camera2.py

# https://forum.omz-software.com/topic/3365/photos-module-start-camera-from-button/26

import ui
import console
import clipboard
from objc_util import *
import ctypes
from PIL import Image


def imagePickerController_didFinishPickingMediaWithInfo_(self,cmd,picker,info):

	pick = ObjCInstance(picker)
	# Set delegate to nil, and release its memory:
	pick.setDelegate_(None)
	ObjCInstance(self).release()
	# Dismiss the sheet:
	pick.dismissViewControllerAnimated_completion_(True, None)
	
	# Get UIImage
	infos = ObjCInstance(info)
	print(infos)
	img = infos['UIImagePickerControllerEditedImage']   # UIImage
	# or
	#img = infos['UIImagePickerControllerOriginalImage']
	print(img)
	print(img.ptr)
	
	# I can't convert UIImage into ui.Image 🤕
	
	# Save UIImage to jpg file
	func = c.UIImageJPEGRepresentation
	func.argtypes = [ctypes.c_void_p, ctypes.c_float]
	func.restype = ctypes.c_void_p
	x = ObjCInstance(func(img.ptr, 1.0))
	x.writeToFile_atomically_('test.jpg', True)
	
	# Display jpg file
	image = Image.open("test.jpg")
	image.show()
	
SUIViewController = ObjCClass('SUIViewController')

MyPickerDelegate = create_objc_class('MyPickerDelegate',
methods=[imagePickerController_didFinishPickingMediaWithInfo_], protocols=['UIImagePickerControllerDelegate'])

class Extracter(ui.View):
	def __init__(self):
	
		# Take Photo Button
		self.take_photo = ui.Button(flex = 'LR', title = 'Take Photo')
		self.take_photo.action = self.take_photo_action
		self.add_subview(self.take_photo)
		
	# Take Photo Action
	#@ui.in_background
	@on_main_thread
	def take_photo_action(self, sender):
	
		# Show camera
		picker = ObjCClass('UIImagePickerController').alloc().init()
		
		delegate = MyPickerDelegate.alloc().init()
		picker.setDelegate_(delegate)
		
		picker.allowsEditing = True
		picker.sourceType = 1 # UIImagePickerControllerSourceTypeCamera
		super_view = sender.superview
		super_view_pntr = ObjCInstance(super_view)
		vc = SUIViewController.viewControllerForView_(super_view_pntr)
		vc.presentModalViewController_animated_(picker, True)
		
# Protect against import
if __name__ == '__main__':
	view = Extracter()
	view.present('sheet')