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94 lines
3.3 KiB
94 lines
3.3 KiB
/* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/*
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* gog-chart.h :
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*
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* Copyright (C) 2003-2004 Jody Goldberg (jody@gnome.org)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2 of the GNU General Public
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* License as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
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* USA
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*/
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#ifndef GOG_CHART_H
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#define GOG_CHART_H
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#include <goffice/graph/goffice-graph.h>
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#include <goffice/graph/gog-axis.h>
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#include <glib-object.h>
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G_BEGIN_DECLS
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GogAxisSet gog_axis_set_from_str (char const *str);
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typedef struct {
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double cx, cy;
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double rx, ry;
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double th0, th1;
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} GogChartMapPolarData;
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typedef struct _GogChartMap GogChartMap;
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struct _GogChartMap {
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GogChart *chart;
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GogViewAllocation area;
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gpointer data;
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GogAxisMap *axis_map[3];
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gboolean is_valid;
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void (*map_2D_to_view) (GogChartMap *map, double x, double y, double *u, double *v);
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};
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GogChartMap *gog_chart_map_new (GogChart *chart, GogViewAllocation const *area,
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GogAxis *axis0, GogAxis *axis1, GogAxis *axis2,
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gboolean fill_area);
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void gog_chart_map_2D_to_view (GogChartMap *map, double x, double y, double *u, double *v);
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GogAxisMap *gog_chart_map_get_axis_map (GogChartMap *map, unsigned i);
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gboolean gog_chart_map_is_valid (GogChartMap *map);
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void gog_chart_map_free (GogChartMap *map);
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GogChartMapPolarData *gog_chart_map_get_polar_parms (GogChartMap *map);
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#define GOG_CHART_TYPE (gog_chart_get_type ())
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#define GOG_CHART(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), GOG_CHART_TYPE, GogChart))
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#define IS_GOG_CHART(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), GOG_CHART_TYPE))
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GType gog_chart_get_type (void);
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gboolean gog_chart_get_position (GogChart const *chart, unsigned *x, unsigned *y,
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unsigned *cols, unsigned *rows);
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void gog_chart_set_position (GogChart *chart, unsigned x, unsigned y,
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unsigned cols, unsigned rows);
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gboolean gog_chart_get_plot_area (GogChart *chart, GogViewAllocation *plot_area);
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void gog_chart_set_plot_area (GogChart *chart, GogViewAllocation const *plot_area);
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void gog_chart_request_cardinality_update (GogChart *chart);
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void gog_chart_get_cardinality (GogChart *chart,
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unsigned *full, unsigned *visible);
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void gog_chart_foreach_elem (GogChart *chart, gboolean only_visible,
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GogEnumFunc handler, gpointer data);
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GSList *gog_chart_get_plots (GogChart const *chart);
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GogAxisSet gog_chart_get_axis_set (GogChart const *chart);
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gboolean gog_chart_axis_set_is_valid (GogChart const *chart, GogAxisSet type);
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gboolean gog_chart_axis_set_assign (GogChart *chart, GogAxisSet type);
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GSList *gog_chart_get_axes (GogChart const *chart, GogAxisType type);
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GogGrid *gog_chart_get_grid (GogChart const *chart);
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/* View utils */
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GogViewAllocation const *gog_chart_view_get_plot_area (GogView const *view);
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G_END_DECLS
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#endif /* GOG_CHART_H */
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