LanguageTool: don't crash if REST protocol isn't set
[LibreOffice.git] / canvas / inc / rendering / isurface.hxx
blobf3d3beaf0b1bdc0fa5c85697a447655a205307fc
1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
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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
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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 #pragma once
22 namespace basegfx
24 class B2IRange;
25 class B2IPoint;
28 namespace canvas
30 struct IColorBuffer;
32 struct ISurface
34 virtual ~ISurface() {}
36 /** Select texture behind this interface to be the current one
37 for primitive output.
39 virtual bool selectTexture() = 0;
41 /** Tells whether the surface is valid or not
43 virtual bool isValid() = 0;
45 /** Update surface content from given IColorBuffer
47 This method updates the given subarea of the surface from
48 the given color buffer bits.
50 @param rDestPos
51 Position in the surface, where the subset update should
52 have its left, top edge
54 @param rSourceRect
55 Size and position of the rectangular subset update in the
56 source color buffer
58 @param rSource
59 Source bits to use for the update
61 @return true, if the update was successful
63 virtual bool update( const ::basegfx::B2IPoint& rDestPos,
64 const ::basegfx::B2IRange& rSourceRect,
65 IColorBuffer& rSource ) = 0;
69 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */