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from PyQt6.QtGui import QImage
from PyQt6.QtQuick import QQuickImageProvider
from PyQt6.QtCore import QSize
from UM.Application import Application
from typing import Tuple
class PrintJobPreviewImageProvider(QQuickImageProvider):
def __init__(self):
super().__init__(QQuickImageProvider.ImageType.Image)
def requestImage(self, id: str, size: QSize) -> Tuple[QImage, QSize]:
"""Request a new image.
:param id: id of the requested image
:param size: is not used defaults to QSize(15, 15)
:return: an tuple containing the image and size
"""
# 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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