From 6f03fbac843410f457115bd075a6926ed3924ce0 Mon Sep 17 00:00:00 2001
From: Tobia Tesan
Date: Wed, 10 Jul 2013 12:46:32 +0200
Subject: WINTERMUTE: Pass structs by const reference

---
 engines/wintermute/graphics/transform_tools.cpp | 4 ++--
 engines/wintermute/graphics/transform_tools.h   | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

(limited to 'engines/wintermute/graphics')

diff --git a/engines/wintermute/graphics/transform_tools.cpp b/engines/wintermute/graphics/transform_tools.cpp
index 9e736366c3..01e8b486ce 100644
--- a/engines/wintermute/graphics/transform_tools.cpp
+++ b/engines/wintermute/graphics/transform_tools.cpp
@@ -26,7 +26,7 @@
 
 namespace Wintermute {
 	
-	FloatPoint TransformTools::transformPoint(FloatPoint point, float rotate, Point32 zoom, bool mirrorX, bool mirrorY) {
+	FloatPoint TransformTools::transformPoint(const FloatPoint &point, const float rotate, const Point32 &zoom, const bool mirrorX, const bool mirrorY) {
 		float rotateRad = rotate * M_PI / 180;
 		FloatPoint newPoint;
 		newPoint.x = (point.x * cos(rotateRad) - point.y * sin(rotateRad))*zoom.x/DEFAULT_ZOOM_X;
@@ -40,7 +40,7 @@ namespace Wintermute {
 		return newPoint;
 	}
 
-	Rect32 TransformTools::newRect (Rect32 oldRect, const TransformStruct &transform, Point32 *newHotspot) {
+	Rect32 TransformTools::newRect (const Rect32 &oldRect, const TransformStruct &transform, Point32 *newHotspot) {
 
 		Point32 nw(oldRect.left, oldRect.top);
 		Point32 ne(oldRect.right, oldRect.top);
diff --git a/engines/wintermute/graphics/transform_tools.h b/engines/wintermute/graphics/transform_tools.h
index ee4d16acb0..a9eabffe26 100644
--- a/engines/wintermute/graphics/transform_tools.h
+++ b/engines/wintermute/graphics/transform_tools.h
@@ -33,7 +33,7 @@ public:
 	/**
 	 * Basic transform (scale + rotate) for a single point
 	 */	
-	static FloatPoint transformPoint(FloatPoint point, float rotate, Point32 zoom, bool mirrorX = false, bool mirrorY = false);
+	static FloatPoint transformPoint(const FloatPoint &point, const float rotate, const Point32 &zoom, const bool mirrorX = false, const bool mirrorY = false);
 
 	/**
 	 * Takes a rectangle, a transform and a pointer to a point, "newHotspot".
@@ -41,7 +41,7 @@ public:
 	 * and, as a side-effect, "newHotspot" will tell you where the hotspot will
 	 * have ended up in the new rect, for centering.
 	 */
-	static Rect32 newRect (Rect32 oldRect, const TransformStruct &transform, Point32 *newHotspot);	
+	static Rect32 newRect (const Rect32 &oldRect, const TransformStruct &transform, Point32 *newHotspot);	
 };
 } // End of namespace Wintermute
 #endif
-- 
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