static void
ellipse_set_props(Ellipse *ellipse, GPtrArray *props)
{
object_set_props_from_offsets(&ellipse->element.object,
ellipse_offsets,props);
ellipse_update_data(ellipse, ANCHOR_MIDDLE, ANCHOR_MIDDLE);
}
static void
aspect_change_apply(struct AspectChange *change, DiaObject *obj)
{
Ellipse *ellipse = (Ellipse*)obj;
ellipse->aspect = change->new_type;
ellipse_update_data(ellipse);
}
static ObjectChange*
ellipse_move(Ellipse *ellipse, Point *to)
{
ellipse->element.corner = *to;
ellipse_update_data(ellipse);
return NULL;
}
static void
aspect_change_revert(struct AspectChange *change, DiaObject *obj)
{
Ellipse *ellipse = (Ellipse*)obj;
ellipse->aspect = change->old_type;
ellipse->element.corner = change->topleft;
ellipse->element.width = change->width;
ellipse->element.height = change->height;
ellipse_update_data(ellipse);
}
static DiaObject *
ellipse_create(Point *startpoint,
void *user_data,
Handle **handle1,
Handle **handle2)
{
Ellipse *ellipse;
Element *elem;
DiaObject *obj;
int i;
ellipse = g_malloc0(sizeof(Ellipse));
elem = &ellipse->element;
obj = &elem->object;
obj->type = &ellipse_type;
obj->ops = &ellipse_ops;
elem->corner = *startpoint;
elem->width = DEFAULT_WIDTH;
elem->height = DEFAULT_HEIGHT;
ellipse->border_width = attributes_get_default_linewidth();
ellipse->border_color = attributes_get_foreground();
ellipse->inner_color = attributes_get_background();
attributes_get_default_line_style(&ellipse->line_style,
&ellipse->dashlength);
ellipse->show_background = default_properties.show_background;
ellipse->aspect = default_properties.aspect;
element_init(elem, 9, 9);
obj->handles[8] = &ellipse->center_handle;
obj->handles[8]->id = HANDLE_CUSTOM1;
obj->handles[8]->type = HANDLE_MAJOR_CONTROL;
obj->handles[8]->connected_to = NULL;
obj->handles[8]->connect_type = HANDLE_NONCONNECTABLE;
for (i=0;i<9;i++) {
obj->connections[i] = &ellipse->connections[i];
ellipse->connections[i].object = obj;
ellipse->connections[i].connected = NULL;
}
ellipse->connections[8].flags = CP_FLAGS_MAIN;
ellipse_update_data(ellipse);
*handle1 = NULL;
*handle2 = obj->handles[7];
return &ellipse->element.object;
}
static ObjectChange*
ellipse_move_handle(Ellipse *ellipse, Handle *handle,
Point *to, ConnectionPoint *cp,
HandleMoveReason reason, ModifierKeys modifiers)
{
AnchorShape horiz = ANCHOR_MIDDLE, vert = ANCHOR_MIDDLE;
Point corner;
real width, height;
assert(ellipse!=NULL);
assert(handle!=NULL);
assert(to!=NULL);
/* remember ... */
corner = ellipse->element.corner;
width = ellipse->element.width;
height = ellipse->element.height;
element_move_handle(&ellipse->element, handle->id, to, cp,
reason, modifiers);
switch (handle->id) {
case HANDLE_RESIZE_NW:
horiz = ANCHOR_END; vert = ANCHOR_END; break;
case HANDLE_RESIZE_N:
vert = ANCHOR_END; break;
case HANDLE_RESIZE_NE:
horiz = ANCHOR_START; vert = ANCHOR_END; break;
case HANDLE_RESIZE_E:
horiz = ANCHOR_START; break;
case HANDLE_RESIZE_SE:
horiz = ANCHOR_START; vert = ANCHOR_START; break;
case HANDLE_RESIZE_S:
vert = ANCHOR_START; break;
case HANDLE_RESIZE_SW:
horiz = ANCHOR_END; vert = ANCHOR_START; break;
case HANDLE_RESIZE_W:
horiz = ANCHOR_END; break;
default:
break;
}
ellipse_update_data(ellipse, horiz, vert);
if (width != ellipse->element.width && height != ellipse->element.height)
return element_change_new (&corner, width, height, &ellipse->element);
return NULL;
}
static DiaObject *
ellipse_load(ObjectNode obj_node, int version,DiaContext *ctx)
{
Ellipse *ellipse;
Element *elem;
DiaObject *obj;
int i;
AttributeNode attr;
ellipse = g_malloc0(sizeof(Ellipse));
elem = &ellipse->element;
obj = &elem->object;
obj->type = &fc_ellipse_type;
obj->ops = &ellipse_ops;
element_load(elem, obj_node, ctx);
ellipse->border_width = 0.1;
attr = object_find_attribute(obj_node, "border_width");
if (attr != NULL)
ellipse->border_width = data_real(attribute_first_data(attr), ctx);
ellipse->border_color = color_black;
attr = object_find_attribute(obj_node, "border_color");
if (attr != NULL)
data_color(attribute_first_data(attr), &ellipse->border_color, ctx);
