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PixelPaint: Allow partial invalidation of Layer and Image

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Let's give ourselves the tools needed to update less than the entire
image every time we paint.

This patch adds plumbing so that Layer invalidations have a modified
rect that gets passed on to Image, and then on to ImageEditor.
This commit is contained in:
Andreas Kling 2021-07-06 20:35:19 +02:00
parent b7e551b164
commit f7053059c9
6 changed files with 14 additions and 13 deletions
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9
Userland/Applications/PixelPaint/Image.cpp
View file

@ -384,13 +384,13 @@ void Image::remove_client(ImageClient& client)
m_clients.remove(&client);
}
void Image::layer_did_modify_bitmap(Badge<Layer>, Layer const& layer)
void Image::layer_did_modify_bitmap(Badge<Layer>, Layer const& layer, Gfx::IntRect const& modified_layer_rect)
{
auto layer_index = index_of(layer);
for (auto* client : m_clients)
client->image_did_modify_layer(layer_index);
did_change();
did_change(modified_layer_rect.translated(layer.location()));
}
void Image::layer_did_modify_properties(Badge<Layer>, Layer const& layer)
@ -402,10 +402,11 @@ void Image::layer_did_modify_properties(Badge<Layer>, Layer const& layer)
did_change();
}
void Image::did_change()
void Image::did_change(Gfx::IntRect const& a_modified_rect)
{
auto modified_rect = a_modified_rect.is_empty() ? this->rect() : a_modified_rect;
for (auto* client : m_clients)
client->image_did_change();
client->image_did_change(modified_rect);
}
ImageUndoCommand::ImageUndoCommand(Image& image)