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Diffstat (limited to 'deps/uber-graph/uber-line-graph.h')
| -rw-r--r-- | deps/uber-graph/uber-line-graph.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/deps/uber-graph/uber-line-graph.h b/deps/uber-graph/uber-line-graph.h new file mode 100644 index 00000000..22a01681 --- /dev/null +++ b/deps/uber-graph/uber-line-graph.h @@ -0,0 +1,100 @@ +/* uber-line-graph.h + * + * Copyright (C) 2010 Christian Hergert <chris@dronelabs.com> + * + * 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 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, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __UBER_LINE_GRAPH_H__ +#define __UBER_LINE_GRAPH_H__ + +#include <math.h> + +#include "uber-graph.h" +#include "uber-range.h" +#include "uber-label.h" + +G_BEGIN_DECLS + +#define UBER_TYPE_LINE_GRAPH (uber_line_graph_get_type()) +#define UBER_LINE_GRAPH(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), UBER_TYPE_LINE_GRAPH, UberLineGraph)) +#define UBER_LINE_GRAPH_CONST(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), UBER_TYPE_LINE_GRAPH, UberLineGraph const)) +#define UBER_LINE_GRAPH_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), UBER_TYPE_LINE_GRAPH, UberLineGraphClass)) +#define UBER_IS_LINE_GRAPH(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), UBER_TYPE_LINE_GRAPH)) +#define UBER_IS_LINE_GRAPH_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), UBER_TYPE_LINE_GRAPH)) +#define UBER_LINE_GRAPH_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), UBER_TYPE_LINE_GRAPH, UberLineGraphClass)) + +#define UBER_LINE_GRAPH_NO_VALUE (NAN) + +typedef struct _UberLineGraph UberLineGraph; +typedef struct _UberLineGraphClass UberLineGraphClass; +typedef struct _UberLineGraphPrivate UberLineGraphPrivate; + +/** + * UberLineGraphFunc: + * @graph: A #UberLineGraph. + * @user_data: User data supplied to uber_line_graph_set_data_func(). + * + * Callback prototype for retrieving the next data point in the graph. + * + * Returns: a value if successful, otherwise %UBER_LINE_GRAPH_NO_VALUE + * Side effects: Implementation dependent. + */ +typedef gdouble (*UberLineGraphFunc) (UberLineGraph *graph, + guint line, + gpointer user_data); + +struct _UberLineGraph +{ + UberGraph parent; + + /*< private >*/ + UberLineGraphPrivate *priv; +}; + +struct _UberLineGraphClass +{ + UberGraphClass parent_class; +}; + +gint uber_line_graph_add_line (UberLineGraph *graph, + const GdkRGBA *color, + UberLabel *label); +cairo_antialias_t uber_line_graph_get_antialias (UberLineGraph *graph); +GType uber_line_graph_get_type (void) G_GNUC_CONST; +GtkWidget* uber_line_graph_new (void); +void uber_line_graph_set_antialias (UberLineGraph *graph, + cairo_antialias_t antialias); +void uber_line_graph_set_data_func (UberLineGraph *graph, + UberLineGraphFunc func, + gpointer user_data, + GDestroyNotify notify); +gboolean uber_line_graph_get_autoscale (UberLineGraph *graph); +void uber_line_graph_set_autoscale (UberLineGraph *graph, + gboolean autoscale); +const UberRange* uber_line_graph_get_range (UberLineGraph *graph); +void uber_line_graph_set_range (UberLineGraph *graph, + const UberRange *range); +void uber_line_graph_set_line_dash (UberLineGraph *graph, + guint line, + const gdouble *dashes, + gint num_dashes, + gdouble offset); +void uber_line_graph_set_line_width (UberLineGraph *graph, + gint line, + gdouble width); +void uber_line_graph_clear (UberLineGraph *graph); +G_END_DECLS + +#endif /* __UBER_LINE_GRAPH_H__ */ |