Point.h

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/*******************************************************************************
 * This file is part of the Zivid 3D Camera API
 *
 * Copyright 2015-2020 (C) Zivid AS
 * All rights reserved.
 * 
 * Zivid Software License, v1.0
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
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 * to endorse or promote products derived from this software without specific
 * prior written permission.
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 * 4. This software, with or without modification, must not be used with any
 * other 3D camera than from Zivid AS.
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#pragma once
 
#include <cmath>
#include <cstdint>
#include <cstring>
#include <limits>
#include <numeric>
 
namespace Zivid
{
    class Point
    {
    public:
        float x;        
        float y;        
        float z;        
        float contrast; 
        uint32_t rgba;  
 
        Point()
            : x{ 0.0F }
            , y{ 0.0F }
            , z{ 0.0F }
            , contrast{ 0.0F }
            , rgba{ 0xff000000 }
        {}
 
        void setNaN()
        {
            x = y = z = std::numeric_limits<float>::quiet_NaN();
        }
 
        bool isNaN() const
        {
            return std::isnan(z);
        }
 
        inline void setRgba(unsigned char r, unsigned char g, unsigned char b, unsigned char a)
        {
            rgba = static_cast<uint32_t>((a << 24) | (r << 16) | (g << 8) | b);
        }
 
        inline void setRgb(unsigned char r, unsigned char g, unsigned char b)
        {
            setRgba(r, g, b, 255);
        }
 
        inline void setIntensity(unsigned char val)
        {
            setRgb(val, val, val);
        }
 
        inline void setContrast(float value)
        {
            contrast = value;
        }
 
        inline unsigned char alpha() const
        {
            return (rgba >> 24) & 0xff;
        }
 
        inline unsigned char red() const
        {
            return (rgba >> 16) & 0xff;
        }
 
        inline unsigned char green() const
        {
            return (rgba >> 8) & 0xff;
        }
 
        inline unsigned char blue() const
        {
            return (rgba & 0xff);
        }
 
        inline unsigned char intensity() const
        {
            unsigned short r = red();
            unsigned short g = green();
            unsigned short b = blue();
            return static_cast<unsigned char>((r + g + b) / 3);
        }
    };
} // namespace Zivid