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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
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/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
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 .
18 : */
19 :
20 : #include <sdr/primitive2d/sdrprimitivetools.hxx>
21 : #include <vcl/bmpacc.hxx>
22 : #include <osl/mutex.hxx>
23 : #include <vcl/lazydelete.hxx>
24 :
25 :
26 : // helper methods
27 :
28 : namespace drawinglayer
29 : {
30 : namespace primitive2d
31 : {
32 846 : BitmapEx createDefaultCross_3x3(const basegfx::BColor& rBColor)
33 : {
34 846 : static vcl::DeleteOnDeinit< BitmapEx > aRetVal(0);
35 846 : static basegfx::BColor aColor;
36 846 : static ::osl::Mutex aMutex;
37 :
38 846 : ::osl::MutexGuard aGuard(aMutex);
39 :
40 846 : if(!aRetVal.get() || rBColor != aColor)
41 : {
42 : // copy values
43 27 : aColor = rBColor;
44 :
45 : // create bitmap
46 27 : Bitmap aContent(Size(3, 3), 24);
47 54 : Bitmap aMask(Size(3, 3), 1);
48 27 : BitmapWriteAccess* pWContent = aContent.AcquireWriteAccess();
49 27 : BitmapWriteAccess* pWMask = aMask.AcquireWriteAccess();
50 : OSL_ENSURE(pWContent && pWMask, "No WriteAccess to bitmap (!)");
51 27 : const Color aVCLColor(aColor);
52 54 : const BitmapColor aPixColor(aVCLColor);
53 54 : const BitmapColor aMaskColor(0x01);
54 :
55 : // Y,X unusual order (!)
56 27 : pWContent->SetPixel(0, 1, aPixColor);
57 27 : pWContent->SetPixel(1, 0, aPixColor);
58 27 : pWContent->SetPixel(1, 1, aPixColor);
59 27 : pWContent->SetPixel(1, 2, aPixColor);
60 27 : pWContent->SetPixel(2, 1, aPixColor);
61 :
62 27 : pWMask->SetPixel(0, 0, aMaskColor);
63 27 : pWMask->SetPixel(0, 2, aMaskColor);
64 27 : pWMask->SetPixel(2, 0, aMaskColor);
65 27 : pWMask->SetPixel(2, 2, aMaskColor);
66 :
67 27 : Bitmap::ReleaseAccess(pWContent);
68 27 : Bitmap::ReleaseAccess(pWMask);
69 :
70 : // create and exchange at aRetVal
71 54 : delete aRetVal.set(new BitmapEx(aContent, aMask));
72 : }
73 :
74 846 : return aRetVal.get() ? *aRetVal.get() : BitmapEx();
75 : }
76 : } // end of namespace primitive2d
77 : } // end of namespace drawinglayer
78 :
79 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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