pyqt5 字体竖向排列
时间: 2023-10-20 18:30:59 浏览: 59
在PyQt5中,可以使用QPainter和QFontMetrics来实现字体的竖向排列。首先,使用QFontMetrics获取字体的尺寸信息。然后,使用QPainter在指定位置绘制每个字符,同时旋转90度使其竖向排列。以下是一个示例代码:
```python
# 导入需要的模块
from PyQt5.QtWidgets import QApplication, QWidget
from PyQt5.QtGui import QPainter, QFont, QFontMetrics
from PyQt5.QtCore import Qt
# 创建一个继承自QWidget的自定义窗口类
class MyWidget(QWidget):
def __init__(self):
super().__init__()
def paintEvent(self, event):
painter = QPainter(self)
font = QFont("Arial", 12) # 设置字体和字号
painter.setFont(font)
text = "Hello World" # 要绘制的文本
# 获取字体的尺寸信息
metrics = QFontMetrics(font)
text_width = metrics.width(text)
text_height = metrics.height()
# 设置绘制的起始位置
x = (self.width() - text_height) / 2
y = (self.height() - text_width) / 2
# 绘制每个字符,同时旋转90度
for i, char in enumerate(text):
painter.save()
painter.translate(x, y + i * text_height)
painter.rotate(90)
painter.drawText(0, 0, char)
painter.restore()
# 创建应用程序对象
app = QApplication([])
# 创建窗口对象
window = MyWidget()
# 设置窗口大小
window.resize(400, 300)
# 显示窗口
window.show()
# 进入事件循环
app.exec_()
```
这段代码创建了一个自定义的QWidget窗口,然后在窗口的绘制事件中使用QPainter和QFontMetrics来实现字体的竖向排列。你可以根据自己的需求进行修改和扩展。请注意,这只是一个简单的示例,实际使用中可能需要更复杂的布局和绘制逻辑来实现你的需求。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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