From 8a9fb1dc914ccef11deb47472002b2a18f2c625e Mon Sep 17 00:00:00 2001 From: Ace Date: Sun, 3 Feb 2019 17:30:32 +0100 Subject: [PATCH] Delete 2-Colour-converter.py --- For-developers-only/2-Colour-converter.py | 104 ---------------------- 1 file changed, 104 deletions(-) delete mode 100644 For-developers-only/2-Colour-converter.py diff --git a/For-developers-only/2-Colour-converter.py b/For-developers-only/2-Colour-converter.py deleted file mode 100644 index 1f7a1b5..0000000 --- a/For-developers-only/2-Colour-converter.py +++ /dev/null @@ -1,104 +0,0 @@ -#!/usr/bin/python -# -*- coding: utf-8 -*- -import glob, os, errno -from PIL import Image -import PIL.ImageOps - -""" -Python converter for converting png, jpeg and bmp to usable .bmp files which -can be used by the E-Paper display. Currently, any image will be converted -to pure white and pure black pixels, without any shades of grey, just as the -displays expects them to be. - -Tested and confired to work - -Copyright by Ace-Laboratory -""" -#--------------only change the following two lines-----------------# -input_folder = '/home/pi/conversion/input/' -output_folder = '/home/pi/conversion/output/' -#-----------------no need to change anything below----------------# - -os.chdir(input_folder) - -""" Creating lists with filenames first""" - -pngs = [] -for files in glob.glob("*.png"): - print('found this png: '+ os.path.splitext(os.path.basename(files))[0]) - pngs.append(os.path.splitext(os.path.basename(files))[0]) - -bmps = [] -for files in glob.glob("*.bmp"): - print('found this bmp: ' files) - bmps.append(files) - -jpegs= [] -for files in glob.glob("*.jpeg"): - print('found this jpeg: '+ os.path.splitext(os.path.basename(files))[0]) - jpegs.append(os.path.splitext(os.path.basename(files))[0]) - -print('converting the images now') - - -"""Some variables first. It's required for reducing colours""" -thresh = 126 # any value below 127 works. -fn = lambda x : 255 if x > thresh else 0 - -""" Conversion is done in two steps: -1) Converting the file from .png or .jpeg .bmp to a greyscale .bmp -2) Inverting the colours and rotating the image 90° anticlockwise -""" - - -""" Step 1 conversion for png files""" -if not os.path.exists(input_folder+'pngs/'): - print('temporary png folder does not exist, creating now...') - os.makedirs(input_folder+'pngs/') - -print("attempting to convert pngs now...") -for files in pngs: - png=Image.open(input_folder+files+".png") - png.load() - background = Image.new("RGB", png.size, (255, 255, 255)) #removing alpha channel - background.paste(png, mask=png.split()[3]) #removing alpha channel - background.convert('L').point(fn, mode='1').save((input_folder+'pngs/'+files+'.bmp'), 'BMP', quality=90) - -""" Step 2 conversion for png files""" -png_bmp = [] -os.chdir(input_folder+'pngs/') -for files in glob.glob("*.bmp"): - png_bmp.append(files) -for files in png_bmp: - (PIL.ImageOps.invert((Image.open(input_folder+'pngs/'+files).rotate(-90, expand=True)).convert('L'))).save(output_folder+files) -print("All png files have been converted.") - - -os.chdir(input_folder) - -""" Step 1 conversion for jpeg files""" -if not os.path.exists(input_folder+'jpegs/'): - print('temporary jpeg folder does not exist, creating now...') - os.makedirs(input_folder+'jpegs/') - -print("attempting to convert jpeg now...") - -for files in jpegs: - (Image.open(input_folder+files+".jpeg").convert('L').point(fn, mode='1').save((input_folder+'jpegs/'+files+".bmp"), 'BMP', quality=90)) - -""" Step 2 conversion for jpeg files""" - -jpeg_bmp = [] -os.chdir(input_folder+'jpegs/') -for files in glob.glob("*.bmp"): - print('These :'+files) - jpeg_bmp.append(files) -for files in jpeg_bmp: - (PIL.ImageOps.invert((Image.open(input_folder+'jpegs/'+files).rotate(-90, expand=True)).convert('L'))).save(output_folder+files) - - -""" Step 1 & 2 conversion for bmp files""" -for files in bmps: - PIL.ImageOps.invert(Image.open(input_folder+files+".bmp").convert('L').point(fn, mode='1')).rotate(-90, expand=True).save((output_folder+files), 'BMP', quality=90) - -print('All done')