/// <summary>
/// Save captured LMFrame data to .txt file
/// </summary>
/// <param name="lmFrame">Captured LMFrame</param>
void saveJSONData(LMFrame lmFrame)
{
string jsonStr = lmFrame.toJSON().ToString();
Debug.WriteLine(jsonStr);
// save .txt and .zip file
saveFile(jsonStr, choosedSign);
}
void showFrameInUIByFrame(Frame frame)
{
string leapDesc = LMFrame.DebugStringFromFrame(frame);
if (this.txbDebugConsole.InvokeRequired)
{
txbDebugConsole.Invoke(new dlgUpdateFrameInfo(updateFrameInfo), new object[] { leapDesc });
}
else
{
updateFrameInfo(leapDesc);
}
pictureBox1.Image = Helper.ImageHelper.generateBitmapFromLeapImage(frame.Images[0]);
pictureBox2.Image = Helper.ImageHelper.generateBitmapFromLeapImage(frame.Images[1]);
}
/// <summary>
/// Update UI with LMFrame data
/// </summary>
/// <param name="lmFrame">Selected LMFrame</param>
void showFrameInUI(LMFrame lmFrame)
{
currentFrame = lmFrame;
string leapDesc = "";
if (this.txbDebugConsole.InvokeRequired)
{
txbDebugConsole.Invoke(new dlgUpdateFrameInfo(updateFrameInfo), new object[] { leapDesc });
}
else
{
updateFrameInfo(leapDesc);
}
LeapGenImageThenShow(lmFrame);
}
/// <summary>
/// Load saved gesture data and show it's information in UI.
/// </summary>
/// <param name="fileName">Gesture data file path</param>
void loadCaptureData(string fileName)
{
string captureFolder = FileHelper.captureDataFolderPath(choosedSign);
string filePath = captureFolder + "\\" + fileName;
if (fileName.Contains(".zip"))
{
filePath = Helper.FileHelper.txtFilePathFromUnzip(filePath);
}
string text = System.IO.File.ReadAllText(filePath);
JObject jObj = JObject.Parse(text);
LMFrame frame = new LMFrame(jObj);
currentFrame = frame;
showFrameInUI(frame);
}
private async Task <int> LeapGenImageThenShow(LMFrame frame)
{
return(await Task <int> .Run(() =>
{
if (isGenerateImage)
{
return 0;
}
isGenerateImage = true;
Debug.WriteLine("Processing Image");
pictureBox1.Image = frame.LeftCamImg;
pictureBox2.Image = frame.RightCamImg;
isGenerateImage = false;
return 0;
}));
}
private void treeViewMouseDoubleClick(object sender, MouseEventArgs e)
{
//
// Get the selected node.
//
TreeNode node = trvTestData.SelectedNode;
//
// Render message box.
