本文整理汇总了Python中PyQt5.QtCore.Qt.DashLine方法的典型用法代码示例。如果您正苦于以下问题:Python Qt.DashLine方法的具体用法?Python Qt.DashLine怎么用?Python Qt.DashLine使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类PyQt5.QtCore.Qt
的用法示例。
在下文中一共展示了Qt.DashLine方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: paintEvent
# 需要导入模块: from PyQt5.QtCore import Qt [as 别名]
# 或者: from PyQt5.QtCore.Qt import DashLine [as 别名]
def paintEvent(self, event):
painter = QPainter(self)
painter.setRenderHint(QPainter.Antialiasing)
# 背景白色
painter.fillRect(event.rect(), QBrush(Qt.white))
# 绘制边缘虚线框
painter.setPen(Qt.DashLine)
painter.setBrush(Qt.NoBrush)
painter.drawRect(self.rect())
# 随机画条线
for _ in range(3):
painter.setPen(QPen(QTCOLORLIST[qrand() % 5], 1, Qt.SolidLine))
painter.setBrush(Qt.NoBrush)
painter.drawLine(QPoint(0, qrand() % self.height()),
QPoint(self.width(), qrand() % self.height()))
painter.drawLine(QPoint(qrand() % self.width(), 0),
QPoint(qrand() % self.width(), self.height()))
# 绘制噪点
painter.setPen(Qt.DotLine)
painter.setBrush(Qt.NoBrush)
for _ in range(self.width()): # 绘制噪点
painter.drawPoint(QPointF(qrand() % self.width(), qrand() % self.height()))
# super(WidgetCode, self).paintEvent(event) # 绘制文字
# 绘制跳动文字
metrics = QFontMetrics(self.font())
x = (self.width() - metrics.width(self.text())) / 2
y = (self.height() + metrics.ascent() - metrics.descent()) / 2
for i, ch in enumerate(self.text()):
index = (self.step + i) % 16
painter.setPen(TCOLORLIST[qrand() % 6])
painter.drawText(x, y - ((SINETABLE[index] * metrics.height()) / 400), ch)
x += metrics.width(ch)
示例2: __init__
# 需要导入模块: from PyQt5.QtCore import Qt [as 别名]
# 或者: from PyQt5.QtCore.Qt import DashLine [as 别名]
def __init__(self, model_item: Participant, parent=None):
super().__init__(parent)
self.model_item = model_item
self.text = QGraphicsTextItem(self)
self.line = QGraphicsLineItem(self)
self.line.setPen(QPen(Qt.darkGray, 1, Qt.DashLine, Qt.RoundCap, Qt.RoundJoin))
self.refresh()
示例3: refresh
# 需要导入模块: from PyQt5.QtCore import Qt [as 别名]
# 或者: from PyQt5.QtCore.Qt import DashLine [as 别名]
def refresh(self):
self.text.setPlainText("?" if not self.model_item else self.model_item.shortname)
if hasattr(self.model_item, "simulate") and self.model_item.simulate:
font = QFont()
font.setBold(True)
self.text.setFont(font)
self.text.setDefaultTextColor(Qt.darkGreen)
self.line.setPen(QPen(Qt.darkGreen, 2, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
else:
self.text.setFont(QFont())
self.text.setDefaultTextColor(settings.LINECOLOR)
self.line.setPen(QPen(Qt.darkGray, 1, Qt.DashLine, Qt.RoundCap, Qt.RoundJoin))
示例4: add_grid
# 需要导入模块: from PyQt5.QtCore import Qt [as 别名]
# 或者: from PyQt5.QtCore.Qt import DashLine [as 别名]
def add_grid(self):
"""Add axis and ticks to figure.
Notes
-----
I know that visvis and pyqtgraphs can do this in much simpler way, but
those packages create too large a padding around the figure and this is
pretty fast.
"""
value = self.config.value
# X-AXIS
# x-bottom
self.scene.addLine(value['x_min'], value['y_min'],
value['x_min'], value['y_max'],
QPen(QColor(LINE_COLOR), LINE_WIDTH))
# at y = 0, dashed
self.scene.addLine(value['x_min'], 0,
value['x_max'], 0,
QPen(QColor(LINE_COLOR), LINE_WIDTH, Qt.DashLine))
# ticks on y-axis
y_high = int(floor(value['y_max']))
y_low = int(ceil(value['y_min']))
x_length = (value['x_max'] - value['x_min']) / value['x_tick']
for y in range(y_low, y_high):
self.scene.addLine(value['x_min'], y,
value['x_min'] + x_length, y,
QPen(QColor(LINE_COLOR), LINE_WIDTH))
# Y-AXIS
# left axis
self.scene.addLine(value['x_min'], value['y_min'],
value['x_max'], value['y_min'],
QPen(QColor(LINE_COLOR), LINE_WIDTH))
# larger ticks on x-axis every 10 Hz
x_high = int(floor(value['x_max']))
x_low = int(ceil(value['x_min']))
y_length = (value['y_max'] - value['y_min']) / value['y_tick']
for x in range(x_low, x_high, 10):
self.scene.addLine(x, value['y_min'],
x, value['y_min'] + y_length,
QPen(QColor(LINE_COLOR), LINE_WIDTH))
# smaller ticks on x-axis every 10 Hz
y_length = (value['y_max'] - value['y_min']) / value['y_tick'] / 2
for x in range(x_low, x_high, 5):
self.scene.addLine(x, value['y_min'],
x, value['y_min'] + y_length,
QPen(QColor(LINE_COLOR), LINE_WIDTH))