int main(int argc, char *argv[])
{
QApplication::setAttribute(Qt::AA_ShareOpenGLContexts, true);
QApplication a(argc, argv);
const QString fileAbsPath = a.arguments().at(1);
qDebug("Opening %s...", qPrintable(fileAbsPath));
QMediaPlayer p;
p.setMedia(QMediaContent(QUrl(fileAbsPath)));
QGraphicsVideoItem* item = new QGraphicsVideoItem;
QGraphicsScene* scene = new QGraphicsScene;
scene->addText("TEST");
p.setVideoOutput(item);
scene->addItem(item);
scene->addRect(0, 0, 100, 100, QPen(Qt::red), QBrush(Qt::red));
item->setPos(0, 0);
//QImage image(1920, 1080, QImage::Format_ARGB32);
//image.fill(Qt::blue);
//QPainter painter(&image);
//painter.setRenderHint(QPainter::Antialiasing);
//scene->render(&painter);
QGraphicsView view(scene);
//view.scene()->addItem(item);
view.setViewport(new QOpenGLWidget);
view.show();
p.play();
return a.exec();
}
void QGraphicsVideoItemPrivate::_q_present()
{
if (q_ptr->isObscured()) {
q_ptr->update(boundingRect);
surface->setReady(true);
} else {
q_ptr->update(boundingRect);
}
}
void QGraphicsVideoItemPrivate::updateRects()
{
q_ptr->prepareGeometryChange();
if (nativeSize.isEmpty()) {
//this is necessary for item to receive the
//first paint event and configure video surface.
boundingRect = rect;
} else if (aspectRatioMode == Qt::IgnoreAspectRatio) {
boundingRect = rect;
sourceRect = QRectF(0, 0, 1, 1);
} else if (aspectRatioMode == Qt::KeepAspectRatio) {
QSizeF size = nativeSize;
size.scale(rect.size(), Qt::KeepAspectRatio);
boundingRect = QRectF(0, 0, size.width(), size.height());
boundingRect.moveCenter(rect.center());
sourceRect = QRectF(0, 0, 1, 1);
} else if (aspectRatioMode == Qt::KeepAspectRatioByExpanding) {
boundingRect = rect;
QSizeF size = rect.size();
size.scale(nativeSize, Qt::KeepAspectRatio);
sourceRect = QRectF(
0, 0, size.width() / nativeSize.width(), size.height() / nativeSize.height());
sourceRect.moveCenter(QPointF(0.5, 0.5));
}
}
void QGraphicsVideoItemPrivate::_q_updateNativeSize()
{
QSize size = surface->surfaceFormat().sizeHint();
if (size.isEmpty())
size = rendererControl->property("nativeSize").toSize();
if (nativeSize != size) {
nativeSize = size;
updateRects();
emit q_ptr->nativeSizeChanged(nativeSize);
}
}
void QGraphicsVideoItemPrivate::updateRects()
{
q_ptr->prepareGeometryChange();
QSizeF videoSize;
if (nativeSize.isEmpty()) {
videoSize = rect.size();
} else if (aspectRatioMode == Qt::IgnoreAspectRatio) {
videoSize = rect.size();
} else {
// KeepAspectRatio or KeepAspectRatioByExpanding
videoSize = nativeSize;
videoSize.scale(rect.size(), aspectRatioMode);
}
displayRect = QRectF(QPointF(0, 0), videoSize);
displayRect.moveCenter(rect.center());
boundingRect = displayRect.intersected(rect);
}
MainWindow::MainWindow()
{
scene = new GraphicsScene(this);
QGraphicsView *graphicsView = new QGraphicsView(scene);
#if 0
QGraphicsVideoItem* videoItem = new QGraphicsVideoItem;
videoItem->setSize(QSizeF(500, 480));
scene->addItem(videoItem);
#endif
//installEventFilter( scene );
textItem = new GraphicsTextItem();
QFont font;
font.setPointSize(font.pointSize() * 2);
font.setBold(true);
textItem->setFont(font);
textItem->setPlainText("Qt Everywhere!");
textItem->setDefaultTextColor(Qt::black);
#if 0
QTextDocument* document = new QTextDocument;
QTextCharFormat charFormat;
charFormat.setFont(QFont("times", 24));
QPen outlinePen = QPen (QColor(255, 0, 0), 1, Qt::SolidLine);
charFormat.setTextOutline(outlinePen);
//字体轮廓
QTextCursor cursor = QTextCursor(document);
cursor.insertText("Test", charFormat);
textItem->setDocument(document);
//textItem->setTextInteractionFlags(Qt::TextEditable);
#endif
textItem->setTextInteractionFlags(Qt::TextEditorInteraction);
textItem->setZValue(1000.0);
textItem->setPos(50, 300);
scene->addItem(textItem);
QWidget *tabAnimations = new QWidget;
//tabAnimations->setMinimumHeight(200);
//tabAnimations->setMaximumHeight(200);
QHBoxLayout* hboxAnimations = new QHBoxLayout;
hboxAnimations->addWidget(graphicsView);
{
QLabel *lbl = new QLabel(tr("Text duration:"));
hboxAnimations->addWidget(lbl);
}
{
QComboBox* m_durationTextCombo = new QComboBox();
//m_durationTextCombo->setEditable(true);
for (int i = 2; i < 30; i = i + 2)
m_durationTextCombo->addItem(QString().setNum(i));
hboxAnimations->addWidget(m_durationTextCombo);
}
{
QToolButton *addPhotos = new QToolButton();
addPhotos->setText("Add photos");
hboxAnimations->addWidget(addPhotos);
removeEventFilter(addPhotos);
}
{
m_lineEdit = new LineEdit(this,scene);
hboxAnimations->addWidget(m_lineEdit);
//removeEventFilter(m_lineEdit);
//m_lineEdit->installEventFilter( this );
}
connect(m_lineEdit, SIGNAL(selectedTextSignal(const QString&)), scene,
SLOT(activeVideoText(const QString&)));
tabAnimations->setLayout(hboxAnimations);
setCentralWidget(tabAnimations);
setWindowTitle(tr("Character Map"));
}