init
This commit is contained in:
Chenwenxuan
319
actions/rs_actiondrawellipse4points.cpp
Normal file
319
actions/rs_actiondrawellipse4points.cpp
Normal file
@@ -0,0 +1,319 @@
|
||||
/****************************************************************************
|
||||
**
|
||||
* Draw ellipse by foci and a point on ellipse
|
||||
|
||||
Copyright (C) 2011 Dongxu Li (dongxuli2011@gmail.com)
|
||||
Copyright (C) 2011 R. van Twisk (librecad@rvt.dds.nl)
|
||||
|
||||
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 <QAction>
|
||||
#include <QMouseEvent>
|
||||
#include "rs_actiondrawellipse4points.h"
|
||||
|
||||
#include "rs_dialogfactory.h"
|
||||
#include "rs_graphicview.h"
|
||||
#include "rs_commandevent.h"
|
||||
#include "rs_circle.h"
|
||||
#include "rs_ellipse.h"
|
||||
#include "rs_coordinateevent.h"
|
||||
#include "rs_preview.h"
|
||||
#include "rs_debug.h"
|
||||
|
||||
struct RS_ActionDrawEllipse4Points::Points {
|
||||
RS_VectorSolutions points;
|
||||
RS_CircleData cData;
|
||||
RS_EllipseData eData;
|
||||
bool valid,evalid;
|
||||
bool m_bUniqueEllipse{false}; //a message of non-unique ellipse is shown
|
||||
};
|
||||
|
||||
/**
|
||||
* Constructor.
|
||||
*
|
||||
*/
|
||||
RS_ActionDrawEllipse4Points::RS_ActionDrawEllipse4Points(
|
||||
RS_EntityContainer& container,
|
||||
RS_GraphicView& graphicView)
|
||||
:RS_PreviewActionInterface("Draw ellipse from 4 points", container,
|
||||
graphicView)
|
||||
, pPoints(new Points{})
|
||||
{
|
||||
actionType=RS2::ActionDrawEllipse4Points;
|
||||
}
|
||||
|
||||
RS_ActionDrawEllipse4Points::~RS_ActionDrawEllipse4Points() = default;
|
||||
|
||||
void RS_ActionDrawEllipse4Points::init(int status) {
|
||||
RS_PreviewActionInterface::init(status);
|
||||
if(getStatus() == SetPoint1) pPoints->points.clear();
|
||||
}
|
||||
|
||||
void RS_ActionDrawEllipse4Points::trigger() {
|
||||
RS_PreviewActionInterface::trigger();
|
||||
RS_Entity* en;
|
||||
if(getStatus()==SetPoint4 && pPoints->evalid){
|
||||
en=new RS_Ellipse(container, pPoints->eData);
|
||||
}else{
|
||||
en=new RS_Circle(container, pPoints->cData);
|
||||
}
|
||||
|
||||
// update undo list:
|
||||
deletePreview();
|
||||
container->addEntity(en);
|
||||
if (document) {
|
||||
document->startUndoCycle();
|
||||
document->addUndoable(en);
|
||||
document->endUndoCycle();
|
||||
}
|
||||
RS_Vector rz = graphicView->getRelativeZero();
|
||||
graphicView->redraw(RS2::RedrawDrawing);
|
||||
graphicView->moveRelativeZero(rz);
|
||||
drawSnapper();
|
||||
setStatus(SetPoint1);
|
||||
// RS_DEBUG->print("RS_ActionDrawEllipse4Point::trigger():" " entity added: %d", ellipse->getId());
|
||||
|
||||
// RS_DEBUG->print("RS_ActionDrawEllipse4Point::trigger():" " entity added: %d", ellipse->getId());
|
||||
}
|
||||
|
||||
|
||||
|
||||
void RS_ActionDrawEllipse4Points::mouseMoveEvent(QMouseEvent* e) {
|
||||
// RS_DEBUG->print("RS_ActionDrawEllipse4Point::mouseMoveEvent begin");
|
