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本文修正

2017/05/18 22:31

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退会済みユーザー

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test CHANGED Viewed

@@ -8,24 +8,6 @@
-メモ.1 原因は割り切れていませんが、(threadのtimer等を使って)whileの無限ループ以外で画像を更新しないと、黒地に白い粒状の画像になってしまう。
-メモ.2 Youhei様の指摘に合ったように、別のスレッドで画像を更新しないと、windowをドラッグしたり、windowのフォーカスを別のwindowに移動させるだけでソフトがクラッシュする
-Youhei様のご指摘を加味するとこんなイメージです。
-とりあえず動く形になったので自己解決でベストアンサーで閉めたいと思います。
-ご協力ありがとうございました。
 ```Python
 import wx

コードの全面修正

2017/05/18 22:31

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退会済みユーザー

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test CHANGED Viewed

@@ -1,3 +1,9 @@
+5/19朝追記
+GUIを落としてからまだ黒窓が残ってしまっています
 粗削りですが…
@@ -22,7 +28,7 @@
 ```Python
-import wx
+import wx
 import os
@@ -32,16 +38,16 @@
 import threading
-import time
+import sys
 GUI_IMAGE_X = 240
 GUI_IMAGE_Y = 180
-TIMER_MS = 500
 CAMMODE = False
@@ -202,177 +208,185 @@
-        self.camera_thread = threading.Thread(target = self.Camera_mode)
-        self.camera_thread.start()
-        self.Camera_mode
-    #----------------------------------------------------------------------
+    #----------------------------------------------------------------------
-    def Camera_mode(self):
+    def run(self):
+        print("RUN時のスレッド数 : " + str(threading.activeCount()))
         global CAMMODE
+        while CAMMODE == True :
+            # Get camera information : "0" is device numer
+            cap = cv2.VideoCapture(0)
+            ret, frame = cap.read()
+            while ret == False:
+                # Get camera information : "0" is device numer
+                cap = cv2.VideoCapture(0)
+                ret, frame = cap.read()
+                self.panelText("ERROR: Camera is not working.")
+            while ret == True:
+                cv2.waitKey(1)
+                ret, frame = cap.read()
+                self.panelText("Camera mode")
+                # Load an image to entity from file
+                self.panelImage(cv2.cvtColor(frame, cv2.COLOR_BGR2RGB))
+                # 複数スレッド化がうまくいていない
+                if threading.activeCount() == 1:
-        print("CAMMODE:" + str(CAMMODE))
+                    sys.exit("うまくいっていない")
+########################################################################
+class DnDFrame(wx.Frame):
+    #----------------------------------------------------------------------
+    def __init__(self):
+        self.window = wx.Frame.__init__(self, parent=None, title="GUI test", style=wx.DEFAULT_FRAME_STYLE ^ wx.RESIZE_BORDER)
+        self.InitMenu()
+        self.panel = DnDPanel(self)
+        self.Fit()
+        self.cc = CameraControl(self)
+        self.cc.setDaemon(True)
+        self.cc.start()
+        self.Show()
+    #----------------------------------------------------------------------
+    # Initialize
+    def InitMenu(self):
+        # Menubar
+        menubar = wx.MenuBar()
+        fileMenu = wx.Menu()
+        f_item2 = fileMenu.Append(wx.ID_ANY, '&Camera(C)', 'Load image from USB camera')
+        fileMenu.AppendSeparator()
+        f_item3 = fileMenu.Append(wx.ID_ANY, '&Quit(Q)', 'Quit application')
+        menubar.Append(fileMenu, '&File(F)')
+        self.SetMenuBar(menubar)
+        # Event call definition
+        self.Bind(wx.EVT_MENU, self.OnCamera, f_item2)
+        self.Bind(wx.EVT_MENU, self.OnQuit, f_item3)
+        # Frame definition
+        self.Centre()
+        # Status bar
+        self.CreateStatusBar()
+        self.setstatusbarTXT("")
+        self.Show(True)
+    #----------------------------------------------------------------------
+    # Event hander: set status text
+    def setstatusbarTXT(self, msg):
