54 lines
2.2 KiB
Python
54 lines
2.2 KiB
Python
from PySide6.QtCore import QRectF, Qt
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from PySide6.QtGui import QBrush, QPainter, QPen
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from PySide6.QtWidgets import QGraphicsEllipseItem, QGraphicsItem, QStyleOptionGraphicsItem, QWidget
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class SphereGraphicsItem(QGraphicsEllipseItem):
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SPHERE_WIDTH = 30
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def __init__(self, x_pos: int, y_pos: int) -> None:
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super().__init__(self.SPHERE_WIDTH/2, self.SPHERE_WIDTH/2, self.SPHERE_WIDTH, self.SPHERE_WIDTH)
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print(f"sphere at {x_pos}:{y_pos}")
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self.setPos(x_pos, y_pos)
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brush = QBrush(Qt.GlobalColor.darkBlue)
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self.setBrush(brush)
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pen = QPen(Qt.GlobalColor.blue)
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pen.setWidth(3)
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self.setPen(pen)
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self.show()
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class ArcGraphicsItem(QGraphicsItem):
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def __init__(self, x_pos: int, y_pos: int, width: int, angle_start: int, angle_end: int, parent: QGraphicsItem | None = ...):
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super().__init__(parent)
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print(f"arc from {x_pos}:{y_pos} of {width} {angle_start}° {angle_end}°")
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self.x_pos = x_pos
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self.y_pos = y_pos
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self.width = width
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self.angle_start = angle_start
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self.angle_end = angle_end
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def paint(self, painter: QPainter, option: QStyleOptionGraphicsItem, widget: QWidget | None = ...) -> None:
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shift = int(self.width/2)
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painter.drawArc(self.x_pos-shift, self.y_pos-shift, self.width*2,
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self.width*2, self.angle_start*16, self.angle_end*16)
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def boundingRect(self) -> QRectF:
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return QRectF(0, 0, self.x_pos, self.y_pos)
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class LineGraphicsItem(QGraphicsItem):
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def __init__(self, begin_x: int, begin_y: int, end_x: int, end_y: int, parent: QGraphicsItem | None = ...) -> None:
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super().__init__(parent)
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print(f"line from {begin_x}:{begin_y} to {end_x}:{end_y}")
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self.begin_x = begin_x
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self.begin_y = begin_y
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self.end_x = end_x
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self.end_y = end_y
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def paint(self, painter: QPainter, option: QStyleOptionGraphicsItem, widget: QWidget | None = ...) -> None:
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painter.drawLine(self.begin_x, self.begin_y, self.end_x, self.end_y)
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def boundingRect(self) -> QRectF:
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return QRectF(self.begin_x, self.begin_y, self.end_x, self.end_y)
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