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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
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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 .
18  */
19 
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  {
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: */
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