Yoshihiro Yamazaki yoya

Multimedia Binary Engineer

yoya / imaging_resize.go

Last active August 28, 2018 04:15

disintegration/imaging resize test

	package main

	import (
	"flag"
	"github.com/disintegration/imaging"
	"image/png"
	"os"
	)

	func main() {

yoya / pil_imageops_equalize_gamma.py

Last active August 16, 2018 18:37

pil_imageops_equalize_gamma.py

	from PIL import Image, ImageOps
	import sys
	import numpy as np

	def gamma_correction(im, gamma):
	arr = np.asarray(im)
	arr = 255.0 * (arr / 255.0)**(gamma)
	return Image.fromarray(np.uint8(arr))

	im = Image.open(sys.argv[1])

yoya / pil_imageops_equalize.py

Last active August 16, 2018 18:35

pil_imageops_equalize.py

	from PIL import Image, ImageOps
	import sys

	im = Image.open(sys.argv[1])
	im = im.convert("YCbCr")

	yy, cb, cr = im.split()
	yy = ImageOps.equalize(yy);
	im = Image.merge("YCbCr", (yy, cb, cr))

yoya / imageops_method.py

Created August 10, 2018 15:47

ImageOps any method call

	from PIL import Image, ImageOps
	import sys

	if len(sys.argv) < 4:
	print ("Usage: python imageopt_test.py <grayscale\|equalize\|...> [<value>] <infile> <outfile>\n")
	print (dir(ImageOps))
	exit (0);

	method = sys.argv[1]
	if len(sys.argv) == 4:

yoya / http_server.py

Last active July 6, 2018 15:35

python http server

	#! /usr/local/bin/python3
	# https://docs.python.jp/3/library/http.server.html
	# https://blog.sarabande.jp/post/81479479934

	from http.server import HTTPServer, SimpleHTTPRequestHandler

	[host, port] = ["0.0.0.0", 4848]

	class MyHandler(SimpleHTTPRequestHandler):
	def do_GET(self):

yoya / PIL_grayscale.py

Last active June 21, 2019 14:54

PIL Grayscale improve

	# (c) [email protected] 2019/06/20-
	# ref) https://pillow.readthedocs.io/en/stable/reference/Image.html

	import sys
	from PIL import Image

	_rgb2xyz_rec709 = (
	0.412453, 0.357580, 0.180423, 0,
	0.212671, 0.715160, 0.072169, 0, # RGB mixing weight
	0.019334, 0.119193, 0.950227, 0 )

yoya / pentile_rgbw2.php

Created June 2, 2018 15:20

pentile rgbw 2 SVG

	<?php
	/*
	* (c) 2017/08/21- [email protected]
	* $ composer require yoya/php-svg
	*/
	require_once("vendor/autoload.php");

	use SVG\SVGImage;
	use SVG\Nodes\Structures\SVGStyle;
	use SVG\Nodes\Structures\SVGDefs;

yoya / pentile_rgb.php

Last active June 2, 2018 08:26

pentile rgb SVG (check)

	<?php
	/*
	* (c) 2017/08/21- [email protected]
	* $ composer require yoya/php-svg
	*/
	require_once("vendor/autoload.php");

	use SVG\SVGImage;
	use SVG\Nodes\Structures\SVGStyle;
	use SVG\Nodes\Structures\SVGDefs;

yoya / pentile_rgb_w.php

Created June 2, 2018 06:56

pentile rgb w SVG

	<?php
	/*
	* (c) 2017/08/21- [email protected]
	* $ composer require yoya/php-svg
	*/
	require_once("vendor/autoload.php");

	use SVG\SVGImage;
	use SVG\Nodes\Structures\SVGStyle;
	use SVG\Nodes\Structures\SVGDefs;

yoya / pentile_rgbw.php

Created June 2, 2018 06:48

pentile rgbw SVG

	<?php
	/*
	* (c) 2017/08/21- [email protected]
	* $ composer require yoya/php-svg
	*/
	require_once("vendor/autoload.php");

	use SVG\SVGImage;
	use SVG\Nodes\Structures\SVGStyle;
	use SVG\Nodes\Structures\SVGDefs;