From 524c020956f0ff69fc25d83933e25638498c93fb Mon Sep 17 00:00:00 2001
From: Adi Oanca <adioanca@nowhere.fake>
Date: Wed, 15 Jun 2005 18:47:41 +0000
Subject: [PATCH] Bounds() takes into account previous pushed states

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13157 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/servers/app/Layer.cpp | 27 +++++++++++++++++++++++++--
 src/servers/app/Layer.h   |  1 +
 2 files changed, 26 insertions(+), 2 deletions(-)

diff --git a/src/servers/app/Layer.cpp b/src/servers/app/Layer.cpp
index 167d19933b..f4f3da0079 100644
--- a/src/servers/app/Layer.cpp
+++ b/src/servers/app/Layer.cpp
@@ -1019,8 +1019,31 @@ Layer::ResizeBy(float x, float y)
 BPoint
 Layer::BoundsOrigin() const
 {
-	// TODO: add origin from previous states
-	return fLayerData->Origin();
+	BPoint origin(0,0);
+	float scale = Scale();
+
+	LayerData *ld = fLayerData;
+	do {
+		origin += ld->Origin();
+	} while ((ld = ld->prevState));
+
+	origin.x *= scale;
+	origin.y *= scale;
+
+	return origin;
+}
+
+float
+Layer::Scale() const
+{
+	float scale = 1.0f;
+
+	LayerData *ld = fLayerData;
+	do {
+		scale += ld->Scale();
+	} while ((ld = ld->prevState));
+
+	return scale;
 }
 
 //! Converts the passed point to parent coordinates
diff --git a/src/servers/app/Layer.h b/src/servers/app/Layer.h
index 13d49286ad..e3e1a28bb1 100644
--- a/src/servers/app/Layer.h
+++ b/src/servers/app/Layer.h
@@ -131,6 +131,7 @@ class Layer {
 	virtual	void				ResizeBy(float x, float y);
 
 			BPoint				BoundsOrigin() const; // BoundsFrameDiff()?
+			float				Scale() const;
 
 			BPoint				ConvertToParent(BPoint pt);
 			BRect				ConvertToParent(BRect rect);