static void
box_update_data(Box *box, AnchorShape horiz, AnchorShape vert)
{
Element *elem = &box->element;
ElementBBExtras *extra = &elem->extra_spacing;
DiaObject *obj = &elem->object;
Point center, bottom_right;
Point p;
real radius;
real width, height;
/* save starting points */
center = bottom_right = elem->corner;
center.x += elem->width/2;
bottom_right.x += elem->width;
center.y += elem->height/2;
bottom_right.y += elem->height;
text_calc_boundingbox(box->text, NULL);
width = box->text->max_width + box->padding*2 + box->border_width;
height = box->text->height * box->text->numlines + box->padding*2 +
box->border_width;
/*
* If elem->width (e.g. the new requested dimensions of this object
* from move_handle()) is smaller than the minimum width (i.e. the
* width calculated from text-width, padding and border), then
* set the width to the minimum. Or else;)
*/
if (box->text_fitting != TEXTFIT_NEVER) {
if ( box->text_fitting == TEXTFIT_ALWAYS
|| width > elem->width)
elem->width = width;
if ( box->text_fitting == TEXTFIT_ALWAYS
|| height > elem->height)
elem->height = height;
}
/* move shape if necessary ... */
switch (horiz) {
case ANCHOR_MIDDLE:
elem->corner.x = center.x - elem->width/2; break;
case ANCHOR_END:
elem->corner.x = bottom_right.x - elem->width; break;
default:
break;
}
switch (vert) {
case ANCHOR_MIDDLE:
elem->corner.y = center.y - elem->height/2; break;
case ANCHOR_END:
elem->corner.y = bottom_right.y - elem->height; break;
default:
break;
}
p = elem->corner;
p.x += elem->width / 2.0;
p.y += elem->height / 2.0 - box->text->height * box->text->numlines / 2 +
box->text->ascent;
switch (box->text->alignment) {
case ALIGN_LEFT:
p.x -= (elem->width - box->padding*2 + box->border_width)/2;
break;
case ALIGN_RIGHT:
p.x += (elem->width - box->padding*2 + box->border_width)/2;
break;
case ALIGN_CENTER:
break;
}
text_set_position(box->text, &p);
radius = box->corner_radius;
radius = MIN(radius, elem->width/2);
radius = MIN(radius, elem->height/2);
radius *= (1-M_SQRT1_2);
/* Update connections: */
connpoint_update(&box->connections[0],
elem->corner.x + radius,
elem->corner.y + radius,
DIR_NORTHWEST);
connpoint_update(&box->connections[1],
elem->corner.x + elem->width / 4.0,
elem->corner.y,
DIR_NORTH);
connpoint_update(&box->connections[2],
elem->corner.x + elem->width / 2.0,
elem->corner.y,
DIR_NORTH);
connpoint_update(&box->connections[3],
elem->corner.x + elem->width * 3.0 / 4.0,
elem->corner.y,
DIR_NORTH);
connpoint_update(&box->connections[4],
elem->corner.x + elem->width - radius,
elem->corner.y + radius,
DIR_NORTHEAST);
connpoint_update(&box->connections[5],
elem->corner.x,
elem->corner.y + elem->height / 4.0,
DIR_WEST);
connpoint_update(&box->connections[6],
elem->corner.x + elem->width,
elem->corner.y + elem->height / 4.0,
DIR_EAST);
connpoint_update(&box->connections[7],
elem->corner.x,
elem->corner.y + elem->height / 2.0,
DIR_WEST);
connpoint_update(&box->connections[8],
elem->corner.x + elem->width,
elem->corner.y + elem->height / 2.0,
DIR_EAST);
connpoint_update(&box->connections[9],
elem->corner.x,
elem->corner.y + elem->height * 3.0 / 4.0,
DIR_WEST);
connpoint_update(&box->connections[10],
elem->corner.x + elem->width,
elem->corner.y + elem->height * 3.0 / 4.0,
DIR_EAST);
connpoint_update(&box->connections[11],
elem->corner.x + radius,
elem->corner.y + elem->height - radius,
DIR_SOUTHWEST);
