void ThermalThreadProc()
{
while (!stopThread && thermal != null)
{
bool progress = false;
lastFrame = thermal.GetFrameBlocking();
if (lastFrame.IsCalibrationFrame)
{
lastCalibrationFrame = lastFrame;
}
else
{
if (lastCalibrationFrame != null && lastFrame.IsUsableFrame)
{
lastUsableFrame = lastFrame.ProcessFrame(lastCalibrationFrame);
progress = true;
}
}
//System.Diagnostics.Debug.Print("Start of data: " + string.Join(" ", lastFrame.RawData.Take(64).Select(b => b.ToString("x2")).ToArray()));
//System.Diagnostics.Debug.Print("End of data: " + string.Join(" ", lastFrame.RawData.Reverse().Take(32).Reverse().Select(b => b.ToString("x2")).ToArray()));
// Do stuff
frameCount++;
if (progress)
{
Invalidate();
}
}
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
CalibratedThermalFrame data = lastUsableFrame;
if (data == null)
{
return;
}
int y;
if (data != lastRenderedFrame)
{
lastRenderedFrame = data;
// Process new frame
Bitmap bmp = new Bitmap(data.Width, data.Height);
int c = 0;
for (y = 0; y < 156; y++)
{
for (int x = 0; x < 208; x++)
{
int v = data.PixelData[c++];
v = (v - data.MinValue) * 255 / (data.MaxValue - data.MinValue);
if (v < 0)
{
v = 0;
}
if (v > 255)
{
v = 255;
}
bmp.SetPixel(x, y, Color.FromArgb(v, v, v));
}
}
bmpQueue.Enqueue(bmp);
if (bmpQueue.Count > 5)
{
bmpQueue.Dequeue();
}
}
y = 10;
foreach (Bitmap b in bmpQueue.Reverse())
{
e.Graphics.DrawImage(b, 10, y);
y += b.Height + 10;
}
}
void ThermalThreadProc()
{
BinaryWriter tw;
DateTime currentFrameTime = DateTime.Now;
DateTime previousFrameTime = currentFrameTime;
DateTime currentTime = DateTime.Now;
DateTime previousTime = currentTime;
int framesToCapture = 100;
// Initialize frame (1 based)
frameCount = 1;
// Create the output files to save first 20 frames and associated metadata.
//bw = new BinaryWriter(new FileStream("data.dat", FileMode.Create));
tw = new BinaryWriter(new FileStream("data.txt", FileMode.Create));
while (!stopThread && thermal != null)
{
bool progress = false;
// Get frame
lastFrame = thermal.GetFrameBlocking();
// Keep the ID4 and ID1 frame
switch (lastFrame.StatusByte)
{
case 1: //shutter cal
frameID1 = lastFrame;
firstAfterCal = true;
break;
case 4: //first frame gain cal
frameID4 = lastFrame;
break;
default:
break;
}
// Time after frame capture
previousTime = currentTime;
currentTime = DateTime.Now;
// Save data and metadata for the first framesToCapture frames
if (frameCount <= framesToCapture)
{
tw.Write(Encoding.ASCII.GetBytes(String.Format("Frame {0} ID {1}\n", frameCount, lastFrame.RawDataU16[10])));
tw.Write(Encoding.ASCII.GetBytes(String.Format(lastFrame.AvgValue.ToString())));
tw.Write(Encoding.ASCII.GetBytes(String.Format("\n")));
if (frameCount == framesToCapture)
{
tw.Close();
}
}
switch (lastFrame.StatusByte)
{
case 4: //prvi frame za izračuna gaina
markBadPixels();
getGainCalibration();
//konec: prvi frame za izračuna gaina
break;
case 1: //shutter frame za izračun offseta
markBadPixels();
applyGainCalibration();
if (!usignExternalCal)
{
getOffsetCalibration();
}
lastCalibrationFrame = frameID1;
saveExternalFrames = false;
//konec: shutter frame
break;
case 3: //pravi slikovni frame
markZeroPixels();
applyGainCalibration();
if (m_get_extra_cal) //if this pixel should be used as reference
{
m_get_extra_cal = false;
usignExternalCal = true;
getOffsetCalibration();
saveExternalFrames = true;
}
applyOffsetCalibration();
fixBadPixels();
lastUsableFrame = lastFrame.ProcessFrameU16(lastReferenceFrame, frameID4);
progress = true;
//konec: pravi slikovni frame
break;
default:
break;
}
// Increase frame count.
frameCount++;
if (progress)
{
Invalidate();//ponovno izriši formo...
