New module to perform decimal floating point arithmetic for charts.

[pspp] / src / output / cairo-chart.h

diff --git a/src/output/cairo-chart.h b/src/output/cairo-chart.h
index 0864d7e0142e00b45c95b2cec86c5d9b74ddd95b..27000cb56fa4cd10fb7706d868fb5171d70fd914 100644 (file)
--- a/src/output/cairo-chart.h
+++ b/src/output/cairo-chart.h
@@ -74,7 +74,7 @@ void xrchart_geometry_init (cairo_t *, struct xrchart_geometry *,
                             double width, double length);
 void xrchart_geometry_free (cairo_t *, struct xrchart_geometry *);
 
-#define XRCHART_N_COLOURS 9
+#define XRCHART_N_COLOURS 27
 extern const struct xrchart_colour data_colour[];
 
 enum tick_orientation
@@ -118,12 +118,12 @@ void xrchart_write_title (cairo_t *, const struct xrchart_geometry *,
 
 /* Set the scale for the abscissa */
 void xrchart_write_xscale (cairo_t *, struct xrchart_geometry *,
-                           double min, double max, int ticks);
+                           double min, double max);
 
 
 /* Set the scale for the ordinate */
 void xrchart_write_yscale (cairo_t *, struct xrchart_geometry *,
-                           double smin, double smax, int ticks);
+                           double smin, double smax);
 
 void xrchart_write_xlabel (cairo_t *, const struct xrchart_geometry *,
                            const char *label) ;
@@ -173,6 +173,8 @@ void xrchart_draw_scree (const struct chart_item *, cairo_t *,
                          struct xrchart_geometry *);
 void xrchart_draw_spreadlevel (const struct chart_item *, cairo_t *,
                          struct xrchart_geometry *);
+void xrchart_draw_scatterplot (const struct chart_item *, cairo_t *,
+                         struct xrchart_geometry *);
 
 
 #endif /* output/cairo-chart.h */