expose mng to lua as a gcn::Image for easy use in widgets

src/include/video.h

@@ -142,7 +142,7 @@ public:
 #ifdef USE_MNG
 #include <libmng.h>
 
-class Mng
+class Mng : public gcn::Image
 {
 public:
 	Mng();
@@ -151,6 +151,11 @@ public:
 	void Reset();
 	void Draw(int x, int y);
 
+	//guichan
+	virtual void *_getData() const;
+	virtual int getWidth() const { return surface->h; }
+	virtual int getHeight() const { return surface->w; }
+
 	std::string name;
 	FILE *fd;
 	mng_handle handle;

src/tolua/ui.pkg

@@ -330,6 +330,9 @@ class ScrollArea : public BasicContainer
 class ImageWidget : public Widget
 {
 	ImageWidget(CGraphic *image);
+#ifdef USE_MNG
+        ImageWidget(Mng *image);
+#endif
 };
 
 class Button : public Widget

src/tolua/video.pkg

@@ -50,3 +50,14 @@ class CColor {
 void SetColorCycleAll(bool value);
 void ClearAllColorCyclingRange();
 void AddColorCyclingRange(unsigned int startColorIndex, unsigned int endColorIndex);
+
+#ifdef USE_MNG
+class Mng
+{
+public:
+        Mng();
+        int Load(const std::string name);
+        void Draw(int x, int y);
+        void Reset();
+}
+#endif

src/video/mng.cpp

@@ -262,6 +262,14 @@ void Mng::Reset()
 	mng_display(handle);
 }
 
+void* Mng::_getData() const
+{
+	if (ticks <= GetTicks()) {
+		mng_display_resume(handle);
+	}
+	return surface;
+}
+
 #endif // USE_MNG
 
 //@}