def encode_image(image: QImage) -> str:
image_bytes = QByteArray()
buffer = QBuffer(image_bytes)
buffer.open(QIODevice.WriteOnly)
# writes pixmap into bytes in PNG format
image.save(buffer, "PNG") # type: ignore
encoded_bytes = image_bytes.toBase64()
codec = QTextCodec.codecForName(b"UTF-8")
encoded_string = codec.toUnicode(encoded_bytes)
return encoded_string
def __init__(self, model, *args, **kwargs):
super().__init__(*args, **kwargs)
self.model = model
# Inicializace socketu
self.socket = QTcpSocket(self)
self.socket.readyRead.connect(self.read)
self.socket.stateChanged.connect(self.socketStateChanged)
# Příprava pro čtení dat
self.readBuffer = QByteArray()
self.textCodec = QTextCodec.codecForName("UTF-8")
100 - percentGreen, 1)
self.btnYellow.text = "Yellow\n%0.1f%%" % round(100 - percentBlue, 1)
self.btnRed.text = "Red\n%0.1f%%" % round(percentRed, 1)
self.btnGreen.text = "Green\n%0.1f%%" % round(percentGreen, 1)
self.btnBlue.text = "Blue\n%0.1f%%" % round(percentBlue, 1)
def buttonClicked(self) -> None:
btn: ColorButton = self.sender()
if btn == self.btnPanelFader:
self.stackedWidget.setCurrentIndex(0)
elif btn == self.btnPanelHSB:
self.stackedWidget.setCurrentIndex(1)
elif btn == self.btnPanelBtn:
self.stackedWidget.setCurrentIndex(2)
if __name__ == '__main__':
import sys
from PySide2.QtCore import QTextCodec
from PySide2.QtWidgets import QApplication
app = QApplication()
app.setFont(QFont("Microsoft Yahei", 9))
codec: QTextCodec = QTextCodec.codecForName(b"utf-8")
QTextCodec.setCodecForLocale(codec)
window = ColorPanel()
window.setWindowTitle("颜色面板控件集合")
window.show()
sys.exit(app.exec_())
def testCodecsNames(self):
for codec_name in QTextCodec.availableCodecs():
codec = QTextCodec.codecForName(codec_name)
self.assertTrue(type(codec), QTextCodec)
def testCodecsNames(self):
for codec_name in QTextCodec.availableCodecs():
codec = QTextCodec.codecForName(codec_name)
self.assert_(type(codec), QTextCodec)
def testCodec(self):
'''QTextStream set/get Codec'''
codec = QTextCodec.codecForName('ISO8859-1')
self.obj.setCodec(codec)
self.assertEqual(codec, self.obj.codec())
