def image_to_data(image): # {{{
ba = QByteArray()
buf = QBuffer(ba)
buf.open(QBuffer.WriteOnly)
if not image.save(buf, CACHE_FORMAT):
raise EncodeError('Failed to encode thumbnail')
ret = bytes(ba.data())
buf.close()
return ret
def image_to_data(image): # {{{
ba = QByteArray()
buf = QBuffer(ba)
buf.open(QBuffer.WriteOnly)
if not image.save(buf, CACHE_FORMAT):
raise EncodeError('Failed to encode thumbnail')
ret = ba.data()
buf.close()
return ret
def send_reply(rq, mime_type, data):
if sip.isdeleted(rq):
return
# make the buf a child of rq so that it is automatically deleted when
# rq is deleted
buf = QBuffer(parent=rq)
buf.open(QIODevice.OpenModeFlag.WriteOnly)
# we have to copy data into buf as it will be garbage
# collected by python
buf.write(data)
buf.seek(0)
buf.close()
rq.reply(mime_type.encode('ascii'), buf)
def ins_image(self, image, fmt, width, height, insert_space=True):
bytes_ = QByteArray()
buffer = QBuffer(bytes_)
buffer.open(QIODevice.WriteOnly)
image.save(buffer, fmt)
buffer.close()
base64 = bytes_.toBase64().data().decode(encoding="utf-8")
s = (f'<img width="{width}" height="{height}" '
f'src="data:image/{fmt};base64,{base64}"')
self._text_edit_cursor.insertHtml(s)
if insert_space:
self._text_edit_cursor.insertText(" ")
