Color.cpp

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// SPDX-FileCopyrightText: Copyright (c) OpenGeoSys Community (opengeosys.org)
// SPDX-License-Identifier: BSD-3-Clause
 
#include "Color.h"
 
#include "BaseLib/Logging.h"
 
namespace DataHolderLib
{
Color createColor(unsigned char r,
                  unsigned char g,
                  unsigned char b,
                  unsigned char a)
{
    return Color{{r, g, b, a}};
}
 
Color getRandomColor()
{
    return createColor(static_cast<unsigned char>((rand() % 5) * 50),
                       static_cast<unsigned char>((rand() % 5) * 50),
                       static_cast<unsigned char>((rand() % 5) * 50));
}
 
Color getColor(const std::string& id, std::map<std::string, Color>& colors)
{
    auto it = colors.find(id);
 
    if (it == end(colors))
    {
        WARN("Key '{:s}' not found in color lookup table.", id);
        it = colors.insert({id, getRandomColor()}).first;
    }
 
    return it->second;
}
 
}  // namespace DataHolderLib