+        self.SetStatusText(msg)
+    #----------------------------------------------------------------------
+    # Event: Quit
+    def OnQuit(self,event):
+        #self.Destroy()
+        sys.exit()
+    #----------------------------------------------------------------------
+    # Event: Camera
+    def OnCamera(self, event):
+        global CAMMODE
         CAMMODE = True
-        while CAMMODE == True :
-            # Get camera information : "0" is device numer
-            cap = cv2.VideoCapture(0)
-            ret, frame = cap.read()
-            while ret == False:
-                #print("SLEEP")
-                time.sleep(TIMER_MS/1000)
-                # Get camera information : "0" is device numer
-                cap = cv2.VideoCapture(0)
-                ret, frame = cap.read()
-                self.panelText("ERROR: Camera is not working.")
-            while ret == True:
-                #cv2.imshow("frame",frame )
-                cv2.waitKey(1)
-                ret, frame = cap.read()
-                self.panelText("Camera mode")
+        self.panel.updateText("Camera mode")
-                # Load an image to entity from file
-                self.panelImage(cv2.cvtColor(frame, cv2.COLOR_BGR2RGB))
+        self.setstatusbarTXT("Camera mode")
-########################################################################
-class DnDFrame(wx.Frame):
-    #----------------------------------------------------------------------
-    def __init__(self):
-        self.window = wx.Frame.__init__(self, parent=None, title="GUI test", style=wx.DEFAULT_FRAME_STYLE ^ wx.RESIZE_BORDER)
-        self.InitMenu()
-        self.panel = DnDPanel(self)
-        self.Fit()
         self.cc = CameraControl(self)
-        self.Show()
-    #----------------------------------------------------------------------
-    # Initialize
-    def InitMenu(self):
-        # Menubar
-        menubar = wx.MenuBar()
-        fileMenu = wx.Menu()
-        f_item2 = fileMenu.Append(wx.ID_ANY, '&Camera(C)', 'Load image from USB camera')
-        fileMenu.AppendSeparator()
-        f_item3 = fileMenu.Append(wx.ID_ANY, '&Quit(Q)', 'Quit application')
-        menubar.Append(fileMenu, '&File(F)')
-        self.SetMenuBar(menubar)
-        # Event call definition
-        self.Bind(wx.EVT_MENU, self.OnCamera, f_item2)
-        self.Bind(wx.EVT_MENU, self.OnQuit, f_item3)
-        # Frame definition
-        self.Centre()
-        # Status bar
-        self.CreateStatusBar()
-        self.setstatusbarTXT("")
-        self.Show(True)
+        self.cc.setDaemon(True)
-    #----------------------------------------------------------------------
-    # Event hander: set status text
-    def setstatusbarTXT(self, msg):
-        self.SetStatusText(msg)
-    #----------------------------------------------------------------------
-    # Event: Quit
-    def OnQuit(self,event):
-        self.Destroy()
+        self.cc.start()
-    #----------------------------------------------------------------------
-    # Event: Camera
-    def OnCamera(self, event):
-        self.panel.updateText("Camera mode")
-        self.setstatusbarTXT("Camera mode")
-        CAMMODE = True
-        self.cc.Camera_mode()
@@ -380,34 +394,6 @@
 if __name__ == "__main__":
-    #
-    # cap = cv2.VideoCapture(0)
-    # ret, frame = cap.read()
-    # while ret == False:
-    #     print("SLEEP")
-    #     time.sleep(TIMER_MS/1000)
-    #     cap = cv2.VideoCapture(0)
-    #     ret, frame = cap.read()
-    #
-    # while ret == True:
-    #     cv2.imshow("frame",frame )
-    #     cv2.waitKey(1)
-    #     ret, frame = cap.read()
     app = wx.App(False)
     frame = DnDFrame()
@@ -416,4 +402,6 @@
 ```