GraphObjectChange *Ellipse::moveHandle(Handle *handle,
Point *to,
HandleMoveReason reason)
{
Element *elem = this;
Point nw_to;
Point se_to;
if (handle == NULL)
return NULL;
if (to == NULL)
return NULL;
if (handle->id() >= 8 && handle->id() != HANDLE_CUSTOM1)
return NULL;
if (handle->id() == HANDLE_CUSTOM1) {
Point delta;
Point corner_to;
delta.setX( to->x() - (elem->corner().x() + elem->width() / 2) );
delta.setY( to->y() - (elem->corner().y() + elem->height() / 2) );
corner_to.setX( elem->corner().x() + delta.x() );
corner_to.setY( elem->corner().y() + delta.y() );
return move(&corner_to);
} else {
if (m_data->aspectType != FREE_ASPECT){
double width;
double height;
double new_width;
double new_height;
double to_width;
double aspect_width;
Point center;
width = elem->width();
height = elem->height();
center.setX( elem->corner().x() + width / 2 );
center.setY( 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.setX( center.x() - new_width / 2 );
nw_to.setY( center.y() - new_height / 2 );
se_to.setX( center.x() + new_width / 2 );
se_to.setY( center.y() + new_height / 2 );
elem->moveHandle(HANDLE_RESIZE_NW, &nw_to, reason);
elem->moveHandle(HANDLE_RESIZE_SE, &se_to, reason);
} else {
Point center;
Point opposite_to;
center.setX( elem->corner().x() + elem->width() / 2 );
center.setY( elem->corner().y() + elem->height() / 2 );
opposite_to.setX( center.x() - (to->x() - center.x()) );
opposite_to.setY( center.y() - (to->y() - center.y()) );
elem->moveHandle(handle->id(), to, reason);
elem->moveHandle(HandleId(7 - handle->id()), &opposite_to, reason);
}
updateData();
return NULL;
}
}
bool ppCond::Check(int token, const std::string &line, int lineno)
{
std::string line1 = line;
switch(token)
{
case ELSE:
HandleElse(line1);
break;
case ENDIF:
HandleEndIf(line1);
break;
case IF:
define->replaceDefined(line1);
define->Process(line1);
HandleIf(expr.Eval(line1), line1, lineno);
break;
case ELIF:
define->replaceDefined(line1);
define->Process(line1);
HandleElif(expr.Eval(line1), line1);
break;
case IFDEF:
HandleDef(line1, false, false, lineno);
break;
case IFNDEF:
HandleDef(line1, false, true, lineno);
break;
case ELIFDEF:
HandleDef(line1, true, false, lineno);
break;
case ELIFNDEF:
HandleDef(line1, true, true, lineno);
break;
case IFIDN:
HandleIdn(line1, false, false, true, lineno);
break;
case ELIFIDN:
HandleIdn(line1, true, false, true, lineno);
break;
case IFNIDN:
HandleIdn(line1, false, true, true, lineno);
break;
case ELIFNIDN:
HandleIdn(line1, true, true, true, lineno);
break;
case IFIDNI:
HandleIdn(line1, false, false, false, lineno);
break;
case ELIFIDNI:
HandleIdn(line1, true, false, false, lineno);
break;
case IFNIDNI:
HandleIdn(line1, false, true, false, lineno);
break;
case ELIFNIDNI:
HandleIdn(line1, true, true, false, lineno);
break;
case IFID:
HandleId(line1, false, false, lineno);
break;
case ELIFID:
HandleId(line1, true, false, lineno);
break;
case IFNID:
HandleId(line1, false, true, lineno);
break;
case ELIFNID:
HandleId(line1, true, true, lineno);
break;
case IFNUM:
HandleNum(line1, false, false, lineno);
break;
case ELIFNUM:
HandleNum(line1, true, false, lineno);
break;
case IFNNUM:
HandleNum(line1, false, true, lineno);
break;
case ELIFNNUM:
HandleNum(line1, true, true, lineno);
break;
case IFSTR:
HandleStr(line1, false, false, lineno);
break;
case ELIFSTR:
HandleStr(line1, true, false, lineno);
break;
case IFNSTR:
HandleStr(line1, false, true, lineno);
break;
case ELIFNSTR:
HandleStr(line1, true, true, lineno);
break;
case IFCTX:
HandleCtx(line1, false, false, lineno);
break;
case ELIFCTX:
HandleCtx(line1, true, false, lineno);
break;
case IFNCTX:
HandleCtx(line1, false, true, lineno);
break;
case ELIFNCTX:
HandleCtx(line1, true, true, lineno);
break;
default:
return current && current->skipping;
}
return true;
}