegion() - can't create region" );
return bClipRegion;
}
void OutputDevice::MoveClipRegion( long nHorzMove, long nVertMove )
{
if ( mbClipRegion )
{
if( mpMetaFile )
mpMetaFile->AddAction( new MetaMoveClipRegionAction( nHorzMove, nVertMove ) );
maRegion.Move( ImplLogicWidthToDevicePixel( nHorzMove ),
ImplLogicHeightToDevicePixel( nVertMove ) );
mbInitClipRegion = true;
}
if( mpAlphaVDev )
mpAlphaVDev->MoveClipRegion( nHorzMove, nVertMove );
}
void OutputDevice::IntersectClipRegion( const Rectangle& rRect )
{
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaISectRectClipRegionAction( rRect ) );
Rectangle aRect = LogicToPixel( rRect );
maRegion.Intersect( aRect );
mbClipRegion = true;
mbInitClipRegion = true;
if( mpAlphaVDev )
mpAlphaVDev->IntersectClipRegion( rRect );
}
void OutputDevice::IntersectClipRegion( const Region& rRegion )
{
if(!rRegion.IsNull())
{
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaISectRegionClipRegionAction( rRegion ) );
Region aRegion = LogicToPixel( rRegion );
maRegion.Intersect( aRegion );
mbClipRegion = true;
mbInitClipRegion = true;
}
if( mpAlphaVDev )
mpAlphaVDev->IntersectClipRegion( rRegion );
}
void OutputDevice::InitClipRegion()
{
DBG_TESTSOLARMUTEX();
if ( mbClipRegion )
{
if ( maRegion.IsEmpty() )
mbOutputClipped = true;
else
{
mbOutputClipped = false;
// #102532# Respect output offset also for clip region
Region aRegion( ImplPixelToDevicePixel( maRegion ) );
const bool bClipDeviceBounds( ! GetPDFWriter()
&& GetOutDevType() != OUTDEV_PRINTER );
if( bClipDeviceBounds )
{
// Perform actual rect clip against outdev
// dimensions, to generate empty clips whenever one of the
// values is completely off the device.
Rectangle aDeviceBounds( mnOutOffX, mnOutOffY,
mnOutOffX+GetOutputWidthPixel()-1,
mnOutOffY+GetOutputHeightPixel()-1 );
aRegion.Intersect( aDeviceBounds );
}
if ( aRegion.IsEmpty() )
{
mbOutputClipped = true;
}
else
{
mbOutputClipped = false;
SelectClipRegion( aRegion );
}
}
mbClipRegionSet = true;
}
else
{
if ( mbClipRegionSet )
{
mpGraphics->ResetClipRegion();
mbClipRegionSet = false;
}
mbOutputClipped = false;
}
mbInitClipRegion = false;
}
Region OutputDevice::GetActiveClipRegion() const
{
return GetClipRegion();
}
void OutputDevice::ClipToPaintRegion(Rectangle& /*rDstRect*/)
{
// this is only used in Window, but we still need it as it's called
// on in other clipping functions
}
void OutputDevice::SetDeviceClipRegion( const Region* pRegion )
{
DBG_TESTSOLARMUTEX();
if ( !pRegion )
{
if ( mbClipRegion )
{
maRegion = Region(true);
mbClipRegion = false;
mbInitClipRegion = true;
}
}
else
{
maRegion = *pRegion;
mbClipRegion = true;
mbInitClipRegion = true;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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