def _smart_fn(filename):
try:
image_w, image_h = Util.get_size(filename)
primary_w, primary_h = Util.get_primary_display_size(hidpi_scaled=True)
total_w, total_h = Util.get_multimonitor_display_size()
if image_w * image_h * 10 < primary_w * primary_h:
# image way smaller than primary monitor, tile it
return DisplayModeData(set_wallpaper_param="wallpaper")
else:
image_ratio = image_w / image_h
primary_ratio = primary_w / primary_h
total_ratio = total_w / total_h
if 2 * abs(image_ratio - primary_ratio) / (image_ratio +
primary_ratio) < 0.2:
# image ratio is close to primary screen ratio, zoom
return DisplayModeData(set_wallpaper_param="zoom")
elif 2 * abs(image_ratio - total_ratio) / (image_ratio +
total_ratio) < 0.2:
# image ratio is close to multimonitor total screen ratio, span it
return DisplayModeData(set_wallpaper_param="spanned")
else:
# image ratio not close to screen ratio, fit with a blurred background
cmd = IMAGEMAGICK_FIT_WITH_BLUR.replace(
"%W", str(primary_w)).replace("%H", str(primary_h))
return DisplayModeData(set_wallpaper_param="zoom",
imagemagick_cmd=cmd)
except:
return DisplayModeData(set_wallpaper_param="zoom")
def test_get_size(self):
self.assertEqual((32, 32), Util.get_size("test.jpg"))
self.assertRaises(Exception, lambda: Util.get_size("fake_image.jpg"))
def test_get_size(self):
self.assertEquals((32, 32), Util.get_size('test.jpg'))
self.assertRaises(Exception, lambda: Util.get_size('fake_image.jpg'))
