def saveFrame(self, frame):
fileName = self._fileName
if self._frameCounter:
index = fileName.rfind('.')
fileName = "%s_frame%s%s" % (fileName[:index], self._frameCounter, fileName[index:])
image = QImage(frame.contentsSize(), QImage.Format_ARGB32_Premultiplied)
image.fill(Qt.transparent)
painter = QPainter(image)
painter.setRenderHint(QPainter.Antialiasing, True)
painter.setRenderHint(QPainter.TextAntialiasing, True)
painter.setRenderHint(QPainter.SmoothPixmapTransform, True)
frame.documentElement().render(painter)
painter.end()
image.save(fileName)
self._frameCounter += 1
for childFrame in frame.childFrames():
self.saveFrame(childFrame)
python类transparent()的实例源码
def saveFrame(self, frame):
fileName = self._fileName
if self._frameCounter:
index = fileName.rfind('.')
fileName = "%s_frame%s%s" % (fileName[:index], self._frameCounter, fileName[index:])
image = QImage(frame.contentsSize(), QImage.Format_ARGB32_Premultiplied)
image.fill(Qt.transparent)
painter = QPainter(image)
painter.setRenderHint(QPainter.Antialiasing, True)
painter.setRenderHint(QPainter.TextAntialiasing, True)
painter.setRenderHint(QPainter.SmoothPixmapTransform, True)
frame.documentElement().render(painter)
painter.end()
image.save(fileName)
self._frameCounter += 1
for childFrame in frame.childFrames():
self.saveFrame(childFrame)
def __init__(self, *args, fillcolor, opacity, parent=None):
if len(args) == 0:
super().__init__(parent)
elif len(args) == 1:
super().__init__(args[0], parent)
elif len(args) == 4:
x0, y0, w, h = args
super().__init__(x0, y0, w, h, parent)
self.finished = False
self.selected_edge = None # type: int
self.resizing = False
self.setBrush(fillcolor)
self.setPen(QPen(QColor(Qt.transparent), Qt.FlatCap))
self.setOpacity(opacity)
def dialog_ui(self) -> QDialog:
if self.__dialog_ui is None:
dir_name = os.path.dirname(os.readlink(__file__)) if os.path.islink(__file__) else os.path.dirname(__file__)
self.__dialog_ui = uic.loadUi(os.path.realpath(os.path.join(dir_name, "insert_sine_dialog.ui")))
self.__dialog_ui.setAttribute(Qt.WA_DeleteOnClose)
self.__dialog_ui.setModal(True)
self.__dialog_ui.doubleSpinBoxAmplitude.setValue(self.__amplitude)
self.__dialog_ui.doubleSpinBoxFrequency.setValue(self.__frequency)
self.__dialog_ui.doubleSpinBoxPhase.setValue(self.__phase)
self.__dialog_ui.doubleSpinBoxSampleRate.setValue(self.__sample_rate)
self.__dialog_ui.doubleSpinBoxNSamples.setValue(self.__num_samples)
self.__dialog_ui.lineEditTime.setValidator(
QRegExpValidator(QRegExp("[0-9]+([nmµ]*|([\.,][0-9]{1,3}[nmµ]*))?$")))
scene_manager = SceneManager(self.dialog_ui.graphicsViewSineWave)
self.__dialog_ui.graphicsViewSineWave.scene_manager = scene_manager
self.insert_indicator = scene_manager.scene.addRect(0, -2, 0, 4,
QPen(QColor(Qt.transparent), Qt.FlatCap),
QBrush(self.INSERT_INDICATOR_COLOR))
self.insert_indicator.stackBefore(scene_manager.scene.selection_area)
self.set_time()
return self.__dialog_ui
def saveFrame(self, frame):
fileName = self._fileName
if self._frameCounter:
index = fileName.rfind('.')
