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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Created on 2018年6月8日
author: Irony
site: https://pyqt.site , https://github.com/PyQt5
email: 892768447@qq.com
file: ProbeWindow
description: 简单探测窗口和放大截图
"""
import win32gui
try:
from PyQt5.QtCore import Qt, QRect
from PyQt5.QtGui import QPainter, QPen, QCursor, QColor
from PyQt5.QtWidgets import QLabel, QWidget, QApplication
except ImportError:
from PySide2.QtCore import Qt, QRect
from PySide2.QtGui import QPainter, QPen, QCursor, QColor
from PySide2.QtWidgets import QLabel, QWidget, QApplication
class FrameWidget(QWidget):
# 一个全屏的透明窗口
def __init__(self, *args, **kwargs):
super(FrameWidget, self).__init__(*args, **kwargs)
self.setWindowFlags(Qt.Tool | Qt.FramelessWindowHint |
Qt.WindowStaysOnTopHint)
self.setAttribute(Qt.WA_TranslucentBackground, True)
self.showFullScreen() # 全屏
self._rect = QRect() # 被探测的窗口的矩形位置
def setRect(self, x, y, w, h):
# 更新矩形框
self._rect.setX(x)
self._rect.setY(y)
self._rect.setWidth(w - x)
self._rect.setHeight(h - y)
self.update()
def paintEvent(self, event):
super(FrameWidget, self).paintEvent(event)
if self._rect.isValid(): # 画边框
painter = QPainter(self)
painter.setPen(QPen(Qt.red, 4))
painter.drawRect(self._rect)
class Label(QLabel):
def __init__(self, *args, **kwargs):
super(Label, self).__init__(*args, **kwargs)
self.ismd = False # 是不是否按下
self.setAlignment(Qt.AlignCenter)
self.setText('鼠标按住不放拖动到外面')
self.resize(240, 240)
self.frameWidget = FrameWidget() # 边框
def closeEvent(self, event):
self.frameWidget.close()
super(Label, self).closeEvent(event)
def mousePressEvent(self, event):
super(Label, self).mousePressEvent(event)
self.ismd = True # 按下
# 设置鼠标样式为十字
self.setCursor(Qt.CrossCursor)
def mouseReleaseEvent(self, event):
super(Label, self).mouseReleaseEvent(event)
self.ismd = False
self.frameWidget.setRect(0, 0, 0, 0)
# 设置鼠标样式为普通
self.setCursor(Qt.ArrowCursor)
self.clear()
self.setText('鼠标按住不放拖动到外面')
def mouseMoveEvent(self, event):
super(Label, self).mouseMoveEvent(event)
# 得到鼠标在屏幕中的位置
pos = self.mapToGlobal(event.pos())
hwnd = win32gui.WindowFromPoint((pos.x(), pos.y()))
self.frameWidget.setRect(*win32gui.GetWindowRect(hwnd))
# 截图
screen = QApplication.primaryScreen()
if screen is not None:
image = screen.grabWindow(0,
pos.x() - 60, pos.y() - 60, 120, 120)
if not image.isNull():
self.setPixmap(image.scaled(240, 240))
def paintEvent(self, event):
super(Label, self).paintEvent(event)
# 中正间画十字
painter = QPainter(self)
painter.setPen(Qt.red)
x = int(self.width() / 2)
y = int(self.height() / 2)
painter.drawLine(x, 0, x, self.height())
painter.drawLine(0, y, self.width(), y)
if self.ismd:
# 画坐标点
pos = QCursor.pos()
ret = win32gui.GetPixel(win32gui.GetWindowDC(
win32gui.GetDesktopWindow()), pos.x(), pos.y())
r, g, b = ret & 0xff, (ret >> 8) & 0xff, (ret >> 16) & 0xff
print(r, g, b)
painter.setPen(Qt.white)
painter.drawText(self.rect(), Qt.AlignLeft |
Qt.AlignBottom, '({}, {})\nRGB: ({}, {}, {})\n{}'.format(
pos.x(), pos.y(), r, g, b, QColor(r, g, b).name()))
if __name__ == '__main__':
import sys
app = QApplication(sys.argv)
app.setQuitOnLastWindowClosed(True)
w = Label()
w.show()
sys.exit(app.exec_())
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