4 files changed, 25 insertions, 29 deletions

diff --git a/graphics/macgui/macwindow.cpp b/graphics/macgui/macwindow.cpp
index 3c9372a745..96139b2508 100644
--- a/graphics/macgui/macwindow.cpp
+++ b/graphics/macgui/macwindow.cpp
@@ -78,9 +78,6 @@ MacWindow::MacWindow(int id, bool scrollable, bool resizable, bool editable, Mac
 	_draggedX = _draggedY = 0;
 
 	_type = kWindowWindow;
-
-	_borders = nullptr;
-
 }
 
 MacWindow::~MacWindow() {
@@ -186,7 +183,7 @@ void MacWindow::drawBorder() {
 	ManagedSurface *g = &_borderSurface;
 	prepareBorderSurface(g);
 
-	if (!_macBorder.empty())
+	if (_macBorder.hasBorder(_active))
 		drawBorderFromSurface(g);
 	else
 		drawSimpleBorder(g);
@@ -203,12 +200,7 @@ void MacWindow::prepareBorderSurface(ManagedSurface *g) {
 }
 
 void MacWindow::drawBorderFromSurface(ManagedSurface *g) {
-
-	TransparentSurface srf;
-	srf.create(_borderSurface.w, _borderSurface.h, _borders->format);
-
 	_macBorder.blitBorderInto(_borderSurface, _active);
-	_borderSurface.transBlitFrom(srf, _borderSurface.format.ARGBToColor(0, 255, 255, 255));
 }
 
 void MacWindow::drawSimpleBorder(ManagedSurface *g) {
@@ -301,15 +293,13 @@ void MacWindow::setHighlight(WindowClick highlightedPart) {
 	_borderIsDirty = true;
  }
 
- void MacWindow::setBorder(TransparentSurface *source, bool active) {
-	 _borders = new TransparentSurface(*source);
+ void MacWindow::setBorder(TransparentSurface &border, bool active) {
 	 if (active)
-		 _macBorder.addActiveBorder(_borders);
-	 else	
-		_macBorder.addInactiveBorder(_borders);
+		 _macBorder.addActiveBorder(border);
+	 else
+		 _macBorder.addInactiveBorder(border);
  }
 
-
 void MacWindow::drawBox(ManagedSurface *g, int x, int y, int w, int h) {
 	Common::Rect r(x, y, x + w + 1, y + h + 1);
 
diff --git a/graphics/macgui/macwindow.h b/graphics/macgui/macwindow.h
index bffeaf7104..e9e2ffd34c 100644
--- a/graphics/macgui/macwindow.h
+++ b/graphics/macgui/macwindow.h
@@ -138,7 +138,7 @@ public:
 	bool processEvent(Common::Event &event);
 	bool hasAllFocus() { return _beingDragged || _beingResized; }
 
-	void setBorder(TransparentSurface *source, bool active);
+	void setBorder(TransparentSurface &border, bool active);
 
 private:
 	void drawBorder();
@@ -155,8 +155,6 @@ private:
 	ManagedSurface _borderSurface;
 	ManagedSurface _composeSurface;
 
-	TransparentSurface *_borders;
-
 	MacWindowBorder _macBorder;
 
 	bool _scrollable;
diff --git a/graphics/macgui/macwindowborder.cpp b/graphics/macgui/macwindowborder.cpp
index cbb2ef0571..761e1b6853 100644
--- a/graphics/macgui/macwindowborder.cpp
+++ b/graphics/macgui/macwindowborder.cpp
@@ -2,9 +2,9 @@
 
 namespace Graphics {
 
-MacWindowBorder::MacWindowBorder() {
+MacWindowBorder::MacWindowBorder() : _activeInitialized(false), _inactiveInitialized(false) {
 	_activeBorder = nullptr;
-	_inactiveBorder = nullptr;
+	_inactiveBorder = nullptr;	
 }
 
 
@@ -15,15 +15,20 @@ MacWindowBorder::~MacWindowBorder() {
 		delete _inactiveBorder;
 }
 
-bool MacWindowBorder::empty() { return !(_activeBorder || _inactiveBorder); }
+bool MacWindowBorder::hasBorder(bool active) { 
+	return active ? _activeInitialized : _inactiveInitialized; 
+}
 
-void MacWindowBorder::addActiveBorder(TransparentSurface *source) {
-	// Assumes NinePatchBitmap invariants hold
-	_activeBorder = new NinePatchBitmap(source, false);	
+void MacWindowBorder::addActiveBorder(TransparentSurface &source) {
+	assert(!_activeBorder);
+	_activeBorder = new NinePatchBitmap(&source, false);	
+	_activeInitialized = true;
 }
 
-void MacWindowBorder::addInactiveBorder(TransparentSurface *source) {
-	_inactiveBorder = new NinePatchBitmap(source, false);
+void MacWindowBorder::addInactiveBorder(TransparentSurface &source) {
+	assert(!_inactiveBorder);
+	_inactiveBorder = new NinePatchBitmap(&source, false);
+	_inactiveInitialized = true;
 }
 
 void MacWindowBorder::blitBorderInto(ManagedSurface &destination, bool active) {
diff --git a/graphics/macgui/macwindowborder.h b/graphics/macgui/macwindowborder.h
index 0c98e23156..1e46e1a017 100644
--- a/graphics/macgui/macwindowborder.h
+++ b/graphics/macgui/macwindowborder.h
@@ -62,9 +62,9 @@ public:
 	MacWindowBorder();
 	~MacWindowBorder();
 
-	bool empty();
-	void addActiveBorder(TransparentSurface *source);
-	void addInactiveBorder(TransparentSurface *source);
+	bool hasBorder(bool active);
+	void addActiveBorder(TransparentSurface &source);
+	void addInactiveBorder(TransparentSurface &source);
 	void blitBorderInto(ManagedSurface &destination, bool active);
 
 private:
@@ -72,6 +72,9 @@ private:
 	NinePatchBitmap *_activeBorder;
 	NinePatchBitmap *_inactiveBorder;
 
+	bool _activeInitialized;
+	bool _inactiveInitialized;
+
 };
 
 } // End of namespace Graphics