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gnucash/lib/goffice-0.0.4/goffice/graph/gog-chart.h

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/* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* gog-chart.h :
*
* Copyright (C) 2003-2004 Jody Goldberg (jody@gnome.org)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* 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 St, Fifth Floor, Boston, MA 02110-1301
* USA
*/
#ifndef GOG_CHART_H
#define GOG_CHART_H
#include <goffice/graph/goffice-graph.h>
#include <goffice/graph/gog-axis.h>
#include <glib-object.h>
G_BEGIN_DECLS
GogAxisSet gog_axis_set_from_str (char const *str);
typedef struct {
double cx, cy;
double rx, ry;
double th0, th1;
} GogChartMapPolarData;
typedef struct _GogChartMap GogChartMap;
struct _GogChartMap {
GogChart *chart;
GogViewAllocation area;
gpointer data;
GogAxisMap *axis_map[3];
gboolean is_valid;
void (*map_2D_to_view) (GogChartMap *map, double x, double y, double *u, double *v);
};
GogChartMap *gog_chart_map_new (GogChart *chart, GogViewAllocation const *area,
GogAxis *axis0, GogAxis *axis1, GogAxis *axis2,
gboolean fill_area);
void gog_chart_map_2D_to_view (GogChartMap *map, double x, double y, double *u, double *v);
GogAxisMap *gog_chart_map_get_axis_map (GogChartMap *map, unsigned i);
gboolean gog_chart_map_is_valid (GogChartMap *map);
void gog_chart_map_free (GogChartMap *map);
GogChartMapPolarData *gog_chart_map_get_polar_parms (GogChartMap *map);
#define GOG_CHART_TYPE (gog_chart_get_type ())
#define GOG_CHART(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GOG_CHART_TYPE, GogChart))
#define IS_GOG_CHART(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GOG_CHART_TYPE))
GType gog_chart_get_type (void);
gboolean gog_chart_get_position (GogChart const *chart, unsigned *x, unsigned *y,
unsigned *cols, unsigned *rows);
void gog_chart_set_position (GogChart *chart, unsigned x, unsigned y,
unsigned cols, unsigned rows);
gboolean gog_chart_get_plot_area (GogChart *chart, GogViewAllocation *plot_area);
void gog_chart_set_plot_area (GogChart *chart, GogViewAllocation const *plot_area);
void gog_chart_request_cardinality_update (GogChart *chart);
void gog_chart_get_cardinality (GogChart *chart,
unsigned *full, unsigned *visible);
void gog_chart_foreach_elem (GogChart *chart, gboolean only_visible,
GogEnumFunc handler, gpointer data);
GSList *gog_chart_get_plots (GogChart const *chart);
GogAxisSet gog_chart_get_axis_set (GogChart const *chart);
gboolean gog_chart_axis_set_is_valid (GogChart const *chart, GogAxisSet type);
gboolean gog_chart_axis_set_assign (GogChart *chart, GogAxisSet type);
GSList *gog_chart_get_axes (GogChart const *chart, GogAxisType type);
GogGrid *gog_chart_get_grid (GogChart const *chart);
/* View utils */
GogViewAllocation const *gog_chart_view_get_plot_area (GogView const *view);
G_END_DECLS
#endif /* GOG_CHART_H */