97 lines
2.5 KiB
Python
97 lines
2.5 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 (
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QGraphicsEllipseItem,
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QGraphicsItem,
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QStyleOptionGraphicsItem,
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QWidget,
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)
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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__(
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self.SPHERE_WIDTH / 2,
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self.SPHERE_WIDTH / 2,
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self.SPHERE_WIDTH,
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self.SPHERE_WIDTH,
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)
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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__(
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self,
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x_pos: int,
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y_pos: int,
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width: int,
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angle_start: int,
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angle_end: int,
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parent: QGraphicsItem | None = ...,
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):
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super().__init__(parent)
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shift = int(width / 2)
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self.x_pos = x_pos - shift
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self.y_pos = y_pos - shift
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self.width = width * 2
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self.angle_start = angle_start * 16
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self.angle_end = angle_end * 16
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print(
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f"arc from {self.x_pos}:{self.y_pos} of {self.width} {self.angle_start}° {self.angle_end}°"
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)
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def paint(
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self,
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painter: QPainter,
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option: QStyleOptionGraphicsItem,
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widget: QWidget | None = ...,
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) -> None:
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painter.drawArc(
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self.x_pos,
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self.y_pos,
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self.width,
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self.width,
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self.angle_start,
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self.angle_end,
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)
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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__(
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self,
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begin_x: int,
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begin_y: int,
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end_x: int,
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end_y: int,
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parent: QGraphicsItem | None = ...,
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) -> 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(
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self,
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painter: QPainter,
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option: QStyleOptionGraphicsItem,
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widget: QWidget | None = ...,
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) -> 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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