||||
|
||||
RS_Vector mouse = snapPoint(e);
|
||||
pPoints->points.set(getStatus(),mouse);
|
||||
if(preparePreview()) {
|
||||
switch(getStatus()) {
|
||||
case SetPoint2:
|
||||
case SetPoint3:
|
||||
if(pPoints->valid){
|
||||
RS_Circle* circle=new RS_Circle(preview.get(), pPoints->cData);
|
||||
deletePreview();
|
||||
preview->addEntity(circle);
|
||||
drawPreview();
|
||||
}
|
||||
break;
|
||||
case SetPoint4:
|
||||
if(pPoints->evalid){
|
||||
deletePreview();
|
||||
RS_Ellipse* e=new RS_Ellipse(preview.get(), pPoints->eData);
|
||||
preview->addEntity(e);
|
||||
drawPreview();
|
||||
}
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
}
|
||||
// RS_DEBUG->print("RS_ActionDrawEllipse4Point::mouseMoveEvent end");
|
||||
}
|
||||
|
||||
|
||||
bool RS_ActionDrawEllipse4Points::preparePreview(){
|
||||
pPoints->valid=false;
|
||||
switch(getStatus()) {
|
||||
case SetPoint2:
|
||||
case SetPoint3:
|
||||
{
|
||||
RS_Circle c(preview.get(), pPoints->cData);
|
||||
pPoints->valid= c.createFrom3P(pPoints->points);
|
||||
if(pPoints->valid){
|
||||
pPoints->cData = c.getData();
|
||||
}
|
||||
|
||||
}
|
||||
break;
|
||||
case SetPoint4:
|
||||
{
|
||||
int j=SetPoint4;
|
||||
pPoints->evalid=false;
|
||||
if ((pPoints->points.get(j) - pPoints->points.get(j-1)).squared() <RS_TOLERANCE15){
|
||||
RS_Circle c(preview.get(), pPoints->cData);
|
||||
pPoints->valid= c.createFrom3P(pPoints->points);
|
||||
if (pPoints->valid) {
|
||||
pPoints->cData = c.getData();
|
||||
}
|
||||
} else {
|
||||
RS_Ellipse e{preview.get(), pPoints->eData};
|
||||
pPoints->valid= e.createFrom4P(pPoints->points);
|
||||
if (pPoints->valid) {
|
||||
pPoints->evalid=pPoints->valid;
|
||||
pPoints->eData = e.getData();
|
||||
pPoints->m_bUniqueEllipse=false;
|
||||
} else {
|
||||
pPoints->evalid=false;
|
||||
if (pPoints->m_bUniqueEllipse==false) {
|
||||
RS_DIALOGFACTORY->commandMessage(tr("Can not determine uniquely an ellipse"));
|
||||
pPoints->m_bUniqueEllipse=true;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
return pPoints->valid;
|
||||
}
|
||||
|
||||
void RS_ActionDrawEllipse4Points::mouseReleaseEvent(QMouseEvent* e) {
|
||||
// Proceed to next status
|
||||
if (e->button()==Qt::LeftButton) {
|
||||
RS_CoordinateEvent ce(snapPoint(e));
|
||||
coordinateEvent(&ce);
|
||||
}
|
||||
|
||||
// Return to last status:
|
||||
else if (e->button()==Qt::RightButton) {
|
||||
deletePreview();
|
||||
init(getStatus()-1);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void RS_ActionDrawEllipse4Points::coordinateEvent(RS_CoordinateEvent* e) {
|
||||
if (!e) {
|
||||
return;
|
||||
}
|
||||
RS_Vector mouse = e->getCoordinate();
|
||||
pPoints->points.alloc(getStatus()+1);
|
||||
pPoints->points.set(getStatus(),mouse);
|
||||
|
||||
switch (getStatus()) {
|
||||
case SetPoint1:
|
||||
graphicView->moveRelativeZero(mouse);
|
||||
setStatus(SetPoint2);
|
||||
break;
|
||||
case SetPoint2:
|
||||
case SetPoint3:
