PySimpleGUIの画像編集スニペット

image_manager.md

pip install PySimpleGUI
pip install Pillow

python image_manager.py

image_manager.py

# coding: utf -8
import PySimpleGUI as sg # パッケージの読み込み
from PIL import Image, ImageFilter, ImageDraw

filename = ''

def png_checker(path):
    sp = path.rsplit('.',1)
    print(sp)
    ex = sp[-1]
    if ex=='jpg' or ex=='jpeg':
        img = Image.open(path).convert('RGBA').save(sp[0]+'.png')
        path = sp[0]+'.png'
    return path

def icon_image(img,fin_size): #imgから任意のサイズのアイコン画像を作成
    size = min(img.width, img.height)
    img = img.crop(((img.width/2-size/2),(img.height/2-size/2),(img.width/2+size/2),(img.height/2+size/2)))#正方形にクロップ
    mask = Image.new("L", (size,size), 0)
    draw_mask = ImageDraw.Draw(mask)
    draw_mask.ellipse((0,0, img.width, img.height), fill=255)#マスク用の円
    mask = mask.filter(ImageFilter.GaussianBlur(1))
    img.putalpha(mask)#mask以外の背景を透明に
    img.resize((fin_size,fin_size),Image.BICUBIC)#BICUBICを選択するとなんか画質がいいらしい
    return img

def save(img,param,operation):
    global filename
    old_filename = filename
    filename = new_name(filename,operation)

    img.save(filename, quality=95)
    image.update(filename)
    filename_input.update(filename)
    logger(old_filename,param,filename)

def logger(old_name,param,new_name):
    f = open("./log.txt","a+",encoding="utf-8")
    f.write("{},{},{}\n".format(old_name,param,new_name))

def gauss(img,num):
    num = int(num)
    new_img = img.filter(ImageFilter.GaussianBlur(num))
    return(new_img)

def new_name(path_to_file,operation):#./hoge.png→./hoge_new.png→./hoge_new_new.pngになります
    path_to_file = path_to_file.rsplit('/',maxsplit=1)
    name = path_to_file[-1]
    path = path_to_file[0]
    name = name.split('.')[0]
    return path + "/" + name + "_" + operation + "." + "png"


guidance_txt = sg.Text('Click Brouse btn first.\nimage must be png.',key='guidance')
filename_input = sg.Input(filename,(30,10),tooltip='ファイルまでのパス',key='filename')
browse_btn = sg.FileBrowse(key='browse')
load_btn = sg.Button('Load',key='load')
gauss_input = sg.Input('4',(20,10),key="g_input")
gauss_btn = sg.Button('Gauss',key='gauss')
icon_input = sg.Input('100',(20,10),key='i_input')
icon_btn = sg.Button('Icon',key='icon')
image = sg.Image('',key='image')

layout = [[guidance_txt],
        [filename_input,browse_btn],
        [load_btn],
        [gauss_input,gauss_btn],
        [icon_input,icon_btn],
        [image]]

window = sg.Window('image manager', layout)

window.finalize()

while True:
    event, values = window.read()
    print(event,values)
    if event=='load':
        filename = values['filename']
        if filename=='':
            filename_input.update('ファイルパスを入力')
        else:
            filename = png_checker(filename)
            image.update(filename)
        
    if event=='gauss':
        if values['filename']=='':
            guidance_txt.update('Error: Fill in the path to image.')
        else:
            img = Image.open(filename).convert('RGBA')
            blur = values['g_input']
            img = gauss(img,blur)
            #filename = 
            save(img,blur,'gauss')

    if event=='icon':
        if filename=='':
            guidance_txt.update('Error: Fill in the path to image.')
        else:
            img = Image.open(filename).convert('RGBA')
            size = int(values['i_input'])
            img = icon_image(img,size)
            save(img,size,'icon')

    if event == sg.WIN_CLOSED:
        break

window.close()