本文整理汇总了Python中PyQt5.QtCore.QByteArray.fromBase64方法的典型用法代码示例。如果您正苦于以下问题：Python QByteArray.fromBase64方法的具体用法？Python QByteArray.fromBase64怎么用？Python QByteArray.fromBase64使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PyQt5.QtCore.QByteArray的用法示例。
在下文中一共展示了QByteArray.fromBase64方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __readImage
# 需要导入模块: from PyQt5.QtCore import QByteArray [as 别名]
# 或者: from PyQt5.QtCore.QByteArray import fromBase64 [as 别名]
def __readImage(self):
atts = self.xml.attributes()
source = atts.value("source")
format = atts.value("format")
if len(source)==0:
while (self.xml.readNextStartElement()):
if (self.xml.name() == "data"):
atts = self.xml.attributes()
encoding = atts.value("encoding")
data = self.xml.readElementText().toLatin1()
if (encoding == "base64"):
data = QByteArray.fromBase64(data)
self.xml.skipCurrentElement()
return QImage.fromData(data, format.toLatin1())
else:
self.__readUnknownElement()
else:
self.xml.skipCurrentElement()
source = self.p.resolveReference(source, self.mPath)
image = self.p.readExternalImage(source)
if (image.isNull()):
self.xml.raiseError(self.tr("Error loading image:\n'%s'"%source))
return image
return QImage()示例2: save
# 需要导入模块: from PyQt5.QtCore import QByteArray [as 别名]
# 或者: from PyQt5.QtCore.QByteArray import fromBase64 [as 别名]
def save(self, fileName, selectedFilter):
if selectedFilter == self.filters[1]:
img = self.page().mainFrame().evaluateJavaScript("chart.getImageURI()")
if img:
ba = QByteArray()
ba.append(img[22:])
by = QByteArray.fromBase64(ba)
image = QImage.fromData(by, "PNG")
image.save(fileName)
else:
QMessageBox.warning(self.parent(),
self.tr("Saving"),
self.tr("Image not ready. Please try again later"))
else:
if selectedFilter == self.filters[0]:
with open(fileName, 'wb') as f:
f.write(bytes(self.html_data, 'utf-8'))示例3: paintEvent
# 需要导入模块: from PyQt5.QtCore import QByteArray [as 别名]
# 或者: from PyQt5.QtCore.QByteArray import fromBase64 [as 别名]
def paintEvent(self, QPaintEvent):
if self.connected:
try:
self.image_base_64 = self.client.recieve_screenshot()
except TimeoutError:
self.critical("Сервер перестал отвечать")
# mb = QMessageBox.critical(self, "Ошибка", "Сервер перестал отвечать")
return
self.data = QByteArray.fromBase64(self.image_base_64)
self.pm = QPixmap()
self.pm.loadFromData(self.data, "PNG")
self._graphics_scene.clear()
self._graphics_scene.addPixmap(self.pm)
self.update()示例4: decodeLayerData
# 需要导入模块: from PyQt5.QtCore import QByteArray [as 别名]
# 或者: from PyQt5.QtCore.QByteArray import fromBase64 [as 别名]
def decodeLayerData(self, tileLayer, layerData, format):
if format in [Map.LayerDataFormat.XML, Map.LayerDataFormat.CSV]:
raise
_layerData = QByteArray()
_layerData.append(layerData)
decodedData = QByteArray.fromBase64(_layerData)
size = (tileLayer.width() * tileLayer.height()) * 4
if (format == Map.LayerDataFormat.Base64Gzip or format == Map.LayerDataFormat.Base64Zlib):
decodedData, size = decompress(decodedData, size)
if (size != decodedData.length()):
return DecodeError.CorruptLayerData
data = decodedData.data()
x = 0
y = 0
for i in range(0, size - 3, 4):
gid = data[i] | data[i + 1] << 8 | data[i + 2] << 16 | data[i + 3] << 24
result, ok = self.gidToCell(gid)
if (not ok):
self.mInvalidTile = gid
if self.isEmpty():
return DecodeError.TileButNoTilesets
else:
return DecodeError.InvalidTile
tileLayer.setCell(x, y, result)
x += 1
if (x == tileLayer.width()):
x = 0
y += 1
return DecodeError.NoError示例5: str_to_bytes
# 需要导入模块: from PyQt5.QtCore import QByteArray [as 别名]
# 或者: from PyQt5.QtCore.QByteArray import fromBase64 [as 别名]
def str_to_bytes(string):
""" This is required to save Qt byte arrays into a base64 string (to save screen preferences) """
return QByteArray.fromBase64(string.encode("utf-8"))