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Demos: Move to Userland/Demos/
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23 changed files with 1 additions and 1 deletions
7
Userland/Demos/Eyes/CMakeLists.txt
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7
Userland/Demos/Eyes/CMakeLists.txt
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set(SOURCES
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main.cpp
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EyesWidget.cpp
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)
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serenity_app(Eyes ICON app-eyes)
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target_link_libraries(Eyes LibGUI LibGfx)
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137
Userland/Demos/Eyes/EyesWidget.cpp
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137
Userland/Demos/Eyes/EyesWidget.cpp
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/*
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* Copyright (c) 2020, Sergey Bugaev <bugaevc@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "EyesWidget.h"
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#include <LibGUI/Painter.h>
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#include <LibGUI/Window.h>
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#include <LibGUI/WindowServerConnection.h>
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#include <LibGfx/Palette.h>
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#include <math.h>
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EyesWidget::~EyesWidget()
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{
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}
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void EyesWidget::track_cursor_globally()
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{
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ASSERT(window());
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auto window_id = window()->window_id();
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ASSERT(window_id >= 0);
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set_global_cursor_tracking(true);
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GUI::WindowServerConnection::the().send_sync<Messages::WindowServer::SetGlobalCursorTracking>(window_id, true);
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}
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void EyesWidget::mousemove_event(GUI::MouseEvent& event)
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{
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m_mouse_position = event.position();
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update();
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}
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void EyesWidget::paint_event(GUI::PaintEvent& event)
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{
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GUI::Painter painter(*this);
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painter.clear_rect(event.rect(), Gfx::Color());
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for (int i = 0; i < m_full_rows; i++) {
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for (int j = 0; j < m_eyes_in_row; j++)
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render_eyeball(i, j, painter);
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}
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for (int i = 0; i < m_extra_columns; ++i)
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render_eyeball(m_full_rows, i, painter);
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}
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void EyesWidget::render_eyeball(int row, int column, GUI::Painter& painter) const
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{
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auto eye_width = width() / m_eyes_in_row;
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auto eye_height = height() / m_num_rows;
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Gfx::IntRect bounds { column * eye_width, row * eye_height, eye_width, eye_height };
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auto width_thickness = max(int(eye_width / 5.5), 1);
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auto height_thickness = max(int(eye_height / 5.5), 1);
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bounds.shrink(int(eye_width / 12.5), 0);
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painter.fill_ellipse(bounds, palette().base_text());
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bounds.shrink(width_thickness, height_thickness);
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painter.fill_ellipse(bounds, palette().base());
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Gfx::IntPoint pupil_center = this->pupil_center(bounds);
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Gfx::IntSize pupil_size {
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bounds.width() / 5,
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bounds.height() / 5
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};
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Gfx::IntRect pupil {
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pupil_center.x() - pupil_size.width() / 2,
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pupil_center.y() - pupil_size.height() / 2,
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pupil_size.width(),
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pupil_size.height()
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};
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painter.fill_ellipse(pupil, palette().base_text());
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}
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Gfx::IntPoint EyesWidget::pupil_center(Gfx::IntRect& eyeball_bounds) const
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{
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auto mouse_vector = m_mouse_position - eyeball_bounds.center();
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double dx = mouse_vector.x();
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double dy = mouse_vector.y();
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double mouse_distance = sqrt(dx * dx + dy * dy);
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if (mouse_distance == 0.0)
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return eyeball_bounds.center();
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double width_squared = eyeball_bounds.width() * eyeball_bounds.width();
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double height_squared = eyeball_bounds.height() * eyeball_bounds.height();
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double max_distance_along_this_direction;
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// clang-format off
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if (dx != 0 && abs(dx) >= abs(dy)) {
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double slope = dy / dx;
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double slope_squared = slope * slope;
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max_distance_along_this_direction = 0.25 * sqrt(
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(slope_squared + 1) /
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(1 / width_squared + slope_squared / height_squared)
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);
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} else if (dy != 0 && abs(dy) >= abs(dx)) {
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double slope = dx / dy;
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double slope_squared = slope * slope;
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max_distance_along_this_direction = 0.25 * sqrt(
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(slope_squared + 1) /
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(slope_squared / width_squared + 1 / height_squared)
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);
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} else {
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ASSERT_NOT_REACHED();
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}
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// clang-format on
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double scale = min(1.0, max_distance_along_this_direction / mouse_distance);
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return {
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eyeball_bounds.center().x() + int(dx * scale),
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eyeball_bounds.center().y() + int(dy * scale)
