Font: Add clone constructor

src/font.cpp

@@ -154,6 +154,16 @@ struct FontPrivate
 		sdlFont = shState->fontPool().request(this->name.constData(),
 		                                     this->size);
 	}
+
+	FontPrivate(const FontPrivate &other)
+	    : name(other.name),
+	      size(other.size),
+	      bold(other.bold),
+	      italic(other.italic),
+	      color(&colorTmp),
+	      colorTmp(*other.color),
+	      sdlFont(other.sdlFont)
+	{}
 };
 
 QByteArray FontPrivate::defaultName   = "Arial";
@@ -177,6 +187,11 @@ Font::Font(const char *name,
 	p = new FontPrivate(name, size);
 }
 
+Font::Font(const Font &other)
+{
+	p = new FontPrivate(*other.p);
+}
+
 Font::~Font()
 {
 	delete p;

src/font.h

@@ -50,6 +50,8 @@ public:
 
 	Font(const char *name = 0,
 	     int size = 0);
+	/* Clone constructor */
+	Font(const Font &other);
 	~Font();
 
 	const char *getName() const;