python pyqt5 窗体动画效果

用户5760343

发布于 2019-07-28 14:56:44

1.7K0

发布于 2019-07-28 14:56:44

文章被收录于专栏：sktjsktj

image.png

-- coding: utf-8 --

""" 【简介】不规则窗体的动画实现

"""

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) # 500毫秒 self.timer.timeout.connect(self.timeChange) self.timer.start()

# 显示不规则 pic
def mypix(self):
    self.update()
    if self.i == 5:
        self.i = 1
    self.mypic = {1: './images/left.png', 2: "./images/up.png", 3: './images/right.png', 4: './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)

# 鼠标双击事件
def mouseDoubleClickEvent(self, event):
    if event.button() == 1:
        self.i += 1
        self.mypix()

# 每500毫秒修改paint
def timeChange(self):
    self.i += 1
    self.mypix()

if name == 'main': app = QApplication(sys.argv) form = ShapeWidget() form.show() sys.exit(app.exec_())

本文参与腾讯云自媒体分享计划，分享自作者个人站点/博客。

原始发表：2019.07.26 ，如有侵权请联系 cloudcommunity@tencent.com 删除

本文分享自作者个人站点/博客前往查看

如有侵权，请联系 cloudcommunity@tencent.com 删除。

本文参与腾讯云自媒体分享计划，欢迎热爱写作的你一起参与！

登录后参与评论

0 条评论

热度