fileName = "%s_frame%s%s" % (fileName[:index], self._frameCounter, fileName[index:])
image = QImage(frame.contentsSize(), QImage.Format_ARGB32_Premultiplied)
image.fill(Qt.transparent)
painter = QPainter(image)
painter.setRenderHint(QPainter.Antialiasing, True)
painter.setRenderHint(QPainter.TextAntialiasing, True)
painter.setRenderHint(QPainter.SmoothPixmapTransform, True)
frame.documentElement().render(painter)
painter.end()
image.save(fileName)
self._frameCounter += 1
for childFrame in frame.childFrames():
self.saveFrame(childFrame)
def _add_latest_input_line(self, angle):
"""Adds a line to the graphic scene that visualizes a scanned angle"""
mx, my = self._get_middle()
angle_rad = deg2rad(angle)
angle_1_rad = deg2rad(angle - self.measurement_angle/2.0)
angle_2_rad = deg2rad(angle + self.measurement_angle/2.0)
length = max(self.width(), self.height())
start_point = (mx, my)
p1 = (mx + length * math.cos(angle_1_rad), my + length * math.sin(angle_1_rad))
p2 = (mx + length * math.cos(angle_2_rad), my + length * math.sin(angle_2_rad))
gradient_start_point, gradient_end_point = (mx, my), (mx + length * math.cos(angle_rad), my + length * math.sin(angle_rad))
gradient = QLinearGradient(*gradient_start_point, *gradient_end_point)
gradient.setColorAt(0, Qt.transparent)
gradient.setColorAt(0.8, Qt.red)
gradient.setColorAt(1, Qt.darkRed)
triangle = QPolygonF()
triangle.append(QPointF(*start_point))
triangle.append(QPointF(*p1))
triangle.append(QPointF(*p2))
triangle.append(QPointF(*start_point))
self.scene.addPolygon(triangle, pen=QPen(Qt.transparent), brush=QBrush(gradient))
qttreepropertybrowser.py 文件源码
项目：QtPropertyBrowserV2.6-for-pyqt5
作者: theall
项目源码
文件源码
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def drawIndicatorIcon(palette, style):
pix = QPixmap(14, 14)
pix.fill(Qt.transparent)
branchOption = QStyleOption()
#r = QRect(QPoint(0, 0), pix.size())
branchOption.rect = QRect(2, 2, 9, 9) ## ### hardcoded in qcommonstyle.cpp
branchOption.palette = palette
branchOption.state = QStyle.State_Children
p = QPainter()
## Draw closed state
p.begin(pix)
style.drawPrimitive(QStyle.PE_IndicatorBranch, branchOption, p)
p.end()
rc = QIcon(pix)
rc.addPixmap(pix, QIcon.Selected, QIcon.Off)
## Draw opened state
branchOption.state |= QStyle.State_Open
pix.fill(Qt.transparent)
p.begin(pix)
style.drawPrimitive(QStyle.PE_IndicatorBranch, branchOption, p)
p.end()
rc.addPixmap(pix, QIcon.Normal, QIcon.On)
rc.addPixmap(pix, QIcon.Selected, QIcon.On)
return rc
def paint(self, painter: QPainter, option: QStyleOptionViewItem, index: QModelIndex) -> None:
r = option.rect
pencolor = Qt.white if self.theme == 'dark' else Qt.black
if self.parent.isEnabled():
if option.state & QStyle.State_Selected:
painter.setBrush(QColor(150, 190, 78, 150))
elif option.state & QStyle.State_MouseOver:
painter.setBrush(QColor(227, 212, 232))
pencolor = Qt.black
else:
brushcolor = QColor(79, 85, 87, 175) if self.theme == 'dark' else QColor('#EFF0F1')
painter.setBrush(Qt.transparent if index.row() % 2 == 0 else brushcolor)
painter.setPen(Qt.NoPen)
painter.drawRect(r)
thumb = QIcon(index.data(Qt.DecorationRole + 1))
starttime = index.data(Qt.DisplayRole + 1)
endtime = index.data(Qt.UserRole + 1)
externalPath = index.data(Qt.UserRole + 2)
r = option.rect.adjusted(5, 0, 0, 0)
thumb.paint(painter, r, Qt.AlignVCenter | Qt.AlignLeft)
painter.setPen(QPen(pencolor, 1, Qt.SolidLine))
r = option.rect.adjusted(110, 8, 0, 0)
painter.setFont(QFont('Noto Sans UI', 10 if sys.platform == 'darwin' else 8, QFont.Bold))
painter.drawText(r, Qt.AlignLeft, 'FILENAME' if len(externalPath) else 'START')
r = option.rect.adjusted(110, 20, 0, 0)
painter.setFont(QFont('Noto Sans UI', 11 if sys.platform == 'darwin' else 9, QFont.Normal))
if len(externalPath):
painter.drawText(r, Qt.AlignLeft, self.clipText(os.path.basename(externalPath), painter))
else:
painter.drawText(r, Qt.AlignLeft, starttime)
if len(endtime) > 0:
r = option.rect.adjusted(110, 45, 0, 0)
painter.setFont(QFont('Noto Sans UI', 10 if sys.platform == 'darwin' else 8, QFont.Bold))
