def pixmap_to_data(pixmap, format='PNG'):
'''
Return the QPixmap pixmap as a string saved in the specified format.
'''
ba = QByteArray()
buf = QBuffer(ba)
buf.open(QIODeviceBase.OpenModeFlag.WriteOnly)
pixmap.save(buf, format)
return bytes(ba.data())
def fromqimage(im):
"""
:param im: QImage or PIL ImageQt object
"""
buffer = QBuffer()
if qt_version == "6":
try:
qt_openmode = QIODevice.OpenModeFlag
except AttributeError:
qt_openmode = QIODevice.OpenMode
else:
qt_openmode = QIODevice
buffer.open(qt_openmode.ReadWrite)
# preserve alpha channel with png
# otherwise ppm is more friendly with Image.open
if im.hasAlphaChannel():
im.save(buffer, "png")
else:
im.save(buffer, "ppm")
b = BytesIO()
b.write(buffer.data())
buffer.close()
b.seek(0)
return Image.open(b)
def requestStarted(self, rq):
if bytes(rq.requestMethod()) != b'GET':
rq.fail(rq.RequestDenied)
return
url = rq.requestUrl()
q = url.path()
if q == 'downloads':
rq.reply(b'text/html', QBuffer(get_downloads_html(), self))
elif q == 'welcome':
rq.reply(b'text/html', QBuffer(get_welcome_html(), self))
elif q.startswith('filename-icon/'):
q = q.partition('/')[2].strip()
if q:
rq.reply(b'image/png', QBuffer(filename_icon_data(q), self))
else:
rq.fail(rq.UrlNotFound)
else:
rq.fail(rq.UrlNotFound)
def _encodeSnapshot(self, snapshot):
Logger.log("d", "Encoding thumbnail image...")
try:
thumbnail_buffer = QBuffer()
thumbnail_buffer.open(QBuffer.OpenModeFlag.ReadWrite)
thumbnail_image = snapshot
thumbnail_image.save(thumbnail_buffer, "PNG")
base64_bytes = base64.b64encode(thumbnail_buffer.data())
base64_message = base64_bytes.decode('ascii')
thumbnail_buffer.close()
return base64_message
except Exception:
Logger.logException("w", "Failed to encode snapshot image")
def fromqimage(im):
"""
:param im: A PIL Image object, or a file name
(given either as Python string or a PyQt string object)
"""
buffer = QBuffer()
qt_openmode = QIODevice.OpenMode if qt_version == "6" else QIODevice
buffer.open(qt_openmode.ReadWrite)
# preserve alpha channel with png
# otherwise ppm is more friendly with Image.open
if im.hasAlphaChannel():
im.save(buffer, "png")
else:
im.save(buffer, "ppm")
b = BytesIO()
b.write(buffer.data())
buffer.close()
b.seek(0)
return Image.open(b)
def update_output(self, index, buffer: qtc.QBuffer):
if index == None or buffer == None or index < 0 or index - 1 > len(self._frames):
return
output = Image.open(io.BytesIO(buffer.data()))
self._frames[index].set_output(output)