Luna/libui/src/Rect.cpp

/**
 * @file Rect.cpp
 * @author apio (cloudapio.eu)
 * @brief A simple 2D rectangle representation.
 *
 * @copyright Copyright (c) 2023, the Luna authors.
 *
 */

#include <ui/Rect.h>

namespace ui
{
    bool Rect::contains(Point point)
    {
        return (point.x >= pos.x) && (point.y >= pos.y) && (point.x <= (pos.x + width)) &&
               (point.y <= (pos.y + height));
    }

    bool Rect::contains(Rect rect)
    {
        if (!contains(rect.pos)) return false;
        Point rel = relative(rect.pos);
        if ((rel.x + rect.width) > width) return false;
        if ((rel.y + rect.height) > height) return false;
        return true;
    }

    Point Rect::normalize(Point point)
    {
        if (point.x < pos.x) point.x = pos.x;
        if (point.y < pos.y) point.y = pos.y;
        if (point.x > pos.x + width) point.x = pos.x + width;
        if (point.y > pos.y + height) point.y = pos.y + height;
        return point;
    }

    Point Rect::relative(Point point)
    {
        point = normalize(point);
        point.x -= pos.x;
        point.y -= pos.y;
        return point;
    }

    Point Rect::absolute(Point point)
    {
        point.x += pos.x;
        point.y += pos.y;
        return point;
    }

    Rect Rect::absolute(Rect rect)
    {
        return Rect { absolute(rect.pos), rect.width, rect.height };
    }

    Rect Rect::normalized()
    {
        return Rect { ui::Point { pos.x < 0 ? 0 : pos.x, pos.y < 0 ? 0 : pos.y }, width, height };
    }
};