def update_frame_image(self, frame_index: int):
"""
刷新帧图象显示
:param frame_index: 帧索引
:return: None
"""
base64 = self._frame_base64_dict[frame_index]
byte_arr = QByteArray(base64)
img = QImage()
img.loadFromData(QByteArray.fromBase64(byte_arr))
pixmap = QPixmap.fromImage(img)
self.current_frame_item.setPixmap(pixmap)
self.current_frame_index = frame_index
def GMakeIcon(base64):
pixmap = QPixmap()
pixmap.loadFromData(QByteArray.fromBase64(base64))
icon = QIcon(pixmap)
return icon
def decode_image(text: str) -> QImage:
encoded_bytes = QByteArray(text.encode('utf8'))
image_bytes = QByteArray.fromBase64(encoded_bytes)
image = QImage.fromData(image_bytes)
return image