本文整理匯總了Python中PyQt4.QtGui.QImage.__init__方法的典型用法代碼示例。如果您正苦於以下問題：Python QImage.__init__方法的具體用法？Python QImage.__init__怎麽用？Python QImage.__init__使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類PyQt4.QtGui.QImage的用法示例。
在下文中一共展示了QImage.__init__方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: __init__
# 需要導入模塊: from PyQt4.QtGui import QImage [as 別名]
# 或者: from PyQt4.QtGui.QImage import __init__ [as 別名]
def __init__(self, im):
"""
An PIL image wrapper for Qt. This is a subclass of PyQt's QImage
class.
:param im: A PIL Image object, or a file name (given either as Python
string or a PyQt string object).
"""
im_data = _toqclass_helper(im)
# must keep a reference, or Qt will crash!
# All QImage constructors that take data operate on an existing
# buffer, so this buffer has to hang on for the life of the image.
# Fixes https://github.com/python-pillow/Pillow/issues/1370
self.__data = im_data['data']
QImage.__init__(self,
self.__data, im_data['im'].size[0],
im_data['im'].size[1], im_data['format'])
if im_data['colortable']:
self.setColorTable(im_data['colortable']) 示例2: __init__
# 需要導入模塊: from PyQt4.QtGui import QImage [as 別名]
# 或者: from PyQt4.QtGui.QImage import __init__ [as 別名]
def __init__(self, im):
"""
An PIL image wrapper for Qt. This is a subclass of PyQt's QImage
class.
:param im: A PIL Image object, or a file name (given either as
Python string or a PyQt string object).
"""
im_data = _toqclass_helper(im)
# must keep a reference, or Qt will crash!
# All QImage constructors that take data operate on an existing
# buffer, so this buffer has to hang on for the life of the image.
# Fixes https://github.com/python-pillow/Pillow/issues/1370
self.__data = im_data['data']
QImage.__init__(self,
self.__data, im_data['im'].size[0],
im_data['im'].size[1], im_data['format'])
if im_data['colortable']:
self.setColorTable(im_data['colortable']) 示例3: __init__
# 需要導入模塊: from PyQt4.QtGui import QImage [as 別名]
# 或者: from PyQt4.QtGui.QImage import __init__ [as 別名]
def __init__(self, im):
data = None
colortable = None
# handle filename, if given instead of image name
if hasattr(im, "toUtf8"):
# FIXME - is this really the best way to do this?
im = unicode(im.toUtf8(), "utf-8")
if Image.isStringType(im):
im = Image.open(im)
if im.mode == "1":
format = QImage.Format_Mono
elif im.mode == "L":
format = QImage.Format_Indexed8
colortable = []
for i in range(256):
colortable.append(rgb(i, i, i))
elif im.mode == "P":
format = QImage.Format_Indexed8
colortable = []
palette = im.getpalette()
for i in range(0, len(palette), 3):
colortable.append(rgb(*palette[i:i+3]))
elif im.mode == "RGB":
data = im.tostring("raw", "BGRX")
format = QImage.Format_RGB32
elif im.mode == "RGBA":
try:
data = im.tostring("raw", "BGRA")
except SystemError:
# workaround for earlier versions
r, g, b, a = im.split()
im = Image.merge("RGBA", (b, g, r, a))
format = QImage.Format_ARGB32
else:
raise ValueError("unsupported image mode %r" % im.mode)
# must keep a reference, or Qt will crash!
self.__data = data or im.tostring()
QImage.__init__(self, self.__data, im.size[0], im.size[1], format)
if colortable:
self.setColorTable(colortable)