painter.drawText(r, Qt.AlignLeft, 'RUNTIME' if len(externalPath) else 'END')
r = option.rect.adjusted(110, 60, 0, 0)
painter.setFont(QFont('Noto Sans UI', 11 if sys.platform == 'darwin' else 9, QFont.Normal))
painter.drawText(r, Qt.AlignLeft, endtime)
if self.parent.verticalScrollBar().isVisible():
self.parent.setFixedWidth(210)
else:
self.parent.setFixedWidth(190)
def __init__(self, parent=None, interval=50):
QWidget.__init__(self, parent)
palette = QPalette(self.palette())
palette.setColor(palette.Background, Qt.transparent)
self.setPalette(palette)
self.counter = 0
self.interval = interval
def applyEffectToPixmap(pixmap, effect):
scene = QGraphicsScene()
item = QGraphicsPixmapItem()
item.setPixmap(pixmap)
item.setGraphicsEffect(effect)
scene.addItem(item)
res = QPixmap(pixmap.size())
res.fill(Qt.transparent)
painter = QPainter(res)
scene.render(painter)
return res
def clearChart(self):
self.color = QColor(Qt.transparent)
self.update()
self.chartCleared.emit()
def clearChart(self):
self.color = QColor(Qt.transparent)
self.update()
def clearChart(self):
self.color = QColor(Qt.transparent)
self.update()
self.chartCleared.emit()
def clearChart(self):
self.color = QColor(Qt.transparent)
self.update()
def __init__(self, project_manager, modulated_data, modulation_msg_indices=None, parent=None, testing_mode=False):
super().__init__(project_manager, is_tx=True, parent=parent, testing_mode=testing_mode)
self.graphics_view = self.ui.graphicsViewSend
self.ui.stackedWidget.setCurrentWidget(self.ui.page_send)
self.hide_receive_ui_items()
self.ui.btnStart.setIcon(QIcon.fromTheme("media-playback-start"))
self.setWindowTitle("Send Signal")
self.setWindowIcon(QIcon.fromTheme("media-playback-start"))
self.ui.btnStart.setToolTip("Send data")
self.ui.btnStop.setToolTip("Stop sending")
self.device_is_sending = False
self.modulation_msg_indices = modulation_msg_indices
if self.modulation_msg_indices is not None:
self.ui.progressBarMessage.setMaximum(len(self.modulation_msg_indices))
else:
self.ui.progressBarMessage.hide()
self.ui.labelCurrentMessage.hide()
if modulated_data is not None:
# modulated_data is none in continuous send mode
self.ui.progressBarSample.setMaximum(len(modulated_data))
samp_rate = self.ui.spinBoxSampleRate.value()
signal = Signal.from_samples(modulated_data, "Modulated Preview", samp_rate)
self.scene_manager = SignalSceneManager(signal, parent=self)
self.send_indicator = self.scene_manager.scene.addRect(0, -2, 0, 4,
QPen(QColor(Qt.transparent), Qt.FlatCap),
QBrush(constants.SEND_INDICATOR_COLOR))
self.send_indicator.stackBefore(self.scene_manager.scene.selection_area)
self.scene_manager.init_scene()
self.graphics_view.set_signal(signal)
self.graphics_view.sample_rate = samp_rate
self.init_device()
self.graphics_view.setScene(self.scene_manager.scene)
self.graphics_view.scene_manager = self.scene_manager
self.create_connects()
def clearChart(self):
self.color = QColor(Qt.transparent)
self.update()
self.chartCleared.emit()
def clearChart(self):
self.color = QColor(Qt.transparent)
self.update()
def getPixmap(self):
pixmap = QPixmap(self.width * self.pixelRatio, self.height * self.pixelRatio)
pixmap.setDevicePixelRatio(self.pixelRatio)
pixmap.fill(Qt.transparent)
painter = QPainter(pixmap)
painter.setRenderHint(QPainter.Antialiasing)
painter.translate(0, self.height)
painter.scale(1, -1)
if self.headerAtBottom:
bodyRect = (0, 0, self.width, self.height-self.headerHeight)
headerRect = (0, 0, self.width, self.headerHeight)
else:
bodyRect = (0, 0, self.width, self.height-self.headerHeight)
headerRect = (0, 0, self.width, self.headerHeight)
# background
painter.save()
if self.headerAtBottom:
h = self.height
else:
h = self.height - self.headerHeight
painter.translate(0, h)
painter.scale(1, -1)
self.drawCellBackground(painter, bodyRect)
painter.restore()
# glyph
if self.headerAtBottom:
painter.translate(0, self.headerHeight)
if self.shouldDrawMetrics:
self.drawCellHorizontalMetrics(painter, bodyRect)
