/*
 * Copyright (c) 2020, Ben Jilks <benjyjilks@gmail.com>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#include "Tool.h"

namespace PixelPaint {

class BrushTool final : public Tool {
public:
    BrushTool();
    virtual ~BrushTool() override;

    virtual void on_mousedown(Layer&, GUI::MouseEvent& layer_event, GUI::MouseEvent& image_event) override;
    virtual void on_mousemove(Layer&, GUI::MouseEvent& layer_event, GUI::MouseEvent& image_event) override;
    virtual void on_mouseup(Layer&, GUI::MouseEvent& layer_event, GUI::MouseEvent& image_event) override;
    virtual GUI::Widget* get_properties_widget() override;

private:
    RefPtr<GUI::Widget> m_properties_widget;
    int m_size { 20 };
    int m_hardness { 80 };
    bool m_was_drawing { false };
    Gfx::IntPoint m_last_position;

    void draw_line(Gfx::Bitmap& bitmap, const Gfx::Color& color, const Gfx::IntPoint& start, const Gfx::IntPoint& end);
    void draw_point(Gfx::Bitmap& bitmap, const Gfx::Color& color, const Gfx::IntPoint& point);
};

}