import sys
from PyQt5.QtWidgets import QApplication, QWidget
from PyQt5.QtGui import QPainter, QColor, QFont, QPen
from PyQt5.QtCore import Qt
import random
class 점넣기(QWidget):
def __init__(self):
super().__init__()
self.UI초기화()
def UI초기화(self):
self.setGeometry(300, 300, 500, 500)
self.setWindowTitle('QPainter!')
self.show()
def paintEvent(self, event):
paint = QPainter()
paint.begin(self)
self.drawRandomPoint(paint)
paint.end()
def drawRandomPoint(self, paint):
pen = QPen()
colors = [Qt.red, Qt.blue, Qt.green]
size = self.size()
print(f'높이와 넓이 : {size.height()}, {size.width()}')
for _ in range(1000):
pen.setColor(QColor(random.choice(colors)))
pen.setWidth(random.randint(1, 20))
paint.setPen(pen)
x = random.randint(1, size.width() - 1)
y = random.randint(1, size.height() - 1)
paint.drawPoint(x, y)
프로그램무한반복 = QApplication(sys.argv)
실행인스턴스 = 점넣기()
프로그램무한반복.exec_()
점도 결국에는 팬으로 그리게 됩니다. PyQt에서 점은 넓이와 높이가 있는 선입니다.