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- from PyQt5.QtGui import QImage
- from PyQt5.QtQuick import QQuickImageProvider
- from PyQt5.QtCore import QSize
- from UM.Application import Application
- from typing import Tuple
- class PrintJobPreviewImageProvider(QQuickImageProvider):
- def __init__(self):
- super().__init__(QQuickImageProvider.Image)
- ## Request a new image.
- def requestImage(self, id: str, size: QSize) -> Tuple[QImage, QSize]:
- # The id will have an uuid and an increment separated by a slash. As we don't care about the value of the
- # increment, we need to strip that first.
- uuid = id[id.find("/") + 1:]
- for output_device in Application.getInstance().getOutputDeviceManager().getOutputDevices():
- if not hasattr(output_device, "printJobs"):
- continue
- for print_job in output_device.printJobs:
- if print_job.key == uuid:
- if print_job.getPreviewImage():
- return print_job.getPreviewImage(), QSize(15, 15)
- return QImage(), QSize(15, 15)
- return QImage(), QSize(15, 15)
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