LibWeb: Implement CanvasRenderingContext2D.restore()

1 files changed, 9 insertions, 0 deletions

diff --git a/Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.cpp b/Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.cpp
index a7eab5c996..5ec1a7a6c3 100644
--- a/Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.cpp
+++ b/Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.cpp
@@ -320,4 +320,13 @@ void CanvasRenderingContext2D::save()
     m_drawing_state_stack.append(m_drawing_state);
 }
 
+// https://html.spec.whatwg.org/multipage/canvas.html#dom-context-2d-restore
+void CanvasRenderingContext2D::restore()
+{
+    // The restore() method steps are to pop the top entry in the drawing state stack, and reset the drawing state it describes. If there is no saved state, then the method must do nothing.
+    if (m_drawing_state_stack.is_empty())
+        return;
+    m_drawing_state = m_drawing_state_stack.take_last();
+}
+
 }