ladybird/Userland/Demos/Eyes/EyesWidget.h
MacDue cf5b6c5c8d Demos/Eyes: Render eyes antialiased
This looks good, and is a good way to test ellipse rendering is
working properly.
2022-05-07 22:59:02 +02:00

42 lines
1.2 KiB
C++

/*
* Copyright (c) 2020, Sergey Bugaev <bugaevc@serenityos.org>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGUI/MouseTracker.h>
#include <LibGUI/Widget.h>
#include <LibGfx/AntiAliasingPainter.h>
class EyesWidget final : public GUI::Widget
, GUI::MouseTracker {
C_OBJECT(EyesWidget)
public:
virtual ~EyesWidget() override = default;
private:
EyesWidget(int num_eyes, int full_rows, int extra)
: m_full_rows(full_rows)
, m_extra_columns(extra)
{
m_num_rows = m_extra_columns > 0 ? m_full_rows + 1 : m_full_rows;
m_eyes_in_row = m_full_rows > 0 ? (num_eyes - m_extra_columns) / m_full_rows : m_extra_columns;
}
virtual void paint_event(GUI::PaintEvent&) override;
virtual void track_mouse_move(Gfx::IntPoint const&) override;
void render_eyeball(int row, int column, Gfx::AntiAliasingPainter& aa_painter) const;
Gfx::IntPoint pupil_center(Gfx::IntRect& eyeball_bounds) const;
Gfx::IntPoint m_mouse_position;
int m_eyes_in_row { -1 };
int m_full_rows { -1 };
int m_extra_columns { -1 };
int m_num_rows { -1 };
};