WINTERMUTE: Constify some getters in TransparentSurface, UIObject and UIWindow

2 files changed, 2 insertions, 2 deletions

diff --git a/engines/wintermute/graphics/transparent_surface.cpp b/engines/wintermute/graphics/transparent_surface.cpp
index 200cffb237..ca6f29791a 100644
--- a/engines/wintermute/graphics/transparent_surface.cpp
+++ b/engines/wintermute/graphics/transparent_surface.cpp
@@ -612,7 +612,7 @@ void TransparentSurface::applyColorKey(uint8 rKey, uint8 gKey, uint8 bKey, bool
 	}
 }
 
-TransparentSurface::AlphaType TransparentSurface::getAlphaMode() {
+TransparentSurface::AlphaType TransparentSurface::getAlphaMode() const {
 	return _alphaMode;
 }
 
diff --git a/engines/wintermute/graphics/transparent_surface.h b/engines/wintermute/graphics/transparent_surface.h
index fe5dc08fc0..5a9c16d73f 100644
--- a/engines/wintermute/graphics/transparent_surface.h
+++ b/engines/wintermute/graphics/transparent_surface.h
@@ -118,7 +118,7 @@ struct TransparentSurface : public Graphics::Surface {
 
 	TransparentSurface *scale(uint16 newWidth, uint16 newHeight) const;
 	TransparentSurface *rotoscale(const TransformStruct &transform) const;
-	AlphaType getAlphaMode();
+	AlphaType getAlphaMode() const;
 	void setAlphaMode(AlphaType);
 private:
 	AlphaType _alphaMode;