Python Coding With Pysimplegui For Watermarking App - Assignment Solution

You have given a working Python coding with Pysimplegui for watermarking app and you need modification to include: 1) Total Image Scanned 2) Save Folder option 3) (Most important) Process status/Progress bar and also the report related to it: Total Image Watermarked Processing Time: Finished at: This is the full Python coding combine with Pysimplegui for everything else other than:

1. Total Image Scanned
2. Save Folder option
3. Process Status with:

• Total Image Watermarked:
• Processing Time
• Finished at: 

 

Python Coding With Pysimplegui For Watermarking App - Get Assignment Solution

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Free Assignment Solution -  Python Coding With Pysimplegui For Watermarking App

"""
Python Script for the images watermarking application.
"""

#importing necessary libraries
import cv2
import numpy as np
import PySimpleGUI as sg
import os
import time,datetime

# function that creates the watermark
"""
 Arguments description:
 folder: the folder where the images are stored
 file: the file name of the image
 text: the text to be watermarked
 opacity: the opacity of the watermark
 fontSize: the font size of the text
"""
def watermark(folder,file,folderOutput,text,opacity,fontSize):
    fontSize = fontSize//10 #converting the font size to the size of scale as cv2 only supports image scale of 1 to 10(very large)
    opacity = opacity/100 # converting the opacity to the scale of cv2
    img = cv2.imread(os.path.join(folder,file)) # reading the image
    overlay = img.copy() # copying the image for overlay purpose (used later for the opacity)
    font = cv2.FONT_HERSHEY_SIMPLEX # keeping the font as FONT_HERSHEY_SIMPLEX
    # Calculating the center coordinates for the text
    textsize = cv2.getTextSize(text, font, fontSize, 2)[0]
    textX = (img.shape[1] - textsize[0]) // 2
    textY = (img.shape[0] + textsize[1]) // 2
    # Adding the text to the image with color black and thickness of 2
    cv2.putText(img, text, (textX,textY), font, fontSize, (0, 0, 0), 2)
    # Alpha value for opacity of the overlay
    alpha = 1 - opacity
    cv2.addWeighted(overlay, alpha, img, 1 - alpha,0, img)

    # the final watermarked file would be saved in the same folder as the image_name + _watermarked.[.jpg/.jpeg/.png]
    file = file.split('.')
    name = file[0]
    extension = file[1]
    # writing the image
    cv2.imwrite(os.path.join(folderOutput,name+'_watermarked.'+extension),img)

"""
Below is the code for making the GUI using PySimpleGUI
"""
# choices list stores the image file names in the folder selected by the user
choices = []
logs = []
# column1
col1 = [  
    [sg.Text('Input Images Folder:'), sg.In(size=(25,1), enable_events=True ,key='-FOLDER-'), sg.FolderBrowse()],
    [sg.Text('Image Files in the selected folder that would be watermarked:')],
            [sg.Listbox(choices, size=(40, len(choices)), key='-FILES-')],
            [sg.Text('Total Images Scanned: '), sg.Text('0', key='-TOTAL-',text_color='black',background_color='white'),],
             ]
# column2
col2 = [[sg.T("")],
    [sg.Text('Font Opacity(0-100)   '), sg.In(size=(18,1), enable_events=True ,key='-OPACITY-')],
[    sg.Text('Font Size(10-100)       '), sg.In(size=(18,1), enable_events=True ,key='-FONT_SIZE-')],
[    sg.Text('Water Mark Text         '), sg.In(size=(18,1), enable_events=True ,key='-TEXT-')],
[sg.T("")]]
# column3
col3 = [
[sg.Text('Save Folder:'), sg.In(size=(25,1), enable_events=True ,key='-SAVE_FOLDER-'), sg.FolderBrowse()],
[sg.Text('Process Status: '), sg.Text('Idle', key='-PROCESS_STATUS-',text_color='black',background_color='white'),],
[sg.Listbox(logs, size=(40, len(choices)), key='-LOGS-'),sg.Button('Start', key='-START-'),sg.Button('Exit', key='-EXIT-')]
]
# final layout
layout = [
    [sg.Column(col1),
     sg.VSeperator(pad=(0, 0)),
     sg.Column(col2),
     sg.VSeperator(pad=(0, 0)),
    sg.Column(col3)
     ]
]

# creating the window
window = sg.Window('Watermarking Application', layout,auto_size_text=True,
                   auto_size_buttons=True, resizable=True, grab_anywhere=False, border_depth=5,
                   default_element_size=(15, 1), finalize=True, element_justification='l')

# GUI event loop
while True:
    event, values = window.read()
    # if the event is to close the window
    if event in (sg.WIN_CLOSED, '-EXIT-'):
        break
    # if the event is to browse the folder
    if event == '-FOLDER-':
        folder = values['-FOLDER-'] 
        files = []
        if folder is not None and folder != '':
            files = os.listdir(folder)
        choices =[]
        for file in files:
            if file.endswith(('.jpg', '.png', 'jpeg')):
                choices.append(file)
        window['-FILES-'].update( values=choices)
        window['-TOTAL-'].update(len(choices))
    # if the event is to start the watermarking
    if event == '-START-':
        text = values['-TEXT-']
        opacity = (values['-OPACITY-'])
        fontSize = (values['-FONT_SIZE-'])
        # checks for the validity of the input
        if text==None or fontSize==None or opacity==None:
            sg.popup('Please enter all the fields!')
            continue
        try:
            opacity = int(opacity)
            if opacity<0 or opacity>100:
                sg.popup('Please enter a valid opacity value!')
                continue
        except:
            sg.popup('Please enter a valid opacity value!')
            continue
        
        try:
            fontSize = int(fontSize)
            if fontSize<10 or fontSize>100:
                sg.popup('Please enter a valid font size value!')
                continue
        except:
            sg.popup('Please enter a valid font size value!')
            continue
        folder = values['-FOLDER-']
        folderOutput = values['-SAVE_FOLDER-']
        if folder == None or folder == "":
            sg.popup('Please select a folder to save the watermarked images!')
            continue
        # calling the watermark function to watermark the images
        window['-PROCESS_STATUS-'].update('Processing Images...')
        start = time.time()
        for file in choices:
            watermark(folder,file,folderOutput,text,opacity,fontSize)
        end = time.time()
        now = datetime.datetime.now()
        current_time = now.strftime("%H:%M:%S")
        logs = [
            f"Total watermarked images: {len(choices)}",
            f"Processing time: {end-start} seconds",
            f"Finished at time: {current_time}"
        ]
        window['-LOGS-'].update(values=logs)
        window['-PROCESS_STATUS-'].update('Done...')
        sg.popup('Watermarking Completed!')

"""
End of the script
"""

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About The Author - Emma Smith

Emma Smith is an experienced software developer skilled in Python and adept at using PySimpleGUI to create intuitive user interfaces. With a focus on application enhancement, Emma is dedicated to integrating advanced features such as progress bars and status reports to optimize user interaction and workflow efficiency.