#Photobooth app clone how to#
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alpha = 0 #make the top image fully transparent alpha = 255 #make the top image fully visibleР”В®lif i = ( 2 * blink_speed ): overlay_2. If is_pressed is None : i = i + 1 #After every 5 cycles, alternate the overlay FALLING, timeout = 100 ) #Stay inside loop, until button is pressed The logic for alternating between the images looks like this: #Amount of cycles to wait, when alternating between each frameР”В«link_speed = 5 #Use falling edge detection to see if button is pushed Intro_image_1 = REAL_PATH + '/assets/intro_1.png' intro_image_2 = REAL_PATH + '/assets/intro_2.png' overlay_1 = overlay_image ( intro_image_1, 0, 3 ) overlay_2 = overlay_image ( intro_image_2, 0, 4 ) #Wait for someone to push the button start_preview ( resolution = ( screen_w, screen_h )) #Display intro screen Print ( 'Welcome to the photo booth!' ) print ( 'Press the button to take a photo' ) #Start camera previewР”В¬amera. The first bit loads up some РІР‚СљintroРІР‚Сњ images, which we alternate between whilst waiting for a user to push the button: def main (): ''' ItРІР‚в„ўs not super important to understand how these work.Р”Р‡inally, the file defines the main function, which is effectively the РІР‚СљstartРІР‚Сњ of the program. The main loopР”Р„fter defining our configuration options, there is a number of РІР‚Сљhelper functionsРІР‚Сњ defined. Per the above, my camera is mounted with a rotation of 270Р’В°, but if your camera is mounted at a different angle then you will need to adjust this value. You can modify any of the values above to adjust the behaviour of the photo booth.Р”Р„dditional configuration applies when initialising the camera: #Setup CameraР”В¬amera = picamera. The Configurable options are now defined within config.yaml instead (otherwise, the behaviour is the same).Photo_h = 1152 screen_w = 800 # resolution of the photo booth display

Photo_w = 1920 # take photos at this resolution Prep_delay = 4 # number of seconds as users prepare to have photo taken Total_pics = 4 # number of pics to be taken Pin_camera_btn = 21 # pin that the button is attached to Configurable optionsР”Р‡urther down the file, are a set of variables that will be used by our code: #

#Photobooth app clone code#

This means our code doesnРІР‚в„ўt need to consider all of the intricacies that are associated with such things, and that saves us a bunch of time. These libraries provide simple mechanisms for dealing with images, timestamps, the PiРІР‚в„ўs GPIO pins, and other complex features. Import datetime import os from time import sleep from PIL import Image import picamera import RPi.GPIO as GPIO These statements used to include some specific Python libraries into our app: #Imports We start off with the file header, which tells us that this is an app written in the Python programming language: #!/bin/python In case you are curious, why not have a look at the code within the python file camera.py? IРІР‚в„ўll try to explain the various parts as they appear in the file. We can then run the code via File> Run Module: Examining the code Looking under the hood Within /home/pi/photo-booth, locate and open camera.py: Within the Python GUI, you can then the code we downloaded via File> Open. My code is also compatible with Python 2, but Python 3 is currently recommended.One method of doing this, is opening the Applications menu, and selecting Programming then Python 3 (IDLE). Now that the code has downloaded, we can open up Python and run the Photo Booth code.

#Photobooth app clone install#

Python3 -m pip install -r requirements.txt Getting the code to run

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We can download these from the terminal: cd ~/photo-booth The code relies upon some additional Python libraries being downloaded also. Downloading the code with 'git clone' Installing prerequisite packages The above will create a new directory ( /home/pi/photo-booth/), and then download the Raspberry Pi Photo Booth code, for you to use. Downloading the codeР”Р„s we did in Part 2, open your terminal application on the Pi, and enter the following commands: mkdir ~/photo-booth

We can remotely connect to the Raspberry Pi (via the steps described in Part 2).Р”В¬onnecting to the Pi remotely has the advantage of giving you a larger screen, and is the approach I would recommend.

Connect a mouse and keyboard to the Pi, or.

(Presumably, all of these components will now all be housed in a photo booth enclosure also).

An arcade button, connected across GPIO21 and Ground.

The Pi will also be connected to following components.

A Raspberry Pi, running Raspian (or an OS of your choice, as described within Part 2).

If youРІР‚в„ўve followed all the previous parts of this series, then so far, youРІР‚в„ўll have:

#Photobooth app clone series#

Part 5 of this series is all about the code, and optimising the performance of our Pi. IРІР‚в„ўll be writing the remaining articles for this series in the coming days and weeks.

Part 2: Getting started with Pi and PiCamera.

#Photobooth app clone how to#

This article is РІР‚ВPart 5РІР‚в„ў of my How to build a Photo Booth series: