如何从 my.png 图像中删除灰色背景

Question

I'm using the pysimplegui to create my window, but inside that my image even being.png take the gray background.

thats my.png image:

with "background color = blue"

import PySimpleGUI as sg


icon = sg.Image("./images/plane.png")

start_column = [
    [icon]
]

layout = [
    [start_column]
]

startWindow = sg.Window("hello", layout, background_color="blue")



while True:
    events, values = startWindow.read(timeout=30)
    if events == sg.WINDOW_CLOSED:
        break

without "background-color = "blue" "

Answer 1

There're two background_color, one for sg.Image and another one for sg.Window . background_color of sg.Image will be sg.theme_background_color() if you don't specify the option background_color .

The background color will be '#64778d' if you also don't specify what theme to use. So you will see background of your PNG will be different as background of window.

You may specify same value of background_color for both of sg.Image and sg.Window , or all None for them.

import PySimpleGUI as sg

layout = [[sg.Image("d:/plane.png", background_color="blue")]]
window = sg.Window("hello", layout, background_color="blue")
print(sg.theme_background_color())
while True:
    event, value = window.read(timeout=30)
    if event == sg.WINDOW_CLOSED:
        break

window.close()

Answer 2

I used:

sg.theme('LightBlue')

and remove the (background-color = blue) from my window parametre.

Not it's the background color that I wanted but it's working for now.