Free App! ImgSlide 3.1 – Slide images and join them into a PDF

Let’s add a new feature to ImageSlider, the free app made in python to make presentations out of png files (or to browse images). We will add the feature to create a pdf file out of the images.

You may want to know:

how to convert all images into a pdf file
the previous version of this code: Imagebrowser 3.0
the first second of this code: imagebrowser 2.0
the first version: Imagebroswer 1.0 (with labels instead of canvas)
the alternative version with svg files: SvgSlider

The code

import tkinter as tk
import glob
import os
from tkinter import filedialog

cd = os.getcwd()
print(cd)


from fpdf import FPDF
from PIL import Image
import os


def makePDF():
    "Takes filename and number of pages abd creates pdf"
    lst_files = [
        f for f in os.listdir()
        if f.endswith(".png") or f.endswith(".PNG")]
    w = 800
    h = 600
    for f in lst_files:
        cover = Image.open(f)
        if cover.size[0] > w:
            w = cover.size[0]
        if cover.size[1] > h:
            h = cover.size[1]
    nomefile = filedialog.asksaveasfilename()
    pdf = FPDF(unit="pt", format=[w, h])
    for page in lst_files:
        pdf.add_page()
        pdf.image(page, 0, 0)
    pdf.output(nomefile + ".pdf", "F")
    os.startfile(nomefile + ".pdf")



def insertfiles():
    for filename in glob.glob("*.png"):
        lst.insert(tk.END, filename)


def showimg(event):
    n = lst.curselection()
    filename = lst.get(n)
    img = tk.PhotoImage(file=filename)
    w, h = img.width(), img.height()
    print(filename)
    canvas.image = img
    canvas.config(width=w, height=h)
    canvas.create_image(0, 0, image=img, anchor=tk.NW)


root = tk.Tk()
root.geometry("800x600+300+50")
lst = tk.Listbox(root, width=20)
lst.pack(side="left", fill=tk.BOTH, expand=0)
lst.bind("<<ListboxSelect>>", showimg)
insertfiles()
canvas = tk.Canvas(root)
canvas.pack()
menu = tk.Menu()
menu.add_command(label="PDF", command=makePDF)
root.configure(menu=menu)
root.mainloop()