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wallpaper: handle wide wallpapers

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This commit is contained in:
Vincent Bernat 2018-08-01 14:24:53 +02:00
parent 93fe3e3cef
commit 2588551af0
1 changed files with 37 additions and 20 deletions
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57
bin/build-wallpaper
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@ -49,14 +49,26 @@ screens.sort(key=lambda screen: -screen[0]*screen[1])
# Get as many random image as we have screens
images = []
for root, _, files in os.walk(os.path.join(options.directory)):
for base, _, files in os.walk(os.path.join(options.directory)):
for i in files:
if string.lower(os.path.splitext(i)[1]) in ('.jpg',
'.jpeg',
'.png'):
images.append(os.path.join(root, i))
images.append(os.path.join(base, i))
images = random.sample(images, len(screens))
images = [Image.open(image) for image in images]
# If more than one screen and one image has the right aspect ratio,
# use it.
if len(screens) > 1:
target = root.width_in_pixels * 100 / root.height_in_pixels
ratios = [image.size[0] * 100 / image.size[1] for image in images]
try:
index = ratios.index(target)
images = [images[index]]
except ValueError:
pass
print("wallpaper: {}".format(" + ".join(
["`%s`" % x.filename[(len(options.directory) + 1):]
for x in images])))
@ -68,25 +80,30 @@ for idx, image in enumerate(images):
os.remove(target)
os.symlink(os.path.abspath(image.filename), target)
for index in range(len(screens)):
x, y, offsetx, offsety = screens[index]
image = images[index]
if len(screens) > 1 and len(images) == 1:
# Wide wallpaper
if image.size != (root.width_in_pixels, root.height_in_pixels):
image = image.resize((root.width_in_pixels, root.height_in_pixels),
Image.CUBIC)
background.paste(image, (0, 0))
else:
for index in range(len(screens)):
x, y, offsetx, offsety = screens[index]
image = images[index]
# Find the right size for the screen
imx, imy = x, image.size[1]*x/image.size[0]
if (options.crop and imy < y) or (not options.crop and imy > y):
imx, imy = image.size[0]*y/image.size[1], y
image = image.resize((imx, imy), Image.CUBIC)
if options.crop:
image = image.crop(((imx-x)/2, (imy-y)/2,
imx-(imx-x)/2, imy-(imy-y)/2))
# Include it
if options.crop:
background.paste(image, (offsetx, offsety))
else:
background.paste(image, ((x-imx)/2 + offsetx,
(y-imy)/2 + offsety))
# Find the right size for the screen
imx, imy = x, image.size[1]*x/image.size[0]
if (options.crop and imy < y) or (not options.crop and imy > y):
imx, imy = image.size[0]*y/image.size[1], y
if image.size != (imx, imy):
image = image.resize((imx, imy), Image.CUBIC)
if options.crop:
image = image.crop(((imx-x)/2, (imy-y)/2,
imx-(imx-x)/2, imy-(imy-y)/2))
background.paste(image, (offsetx, offsety))
else:
background.paste(image, ((x-imx)/2 + offsetx,
(y-imy)/2 + offsety))
# Save
assert background, "Don't know the size of the display area"