Scaled blit, plus fix some level editor things

PortabilityLayer/PLImageWidget.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include "PLWidgets.h"
+#include "PLHandle.h"
+
+struct Picture;
+
+namespace PortabilityLayer
+{
+	class ImageWidget final : public WidgetSpec<ImageWidget>
+	{
+	public:
+		ImageWidget(const WidgetBasicState &state);
+		~ImageWidget();
+
+		bool Init(const WidgetBasicState &state) override;
+		void DrawControl(DrawSurface *surface) override;
+
+	private:
+		THandle<Picture> m_pict;
+	};
+}