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PixelPaint: Add luminosity masking for editing masks

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This adds a function where editing masks can be refined by selecting
a luminosity range that is applied to the content image and mapped to
the editing mask. This function allows the editing of image regions
that match only certain luminosity values.
This commit is contained in:
Torstennator 2023-06-13 15:49:29 +02:00 • committed by Jelle Raaijmakers
parent 660d6f171c
commit dbbf54df2c
6 changed files with 317 additions and 0 deletions
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56
Userland/Applications/PixelPaint/ImageMasking.h Normal file
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/*
* Copyright (c) 2023, Torsten Engelmann <engelTorsten@gmx.de>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include "ImageEditor.h"
#include "Layer.h"
#include <LibGUI/Dialog.h>
#include <LibGUI/RangeSlider.h>
#include <LibGUI/Widget.h>
namespace PixelPaint {
class ImageMasking final : public GUI::Dialog {
C_OBJECT(ImageMasking);
public:
void revert_possible_changes();
private:
ImageMasking(GUI::Window* parent_window, ImageEditor*);
ImageEditor* m_editor { nullptr };
RefPtr<Gfx::Bitmap> m_reference_mask { nullptr };
bool m_did_change = false;
RefPtr<GUI::RangeSlider> m_full_masking_slider = { nullptr };
RefPtr<GUI::RangeSlider> m_edge_masking_slider = { nullptr };
ErrorOr<void> ensure_reference_mask();
void generate_new_mask();
void cleanup_resources();
};
class RangeIllustrationWidget final : public GUI::Widget {
C_OBJECT(RangeIllustrationWidget)
public:
virtual ~RangeIllustrationWidget() override = default;
protected:
virtual void paint_event(GUI::PaintEvent&) override;
private:
RangeIllustrationWidget(RefPtr<GUI::RangeSlider> edge_mask_values, RefPtr<GUI::RangeSlider> full_mask_values)
{
m_edge_mask_values = edge_mask_values;
m_full_mask_values = full_mask_values;
}
RefPtr<GUI::RangeSlider> m_edge_mask_values;
RefPtr<GUI::RangeSlider> m_full_mask_values;
};
}