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PixelPaint: Undo and redo actions
The most used feature of any image editor, undo. Each tool now notifies the ImageEditor that they completed an action, where it'll take a snapshot if its current state. For now, a snapshot is just a copy of the whole image and its layers. There's a hard limit on the amount of actions it stores.
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21 changed files with 256 additions and 2 deletions
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@ -82,6 +82,7 @@ void RectangleTool::on_mouseup(Layer& layer, GUI::MouseEvent& event, GUI::MouseE
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draw_using(painter, rect);
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m_drawing_button = GUI::MouseButton::None;
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layer.did_modify_bitmap(*m_editor->image());
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m_editor->did_complete_action();
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}
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}
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