static void
chronoref_draw(Chronoref *chronoref, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Element *elem;
Point lr_corner;
real t;
Point p1,p2,p3;
assert(renderer != NULL);
elem = &chronoref->element;
renderer_ops->set_linestyle(renderer, LINESTYLE_SOLID);
renderer_ops->set_linejoin(renderer, LINEJOIN_MITER);
lr_corner.x = elem->corner.x + elem->width;
lr_corner.y = elem->corner.y + elem->height;
p1.y = p2.y = elem->corner.y;
renderer_ops->set_font(renderer, chronoref->font, chronoref->font_size);
p3.y = p2.y + chronoref->majgrad_height +
dia_font_ascent("1",chronoref->font, chronoref->font_size);
renderer_ops->set_linewidth(renderer, chronoref->light_lwidth);
if (chronoref->time_lstep > 0.0) {
p2.y = p1.y + chronoref->mingrad_height;
for (t = chronoref->firstmaj, p1.x = chronoref->firstmin_x;
p1.x <= lr_corner.x;
t += chronoref->time_lstep, p1.x += chronoref->mingrad) {
p2.x = p1.x;
renderer_ops->draw_line(renderer,&p1,&p2,&chronoref->color);
}
}
renderer_ops->set_linewidth(renderer, chronoref->main_lwidth);
if (chronoref->time_step > 0.0) {
p2.y = p1.y + chronoref->majgrad_height;
for (t = chronoref->firstmaj, p1.x = chronoref->firstmaj_x;
p1.x <= lr_corner.x;
t += chronoref->time_step, p1.x += chronoref->majgrad) {
char time[10];
p3.x = p2.x = p1.x;
renderer_ops->draw_line(renderer,&p1,&p2,&chronoref->color);
g_snprintf(time,sizeof(time),"%.*f",chronoref->spec,t);
renderer_ops->draw_string(renderer,time,&p3,ALIGN_CENTER,
&chronoref->font_color);
}
}
p1.x = elem->corner.x;
p2.x = lr_corner.x;
p1.y = p2.y = elem->corner.y;
renderer_ops->draw_line(renderer,&p1,&p2,&chronoref->color);
}
static void
message_update_data(Message *message)
{
Connection *conn = &message->connection;
DiaObject *obj = &conn->object;
Rectangle rect;
if (connpoint_is_autogap(conn->endpoint_handles[0].connected_to) ||
connpoint_is_autogap(conn->endpoint_handles[1].connected_to)) {
connection_adjust_for_autogap(conn);
}
obj->position = conn->endpoints[0];
message->text_handle.pos = message->text_pos;
connection_update_handles(conn);
connection_update_boundingbox(conn);
message->text_width =
dia_font_string_width(message->text, message->font, message->font_height);
/* Add boundingbox for text: */
rect.left = message->text_pos.x-message->text_width/2;
rect.right = rect.left + message->text_width;
rect.top = message->text_pos.y -
dia_font_ascent(message->text, message->font, message->font_height);
rect.bottom = rect.top + message->font_height;
rectangle_union(&obj->bounding_box, &rect);
}
static void
mbr_update_data(Mbr *mbr)
{
Connection *conn = &mbr->connection;
DiaObject *obj = &conn->object;
Rectangle rect;
Point p1,p2;
Point p3,p4;
gchar *text;
/* Too complex to easily decide -- this is essentially a bezier curve */
/*
if (connpoint_is_autogap(conn->endpoint_handles[0].connected_to) ||
connpoint_is_autogap(conn->endpoint_handles[1].connected_to)) {
connection_adjust_for_autogap(conn);
}
*/
obj->position = conn->endpoints[0];
mbr->pm_handle.pos = mbr->pm;
connection_update_handles(conn);
connection_update_boundingbox(conn);
/* text width */
text=compute_text(mbr);
mbr->text_width = dia_font_string_width(text, mbr_font, MBR_DECFONTHEIGHT);
mbr->text_ascent = dia_font_ascent(text, mbr_font, MBR_DECFONTHEIGHT);
/* endpoint */
p1 = conn->endpoints[0];
p2 = conn->endpoints[1];
/* bezier */
compute_line(&p1,&p2,&mbr->pm,mbr->line);
/* Add boundingbox for mid decoration (slightly overestimated) : */