//
string nodeStr = node.Text;
string testFolderPath = FileHelper.testDataFolderPath();
string filePath = testFolderPath + "\\" + nodeStr;
string frameStr = File.ReadAllText(filePath);
JObject jFrameObj = JObject.Parse(frameStr);
LMFrame aFrame = new LMFrame(jFrameObj);
JObject angleObj = mTrain.angleJSONObjectFromLMFrame(aFrame);
StringBuilder debugTxt = new StringBuilder();
debugTxt.AppendLine(aFrame.DebugString());
debugTxt.AppendLine("-------------------------------");
debugTxt.AppendLine(angleObj.ToString());
txbDebugConsole.Text = debugTxt.ToString();
pictureBox1.Image = aFrame.LeftCamImg;
pictureBox2.Image = aFrame.RightCamImg;
string signName = mTrain.SignNameFromLMFrame(aFrame);
txbTrainResult.Text = signName;
}
// get_frame_from_leap_motion_device
void newFrameHandler(Frame frame)
{
if (mStatus == TestStatus.Training)
{
return;
}
if (mStatus == TestStatus.Testing)
{
long currentMillis = Helper.TimeHelper.currentTime();
// capture only 1 frame for 1 humnan sign
if (currentMillis - lastMillisecond > delayMillisecondToRecord)
{
Debug.WriteLine("Show image");
lastMillisecond = currentMillis;
showFrameInUIByFrame(frame);
}
}
if (mStatus == TestStatus.Capturing)
{
if (isCapture)
{
return;
}
isCapture = true;
LMFrame lmFrame = new LMFrame(frame, "0");
LMFrame testFrame = new LMFrame(JObject.Parse(lmFrame.toJSON().ToString()));
currentFrame = testFrame;
JObject angleObj = mTrain.angleJSONObjectFromLMFrame(testFrame);
StringBuilder debugTxt = new StringBuilder();
debugTxt.AppendLine(testFrame.DebugString());
debugTxt.AppendLine("-------------------------------");
debugTxt.AppendLine(angleObj.ToString());
txbDebugConsole.Text = debugTxt.ToString();
string signName = mTrain.SignNameFromLMFrameByListData(testFrame);
txbTrainResult.Text = signName;
string folderPath = FileHelper.testDataFolderPath();
string fileName = captureDataFileNameGetNext(folderPath);
string txtFilePath = folderPath + "\\" + fileName + ".txt";
Debug.WriteLine("Begin save");
// pass in true to cause writes to be appended
StreamWriter sw = new StreamWriter(txtFilePath, true);
// use writeline so we get a newline character written
sw.WriteLine(lmFrame.toJSON().ToString());
// Ensure data is written to disk
sw.Close();
ReloadListTestData();
}
}
/// <summary>
/// Leap Motion frame handling
/// </summary>
/// <param name="frame">A frame get from leap motion</param>
void newFrameHandler(Frame frame)
{
long currentMillis = Helper.TimeHelper.currentTime();
// capture only 1 frame for 1 humnan sign
if (mCaptureStatus == CaptureStatus.PreAutoCapture)
{
if (currentMillis - lastMillisecond > delayMillisecondToRecord)
{
Debug.WriteLine("Show image");
lastMillisecond = currentMillis;
showFrameInUIByFrame(frame);
}
return;
}
if (mCaptureStatus == CaptureStatus.PreCapture)
{
// auto capture each time. status change to capture
long autoCaptureCountdown = currentMillis - lastAutocaptureTime;
if (autoCaptureCountdown > autoCaptureTimeOut)
{
lastAutocaptureTime = currentMillis;
mCaptureStatus = CaptureStatus.Capture;
lbCaptureText.Text = "Capturing ....";
}
else
{
lbCaptureText.Text = "Capture in " + autoCaptureCountdown + " milliseconds";
if (currentMillis - lastMillisecond > delayMillisecondToRecord)
{
Debug.WriteLine("Show image");
lastMillisecond = currentMillis;
showFrameInUIByFrame(frame);
}
return;
}
}
if (mCaptureStatus != CaptureStatus.Capture)
{
return;
}
mCaptureStatus = CaptureStatus.FinishCapture;
// Leap Motion Frame will be convert to LMFrame
LMFrame lmFrame;
try
{
lmFrame = new LMFrame(frame, choosedSign);
}
catch (Exception e)
{
FileHelper.saveDebugString("LMFrame create : " + "frame data: " + frame.ToString() + "\\n" + e.Data.ToString());
return;
}
if (lmFrame.LeftCamImg == null)
{
return;
}
// Save test data
currentLeapMotionFrame = frame;
showFrameInUI(lmFrame);
saveJSONData(lmFrame);
if (autoCaptureCount + 2 > autoCaptureFileCount)
{
lbCaptureText.Text = "Auto capture finished.";
mCaptureStatus = CaptureStatus.PreviewSign;
reloadListHumanSign();
updateUIByCaptureStatus();
}
else
{
autoCaptureCount++;
}
}