def test_resize_only(self):
pipeline = giraffe.build_pipeline({"w": 100, "h": 50})
self.assertEqual(
pipeline,
[giraffe.ImageOp('resize', {
'width': 100,
'height': 50
})])
def test_fit_liquid(self):
pipeline = [giraffe.ImageOp('liquid', {'width': 100, 'height': 100})]
try:
img = giraffe.process_image(self.image, pipeline)
except MissingDelegateError:
pytest.skip(
"ImageMagick doesn't have Liquid Rescale support compiled in")
self.assertEqual(img.size, (100, 100))
def test_fit_crop_center(self):
pipeline = [
giraffe.ImageOp(giraffe.fit_crop, {
'width': 100,
'height': 100,
'anchor': 'center'
})
]
img = giraffe.process_image(self.image, pipeline)
self.assertEqual(img.size, (100, 100))
def test_rotate(self):
# draw an image with a single red column in the middle
with Color('white') as bg, Color('red') as fg:
image = Image(width=100, height=100, background=bg)
with Drawing() as draw:
draw.fill_color = fg
draw.stroke_color = fg
draw.rectangle(left=50, top=0, right=54, bottom=image.height)
draw(image)
pipeline = [giraffe.ImageOp('rotate', {'degrees': 90})]
rotated_image = giraffe.process_image(image, pipeline)
# verify that that image has a sideways bar of red in the middle
for i, row in enumerate(rotated_image):
for col in row:
self.assertEqual(col.red, 1.0)
if 50 <= i <= 54:
self.assertEqual(col.blue, 0.0)
self.assertEqual(col.green, 0.0)
else:
self.assertNotEqual(col.blue, 0.0)
self.assertNotEqual(col.green, 0.0)
def test_rotate(self):
pipeline = giraffe.build_pipeline({"rot": 90})
self.assertEqual(pipeline,
[giraffe.ImageOp('rotate', {'degrees': 90})])
def test_resize(self):
pipeline = [giraffe.ImageOp("resize", {'width': 100, 'height': 100})]
img = giraffe.process_image(self.image, pipeline)
self.assertEqual(img.size, (100, 100))