34 lines
1.1 KiB
Python
34 lines
1.1 KiB
Python
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# CustomPlotItem.py
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from PyQt6 import *
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from PyQt6.QtCore import *
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from PyQt6.QtQuick import QQuickPaintedItem
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from PyQt6.QtGui import QPainter
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from QCustomPlot_PyQt6 import QCustomPlot, QCPGraph
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class CustomPlotItem(QQuickPaintedItem):
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def __init__(self, parent=None):
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super().__init__(parent)
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self.customPlot = QCustomPlot()
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# 示例：添加一个简单的图表
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self.graph0 = self.customPlot.addGraph()
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self.customPlot.xAxis.setLabel("X")
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self.customPlot.yAxis.setLabel("Y")
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self.customPlot.xAxis.setRange(0, 5000)
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self.customPlot.yAxis.setRange(0, 30)
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def paint(self, painter: QPainter):
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self.customPlot.setGeometry(0, 0, int(self.width()), int(self.height()))
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# 将 QCustomPlot 的内容绘制到 QQuickPaintedItem 上
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painter.drawPixmap( 0, 0, int(self.width()),int(self.height()), self.customPlot.toPixmap())
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@pyqtSlot(list, list)
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def setGraphData(self, keys, values):
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# 设置图表数据
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self.graph0.setData(keys, values)
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self.customPlot.replot()
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self.update(QRect(0, 0, int(self.width()), int(self.height())))
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