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**
** This file is part of the LibreCAD project, a 2D CAD program
**
Copyright (C) 2012-2015 Dongxu Li (dongxuli2011@gmail.com)
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
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.
**********************************************************************/
#include "rs_atomicentity.h"
RS_AtomicEntity::RS_AtomicEntity(RS_EntityContainer* parent) : RS_Entity(parent) {}
bool RS_AtomicEntity::isContainer() const {
return false;
}
/**
* @return true because entities made from subclasses are
* atomic entities.
*/
bool RS_AtomicEntity::isAtomic() const {
return true;
}
/**
* @return Always 1 for atomic entities.
*/
unsigned int RS_AtomicEntity::count() const{
return 1;
}
/**
* @return Always 1 for atomic entities.
*/
unsigned int RS_AtomicEntity::countDeep() const{
return 1;
}
/**
* Implementation must return the endpoint of the entity or
* an invalid vector if the entity has no endpoint.
*/
RS_Vector RS_AtomicEntity::getEndpoint() const {
return RS_Vector(false);
}
/**
* Implementation must return the startpoint of the entity or
* an invalid vector if the entity has no startpoint.
*/
RS_Vector RS_AtomicEntity::getStartpoint() const {
return RS_Vector(false);
}
/**
* Implementation must return the angle in which direction the entity starts.
*/
double RS_AtomicEntity::getDirection1() const {
return 0.0;
}
/**
* Implementation must return the angle in which direction the entity starts the opposite way.
*/
double RS_AtomicEntity::getDirection2() const {
return 0.0;
}
RS_Vector RS_AtomicEntity::getCenter() const {
return RS_Vector(false);
}
double RS_AtomicEntity::getRadius() const {
return 0.;
}
/**
* return the nearest center for snapping
* @param coord Coordinate (typically a mouse coordinate)
* @param dist Pointer to a value which will contain the measured
* distance between 'coord' and the closest center point. The passed
* pointer can also be NULL in which case the distance will be
* lost.
*
* @return The closest center point.
*/
RS_Vector RS_AtomicEntity::getNearestCenter(const RS_Vector& /*coord*/,
double* /*dist*/) const{
return RS_Vector(false);
}
/**
* (De-)selects startpoint.
*/
void RS_AtomicEntity::setStartpointSelected(bool select) {
if (select) {
setFlag(RS2::FlagSelected1);
} else {
delFlag(RS2::FlagSelected1);
}
}
/**
* (De-)selects endpoint.
*/
void RS_AtomicEntity::setEndpointSelected(bool select) {
if (select) {
setFlag(RS2::FlagSelected2);
} else {
delFlag(RS2::FlagSelected2);
}
}
bool RS_AtomicEntity::isTangent(const RS_CircleData& /* circleData */) const{
return false;
}
/**
* @return True if the entities startpoint is selected.
*/
bool RS_AtomicEntity::isStartpointSelected() const {
return getFlag(RS2::FlagSelected1);
}
/**
* @return True if the entities endpoint is selected.
*/
bool RS_AtomicEntity::isEndpointSelected() const {
return getFlag(RS2::FlagSelected2);
}
void RS_AtomicEntity::revertDirection(){}
/**
* Implementation must move the startpoint of the entity to
* the given position.
*/
void RS_AtomicEntity::moveStartpoint(const RS_Vector& /*pos*/) {}
/**
* Implementation must move the endpoint of the entity to
* the given position.
*/
void RS_AtomicEntity::moveEndpoint(const RS_Vector& /*pos*/) {}
/**
* Implementation must trim the startpoint of the entity to
* the given position.
*/
void RS_AtomicEntity::trimStartpoint(const RS_Vector& pos) {
moveStartpoint(pos);
}
/**
* Implementation must trim the endpoint of the entity to
* the given position.
*/
void RS_AtomicEntity::trimEndpoint(const RS_Vector& pos) {
moveEndpoint(pos);
}
/**
* Implementation must return which ending of the entity will
* be trimmed if 'coord' is the coordinate chosen to indicate the
* trim entity and 'trimPoint' is the point to which the entity will
* be trimmed.
*/
RS2::Ending RS_AtomicEntity::getTrimPoint(const RS_Vector& /*coord*/,
const RS_Vector& /*trimPoint*/) {
return RS2::EndingNone;
}
/**
* Implementation must trim the entity in the case of multiple
* intersections and return the trimPoint
* trimCoord indicts the trigger trim position
* trimSol contains intersections
* */
RS_Vector RS_AtomicEntity::prepareTrim(const RS_Vector& /*trimCoord*/,
const RS_VectorSolutions& /*trimSol*/) {
return RS_Vector(false);
}
void RS_AtomicEntity::reverse() {}
void RS_AtomicEntity::moveSelectedRef(const RS_Vector& ref, const RS_Vector& offset) {
if (isSelected()) {
moveRef(ref, offset);
}
}
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