164 lines
6.6 KiB
C++
164 lines
6.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_VCL_VIRDEV_HXX
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#define INCLUDED_VCL_VIRDEV_HXX
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#include <basebmp/bitmapdevice.hxx>
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#include <vcl/dllapi.h>
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#include <vcl/outdev.hxx>
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class SalVirtualDevice;
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struct SystemGraphicsData;
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class VCL_DLLPUBLIC VirtualDevice : public OutputDevice
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{
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friend class Application;
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friend class ::OutputDevice;
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friend class Printer;
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private:
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SalVirtualDevice* mpVirDev;
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VclPtr<VirtualDevice> mpPrev;
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VclPtr<VirtualDevice> mpNext;
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sal_uInt16 mnBitCount;
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bool mbScreenComp;
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sal_Int8 mnAlphaDepth;
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sal_uInt8 meRefDevMode;
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SAL_DLLPRIVATE void ImplInitVirDev( const OutputDevice* pOutDev, long nDX, long nDY, sal_uInt16 nBitCount, const SystemGraphicsData *pData = NULL );
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SAL_DLLPRIVATE bool InnerImplSetOutputSizePixel( const Size& rNewSize, bool bErase,
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const basebmp::RawMemorySharedArray &pBuffer,
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const bool bTopDown );
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SAL_DLLPRIVATE bool ImplSetOutputSizePixel( const Size& rNewSize, bool bErase,
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const basebmp::RawMemorySharedArray &pBuffer,
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const bool bTopDown );
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VirtualDevice (const VirtualDevice &) SAL_DELETED_FUNCTION;
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VirtualDevice & operator= (const VirtualDevice &) SAL_DELETED_FUNCTION;
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/** Used for alpha VDev, to set areas to opaque
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@since \#i32109#
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*/
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SAL_DLLPRIVATE void ImplFillOpaqueRectangle( const Rectangle& rRect );
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// TODO: add extra member for refdev backward compatibility options
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#define REFDEV_FORCE_ZERO_EXTLEAD 0x80
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SAL_DLLPRIVATE bool ForceZeroExtleadBug() const
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{ return ((meRefDevMode & REFDEV_FORCE_ZERO_EXTLEAD) != 0); }
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protected:
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virtual bool AcquireGraphics() const SAL_OVERRIDE;
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virtual void ReleaseGraphics( bool bRelease = true ) SAL_OVERRIDE;
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public:
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SalVirtualDevice* getSalVirtualDevice() { return mpVirDev; }
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/** Create a virtual device of size 1x1
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@param nBitCount
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Bit depth of the generated virtual device. Use 0 here, to
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indicate: take default screen depth. Only 0, 1 and 8
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are allowed here, with 1 denoting binary mask and 8 a graylevel mask.
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*/
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explicit VirtualDevice( sal_uInt16 nBitCount = 0 );
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/** Create a virtual device of size 1x1
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@param rCompDev
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The generated vdev will be compatible to this device.
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@param nBitCount
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Bit depth of the generated virtual device. Use 0 here, to
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indicate: take default screen depth.
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*/
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explicit VirtualDevice( const OutputDevice& rCompDev,
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sal_uInt16 nBitCount = 0 );
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/** Create a virtual device of size 1x1 with alpha channel
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@param rCompDev
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The generated vdev will be compatible to this device.
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@param nBitCount
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Bit depth of the generated virtual device. Use 0 here, to
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indicate: take default screen depth. Only 0 and 1
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are allowed here, with 1 denoting binary mask.
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@param nAlphaBitCount
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Bit depth of the generated virtual device. Use 0 here, to
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indicate: take default screen depth. Only 0 and 1
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are allowed here, with 1 denoting binary mask.
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*/
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explicit VirtualDevice( const OutputDevice& rCompDev,
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sal_uInt16 nBitCount, sal_uInt16 nAlphaBitCount );
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/** Create a virtual device using an existing system dependent device or graphics context
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Any rendering will happen directly on the context and not on any intermediate bitmap.
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Note: This might not be supported on all platforms !
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*/
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explicit VirtualDevice(const SystemGraphicsData *pData, const Size &rSize,
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sal_uInt16 nBitCount);
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virtual ~VirtualDevice();
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virtual void dispose() SAL_OVERRIDE;
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virtual void EnableRTL( bool bEnable = true ) SAL_OVERRIDE;
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bool SetOutputSizePixel( const Size& rNewSize, bool bErase = true );
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bool SetOutputSizePixelScaleOffsetAndBuffer( const Size& rNewSize,
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const Fraction& rScale,
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const Point& rNewOffset,
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const basebmp::RawMemorySharedArray &pBuffer,
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const bool bTopDown = false );
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bool SetOutputSize( const Size& rNewSize, bool bErase = true )
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{ return SetOutputSizePixel( LogicToPixel( rNewSize ), bErase ); }
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// reference device modes for different compatibility levels
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enum RefDevMode { REFDEV_NONE = 0,
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REFDEV_MODE06 = 1, // 600 dpi
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REFDEV_MODE_MSO1 = 3,
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REFDEV_MODE_PDF1 = 4,
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REFDEV_CUSTOM = 5
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};
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void SetReferenceDevice( RefDevMode );
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void Compat_ZeroExtleadBug(); // enable workaround for #i60495#
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void SetReferenceDevice( sal_Int32 i_nDPIX, sal_Int32 i_nDPIY );
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virtual sal_uInt16 GetBitCount() const SAL_OVERRIDE;
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virtual sal_uInt16 GetAlphaBitCount() const SAL_OVERRIDE;
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private:
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SAL_DLLPRIVATE void ImplSetReferenceDevice( RefDevMode, sal_Int32 i_nDPIX, sal_Int32 i_nDPIY );
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protected:
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virtual bool UsePolyPolygonForComplexGradient() SAL_OVERRIDE;
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virtual long GetFontExtLeading() const SAL_OVERRIDE;
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};
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#endif // INCLUDED_VCL_VIRDEV_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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