目录PyQt5不规则窗口的显示QPixmap和QBitmap绘图的效果对比不可以拖动的不规则窗口可以拖动的不规则窗口不规则窗口实现动画效果加载GIF动画效果PyQt5不规则窗口的显示函数描述set...
目录
PyQt5 不规则窗口的显示QPixmap和QBitmap绘图的效果对比
不可以拖动的不规则窗口
可以拖动的不规则窗口
不规则窗口实现动画效果
加载GIF动画效果
PyQt5 不规则窗口的显示
setMask(self, QRegion)setMask()的作用是为调用它的控件增加一个遮罩，遮住所选区域以外的部分，使之看起来是透明的。它的参数可以为QBitmap或QRegion对象。paintEvent(self, QPaintEvent)通过重载paintEvent()函数绘制窗口背景
QPixmap和QBitmap绘图的效果对比
import sys
from PyQt5.QtWidgets import QApplication, QWidget
from PyQt5.QtGui import QPixmap, QPainter, QBitmap
class MyForm(QWidget):
def __init__(self, parent=None):
super(MyForm, self).__init__(parent)
self.setWindowTitle("不规则窗口的实现例子")
def paintEvent(self, event):
painter = QPainter(self)
painter.drawpixmap(0, 0, 280, 390, QPixmap(r"./pyqt5/images/dog.jpg"))
painter.drawPixmap(300, 0, 280, 390, QBitmap(r"./pyqt5/images/dog.jpg"))
if __name__ == "__main__":
app = QApplication(sys.argv)
form = MyForm()
form.show()
sys.exit(app.exec_())
不可以拖动的javascript不规则窗口
import sys
from PyQt5.QtWidgets import QApplication, QWidget
from PyQt5.QtGui import QPixmap, QPainter, QBitmap
class WinForm(QWidget):
def __init__(self, parent=None):
super(WinForm, self).__init__(parent)
self.setWindowTitle("不规则窗口的实现例子")
self.pix = QBitmap("./pyqt5/images/mask.png")
self.resize(self.pix.size())
self.setMask(self.pix)
def paintEvent(self, event):
painter = QPainter(self)
# 在指定区域直接绘制窗口背景
painter.drawPixmap(0, 0, self.pix.width(), self.pix.height(), QPixmap("./pyqt5/images/screen1.jpg"))
if __name__ == "__main__":
app = QApplication(sys.argv)
win = WinForm()
win.show()
sys.exit(app.exec_())
可以拖动的不规则窗口
import sys
from PyQt5.QtWidgets import QApplication ,QWidget
from PyQt5.QtGui import QPixmap, QPainter , QCursor , QBitmap
from PyQt5.QtCore import Qt
class ShapeWidget(QWidget):
def __init__(self,parent=None):
super(ShapeWidget,self).__init__(parent)
self.setWindowTitle("不规则的，可以拖动的窗体实现例子")
self.mypix()
# 显示不规则 pic
def mypix(self):
self.pix = QBitmap( "./pyqt5/images/mask.png" )
self.resize(self.pix.size())
self.setMask(self.pix)
print( self.pix.size())
self.dragPosition = None
# 重定义鼠标按下响应函数mousePressEvent(QMouseEvent)和鼠标移动响应函数mouseMoveEvent(QMouseEvent)，使不规则窗体能响应鼠标事件，随意拖动。
def mousePressEvent(self, event):
if event.button() == Qt.LeftButton:
self.m_drag=True
self.m_DragPosition=event.globalPos()-self.pos()
event.accept()
self.setCursor(QCursor(Qt.OpenHandCursor))
if event.button()==Qt.RightButton:
self.close()
def mouseMoveEvent(self, QMouseEvent):
if Qt.LeftButton and self.m_drag:
# 当左键移动窗体修改偏移值
self.move(QMouseEvent.globalPos()- self.m_DragPosition )
QMouseEvent.accept()
def mouseReleaseEvent(self, QMouseEvent):
self.m_drag=False
self.setCursor(QCursor(Qt.ArrowCursor))
#一般 paintEvent 在窗体首次绘制加载， 要重新加载paintEvent 需要重新加载窗口使用 self.update() or self.repaint()
def paintEvent(self, event):
painter = QPainter(self)
painter.drawPixmap(0,0,self.width(),self.height(),QPixmap("./pyqt5/images/boy.png"))
if __name__ == '__main__':
app=QApplication(sys.argv)
form=ShapeWidget()
form.show()
app.exec_()
不规则窗口实现动画效果
import sys
from PyQt5.QtWidgets import QApplication, QWidget
from PyQt5.QtGui import QPixmap, QPainter, QCursor
from PyQt5.QtCore import Qt, QTimer
class ShapeWidget(QWidget):
def __init__(self, parent=None):
super(ShapeWidget, self).__init__(parent)
self.i = 1
self.mypix()
self.timer = QTimer()
self.timer.setInterval(500) # 定时器每500毫秒更新一次
self.timer.timeout.connect(self.timeChange)
self.timer.start()
# 显示不规则图片
def mypix(self):
self.update()
if self.i == 5:
self.i = 1
self.mypic = {1:'./pyqt5/images/left.png', 2:'./pyqt5/images/up.png', 3:'./pyqt5/images/right.png', 4:'./pyqt5/images/down.png'}
self.pix = QPixmap(self.mypic[self.i], "0", Qt.AvoidDither | Qt.ThresholdDither | Qt.ThresholdAlphaDither)
self.resize(self.pix.size())
self.setMask(self.pix.mask())
self.dragPosition = None
def mousePressEvent(self, event):
if event.button() == Qt.LeftButton:
self.m_drag = True
self.m_DragPosition = event.globalPos() - self.pos()
event.accept()
self.setCursor(QCursor(Qt.OpenHandCursor))
def mouseMoveEvent(self, QMouseEvent):
if Qt.LeftButton and self.m_drag:
self.move(QMouseEvent.globalPos() - self.m_DragPosition)
QMouseEvent.accept()
def mouseReleaseEvent(self, QMouseEvent):
self.m_drag = False
self.setCursor(QCursor(Qt.ArrowCursor))
def paintEvent(self, event):
painter = QPainter(self)
painter.drawPixmap(0, 0, self.pix.width(), self.pix.height(), self.pix)
def mouseDoubleClickEvent(self, event):
if event.button() == 1:
self.i += 1
self.mypix()
def timeChange(self):
self.i += 1
self.mypix()
if __name__ == "__main__":
app = QApplication(sys.argv)
win = ShapeWidget()
win.show()
sys.exit(app.exec_())
加载GIF动画效果
import sys
from PyQt5.QtWidgets import QApplication, QLabel, QWidget
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QMovie
class LoadingGifWin(QWidget):
def __init__(self, parent=None):
super(LoadingGifWin, self).__init__(parent)
self.label = QLabel('', self)
self.setFixedSize(128, 128)
self.setWindowFlags(Qt.Dialog | Qt.CustomizeWindowHint)
self.movie = QMovie("./pyqt5/images/loading.gif")
self.label.setMovie(self.movie)
self.movie.start()
if __name__ == "__main__":
app = QApplication(sys.argv)
win = LoadingGifWin()
win.show()
sys.exit(app.exec_())
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