diff --git a/src/blitter/base.hpp b/src/blitter/base.hpp
--- a/src/blitter/base.hpp
+++ b/src/blitter/base.hpp
@@ -97,6 +97,19 @@ public:
 	virtual void DrawRect(void *video, int width, int height, uint8 color) = 0;
 
 	/**
+	 * Draw a line with a given color.
+	 * @param video The destination pointer (video-buffer).
+	 * @param x The x coordinate from where the line starts.
+	 * @param y The y coordinate from where the line starts.
+	 * @param x2 The x coordinate to where the line goes.
+	 * @param y2 The y coordinate to where the lines goes.
+	 * @param screen_width The width of the screen you are drawing in (to avoid buffer-overflows).
+	 * @param screen_height The height of the screen you are drawing in (to avoid buffer-overflows).
+	 * @param color A 8bpp mapping color.
+	 */
+	virtual void DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 color) = 0;
+
+	/**
 	 * Copy from a buffer to the screen.
 	 * @param video The destionation pointer (video-buffer).
 	 * @param src The buffer from which the data will be read.