charts: Use numeric colors instead of color names.

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

diff --git a/src/output/chart-provider.h b/src/output/chart-provider.h
index 4b36c55a145b6eed4c25d2a361e8574a519015c1..2ff4aafafddbdd6daf7039f1ec34e100debdcbc0 100644 (file)
--- a/src/output/chart-provider.h
+++ b/src/output/chart-provider.h
@@ -18,8 +18,16 @@
 #define OUTPUT_CHART_PROVIDER_H 1
 
 #include <stdbool.h>
+#include <stdint.h>
 #include <output/chart.h>
 
+struct chart_colour
+  {
+    uint8_t red;
+    uint8_t green;
+    uint8_t blue;
+  };
+
 struct chart_class
   {
     void (*draw) (const struct chart *, plPlotter *);
@@ -57,7 +65,7 @@ struct chart_geometry
     /* Default font size for the plot (if zero, then use plotter default) */
     int font_size;
 
-    char fill_colour[10];
+    struct chart_colour fill_colour;
 
     /* Stuff Particular to Cartesians (and Boxplots ) */
     double ordinate_scale;