Beispiel #1
0
void FenPrincipale::LoadImageW() {
	delete ImageWidget;
	ImageWidget = new QWidget;
	dockImage->setWidget(ImageWidget);
	
	QString fileName
        = QFileDialog::getOpenFileName(this, tr("Load Image"),QString(), "Images (*.png *.gif *.jpeg *.jpg)");
    if (fileName.isEmpty())
        return;
    QFile file(fileName);
    if (!file.open(QFile::ReadOnly)) {
        QString msg = tr("Failed to open %1\n%2")
                        .arg(fileName)
                        .arg(file.errorString());
        QMessageBox::warning(this, tr("Error"), msg);
        return;
    }

	scene = new MyScene(fileName);
	QGraphicsView *view = new QGraphicsView(scene);

	view->setMaximumSize(scene->size+QSize(10,10));
	//view->show();

	//image->setPixmap(QPixmap(fileName));
	QVBoxLayout *dockLayout = new QVBoxLayout;
	dockLayout->addWidget(view);
	ImageWidget->setLayout(dockLayout);
	
	dockImage->show();
	
}
Beispiel #2
0
Widget::Widget(QWidget *parent) :
    QWidget(parent),
    ui(new Ui::Widget)
{


    ui->setupUi(this);
    this->setWindowState(this->windowState() ^ Qt::WindowFullScreen);
    QGraphicsView *view = ui->graphicsView;
    view->setScene(&scene);

    view->setWindowFlags (Qt::FramelessWindowHint);
    view->setAlignment(Qt::AlignLeft | Qt::AlignTop);
    view->setRenderHint(QPainter::Antialiasing);

    view->setMaximumSize(size());
    view->setVerticalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
    view->setHorizontalScrollBarPolicy( Qt::ScrollBarAlwaysOff );
    view->setCacheMode(QGraphicsView::CacheBackground);


    QGMenu *menu = new QGMenu(view->rect());
    //menu->setOpacity(0);
    scene.addItem(menu);

    int size = 152 + 16;

    for (int i = 0; i < 20 ;i++) {
        int r = i / 5;
        int c = i % 5;
        QGTile *tile = new QGTile;
        scene.addItem(tile);
        tile->moveBy(c * size,  r * size);
        tile->installSceneEventFilter(menu);
    }
    menu->setZValue(100);

//    QGraphicsItem *ball = new QGraphicsEllipseItem(0, 0, 20, 20);

//    QTimeLine *timer = new QTimeLine(5000);
//    timer->setFrameRange(0, 100);

//    QGraphicsItemAnimation *animation = new QGraphicsItemAnimation;
//    animation->setItem(ball);
//    animation->setTimeLine(timer);

//    for (int i = 0; i < 200; ++i)
//        animation->setPosAt(i / 200.0, QPointF(i, i));

//    scene.addItem(ball);

//    timer->start();

}
Beispiel #3
0
void MainWindow::updateGraphics()
{
    // restart scene
    QGraphicsScene *previousScene = scene;
    scene = new QGraphicsScene(0, 0, levelPlist.value("level_width").toInt(), levelPlist.value("level_height").toInt());

    // Add player object to scene
    QRect playerRect = spriteSheetLocations.value("Volt1.png");
    Q_ASSERT_X(playerRect != QRect(0,0,0,0), "MainWindow::loadFile()", "Could not find sprite location!");
    QImage player = spriteSheet.copy(playerRect);

    QGraphicsPixmapItem *item = scene->addPixmap(QPixmap::fromImage(player));
    item->setTransformOriginPoint(item->boundingRect().width()/2, item->boundingRect().height()/2);
    float scale = levelPlist.value("starting_size").toFloat() / playerRect.width();
    item->scale(scale, scale);
    int startX = levelPlist.value("start_x").toInt() - item->boundingRect().width()*scale/2;
    int startY = levelPlist.value("level_height").toInt() - (levelPlist.value("start_y").toInt() + item->boundingRect().height()*scale/2);
    item->setPos(startX, startY);
    item->setData(1, "player");     // type of object
    item->setData(2, -1);           // object id
    item->setData(3, false);        // is the object rotated?
    item->setData(4, QPoint(0,0));  // MouseOffset of the object (not used yet)

