def test_add_border__pixels_over_ratio_are_cropped(self):
ratio = (2, 3)
(img_w_mm, img_h_mm) = (100, 150)
border_mm = 0 # No border needed in this test
(img_w_px, img_h_px) = (100 + 1, 150 + 2)
self.fake_image_size((img_w_px, img_h_px))
commands = img_add_border.add_border('in.jpg', ratio,
(img_w_mm, img_h_mm), border_mm,
WHITE)
self.assert_command(commands, 'convert', [['-extent', '100x150']])
def test_add_border__10x15cm_portrait__crop_height(self):
ratio = (2, 3)
(img_w_mm, img_h_mm) = (100, 150)
border_mm = 10
(img_w_px, img_h_px) = (960, 1560 + 100)
self.fake_image_size((img_w_px, img_h_px))
commands = img_add_border.add_border('in.jpg', ratio,
(img_w_mm, img_h_mm), border_mm,
WHITE)
self.assert_command(commands, 'convert', [['-extent', '960x1560']])
self.assert_command(commands, 'convert', [['-border', '120x120']])
def test_add_border__10x15cm_landscape__crop_width(self):
ratio = (3, 2)
(img_w_mm, img_h_mm) = (150, 100)
border_mm = 10
(img_w_px, img_h_px) = (1560 + 100, 960)
self.fake_image_size((img_w_px, img_h_px))
commands = img_add_border.add_border('in.jpg', ratio,
(img_w_mm, img_h_mm), border_mm,
WHITE)
self.assert_command(commands, 'convert', [['-extent', '1560x960']])
self.assert_command(commands, 'convert', [['-border', '120x120']])
def test_add_border__10x15cm_landscape__no_crop(self):
ratio = (3, 2)
(img_w_mm, img_h_mm) = (150, 100)
border_mm = 10
(img_w_px, img_h_px) = (1560, 960)
self.fake_image_size((img_w_px, img_h_px))
commands = img_add_border.add_border('in.jpg', ratio,
(img_w_mm, img_h_mm), border_mm,
WHITE)
# Cropping is not needed.
self.assert_no_such_command(commands, 'convert', [['-extent']])
# Added border 5 px on all sides.
self.assert_command(commands, 'convert', [['-border', '120x120']])
def test_add_border__artificial_square(self):
ratio = (1, 1)
(img_w_mm, img_h_mm) = (4, 4)
border_mm = 1
(img_w_px, img_h_px) = (10, 10)
self.fake_image_size((img_w_px, img_h_px))
commands = img_add_border.add_border('in.jpg', ratio,
(img_w_mm, img_h_mm), border_mm,
WHITE)
# Cropping is not needed.
self.assert_no_such_command(commands, 'convert', [['-extent']])
# Added border 5 px on all sides.
self.assert_command(commands, 'convert', [['-border', '5x5']])
def test_add_border__convert_dpi(self):
ratio = (2, 3)
img_w_mm = img_add_border.convert_to_mm(4, 'inch')
img_h_mm = img_add_border.convert_to_mm(6, 'inch')
border_mm = 0 # No border needed in this test
(img_w_px, img_h_px) = (5000, 5000)
self.fake_image_size((img_w_px, img_h_px))
commands = img_add_border.add_border('in.jpg',
ratio, (img_w_mm, img_h_mm),
border_mm,
WHITE,
dpi=300)
self.assert_command(commands, 'convert',
[['-density', '300'], ['-resize', '1200x1800']])