p3.x=mbr->pm.x-MBR_DEC_SIZE;
p3.y=mbr->pm.y-MBR_DEC_SIZE;
p4.x=p3.x+MBR_DEC_SIZE*2;
p4.y=p3.y+MBR_DEC_SIZE*2;
rect.left=p3.x;
rect.right=p4.x;
rect.top=p3.y;
rect.bottom=p4.y;
rectangle_union(&obj->bounding_box, &rect);
/* Add boundingbox for text: */
rect.left = mbr->pm.x-mbr->text_width/2;
rect.right = rect.left + mbr->text_width;
rect.top = mbr->pm.y - mbr->text_ascent;
rect.bottom = rect.top + MBR_DECFONTHEIGHT;
rectangle_union(&obj->bounding_box, &rect);
g_free(text); /* free auxilliary text */
}
static DiaObject *
note_create(Point *startpoint,
void *user_data,
Handle **handle1,
Handle **handle2)
{
Note *note;
Element *elem;
DiaObject *obj;
Point p;
DiaFont *font;
int i;
note = g_malloc0(sizeof(Note));
elem = ¬e->element;
obj = &elem->object;
obj->type = ¬e_type;
obj->ops = ¬e_ops;
elem->corner = *startpoint;
note->line_width = attributes_get_default_linewidth();
note->line_color = attributes_get_foreground();
note->fill_color = attributes_get_background();
font = dia_font_new_from_style (DIA_FONT_MONOSPACE, 0.8);
p = *startpoint;
p.x += note->line_width/2.0 + NOTE_MARGIN_X;
p.y += note->line_width/2.0 + NOTE_CORNER + dia_font_ascent("A",font, 0.8);
note->text = new_text("", font, 0.8, &p, &color_black, ALIGN_LEFT);
dia_font_unref(font);
element_init(elem, 8, NUM_CONNECTIONS);
for (i=0;i<NUM_CONNECTIONS;i++) {
obj->connections[i] = ¬e->connections[i];
note->connections[i].object = obj;
note->connections[i].connected = NULL;
}
note->connections[NUM_CONNECTIONS-1].flags = CP_FLAGS_MAIN;
elem->extra_spacing.border_trans = note->line_width/2.0;
note_update_data(note);
for (i=0;i<8;i++) {
obj->handles[i]->type = HANDLE_NON_MOVABLE;
}
*handle1 = NULL;
*handle2 = NULL;
return ¬e->element.object;
}
static void
constraint_update_data(Constraint *constraint)
{
Connection *conn = &constraint->connection;
DiaObject *obj = &conn->object;
Rectangle rect;
LineBBExtras *extra;
if ((constraint->text) && (constraint->text[0] == '{')) {
/* we might have a string loaded from an older dia. Clean it up. */
g_free(constraint->brtext);
constraint->brtext = constraint->text;
constraint->text = bracketted_to_string(constraint->text,"{","}");
} else if (!constraint->brtext) {
constraint->brtext = string_to_bracketted(constraint->text, "{", "}");
}
if (connpoint_is_autogap(conn->endpoint_handles[0].connected_to) ||
connpoint_is_autogap(conn->endpoint_handles[1].connected_to)) {
connection_adjust_for_autogap(conn);
}
obj->position = conn->endpoints[0];
constraint->text_width = dia_font_string_width(constraint->brtext,
constraint->font,
constraint->font_height);
constraint->text_handle.pos = constraint->text_pos;
connection_update_handles(conn);
/* Boundingbox: */
extra = &conn->extra_spacing;
extra->start_long =
extra->start_trans =
extra->end_long = constraint->line_width/2.0;
extra->end_trans = MAX(constraint->line_width,CONSTRAINT_ARROWLEN)/2.0;
connection_update_boundingbox(conn);
/* Add boundingbox for text: */
rect.left = constraint->text_pos.x;
rect.right = rect.left + constraint->text_width;
rect.top = constraint->text_pos.y -
dia_font_ascent(constraint->brtext,
constraint->font, constraint->font_height);
rect.bottom = rect.top + constraint->font_height;
rectangle_union(&obj->bounding_box, &rect);
}
/*! Not in the object interface but very important anyway. Used to recalculate the object data after a change */
static void
measure_update_data (Measure *measure)
{
Connection *conn = &measure->connection;
