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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_VIRDEV_HXX
#define INCLUDED_VCL_VIRDEV_HXX
#include <basebmp/bitmapdevice.hxx>
#include <vcl/dllapi.h>
#include <vcl/outdev.hxx>
class SalVirtualDevice;
struct SystemGraphicsData;
class VCL_DLLPUBLIC VirtualDevice : public OutputDevice
{
friend class Application;
friend class ::OutputDevice;
friend class Printer;
private:
SalVirtualDevice* mpVirDev;
VirtualDevice* mpPrev;
VirtualDevice* mpNext;
sal_uInt16 mnBitCount;
bool mbScreenComp;
sal_Int8 mnAlphaDepth;
sal_uInt8 meRefDevMode;
SAL_DLLPRIVATE void ImplInitVirDev( const OutputDevice* pOutDev, long nDX, long nDY, sal_uInt16 nBitCount, const SystemGraphicsData *pData = NULL );
SAL_DLLPRIVATE bool InnerImplSetOutputSizePixel( const Size& rNewSize, bool bErase,
const basebmp::RawMemorySharedArray &pBuffer,
const bool bTopDown );
SAL_DLLPRIVATE bool ImplSetOutputSizePixel( const Size& rNewSize, bool bErase,
const basebmp::RawMemorySharedArray &pBuffer,
const bool bTopDown );
// Copy assignment is forbidden and not implemented.
VirtualDevice (const VirtualDevice &);
VirtualDevice & operator= (const VirtualDevice &);
/** Used for alpha VDev, to set areas to opaque
@since \#i32109#
*/
SAL_DLLPRIVATE void ImplFillOpaqueRectangle( const Rectangle& rRect );
// TODO: add extra member for refdev backward compatibility options
#define REFDEV_FORCE_ZERO_EXTLEAD 0x80
SAL_DLLPRIVATE bool ForceZeroExtleadBug() const
{ return ((meRefDevMode & REFDEV_FORCE_ZERO_EXTLEAD) != 0); }
protected:
virtual bool AcquireGraphics() const SAL_OVERRIDE;
virtual void ReleaseGraphics( bool bRelease = true ) SAL_OVERRIDE;
public:
SalVirtualDevice* getSalVirtualDevice() { return mpVirDev; }
/** Create a virtual device of size 1x1
@param nBitCount
Bit depth of the generated virtual device. Use 0 here, to
indicate: take default screen depth. Only 0, 1 and 8
are allowed here, with 1 denoting binary mask and 8 a graylevel mask.
*/
explicit VirtualDevice( sal_uInt16 nBitCount = 0 );
/** Create a virtual device of size 1x1
@param rCompDev
The generated vdev will be compatible to this device.
@param nBitCount
Bit depth of the generated virtual device. Use 0 here, to
indicate: take default screen depth. Only 0 and 1
are allowed here, with 1 denoting binary mask.
*/
explicit VirtualDevice( const OutputDevice& rCompDev,
sal_uInt16 nBitCount = 0 );
/** Create a virtual device of size 1x1 with alpha channel
@param rCompDev
The generated vdev will be compatible to this device.
@param nBitCount
Bit depth of the generated virtual device. Use 0 here, to
indicate: take default screen depth. Only 0 and 1
are allowed here, with 1 denoting binary mask.
@param nAlphaBitCount
Bit depth of the generated virtual device. Use 0 here, to
indicate: take default screen depth. Only 0 and 1
are allowed here, with 1 denoting binary mask.
*/
explicit VirtualDevice( const OutputDevice& rCompDev,
sal_uInt16 nBitCount, sal_uInt16 nAlphaBitCount );
/** Create a virtual device using an existing system dependent device or graphics context
Any rendering will happen directly on the context and not on any intermediate bitmap.
Note: This might not be supported on all platforms !
*/
explicit VirtualDevice( const SystemGraphicsData *pData, sal_uInt16 nBitCount );
virtual ~VirtualDevice();
virtual void EnableRTL( bool bEnable = true ) SAL_OVERRIDE;
bool SetOutputSizePixel( const Size& rNewSize, bool bErase = true );
bool SetOutputSizePixelScaleOffsetAndBuffer( const Size& rNewSize,
const boost::rational<long>& rScale,
const Point& rNewOffset,
const basebmp::RawMemorySharedArray &pBuffer,
const bool bTopDown = false );
bool SetOutputSize( const Size& rNewSize, bool bErase = true )
{ return SetOutputSizePixel( LogicToPixel( rNewSize ), bErase ); }
// reference device modes for different compatibility levels
enum RefDevMode { REFDEV_NONE = 0,
REFDEV_MODE06 = 1, // 600 dpi
REFDEV_MODE_MSO1 = 3,
REFDEV_MODE_PDF1 = 4,
REFDEV_CUSTOM = 5
};
void SetReferenceDevice( RefDevMode );
void Compat_ZeroExtleadBug(); // enable workaround for #i60495#
void SetReferenceDevice( sal_Int32 i_nDPIX, sal_Int32 i_nDPIY );
virtual sal_uInt16 GetBitCount() const SAL_OVERRIDE;
virtual sal_uInt16 GetAlphaBitCount() const SAL_OVERRIDE;
private:
SAL_DLLPRIVATE void ImplSetReferenceDevice( RefDevMode, sal_Int32 i_nDPIX, sal_Int32 i_nDPIY );
protected:
virtual bool UsePolyPolygonForComplexGradient() SAL_OVERRIDE;
virtual long GetFontExtLeading() const SAL_OVERRIDE;
};
#endif // INCLUDED_VCL_VIRDEV_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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