class RGBAImageSourceTest( ut.TestCase ):
def setUp( self ):
import numpy as np
import os.path
from volumina import _testing
basedir = os.path.dirname(_testing.__file__)
self.data = np.load(os.path.join(basedir, 'rgba129x104.npy'))
self.red = _ArraySource2d(self.data[:,:,0])
self.green = _ArraySource2d(self.data[:,:,1])
self.blue = _ArraySource2d(self.data[:,:,2])
self.alpha = _ArraySource2d(self.data[:,:,3])
self.ims_rgba = RGBAImageSource( self.red, self.green, self.blue, self.alpha, RGBALayer( self.red, self.green, self.blue, self.alpha) )
self.ims_rgb = RGBAImageSource( self.red, self.green, self.blue, ConstantSource(), RGBALayer(self.red, self.green, self.blue) )
self.ims_rg = RGBAImageSource( self.red, self.green, ConstantSource(), ConstantSource(), RGBALayer(self.red, self.green ) )
self.ims_ba = RGBAImageSource( red = ConstantSource(), green = ConstantSource(), blue = self.blue, alpha = self.alpha, layer = RGBALayer( blue = self.blue, alpha = self.alpha ) )
self.ims_a = RGBAImageSource( red = ConstantSource(), green = ConstantSource(), blue = ConstantSource(), alpha = self.alpha, layer = RGBALayer( alpha = self.alpha ) )
self.ims_none = RGBAImageSource( ConstantSource(),ConstantSource(),ConstantSource(),ConstantSource(), RGBALayer())
def testRgba( self ):
img = self.ims_rgba.request(QRect(0,0,129,104)).wait()
#img.save('rgba.tif')
def testRgb( self ):
img = self.ims_rgb.request(QRect(0,0,129,104)).wait()
#img.save('rgb.tif')
def testRg( self ):
img = self.ims_rg.request(QRect(0,0,129,104)).wait()
#img.save('rg.tif')
def testBa( self ):
img = self.ims_ba.request(QRect(0,0,129,104)).wait()
#img.save('ba.tif')
def testA( self ):
img = self.ims_a.request(QRect(0,0,129,104)).wait()
#img.save('a.tif')
def testNone( self ):
img = self.ims_none.request(QRect(0,0,129,104)).wait()
#img.save('none.tif')
def testOpaqueness( self ):
ims_opaque = RGBAImageSource( self.red, self.green, self.blue, ConstantSource(), RGBALayer(self.red, self.green, self.blue, alpha_missing_value = 255), guarantees_opaqueness = True )
self.assertTrue( ims_opaque.isOpaque() )
ims_notopaque = RGBAImageSource( self.red, self.green, self.blue, ConstantSource(), RGBALayer(self.red, self.green, self.blue, alpha_missing_value = 100) )
self.assertFalse( ims_notopaque.isOpaque() )
class RGBAImageSourceTest( ImageSourcesTestBase ):
def setUp( self ):
super( RGBAImageSourceTest, self ).setUp()
basedir = os.path.dirname(volumina._testing.__file__)
self.data = numpy.load(os.path.join(basedir, 'rgba129x104.npy'))
self.red = _ArraySource2d(self.data[:,:,0])
self.green = _ArraySource2d(self.data[:,:,1])
self.blue = _ArraySource2d(self.data[:,:,2])
self.alpha = _ArraySource2d(self.data[:,:,3])
self.ims_rgba = RGBAImageSource( self.red, self.green, self.blue, self.alpha, RGBALayer( self.red, self.green, self.blue, self.alpha) )
self.ims_rgb = RGBAImageSource( self.red, self.green, self.blue, ConstantSource(), RGBALayer(self.red, self.green, self.blue) )
self.ims_rg = RGBAImageSource( self.red, self.green, ConstantSource(), ConstantSource(), RGBALayer(self.red, self.green ) )
self.ims_ba = RGBAImageSource( red = ConstantSource(), green = ConstantSource(), blue = self.blue, alpha = self.alpha, layer = RGBALayer( blue = self.blue, alpha = self.alpha ) )
self.ims_a = RGBAImageSource( red = ConstantSource(), green = ConstantSource(), blue = ConstantSource(), alpha = self.alpha, layer = RGBALayer( alpha = self.alpha ) )
self.ims_none = RGBAImageSource( ConstantSource(),ConstantSource(),ConstantSource(),ConstantSource(), RGBALayer())
def testRgba( self ):
img = self.ims_rgba.request(QRect(0,0,104,129)).wait()
#img.save('rgba.tif')
def testRgb( self ):
img = self.ims_rgb.request(QRect(0,0,104,129)).wait()
#img.save('rgb.tif')
def testRg( self ):
img = self.ims_rg.request(QRect(0,0,104,129)).wait()
#img.save('rg.tif')
def testBa( self ):
img = self.ims_ba.request(QRect(0,0,104,129)).wait()
#img.save('ba.tif')
def testA( self ):
img = self.ims_a.request(QRect(0,0,104,129)).wait()
#img.save('a.tif')
def testNone( self ):
img = self.ims_none.request(QRect(0,0,104,129)).wait()
#img.save('none.tif')
def testOpaqueness( self ):
ims_opaque = RGBAImageSource( self.red, self.green, self.blue, ConstantSource(), RGBALayer(self.red, self.green, self.blue, alpha_missing_value = 255), guarantees_opaqueness = True )
self.assertTrue( ims_opaque.isOpaque() )
ims_notopaque = RGBAImageSource( self.red, self.green, self.blue, ConstantSource(), RGBALayer(self.red, self.green, self.blue, alpha_missing_value = 100) )
self.assertFalse( ims_notopaque.isOpaque() )
