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/* AADL plugin for DIA
*
* Copyright (C) 2005 Laboratoire d'Informatique de Paris 6
* Author: Pierre Duquesne
*
* 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.
*/
#include "config.h"
#include <glib/gi18n-lib.h>
#include "aadl.h"
#include "pixmaps/aadlsubprogram.xpm"
/***********************************************
** AADL SUBPROGRAM **
***********************************************/
static void
aadlsubprogram_draw_borders (Aadlbox *aadlbox, DiaRenderer *renderer)
{
Element *elem;
real x, y, w, h;
Point center;
g_return_if_fail (aadlbox != NULL);
g_return_if_fail (renderer != NULL);
elem = &aadlbox->element;
x = elem->corner.x;
y = elem->corner.y;
w = elem->width;
h = elem->height;
center.x = x + 0.5*w;
center.y = y + 0.5*h;
dia_renderer_set_fillstyle (renderer, DIA_FILL_STYLE_SOLID);
dia_renderer_set_linewidth (renderer, AADLBOX_BORDERWIDTH);
dia_renderer_set_linestyle (renderer, DIA_LINE_STYLE_SOLID, 0.0);
dia_renderer_draw_ellipse (renderer,
¢er,
w,
h,
&aadlbox->fill_color,
&aadlbox->line_color);
}
#define heavyside(n) (n>0?1:0)
#define sign(n) (n>=0?1:-1)
#define point_to_angle(p) (atan((p)->y/(p)->x) + M_PI*heavyside(-(p)->x)*sign((p)->y))
void
aadlsubprogram_project_point_on_nearest_border(Aadlbox *aadlbox,Point *p,
real *angle)
{
Point center;
real w, h, r, t, norm_factor;
w = aadlbox->element.width;
h = aadlbox->element.height;
center.x = aadlbox->element.corner.x + 0.5 * w;
center.y = aadlbox->element.corner.y + 0.5 * h;
point_sub(p, ¢er);
/* normalize ellipse to a circle */
r = w;
norm_factor = r/h;
p->y *= norm_factor;
t = point_to_angle(p);
p->x = 0.5*r*cos(t);
p->y = 0.5*r*sin(t);
/* unnormalize */
p->y /= norm_factor;
point_add(p, ¢er);
*angle = t;
}
static Aadlbox_specific aadlsubprogram_specific =
{
(AadlProjectionFunc) aadlsubprogram_project_point_on_nearest_border,
(AadlTextPosFunc) aadlsubprogram_text_position,
(AadlSizeFunc) aadlsubprogram_minsize
};
static void
aadlsubprogram_draw (Aadlbox *aadlbox, DiaRenderer *renderer)
{
aadlsubprogram_draw_borders (aadlbox, renderer);
aadlbox_draw (aadlbox, renderer);
}
ObjectTypeOps aadlsubprogram_type_ops;
DiaObjectType aadlsubprogram_type =
{
"AADL - Subprogram", /* name */
0, /* version */
aadlsubprogram_xpm, /* pixmap */
&aadlsubprogram_type_ops, /* ops */
NULL,
&aadlsubprogram_specific, /* user data */
NULL, /* prop_descs: property descriptions */
NULL, /* prop_offsets: DiaObject struct offsets */
DIA_OBJECT_CAN_PARENT /* flags */
};
static ObjectOps aadlsubprogram_ops =
{
(DestroyFunc) aadlbox_destroy,
(DrawFunc) aadlsubprogram_draw, /* redefined */
(DistanceFunc) aadlbox_distance_from,
(SelectFunc) aadlbox_select,
(CopyFunc) aadlbox_copy,
(MoveFunc) aadlbox_move,
(MoveHandleFunc) aadlbox_move_handle,
(GetPropertiesFunc) object_create_props_dialog,
(ApplyPropertiesDialogFunc) object_apply_props_from_dialog,
(ObjectMenuFunc) aadlbox_get_object_menu,
(DescribePropsFunc) aadlbox_describe_props,
(GetPropsFunc) aadlbox_get_props,
(SetPropsFunc) aadlbox_set_props,
(TextEditFunc) 0,
(ApplyPropertiesListFunc) object_apply_props,
};
static DiaObject *aadlsubprogram_create(Point *startpoint, void *user_data, Handle **handle1, Handle **handle2)
{
DiaObject *obj = aadlbox_create(startpoint, user_data, handle1, handle2);
obj->type = &aadlsubprogram_type;
obj->ops = &aadlsubprogram_ops;
return obj;
}
static DiaObject *
aadlsubprogram_load(ObjectNode obj_node, int version, DiaContext *ctx)
{
DiaObject *obj;
Point startpoint = {0.0,0.0};
Handle *handle1,*handle2;
obj = aadlsubprogram_create(&startpoint,&aadlsubprogram_specific, &handle1,&handle2);
aadlbox_load(obj_node, version, ctx, (Aadlbox *) obj);
return obj;
}
ObjectTypeOps aadlsubprogram_type_ops =
{
(CreateFunc) aadlsubprogram_create,
(LoadFunc) aadlsubprogram_load,/*using_properties*/ /* load */
(SaveFunc) aadlbox_save, /* save */
(GetDefaultsFunc) NULL,
(ApplyDefaultsFunc) NULL
};
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