hoimage改为直接返回方式

CodeLibraryProject/CodeLibrary/FrmCodeDecode.cs

@@ -305,11 +305,11 @@ namespace CodeLibrary
                     return null;
                 }
                 HObject map;
-                bool result= Camera._cam.CaptureOnImage(camerName,out map);
-                if (result&&map == null)
+                map = Camera._cam.CaptureOnImage(camerName );
+                if (  map == null)
                 {
                     Camera._cam.Close(camerName);
-                    result = Camera._cam.CaptureOnImage(camerName, out map); 
+                    map = Camera._cam.CaptureOnImage(camerName );
                 }
                 return map;
             }
@@ -552,15 +552,15 @@ namespace CodeLibrary
             for (int index = 1; index <= whileCount; index++)
             {
                  
-                     task = Task.Factory.StartNew(delegate {
+                     //task = Task.Factory.StartNew(delegate {
 
                     label5.Text = "扫码测试_" + index;
-                    HObject ho_Image = null;
-                    try
+                HObject ho_Image = null;
+                try
+                    {
+                    ho_Image = Camera._cam.CaptureOnImage(camerName );
+                    if (  ho_Image != null)
                     {
-                        bool result = Camera._cam.CaptureOnImage(camerName, out ho_Image);
-                        if (result && ho_Image != null)
-                        {
                             //ClearPicImg(); 
                             // ShowImage(ho_Image);
                             HDLogUtil.info(" 相机【" + camerName + "】获取图片完成，开始扫码");
@@ -595,19 +595,19 @@ namespace CodeLibrary
                         HDLogUtil.error("ScanDemo[" + index + "]出错：" + ex.ToString());
                     }
                     finally
+                {
+                    if (ho_Image != null)
                     {
-                        if (ho_Image != null)
-                        {
-                            ho_Image.Dispose();
-                            ho_Image = null;
-                        } 
+                        ho_Image.Dispose();
+                        ho_Image = null;
                     }
+                }
                  
-                 });
-                 task.Wait();
+                 //});
+                 //task.Wait();
                 //GC.Collect();
                 //Thread.Sleep(100);
-                task.Dispose();
+                //task.Dispose();
                 Thread.Sleep(5);
             }
             this.Enabled = true;

CodeLibraryProject/CodeLibrary/FrmCodeLearn.cs

@@ -37,8 +37,8 @@ namespace CodeLibrary
             {
                 MessageBox.Show(selCamera);
                 return null;
-            } 
-               Camera._cam.CaptureOnImage(camerName,out ho_image);
+            }
+            ho_image= Camera._cam.CaptureOnImage(camerName );
             return ho_image;
         }
         private void btnOpen_Click(object sender, EventArgs e)

CodeLibraryProject/CodeLibrary/camera/Basler.cs

@@ -228,14 +228,14 @@ namespace CodeLibrary
             }
             return null;
         }
-        public override bool CaptureOnImage(string name,out HObject hoImage)
+        public override HObject CaptureOnImage(string name )
         {
-            hoImage = null;
+            HObject hoImage = null;
             int index = cameraName.FindIndex(s => s == name);
             if (index == -1)
             {
                 _errInfo = name + "Not find";
-                return false ;
+                return hoImage;
             }
             if (cameraCurr[index] != null)
             {
@@ -258,7 +258,7 @@ namespace CodeLibrary
                     if (!grabResult.IsValid || !grabResult.GrabSucceeded)
                     {
                         _errInfo = grabResult.ErrorDescription;
-                        return false ;
+                        return hoImage;
                     }
 
                     //相机像素数据
@@ -274,19 +274,19 @@ namespace CodeLibrary
                     if (hand.IsAllocated) hand.Free();
                      
                     _errInfo = "OK";
-                    return true ; 
+                    return hoImage; 
                 }
             }
             catch (Exception ex)
             {
                 _errInfo = ex.Message;
-                return false ;
+                return hoImage;
             }
             finally
             {
                 // cameraCurr[index].MV_CC_StopGrabbing_NET();
             }
-            return false ;
+            return hoImage;
         }
     }
 

CodeLibraryProject/CodeLibrary/camera/Common.cs

@@ -112,7 +112,7 @@ namespace CodeLibrary
         //     public abstract bool GrabContinuous(int index);
         //   public abstract void GrabStop(int index);
         public abstract Bitmap GrabOneImage(string name);
-        public abstract  bool  CaptureOnImage(string name,out HObject hoImage);
+        public abstract HObject CaptureOnImage(string name );
     } 
 
 }

CodeLibraryProject/CodeLibrary/camera/HIK.cs

@@ -342,15 +342,15 @@ namespace CodeLibrary
                 return _image;
             }
         }
-        public override bool  CaptureOnImage(string name,out HObject hoImage)
+        public override HObject CaptureOnImage(string name  )
         {
-            hoImage = null;
+            HObject hoImage   = null;
             int index = cameraName.FindIndex(s => s == name);
             if (index == -1)
             {
                 _errInfo = name + "Not find";
                 HDLogUtil.error("CaptureOnImage [" + name + "] error : " + _errInfo);
-                return false ;
+                return hoImage;
             }
             if (cameraCurr[index] != null)
             {
@@ -369,7 +369,7 @@ namespace CodeLibrary
                 {
                     _errInfo = "Can not grab one : " + rtn;
                     HDLogUtil.error("CaptureOnImage [" + name + "] error : " + _errInfo);
-                    return false ;
+                    return hoImage;
                 }
 
                 int nRet = cameraCurr[index].MV_CC_GetImageBuffer_NET(ref FrameInfo, 1000);
@@ -391,7 +391,7 @@ namespace CodeLibrary
                         }
                     }
                     //return ho_Imagetemp;
-                    return true;
+                    return hoImage;
                 }
                 else
                 {
@@ -401,7 +401,7 @@ namespace CodeLibrary
             catch (Exception ex)
             {
                 _errInfo = ex.Message;
-                return false ;
+                return hoImage;
             }
             finally
             {
@@ -415,7 +415,7 @@ namespace CodeLibrary
                     HDLogUtil.error(" [" + name + "] MV_CC_FreeImageBuffer_NET 出错：" + ex.ToString());
                 }
             }
-            return false ;
+            return hoImage;
         }
     }