mlaga97
/
PySimpleGUI
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

New PIL Image Viewer that will also resize images and runs on Qt too

This commit is contained in:
PySimpleGUI 2020-07-09 05:46:41 -04:00
parent e89f479125
commit 78917db9bc
1 changed files with 12 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
DemoPrograms/Demo_Image_Elem_Image_Viewer_PIL_Based.py
View File

@ -13,7 +13,8 @@ import base64
The key to the program is the function "convert_to_bytes" which takes a filename or a
bytes object and converts (with optional resize) into a PNG formatted bytes object that
can then be passed to an Image Element's update method
can then be passed to an Image Element's update method. This function can also optionally
resize the image.
Copyright 2020 PySimpleGUI.org
"""
@ -51,7 +52,8 @@ def convert_to_bytes(file_or_bytes, resize=None):
# First the window layout...2 columns
left_col = [[sg.Text('Folder'), sg.In(size=(25,1), enable_events=True ,key='-FOLDER-'), sg.FolderBrowse()],
[sg.Listbox(values=[], enable_events=True, size=(40,20),key='-FILE LIST-')]]
[sg.Listbox(values=[], enable_events=True, size=(40,20),key='-FILE LIST-')],
[sg.Text('Resize to'), sg.In(key='-W-', size=(5,1)), sg.In(key='-H-', size=(5,1))]]
# For now will only show the name of the file that was chosen
images_col = [[sg.Text('You choose from the list:')],
@ -59,7 +61,7 @@ images_col = [[sg.Text('You choose from the list:')],
[sg.Image(key='-IMAGE-')]]
# ----- Full layout -----
layout = [[sg.Column(left_col), sg.VSeperator(),sg.Column(images_col, element_justification='c')]]
layout = [[sg.Column(left_col, element_justification='c'), sg.VSeperator(),sg.Column(images_col, element_justification='c')]]
# --------------------------------- Create Window ---------------------------------
window = sg.Window('Multiple Format Image Viewer', layout,resizable=True)
@ -85,10 +87,13 @@ while True:
try:
filename = os.path.join(values['-FOLDER-'], values['-FILE LIST-'][0])
window['-TOUT-'].update(filename)
window['-IMAGE-'].update(data=convert_to_bytes(filename))
except:
if values['-W-'] and values['-H-']:
new_size = int(values['-W-']), int(values['-H-'])
else:
new_size = None
window['-IMAGE-'].update(data=convert_to_bytes(filename, resize=new_size))
except Exception as E:
print(f'** Error {E} **')
pass # something weird happened making the full filename
# --------------------------------- Close & Exit ---------------------------------
window.close()