connpoint_update(&box->connections[12],
elem->corner.x + elem->width / 4.0,
elem->corner.y + elem->height,
DIR_SOUTH);
connpoint_update(&box->connections[13],
elem->corner.x + elem->width / 2.0,
elem->corner.y + elem->height,
DIR_SOUTH);
connpoint_update(&box->connections[14],
elem->corner.x + elem->width * 3.0 / 4.0,
elem->corner.y + elem->height,
DIR_SOUTH);
connpoint_update(&box->connections[15],
elem->corner.x + elem->width - radius,
elem->corner.y + elem->height - radius,
DIR_SOUTHEAST);
connpoint_update(&box->connections[16],
elem->corner.x + elem->width / 2,
elem->corner.y + elem->height / 2,
DIR_ALL);
extra->border_trans = box->border_width / 2.0;
element_update_boundingbox(elem);
obj->position = elem->corner;
element_update_handles(elem);
if (radius > 0.0) {
/* Fix the handles, too */
elem->resize_handles[0].pos.x += radius;
elem->resize_handles[0].pos.y += radius;
elem->resize_handles[2].pos.x -= radius;
elem->resize_handles[2].pos.y += radius;
elem->resize_handles[5].pos.x += radius;
elem->resize_handles[5].pos.y -= radius;
elem->resize_handles[7].pos.x -= radius;
elem->resize_handles[7].pos.y -= radius;
}
}
static void
ellipse_update_data(Ellipse *ellipse, AnchorShape horiz, AnchorShape vert)
{
Element *elem = &ellipse->element;
ElementBBExtras *extra = &elem->extra_spacing;
DiaObject *obj = &elem->object;
Point center, bottom_right;
Point p, c;
real dw, dh;
real width, height;
real radius1, radius2;
int i;
/* save starting points */
center = bottom_right = elem->corner;
center.x += elem->width/2;
bottom_right.x += elem->width;
center.y += elem->height/2;
bottom_right.y += elem->height;
text_calc_boundingbox(ellipse->text, NULL);
width = ellipse->text->max_width + 2 * ellipse->padding;
height = ellipse->text->height * ellipse->text->numlines +
2 * ellipse->padding;
/* stop ellipse from getting infinite width/height */
if (elem->width / elem->height > 4)
elem->width = elem->height * 4;
else if (elem->height / elem->width > 4)
elem->height = elem->width * 4;
c.x = elem->corner.x + elem->width / 2;
c.y = elem->corner.y + elem->height / 2;
p.x = c.x - width / 2;
p.y = c.y - height / 2;
radius1 = ellipse_radius(ellipse, p.x, p.y) - ellipse->border_width/2;
radius2 = distance_point_point(&c, &p);
if ( radius1 < radius2
&& ( ellipse->text_fitting == TEXTFIT_ALWAYS
|| ellipse->text_fitting == TEXTFIT_WHEN_NEEDED)) {
/* increase size of the ellipse while keeping its aspect ratio */
elem->width *= radius2 / radius1;
elem->height *= radius2 / radius1;
}
/* move shape if necessary ... */
switch (horiz) {
case ANCHOR_MIDDLE:
elem->corner.x = center.x - elem->width/2; break;
case ANCHOR_END:
elem->corner.x = bottom_right.x - elem->width; break;
default:
break;
}
switch (vert) {
case ANCHOR_MIDDLE:
elem->corner.y = center.y - elem->height/2; break;
case ANCHOR_END:
elem->corner.y = bottom_right.y - elem->height; break;
default:
break;
}
p = elem->corner;
p.x += elem->width / 2.0;
p.y += elem->height / 2.0 - ellipse->text->height*ellipse->text->numlines/2 +
ellipse->text->ascent;
switch (ellipse->text->alignment) {
case ALIGN_LEFT:
p.x -= (elem->width - 2*(ellipse->padding + ellipse->border_width))/2;
break;
case ALIGN_RIGHT:
p.x += (elem->width - 2*(ellipse->padding + ellipse->border_width))/2;
break;
case ALIGN_CENTER:
break;
}
text_set_position(ellipse->text, &p);
/* Update connections: */
c.x = elem->corner.x + elem->width / 2;