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};
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}
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59
Userland/Demos/Eyes/EyesWidget.h
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59
Userland/Demos/Eyes/EyesWidget.h
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/*
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* Copyright (c) 2020, Sergey Bugaev <bugaevc@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <LibGUI/Widget.h>
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#include <LibGfx/Point.h>
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class EyesWidget final : public GUI::Widget {
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C_OBJECT(EyesWidget)
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public:
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virtual ~EyesWidget();
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void track_cursor_globally();
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private:
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EyesWidget(int num_eyes, int full_rows, int extra)
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: m_full_rows(full_rows)
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, m_extra_columns(extra)
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{
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m_num_rows = m_extra_columns > 0 ? m_full_rows + 1 : m_full_rows;
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m_eyes_in_row = m_full_rows > 0 ? (num_eyes - m_extra_columns) / m_full_rows : m_extra_columns;
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}
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virtual void mousemove_event(GUI::MouseEvent&) override;
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virtual void paint_event(GUI::PaintEvent&) override;
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void render_eyeball(int row, int column, GUI::Painter&) const;
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Gfx::IntPoint pupil_center(Gfx::IntRect& eyeball_bounds) const;
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Gfx::IntPoint m_mouse_position;
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int m_eyes_in_row { -1 };
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int m_full_rows { -1 };
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int m_extra_columns { -1 };
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int m_num_rows { -1 };
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};
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113
Userland/Demos/Eyes/main.cpp
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113
Userland/Demos/Eyes/main.cpp
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/*
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* Copyright (c) 2020, Sergey Bugaev <bugaevc@serenityos.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "EyesWidget.h"
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#include <LibCore/ArgsParser.h>
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#include <LibGUI/Application.h>
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#include <LibGUI/Icon.h>
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#include <LibGUI/Menu.h>
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#include <LibGUI/MenuBar.h>
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#include <LibGUI/Window.h>
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#include <LibGfx/Bitmap.h>
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int main(int argc, char* argv[])
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{
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int num_eyes = 2;
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int max_in_row = 13;
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// Alternatively, allow the user to ask for a grid.
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int grid_rows = -1;
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int grid_columns = -1;
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Core::ArgsParser args_parser;
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args_parser.add_option(num_eyes, "Number of eyes", "num-eyes", 'n', "number");
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args_parser.add_option(max_in_row, "Maximum number of eyes in a row", "max-in-row", 'm', "number");
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args_parser.add_option(grid_rows, "Number of rows in grid (incompatible with --number)", "grid-rows", 'r', "number");
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args_parser.add_option(grid_columns, "Number of columns in grid (incompatible with --number)", "grid-cols", 'c', "number");
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args_parser.parse(argc, argv);
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if (pledge("stdio shared_buffer accept rpath unix cpath wpath fattr thread", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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auto app = GUI::Application::construct(argc, argv);
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if (pledge("stdio shared_buffer accept rpath cpath wpath thread", nullptr) < 0) {
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perror("pledge");
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return 1;
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}
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if (unveil("/res", "r") < 0) {
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perror("unveil");
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return 1;
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}
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if (unveil(nullptr, nullptr) < 0) {
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perror("unveil");
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return 1;
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}
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if ((grid_rows > 0) ^ (grid_columns > 0)) {
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warnln("Expected either both or none of 'grid-rows' and 'grid-cols' to be passed.");
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return 1;
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}
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int full_rows, extra_columns;
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if (grid_rows > 0) {
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full_rows = grid_rows;
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extra_columns = 0;
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num_eyes = grid_rows * grid_columns;
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max_in_row = grid_columns;
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} else {
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full_rows = num_eyes / max_in_row;
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extra_columns = num_eyes % max_in_row;
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}
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auto app_icon = GUI::Icon::default_icon("app-eyes");
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auto window = GUI::Window::construct();
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window->set_title("Eyes");
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window->set_icon(app_icon.bitmap_for_size(16));
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window->resize(75 * (full_rows > 0 ? max_in_row : extra_columns), 100 * (full_rows + (extra_columns > 0 ? 1 : 0)));
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window->set_has_alpha_channel(true);
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auto& eyes = window->set_main_widget<EyesWidget>(num_eyes, full_rows, extra_columns);
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auto menubar = GUI::MenuBar::construct();
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auto& app_menu = menubar->add_menu("Eyes Demo");
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app_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); }));
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auto& help_menu = menubar->add_menu("Help");
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help_menu.add_action(GUI::CommonActions::make_about_action("Eyes Demo", app_icon, window));
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app->set_menubar(move(menubar));
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window->show();
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eyes.track_cursor_globally();
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return app->exec();
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}
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