DiaObject *obj = &measure->connection.object;
real value;
Point *ends = measure->connection.endpoints;
LineBBExtras *extra = &conn->extra_spacing;
Rectangle bbox;
Arrow arrow = MEASURE_ARROW(measure);
real ascent, width;
g_return_if_fail (obj->handles != NULL);
connection_update_handles(conn);
extra->start_trans =
extra->end_trans =
extra->start_long =
extra->end_long = (measure->line_width / 2.0);
g_free (measure->name);
value = distance_point_point (&ends[0], &ends[1]);
value *= measure->scale;
value *= (28.346457 / units[measure->unit].factor);
measure->name = g_strdup_printf ("%.*g %s", measure->precision, value, units[measure->unit].unit);
ascent = dia_font_ascent (measure->name, measure->font, measure->font_height);
width = dia_font_string_width (measure->name, measure->font, measure->font_height);
measure->text_pos.x = (ends[0].x + ends[1].x) / 2;
measure->text_pos.y = (ends[0].y + ends[1].y) / 2;
/* for horizontal we could try to center over the line */
line_bbox (&ends[0], &ends[0], &conn->extra_spacing,&conn->object.bounding_box);
arrow_bbox (&arrow, measure->line_width, &ends[0], &ends[1], &bbox);
rectangle_union(&obj->bounding_box, &bbox);
arrow_bbox (&arrow, measure->line_width, &ends[1], &ends[0], &bbox);
rectangle_union(&obj->bounding_box, &bbox);
bbox.left = measure->text_pos.x;
bbox.top = measure->text_pos.y - ascent;
bbox.bottom = bbox.top + measure->font_height;
bbox.right = bbox.left + width;
rectangle_union(&obj->bounding_box, &bbox);
obj->position = conn->endpoints[0];
}
static void expand_bbox_for_text(Rectangle* bbox,
Point* text_pos,
gchar* text)
{
Rectangle text_box;
real text_width;
text_width = dia_font_string_width(text, transition_font,
TRANSITION_FONTHEIGHT);
text_box.left = text_pos->x - text_width/2;
text_box.right = text_box.left + text_width;
text_box.top = text_pos->y - dia_font_ascent(text, transition_font,
TRANSITION_FONTHEIGHT);
text_box.bottom = text_box.top + TRANSITION_FONTHEIGHT;
rectangle_union(bbox, &text_box);
}
/* Text block definition */
static void
textblock_get_boundingbox(Block *block, Point *relpos,
Boolequation *booleq, Rectangle *rect)
{
g_assert(block);
g_assert(block->type == BLOCK_TEXT);
block->pos = *relpos;
block->bl.x = block->pos.x;
block->bl.y = block->pos.y + dia_font_descent(block->d.text,
booleq->font,
booleq->fontheight);
block->ur.y = block->pos.y - dia_font_ascent(block->d.text,
booleq->font,
booleq->fontheight);
block->ur.x = block->bl.x + dia_font_string_width(block->d.text,
booleq->font,
booleq->fontheight);
rect->left = block->bl.x;
rect->top = block->ur.y;
rect->bottom = block->bl.y;
rect->right = block->ur.x;
}
static void
dependency_update_data(Dependency *dep)
{
OrthConn *orth = &dep->orth;
DiaObject *obj = &orth->object;
PolyBBExtras *extra = &orth->extra_spacing;
int num_segm, i;
Point *points;
Rectangle rect;
orthconn_update_data(orth);
dep->stereotype = remove_stereotype_from_string(dep->stereotype);
if (!dep->st_stereotype) {
dep->st_stereotype = string_to_stereotype(dep->stereotype);
}
dep->text_width = 0.0;
if (dep->name)
dep->text_width = dia_font_string_width(dep->name, dep_font,
DEPENDENCY_FONTHEIGHT);
if (dep->stereotype)
dep->text_width = MAX(dep->text_width,
dia_font_string_width(dep->stereotype, dep_font,
DEPENDENCY_FONTHEIGHT));
extra->start_trans =
extra->start_long =
extra->middle_trans = DEPENDENCY_WIDTH/2.0;
extra->end_trans =
extra->end_long = (dep->draw_arrow?
