PyQt写的图片播放器简约版.

用PyQt写的图片播放器。

用线程控制。

线程之间的信号传递。

 1 # -*- coding:utf-8 -*-
 2
 3 from PyQt4 import QtGui, QtCore
 4 import sys, os, time
 5
 6 # from datetime import date, time, datetime, timedelta
 7 QtCore.QTextCodec.setCodecForTr(QtCore.QTextCodec.codecForName("utf8"))
 8
 9 GetMyPath = []
10 class Image_view(QtGui.QMainWindow):
11     def __init__(self):
12         super(Image_view, self).__init__()
13
14         self.setWindowTitle(self.tr("Image_view"))
15         self.resize(800, 450)
16
17         self.imageLabel = QtGui.QLabel()
18         self.imageLabel.setSizePolicy(QtGui.QSizePolicy.Ignored, QtGui.QSizePolicy.Ignored)
19         self.imageLabel.setScaledContents(True)
20         self.setCentralWidget(self.imageLabel)
21
22         self.createActions()
23         self.createButton()
24         self.MyImage = QtGui.QImage()
25
26         self.th_cmd = mythread()
27         self.th_cmd._signal.connect(self.runImages)
28
29     def createActions(self):
30         self.openFileAction = QtGui.QAction(self.tr("Open Images Path"), self)
31         self.connect(self.openFileAction, QtCore.SIGNAL("triggered()"), self.OpenFile)
32
33         self.Play_Image = QtGui.QAction(self.tr("Play"), self)
34         self.connect(self.Play_Image, QtCore.SIGNAL("triggered()"), self.StartPlay)
35
36         self.Stop_Image = QtGui.QAction(self.tr("Stop"), self)
37         self.connect(self.Stop_Image, QtCore.SIGNAL("triggered()"), self.StopPay)
38
39     def createButton(self):
40         fileTool = self.addToolBar(self.tr("文件"))
41         fileTool.addAction(self.openFileAction)
42
43         Play_Image_Tool = self.addToolBar(self.tr("播放"))
44         Play_Image_Tool.addAction(self.Play_Image)
45
46         Exit_Image_Tool = self.addToolBar(self.tr("停止"))
47         Exit_Image_Tool.addAction(self.Stop_Image)
48
49     def OpenFile(self):
50         s = QtGui.QFileDialog.getExistingDirectory(self, u"Give Me FileName[填入路径文件名]:")
51         for i in os.listdir(s):
52             GetMyPath.append(str(s) + "\\" + str(i))
53         #print GetMyPath
54
55     def StartPlay(self):
56         self.th_cmd.start()
57
58     def StopPay(self):
59         self.th_cmd.terminate()  # terminate 终止进程.
60
61     def runImages(self, item):
62         MyPath = GetMyPath
63         if self.MyImage.load(MyPath[int(item)]) is not None:
64             self.imageLabel.setPixmap(QtGui.QPixmap.fromImage(self.MyImage))
65
66
67 class mythread(QtCore.QThread):
68     _signal = QtCore.pyqtSignal(str)
69
70     def __init__(self):
71         super(mythread, self).__init__()
72
73     def run(self, day=0, hour=0, min=0, second=2):
74         for i in range(len(GetMyPath)):
75             self._signal.emit(str(i))
76
77             time.sleep(0.1)
78
79
80
81 if __name__ == "__main__":
82     app = QtGui.QApplication(sys.argv)
83     win = Image_view()
84     win.show()
85     app.exec_()