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Code Issues Activity Actions

PixelPaint: Add a Duplicate Layer action

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The "Duplicate Layer" action inserts a copy of the selected layer into
the layer stack. The new layer is placed above the selected layer.
This commit is contained in:
Tim Ledbetter 2023-03-24 17:51:24 +00:00 • committed by Jelle Raaijmakers
parent 55feecee36
commit 3faf089be5
7 changed files with 83 additions and 3 deletions
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17
Userland/Applications/PixelPaint/Image.cpp
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@ -200,19 +200,30 @@ ErrorOr<void> Image::export_qoi_to_file(NonnullOwnPtr<Stream> stream) const
return {};
}
void Image::add_layer(NonnullRefPtr<Layer> layer)
void Image::insert_layer(NonnullRefPtr<Layer> layer, size_t index)
{
VERIFY(index <= m_layers.size());
for (auto& existing_layer : m_layers) {
VERIFY(existing_layer != layer);
}
m_layers.append(move(layer));
if (index == m_layers.size())
m_layers.append(move(layer));
else
m_layers.insert(index, move(layer));
for (auto* client : m_clients)
client->image_did_add_layer(m_layers.size() - 1);
client->image_did_add_layer(index);
did_modify_layer_stack();
}
void Image::add_layer(NonnullRefPtr<Layer> layer)
{
insert_layer(move(layer), m_layers.size());
}
ErrorOr<NonnullRefPtr<Image>> Image::take_snapshot() const
{
auto snapshot = TRY(create_with_size(m_size));