def resize_im(src, dst, size, factor=100):
"""resize with pystacia"""
image = read(src)
width, height = size
scale = max(float(width) / image.width, float(height) / image.height)
if scale > 1:
image.rescale(factor=(scale + .001))
elif scale < 0.9:
image.rescale(factor=scale)
scale = max(float(width) / image.width, float(height) / image.height)
x = (image.width * scale - width) / 2
y = (image.height * scale - height) / 2
print image, scale, width, height, x, y
image.resize(
int(width), int(height),
int(x), int(y),
)
if factor != 100:
image.rescale(factor=factor / 100.)
kwargs = {}
fname, ext = os.path.splitext(src)
if ext in ('.jpeg', '.jpg'):
kwargs['quality'] = 85
kwargs['strip'] = True
image.write(dst, **kwargs)
def resize_im(src, dst, size, factor=100):
"""resize with pystacia"""
image = read(src)
width, height = size
scale = max(float(width) / image.width, float(height) / image.height)
if scale > 1:
image.rescale(factor=(scale + .001))
elif scale < 0.9:
image.rescale(factor=scale)
scale = max(float(width) / image.width, float(height) / image.height)
x = (image.width * scale - width) / 2
y = (image.height * scale - height) / 2
print image, scale, width, height, x, y
image.resize(
int(width),
int(height),
int(x),
int(y),
)
if factor != 100:
image.rescale(factor=factor / 100.)
kwargs = {}
fname, ext = os.path.splitext(src)
if ext in ('.jpeg', '.jpg'):
kwargs['quality'] = 85
kwargs['strip'] = True
image.write(dst, **kwargs)
def test_read(self):
self.assertRaises(IOError, lambda: read('/non/existant.qwerty'))
img = self.img
tmpname = mkstemp()[1] + '.bmp'
img.write(tmpname)
img = read(tmpname)
self.assertSequenceEqual(img.size, sample_size)
self.assertEqual(img.type, sample_type)
self.assertTrue(img.colorspace.name.endswith('rgb'))
self.assertEqual(img.depth, 8)
img.close()
def test_show(self):
img = self.img
tmpname = img.show(no_gui=True)
if 'png' in magick.get_formats():
self.assertTrue(tmpname.endswith('.png'))
else:
self.assertTrue(tmpname.endswith('.bmp'))
self.assertTrue(read(tmpname).is_same(img))
def test_write(self):
img = self.img
tmpname = mkstemp()[1] + '.bmp'
img.write(tmpname)
img = read(tmpname)
self.assertEqual(img.size, sample_size)
self.assertTrue(img.colorspace.name.endswith('rgb'))
self.assertEqual(img.type, sample_type)
img.close()
def test(self):
import pystacia
from pystacia import image
with catch_warnings(record=True) as w:
simplefilter('always')
self.assertTrue(
image.blank(30, 30).is_same(pystacia.blank(30, 30)))
self.assertTrue('blank' in w[-1].message.args[0])
if lena_available():
self.assertTrue(image.lena().is_same(pystacia.lena()))
self.assertTrue('lena' in w[-1].message.args[0])
tmpname = mkstemp()[1] + '.bmp'
img = sample()
img.write(tmpname)
self.assertTrue(
pystacia.read(tmpname).is_same(image.read(tmpname)))
self.assertTrue('read' in w[-1].message.args[0])
self.assertTrue(
pystacia.read_blob(img.get_blob('bmp')).is_same(
image.read_blob(img.get_blob('bmp'))))
self.assertTrue(
pystacia.read_raw(**img.get_raw('rgb')).is_same(
image.read_raw(**img.get_raw('rgb'))))
img.close()
for symbol in [
'magick_logo', 'wizard', 'netscape', 'granite', 'rose'
]:
self.assertTrue(
getattr(image,
symbol)().is_same(getattr(pystacia, symbol)()))
self.assertTrue(symbol in w[-1].message.args[0])
self.assertIsInstance(pystacia.Image(), image.Image)
names = [
'composites', 'types', 'filters', 'colorspaces',
'compressions', 'axes'
]
for name in names:
self.assertEqual(
getattr(pystacia, name).x,
getattr(image, name).x)
self.assertTrue(name in w[-1].message.args[0])
def test(self):
import pystacia
from pystacia import image
with catch_warnings(record=True) as w:
simplefilter('always')
self.assertTrue(image.blank(30, 30).
is_same(pystacia.blank(30, 30)))
self.assertTrue('blank' in w[-1].message.args[0])
if lena_available():
self.assertTrue(image.lena().is_same(pystacia.lena()))
self.assertTrue('lena' in w[-1].message.args[0])
tmpname = mkstemp()[1] + '.bmp'
img = sample()
img.write(tmpname)
self.assertTrue(pystacia.read(tmpname).
is_same(image.read(tmpname)))
self.assertTrue('read' in w[-1].message.args[0])
self.assertTrue(pystacia.read_blob(img.get_blob('bmp')).
is_same(image.read_blob(img.get_blob('bmp'))))
self.assertTrue(pystacia.read_raw(**img.get_raw('rgb')).
is_same(image.read_raw(**img.get_raw('rgb'))))
img.close()
for symbol in ['magick_logo', 'wizard',
'netscape', 'granite', 'rose']:
self.assertTrue(getattr(image, symbol)().
is_same(getattr(pystacia, symbol)()))
self.assertTrue(symbol in w[-1].message.args[0])
self.assertIsInstance(pystacia.Image(), image.Image)
names = ['composites', 'types', 'filters', 'colorspaces',
'compressions', 'axes']
for name in names:
self.assertEqual(getattr(pystacia, name).x,
getattr(image, name).x)
self.assertTrue(name in w[-1].message.args[0])
def resize_im(src, dst, size, factor=100):
"""resize with pystacia"""
image = read(src)
width, height = size
scale = max(float(width) / image.width, float(height) / image.height)
if scale > 1:
image.rescale(factor=(scale + .001))
elif scale < 0.9:
image.rescale(factor=scale)
scale = max(float(width) / image.width, float(height) / image.height)
x = (image.width * scale - width) / 2
y = (image.height * scale - height) / 2
image.resize(
int(width), int(height),
int(x), int(y),
)
if factor != 100:
image.rescale(factor=factor / 100.)
image.write(dst)
def resize_im(src, dst, size, factor=100):
"""resize with pystacia"""
image = read(src)
width, height = size
scale = max(float(width) / image.width, float(height) / image.height)
if scale > 1:
image.rescale(factor=(scale + .001))
elif scale < 0.9:
image.rescale(factor=scale)
scale = max(float(width) / image.width, float(height) / image.height)
x = (image.width * scale - width) / 2
y = (image.height * scale - height) / 2
image.resize(
int(width),
int(height),
int(x),
int(y),
)
if factor != 100:
image.rescale(factor=factor / 100.)
image.write(dst)
from pystacia.image import read
image = read('example.png')
image.rescale(320, 240)
image.rotate(30)
image.show()
image.write('output.jpeg')
# free acquired resources
image.close()
from pystacia.image import read
image = read('example.png')
image.rescale(320, 240)
image.rotate(30)
image.show()
image.write('output.jpeg')
# free acquired resources
image.close()
