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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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@ -2,6 +2,7 @@
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2021, Jakob-Niklas See <git@nwex.de>
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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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@ -12,6 +13,7 @@
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#include <LibCore/ConfigFile.h>
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#include <LibCore/System.h>
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#include <LibFileSystemAccessClient/Client.h>
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#include <LibGUI/ActionGroup.h>
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#include <LibGUI/Application.h>
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#include <LibGUI/BoxLayout.h>
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#include <LibGUI/Button.h>
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@ -26,6 +28,7 @@
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#include <LibGUI/SpinBox.h>
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#include <LibGUI/TextBox.h>
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#include <LibGUI/Window.h>
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#include <LibGfx/Filters/ColorBlindnessFilter.h>
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#include <LibMain/Main.h>
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#include <unistd.h>
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@ -316,6 +319,67 @@ ErrorOr<int> serenity_main(Main::Arguments arguments)
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TRY(file_menu->try_add_separator());
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TRY(file_menu->try_add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); })));
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auto accessibility_menu = TRY(window->try_add_menu("&Accessibility"));
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auto default_accessibility_action = GUI::Action::create_checkable("Default - non-impaired", { Mod_AltGr, Key_1 }, [&](auto&) {
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preview_widget.set_color_filter(nullptr);
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});
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default_accessibility_action->set_checked(true);
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auto pratanopia_accessibility_action = GUI::Action::create_checkable("Protanopia", { Mod_AltGr, Key_2 }, [&](auto&) {
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preview_widget.set_color_filter(Gfx::ColorBlindnessFilter::create_protanopia());
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});
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auto pratanomaly_accessibility_action = GUI::Action::create_checkable("Protanomaly", { Mod_AltGr, Key_3 }, [&](auto&) {
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preview_widget.set_color_filter(Gfx::ColorBlindnessFilter::create_protanomaly());
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});
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auto tritanopia_accessibility_action = GUI::Action::create_checkable("Tritanopia", { Mod_AltGr, Key_4 }, [&](auto&) {
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preview_widget.set_color_filter(Gfx::ColorBlindnessFilter::create_tritanopia());
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});
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auto tritanomaly_accessibility_action = GUI::Action::create_checkable("Tritanomaly", { Mod_AltGr, Key_5 }, [&](auto&) {
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preview_widget.set_color_filter(Gfx::ColorBlindnessFilter::create_tritanomaly());
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});
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auto deuteranopia_accessibility_action = GUI::Action::create_checkable("Deuteranopia", { Mod_AltGr, Key_6 }, [&](auto&) {
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preview_widget.set_color_filter(Gfx::ColorBlindnessFilter::create_deuteranopia());
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});
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auto deuteranomaly_accessibility_action = GUI::Action::create_checkable("Deuteranomaly", { Mod_AltGr, Key_7 }, [&](auto&) {
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preview_widget.set_color_filter(Gfx::ColorBlindnessFilter::create_deuteranomaly());
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});
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auto achromatopsia_accessibility_action = GUI::Action::create_checkable("Achromatopsia", { Mod_AltGr, Key_8 }, [&](auto&) {
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preview_widget.set_color_filter(Gfx::ColorBlindnessFilter::create_achromatopsia());
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});
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auto achromatomaly_accessibility_action = GUI::Action::create_checkable("Achromatomaly", { Mod_AltGr, Key_9 }, [&](auto&) {
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preview_widget.set_color_filter(Gfx::ColorBlindnessFilter::create_achromatomaly());
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});
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auto preview_type_action_group = make<GUI::ActionGroup>();
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preview_type_action_group->set_exclusive(true);
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preview_type_action_group->add_action(*default_accessibility_action);
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preview_type_action_group->add_action(*pratanopia_accessibility_action);
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preview_type_action_group->add_action(*pratanomaly_accessibility_action);
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preview_type_action_group->add_action(*tritanopia_accessibility_action);
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preview_type_action_group->add_action(*tritanomaly_accessibility_action);
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preview_type_action_group->add_action(*deuteranopia_accessibility_action);
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preview_type_action_group->add_action(*deuteranomaly_accessibility_action);
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preview_type_action_group->add_action(*achromatopsia_accessibility_action);
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preview_type_action_group->add_action(*achromatomaly_accessibility_action);
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TRY(accessibility_menu->try_add_action(default_accessibility_action));
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TRY(accessibility_menu->try_add_action(pratanopia_accessibility_action));
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TRY(accessibility_menu->try_add_action(pratanomaly_accessibility_action));
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TRY(accessibility_menu->try_add_action(tritanopia_accessibility_action));
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TRY(accessibility_menu->try_add_action(tritanomaly_accessibility_action));
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TRY(accessibility_menu->try_add_action(deuteranopia_accessibility_action));
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TRY(accessibility_menu->try_add_action(deuteranomaly_accessibility_action));
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TRY(accessibility_menu->try_add_action(achromatopsia_accessibility_action));
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TRY(accessibility_menu->try_add_action(achromatomaly_accessibility_action));
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auto help_menu = TRY(window->try_add_menu("&Help"));
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TRY(help_menu->try_add_action(GUI::CommonActions::make_about_action("Theme Editor", app_icon, window)));
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