self.drawCellVerticalMetrics(painter, bodyRect)
painter.save()
painter.setClipRect(0, 0, self.width, self.height-self.headerHeight)
painter.translate(self.xOffset, self.yOffset)
painter.scale(self.scale, self.scale)
self.drawCellGlyph(painter)
painter.restore()
# foreground
painter.save()
painter.translate(0, self.height - self.headerHeight)
painter.scale(1, -1)
self.drawCellForeground(painter, bodyRect)
painter.restore()
# header
if self.shouldDrawHeader:
painter.save()
if self.headerAtBottom:
h = 0
else:
h = self.height
painter.translate(0, h)
painter.scale(1, -1)
self.drawCellHeaderBackground(painter, headerRect)
self.drawCellHeaderText(painter, headerRect)
painter.restore()
return pixmap
def setupScene(self):
self.m_scene.setSceneRect(-300, -200, 600, 460)
linearGrad = QLinearGradient(QPointF(-100, -100), QPointF(100, 100))
linearGrad.setColorAt(0, QColor(255, 255, 255))
linearGrad.setColorAt(1, QColor(192, 192, 255))
self.setBackgroundBrush(linearGrad)
radialGrad = QRadialGradient(30, 30, 30)
radialGrad.setColorAt(0, Qt.yellow)
radialGrad.setColorAt(0.2, Qt.yellow)
radialGrad.setColorAt(1, Qt.transparent)
pixmap = QPixmap(60, 60)
pixmap.fill(Qt.transparent)
painter = QPainter(pixmap)
painter.setPen(Qt.NoPen)
painter.setBrush(radialGrad)
painter.drawEllipse(0, 0, 60, 60)
painter.end()
self.m_lightSource = self.m_scene.addPixmap(pixmap)
self.m_lightSource.setZValue(2)
for i in range(-2, 3):
for j in range(-2, 3):
if (i + j) & 1:
item = QGraphicsEllipseItem(0, 0, 50, 50)
else:
item = QGraphicsRectItem(0, 0, 50, 50)
item.setPen(QPen(Qt.black, 1))
item.setBrush(QBrush(Qt.white))
effect = QGraphicsDropShadowEffect(self)
effect.setBlurRadius(8)
item.setGraphicsEffect(effect)
item.setZValue(1)
item.setPos(i * 80, j * 80)
self.m_scene.addItem(item)
self.m_items.append(item)
def setupScene(self):
self.m_scene.setSceneRect(-300, -200, 600, 460)
linearGrad = QLinearGradient(QPointF(-100, -100), QPointF(100, 100))
linearGrad.setColorAt(0, QColor(255, 255, 255))
linearGrad.setColorAt(1, QColor(192, 192, 255))
self.setBackgroundBrush(linearGrad)
radialGrad = QRadialGradient(30, 30, 30)
radialGrad.setColorAt(0, Qt.yellow)
radialGrad.setColorAt(0.2, Qt.yellow)
radialGrad.setColorAt(1, Qt.transparent)
pixmap = QPixmap(60, 60)
pixmap.fill(Qt.transparent)
painter = QPainter(pixmap)
painter.setPen(Qt.NoPen)
painter.setBrush(radialGrad)
painter.drawEllipse(0, 0, 60, 60)
painter.end()
self.m_lightSource = self.m_scene.addPixmap(pixmap)
self.m_lightSource.setZValue(2)
for i in range(-2, 3):
for j in range(-2, 3):
if (i + j) & 1:
item = QGraphicsEllipseItem(0, 0, 50, 50)
else:
item = QGraphicsRectItem(0, 0, 50, 50)
item.setPen(QPen(Qt.black, 1))
item.setBrush(QBrush(Qt.white))
effect = QGraphicsDropShadowEffect(self)
effect.setBlurRadius(8)
item.setGraphicsEffect(effect)
item.setZValue(1)
item.setPos(i * 80, j * 80)
self.m_scene.addItem(item)
self.m_items.append(item)
def setupScene(self):
self.m_scene.setSceneRect(-300, -200, 600, 460)
linearGrad = QLinearGradient(QPointF(-100, -100), QPointF(100, 100))
linearGrad.setColorAt(0, QColor(255, 255, 255))
linearGrad.setColorAt(1, QColor(192, 192, 255))
self.setBackgroundBrush(linearGrad)
radialGrad = QRadialGradient(30, 30, 30)
radialGrad.setColorAt(0, Qt.yellow)
radialGrad.setColorAt(0.2, Qt.yellow)
radialGrad.setColorAt(1, Qt.transparent)
pixmap = QPixmap(60, 60)
pixmap.fill(Qt.transparent)
painter = QPainter(pixmap)
painter.setPen(Qt.NoPen)
painter.setBrush(radialGrad)
painter.drawEllipse(0, 0, 60, 60)
painter.end()
self.m_lightSource = self.m_scene.addPixmap(pixmap)
self.m_lightSource.setZValue(2)
for i in range(-2, 3):
for j in range(-2, 3):
if (i + j) & 1:
item = QGraphicsEllipseItem(0, 0, 50, 50)
else:
item = QGraphicsRectItem(0, 0, 50, 50)
item.setPen(QPen(Qt.black, 1))
item.setBrush(QBrush(Qt.white))
effect = QGraphicsDropShadowEffect(self)
effect.setBlurRadius(8)
item.setGraphicsEffect(effect)
item.setZValue(1)
item.setPos(i * 80, j * 80)
self.m_scene.addItem(item)
self.m_items.append(item)
