123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241 |
- #include <QFile>
- #include <QColor>
- #include <QTextStream>
- #include <QJsonObject>
- #include <QJsonArray>
- #include <QJsonDocument>
- #include <QDebug>
- #include <QStringList>
- #include "WorkArea.hpp"
- #include "StrengthLine.hpp"
- WorkArea::WorkArea (int screenSizeX, int screenSizeY, QWidget * parent):
- QWidget(parent)
- {
- this->screenSizeX = screenSizeX;
- this->screenSizeY = screenSizeY;
- readOnly = false;
- img = NULL;
- resizeFactor = 1;
- indexPointClicked = -1;
- maxLines = 0;
- }
- WorkArea::WorkArea (int screenSizeX, int screenSizeY, const std::string & filename, QWidget * parent):QWidget(parent)
- {
- this->screenSizeX = screenSizeX;
- this->screenSizeY = screenSizeY;
- readOnly = false;
- img = NULL;
- resizeFactor = 1;
- indexPointClicked = -1;
- maxLines = 0;
- loadImage(filename);
- }
- WorkArea::WorkArea (int screenSizeX, int screenSizeY, const std::string & imageFilename, const std::string & SLFilename, bool readOnly, QWidget * parent):QWidget(parent)
- {
- this->screenSizeX = screenSizeX;
- this->screenSizeY = screenSizeY;
- img = NULL;
- resizeFactor = 1;
- indexPointClicked = -1;
- maxLines = 0;
- loadImage(imageFilename);
- this->readOnly = readOnly;
- loadSL(SLFilename);
- }
- WorkArea::~WorkArea ()
- {
- }
- void
- WorkArea::loadImage (const std::string & filename)
- {
- QImage opened (QString::fromStdString (filename));
- img =
- new QImage (opened. scaled (screenSizeX, screenSizeY - this->geometry ().y (),
- Qt::KeepAspectRatio, Qt::FastTransformation));
-
- resizeFactor = (img->width()*1.0)/opened.width();
- liste_points.clear ();
-
- setFixedSize (img->width (), img->height ());
- }
- void
- WorkArea::loadSL (const std::string & filename)
- {
- liste_points.clear();
- QFile fin(QString::fromStdString (filename));
- fin.open(QIODevice::ReadOnly);
- QByteArray ba2 = fin.readAll();
- QJsonParseError parseError;
- QJsonDocument doc2 = QJsonDocument::fromJson(ba2, &parseError);
- QJsonArray lines = doc2["lines"].toArray();
- for(unsigned int i=0; i<lines.size(); i++){
- QJsonArray line = lines[i].toArray();
- QJsonArray point1 = line[0].toArray();
- QJsonArray point2 = line[1].toArray();
- liste_points << new QPoint((int)(point1[0].toDouble()*resizeFactor), (int)(point1[1].toDouble()*resizeFactor));
- liste_points << new QPoint((int)(point2[0].toDouble()*resizeFactor), (int)(point2[1].toDouble()*resizeFactor));
- }
- }
- void
- WorkArea::saveStrengthLine (const std::string & filename)
- {
- QJsonArray lines;
-
- for (int i = 0; i < liste_points.size () / 2; i++){
- QJsonArray line;
- QJsonArray point1;
- point1.push_back(liste_points[i*2]->x ()/resizeFactor);
- point1.push_back(liste_points[i*2]->y ()/resizeFactor);
- line.push_back(point1);
- QJsonArray point2;
- point2.push_back(liste_points[i*2+1]->x ()/resizeFactor);
- point2.push_back(liste_points[i*2+1]->y ()/resizeFactor);
- line.push_back(point2);
- lines.push_back(line);
- }
-
- root["lines"] = lines;
- QByteArray ba = QJsonDocument(root).toJson();
- QFile fout(QString::fromStdString (filename));
- fout.open(QIODevice::WriteOnly);
- fout.write(ba);
- }
- void
- WorkArea::setReadOnly(bool readOnly){
- this->readOnly = readOnly;
- }
- void
- WorkArea::paintEvent (QPaintEvent * event)
- {
- QPainter painter (this);
- paint (painter);
- }
- void
- WorkArea::paint (QPainter & painter)
- {
- if (img != NULL)
- painter.drawImage (0, 0, *img);
- for (int i = 0; i < liste_points.length (); i++)
- {
- if(readOnly==false)
- {
- painter.setBrush (QBrush (Qt::green));
- painter.setPen (QPen (Qt::black));
- painter.drawEllipse (liste_points[i]->x () - taillePoint / 2,
- liste_points[i]->y () - taillePoint / 2,
- taillePoint, taillePoint);
- }
- if ((i % 2) == 1)
- {
- painter.setPen (QPen (Qt::red, epaisseurLigne));
- std::pair < QPoint *, QPoint * >endPoints =
- StrengthLine (liste_points[i - 1], liste_points[i]).toDraw (img);
- painter.drawLine (*(std::get < 0 > (endPoints)),
- *(std::get < 1 > (endPoints)));
- }
- }
- }
- void
- WorkArea::mousePressEvent (QMouseEvent * event)
- {
- if(readOnly==false)
- {
- if (img != NULL)
- {
- // Est ce qu'on a cliqué sur un point existant ?
- indexPointClicked = -1;
- for (int i = 0; i < liste_points.length (); i++)
- {
- QPoint point = event->pos () - *(liste_points[i]);
- if (point.manhattanLength () < taillePoint)
- {
- indexPointClicked = i;
- }
- }
- // Clic gauche
- if (event->button () == Qt::LeftButton)
- {
- if (indexPointClicked == -1)
- {
- if((maxLines == 0) || (liste_points.size()<(maxLines*2))){
- indexPointClicked = liste_points.size ();
- liste_points << new QPoint (event->x (), event->y ());
- }
- }
- }
- // Clic droit
- if (event->button () == Qt::RightButton)
- {
- if (indexPointClicked != -1)
- {
- if (indexPointClicked == (liste_points.size () - 1))
- liste_points.removeAt (indexPointClicked);
- else
- {
- if ((indexPointClicked % 2) == 0)
- {
- QPoint *single =
- liste_points.takeAt (indexPointClicked + 1);
- liste_points.removeAt (indexPointClicked);
- liste_points << single;
- }
- else
- {
- QPoint *single =
- liste_points.takeAt (indexPointClicked - 1);
- liste_points.removeAt (indexPointClicked - 1);
- liste_points << single;
- }
- }
- indexPointClicked = -1;
- }
- }
- }
- }
- repaint ();
- }
- void
- WorkArea::mouseMoveEvent (QMouseEvent * event)
- {
- if(readOnly==false)
- {
- if (indexPointClicked != -1)
- {
- liste_points[indexPointClicked]->setX (event->x ());
- liste_points[indexPointClicked]->setY (event->y ());
- }
- }
- repaint ();
- }
- void
- WorkArea::mouseReleaseEvent (QMouseEvent * event)
- {
- indexPointClicked = -1;
- }
|