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 <osl/mutex.hxx>
22 #include <vcl/lazydelete.hxx>
23 #include <vcl/BitmapTools.hxx>
24 
25 
26 // helper methods
27 
28 namespace drawinglayer
29 {
30     namespace primitive2d
31     {
32         BitmapEx createDefaultCross_3x3(const basegfx::BColor& rBColor)
33         {
34             static vcl::DeleteOnDeinit< BitmapEx > aRetVal(nullptr);
35             static basegfx::BColor aBColor;
36             static ::osl::Mutex aMutex;
37 
38             ::osl::MutexGuard aGuard(aMutex);
39 
40             if(!aRetVal.get() || rBColor != aBColor)
41             {
42                 // copy values
43                 aBColor = rBColor;
44 
45                 // create bitmap
46                 Color c(aBColor);
47                 sal_uInt8 r = c.GetRed();
48                 sal_uInt8 g = c.GetGreen();
49                 sal_uInt8 b = c.GetBlue();
50                 sal_uInt8 a = 255;
51                 const sal_uInt8 cross[] = {
52                    0, 0, 0, a,   r, g, b, 0,   0, 0, 0, a,
53                    r, g, b, 0,   r, g, b, 0,   r, g, b, 0,
54                    0, 0, 0, a,   r, g, b, 0,   0, 0, 0, a
55                 };
56                 BitmapEx aBitmap = vcl::bitmap::CreateFromData(cross, 3, 3, 12, 32);
57 
58                 // create and exchange at aRetVal
59                 aRetVal.set(std::make_unique<BitmapEx>(aBitmap));
60             }
61 
62             return aRetVal.get() ? *aRetVal.get() : BitmapEx();
63         }
64     } // end of namespace primitive2d
65 } // end of namespace drawinglayer
66 
67 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
68