def test_calculate(self):
im = Image.open(self._data_path('100x100.png'))
crop = Crop(im, width=50, height=50)
self.assertEqual(crop.calculate(), (50, 50))
crop = Crop(im, width=50)
self.assertEqual(crop.calculate(), (50, 100))
crop = Crop(im, height=50)
self.assertEqual(crop.calculate(), (100, 50))
def test_adjust(self):
im = Image.open(self._data_path('100x100.png'))
new_im = Image.open(self._data_path('50x50_crop.png'))
crop = Crop(im, width=50, height=50)
self.assertImageEqual(crop.adjust(), new_im)
new_im = Image.open(self._data_path('50x100_crop.png'))
crop = Crop(im, width=50)
self.assertImageEqual(crop.adjust(), new_im)
new_im = Image.open(self._data_path('100x50_crop.png'))
crop = Crop(im, height=50)
self.assertImageEqual(crop.adjust(), new_im)
new_im = Image.open(self._data_path('50x50_crop_area.png'))
crop = Crop(im, width=50, height=50, areas=[Area(x1=21, y1=46, x2=70, y2=95)])
self.assertImageEqual(crop.adjust(), new_im)