# coding: utf-8

## Resize an image (either from external apps' share-sheet, or via photo-roll)

import photos, appex, sys, console

if appex.is_running_extension():

im = appex.get_image()

else:

im = photos.pick_image()

if im is None:

console.hud_alert("No image chosen", "error", 1.0)

sys.exit(0)

else:

assert str(type(im))[8:-2][4:].partition("ImagePlugin")[0] in ("Bmp", "Gif", "Jpeg", "Png", "Ppm", "Tiff")

width, height = im.size

percentage = int(console.input_alert("Resize image to _%", "Enter number"))

fraction = percentage / 100.0

new_width = int(round(width*float(fraction)))

new_height = int(round(height*float(fraction)))

im2 = im.resize((new_width, new_height))

saved = photos.save_image(im2)

if saved:

console.hud_alert("Successfully saved resized image ({0}%)".format(int(percentage)))

else:

console.hud_alert("Unsuccessfully saved resized image ({0}%)".format(int(percentage)), "error")