(DEPENDENCY_WIDTH + DEPENDENCY_ARROWLEN)/2.0:
DEPENDENCY_WIDTH/2.0);
orthconn_update_boundingbox(orth);
/* Calc text pos: */
num_segm = dep->orth.numpoints - 1;
points = dep->orth.points;
i = num_segm / 2;
if ((num_segm % 2) == 0) { /* If no middle segment, use horizontal */
if (dep->orth.orientation[i]==VERTICAL)
i--;
}
switch (dep->orth.orientation[i]) {
case HORIZONTAL:
dep->text_align = ALIGN_CENTER;
dep->text_pos.x = 0.5*(points[i].x+points[i+1].x);
dep->text_pos.y = points[i].y;
if (dep->name)
dep->text_pos.y -= dia_font_descent(dep->name,
dep_font,
DEPENDENCY_FONTHEIGHT);
break;
case VERTICAL:
dep->text_align = ALIGN_LEFT;
dep->text_pos.x = points[i].x + 0.1;
dep->text_pos.y =
0.5*(points[i].y+points[i+1].y);
if (dep->name)
dep->text_pos.y -= dia_font_descent(dep->name,
dep_font,
DEPENDENCY_FONTHEIGHT);
break;
}
/* Add the text recangle to the bounding box: */
rect.left = dep->text_pos.x;
if (dep->text_align == ALIGN_CENTER)
rect.left -= dep->text_width/2.0;
rect.right = rect.left + dep->text_width;
rect.top = dep->text_pos.y;
if (dep->name)
rect.top -= dia_font_ascent(dep->name,
dep_font,
DEPENDENCY_FONTHEIGHT);
rect.bottom = rect.top + 2*DEPENDENCY_FONTHEIGHT;
rectangle_union(&obj->bounding_box, &rect);
}
static void
realizes_update_data(Realizes *realize)
{
OrthConn *orth = &realize->orth;
DiaObject *obj = &orth->object;
int num_segm, i;
Point *points;
Rectangle rect;
PolyBBExtras *extra;
orthconn_update_data(orth);
realize->text_width = 0.0;
realize->stereotype = remove_stereotype_from_string(realize->stereotype);
if (!realize->st_stereotype) {
realize->st_stereotype = string_to_stereotype(realize->stereotype);
}
if (realize->name)
realize->text_width = dia_font_string_width(realize->name, realize_font,
REALIZES_FONTHEIGHT);
if (realize->stereotype)
realize->text_width = MAX(realize->text_width,
dia_font_string_width(realize->stereotype,
realize_font,
REALIZES_FONTHEIGHT));
extra = &orth->extra_spacing;
extra->start_trans = REALIZES_WIDTH/2.0 + REALIZES_TRIANGLESIZE;
extra->start_long =
extra->middle_trans =
extra->end_trans =
extra->end_long = REALIZES_WIDTH/2.0;
orthconn_update_boundingbox(orth);
/* Calc text pos: */
num_segm = realize->orth.numpoints - 1;
points = realize->orth.points;
i = num_segm / 2;
if ((num_segm % 2) == 0) { /* If no middle segment, use horizontal */
if (realize->orth.orientation[i]==VERTICAL)
i--;
}
switch (realize->orth.orientation[i]) {
case HORIZONTAL:
realize->text_align = ALIGN_CENTER;
realize->text_pos.x = 0.5*(points[i].x+points[i+1].x);
realize->text_pos.y = points[i].y;
if (realize->name)
realize->text_pos.y -=
dia_font_descent(realize->name,realize_font, REALIZES_FONTHEIGHT);
break;
case VERTICAL:
realize->text_align = ALIGN_LEFT;
realize->text_pos.x = points[i].x + 0.1;
realize->text_pos.y = 0.5*(points[i].y+points[i+1].y);
if (realize->name)
realize->text_pos.y -=
dia_font_descent(realize->name, realize_font, REALIZES_FONTHEIGHT);
break;
}
/* Add the text recangle to the bounding box: */
rect.left = realize->text_pos.x;
if (realize->text_align == ALIGN_CENTER)
rect.left -= realize->text_width/2.0;
rect.right = rect.left + realize->text_width;
rect.top = realize->text_pos.y;
if (realize->name)
rect.top -= dia_font_ascent(realize->name,realize_font, REALIZES_FONTHEIGHT);
rect.bottom = rect.top + 2*REALIZES_FONTHEIGHT;
rectangle_union(&obj->bounding_box, &rect);
}
static void
attribute_draw(Attribute *attribute, DiaRenderer *renderer)
{
