PyQt - BrushStyle 常量

预定义的 QColor 样式

Qt.NoBrush No brush pattern
Qt.SolidPattern Uniform color
Qt.Dense1Pattern Extremely dense brush pattern
Qt.HorPattern Horizontal lines
Qt.VerPattern Vertical lines
Qt.CrossPattern Crossing horizontal and vertical lines
Qt.BDiagPattern Backward diagonal lines
Qt.FDiagPattern Forward diagonal lines
Qt.DiagCrossPattern Crossing diagonal lines

Predefined QColor Objects

Qt.white
Qt.black
Qt.red
Qt.darkRed
Qt.green
Qt.darkGreen
Qt.blue
Qt.cyan
Qt.magenta
Qt.yellow
Qt.darkYellow
Qt.gray

可以通过指定 RGB 或 CMYK 或 HSV 值来选择自定义颜色。


示例

以下示例实现了其中一些方法。

import sys
from PyQt4.QtGui import *
from PyQt4.QtCore import *

class Example(QWidget):

   def __init__(self):
      super(Example, self).__init__()
      self.initUI()
		
   def initUI(self):
      self.text = "hello world"
      self.setGeometry(100,100, 400,300)
      self.setWindowTitle('Draw Demo')
      self.show()
		
   def paintEvent(self, event):
      qp = QPainter()
      qp.begin(self)
      qp.setPen(QColor(Qt.red))
      qp.setFont(QFont('Arial', 20))
		
      qp.drawText(10,50, "hello Pyth
		on")
      qp.setPen(QColor(Qt.blue))
      qp.drawLine(10,100,100,100)
      qp.drawRect(10,150,150,100)
		
      qp.setPen(QColor(Qt.yellow))
      qp.drawEllipse(100,50,100,50)
      qp.drawPixmap(220,10,QPixmap("python.jpg"))
      qp.fillRect(200,175,150,100,QBrush(Qt.SolidPattern))
      qp.end()
		
def main():
   app = QApplication(sys.argv)
   ex = Example()
   sys.exit(app.exec_())
	
if __name__ == '__main__':
   main()

上面的代码产生以下输出 −

BrushStyle 常量输出