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/**************************************************************
cmpack_entity.h (C-Munipack project)
Auxilliary objects that are drawn on charts
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_entity.h,v 1.2 2016/05/01 16:15:04 dmotl Exp $
**************************************************************/
#ifndef CMPACK_ENTITY_H
#define CMPACK_ENTITY_H
#include <gtk/gtk.h>
#include "cmpack_widgdefs.h"
G_BEGIN_DECLS
/* Drawing context */
typedef struct _CmpackEntityDrawContext
{
GdkDrawable *drawable;
GdkGC *gc;
GdkRectangle canvas_rc, clip_rc;
const GdkColor *fg_color[CMPACK_N_COLORS], *bg_color;
gboolean reverse_x, reverse_y;
gdouble scale_x, scale_y;
gdouble offset_x, offset_y;
PangoLayout *layout;
} CmpackEntityDrawContext;
/* ------------------------------ ENTITY BASE CLASS --------------------------------------------- */
#define CMPACK_TYPE_ENTITY (cmpack_entity_get_type ())
#define CMPACK_ENTITY(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CMPACK_TYPE_ENTITY, CmpackEntity))
#define CMPACK_ENTITY_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CMPACK_TYPE_ENTITY, CmpackEntityClass))
#define CMPACK_IS_ENTITY(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CMPACK_TYPE_ENTITY))
#define CMPACK_IS_ENTITY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CMPACK_TYPE_ENTITY))
#define CMPACK_ENTITY_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CMPACK_TYPE_ENTITY, CmpackEntityClass))
typedef struct _CmpackEntity CmpackEntity;
typedef struct _CmpackEntityClass CmpackEntityClass;
/* Entity */
struct _CmpackEntity
{
GObject parent;
const GdkColor *custom_color;
};
/* Entity class */
struct _CmpackEntityClass
{
GObjectClass parent_class;
/* stuff */
void (*draw_entity) (CmpackEntity *self, CmpackEntityDrawContext *context);
void (*draw_label) (CmpackEntity *self, CmpackEntityDrawContext *context);
void (*move) (CmpackEntity *self, gdouble x, gdouble y);
void (*resize) (CmpackEntity *self, gdouble width, gdouble height);
};
GType cmpack_entity_get_type(void) G_GNUC_CONST;
void cmpack_entity_draw_entity(CmpackEntity *entity, CmpackEntityDrawContext *context);
void cmpack_entity_draw_label(CmpackEntity *entity, CmpackEntityDrawContext *context);
void cmpack_entity_move(CmpackEntity *entity, gdouble x, gdouble y);
void cmpack_entity_resize(CmpackEntity *entity, gdouble width, gdouble height);
const GdkColor *cmpack_entity_custom_color(CmpackEntity *entity);
void cmpack_entity_set_custom_color(CmpackEntity *entity, const GdkColor *color);
/* ------------------------------ CIRCLE ------------------------------------------------ */
#define CMPACK_TYPE_CIRCLE (cmpack_circle_get_type ())
#define CMPACK_CIRCLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CMPACK_TYPE_CIRCLE, CmpackCircle))
#define CMPACK_CIRCLE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CMPACK_TYPE_CIRCLE, CmpackCircleClass))
#define CMPACK_IS_CIRCLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CMPACK_TYPE_CIRCLE))
#define CMPACK_IS_CIRCLE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CMPACK_TYPE_CIRCLE))
#define CMPACK_CIRCLE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CMPACK_TYPE_CIRCLE, CmpackCircleClass))
typedef struct _CmpackCircle CmpackCircle;
typedef struct _CmpackCircleClass CmpackCircleClass;
/* Circle */
struct _CmpackCircle
{
CmpackEntity parent;
gdouble xphys, yphys;
gdouble width, height;
CmpackColor color;
gboolean filled;
};
/* Circle class */
struct _CmpackCircleClass
{
CmpackEntityClass parent_class;
};
GType cmpack_circle_get_type(void) G_GNUC_CONST;
CmpackEntity *cmpack_new_circle(gdouble left, gdouble top, gdouble width, gdouble height, CmpackColor color, gboolean filled);