DiaRendererClass *renderer_ops = DIA_RENDERER_GET_CLASS (renderer);
Point center;
Point start, end;
Point p;
Element *elem;
real width;
assert(attribute != NULL);
assert(renderer != NULL);
elem = &attribute->element;
center.x = elem->corner.x + elem->width/2;
center.y = elem->corner.y + elem->height/2;
renderer_ops->set_fillstyle(renderer, FILLSTYLE_SOLID);
renderer_ops->fill_ellipse(renderer, ¢er,
elem->width, elem->height,
&attribute->inner_color);
renderer_ops->set_linewidth(renderer, attribute->border_width);
if (attribute->derived) {
renderer_ops->set_linestyle(renderer, LINESTYLE_DASHED);
renderer_ops->set_dashlength(renderer, 0.3);
} else {
renderer_ops->set_linestyle(renderer, LINESTYLE_SOLID);
}
renderer_ops->draw_ellipse(renderer, ¢er,
elem->width, elem->height,
&attribute->border_color);
if(attribute->multivalue) {
renderer_ops->draw_ellipse(renderer, ¢er,
elem->width - 2*MULTIVALUE_BORDER_WIDTH_X,
elem->height - 2*MULTIVALUE_BORDER_WIDTH_Y,
&attribute->border_color);
}
p.x = elem->corner.x + elem->width / 2.0;
p.y = elem->corner.y + (elem->height - attribute->font_height)/2.0 +
dia_font_ascent(attribute->name,
attribute->font, attribute->font_height);
renderer_ops->set_font(renderer, attribute->font, attribute->font_height);
renderer_ops->draw_string(renderer, attribute->name,
&p, ALIGN_CENTER,
&color_black);
if (attribute->key || attribute->weakkey) {
if (attribute->weakkey) {
renderer_ops->set_linestyle(renderer, LINESTYLE_DASHED);
renderer_ops->set_dashlength(renderer, 0.3);
} else {
renderer_ops->set_linestyle(renderer, LINESTYLE_SOLID);
}
width = dia_font_string_width(attribute->name,
attribute->font, attribute->font_height);
start.x = center.x - width / 2;
start.y = center.y + 0.4;
end.x = center.x + width / 2;
end.y = center.y + 0.4;
renderer_ops->draw_line(renderer, &start, &end, &color_black);
}
}
static void
association_set_state(Association *assoc, AssociationState *state)
{
int i;
AssociationEnd *end;
g_free(assoc->name);
assoc->name = state->name;
assoc->text_width = 0.0;
assoc->ascent = 0.0;
assoc->descent = 0.0;
if (assoc->name != NULL) {
assoc->text_width =
dia_font_string_width(assoc->name, assoc_font, ASSOCIATION_FONTHEIGHT);
assoc->ascent =
dia_font_ascent(assoc->name, assoc_font, ASSOCIATION_FONTHEIGHT);
assoc->descent =
dia_font_descent(assoc->name, assoc_font, ASSOCIATION_FONTHEIGHT);
}
assoc->direction = state->direction;
for (i=0;i<2;i++) {
end = &assoc->end[i];
g_free(end->role);
g_free(end->multiplicity);
end->role = state->end[i].role;
end->multiplicity = state->end[i].multiplicity;
end->arrow = state->end[i].arrow;
end->aggregate = state->end[i].aggregate;
end->visibility = state->end[i].visibility;
end->text_width = 0.0;
end->role_ascent = 0.0;
end->role_descent = 0.0;
end->multi_ascent = 0.0;
end->multi_descent = 0.0;
if (end->role != NULL && *end->role) {
end->text_width =
dia_font_string_width(end->role, assoc_font, ASSOCIATION_FONTHEIGHT);
end->role_ascent =
dia_font_ascent(end->role, assoc_font, ASSOCIATION_FONTHEIGHT);
end->role_descent =
dia_font_ascent(end->role, assoc_font, ASSOCIATION_FONTHEIGHT);
}
if (end->multiplicity != NULL) {
end->text_width = MAX(end->text_width,
dia_font_string_width(end->multiplicity,
assoc_font,
ASSOCIATION_FONTHEIGHT) );
end->role_ascent = dia_font_ascent(end->multiplicity,
assoc_font,ASSOCIATION_FONTHEIGHT);
end->role_descent = dia_font_descent(end->multiplicity,
assoc_font,ASSOCIATION_FONTHEIGHT);
}
}
g_free(state);
association_update_data(assoc);
}
