78 lines
2.4 KiB
Python
78 lines
2.4 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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Created on 2018年10月18日
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@author: Irony
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@site: https://pyqt.site , https://github.com/PyQt5
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@email: 892768447@qq.com
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@file: ImageSlipped
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@description:
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"""
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try:
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from PyQt5.QtGui import QPixmap, QPainter
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from PyQt5.QtWidgets import QWidget, QApplication
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except ImportError:
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from PySide2.QtGui import QPixmap, QPainter
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from PySide2.QtWidgets import QWidget, QApplication
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class SlippedImgWidget(QWidget):
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def __init__(self, bg, fg, *args, **kwargs):
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super(SlippedImgWidget, self).__init__(*args, **kwargs)
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# 开启鼠标跟踪
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self.setMouseTracking(True)
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# 背景
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self.bgPixmap = QPixmap(bg)
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# 前景
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self.pePixmap = QPixmap(fg)
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# 最小尺寸(背景右边和下方隐藏10个像素)
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size = self.bgPixmap.size()
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self.setMinimumSize(size.width() - 10, size.height() - 10)
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self.setMaximumSize(size.width() - 10, size.height() - 10)
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# 分成10份用于鼠标移动判断
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self.stepX = size.width() / 10
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self.stepY = size.height() / 10
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# 偏移量
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self._offsets = [-4, -4, -4, -4] # 背景(-4,-4),前景(-4,-4)
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def mouseMoveEvent(self, event):
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super(SlippedImgWidget, self).mouseMoveEvent(event)
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pos = event.pos()
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# 偏移量
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offsetX = 5 - int(pos.x() / self.stepX)
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offsetY = 5 - int(pos.y() / self.stepY)
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self._offsets[0] = offsetX
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self._offsets[1] = offsetY
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self._offsets[2] = offsetX
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self._offsets[3] = offsetY
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# 刷新
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self.update()
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def paintEvent(self, event):
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super(SlippedImgWidget, self).paintEvent(event)
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# 绘制图形
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painter = QPainter(self)
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painter.setRenderHint(QPainter.Antialiasing)
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# 左上角偏移5个像素画背景图片
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painter.drawPixmap(
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-5 + self._offsets[0],
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-5 + self._offsets[1], self.bgPixmap)
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# 右下角偏移5个像素画前景图片
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painter.drawPixmap(
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self.width() - self.pePixmap.width() + 5 - self._offsets[2],
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self.height() - self.pePixmap.height() + 5 - self._offsets[3],
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self.pePixmap
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)
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if __name__ == '__main__':
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import sys
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app = QApplication(sys.argv)
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w = SlippedImgWidget('Data/bg1.jpg', 'Data/fg1.png')
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w.show()
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sys.exit(app.exec_())
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