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/*
* Copyright (c) 2022, Torsten Engelmann
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "Image.h"
#include <LibGUI/AbstractScrollableWidget.h>
namespace PixelPaint {
class HistogramWidget final
: public GUI::Frame
, ImageClient {
C_OBJECT(HistogramWidget);
public:
virtual ~HistogramWidget() override;
void set_image(Image*);
void image_changed();
void set_color_at_mouseposition(Color);
private:
HistogramWidget() = default;
virtual void paint_event(GUI::PaintEvent&) override;
ErrorOr<void> rebuild_histogram_data();
int m_widget_height = 0;
Color m_color_at_mouseposition = Color::Transparent;
RefPtr<Image> m_image;
struct HistogramData {
Vector<int> red;
Vector<int> green;
Vector<int> blue;
Vector<int> brightness;
};
HistogramData m_data;
};
}
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