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ThemeEditor: Implement a way to simulate color blindness in preview
Implement a mechanism that allows us to alter colors so that they mimic those a colorblind person would see. From the color we can then alter the colors for the whole preview so we can simulate everything in the theme including icons/decorations. This filter is also available as a Filter in LibGfx so it can be reused in multiple other places. The color simulation algorithm is based on this one https://github.com/MaPePeR/jsColorblindSimulator publicly available.
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@ -1,6 +1,7 @@
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/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Sam Atkins <atkinssj@serenityos.org>
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* Copyright (c) 2021, Antonio Di Stefano <tonio9681@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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@ -9,6 +10,7 @@
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#include <LibGUI/Frame.h>
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#include <LibGfx/Bitmap.h>
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#include <LibGfx/Filters/ColorBlindnessFilter.h>
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#include <LibGfx/Palette.h>
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namespace ThemeEditor {
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@ -25,6 +27,8 @@ public:
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void set_preview_palette(const Gfx::Palette&);
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void set_theme_from_file(String const& path, int fd);
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void set_color_filter(OwnPtr<Gfx::ColorBlindnessFilter>);
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Function<void(String const&)> on_theme_load_from_file;
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private:
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@ -33,11 +37,14 @@ private:
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void load_theme_bitmaps();
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virtual void paint_event(GUI::PaintEvent&) override;
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virtual void second_paint_event(GUI::PaintEvent&) override;
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virtual void resize_event(GUI::ResizeEvent&) override;
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virtual void drop_event(GUI::DropEvent&) override;
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Gfx::Palette m_preview_palette;
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OwnPtr<Gfx::ColorBlindnessFilter> m_color_filter = nullptr;
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RefPtr<Gfx::Bitmap> m_active_window_icon;
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RefPtr<Gfx::Bitmap> m_inactive_window_icon;
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