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/*
* gtk-valuegraph.c
*
* A widget to display a graph of a sequence of values
*
* (c) 2006-2007 Thomas White <taw27@cam.ac.uk>
*
* synth2d - two-dimensional Fourier synthesis
*
*/
#ifndef GTKVALUEGRAPH_H
#define GTKVALUEGRAPH_H
#include <gtk/gtk.h>
typedef struct {
GtkDrawingArea parent; /* Parent widget */
double *data; /* Data to be graphed */
unsigned int n; /* Number of data points */
double xmax; /* Maximum value on x (index) axis */
double ymax; /* Maximum value on y (data) axis */
double ymin;
} GtkValueGraph;
typedef struct {
GtkDrawingAreaClass parent_class;
void (* changed) (GtkValueGraph *gtkvaluegraph);
} GtkValueGraphClass;
extern guint gtk_value_graph_get_type(void);
extern GtkWidget *gtk_value_graph_new(void);
extern void gtk_value_graph_set_data(GtkValueGraph *vg, double *data, unsigned int n);
#define GTK_VALUE_GRAPH(obj) GTK_CHECK_CAST(obj, gtk_value_graph_get_type(), GtkValueGraph)
#define GTK_VALUE_GRAPH_CLASS(class) GTK_CHECK_CLASS_CAST(class, gtk_value_graph_get_type(), GtkValueGraphClass)
#define GTK_IS_VALUE_GRAPH(obj) GTK_CHECK_TYPE(obj, gtk_value_graph_get_type())
#endif /* GTKVALUEGRAPH_H */
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