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5aeb6552f0
This patch adds a basic dialog to change brightness, contrast and gamma correction for the selected layer.
39 lines
936 B
C++
39 lines
936 B
C++
/*
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* Copyright (c) 2022, Torsten Engelmann <engelTorsten@gmx.de>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include "ImageEditor.h"
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#include "Layer.h"
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#include <LibGUI/Dialog.h>
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namespace PixelPaint {
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class LevelsDialog final : public GUI::Dialog {
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C_OBJECT(LevelsDialog);
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public:
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void revert_possible_changes();
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private:
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LevelsDialog(GUI::Window* parent_window, ImageEditor*);
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ImageEditor* m_editor { nullptr };
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RefPtr<Gfx::Bitmap> m_reference_bitmap { nullptr };
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RefPtr<GUI::ValueSlider> m_brightness_slider = { nullptr };
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RefPtr<GUI::ValueSlider> m_contrast_slider = { nullptr };
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RefPtr<GUI::ValueSlider> m_gamma_slider = { nullptr };
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bool m_did_change = false;
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int m_precomputed_color_correction[256];
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ErrorOr<void> ensure_reference_bitmap();
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void generate_new_image();
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void cleanup_resources();
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void generate_precomputed_color_correction();
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};
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}
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