ellipse->inner_color = color_white;
attr = object_find_attribute(obj_node, "inner_color");
if (attr != NULL)
data_color(attribute_first_data(attr), &ellipse->inner_color, ctx);
ellipse->show_background = TRUE;
attr = object_find_attribute(obj_node, "show_background");
if (attr != NULL)
ellipse->show_background = data_boolean( attribute_first_data(attr), ctx);
ellipse->line_style = LINESTYLE_SOLID;
attr = object_find_attribute(obj_node, "line_style");
if (attr != NULL)
ellipse->line_style = data_enum(attribute_first_data(attr), ctx);
ellipse->dashlength = DEFAULT_LINESTYLE_DASHLEN;
attr = object_find_attribute(obj_node, "dashlength");
if (attr != NULL)
ellipse->dashlength = data_real(attribute_first_data(attr), ctx);
ellipse->padding = default_properties.padding;
attr = object_find_attribute(obj_node, "padding");
if (attr != NULL)
ellipse->padding = data_real(attribute_first_data(attr), ctx);
ellipse->text = NULL;
attr = object_find_attribute(obj_node, "text");
if (attr != NULL)
ellipse->text = data_text(attribute_first_data(attr), ctx);
else
ellipse->text = new_text_default(&obj->position, &ellipse->border_color, ALIGN_CENTER);
/* old default: only growth, manual shrink */
ellipse->text_fitting = TEXTFIT_WHEN_NEEDED;
attr = object_find_attribute(obj_node, PROP_STDNAME_TEXT_FITTING);
if (attr != NULL)
ellipse->text_fitting = data_enum(attribute_first_data(attr), ctx);
element_init(elem, 8, NUM_CONNECTIONS);
for (i=0;i<NUM_CONNECTIONS;i++) {
obj->connections[i] = &ellipse->connections[i];
ellipse->connections[i].object = obj;
ellipse->connections[i].connected = NULL;
ellipse->connections[i].flags = 0;
}
ellipse->connections[16].flags = CP_FLAGS_MAIN;
ellipse_update_data(ellipse, ANCHOR_MIDDLE, ANCHOR_MIDDLE);
return &ellipse->element.object;
}
static DiaObject *
ellipse_create(Point *startpoint,
void *user_data,
Handle **handle1,
Handle **handle2)
{
Ellipse *ellipse;
Element *elem;
DiaObject *obj;
Point p;
int i;
DiaFont *font = NULL;
real font_height;
init_default_values();
ellipse = g_malloc0(sizeof(Ellipse));
elem = &ellipse->element;
obj = &elem->object;
obj->type = &fc_ellipse_type;
obj->ops = &ellipse_ops;
elem->corner = *startpoint;
elem->width = DEFAULT_WIDTH;
elem->height = DEFAULT_HEIGHT;
ellipse->border_width = attributes_get_default_linewidth();
ellipse->border_color = attributes_get_foreground();
ellipse->inner_color = attributes_get_background();
ellipse->show_background = default_properties.show_background;
attributes_get_default_line_style(&ellipse->line_style,&ellipse->dashlength);
ellipse->padding = default_properties.padding;
attributes_get_default_font(&font, &font_height);
p = *startpoint;
p.x += elem->width / 2.0;
p.y += elem->height / 2.0 + font_height / 2;
ellipse->text = new_text("", font, font_height, &p, &ellipse->border_color,
ALIGN_CENTER);
dia_font_unref(font);
/* new default: let the user decide the size? */
ellipse->text_fitting = TEXTFIT_ALWAYS;
element_init(elem, 8, NUM_CONNECTIONS);
for (i=0;i<NUM_CONNECTIONS;i++) {
obj->connections[i] = &ellipse->connections[i];
ellipse->connections[i].object = obj;
ellipse->connections[i].connected = NULL;
ellipse->connections[i].flags = 0;
}
ellipse->connections[16].flags = CP_FLAGS_MAIN;
ellipse_update_data(ellipse, ANCHOR_MIDDLE, ANCHOR_MIDDLE);
*handle1 = NULL;
*handle2 = obj->handles[7];
return &ellipse->element.object;
}
static DiaObject *ellipse_load(ObjectNode obj_node, int version, DiaContext *ctx)
{
Ellipse *ellipse;
Element *elem;
DiaObject *obj;
int i;
AttributeNode attr;
ellipse = g_malloc0(sizeof(Ellipse));
elem = &ellipse->element;
obj = &elem->object;
obj->type = &ellipse_type;
obj->ops = &ellipse_ops;
element_load(elem, obj_node, ctx);
ellipse->border_width = 0.1;
attr = object_find_attribute(obj_node, "border_width");
if (attr != NULL)
ellipse->border_width = data_real(attribute_first_data(attr), ctx);
ellipse->border_color = color_black;
attr = object_find_attribute(obj_node, "border_color");
if (attr != NULL)
