Merge commit 'origin/stable'

[pspp-builds.git] / src / output / charts / plot-chart.h

diff --git a/src/output/charts/plot-chart.h b/src/output/charts/plot-chart.h
index 4a1dc10538d2567b630cca096886c8ca8e5011cd..cfbaa4df8ddc396ee4d2338dee87acfd349bf0a5 100644 (file)
--- a/src/output/charts/plot-chart.h
+++ b/src/output/charts/plot-chart.h
@@ -1,5 +1,5 @@
 /* PSPP - a program for statistical analysis.
-   Copyright (C) 2004 Free Software Foundation, Inc.
+   Copyright (C) 2004, 2009 Free Software Foundation, Inc.
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -26,6 +26,7 @@
 #include <math/chart-geometry.h>
 #include <output/chart.h>
 
+#include <libpspp/compiler.h>
 #include <libpspp/str.h>
 #include <output/manager.h>
 #include <output/output.h>
@@ -51,11 +52,13 @@ enum tick_orientation
 void draw_tick(struct chart *chart,
          enum tick_orientation orientation,
          double position,
-              const char *label, ...);
+              const char *label, ...)
+  PRINTF_FORMAT (4, 5);
 
 
 /* Write the title on a chart*/
-void   chart_write_title(struct chart *chart, const char *title, ...);
+void   chart_write_title(struct chart *chart, const char *title, ...)
+  PRINTF_FORMAT (2, 3);
 
 
 /* Set the scale for the abscissa */
@@ -70,4 +73,6 @@ void chart_write_xlabel(struct chart *ch, const char *label) ;
 /* Write the ordinate label */
 void  chart_write_ylabel(struct chart *ch, const char *label);
 
+void chart_write_legend (struct chart *ch);
+
 #endif