}
}
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
CalibratedThermalFrame data = lastUsableFrame;
if (data == null)
{
return;
}
int y;
if (data != lastRenderedFrame)
{
lastRenderedFrame = data;
// Process new frame
Bitmap bmp = new Bitmap((data.Width - 2), data.Height);
Bitmap bigImage = new Bitmap(412, 312);
int c = 0;
int v;
ushort maxValue, minValue;
// Display last sensor min/max values.
label2.Text = "Max: " + lastFrame.MaxValue;
label3.Text = "Min: " + lastFrame.MinValue;
// Display last calibration min/max values (internal or external)
if (lastReferenceFrame != null && lastReferenceFrame.IsUsableFrame)
{
// Update label for calibration button functionality.
label1.Text = "Push button to switch to default calibration";
button1.Text = "Calibraton: Use Internal";
label6.Text = "Max: " + lastReferenceFrame.MaxValue;
label7.Text = "Min: " + lastReferenceFrame.MinValue;
}
else
{
// Update label for calibration button functionality.
label1.Text = "Face camera down on an even heated surface";
button1.Text = "Calibraton: Use Frame";
label6.Text = "Max: " + lastCalibrationFrame.MaxValue;
label7.Text = "Min: " + lastCalibrationFrame.MinValue;
}
//button2.Text = "Automatic";
maxValue = (ushort)trackBar1.Value;
minValue = (ushort)trackBar2.Value;
// Display displayed data min/max value.
label9.Text = "Max: " + maxValue;
label10.Text = "Min: " + minValue;
for (y = 0; y < 156; y++)
{
for (int x = 0; x < 206; x++)
{
v = data.PixelData[y * 208 + x]; // + data.PixelData[y * 208 + 206] / 10; // no need to use column 207 since we already use frame id 4, max/min will be off if uncommented as well.
// Scale data to be within [0-255] for LUT mapping.
ushort maxmin = maxValue;
maxmin -= minValue;
// Avoid divide by 0
if (maxmin == 0)
{
maxmin = 1;
}
v = (v - minValue) * 999 / maxmin;
if (v < 0)
{
v = 0;
}
if (v > 999)
{
v = 999;
}
// Greyscale output (would always be limited to 256 colors)
bmp.SetPixel(x, y, paletteImg.GetPixel(v, 0));
}
}
using (Graphics gr = Graphics.FromImage(bigImage))
{
gr.SmoothingMode = SmoothingMode.HighQuality;
gr.InterpolationMode = InterpolationMode.HighQualityBicubic;
gr.PixelOffsetMode = PixelOffsetMode.HighQuality;
gr.DrawImage(bmp, new Rectangle(0, 0, 412, 312));
}
//bigImage = new Bitmap(bmp, new Size(412, 312));
// Queue Image for display
bmpQueue.Enqueue(bigImage);
if (bmpQueue.Count > 1)
{
bmpQueue.Dequeue();
}
if (autoSaveImg)
{
//if folder does not exists create it:
DirectoryInfo di = Directory.CreateDirectory(localPath + "export");
//usignExternalCal mora bit true,
if (saveExternalFrames && usignExternalCal)
{
string sDate = DateTime.Now.ToString("yyyyMMddhhmmssfff");
bmp.Save(localPath + @"export\img_" + sDate + ".png");
}
else if (firstAfterCal)
{
string sDate = DateTime.Now.ToString("yyyyMMddhhmmss");
Random rnd = new Random();
bmp.Save(localPath + @"export\shutter_" + sDate + "_" + rnd.Next(100).ToString() + ".png");
firstAfterCal = false;
}
}
}
y = 10;
foreach (Bitmap b in bmpQueue.Reverse())
{
e.Graphics.DrawImage(b, 10, y);
y += b.Height + 10;
}
}
void drawThermalFrame()
{
CalibratedThermalFrame data = lastUsableFrame;
if (data == null)
{
return;
}
int y;
if (data != lastRenderedFrame)
{
lastRenderedFrame = data;
// Process new frame
if (bmp == null)
{
bmp = new Bitmap((data.Width - 2), data.Height);
bigImage = new Bitmap(412, 312);
bmGr = Graphics.FromImage(bmp);
gr = Graphics.FromImage(bigImage);
}
bmGr.FillRectangle(Brushes.White, 0, 0, bmp.Width, bmp.Height);
int c = 0;
int v;
//button2.Text = "Automatic";
if (!checkBox4.Checked)
{
maxValue = (ushort)trackBar1.Value;
minValue = (ushort)trackBar2.Value;
}
int high_x = -1;
int high_y = -1;
int high_v = 0;
int low_x = -1;
int low_y = -1;
int low_v = 12000;
//draw the image pixel by pixel
for (y = 1; y < 154; y++)
{
for (int x = 0; x < 206; x++)
{
v = data.PixelData[y * 208 + x]; // + data.PixelData[y * 208 + 206] / 10; // no need to use column 207 since we already use frame id 4, max/min will be off if uncommented as well.
