64 lines
2.3 KiB
C++
64 lines
2.3 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <sdr/primitive2d/sdrprimitivetools.hxx>
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#include <tools/lazydelete.hxx>
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#include <vcl/BitmapTools.hxx>
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#include <mutex>
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// helper methods
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namespace drawinglayer::primitive2d
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{
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BitmapEx createDefaultCross_3x3(const basegfx::BColor& rBColor)
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{
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static tools::DeleteOnDeinit< BitmapEx > aRetVal(tools::DeleteOnDeinitFlag::Empty);
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static basegfx::BColor aBColor;
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static std::mutex aMutex;
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std::scoped_lock aGuard(aMutex);
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if(!aRetVal.get() || rBColor != aBColor)
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{
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// copy values
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aBColor = rBColor;
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// create bitmap
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Color c(aBColor);
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sal_uInt8 r = c.GetRed();
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sal_uInt8 g = c.GetGreen();
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sal_uInt8 b = c.GetBlue();
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sal_uInt8 a = 255;
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const sal_uInt8 cross[] = {
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0, 0, 0, a, r, g, b, 0, 0, 0, 0, a,
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r, g, b, 0, r, g, b, 0, r, g, b, 0,
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0, 0, 0, a, r, g, b, 0, 0, 0, 0, a
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};
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BitmapEx aBitmap = vcl::bitmap::CreateFromData(cross, 3, 3, 12, /*nBitsPerPixel*/32);
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// create and exchange at aRetVal
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aRetVal.set(aBitmap);
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}
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return aRetVal.get() ? *aRetVal.get() : BitmapEx();
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}
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} // end of namespace
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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