From b5c7f936de1af0ce11e8257c4bba56c4a4e12f11 Mon Sep 17 00:00:00 2001
From: Julian Harnath <julian.harnath@rwth-aachen.de>
Date: Wed, 8 Jul 2015 21:27:24 +0200
Subject: [PATCH] app_server: allow replacing the DrawState in a Canvas

* Needed for layers support. The previously set DrawState and its
  stack predecessors are not freed, so take care to not leak memory
  when using this.
---
 src/servers/app/Canvas.cpp | 7 +++++++
 src/servers/app/Canvas.h   | 1 +
 2 files changed, 8 insertions(+)

diff --git a/src/servers/app/Canvas.cpp b/src/servers/app/Canvas.cpp
index 729a160ff4..89b100f9d6 100644
--- a/src/servers/app/Canvas.cpp
+++ b/src/servers/app/Canvas.cpp
@@ -88,6 +88,13 @@ Canvas::PopState()
 }
 
 
+void
+Canvas::SetDrawState(DrawState* newState)
+{
+	fDrawState = newState;
+}
+
+
 void
 Canvas::SetDrawingOrigin(BPoint origin)
 {
diff --git a/src/servers/app/Canvas.h b/src/servers/app/Canvas.h
index 8bc799aae3..3744435187 100644
--- a/src/servers/app/Canvas.h
+++ b/src/servers/app/Canvas.h
@@ -41,6 +41,7 @@ public:
 	virtual	void			PushState();
 	virtual	void			PopState();
 			DrawState*		CurrentState() const { return fDrawState; }
+			void			SetDrawState(DrawState* newState);
 
 			void			SetDrawingOrigin(BPoint origin);
 			BPoint			DrawingOrigin() const;