/* -*- 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 #include #include #include class SalVirtualDevice; struct SystemGraphicsData; typedef struct _cairo_surface cairo_surface_t; class SAL_WARN_UNUSED VCL_DLLPUBLIC VirtualDevice : public OutputDevice { friend class Application; friend class ::OutputDevice; friend class Printer; friend cairo_surface_t* get_underlying_cairo_surface(const VirtualDevice&); public: // reference device modes for different compatibility levels enum class RefDevMode { NONE = 0, Dpi600 = 1, // 600 dpi MSO1 = 3, PDF1 = 4, Custom = 5 }; private: std::unique_ptr mpVirDev; VclPtr mpPrev; VclPtr mpNext; sal_uInt16 mnBitCount; bool mbScreenComp; const DeviceFormat meFormat; const DeviceFormat meAlphaFormat; RefDevMode meRefDevMode; bool mbForceZeroExtleadBug; SAL_DLLPRIVATE void ImplInitVirDev( const OutputDevice* pOutDev, tools::Long nDX, tools::Long nDY, const SystemGraphicsData *pData = nullptr ); SAL_DLLPRIVATE bool InnerImplSetOutputSizePixel( const Size& rNewSize, bool bErase, sal_uInt8* pBuffer ); SAL_DLLPRIVATE bool ImplSetOutputSizePixel( const Size& rNewSize, bool bErase, sal_uInt8* pBuffer ); VirtualDevice (const VirtualDevice &) = delete; VirtualDevice & operator= (const VirtualDevice &) = delete; /** Used for alpha VDev, to set areas to opaque @since \#i32109# */ SAL_DLLPRIVATE void ImplFillOpaqueRectangle( const tools::Rectangle& rRect ); protected: virtual bool AcquireGraphics() const override; virtual void ReleaseGraphics( bool bRelease = true ) override; /** Create a virtual device of size 1x1 @param pCompDev The generated vdev will be compatible to this device. If it's the nullptr, it uses Application::GetDefaultDevice(). @param eFormat Device format of the generated virtual device. Use DeviceFormat::DEFAULT here, to indicate: take default screen depth. Only DeviceFormat::BITMASK is the other possibility to denote a binary mask. @param eAlphaFormat Device format of the generated virtual device. Use DeviceFormat::DEFAULT here, to indicate: take default screen depth. Only DeviceFormat::BITMASK is the other possibility to denote a binary mask. @param eOutDevType This real virtual output device type. */ explicit VirtualDevice(const OutputDevice* pCompDev, DeviceFormat eFormat, DeviceFormat eAlphaFormat, OutDevType eOutDevType); public: /** Create a virtual device of size 1x1 @param eFormat Device format of the generated virtual device. Use DeviceFormat::DEFAULT here, to indicate: take default screen depth. Only DeviceFormat::BITMASK is the other possibility to denote a binary mask. @param eAlphaFormat Device format of the generated virtual device. Use DeviceFormat::DEFAULT here, to indicate: take default screen depth. Only DeviceFormat::BITMASK is the other possibility to denote a binary mask. */ explicit VirtualDevice(DeviceFormat eFormat = DeviceFormat::DEFAULT, DeviceFormat eAlphaFormat = DeviceFormat::NONE) : VirtualDevice(nullptr, eFormat, eAlphaFormat, OUTDEV_VIRDEV) {} /** Create a virtual device of size 1x1 @param rCompDev The generated vdev will be compatible to this device. @param eFormat Device format of the generated virtual device. Use DeviceFormat::DEFAULT here, to indicate: take default screen depth. Only DeviceFormat::BITMASK is the other possibility to denote a binary mask. */ explicit VirtualDevice(const OutputDevice& rCompDev, DeviceFormat eFormat = DeviceFormat::DEFAULT) : VirtualDevice(&rCompDev, eFormat, DeviceFormat::NONE, OUTDEV_VIRDEV) {} /** Create a virtual device of size 1x1 with alpha channel @param rCompDev The generated vdev will be compatible to this device. @param eFormat Device format of the generated virtual device. Use DeviceFormat::DEFAULT here, to indicate: take default screen depth. Only DeviceFormat::BITMASK is the other possibility to denote a binary mask. @param eAlphaFormat Device format of the generated virtual device. Use DeviceFormat::DEFAULT here, to indicate: take default screen depth. Only DeviceFormat::BITMASK is the other possibility to denote a binary mask. */ explicit VirtualDevice(const OutputDevice& rCompDev, DeviceFormat eFormat, DeviceFormat eAlphaFormat) : VirtualDevice(&rCompDev, eFormat, eAlphaFormat, OUTDEV_VIRDEV) {} /** 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& rData, const Size &rSize, DeviceFormat eFormat); virtual ~VirtualDevice() override; virtual void dispose() override; bool CanEnableNativeWidget() const override; virtual void EnableRTL( bool bEnable = true ) override; bool SetOutputSizePixel( const Size& rNewSize, bool bErase = true ); bool SetOutputSizePixelScaleOffsetAndBuffer( const Size& rNewSize, const Fraction& rScale, const Point& rNewOffset, sal_uInt8* pBuffer); bool SetOutputSize( const Size& rNewSize ) { return SetOutputSizePixel( LogicToPixel( rNewSize ) ); } 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 override; bool IsVirtual() const override; bool IsScreenComp() const override { return mbScreenComp; } private: SAL_DLLPRIVATE void ImplSetReferenceDevice( RefDevMode, sal_Int32 i_nDPIX, sal_Int32 i_nDPIY ); protected: virtual bool UsePolyPolygonForComplexGradient() override; virtual tools::Long GetFontExtLeading() const override; }; #endif // INCLUDED_VCL_VIRDEV_HXX /* vim:set shiftwidth=4 softtabstop=4 expandtab: */