static ObjectChange*
bezierline_move_handle(Bezierline *bezierline, Handle *handle,
Point *to, ConnectionPoint *cp,
HandleMoveReason reason, ModifierKeys modifiers)
{
assert(bezierline!=NULL);
assert(handle!=NULL);
assert(to!=NULL);
if (reason == HANDLE_MOVE_CREATE || reason == HANDLE_MOVE_CREATE_FINAL) {
/* During creation, change the control points */
BezierConn *bez = &bezierline->bez;
Point dist = bez->bezier.points[0].p1;
point_sub(&dist, to);
dist.y = 0;
point_scale(&dist, 0.332);
bezierconn_move_handle(bez, handle, to, cp, reason, modifiers);
bez->bezier.points[1].p1 = bez->bezier.points[0].p1;
point_sub(&bez->bezier.points[1].p1, &dist);
bez->bezier.points[1].p2 = *to;
point_add(&bez->bezier.points[1].p2, &dist);
} else {
bezierconn_move_handle(&bezierline->bez, handle, to, cp, reason, modifiers);
}
bezierline_update_data(bezierline);
return NULL;
}
static ObjectChange *
bezierline_apply_properties(Bezierline *bezierline)
{
ObjectState *old_state;
if (bezierline != bezierline_properties_dialog->bezierline) {
g_message("Bezierline dialog problem: %p != %p",
bezierline, bezierline_properties_dialog->bezierline);
bezierline = bezierline_properties_dialog->bezierline;
}
old_state = (ObjectState *)bezierline_get_state(bezierline);
bezierline->line_width =
gtk_spin_button_get_value_as_float(bezierline_properties_dialog->line_width);
dia_color_selector_get_color(bezierline_properties_dialog->color,
&bezierline->line_color);
dia_line_style_selector_get_linestyle(bezierline_properties_dialog->line_style, &bezierline->line_style, &bezierline->dashlength);
bezierline->start_arrow = dia_arrow_selector_get_arrow(bezierline_properties_dialog->start_arrow);
bezierline->end_arrow = dia_arrow_selector_get_arrow(bezierline_properties_dialog->end_arrow);
bezierline_update_data(bezierline);
return new_object_state_change((Object *)bezierline, old_state,
(GetStateFunc)bezierline_get_state,
(SetStateFunc)bezierline_set_state);
}
static void
bezierline_set_props(Bezierline *bezierline, GPtrArray *props)
{
object_set_props_from_offsets(&bezierline->bez.object, bezierline_offsets,
props);
bezierline_update_data(bezierline);
}
static ObjectChange*
bezierline_move(Bezierline *bezierline, Point *to)
{
bezierconn_move(&bezierline->bez, to);
bezierline_update_data(bezierline);
return NULL;
}
static ObjectChange *
bezierline_add_segment_callback (DiaObject *obj, Point *clicked, gpointer data)
{
Bezierline *bezierline = (Bezierline*) obj;
int segment;
ObjectChange *change;
segment = bezierline_closest_segment(bezierline, clicked);
change = bezierconn_add_segment(&bezierline->bez, segment, clicked);
bezierline_update_data(bezierline);
return change;
}
static DiaObject *
bezierline_create(Point *startpoint,
void *user_data,
Handle **handle1,
Handle **handle2)
{
Bezierline *bezierline;
BezierConn *bez;
DiaObject *obj;
Point defaultlen = { .3, .3 };
bezierline = g_new0(Bezierline, 1);
bezierline->bez.object.enclosing_box = g_new0 (Rectangle, 1);
bez = &bezierline->bez;
obj = &bez->object;
obj->type = &bezierline_type;
obj->ops = &bezierline_ops;
if (user_data == NULL) {
bezierconn_init(bez, 2);
bez->bezier.points[0].p1 = *startpoint;
bez->bezier.points[1].p1 = *startpoint;
point_add(&bez->bezier.points[1].p1, &defaultlen);
bez->bezier.points[1].p2 = bez->bezier.points[1].p1;
point_add(&bez->bezier.points[1].p2, &defaultlen);
bez->bezier.points[1].p3 = bez->bezier.points[1].p2;
point_add(&bez->bezier.points[1].p3, &defaultlen);
} else {
BezierCreateData *bcd = (BezierCreateData*)user_data;
bezierconn_init(bez, bcd->num_points);
beziercommon_set_points (&bez->bezier, bcd->num_points, bcd->points);
}
bezierline->line_width = attributes_get_default_linewidth();
bezierline->line_color = attributes_get_foreground();
attributes_get_default_line_style(&bezierline->line_style,
&bezierline->dashlength);
bezierline->line_join = LINEJOIN_MITER;
bezierline->line_caps = LINECAPS_BUTT;
bezierline->start_arrow = attributes_get_default_start_arrow();
bezierline->end_arrow = attributes_get_default_end_arrow();
*handle1 = bez->object.handles[0];