data_color(attribute_first_data(attr), &ellipse->border_color, ctx);
ellipse->inner_color = color_white;
attr = object_find_attribute(obj_node, "inner_color");
if (attr != NULL)
data_color(attribute_first_data(attr), &ellipse->inner_color, ctx);
ellipse->show_background = TRUE;
attr = object_find_attribute(obj_node, "show_background");
if (attr != NULL)
ellipse->show_background = data_boolean(attribute_first_data(attr), ctx);
ellipse->aspect = FREE_ASPECT;
attr = object_find_attribute(obj_node, "aspect");
if (attr != NULL)
ellipse->aspect = data_enum(attribute_first_data(attr), ctx);
ellipse->line_style = LINESTYLE_SOLID;
attr = object_find_attribute(obj_node, "line_style");
if (attr != NULL)
ellipse->line_style = data_enum(attribute_first_data(attr), ctx);
ellipse->dashlength = DEFAULT_LINESTYLE_DASHLEN;
attr = object_find_attribute(obj_node, "dashlength");
if (attr != NULL)
ellipse->dashlength = data_real(attribute_first_data(attr), ctx);
attr = object_find_attribute(obj_node, "pattern");
if (attr != NULL)
ellipse->pattern = data_pattern(attribute_first_data(attr), ctx);
element_init(elem, 9, 9);
obj->handles[8] = &ellipse->center_handle;
obj->handles[8]->id = HANDLE_CUSTOM1;
obj->handles[8]->type = HANDLE_MAJOR_CONTROL;
obj->handles[8]->connected_to = NULL;
obj->handles[8]->connect_type = HANDLE_NONCONNECTABLE;
for (i=0;i<9;i++) {
obj->connections[i] = &ellipse->connections[i];
ellipse->connections[i].object = obj;
ellipse->connections[i].connected = NULL;
}
ellipse->connections[8].flags = CP_FLAGS_MAIN;
ellipse_update_data(ellipse);
return &ellipse->element.object;
}
static ObjectChange*
ellipse_move_handle(Ellipse *ellipse, Handle *handle,
Point *to, ConnectionPoint *cp,
HandleMoveReason reason, ModifierKeys modifiers)
{
Element *elem = &ellipse->element;
Point nw_to, se_to;
assert(ellipse!=NULL);
assert(handle!=NULL);
assert(to!=NULL);
assert(handle->id < 8 || handle->id == HANDLE_CUSTOM1);
if (handle->id == HANDLE_CUSTOM1) {
Point delta, corner_to;
delta.x = to->x - (elem->corner.x + elem->width/2);
delta.y = to->y - (elem->corner.y + elem->height/2);
corner_to.x = elem->corner.x + delta.x;
corner_to.y = elem->corner.y + delta.y;
return ellipse_move(ellipse, &corner_to);
} else {
if (ellipse->aspect != FREE_ASPECT){
float width, height;
float new_width, new_height;
float to_width, aspect_width;
Point center;
width = ellipse->element.width;
height = ellipse->element.height;
center.x = elem->corner.x + width/2;
center.y = elem->corner.y + height/2;
switch (handle->id) {
case HANDLE_RESIZE_E:
case HANDLE_RESIZE_W:
new_width = 2 * fabs(to->x - center.x);
new_height = new_width / width * height;
break;
case HANDLE_RESIZE_N:
case HANDLE_RESIZE_S:
new_height = 2 * fabs(to->y - center.y);
new_width = new_height / height * width;
break;
case HANDLE_RESIZE_NW:
case HANDLE_RESIZE_NE:
case HANDLE_RESIZE_SW:
case HANDLE_RESIZE_SE:
to_width = 2 * fabs(to->x - center.x);
aspect_width = 2 * fabs(to->y - center.y) / height * width;
new_width = to_width < aspect_width ? to_width : aspect_width;
new_height = new_width / width * height;
break;
default:
new_width = width;
new_height = height;
break;
}
nw_to.x = center.x - new_width/2;
nw_to.y = center.y - new_height/2;
se_to.x = center.x + new_width/2;
se_to.y = center.y + new_height/2;
element_move_handle(&ellipse->element, HANDLE_RESIZE_NW, &nw_to, cp, reason, modifiers);
element_move_handle(&ellipse->element, HANDLE_RESIZE_SE, &se_to, cp, reason, modifiers);
} else {
Point center;
Point opposite_to;
center.x = elem->corner.x + elem->width/2;
center.y = elem->corner.y + elem->height/2;
opposite_to.x = center.x - (to->x-center.x);
opposite_to.y = center.y - (to->y-center.y);
element_move_handle(&ellipse->element, handle->id, to, cp, reason, modifiers);
/* this second move screws the intended object size, e.g. from dot2dia.py
* but without it the 'centered' behaviour during edit is screwed
*/
element_move_handle(&ellipse->element, 7-handle->id, &opposite_to, cp, reason, modifiers);
}
ellipse_update_data(ellipse);
return NULL;
}
}