RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 08:17:45 +00:00
Code Issues Activity Actions

PixelPaint: Implement Merge Active Layer Up

Browse source 
Implements 'Merge Active Layer Up' and adds it to the 'Layer' menu.
This commit is contained in:
electrikmilk 2022-02-14 23:49:20 -05:00 • committed by Andreas Kling
parent db299e9804
commit 7e5b3ce26b
3 changed files with 29 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

17
Userland/Applications/PixelPaint/Image.cpp
View file

@ -369,6 +369,23 @@ void Image::merge_visible_layers()
}
}
void Image::merge_active_layer_up(Layer& layer)
{
if (m_layers.size() < 2)
return;
size_t layer_index = this->index_of(layer);
if ((layer_index + 1) == m_layers.size()) {
dbgln("Cannot merge layer up: layer is already at the top");
return; // FIXME: Notify user of error properly.
}
auto& layer_above = m_layers.at(layer_index + 1);
GUI::Painter painter(layer_above.bitmap());
painter.draw_scaled_bitmap(rect(), layer.bitmap(), layer.rect(), (float)layer.opacity_percent() / 100.0f);
remove_layer(layer);
select_layer(&layer_above);
}
void Image::merge_active_layer_down(Layer& layer)
{
if (m_layers.size() < 2)

1
Userland/Applications/PixelPaint/Image.h
View file

@ -81,6 +81,7 @@ public:
void select_layer(Layer*);
void flatten_all_layers();
void merge_visible_layers();
void merge_active_layer_up(Layer& layer);
void merge_active_layer_down(Layer& layer);
void add_client(ImageClient&);

11
Userland/Applications/PixelPaint/MainWidget.cpp
View file

@ -591,6 +591,17 @@ void MainWidget::initialize_menubar(GUI::Window& window)
editor->did_complete_action();
}));
m_layer_menu->add_action(GUI::Action::create(
"Merge &Active Layer Up", [&](auto&) {
auto* editor = current_image_editor();
VERIFY(editor);
auto active_layer = editor->active_layer();
if (!active_layer)
return;
editor->image().merge_active_layer_up(*active_layer);
editor->did_complete_action();
}));
m_layer_menu->add_action(GUI::Action::create(
"M&erge Active Layer Down", { Mod_Ctrl, Key_E }, [&](auto&) {
auto* editor = current_image_editor();