def fromfile(cls, filename):
""" Alternate constructor to create an ImageData from an image file
on disk. 'filename' may be a file path or a file object.
"""
from kiva.image import Image
img = Image(filename)
imgdata = cls(data=img.bmp_array, transposed=False)
fmt = img.format()
if fmt == "rgb24":
imgdata.value_depth = 3
elif fmt == "rgba32":
imgdata.value_depth = 4
else:
raise ValueError("Unknown image format in file %s: %s" %
(filename, fmt))
return imgdata
def fromfile(cls, filename):
""" Alternate constructor to create an ImageData from an image file
on disk. 'filename' may be a file path or a file object.
"""
from kiva.image import Image
img = Image(filename)
imgdata = cls(data=img.bmp_array, transposed=False)
fmt = img.format()
if fmt == "rgb24":
imgdata.value_depth = 3
elif fmt == "rgba32":
imgdata.value_depth = 4
else:
raise ValueError("Unknown image format in file %s: %s" %
(filename, fmt))
return imgdata
def test_initialization(self):
image = Image(self.filename)
self.assertEqual(image.width(), 100)
self.assertEqual(image.height(), 120)
self.assertEqual(image.format(), 'rgb24')
def test_initialization(self):
image = Image(self.filename)
self.assertEqual(image.width(), 100)
self.assertEqual(image.height(), 120)
self.assertEqual(image.format(), 'rgb24')
