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