c.y = elem->corner.y + elem->height / 2;
dw = elem->width / 2.0;
dh = elem->height / 2.0;
for (i = 0; i < NUM_CONNECTIONS-1; i++) {
real theta = M_PI / 8.0 * i;
real costheta = cos(theta);
real sintheta = sin(theta);
connpoint_update(&ellipse->connections[i],
c.x + dw * costheta,
c.y - dh * sintheta,
(costheta > .5?DIR_EAST:(costheta < -.5?DIR_WEST:0))|
(sintheta > .5?DIR_NORTH:(sintheta < -.5?DIR_SOUTH:0)));
}
connpoint_update(&ellipse->connections[16],
c.x, c.y, DIR_ALL);
extra->border_trans = ellipse->border_width / 2.0;
element_update_boundingbox(elem);
obj->position = elem->corner;
element_update_handles(elem);
}
static void
attribute_update_data(Attribute *attribute)
{
Element *elem = &attribute->element;
DiaObject *obj = &elem->object;
Point center;
ElementBBExtras *extra = &elem->extra_spacing;
real half_x, half_y;
attribute->name_width =
dia_font_string_width(attribute->name,
attribute->font, attribute->font_height);
elem->width = attribute->name_width + 2*TEXT_BORDER_WIDTH_X;
elem->height = attribute->font_height + 2*TEXT_BORDER_WIDTH_Y;
center.x = elem->corner.x + elem->width / 2.0;
center.y = elem->corner.y + elem->height / 2.0;
half_x = elem->width * M_SQRT1_2 / 2.0;
half_y = elem->height * M_SQRT1_2 / 2.0;
/* Update connections: */
connpoint_update(&attribute->connections[0],
center.x - half_x,
center.y - half_y,
DIR_NORTHWEST);
connpoint_update(&attribute->connections[1],
center.x,
elem->corner.y,
DIR_NORTH);
connpoint_update(&attribute->connections[2],
center.x + half_x,
center.y - half_y,
DIR_NORTHEAST);
connpoint_update(&attribute->connections[3],
elem->corner.x,
center.y,
DIR_WEST);
connpoint_update(&attribute->connections[4],
elem->corner.x + elem->width,
elem->corner.y + elem->height / 2.0,
DIR_EAST);
connpoint_update(&attribute->connections[5],
center.x - half_x,
center.y + half_y,
DIR_SOUTHWEST);
connpoint_update(&attribute->connections[6],
elem->corner.x + elem->width / 2.0,
elem->corner.y + elem->height,
DIR_SOUTH);
connpoint_update(&attribute->connections[7],
center.x + half_x,
center.y + half_y,
DIR_SOUTHEAST);
connpoint_update(&attribute->connections[8],
center.x,
center.y,
DIR_ALL);
extra->border_trans = attribute->border_width/2.0;
element_update_boundingbox(elem);
obj->position = elem->corner;
element_update_handles(elem);
}
static void
pgram_update_data(Pgram *pgram, AnchorShape horiz, AnchorShape vert)
{
Element *elem = &pgram->element;
ElementBBExtras *extra = &elem->extra_spacing;
DiaObject *obj = &elem->object;
Point center, bottom_right;
Point p;
real offs;
real width, height;
real avail_width;
real top_left;
/* save starting points */
center = bottom_right = elem->corner;
center.x += elem->width/2;
bottom_right.x += elem->width;
center.y += elem->height/2;
bottom_right.y += elem->height;
/* this takes the shearing of the parallelogram into account, so the
* text can be extend to the edges of the parallelogram */
text_calc_boundingbox(pgram->text, NULL);
height = pgram->text->height * pgram->text->numlines + pgram->padding*2 +
pgram->border_width;
if ( pgram->text_fitting == TEXTFIT_ALWAYS
|| (pgram->text_fitting == TEXTFIT_WHEN_NEEDED
&& height > elem->height))
elem->height = height;
avail_width = elem->width - (pgram->padding*2 + pgram->border_width +
fabs(pgram->shear_grad) * (elem->height + pgram->text->height
* pgram->text->numlines));
if ( pgram->text_fitting == TEXTFIT_ALWAYS
