bump product version to 6.4.0.3
[LibreOffice.git] / vcl / inc / salvd.hxx
blob8a6fe144c3a1b5b193b347e8611b02ab6a89b717
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3 * This file is part of the LibreOffice project.
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
9 * This file incorporates work covered by the following license notice:
11 * Licensed to the Apache Software Foundation (ASF) under one or more
12 * contributor license agreements. See the NOTICE file distributed
13 * with this work for additional information regarding copyright
14 * ownership. The ASF licenses this file to you under the Apache
15 * License, Version 2.0 (the "License"); you may not use this file
16 * except in compliance with the License. You may obtain a copy of
17 * the License at http://www.apache.org/licenses/LICENSE-2.0 .
20 #ifndef INCLUDED_VCL_INC_SALVD_HXX
21 #define INCLUDED_VCL_INC_SALVD_HXX
23 #include "salgeom.hxx"
25 class SalGraphics;
27 /// A non-visible drawable/buffer (e.g. an X11 Pixmap).
28 class VCL_PLUGIN_PUBLIC SalVirtualDevice
29 : public SalGeometryProvider
31 public:
32 SalVirtualDevice() {}
33 virtual ~SalVirtualDevice() override;
35 // SalGeometryProvider
36 virtual bool IsOffScreen() const override { return true; }
38 // SalGraphics or NULL, but two Graphics for all SalVirtualDevices
39 // must be returned
40 virtual SalGraphics* AcquireGraphics() = 0;
41 virtual void ReleaseGraphics( SalGraphics* pGraphics ) = 0;
43 // Set new size, without saving the old contents
44 virtual bool SetSize( long nNewDX, long nNewDY ) = 0;
46 // Set new size using a buffer at the given address
47 virtual bool SetSizeUsingBuffer( long nNewDX, long nNewDY,
48 sal_uInt8 * /* pBuffer */)
50 // Only the headless virtual device has an implementation that uses
51 // pBuffer (and bTopDown).
52 return SetSize( nNewDX, nNewDY );
56 #endif // INCLUDED_VCL_INC_SALVD_HXX
58 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */