Converts Images in Directory to PowerPoint Slides

ImagesToPowerPoint.py

#!/usr/bin/env python3
import os
import glob
import collections # cause of yew python 3.10
import collections.abc # cause of yew python 3.10
# import pptx # pip install python-pptx
from pptx import Presentation
from pptx.util import Inches
from pptx.dml.color import RGBColor
from PIL import Image

def px_to_emu(pixels):
	return int(pixels * 9525)

def add_image_slide(presentation, image_path):
	slide_layout = presentation.slide_layouts[6]  # Use a blank slide layout without title
	slide = presentation.slides.add_slide(slide_layout)

	# Set the slide background to black
	background = slide.background
	fill = background.fill
	fill.solid()
	fill.fore_color.rgb = RGBColor(0, 0, 0)

	# Center and maintain aspect ratio
	image = Image.open(image_path)
	image_width, image_height = image.size
	aspect_ratio = float(image_width) / float(image_height)

	slide_width = presentation.slide_width
	slide_height = presentation.slide_height

	# Convert the slide dimensions from EMU to pixels
	slide_width_px = int(slide_width / 9525)
	slide_height_px = int(slide_height / 9525)

	new_width = image_width
	new_height = image_height

	if (image_width > slide_width_px) or (image_height > slide_height_px):
		if aspect_ratio > 1:
			max_height = int(slide_width_px / aspect_ratio)
			if max_height > slide_height_px:
				new_height = slide_height_px
			else:
				new_height = max_height
			new_width = int(new_height * aspect_ratio)
			# print( "Landscape Mode" )
			# print( image_width , slide_width_px , new_width )
			# print( image_height , slide_height_px , new_height )
		else:
			max_width = int(slide_height_px * aspect_ratio)
			if max_width > slide_width_px:
				new_width = slide_width_px
			else:
				new_width = max_width
			new_height = int(new_width / aspect_ratio)
			# print( "Portrait Mode" )
			# print( image_width , slide_width_px , new_width )
			# print( image_height , slide_height_px , new_height )

	left = int((slide_width - px_to_emu(new_width)) / 2)
	top = int((slide_height - px_to_emu(new_height)) / 2)
	slide.shapes.add_picture(image_path, left, top, width=px_to_emu(new_width), height=px_to_emu(new_height))

if __name__ == "__main__":
	# Path to directory with images
	image_dir = "/path/to/images"

	output_ppt = 'output.pptx'

	# Create a new PowerPoint presentation
	presentation = Presentation()
	presentation.slide_width = Inches(13.33)
	presentation.slide_height = Inches(7.5)


	# Iterate through all image files in the directory
	for image_path in glob.glob(os.path.join(image_dir, '*.*')):
		if image_path.lower().endswith(('.png', '.jpg', '.jpeg', '.gif', '.bmp', '.tiff')):
			add_image_slide(presentation, image_path)

	# Save the presentation
	presentation.save(output_ppt)
	print(f"Presentation created successfully as '{output_ppt}'.")