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/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file gpl-2.0.txt included in the
** packaging of this file.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** This copyright notice MUST APPEAR in all copies of the script!
**
**********************************************************************/
#include "rs_leader.h"
#include "rs_debug.h"
#include "rs_line.h"
#include "rs_solid.h"
/**
* Constructor.
*/
RS_Leader::RS_Leader(RS_EntityContainer* parent)
:RS_EntityContainer(parent) {
empty = true;
}
/**
* Constructor.
* @param d Leader data
*/
RS_Leader::RS_Leader(RS_EntityContainer* parent,
const RS_LeaderData& d)
:RS_EntityContainer(parent), data(d) {
empty = true;
}
/**
* Destructor
*/
RS_Leader::~RS_Leader() {}
/**
* Implementation of update. Updates the arrow.
*/
void RS_Leader::update() {
// find and delete arrow:
for (RS_Entity* e=firstEntity(); e!=NULL; e=nextEntity()) {
if (e->rtti()==RS2::EntitySolid) {
removeEntity(e);
break;
}
}
if (isUndone()) {
return;
}
RS_Entity* fe = firstEntity();
if (fe!=NULL && fe->isAtomic()) {
RS_Vector p1 = ((RS_AtomicEntity*)fe)->getStartpoint();
RS_Vector p2 = ((RS_AtomicEntity*)fe)->getEndpoint();
// first entity must be the line which gets the arrow:
if (hasArrowHead()) {
RS_Solid* s = new RS_Solid(this, RS_SolidData());
s->shapeArrow(p1,
p2.angleTo(p1),
getGraphicVariableDouble("$DIMASZ", 2.5)* getGraphicVariableDouble("$DIMSCALE", 1.0));
s->setPen(RS_Pen(RS2::FlagInvalid));
s->setLayer(NULL);
RS_EntityContainer::addEntity(s);
}
}
calculateBorders();
}
/**
* Adds a vertex from the endpoint of the last element or
* sets the startpoint to the point 'v'.
*
* The very first vertex added is the starting point.
*
* @param v vertex coordinate
*
* @return Pointer to the entity that was addded or NULL if this
* was the first vertex added.
*/
RS_Entity* RS_Leader::addVertex(const RS_Vector& v) {
RS_Entity* entity=NULL;
static RS_Vector last = RS_Vector(false);
if (empty) {
last = v;
empty = false;
} else {
// add line to the leader:
entity = new RS_Line(this, RS_LineData(last, v));
entity->setPen(RS_Pen(RS2::FlagInvalid));
entity->setLayer(NULL);
RS_EntityContainer::addEntity(entity);
if (count()==1 && hasArrowHead()) {
update();
}
last = v;
}
return entity;
}
/**
* Reimplementation of the addEntity method for a normal container.
* This reimplementation deletes the given entity!
*
* To add entities use addVertex() instead.
*/
void RS_Leader::addEntity(RS_Entity* entity) {
RS_DEBUG->print(RS_Debug::D_WARNING, "RS_Leader::addEntity:"
" should never be called");
if (entity==NULL) {
return;
}
delete entity;
}
void RS_Leader::move(const RS_Vector& offset) {
RS_EntityContainer::move(offset);
update();
}
void RS_Leader::rotate(const RS_Vector& center, const double& angle) {
RS_EntityContainer::rotate(center, angle);
update();
}
void RS_Leader::rotate(const RS_Vector& center, const RS_Vector& angleVector) {
RS_EntityContainer::rotate(center, angleVector);
update();
}
void RS_Leader::scale(const RS_Vector& center, const RS_Vector& factor) {
RS_EntityContainer::scale(center, factor);
update();
}
void RS_Leader::mirror(const RS_Vector& axisPoint1, const RS_Vector& axisPoint2) {
RS_EntityContainer::mirror(axisPoint1, axisPoint2);
update();
}
void RS_Leader::stretch(const RS_Vector& firstCorner,
const RS_Vector& secondCorner,
const RS_Vector& offset) {
RS_EntityContainer::stretch(firstCorner, secondCorner, offset);
update();
}
/**
* Dumps the leader's data to stdout.
*/
std::ostream& operator << (std::ostream& os, const RS_Leader& l) {
os << " Leader: " << l.getData() << " {\n";
os << (RS_EntityContainer&)l;
os << "\n}\n";
return os;
}
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