gui: Speed up rendering of large tables that are only partly visible.

[pspp] / src / output / cairo.h

diff --git a/src/output/cairo.h b/src/output/cairo.h
index 77889d11aa9158b055d79db98bf285f8e847b91f..fd9c7b920472429412880303a32b0de9afc7005d 100644 (file)
--- a/src/output/cairo.h
+++ b/src/output/cairo.h
@@ -38,7 +38,8 @@ struct xr_rendering *xr_rendering_create (struct xr_driver *,
                                           const struct output_item *,
                                           cairo_t *);
 void xr_rendering_measure (struct xr_rendering *, int *w, int *h);
-void xr_rendering_draw (struct xr_rendering *, cairo_t *);
+void xr_rendering_draw (struct xr_rendering *, cairo_t *,
+                        int x, int y, int w, int h);
 
 /* Functions for rendering a series of output items to a series of Cairo
    contexts, with pagination, possibly including headers.