    // Add objects to scene
    for(int i = 0; i < levelObjects.length(); i++)
    {
        QRect objRect;
        objRect = spriteSheetLocations.value(levelObjects.at(i).value("frame_name").toString());

        // Make sure we are good to go
        Q_ASSERT_X(objRect != QRect(0,0,0,0), "MainWindow::loadFile()", "Could not find sprite location!");

        QImage img = spriteSheet.copy(objRect);
        float height = levelObjects.at(i).value("height").toFloat();
        float width = levelObjects.at(i).value("width").toFloat();
        float x = levelObjects.at(i).value("x").toFloat();
        float y = levelObjects.at(i).value("y").toFloat();
        img = img.scaled(QSize(width, height), Qt::IgnoreAspectRatio);
        item = scene->addPixmap(QPixmap::fromImage(img));
        float xPos = x - width/2;
        float yPos = levelPlist.value("level_height").toFloat() - (y + height/2);

        // Rotate object around its own center as opposed to its top left corner
        float rotation = levelObjects[i].value("rotation").toFloat();
        //float rotationRadians = (3.141592653/180) * rotation;
        //float xShift = (width/2 * qCos(rotationRadians)) - (height/2 * qSin(rotationRadians)) - width/2;
        //float yShift = (-width/2 * qSin(rotationRadians)) - (height/2 * qCos(rotationRadians)) + height/2;

        //item->setPos((int)(xPos - xShift), (int)(yPos + yShift));
        item->setPos((int)xPos, (int)yPos);
        item->setTransformOriginPoint(width/2, height/2);
        item->setRotation((int)rotation);
        item->setData(1, "object");
        item->setData(2, i);
        item->setData(3, (rotation != 0 && rotation != 360));
        //item->setData(4, QPoint(xShift, yShift));
    }

    // Display a yellow box around whichever objects are selected
    updateSelectedObjects(scene, false);

    // Display grid
    float levelHeight = levelPlist.value("level_height").toFloat();
    float levelWidth = levelPlist.value("level_width").toFloat();
    for(int i = 0; i < levelHeight; i += GRID_RESOLUTION)
    {
        scene->addLine(0, i, levelWidth, i, QPen(QColor(255, 255, 255, 50)));
    }
    for(int j = 0; j < levelWidth; j += GRID_RESOLUTION)
    {
        scene->addLine(j, 0, j, levelHeight, QPen(QColor(255, 255, 255, 50)));
    }

    // Display border of level
    QColor borderColor = QColor(50, 50, 255, 150);
    scene->addLine(0, 0, 0, levelHeight, QPen(borderColor));
    scene->addLine(levelWidth, levelHeight, 0, levelHeight, QPen(borderColor));
    scene->addLine(levelWidth, 0, levelWidth, levelHeight, QPen(borderColor));
    scene->addLine(0, 0, levelWidth, 0, QPen(borderColor));

    // Setup graphics view with the newly created scene
    QGraphicsView *view = ui->graphicsView;
    view->setScene(scene);
    view->setMaximumSize(levelPlist.value("level_width").toInt() + 2, levelPlist.value("level_height").toInt() + 3);

    // If we just loaded the level, zoom out all the way.
    if(justLoaded)
    {
        justLoaded = false;
        view->fitInView(0, 0, levelPlist.value("level_width").toInt(), levelPlist.value("level_height").toInt(), Qt::KeepAspectRatio);
    }

    // set background
    scene->setBackgroundBrush(Qt::black);

    // avoid memory leak.  We can't do this earlier, or the QGraphicsView resets its viewport.
    delete previousScene;
}