def set_text(self, text="Text"):
if self._text != text:
print("QR on screen:", text)
self._text = text
qr = qrcode.encode_to_string(text)
size = int(math.sqrt(len(qr))) # + 4 clear space on every side
width = self.get_width()
scale = width//size
sizes = range(1,10)
fontsize = [s for s in sizes if s < scale or s == 1][-1]
font = getattr(lv, "square%d" % fontsize)
style = lv.style_t()
lv.style_copy(style, qr_style)
style.text.font = font
pad = 4*fontsize
style.body.radius = fontsize
style.body.padding.top = pad
style.body.padding.left = pad
style.body.padding.right = pad
style.body.padding.bottom = pad-fontsize # there is \n at the end
self.set_style(lv.label.STYLE.MAIN, style)
self.set_body_draw(True)
super().set_text(qr)
del qr
gc.collect()
def _set_text(self, text):
qr = qrcode.encode_to_string(text).strip()
size = int(math.sqrt(len(qr))) # + 4 clear space on every side
width = self.get_width()
scale = width//size
sizes = range(1,10)
fontsize = [s for s in sizes if s < scale or s == 1][-1]
font = getattr(lv, "square%d" % fontsize)
style = lv.style_t()
lv.style_copy(style, qr_style)
style.text.font = font
style.body.radius = fontsize
self.set_style(style)
self.label.set_text(qr)
self.label.align(self, lv.ALIGN.CENTER, 0, 0)
self.note.align(self, lv.ALIGN.IN_BOTTOM_MID, 0, 0)
del qr
gc.collect()
def _set_text(self, text):
# one bcur frame doesn't require checksum
if text.startswith("UR:BYTES/") and text.count("/") == 2:
text = "UR:BYTES/"+text.split("/")[-1]
qr = qrcode.encode_to_string(text).strip()
size = int(math.sqrt(len(qr)))+1 # to make sure round up
width = self.label.get_width()
scale = width//size
sizes = range(1, 10)
fontsize = [s for s in sizes if s < scale or s == 1][-1]
font = getattr(lv, "square%d" % fontsize)
style = lv.style_t()
lv.style_copy(style, qr_style)
style.text.font = font
style.body.radius = fontsize
self.set_style(style)
self.label.set_text(qr)
self.label.align(self, lv.ALIGN.CENTER, 0, 0)
self.note.align(self, lv.ALIGN.IN_BOTTOM_MID, 0, 0)
del qr
gc.collect()
def set_text(self, text="Text"):
self._text = text
qr = qrcode.encode_to_string(text)
size = int(math.sqrt(len(qr)))
width = self.get_width()
scale = width // size
sizes = range(1, 10)
fontsize = [s for s in sizes if s < scale or s == 1][-1]
font = getattr(lv, "square%d" % fontsize)
style = lv.style_t()
lv.style_copy(style, lv.style_plain)
style.body.main_color = lv.color_make(0xFF, 0xFF, 0xFF)
style.body.grad_color = lv.color_make(0xFF, 0xFF, 0xFF)
style.body.opa = 255
style.text.font = font
style.text.line_space = 0
style.text.letter_space = 0
self.set_style(0, style)
# self.set_body_draw(True)
super().set_text(qr)
del qr
gc.collect()
def set_text(self, text):
if QrA.pending(text):
if QrA.isQRplaying:
self._text = text
else:
self._text = "".join(QrA.payload)
else:
if self.is_qr_big(text):
self.isQRbig = True
n = QrA.average_chunk_size(len(text), QRCode.MAX_SIZE)
QrA.payload = [text[i:i + n] for i in range(0, len(text), n)]
QrA.indx = [0, len(QrA.payload) - 1]
if QrA.isQRtoobig:
self._text = QrA.payload[QrA.indx[0]]
QrA.isQRplaying = True
else:
self._text = text
QrA.run()
else:
self.isQRbig = False
self.isQRtoobig = False
self._text = text
QrA.abort = True
if text != self.text_prev:
print("QR on screen:", QrA.header() + self._text)
self.text_prev = text
if QrA.isQRplaying:
if self.max_size:
self.lbl.set_size(self.max_size, self.max_size)
else:
self.lbl.set_size(self.size, self.size)
else:
self.lbl.set_size(self.size, self.size)
qr = qrcode.encode_to_string(QrA.header() + self._text)
size = int(math.sqrt(len(qr))) # + 4 clear space on every side
width = self.lbl.get_width()
scale = round(width / size)
sizes = range(1, 10)
fontsize = [s for s in sizes if s < scale or s == 1][-1]
font = getattr(lv, "square%d" % fontsize)
style = lv.style_t()
lv.style_copy(style, qr_style)
style.text.font = font
pad = 4 * fontsize
style.body.radius = fontsize
style.body.padding.top = pad
style.body.padding.left = pad
style.body.padding.right = pad
style.body.padding.bottom = pad - fontsize # there is \n at the end
self.lbl.set_style(lv.label.STYLE.MAIN, style)
self.lbl.set_body_draw(True)
self.lbl.set_text(qr)
del qr
gc.collect()
# apply the padding of the qr label to the container, otherwise it gets lost
style2 = lv.style_t()
style2.body.padding.top = pad
style2.body.padding.left = pad
style2.body.padding.right = pad
style2.body.padding.bottom = pad - fontsize
self.set_style(lv.label.STYLE.MAIN, style2)
if self.isQRbig:
style_tip = lv.style_t()
lv.style_copy(style_tip, styles["theme"].style.ta.oneline)
style_tip.text.font = lv.font_roboto_mono_16
self.lbl_indx.set_style(lv.label.STYLE.MAIN, style_tip)
if QrA.isQRplaying:
self.animation_tip = False
if self.animation_tip:
tip_text = "Tip: tap to animate"
else:
tip_text = ""
self.lbl_indx.set_text(tip_text)
self.lbl.set_width(self.lbl.get_height())
if not self.isQRbig:
self.cont.set_fit(lv.FIT.TIGHT)
self.set_fit(lv.FIT.TIGHT)
elif not QrA.isQRplaying:
self.max_size = self.lbl.get_height()
self.cont.align_origo(self.lbl, lv.ALIGN.OUT_TOP_MID, 0, -35)