*handle2 = bez->object.handles[3];
bezierline_update_data(bezierline);
return &bezierline->bez.object;
}
static gboolean
bezierline_transform(Bezierline *bezierline, const DiaMatrix *m)
{
int i;
g_return_val_if_fail (m != NULL, FALSE);
for (i = 0; i < bezierline->bez.bezier.num_points; i++)
transform_bezpoint (&bezierline->bez.bezier.points[i], m);
bezierline_update_data(bezierline);
return TRUE;
}
static ObjectChange *
bezierline_delete_segment_callback (DiaObject *obj, Point *clicked, gpointer data)
{
int seg_nr;
Bezierline *bezierline = (Bezierline*) obj;
ObjectChange *change;
seg_nr = beziercommon_closest_segment(&bezierline->bez.bezier, clicked, bezierline->line_width);
change = bezierconn_remove_segment(&bezierline->bez, seg_nr+1);
bezierline_update_data(bezierline);
return change;
}
static ObjectChange *
bezierline_set_corner_type_callback (DiaObject *obj, Point *clicked, gpointer data)
{
Handle *closest;
Bezierline *bezierline = (Bezierline*) obj;
ObjectChange *change;
closest = bezierconn_closest_major_handle(&bezierline->bez, clicked);
change = bezierconn_set_corner_type(&bezierline->bez, closest,
GPOINTER_TO_INT(data));
bezierline_update_data(bezierline);
return change;
}
static void
bezierline_set_state(Bezierline *bezierline, BezierlineState *state)
{
bezierline->line_color = state->line_color;
bezierline->line_width = state->line_width;
bezierline->line_style = state->line_style;
bezierline->dashlength = state->dashlength;
bezierline->start_arrow = state->start_arrow;
bezierline->end_arrow = state->end_arrow;
g_free(state);
bezierline_update_data(bezierline);
}
static Object *
bezierline_create(Point *startpoint,
void *user_data,
Handle **handle1,
Handle **handle2)
{
Bezierline *bezierline;
BezierConn *bez;
Object *obj;
Point defaultlen = { .3, .3 };
/*bezierline_init_defaults();*/
bezierline = g_new(Bezierline, 1);
bez = &bezierline->bez;
obj = (Object *) bezierline;
obj->type = &bezierline_type;
obj->ops = &bezierline_ops;
bezierconn_init(bez);
bez->points[0].p1 = *startpoint;
bez->points[1].p1 = *startpoint;
point_add(&bez->points[1].p1, &defaultlen);
bez->points[1].p2 = bez->points[1].p1;
point_add(&bez->points[1].p2, &defaultlen);
bez->points[1].p3 = bez->points[1].p2;
point_add(&bez->points[1].p3, &defaultlen);
bezierline_update_data(bezierline);
bezierline->line_width = attributes_get_default_linewidth();
bezierline->line_color = attributes_get_foreground();
attributes_get_default_line_style(&bezierline->line_style,
&bezierline->dashlength);
bezierline->start_arrow = attributes_get_default_start_arrow();
bezierline->end_arrow = attributes_get_default_end_arrow();
*handle1 = bez->object.handles[0];
*handle2 = bez->object.handles[3];
return (Object *)bezierline;
}
static void
bezierline_move_handle(Bezierline *bezierline, Handle *handle,
Point *to, HandleMoveReason reason, ModifierKeys modifiers)
{
assert(bezierline!=NULL);
assert(handle!=NULL);
assert(to!=NULL);
bezierconn_move_handle(&bezierline->bez, handle, to, reason);
if (reason == HANDLE_MOVE_CREATE || reason == HANDLE_MOVE_CREATE_FINAL) {
BezierConn *bez = &bezierline->bez;
Point delta = bez->points[1].p3;
point_sub(&delta, &bez->points[0].p1);
point_scale(&delta, 1.0/3);
bez->points[1].p1 = bez->points[0].p1;
point_add(&bez->points[1].p1, &delta);
bez->points[1].p2 = bez->points[1].p1;
point_add(&bez->points[1].p2, &delta);
}
bezierline_update_data(bezierline);
}
static DiaObject *
bezierline_load(ObjectNode obj_node, int version, DiaContext *ctx)
{
Bezierline *bezierline;
BezierConn *bez;
DiaObject *obj;
AttributeNode attr;
bezierline = g_new0(Bezierline, 1);
bezierline->bez.object.enclosing_box = g_new0 (Rectangle, 1);
bez = &bezierline->bez;
obj = &bez->object;
obj->type = &bezierline_type;
obj->ops = &bezierline_ops;
bezierconn_load(bez, obj_node, ctx);
bezierline->line_color = color_black;
attr = object_find_attribute(obj_node, "line_color");
if (attr != NULL)
data_color(attribute_first_data(attr), &bezierline->line_color, ctx);
bezierline->line_width = 0.1;
attr = object_find_attribute(obj_node, PROP_STDNAME_LINE_WIDTH);
