static DiaObject *
arc_load(ObjectNode obj_node, int version,DiaContext *ctx)
{
Arc *arc;
Connection *conn;
DiaObject *obj;
AttributeNode attr;
arc = g_malloc0(sizeof(Arc));
conn = &arc->connection;
obj = &conn->object;
obj->type = &arc_type;
obj->ops = &arc_ops;
connection_load(conn, obj_node, ctx);
arc->arc_color = color_black;
attr = object_find_attribute(obj_node, "arc_color");
if (attr != NULL)
data_color(attribute_first_data(attr), &arc->arc_color, ctx);
arc->curve_distance = 0.1;
attr = object_find_attribute(obj_node, "curve_distance");
if (attr != NULL)
arc->curve_distance = data_real(attribute_first_data(attr), ctx);
arc->line_width = 0.1;
attr = object_find_attribute(obj_node, PROP_STDNAME_LINE_WIDTH);
if (attr != NULL)
arc->line_width = data_real(attribute_first_data(attr), ctx);
arc->line_style = LINESTYLE_SOLID;
attr = object_find_attribute(obj_node, "line_style");
if (attr != NULL)
arc->line_style = data_enum(attribute_first_data(attr), ctx);
arc->dashlength = DEFAULT_LINESTYLE_DASHLEN;
attr = object_find_attribute(obj_node, "dashlength");
if (attr != NULL)
arc->dashlength = data_real(attribute_first_data(attr), ctx);
arc->line_caps = LINECAPS_BUTT;
attr = object_find_attribute(obj_node, "line_caps");
if (attr != NULL)
arc->line_caps = data_enum(attribute_first_data(attr), ctx);
load_arrow(obj_node, &arc->start_arrow, "start_arrow",
"start_arrow_length", "start_arrow_width", ctx);
load_arrow(obj_node, &arc->end_arrow, "end_arrow",
"end_arrow_length", "end_arrow_width", ctx);
connection_init(conn, 4, 0);
_arc_setup_handles (arc);
/* older versions did not prohibit everything reduced to a single point
* and afterwards failed on all the calculations producing nan.
*/
if (distance_point_point (&arc->connection.endpoints[0],
&arc->connection.endpoints[1]) < 0.02) {
arc->curve_distance = 0.0;
arc->connection.endpoints[0].x -= 0.01;
arc->connection.endpoints[1].x += 0.01;
arc_update_handles (arc);
}
arc_update_data(arc);
return &arc->connection.object;
}
static DiaObject *
line_load(ObjectNode obj_node, int version, DiaContext *ctx)
{
Line *line;
Connection *conn;
DiaObject *obj;
AttributeNode attr;
line = g_malloc0(sizeof(Line));
conn = &line->connection;
obj = &conn->object;
obj->type = &line_type;
obj->ops = &line_ops;
connection_load(conn, obj_node, ctx);
line->line_color = color_black;
attr = object_find_attribute(obj_node, "line_color");
if (attr != NULL)
data_color(attribute_first_data(attr), &line->line_color, ctx);
line->line_width = 0.1;
attr = object_find_attribute(obj_node, PROP_STDNAME_LINE_WIDTH);
if (attr != NULL)
line->line_width = data_real(attribute_first_data(attr), ctx);
line->line_style = LINESTYLE_SOLID;
attr = object_find_attribute(obj_node, "line_style");
if (attr != NULL)
line->line_style = data_enum(attribute_first_data(attr), ctx);
line->line_caps = LINECAPS_BUTT;
attr = object_find_attribute(obj_node, "line_caps");
if (attr != NULL)
line->line_caps = data_enum(attribute_first_data(attr), ctx);
load_arrow(obj_node, &line->start_arrow,
"start_arrow", "start_arrow_length", "start_arrow_width", ctx);
load_arrow(obj_node, &line->end_arrow,
"end_arrow", "end_arrow_length", "end_arrow_width", ctx);
line->absolute_start_gap = 0.0;
attr = object_find_attribute(obj_node, "absolute_start_gap");
if (attr != NULL)
line->absolute_start_gap = data_real(attribute_first_data(attr), ctx);
line->absolute_end_gap = 0.0;
attr = object_find_attribute(obj_node, "absolute_end_gap");
if (attr != NULL)
line->absolute_end_gap = data_real(attribute_first_data(attr), ctx);
line->dashlength = DEFAULT_LINESTYLE_DASHLEN;
attr = object_find_attribute(obj_node, "dashlength");
if (attr != NULL)
line->dashlength = data_real(attribute_first_data(attr), ctx);
connection_init(conn, 2, 0);
line->cpl = connpointline_load(obj,obj_node,"numcp",1,NULL, ctx);
line_update_data(line);
return &line->connection.object;
}