public DISPLAYCLASS(DataGridView dataGridview)
{
view = dataGridview;
showFramedelegate = new ShowFrameDelegate(showFrame);
}
public void showFrame()
{
if (this.InvokeRequired)
{
try
{
ShowFrameDelegate SD = new ShowFrameDelegate(showFrame);
this.BeginInvoke(SD);
}
catch { }
}
else
{
if (ext == ".jpg")
{
Emgu.CV.Mat matBefore = CvInvoke.Imread(Text_FilePath.Text);
Emgu.CV.Mat matAfter = CvInvoke.Imread(SaveFileName);
if (matBefore != null && matAfter != null)
{
// bitmap是GDI+的物件，所以使用一般釋放記憶體的方式(dispose)對於bitmap是無效的
// 要能夠成功的釋放GDI+物件所佔用的記憶體，必須要使用Windows GDI元件，才能有效的釋放掉bitmap所使用的記憶體
// 將Bitmap物件轉換為平台指標
IntPtr gdibitmapBefore = matBefore.Bitmap.GetHbitmap();
IntPtr gdibitmapAfter = matAfter.Bitmap.GetHbitmap();
// 將bitmap放入至PictureBox的Image屬性
File_Before.Image = Image.FromHbitmap(gdibitmapBefore);
File_After.Image = Image.FromHbitmap(gdibitmapAfter);
// 進行Bitmap資源的釋放
DeleteObject(gdibitmapBefore);
DeleteObject(gdibitmapAfter);
}
if (matBefore != null)
{
matBefore.Dispose();
}
if (matAfter != null)
{
matAfter.Dispose();
}
GC.Collect();
}
else if (FrameCount == 0 || State == (int)PlayState.PlayState_Play)
{
Emgu.CV.Mat matBefore = objVideoCapture_Before.QueryFrame();
Emgu.CV.Mat matAfter = objVideoCapture_After.QueryFrame();
if (matBefore != null && matAfter != null)
{
FrameCount = objVideoCapture_Before.GetCaptureProperty(Emgu.CV.CvEnum.CapProp.PosFrames);
// bitmap是GDI+的物件，所以使用一般釋放記憶體的方式(dispose)對於bitmap是無效的
// 要能夠成功的釋放GDI+物件所佔用的記憶體，必須要使用Windows GDI元件，才能有效的釋放掉bitmap所使用的記憶體
// 將Bitmap物件轉換為平台指標
IntPtr gdibitmapBefore = matBefore.Bitmap.GetHbitmap();
IntPtr gdibitmapAfter = matAfter.Bitmap.GetHbitmap();
// 將bitmap放入至PictureBox的Image屬性
File_Before.Image = Image.FromHbitmap(gdibitmapBefore);
File_After.Image = Image.FromHbitmap(gdibitmapAfter);
// 進行Bitmap資源的釋放
DeleteObject(gdibitmapBefore);
DeleteObject(gdibitmapAfter);
}
if (matBefore != null)
{
matBefore.Dispose();
}
if (matAfter != null)
{
matAfter.Dispose();
}
GC.Collect();
}
}
}