|| (pgram->text_fitting == TEXTFIT_WHEN_NEEDED
&& avail_width < pgram->text->max_width)) {
elem->width = (elem->width-avail_width) + pgram->text->max_width;
avail_width = pgram->text->max_width;
}
/*
width = pgram->text->max_width + pgram->padding*2 + pgram->border_width +
fabs(pgram->shear_grad) * (elem->height + pgram->text->height
* pgram->text->numlines);
if (width > elem->width) elem->width = width;
*/
/* move shape if necessary ... */
switch (horiz) {
case ANCHOR_MIDDLE:
elem->corner.x = center.x - elem->width/2; break;
case ANCHOR_END:
elem->corner.x = bottom_right.x - elem->width; break;
default:
break;
}
switch (vert) {
case ANCHOR_MIDDLE:
elem->corner.y = center.y - elem->height/2; break;
case ANCHOR_END:
elem->corner.y = bottom_right.y - elem->height; break;
default:
break;
}
p = elem->corner;
p.x += elem->width / 2.0;
p.y += elem->height / 2.0 - pgram->text->height * pgram->text->numlines / 2 +
pgram->text->ascent;
switch (pgram->text->alignment) {
case ALIGN_LEFT:
p.x -= avail_width/2;
break;
case ALIGN_RIGHT:
p.x += avail_width/2;
break;
case ALIGN_CENTER:
break;
}
text_set_position(pgram->text, &p);
/* 1/4 of how much more to the left the bottom line is */
offs = -(elem->height / 4.0 * pgram->shear_grad);
width = elem->width - 4.0*fabs(offs);
top_left = elem->corner.x;
if (offs < 0.0) {
top_left -= 4*offs;
}
/* Update connections: */
connpoint_update(&pgram->connections[0],
top_left,
elem->corner.y,
DIR_NORTHWEST);
connpoint_update(&pgram->connections[1],
top_left + width / 4.0,
elem->corner.y,
DIR_NORTH);
connpoint_update(&pgram->connections[2],
top_left + width / 2.0,
elem->corner.y,
DIR_NORTH);
connpoint_update(&pgram->connections[3],
top_left + width * 3.0 / 4.0,
elem->corner.y,
DIR_NORTH);
connpoint_update(&pgram->connections[4],
top_left + width,
elem->corner.y,
DIR_NORTHEAST);
connpoint_update(&pgram->connections[5],
top_left + offs,
elem->corner.y + elem->height / 4.0,
DIR_WEST);
connpoint_update(&pgram->connections[6],
top_left + width + offs,
elem->corner.y + elem->height / 4.0,
DIR_EAST);
connpoint_update(&pgram->connections[7],
top_left + 2.0 * offs,
elem->corner.y + elem->height / 2.0,
DIR_WEST);
connpoint_update(&pgram->connections[8],
top_left + width + 2.0 * offs,
elem->corner.y + elem->height / 2.0,
DIR_EAST);
connpoint_update(&pgram->connections[9],
top_left + 3.0 * offs,
elem->corner.y + elem->height * 3.0 / 4.0,
DIR_WEST);
connpoint_update(&pgram->connections[10],
top_left + width + 3.0 * offs,
elem->corner.y + elem->height * 3.0 / 4.0,
DIR_EAST);
connpoint_update(&pgram->connections[11],
top_left + 4.0 * offs,
elem->corner.y + elem->height,
DIR_SOUTHWEST);
connpoint_update(&pgram->connections[12],
top_left + 4.0 * offs + width / 4.0,
elem->corner.y + elem->height,
DIR_SOUTH);
connpoint_update(&pgram->connections[13],
top_left + 4.0 * offs + width / 2.0,
elem->corner.y + elem->height,
DIR_SOUTH);
connpoint_update(&pgram->connections[14],
top_left + 4.0 * offs + 3.0 * width / 4.0,
elem->corner.y + elem->height,
DIR_SOUTH);
connpoint_update(&pgram->connections[15],
top_left + 4.0 * offs + width,
elem->corner.y + elem->height,
DIR_SOUTHEAST);
connpoint_update(&pgram->connections[16],
top_left + 2.0 * offs + width / 2,
elem->corner.y + elem->height / 2,
DIR_ALL);
extra->border_trans = pgram->border_width/2.0;
element_update_boundingbox(elem);
obj->position = elem->corner;