if (attr != NULL)
bezierline->line_width = data_real(attribute_first_data(attr), ctx);
bezierline->line_style = LINESTYLE_SOLID;
attr = object_find_attribute(obj_node, "line_style");
if (attr != NULL)
bezierline->line_style = data_enum(attribute_first_data(attr), ctx);
bezierline->line_join = LINEJOIN_MITER;
attr = object_find_attribute(obj_node, "line_join");
if (attr != NULL)
bezierline->line_join = data_enum(attribute_first_data(attr), ctx);
bezierline->line_caps = LINECAPS_BUTT;
attr = object_find_attribute(obj_node, "line_caps");
if (attr != NULL)
bezierline->line_caps = data_enum(attribute_first_data(attr), ctx);
bezierline->dashlength = DEFAULT_LINESTYLE_DASHLEN;
attr = object_find_attribute(obj_node, "dashlength");
if (attr != NULL)
bezierline->dashlength = data_real(attribute_first_data(attr), ctx);
load_arrow(obj_node, &bezierline->start_arrow, "start_arrow",
"start_arrow_length", "start_arrow_width", ctx);
load_arrow(obj_node, &bezierline->end_arrow, "end_arrow",
"end_arrow_length", "end_arrow_width", ctx);
bezierline->absolute_start_gap = 0.0;
attr = object_find_attribute(obj_node, "absolute_start_gap");
if (attr != NULL)
bezierline->absolute_start_gap = data_real(attribute_first_data(attr), ctx);
bezierline->absolute_end_gap = 0.0;
attr = object_find_attribute(obj_node, "absolute_end_gap");
if (attr != NULL)
bezierline->absolute_end_gap = data_real(attribute_first_data(attr), ctx);
/* if "screws up the bounding box if auto_gap" it must be fixed there
* not by copying some meaningless bounding_box before this function call!
* But the real fix is in connectionpoint.c(connpoint_is_autogap)
*/
bezierline_update_data(bezierline);
return &bezierline->bez.object;
}
static Object *
bezierline_load(ObjectNode obj_node, int version, const char *filename)
{
Bezierline *bezierline;
BezierConn *bez;
Object *obj;
AttributeNode attr;
bezierline = g_new(Bezierline, 1);
bez = &bezierline->bez;
obj = (Object *) bezierline;
obj->type = &bezierline_type;
obj->ops = &bezierline_ops;
bezierconn_load(bez, obj_node);
bezierline->line_color = color_black;
attr = object_find_attribute(obj_node, "line_color");
if (attr != NULL)
data_color(attribute_first_data(attr), &bezierline->line_color);
bezierline->line_width = 0.1;
attr = object_find_attribute(obj_node, "line_width");
if (attr != NULL)
bezierline->line_width = data_real(attribute_first_data(attr));
bezierline->line_style = LINESTYLE_SOLID;
attr = object_find_attribute(obj_node, "line_style");
if (attr != NULL)
bezierline->line_style = data_enum(attribute_first_data(attr));
bezierline->dashlength = DEFAULT_LINESTYLE_DASHLEN;
attr = object_find_attribute(obj_node, "dashlength");
if (attr != NULL)
bezierline->dashlength = data_real(attribute_first_data(attr));
bezierline->start_arrow.type = ARROW_NONE;
bezierline->start_arrow.length = 0.8;
bezierline->start_arrow.width = 0.8;
attr = object_find_attribute(obj_node, "start_arrow");
if (attr != NULL)
bezierline->start_arrow.type = data_enum(attribute_first_data(attr));
attr = object_find_attribute(obj_node, "start_arrow_length");
if (attr != NULL)
bezierline->start_arrow.length = data_real(attribute_first_data(attr));
attr = object_find_attribute(obj_node, "start_arrow_width");
if (attr != NULL)
bezierline->start_arrow.width = data_real(attribute_first_data(attr));
bezierline->end_arrow.type = ARROW_NONE;
bezierline->end_arrow.length = 0.8;
bezierline->end_arrow.width = 0.8;
attr = object_find_attribute(obj_node, "end_arrow");
if (attr != NULL)
bezierline->end_arrow.type = data_enum(attribute_first_data(attr));
attr = object_find_attribute(obj_node, "end_arrow_length");
if (attr != NULL)
bezierline->end_arrow.length = data_real(attribute_first_data(attr));
attr = object_find_attribute(obj_node, "end_arrow_width");
if (attr != NULL)
bezierline->end_arrow.width = data_real(attribute_first_data(attr));
bezierline_update_data(bezierline);
return (Object *)bezierline;
}
static void
bezierline_move(Bezierline *bezierline, Point *to)
{
bezierconn_move(&bezierline->bez, to);
bezierline_update_data(bezierline);
}
