我有一个程序可以从QFontDatabase中以随机选择的字体显示我的消息:
import sys
from PyQt5 import uic
from PyQt5.QtGui import QFont, QFontDatabase
from PyQt5.QtWidgets import QApplication, QWidget, QMainWindow
class MyWidget(QMainWindow):
def __init__(self):
super().__init__()
uic.loadUi("main1.ui", self)
db = QFontDatabase()
family = random.choice(db.families())
print(family)
font = db.font(family, "", 72)
self.label.setFont(font)
self.run()
def run(self):
self.label.setText("message")
if __name__ == "__main__":
app = QApplication(sys.argv)
ex = MyWidget()
ex.show()
sys.exit(app.exec_())
问题如下:我意识到由于某些原因,我需要从数据库中删除大多数标准字体。我已经阅读了QFont的文档,但是找不到解决方法,也许错过了一些东西。也许从具有选定字体的文件夹中执行选择会更容易?我该怎么办?
import os
import random
import sys
from PyQt5 import uic
from PyQt5.QtGui import QFont, QFontDatabase
from PyQt5.QtWidgets import QApplication, QWidget, QMainWindow
class MyWidget(QMainWindow):
def __init__(self):
super().__init__()
uic.loadUi("main1.ui", self)
current_dir = os.path.dirname(os.path.realpath(__file__))
font_dir = os.path.join(current_dir, "fonts")
files = os.listdir(font_dir)
file = random.choice(files)
print(file)
id_ = QFontDatabase.addApplicationFont(os.path.join(font_dir, file))
families = QFontDatabase.applicationFontFamilies(id_)
family = random.choice(families)
font = QFont(family, 72)
self.label.setFont(font)
self.run()
def run(self):
self.label.setText("message")
if __name__ == "__main__":
app = QApplication(sys.argv)
ex = MyWidget()
ex.show()
sys.exit(app.exec_())
创建字体家族列表并选择: