Added setters for Widget properties

Widgets/WidgetImage.cpp

@@ -22,6 +22,43 @@ m_bg_color(bg_color)
 	}
 }
 
+void WidgetImage::set_filename(const string& filename)
+{
+	if (m_image_surface != nullptr)
+	{
+		SDL_FreeSurface(m_image_surface);
+		m_image_surface = nullptr;
+	}
+
+	m_filename = filename;
+	m_image_surface = IMG_Load(m_filename.c_str());
+	if (nullptr == m_image_surface)
+	{
+		// TODO: Print errors
+	}
+}
+
+void WidgetImage::set_resize(ImageResize type)
+{
+	m_resize_type = type;
+}
+
+void WidgetImage::set_halign(HorizontalAlign halign)
+{
+	m_halign = halign;
+}
+
+void WidgetImage::set_valign(VerticalAlign valign)
+{
+	m_valign = valign;
+}
+
+void WidgetImage::set_bg_color(SDL_Color bg_color)
+{
+	m_bg_color = bg_color;
+}
+
+
 void WidgetImage::draw()
 {
 	if (nullptr == m_surface)