LibreOffice Module svx (master)  1
sdrprimitivetools.cxx
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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 
21 #include <osl/mutex.hxx>
22 #include <vcl/lazydelete.hxx>
23 #include <vcl/BitmapTools.hxx>
24 
25 
26 // helper methods
27 
29 {
31  {
32  static vcl::DeleteOnDeinit< BitmapEx > aRetVal(nullptr);
33  static basegfx::BColor aBColor;
34  static ::osl::Mutex aMutex;
35 
36  ::osl::MutexGuard aGuard(aMutex);
37 
38  if(!aRetVal.get() || rBColor != aBColor)
39  {
40  // copy values
41  aBColor = rBColor;
42 
43  // create bitmap
44  Color c(aBColor);
45  sal_uInt8 r = c.GetRed();
46  sal_uInt8 g = c.GetGreen();
47  sal_uInt8 b = c.GetBlue();
48  sal_uInt8 a = 255;
49  const sal_uInt8 cross[] = {
50  0, 0, 0, a, r, g, b, 0, 0, 0, 0, a,
51  r, g, b, 0, r, g, b, 0, r, g, b, 0,
52  0, 0, 0, a, r, g, b, 0, 0, 0, 0, a
53  };
54  BitmapEx aBitmap = vcl::bitmap::CreateFromData(cross, 3, 3, 12, 32);
55 
56  // create and exchange at aRetVal
57  aRetVal.set(std::make_unique<BitmapEx>(aBitmap));
58  }
59 
60  return aRetVal.get() ? *aRetVal.get() : BitmapEx();
61  }
62 } // end of namespace
63 
64 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
sal_uInt8 GetRed() const
BitmapEx CreateFromData(sal_uInt8 const *pData, sal_Int32 nWidth, sal_Int32 nHeight, sal_Int32 nStride, sal_uInt16 nBitCount)
Mutex aMutex
sal_uInt8 GetBlue() const
std::unique_ptr< T > set(std::unique_ptr< T > i_pNew)
uno_Any a
BitmapEx createDefaultCross_3x3(const basegfx::BColor &rBColor)
B3DVector cross(const B3DVector &rVecA, const B3DVector &rVecB)
sal_uInt8 GetGreen() const
unsigned char sal_uInt8