element_update_handles(elem);
}
static void
function_update_data(Function *pkg)
{
Element *elem = &pkg->element;
DiaObject *obj = &elem->object;
DiaFont *font;
Point p1;
real h, w = 0, font_height;
text_calc_boundingbox(pkg->text, NULL) ;
font = pkg->text->font ;
font_height = pkg->text->height ;
h = elem->corner.y + font_height/FUNCTION_MARGIN_Y;
if (pkg->is_user) {
h += 2*font_height/FUNCTION_MARGIN_SCALE;
}
w = MAX(w, pkg->text->max_width);
p1.y = h + pkg->text->ascent - ( pkg->is_user ? font_height/FUNCTION_MARGIN_SCALE : 0 ); /* position of text */
h += pkg->text->height*pkg->text->numlines;
h += font_height/FUNCTION_MARGIN_Y;
w += 2*font_height/FUNCTION_MARGIN_X;
p1.x = elem->corner.x + w/2.0 + ( pkg->is_user ? font_height/FUNCTION_MARGIN_SCALE : 0 );
text_set_position(pkg->text, &p1);
if (pkg->is_user) {
w += 2*font_height/FUNCTION_MARGIN_SCALE;
}
elem->width = w;
elem->height = h - elem->corner.y;
/* Update connections: */
connpoint_update(&pkg->connections[0],
elem->corner.x,
elem->corner.y,
DIR_NORTHWEST);
connpoint_update(&pkg->connections[1],
elem->corner.x + elem->width / 2.0,
elem->corner.y,
DIR_NORTH);
connpoint_update(&pkg->connections[2],
elem->corner.x + elem->width,
elem->corner.y,
DIR_NORTHEAST);
connpoint_update(&pkg->connections[3],
elem->corner.x,
elem->corner.y + elem->height / 2.0,
DIR_WEST);
connpoint_update(&pkg->connections[4],
elem->corner.x + elem->width,
elem->corner.y + elem->height / 2.0,
DIR_EAST);
connpoint_update(&pkg->connections[5],
elem->corner.x,
elem->corner.y + elem->height,
DIR_SOUTHWEST);
connpoint_update(&pkg->connections[6],
elem->corner.x + elem->width / 2.0,
elem->corner.y + elem->height,
DIR_SOUTH);
connpoint_update(&pkg->connections[7],
elem->corner.x + elem->width,
elem->corner.y + elem->height,
DIR_SOUTHEAST);
connpoint_update(&pkg->connections[8],
elem->corner.x + elem->width / 2.0,
elem->corner.y + elem->height / 2.0,
DIR_SOUTHEAST);
element_update_boundingbox(elem);
obj->position = elem->corner;
element_update_handles(elem);
}
static void
component_update_data(Component *cmp)
{
Element *elem = &cmp->element;
DiaObject *obj = &elem->object;
Point p;
real cw2, ch;
cmp->stereotype = remove_stereotype_from_string(cmp->stereotype);
if (!cmp->st_stereotype) {
cmp->st_stereotype = string_to_stereotype(cmp->stereotype);
}
text_calc_boundingbox(cmp->text, NULL);
elem->width = cmp->text->max_width + 2*COMPONENT_MARGIN_X + COMPONENT_CWIDTH;
elem->width = MAX(elem->width, 2*COMPONENT_CWIDTH);
elem->height = cmp->text->height*cmp->text->numlines +
cmp->text->descent + 0.1 + 2*COMPONENT_MARGIN_Y ;
elem->height = MAX(elem->height, 5*COMPONENT_CHEIGHT);
p = elem->corner;
p.x += COMPONENT_CWIDTH + COMPONENT_MARGIN_X;
p.y += COMPONENT_CHEIGHT;
p.y += cmp->text->ascent;
if (cmp->stereotype &&
cmp->stereotype[0] != '\0') {
p.y += cmp->text->height;
}
text_set_position(cmp->text, &p);
if (cmp->st_stereotype &&
cmp->st_stereotype[0] != '\0') {
DiaFont *font;
font = cmp->text->font;
elem->height += cmp->text->height;
elem->width = MAX(elem->width, dia_font_string_width(cmp->st_stereotype,
font, cmp->text->height) +
2*COMPONENT_MARGIN_X + COMPONENT_CWIDTH);
}
cw2 = COMPONENT_CWIDTH/2;
ch = COMPONENT_CHEIGHT;
/* Update connections: */
connpoint_update(&cmp->connections[0],
elem->corner.x + cw2,
elem->corner.y,
DIR_NORTH|DIR_WEST);
connpoint_update(&cmp->connections[1],
elem->corner.x + cw2 + (elem->width - cw2) / 2,
elem->corner.y,
DIR_NORTH);
connpoint_update(&cmp->connections[2],
elem->corner.x + elem->width,
elem->corner.y,
DIR_NORTH|DIR_EAST);
connpoint_update(&cmp->connections[3],
elem->corner.x + cw2,
elem->corner.y + elem->height / 2.0,
DIR_WEST);
connpoint_update(&cmp->connections[4],
elem->corner.x + elem->width,
elem->corner.y + elem->height / 2.0,
DIR_EAST);
connpoint_update(&cmp->connections[5],
elem->corner.x + cw2,
elem->corner.y + elem->height,
DIR_SOUTH|DIR_WEST);
connpoint_update(&cmp->connections[6],
elem->corner.x + cw2 + (elem->width - cw2)/2,
elem->corner.y + elem->height,
DIR_SOUTH);
connpoint_update(&cmp->connections[7],
elem->corner.x + elem->width,
elem->corner.y + elem->height,
DIR_SOUTH|DIR_EAST);
connpoint_update(&cmp->connections[8],
elem->corner.x,
elem->corner.y + elem->height / 2.0 - ch,
DIR_WEST);
connpoint_update(&cmp->connections[9],
elem->corner.x,
elem->corner.y + elem->height / 2.0 + ch,
DIR_WEST);
connpoint_update(&cmp->connections[10],
elem->corner.x + (elem->width-cw2)/2,
elem->corner.y + elem->height / 2.0 + ch,
DIR_ALL);
element_update_boundingbox(elem);
obj->position = elem->corner;
element_update_handles(elem);
}
static void
actor_update_data(Actor *actor, AnchorShape horiz, AnchorShape vert)
{
Element *elem = &actor->element;
DiaObject *obj = &elem->object;
ElementBBExtras *extra = &elem->extra_spacing;
Point center, bottom_right,p,c;
real width, height, dw, dh;
real radius, mradius;
int i;
center = bottom_right = elem->corner;
center.x += elem->width/2;
bottom_right.x += elem->width;
center.y += elem->height/2;
bottom_right.y += elem->height;
text_calc_boundingbox(actor->text, NULL);
width = actor->text->max_width+0.5;
height = actor->text->height * (actor->text->numlines + 3); /* added 3 blank lines for top */
/* minimal radius */
mradius=width;
if (mradius<height) mradius=height;
if (mradius<ACTOR_RADIUS) mradius=ACTOR_RADIUS;
/* radius */
radius=elem->width;
if (radius<elem->height) radius=elem->height;
/* enforce (minimal or resized) radius */
if (radius<mradius) radius=mradius;
elem->width=elem->height=radius;
/* move shape if necessary ... (untouched) */
switch (horiz) {
case ANCHOR_MIDDLE:
elem->corner.x = center.x - elem->width/2; break;
case ANCHOR_END:
elem->corner.x = bottom_right.x - elem->width; break;
default:
break;
}
switch (vert) {
case ANCHOR_MIDDLE:
elem->corner.y = center.y - elem->height/2; break;
case ANCHOR_END:
elem->corner.y = bottom_right.y - elem->height; break;
default:
break;
}
p = elem->corner;
p.x += elem->width / 2.0;
p.y += elem->height / 2.0 - actor->text->height*actor->text->numlines/2 +
actor->text->ascent;
text_set_position(actor->text, &p);
/* compute connection positions */
c.x = elem->corner.x + elem->width / 2;
c.y = elem->corner.y + elem->height / 2;
dw = elem->width / 2.0;
dh = elem->height / 2.0;
for (i = 0; i < NUM_CONNECTIONS-1; i++) {
real theta = M_PI / 8.0 * i;
real costheta = cos(theta);
real sintheta = sin(theta);
connpoint_update(&actor->connections[i],
c.x + dw * costheta,
c.y - dh * sintheta,
(costheta > .5?DIR_EAST:(costheta < -.5?DIR_WEST:0))|
(sintheta > .5?DIR_NORTH:(sintheta < -.5?DIR_SOUTH:0)));
}
actor->connections[16].pos.x = c.x;
actor->connections[16].pos.y = c.y;
extra->border_trans = ACTOR_BORDER_WIDTH / 2.0;
element_update_boundingbox(elem);
obj->position = elem->corner;
element_update_handles(elem);
}
