ladybird/Userland/Libraries/LibGfx/Point.cpp

/*
 * Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#include <AK/String.h>
#include <LibGfx/Point.h>
#include <LibGfx/Rect.h>
#include <LibIPC/Decoder.h>
#include <LibIPC/Encoder.h>

namespace Gfx {

template<typename T>
void Point<T>::constrain(Rect<T> const& rect)
{
    m_x = AK::clamp<T>(x(), rect.left(), rect.right());
    m_y = AK::clamp<T>(y(), rect.top(), rect.bottom());
}

template<typename T>
[[nodiscard]] Point<T> Point<T>::end_point_for_square_aspect_ratio(Point<T> const& previous_end_point) const
{
    const T dx = previous_end_point.x() - x();
    const T dy = previous_end_point.y() - y();
    const T x_sign = dx >= 0 ? 1 : -1;
    const T y_sign = dy >= 0 ? 1 : -1;
    const T abs_size = AK::max(AK::abs(dx), AK::abs(dy));
    return { x() + x_sign * abs_size, y() + y_sign * abs_size };
}

template<>
String IntPoint::to_string() const
{
    return String::formatted("[{},{}]", x(), y());
}

template<>
String FloatPoint::to_string() const
{
    return String::formatted("[{},{}]", x(), y());
}

}

namespace IPC {

bool encode(Encoder& encoder, Gfx::IntPoint const& point)
{
    encoder << point.x() << point.y();
    return true;
}

bool decode(Decoder& decoder, Gfx::IntPoint& point)
{
    int x = 0;
    int y = 0;
    if (!decoder.decode(x))
        return false;
    if (!decoder.decode(y))
        return false;
    point = { x, y };
    return true;
}

}

template class Gfx::Point<int>;
template class Gfx::Point<float>;