Difference between revisions of "Qt/Images/RubberBand"

#include <QApplication>
 
#include "form.h"
 
int main(int argc, char *argv[])
{
  QApplication app(argc, argv);
  Form form;
 
  form.show();
  return app.exec();
}

#ifndef FORM_H
#define FORM_H
 
#include "ui_form.h"
 
class Form : public QWidget, private Ui::Form
{
    Q_OBJECT
 
public:
    Form(QWidget *parent = 0);
 
};
 
#endif

#include <QtGui>
#include <QImage>
#include <QRubberBand>
 
#include "form.h"
 
#include <iostream>
 
Form::Form(QWidget *parent)
    : QWidget(parent)
{
  setupUi(this);
 
  QGraphicsScene* scene = new QGraphicsScene();
  //QRubberBand* rubberBand = new QRubberBand(QRubberBand::Rectangle, scene);
  //QRubberBand* rubberBand = new QRubberBand(QRubberBand::Rectangle);
  QRubberBand* rubberBand = new QRubberBand(QRubberBand::Rectangle, this->graphicsView);
 
  QPalette palette;
  palette.setBrush(QPalette::Foreground, QBrush(Qt::green));
  palette.setBrush(QPalette::Base, QBrush(Qt::red));
 
  rubberBand->setPalette(palette);
  rubberBand->resize(30, 30);
 
  //scene->addItem(rubberBand);
 
  this->graphicsView->setScene(scene);
  //this->graphicsView->setDragMode(QGraphicsView::RubberBandDrag);
  this->graphicsView->show();
}