60 lines
1.8 KiB
Python
60 lines
1.8 KiB
Python
from PyQt5 import QtCore, QtGui, uic
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from PyQt5.QtCore import pyqtSignal, pyqtSlot
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from PIL import Image
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from PIL.ImageQt import ImageQt
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import core
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from queue import Queue, Empty
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import os
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from copy import copy
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class Worker(QtCore.QObject):
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imageCreated = pyqtSignal(['QImage'])
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def __init__(self, parent=None, queue=None):
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QtCore.QObject.__init__(self)
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parent.newTask.connect(self.createPreviewImage)
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parent.processTask.connect(self.process)
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self.parent = parent
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self.core = core.Core()
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self.queue = queue
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self.core.settings = parent.settings
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self.stackedWidget = parent.window.stackedWidget
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self.background = Image.new("RGBA", (1920, 1080), (0, 0, 0, 0))
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self.background.paste(Image.open(os.path.join(
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self.core.wd, "background.png")))
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@pyqtSlot(list)
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def createPreviewImage(self, components):
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dic = {
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"components": components,
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}
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self.queue.put(dic)
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@pyqtSlot()
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def process(self):
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try:
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nextPreviewInformation = self.queue.get(block=False)
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while self.queue.qsize() >= 2:
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try:
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self.queue.get(block=False)
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except Empty:
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continue
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width = int(self.core.settings.value('outputWidth'))
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height = int(self.core.settings.value('outputHeight'))
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frame = copy(self.background)
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frame = frame.resize((width, height))
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components = nextPreviewInformation["components"]
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for component in reversed(components):
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frame = Image.alpha_composite(
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frame, component.previewRender(self))
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self._image = ImageQt(frame)
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self.imageCreated.emit(QtGui.QImage(self._image))
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except Empty:
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True
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