//Console.WriteLine(x + " : " + y + " : " + v);
if (v > high_v)
{
high_v = v;
high_x = x;
high_y = y;
}
if (v < low_v)
{
low_v = v;
low_x = x;
low_y = y;
}
// Scale data to be within [0-255] for LUT mapping.
ushort maxmin = maxValue;
maxmin -= minValue;
// Avoid divide by 0
if (maxmin == 0)
{
maxmin = 1;
}
v = (v - minValue) * 999 / maxmin;
if (v < 0)
{
v = 0;
}
if (v > 999)
{
v = 999;
}
// Greyscale output (would always be limited to 256 colors)
bmp.SetPixel(x, y, paletteImg.GetPixel(v, paletteIndex));
}
}
if (checkBox4.Checked)
{
maxValue = (ushort)((ushort)high_v + numericUpDown1.Value);
minValue = (ushort)((ushort)low_v - numericUpDown1.Value);
trackBar1.Value = high_v;
trackBar2.Value = low_v;
}
if (high_x != -1 && checkBox2.Checked)
{
bmGr.DrawLine(Pens.Red, new Point(high_x, high_y + 5), new Point(high_x, high_y - 5));
bmGr.DrawLine(Pens.Red, new Point(high_x + 5, high_y), new Point(high_x - 5, high_y));
}
if (low_x != -1 && checkBox3.Checked)
{
Console.WriteLine(low_x + ":" + low_y);
bmGr.DrawLine(Pens.Blue, new Point(low_x, low_y + 5), new Point(low_x, low_y - 5));
bmGr.DrawLine(Pens.Blue, new Point(low_x + 5, low_y), new Point(low_x - 5, low_y));
}
gr.SmoothingMode = SmoothingMode.HighQuality;
gr.InterpolationMode = InterpolationMode.HighQualityBilinear;
gr.PixelOffsetMode = PixelOffsetMode.HighQuality;
gr.DrawImage(bmp, new Rectangle(0, 0, 412, 312));
//bigImage = new Bitmap(bmp, new Size(412, 312));
// Queue Image for display
bmpQueue.Enqueue(bigImage);
if (bmpQueue.Count > 1)
{
bmpQueue.Dequeue();
}
frame++;
if (checkBox1.Checked)
{
long time = (Int32)(DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1))).TotalSeconds;
if (!Directory.Exists(Application.StartupPath + "/VIDEO"))
{
Directory.CreateDirectory(Application.StartupPath + "/VIDEO");
}
if (!File.Exists(Application.StartupPath + "/VIDEO/render.bat"))
{
string bScript = @"@echo off
set rndName=%random%%random%
set path={0}
c:\ffmpeg -framerate 8 -i THERMAL_%%d.png %path%\video_%rndName%.mp4
echo %path%\video_%rndName%.mp4
start %path%\video_%rndName%.mp4
pause";
bScript = string.Format(bScript, Environment.GetFolderPath(Environment.SpecialFolder.MyVideos));
File.WriteAllText((Application.StartupPath + "/VIDEO/render.bat"), bScript);
}
string path = Application.StartupPath + "/VIDEO/THERMAL_" + frame.ToString() + ".png";
pictureBox2.Image.Save(path);
}
}
y = 10;
foreach (Bitmap b in bmpQueue.Reverse())
{
//b.RotateFlip(RotateFlipType.Rotate90FlipNone);
tmp = (Bitmap)b.Clone();
tmp.RotateFlip((RotateFlipType)Math.Floor((decimal)(comboBox1.SelectedIndex)));
pictureBox2.Image = tmp;
//os.pictureBox1.Image = tmp;
y += b.Height + 10;
}
}
