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/*
* 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_aspect_ratio(Point<T> const& previous_end_point, float aspect_ratio) const
{
VERIFY(aspect_ratio > 0);
const T x_sign = previous_end_point.x() >= x() ? 1 : -1;
const T y_sign = previous_end_point.y() >= y() ? 1 : -1;
T dx = AK::abs(previous_end_point.x() - x());
T dy = AK::abs(previous_end_point.y() - y());
if (dx > dy) {
dy = (T)((float)dx / aspect_ratio);
} else {
dx = (T)((float)dy * aspect_ratio);
}
return { x() + x_sign * dx, y() + y_sign * dy };
}
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;
}
ErrorOr<void> decode(Decoder& decoder, Gfx::IntPoint& point)
{
int x = 0;
int y = 0;
TRY(decoder.decode(x));
TRY(decoder.decode(y));
point = { x, y };
return {};
}
}
template class Gfx::Point<int>;
template class Gfx::Point<float>;
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