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PixelPaint: Add loading and saving of color palettes

Browse source 
Color palettes can now be stored in and read from files. The default
palette will be read from `/res/color-palettes/default.palette`
instead of being hard-coded in PaletteWidget.

The file format is one color per line, in any format that can be
understood by `Gfx::Color::from_string`.
This commit is contained in:
Felix Rauch 2021-06-21 16:14:27 +02:00 • committed by Andreas Kling
parent 5ac9494483
commit 8d91dbf6c0
5 changed files with 213 additions and 41 deletions
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26
Userland/Applications/PixelPaint/main.cpp
View file

@ -265,6 +265,32 @@ int main(int argc, char** argv)
}
},
window));
edit_menu.add_action(GUI::Action::create(
"&Load Color Palette", [&](auto&) {
auto open_path = GUI::FilePicker::get_open_filepath(window, "Load Color Palette");
if (!open_path.has_value())
return;
auto result = PixelPaint::PaletteWidget::load_palette_file(open_path.value());
if (result.is_error()) {
GUI::MessageBox::show_error(window, String::formatted("Loading color palette failed: {}", result.error()));
return;
}
palette_widget.display_color_list(result.value());
},
window));
edit_menu.add_action(GUI::Action::create(
"Sa&ve Color Palette", [&](auto&) {
auto save_path = GUI::FilePicker::get_save_filepath(window, "untitled", "palette");
if (!save_path.has_value())
return;
auto result = PixelPaint::PaletteWidget::save_palette_file(palette_widget.colors(), save_path.value());
if (result.is_error())
GUI::MessageBox::show_error(window, String::formatted("Writing color palette failed: {}", result.error()));
},
window));
auto& view_menu = menubar->add_menu("&View");