def convertImageToBuffer(img):
from floatcanvas.math import numpy
w, h = img.GetWidth(), img.GetHeight()
img_data = numpy.array( [ord(c) for c in img.GetDataBuffer()], dtype = 'u8' ).reshape( (w, h, 3) )
if not img.HasAlpha():
return img_data
else:
data = numpy.empty( (w,h,4), 'u8' )
data[...,:3] = img_data
data[...,3] = numpy.array( [ord(c) for c in img.GetAlphaBuffer()], dtype = 'u8' ).reshape(w,h)
return data
def convertImageToBuffer(img):
from floatcanvas.math import numpy
w, h = img.GetWidth(), img.GetHeight()
img_data = numpy.array([ord(c) for c in img.GetDataBuffer()],
dtype='u8').reshape((w, h, 3))
if not img.HasAlpha():
return img_data
else:
data = numpy.empty((w, h, 4), 'u8')
data[..., :3] = img_data
data[..., 3] = numpy.array([ord(c) for c in img.GetAlphaBuffer()],
dtype='u8').reshape(w, h)
return data
def testMercatorInverse(self):
t = MercatorTransform( 0, 100 )
coords = numpy.array( [ (1,1), (0,0), (0.5, 0.8) ] )
tc = t( coords )
ttc = t.inverse( tc )
self.assert_( (ttc == coords).all(), ( tc, ttc, coords ) )
def setUp(self):
self.coords2d = numpy.array( [ (0,0), (2,0), (2,2), (0,2) ] )
self.coords3d = numpy.array( [ (0,0,0), (2,0,0), (2,2,0), (0,2,0) ] )
