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/**************************************************************
cmpack_chart_data.h (C-Munipack project)
Object which holds data for a chart (derived from GtkObject)
Copyright (C) 2011 David Motl, dmotl@volny.cz
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.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
$Id: cmpack_chart_data.h,v 1.2 2016/04/24 12:24:07 dmotl Exp $
**************************************************************/
#ifndef CMPACK_CHART_DATA_H
#define CMPACK_CHART_DATA_H
#include <stdint.h>
#include <gtk/gtk.h>
#include "cmpack_widgdefs.h"
#include "cmpack_image_data.h"
G_BEGIN_DECLS
typedef struct {
gdouble x, y; // Position of center in pixels
gdouble d; // Circle diameter
gchar *tag; // Object's tag
CmpackColor color; // Color of the circle and tag
gboolean hidden : 1; // Display this item
gboolean outline : 1; // Do not fill the circle
gboolean disabled : 1; // Cannot be selected or activated
gboolean topmost : 1; // Displayed on top of other items
intptr_t param; // User data
} CmpackChartItem;
typedef struct {
GObject parent;
/* Private data */
gint width, height; /* Dimensions in pixels */
gint count, capacity; /* Number of objects, allocated space */
CmpackChartItem **items; /* List of objects */
} CmpackChartData;
typedef struct {
GObjectClass parent_class;
/* Signals */
void (*object_inserted)(CmpackChartData *model, gint row);
void (*object_updated)(CmpackChartData *model, gint row);
void (*object_deleted)(CmpackChartData *model, gint row);
void (*dim_changed)(CmpackChartData *model);
void (*data_cleared)(CmpackChartData *model);
} CmpackChartDataClass;
#define CMPACK_TYPE_CHART_DATA (cmpack_chart_data_get_type ())
#define CMPACK_CHART_DATA(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CMPACK_TYPE_CHART_DATA, CmpackChartData))
#define CMPACK_CHART_DATA_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CMPACK_TYPE_CHART_DATA, CmpackChartDataClass))
#define CMPACK_IS_CHART_DATA(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CMPACK_TYPE_CHART_DATA))
#define CMPACK_IS_CHART_DATA_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CMPACK_TYPE_CHART_DATA))
#define CMPACK_CHART_DATA_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CMPACK_TYPE_CHART_DATA, CmpackChartDataClass))
GType cmpack_chart_data_get_type(void) G_GNUC_CONST;
/* Create new chart data */
CmpackChartData *cmpack_chart_data_new(void);
/* Create new chart data with allocated capacity */
CmpackChartData *cmpack_chart_data_new_with_alloc(gint capacity);
/* Set allocated space for objects */
void cmpack_chart_data_alloc(CmpackChartData *data, gint capacity);
/* Set allocated space for objects */
void cmpack_chart_data_set_dimensions(CmpackChartData *data, gint width, gint height);
/* Get chart width in pixels */
gint cmpack_chart_data_width(CmpackChartData *data);
/* Get chart height in pixels */
gint cmpack_chart_data_height(CmpackChartData *data);
/* Get number of objects */
gint cmpack_chart_data_count(CmpackChartData *data);
/* Clear all data, set dimensions to zero */
void cmpack_chart_data_clear(CmpackChartData *data);
/* Add object to the list */
gint cmpack_chart_data_add(CmpackChartData *data, const CmpackChartItem *item, gsize item_size);
/* Find object by user data */
gint cmpack_chart_data_find_item(CmpackChartData *data, intptr_t param);
/* Change object's visibility */
void cmpack_chart_data_show_item(CmpackChartData *data, gint row, gboolean visible);
/* Change object's position */
void cmpack_chart_data_set_center(CmpackChartData *data, gint row, gdouble center_x, gdouble center_y);
/* Change object's size */
void cmpack_chart_data_set_diameter(CmpackChartData *data, gint row, gdouble diameter);
/* Change object's color */
void cmpack_chart_data_set_color(CmpackChartData *data, gint row, CmpackColor color);
/* Change object's tag */
void cmpack_chart_data_set_tag(CmpackChartData *data, gint row, const char *tag);
/* Change object's user data */
void cmpack_chart_data_set_param(CmpackChartData *data, gint row, intptr_t param);
/* Change object's sensitivity */
void cmpack_chart_data_set_sensitivity(CmpackChartData *data, gint row, gboolean sensitive);
/* Change object's sensitivity */
void cmpack_chart_data_set_outline(CmpackChartData *data, gint row, gboolean outline);
/* Change object's priority */
void cmpack_chart_data_set_topmost(CmpackChartData *data, gint row, gboolean topmost);
/* Delete object */
void cmpack_chart_data_delete(CmpackChartData *data, gint row);
/* Get object's identifier */
intptr_t cmpack_chart_data_get_param(CmpackChartData *data, gint row);
/* Get object's position */
gboolean cmpack_chart_data_get_center(CmpackChartData *data, gint row, gdouble *x, double *y);
/* Get object's tag */
const gchar *cmpack_chart_data_get_tag(CmpackChartData *data, gint row);
/* Get pointer to object */
CmpackChartItem *cmpack_chart_data_get_item(CmpackChartData *data, gint row);
/* Clear all tags */
void cmpack_chart_data_clear_tags(CmpackChartData *data);
/* Export chart to a file */
gboolean cmpack_chart_data_write_to_file(CmpackChartData *data, CmpackImageData *image,
const gchar *filepath, const gchar *format, gint width, gint height, gboolean negative,
CmpackOrientation orientation, gint jpeg_quality);
G_END_DECLS
#endif
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