mapman/src/utils.cpp


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#include "utils.hpp"

#include <QColor>
#include <QImage>

rgb_t modify_color(rgb_t c, uint8_t variant)
{
    int m;
    switch (variant)
    {
        case 0: m = 180; break;
        case 1: m = 200; break;
        case 2: m = 255; break;
        case 3: m = 135; break;
        default: m = 0; break;
    }
    return {uint8_t(m * c.r / 255),
            uint8_t(m * c.g / 255),
            uint8_t(m * c.b / 255)};
}

QColor rgb2qcolor(rgb_t c) {return QColor(c.r, c.g, c.b);}

QPixmap pixmap_of_map_data(const std::array<uint8_t, 128 * 128> &map_data)
{
    QImage ret(128, 128, QImage::Format_ARGB32);
    for (size_t i = 0; i < 128; ++i)
        for (size_t j = 0; j < 128; ++j)
        {
            uint8_t d = map_data[j * 128 + i];
            uint8_t b = d >> 2;
            uint8_t v = d & 3;
            QColor color = Qt::GlobalColor::transparent;
            if (b > 0 && b < 62)
                color = rgb2qcolor(modify_color(MAP_COLORS[b], v));
            ret.setPixelColor(i, j, color);
        }
    return QPixmap::fromImage(ret);
}