X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=inline;f=src%2Foutput%2Fcharts%2Fpiechart.h;h=b59a7296d14e792031a595a1c024808c25a13451;hb=0d0bd0c9669427f7cd43c3d34886bf22a146c451;hp=d6e9941cab02b27af4415d9092bfe4ea386bcf2e;hpb=164d1274fcb70c54897f2a03fc7c27152ed4821a;p=pspp
diff --git a/src/output/charts/piechart.h b/src/output/charts/piechart.h
index d6e9941cab..b59a7296d1 100644
--- a/src/output/charts/piechart.h
+++ b/src/output/charts/piechart.h
@@ -1,33 +1,99 @@
-/* PSPP - draws pie charts of sample statistics
+/* PSPP - a program for statistical analysis.
+ Copyright (C) 2004, 2009, 2011 Free Software Foundation, Inc.
-Copyright (C) 2004 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
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
-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 the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-This program is distributed in the hope that it will be useful, but
-WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see . */
#ifndef PIECHART_H
#define PIECHART_H
-struct slice {
- const char *label;
- double magnetude;
-};
+#include "libpspp/str.h"
+#include "output/chart-item.h"
+
+struct piechart
+ {
+ struct chart_item chart_item;
+ struct slice *slices;
+ int n_slices;
+ };
+
+struct slice
+ {
+ struct string label;
+ double magnitude;
+ };
+
+struct chart_item *piechart_create (const char *title,
+ const struct slice *, int n_slices);
+
+/* This boilerplate for piechart, a subclass of chart_item, was
+ autogenerated by mk-class-boilerplate. */
+
+#include
+#include "libpspp/cast.h"
+
+extern const struct chart_item_class piechart_class;
+
+/* Returns true if SUPER is a piechart, otherwise false. */
+static inline bool
+is_piechart (const struct chart_item *super)
+{
+ return super->class == &piechart_class;
+}
+
+/* Returns SUPER converted to piechart. SUPER must be a piechart, as
+ reported by is_piechart. */
+static inline struct piechart *
+to_piechart (const struct chart_item *super)
+{
+ assert (is_piechart (super));
+ return UP_CAST (super, struct piechart, chart_item);
+}
+
+/* Returns INSTANCE converted to chart_item. */
+static inline struct chart_item *
+piechart_super (const struct piechart *instance)
+{
+ return CONST_CAST (struct chart_item *, &instance->chart_item);
+}
+
+/* Increments INSTANCE's reference count and returns INSTANCE. */
+static inline struct piechart *
+piechart_ref (const struct piechart *instance)
+{
+ return to_piechart (chart_item_ref (&instance->chart_item));
+}
-/* Draw a piechart */
-void piechart_plot(const char *title,
- const struct slice *slices, int n_slices);
+/* Decrements INSTANCE's reference count, then destroys INSTANCE if
+ the reference count is now zero. */
+static inline void
+piechart_unref (struct piechart *instance)
+{
+ chart_item_unref (&instance->chart_item);
+}
-#endif
+/* Returns true if INSTANCE's reference count is greater than 1,
+ false otherwise. */
+static inline bool
+piechart_is_shared (const struct piechart *instance)
+{
+ return chart_item_is_shared (&instance->chart_item);
+}
+static inline void
+piechart_submit (struct piechart *instance)
+{
+ chart_item_submit (&instance->chart_item);
+}
+
+#endif /* output/charts/piechart.h */