class Widgets(QWidget):
def __init__(self, dispositivoCamara, parent=None):
super(Widgets, self).__init__(parent)
self.parent = parent
self.estadoFoto = False
self.byteArrayFoto = QByteArray()
# ==========================================================
frame = QFrame(self)
frame.setFrameShape(QFrame.Box)
frame.setFrameShadow(QFrame.Sunken)
frame.setFixedWidth(505)
frame.setFixedHeight(380)
frame.move(10, 10)
# Instancias
self.paginaVisor = QVideoWidget()
self.paginaVisor.resize(500, 375)
self.visor = QCameraViewfinder(self.paginaVisor)
self.visor.resize(500, 375)
self.labelFoto = QLabel()
self.labelFoto.setAlignment(Qt.AlignCenter)
self.labelFoto.resize(500, 375)
# QStackedWidget
self.stackedWidget = QStackedWidget(frame)
self.stackedWidget.addWidget(self.paginaVisor)
self.stackedWidget.addWidget(self.labelFoto)
self.stackedWidget.resize(500, 375)
self.stackedWidget.move(2, 2)
# ======================== BOTONES =========================
self.buttonTomarFoto = QPushButton("Tomar foto", self)
self.buttonTomarFoto.resize(110, 26)
self.buttonTomarFoto.move(525, 10)
self.buttonEliminarFoto = QPushButton("Eliminar foto", self)
self.buttonEliminarFoto.resize(110, 26)
self.buttonEliminarFoto.move(525, 50)
self.buttonGuardarFoto = QPushButton("Guardar foto", self)
self.buttonGuardarFoto.resize(110, 26)
self.buttonGuardarFoto.move(525, 82)
# ======================== EVENTOS =========================
self.buttonTomarFoto.clicked.connect(self.tomarFoto)
self.buttonEliminarFoto.clicked.connect(self.eliminarFoto)
self.buttonGuardarFoto.clicked.connect(self.guardarFoto)
# ================== FUNCIONES AUTOMÁTICAS =================
self.setCamara(dispositivoCamara)
# ======================= FUNCIONES ============================
def setCamara(self, dispositivoCamara):
if dispositivoCamara.isEmpty():
self.camara = QCamera()
else:
self.camara = QCamera(dispositivoCamara)
self.camara.stateChanged.connect(self.actualizarEstadoCamara)
self.capturaImagen = QCameraImageCapture(self.camara)
self.camara.setViewfinder(self.visor)
self.actualizarEstadoCamara(self.camara.state())
self.capturaImagen.imageCaptured.connect(self.procesarImagenCapturada)
self.capturaImagen.imageSaved.connect(self.imagenGuardada)
self.camara.isCaptureModeSupported(QCamera.CaptureStillImage)
self.camara.start()
self.paginaVisor.update()
def actualizarDispositivoCamara(self, action):
self.setCamara(action.data())
def actualizarEstadoCamara(self, estado):
if estado == QCamera.ActiveState:
self.parent.accionIniciarCamara.setEnabled(False)
self.parent.accionDetenerCamara.setEnabled(True)
if not self.estadoFoto:
self.buttonTomarFoto.setEnabled(True)
self.buttonEliminarFoto.setEnabled(False)
self.buttonGuardarFoto.setEnabled(False)
elif estado in (QCamera.UnloadedState, QCamera.LoadedState):
self.parent.accionIniciarCamara.setEnabled(True)
self.parent.accionDetenerCamara.setEnabled(False)
if not self.estadoFoto:
self.buttonTomarFoto.setEnabled(False)
self.buttonEliminarFoto.setEnabled(False)
self.buttonGuardarFoto.setEnabled(False)
def iniciarCamara(self):
self.camara.start()
def detenerCamara(self):
self.camara.stop()
def tomarFoto(self):
rutaFoto = "{}/fotoTemporal.jpg".format(getcwd())
self.capturaImagen.capture(rutaFoto)
self.estadoFoto = True
def procesarImagenCapturada(self, requestId, imagen):
foto = QPixmap.fromImage(imagen)
buffer = QBuffer(self.byteArrayFoto)
buffer.open(QIODevice.WriteOnly)
buffer.close()
foto.save(buffer, "PNG")
fotoEscalada = foto.scaled(self.labelFoto.size())
self.labelFoto.setPixmap(fotoEscalada)
self.mostrarImagenCapturada()
def visualizarVisor(self):
self.stackedWidget.setCurrentIndex(0)
def mostrarImagenCapturada(self):
self.stackedWidget.setCurrentIndex(1)
self.buttonTomarFoto.setEnabled(False)
self.buttonEliminarFoto.setEnabled(True)
