-void swf_Render_Init(RENDERBUF*buf, int posx, int posy, int width, int height);
+void swf_Render_Init(RENDERBUF*buf, int posx, int posy, int width, int height, char antialize, int scale);
+void swf_Render_SetBackground(RENDERBUF*buf, RGBA*img, int width, int height);
+void swf_Render_SetBackgroundColor(RENDERBUF*buf, RGBA color);