simplebooth/overlay_functions.py
2017-06-03 22:37:21 -07:00

70 lines
2.3 KiB
Python

# Adapted from some original code by bennuttall and waveform80
# -------------------------------------------------------------
from PIL import Image
from PIL import ImageOps
from itertools import cycle
# EDIT THESE VALUES ------------------------
overlays_dir = "/home/pi/Pi-Photobooth/overlays"
overlays = ['bald_head','bunny1','bunny2','dog','monster','unicorn','mouth','ears','dog_face','eyes','girl', 'cowboy', 'top', 'pink', 'glassesnose', 'wings', 'moustache', 'angel','sunglasses', 'elvis', 'emo', 'blackhat_sm', 'emo2', 'baseball_sm', 'flowers', 'santa_sm', 'alps_sm', 'mop', 'glasses',""]
# ------------------------------------------
overlay = overlays[0] # Starting value
def _get_overlay_image(overlay):
# Open the overlay as an Image object
return Image.open(overlays_dir + "/" + overlay + ".png")
def _pad(resolution, width=32, height=16):
# Pads the specified resolution
# up to the nearest multiple of *width* and *height*; this is
# needed because overlays require padding to the camera's
# block size (32x16)
return (
((resolution[0] + (width - 1)) // width) * width,
((resolution[1] + (height - 1)) // height) * height,
)
def remove_overlays(camera):
# Remove all overlays from the camera preview
for o in camera.overlays:
camera.remove_overlay(o)
def preview_overlay(camera=None, overlay=None):
# Remove all overlays
remove_overlays(camera)
# Get an Image object of the chosen overlay
overlay_img = _get_overlay_image(overlay)
# Pad it to the right resolution
pad = Image.new('RGB', _pad(camera.resolution))
pad.paste(overlay_img, (0, 0),overlay_img)
# Add the overlay
camera.add_overlay(pad.tobytes(),alpha=150, layer=3)
def output_overlay(output=None, overlay=None):
# Take an overlay Image
overlay_img = _get_overlay_image(overlay)
background = Image.open(output)
# ...and a captured photo
#output_img = Image.open(output).convert('RGBA')
overlay_img = ImageOps.mirror(overlay_img)
# Combine the two and save the image as output
background.paste(overlay_img,(0,0),overlay_img)
background.save(output)
def output_no_overlay(output=None):
background = Image.open(output)
background.save(output)
all_overlays = cycle(overlays)