self.buttonGuardarFoto.setEnabled(True)
def imagenGuardada(self, id, nombreFoto):
if QFile.exists(nombreFoto):
remove(nombreFoto)
def eliminarFoto(self):
self.estadoFoto = False
self.byteArrayFoto.clear()
self.labelFoto.clear()
self.actualizarEstadoCamara(self.camara.state())
self.visualizarVisor()
def guardarFoto(self):
guardarComo, extension = QFileDialog.getSaveFileName(
self,
"Guardar como",
"Foto",
"JPG (*.jpg);;PNG (*.png);;ICO (*.ico);;BMP (*.bmp)",
options=QFileDialog.Options())
if guardarComo:
foto = QPixmap()
foto.loadFromData(self.byteArrayFoto, "PNG", Qt.AutoColor)
foto.save(guardarComo, quality=100)
QMessageBox.information(
self, "Guardar foto",
"Foto guardada con éxito ")
self.eliminarFoto()
class Window(QtWidgets.QMainWindow):
def __init__(self):
super().__init__()
self.k = 0
self.init_ui()
def init_ui(self):
self.setWindowTitle('SyncMedia')
self.play = QtWidgets.QPushButton(self)
self.stop = QtWidgets.QPushButton(self)
self.play.setText('Play')
self.stop.setText('Stop')
self.label = QtWidgets.QLabel("Volume", self)
self.Slider = QtWidgets.QSlider(self)
self.Slider.setRange(0, 100)
self.Slider.sliderMoved.connect(self.setPosition)
self.Slider.setOrientation(Qt.Horizontal)
self.Slider.setFocusPolicy(Qt.NoFocus)
self.VSlider = QtWidgets.QSlider(self)
self.VSlider.sliderMoved.connect(self.setVPosition)
self.VSlider.setRange(0, 10)
self.VSlider.setOrientation(Qt.Horizontal)
self.VSlider.setFocusPolicy(Qt.NoFocus)
openAction = QtWidgets.QAction(QtGui.QIcon('open.png'), '&Open', self)
openAction.setShortcut('Ctrl+O')
openAction.setStatusTip('Open mp4 movie')
openAction.triggered.connect(self.openFile)
menu = self.menuBar()
file = menu.addMenu(' &File ')
file.addAction(openAction)
self.play.clicked.connect(self.play_click)
self.stop.clicked.connect(self.stop_click)
self.mediaPlayer = QMediaPlayer(None, QMediaPlayer.VideoSurface)
self.videoWidget = QVideoWidget()
wid = QtWidgets.QWidget(self)
self.setCentralWidget(wid)
wid.resize(wid.sizeHint())
wid.setAutoFillBackground(True)
p = wid.palette()
p.setColor(wid.backgroundRole(), Qt.black)
wid.setPalette(p)
self.Slider.setAutoFillBackground(True)
p = self.Slider.palette()
p.setColor(self.Slider.backgroundRole(), Qt.black)
self.Slider.setPalette(p)
controlLayout = QtWidgets.QHBoxLayout()
controlLayout.addWidget(self.play)
controlLayout.addWidget(self.stop)
controlLayout.addStretch(1)
controlLayout.addWidget(self.label)
controlLayout.addWidget(self.VSlider)
extralayout = QtWidgets.QHBoxLayout()
extralayout.addWidget(self.videoWidget)
layout = QtWidgets.QVBoxLayout()
layout.addLayout(extralayout)
self.videoWidget.update()
layout.addWidget(self.Slider)
layout.addLayout(controlLayout)
wid.setLayout(layout)
self.mediaPlayer.setVideoOutput(self.videoWidget)
self.videoWidget.show()
self.mediaPlayer.positionChanged.connect(self.positionChanged)
self.mediaPlayer.durationChanged.connect(self.durationChanged)
self.show()
def play_click(self):
if (self.k == 0):
self.mediaPlayer.play()
self.play.setText('Pause')
self.videoWidget.update()
self.k = 1
elif (self.k == 1):
self.mediaPlayer.pause()
self.play.setText('Play')
self.k = 0
def stop_click(self):
self.mediaPlayer.stop()
self.play.setText('Play')
self.k = 0
def openFile(self):
fileName, _ = QtWidgets.QFileDialog.getOpenFileName(
self, "Open Movie", QDir.homePath())
self.setWindowTitle(f'SyncMedia - {fileName}')
if fileName != '':
print(fileName)
self.mediaPlayer.setMedia(
QMediaContent(QUrl.fromLocalFile(fileName)))
def positionChanged(self, position):
self.Slider.setValue(position)
def durationChanged(self, duration):
self.Slider.setRange(0, duration)
def setPosition(self, position):
self.mediaPlayer.setPosition(position)
def setVPosition(self, position):
self.mediaPlayer.setVolume(position * 10)
