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/base/gfx/osystem/base_surface_osystem.cpp | 2 +-
 engines/wintermute/base/gfx/osystem/base_surface_osystem.h   | 2 +-
 engines/wintermute/base/gfx/osystem/render_ticket.cpp        | 4 ++--
 3 files changed, 4 insertions(+), 4 deletions(-)

(limited to 'engines/wintermute/base/gfx/osystem')

diff --git a/engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp b/engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp
index d218c916e4..8ec60bfd68 100644
--- a/engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp
+++ b/engines/wintermute/base/gfx/osystem/base_surface_osystem.cpp
@@ -358,7 +358,7 @@ bool BaseSurfaceOSystem::displayZoom(int x, int y, Rect32 rect, float zoomX, flo
 
 
 //////////////////////////////////////////////////////////////////////////
-bool BaseSurfaceOSystem::displayTransform(int x, int y, Rect32 rect, Rect32 newRect, TransformStruct transform) {
+bool BaseSurfaceOSystem::displayTransform(int x, int y, Rect32 rect, Rect32 newRect, const TransformStruct &transform) {
 	_rotation = (uint32)transform._angle;
 	if (transform._angle < 0.0f) {
 		warning("Negative rotation: %f %d", transform._angle, _rotation);
diff --git a/engines/wintermute/base/gfx/osystem/base_surface_osystem.h b/engines/wintermute/base/gfx/osystem/base_surface_osystem.h
index 7eef416d0e..2e2da3c289 100644
--- a/engines/wintermute/base/gfx/osystem/base_surface_osystem.h
+++ b/engines/wintermute/base/gfx/osystem/base_surface_osystem.h
@@ -56,7 +56,7 @@ public:
 	bool displayTransOffset(int x, int y, Rect32 rect, uint32 alpha = DEFAULT_RGBAMOD, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false, int offsetX = 0, int offsetY = 0) override;
 	bool display(int x, int y, Rect32 rect, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) override;
 	bool displayZoom(int x, int y, Rect32 rect, float zoomX, float zoomY, uint32 alpha = DEFAULT_RGBAMOD, bool transparent = false, TSpriteBlendMode blendMode = BLEND_NORMAL, bool mirrorX = false, bool mirrorY = false) override;
-	bool displayTransform(int x, int y, Rect32 rect, Rect32 newRect, TransformStruct transform) override;
+	bool displayTransform(int x, int y, Rect32 rect, Rect32 newRect, const TransformStruct &transform) override;
 	bool repeatLastDisplayOp(int offsetX, int offsetY, int numTimesX, int numTimesY) override;
 	virtual bool putSurface(const Graphics::Surface &surface, bool hasAlpha = false) override;
 	/*  static unsigned DLL_CALLCONV ReadProc(void *buffer, unsigned size, unsigned count, fi_handle handle);
diff --git a/engines/wintermute/base/gfx/osystem/render_ticket.cpp b/engines/wintermute/base/gfx/osystem/render_ticket.cpp
index b11e0722af..d510d97dd1 100644
--- a/engines/wintermute/base/gfx/osystem/render_ticket.cpp
+++ b/engines/wintermute/base/gfx/osystem/render_ticket.cpp
@@ -51,7 +51,7 @@ RenderTicket::RenderTicket(BaseSurfaceOSystem *owner, const Graphics::Surface *s
 			memcpy(_surface->getBasePtr(0, i), surf->getBasePtr(srcRect->left, srcRect->top + i), srcRect->width() * _surface->format.bytesPerPixel);
 		}
 		// Then scale it if necessary
-		if (_transform._angle != 0) {
+		if (_transform._angle != DEFAULT_ANGLE) {
 			TransparentSurface src(*_surface, false);
 			Graphics::Surface *temp = src.rotoscale(transform);
 			_surface->free();
@@ -67,7 +67,7 @@ RenderTicket::RenderTicket(BaseSurfaceOSystem *owner, const Graphics::Surface *s
 	} else {
 		_surface = nullptr;
 		
-		if (transform._angle != 0) { // Make sure comparison-tickets get the correct width
+		if (transform._angle != DEFAULT_ANGLE) { // Make sure comparison-tickets get the correct width
 			Rect32 dstRect;
 			Point32 newHotspot;
 			dstRect = TransformTools::newRect(_srcRect, transform,  &newHotspot);
-- 
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