|
||||
case SetPoint4:
|
||||
|
||||
if( preparePreview()) {
|
||||
graphicView->moveRelativeZero(mouse);
|
||||
if(getStatus() == SetPoint4 ||
|
||||
(pPoints->points.get(getStatus()) - pPoints->points.get(getStatus()-1)).squared() <RS_TOLERANCE15) {
|
||||
//also draw the entity, if clicked on the same point twice
|
||||
trigger();
|
||||
}else{
|
||||
setStatus(getStatus()+1);
|
||||
}
|
||||
}
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
//fixme, support command line
|
||||
|
||||
/*
|
||||
void RS_ActionDrawEllipse4Point::commandEvent(RS_CommandEvent* e) {
|
||||
QString c = e->getCommand().toLower();
|
||||
|
||||
if (checkCommand("help", c)) {
|
||||
RS_DIALOGFACTORY->commandMessage(msgAvailableCommands()
|
||||
+ getAvailableCommands().join(", "));
|
||||
return;
|
||||
}
|
||||
|
||||
switch (getStatus()) {
|
||||
case SetFocus1: {
|
||||
bool ok;
|
||||
double m = RS_Math::eval(c, &ok);
|
||||
if (ok) {
|
||||
ratio = m / major.magnitude();
|
||||
if (!isArc) {
|
||||
trigger();
|
||||
} else {
|
||||
setStatus(SetAngle1);
|
||||
}
|
||||
} else {
|
||||
RS_DIALOGFACTORY->commandMessage(tr("Not a valid expression"));
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case SetAngle1: {
|
||||
bool ok;
|
||||
double a = RS_Math::eval(c, &ok);
|
||||
if (ok) {
|
||||
angle1 = RS_Math::deg2rad(a);
|
||||
setStatus(SetAngle2);
|
||||
} else {
|
||||
RS_DIALOGFACTORY->commandMessage(tr("Not a valid expression"));
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case SetAngle2: {
|
||||
bool ok;
|
||||
double a = RS_Math::eval(c, &ok);
|
||||
if (ok) {
|
||||
angle2 = RS_Math::deg2rad(a);
|
||||
trigger();
|
||||
} else {
|
||||
RS_DIALOGFACTORY->commandMessage(tr("Not a valid expression"));
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
break;
|
||||
}
|
||||
}
|
||||
*/
|
||||
|
||||
|
||||
QStringList RS_ActionDrawEllipse4Points::getAvailableCommands() {
|
||||
return {};
|
||||
}
|
||||
|
||||
void RS_ActionDrawEllipse4Points::updateMouseButtonHints() {
|
||||
switch (getStatus()) {
|
||||
case SetPoint1:
|
||||
RS_DIALOGFACTORY->updateMouseWidget(tr("Specify the first point on ellipse"),
|
||||
tr("Cancel"));
|
||||
break;
|
||||
|
||||
case SetPoint2:
|
||||
RS_DIALOGFACTORY->updateMouseWidget(tr("Specify the second point on ellipse"),
|
||||
tr("Back"));
|
||||
break;
|
||||
|
||||
case SetPoint3:
|
||||
RS_DIALOGFACTORY->updateMouseWidget(tr("Specify the third point on ellipse"),
|
||||
tr("Back"));
|
||||
break;
|
||||
|
||||
case SetPoint4:
|
||||
RS_DIALOGFACTORY->updateMouseWidget(tr("Specify the fourth point on ellipse"),
|
||||
tr("Back"));
|
||||
break;
|
||||
|
||||
default:
|
||||
RS_DIALOGFACTORY->updateMouseWidget();
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
void RS_ActionDrawEllipse4Points::updateMouseCursor() {
|
||||
graphicView->setMouseCursor(RS2::CadCursor);
|
||||
}
|
||||
|
||||
// EOF
|
||||
Reference in New Issue
Block a user