/* ------------------------ QUADRATIC POLYNOMIAL CURVE ----------------------------------- */
#define CMPACK_TYPE_QPCURVE (cmpack_qpcurve_get_type ())
#define CMPACK_QPCURVE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CMPACK_TYPE_QPCURVE, CmpackQPCurve))
#define CMPACK_QPCURVE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CMPACK_TYPE_QPCURVE, CmpackQPCurveClass))
#define CMPACK_IS_QPCURVE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CMPACK_TYPE_QPCURVE))
#define CMPACK_IS_QPCURVE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CMPACK_TYPE_QPCURVE))
#define CMPACK_QPCURVE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CMPACK_TYPE_QPCURVE, CmpackQPCurveClass))
typedef struct _CmpackQPCurve CmpackQPCurve;
typedef struct _CmpackQPCurveClass CmpackQPCurveClass;
/* QPCurve */
struct _CmpackQPCurve
{
CmpackEntity parent;
gdouble coeff[6];
gdouble t0, t1;
CmpackColor color;
gboolean filled;
gboolean data_changed;
gdouble scale_x, scale_y;
gboolean reverse_x, reverse_y;
GdkRectangle brect; // Bounding rectangle
GdkPoint origin; // Point where the curve starts
GList *pts; // List of pointers to GdkPoint (relative offsets w.r.t. origin)
int npoints; // Number of line endpoints
GdkPoint *points; // endpoints
};
/* QPCurve class */
struct _CmpackQPCurveClass
{
CmpackEntityClass parent_class;
};
GType cmpack_qpcurve_get_type(void) G_GNUC_CONST;
CmpackEntity *cmpack_new_qpcurve(const gdouble *coeff, gdouble t0, gdouble t1, CmpackColor color);
/* ------------------------ MARK ----------------------------------- */
#define CMPACK_TYPE_MARK (cmpack_mark_get_type ())
#define CMPACK_MARK(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CMPACK_TYPE_MARK, CmpackMark))
#define CMPACK_MARK_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CMPACK_TYPE_MARK, CmpackMarkClass))
#define CMPACK_IS_MARK(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CMPACK_TYPE_MARK))
#define CMPACK_IS_MARK_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CMPACK_TYPE_MARK))
#define CMPACK_MARK_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CMPACK_TYPE_MARK, CmpackMarkClass))
typedef struct _CmpackMark CmpackMark;
typedef struct _CmpackMarkClass CmpackMarkClass;
/* Mark */
struct _CmpackMark
{
CmpackEntity parent;
gdouble x, y;
gdouble tilt;
CmpackColor color;
gboolean data_changed;
gboolean reverse_x, reverse_y;
gint dx, dy;
};
/* Mark class */
struct _CmpackMarkClass
{
CmpackEntityClass parent_class;
};
GType cmpack_mark_get_type(void) G_GNUC_CONST;
CmpackEntity *cmpack_new_mark(gdouble x, gdouble y, gdouble tilt, CmpackColor color);
/* ------------------------ OBJECT ----------------------------------- */
#define CMPACK_TYPE_OBJECT (cmpack_object_get_type ())
#define CMPACK_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), CMPACK_TYPE_OBJECT, CmpackObject))
#define CMPACK_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), CMPACK_TYPE_OBJECT, CmpackObjectClass))
#define CMPACK_IS_OBJECT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CMPACK_TYPE_OBJECT))
#define CMPACK_IS_OBJECT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), CMPACK_TYPE_OBJECT))
#define CMPACK_OBJECT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), CMPACK_TYPE_OBJECT, CmpackObjectClass))
typedef struct _CmpackObject CmpackObject;
typedef struct _CmpackObjectClass CmpackObjectClass;
/* Object */
struct _CmpackObject
{
CmpackEntity parent;
gdouble x, y;
CmpackColor color;
gchar *caption;
};
/* Object class */
struct _CmpackObjectClass
{
CmpackEntityClass parent_class;
};
GType cmpack_object_get_type(void) G_GNUC_CONST;
CmpackEntity *cmpack_new_object(gdouble x, gdouble y, CmpackColor color, const gchar *caption);
G_END_DECLS
#endif
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