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PySimpleGUI
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Tried to fix loading of image file problem.

This commit is contained in:
PySimpleGUI 2019-10-17 15:17:13 -04:00
parent 915e07a075
commit ae525a9abd
1 changed files with 18 additions and 10 deletions
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28
PySimpleGUIWeb/PySimpleGUIWeb.py
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@ -1,6 +1,6 @@
#usr/bin/python3
version = __version__ = "0.31.0.8 Unreleased No flicker, fixed multiline not in values"
version = __version__ = "0.31.0.9 Unreleased No flicker, fixed multiline not in values, Oct 17"
import sys
import datetime
@ -1474,7 +1474,6 @@ class Image(Element):
# def get_image_data(self, update_index):
# headers = {'Content-type': self.mimetype if self.mimetype else 'application/octet-stream'}
# return [self.imagedata, headers]
class SuperImage(remi.gui.Image):
def __init__(self, file_path_name=None, **kwargs):
"""
@ -1496,18 +1495,24 @@ class SuperImage(remi.gui.Image):
def load(self, file_path_name):
if type(file_path_name) is bytes or len(file_path_name) > 200:
print("image data")
# self.mimetype = 'image/png'
self.imagedata = file_path_name #base64.b64decode(file_path_name)
# self.imagedata = base64.b64decode(file_path_name, validate=True)
try:
#here a base64 image is received
self.imagedata = base64.b64decode(file_path_name, validate=True)
self.attributes['src'] = "/%s/get_image_data?update_index=%s" % (id(self), str(time.time()))
except binascii.Error:
#here an image data is received (opencv image)
self.imagedata = file_path_name
self.refresh()
self.refresh()
else:
#here a filename is received
print(f'***** Loading file = {file_path_name}')
self.mimetype, self.encoding = mimetypes.guess_type(file_path_name)
with open(file_path_name, 'rb') as f:
self.imagedata = f.read()
self.refresh()
self.refresh()
def refresh(self):
# print("refresh")
i = int(time.time() * 1e6)
# self.app_instance.execute_javascript("""
if Window.App is not None:
@ -1525,7 +1530,6 @@ class SuperImage(remi.gui.Image):
""" % {'id': id(self), 'frame_index':i})
def get_image_data(self, update_index):
# print("get image data")
headers = {'Content-type': self.mimetype if self.mimetype else 'application/octet-stream'}
return [self.imagedata, headers]
@ -4552,6 +4556,9 @@ def PackFormIntoFrame(form, containing_frame, toplevel_form):
element = element # type: Image
# element.Widget = remi.gui.Image(element.Filename)
element.Widget = SuperImage(element.Filename if element.Filename is not None else element.Data)
if element.Filename is not None:
print(f'loading image filename in pack frame {element.Filename}')
element.Widget.load(element.Filename)
do_font_and_color(element.Widget)
if element.EnableEvents:
element.Widget.onclick.connect(element._ChangedCallback)
@ -6808,7 +6815,7 @@ def main():
# [OptionMenu([])],
[T('System platform = %s'%sys.platform)],
[Image(data=DEFAULT_BASE64_ICON, enable_events=False)],
[Image(filename=r'C:\Python\PycharmProjects\GooeyGUI\logo200.png')],
[Image(filename=r'C:\Python\PycharmProjects\GooeyGUI\logo500.png', key='-IMAGE-')],
[Text('VERSION {}'.format(version), text_color='red', font='Courier 24')],
[T('Current Time '), Text('Text', key='_TEXT_', font='Arial 18', text_color='black', size=(30,1)), Column(col1, background_color='red')],
[T('Up Time'), Text('Text', key='_TEXT_UPTIME_', font='Arial 18', text_color='black', size=(30,1))],
@ -6836,6 +6843,7 @@ def main():
while True:
event, values = window.Read(timeout=None)
window.Element('_TEXT_').Update(str(datetime.datetime.now()))
window['-IMAGE-'].Update(filename=r'C:\Python\PycharmProjects\GooeyGUI\logo500.png')
window.Element('_TEXT_UPTIME_').Update(str(datetime.datetime.now()-start_time))
print(event, values) if event != TIMEOUT_KEY else None
if event in (None, 'Exit'):