class RText(QObject):
def __init__(self, text, x, y, size, color):
self._pos = QPointF(x - 1.8, y + 1.8)
super().__init__()
self.text = QGraphicsTextItem(text)
transform = QTransform.fromScale(0.3, -0.3)
self.text.setTransformOriginPoint(self._pos)
self.text.setTransform(transform)
self.text.setPos(self._pos)
# self.text.setRotation(-180)
font = QFont("Times", 2)
self.text.setFont(font)
self._visible = 1
@pyqtProperty(int)
def visible(self):
return self._visible
@visible.setter
def visible(self, value):
if value > 0:
self.text.show()
else:
self.text.hide()
self._visible = value
class MainWindow(QMainWindow):
def __init__(self, parent=None):
super().__init__(parent)
self.view = VideoGraphicsView()
self.setCentralWidget(self.view)
self.view.videoItem.nativeSizeChanged.connect(
self.handle_native_size_changed)
url = QUrl(
"https://www.learningcontainer.com/wp-content/uploads/2020/05/sample-mp4-file.mp4"
)
self.view.player.setMedia(QMediaContent(url))
self.view.player.play()
self.resize(640, 480)
self.text_item = QGraphicsTextItem(self.view.videoItem)
self.text_item.setHtml(
"""<div style="color: #41CD52; font-weight: bold; font-size: 20px;">Qt is awesome</div>"""
)
self.text_item.hide()
self.animation = QVariantAnimation()
self.animation.setDuration(1000)
self.animation.setStartValue(QPointF(0.0, 0.0))
self.animation.setEndValue(QPointF(0.0, 0.0))
self.animation.valueChanged.connect(self.text_item.setPos)
self.animation.finished.connect(self.start_of_start_animation)
def handle_native_size_changed(self):
self.start_of_start_animation()
def start_of_start_animation(self):
w = self.view.videoItem.size().width() - self.text_item.boundingRect(
).width()
h = self.view.videoItem.size().height() - self.text_item.boundingRect(
).height()
end_pos_x = random.uniform(0, w)
end_pos_y = random.uniform(0, h)
self.animation.setStartValue(self.animation.endValue())
self.animation.setEndValue(QPointF(end_pos_x, end_pos_y))
self.text_item.show()
self.animation.start()
