void CaptureClick()
{
try
{
if (IsAutoModeCamera)
{
TimerCamaraCapture.Stop();
}
else if (buttonFlash.Enabled)
{
buttonFlash.Enabled = false;
buttonFlash.Visible = false;
}
// 一個image不能同時被兩個PictureBox使用。切換的時候，先把先前使用的PictureBox.Image = null
pictureBoxPreview.Image = null; // pictureBoxPreview.Image.Dispose();
pictureBoxPreview2.Image = null; // pictureBoxPreview2.Image.Dispose();
if (mHotTabCamera == null)
{
checkTestStatus("HotTab Camera is NULL!");
return;
}
IntPtr mIntPtr = IntPtr.Zero;
Cursor.Current = Cursors.WaitCursor;
// Release any previous buffer
if (mIntPtr != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(mIntPtr);
mIntPtr = IntPtr.Zero;
}
// 亂數產生Snapshot所要使用的初始PictureBox應該要是哪一個
SwitchSnapshotPreview = RandomGenerator.Next(MinValue, MaxValue);
// Capture Image
mIntPtr = mHotTabCamera.Click();
// Stride : 指定一條掃描線 (Scan Line) 的開頭和下一條之間的位元組位移 (Offset). 這通常是像素格式的位元組數目 (例如, 16 位元/像素為 2) 乘以點陣圖寬度. 必須是四的倍數
Bitmap CapturePreview = new Bitmap(mHotTabCamera.Width, mHotTabCamera.Height, mHotTabCamera.Stride, PixelFormat.Format24bppRgb, mIntPtr);
// If the image is upsidedown
CapturePreview.RotateFlip(RotateFlipType.RotateNoneFlipY);
// Snapshot截圖會亂數顯示在兩個Preview的PictureBox之間
if (SwitchSnapshotPreview % 2 == 0)
{
pictureBoxPreview.Image = CapturePreview;
Clipboard.SetDataObject(pictureBoxPreview.Image);
}
else
{
pictureBoxPreview2.Image = CapturePreview;
Clipboard.SetDataObject(pictureBoxPreview2.Image);
}
Clipboard.GetImage().Save("Preview.bmp", ImageFormat.Bmp);
if (IsAutoModeCamera)
{
buttonPASS.Enabled = false;
buttonFAIL.Enabled = false;
CaptureDecodeData = CaptureDecoder.decode(CapturePreview);
if (IsDebugMode)
{
Trace.WriteLine("ConfirmTagContextBarcode : " + ConfirmTagContextBarcode);
Trace.WriteLine("Capture Barcode Decode : " + CaptureDecodeData);
}
if (buttonFlash.Text.Equals("ON") && (CaptureDecodeData.Contains(ConfirmTagContextBarcode.Substring(0, ConfirmTagContextBarcode.Length - 3))))
{
checkTestStatus("Capture can be decoded in FLASH ON!");
}
else if (buttonFlash.Text.Equals("ON"))
{
TimerCamaraCapture.Start();
}
else if (CaptureDecodeData.Contains(ConfirmTagContextBarcode.Substring(0, ConfirmTagContextBarcode.Length - 3)))
{
TestNextCamera();
}
else
{
checkTestStatus("Capture Barcode Decode FAIL!");
}
}
Cursor.Current = Cursors.Default;
// Release any previous buffer
if (mIntPtr != IntPtr.Zero)
{
Marshal.FreeCoTaskMem(mIntPtr);
mIntPtr = IntPtr.Zero;
}
// 手動測項防呆機制(不讓產線沒有測試就直接按PASS/FAIL)
buttonPreviewTop.Enabled = true;
buttonPreviewBottom.Enabled = true;
}
catch (Exception ex)
{
Trace.WriteLine(ex.ToString());
ExceptionEvent(ex);
}
}
