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PixelPaint: Add grayscale filter

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Add a new Color category to the Filter menu. Add the Grayscale
filter under Filter->Color to turn the selected layer to grey colors.
Created GrayscaleFilter.h. Modify Filter.h to allow filters
without parameters.
This commit is contained in:
savary1 2021-08-26 23:37:44 +02:00 • committed by Andreas Kling
parent fdc9ff2ee7
commit dd912bd351
4 changed files with 60 additions and 1 deletions
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12
Userland/Applications/PixelPaint/main.cpp
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@ -660,6 +660,18 @@ int main(int argc, char** argv)
}
}));
auto& color_filters_menu = filter_menu.add_submenu("&Color");
color_filters_menu.add_action(GUI::Action::create("Grayscale", [&](auto&) {
auto* editor = current_image_editor();
if (!editor)
return;
if (auto* layer = editor->active_layer()) {
Gfx::GrayscaleFilter filter;
filter.apply(layer->bitmap(), layer->rect(), layer->bitmap(), layer->rect());
editor->did_complete_action();
}
}));
auto& help_menu = window->add_menu("&Help");
help_menu.add_action(GUI::CommonActions::make_about_action("Pixel Paint", app_icon, window));