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();
}
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();
}
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;
}