//Loop cature the screen
private static async Task ModeScreenCapture(int InitByteSize, byte[] SerialBytes)
{
try
{
//Loop mode variables
bool ConnectionFailed = false;
//Initialize Screen Capturer
if (!await InitializeScreenCapture(200))
{
Debug.WriteLine("Failed to initialize the screen capturer.");
ShowFailedCaptureMessage();
return;
}
//Update led status icons
UpdateLedStatusIcons(true);
//Start updating the leds
while (!vTask_UpdateLed.TaskStopRequest)
{
int CurrentSerialByte = InitByteSize;
IntPtr BitmapIntPtr = IntPtr.Zero;
Bitmap BitmapImage = null;
try
{
//Capture screenshot
try
{
BitmapIntPtr = AppImport.CaptureScreenshot();
}
catch { }
//Check screenshot
if (BitmapIntPtr == IntPtr.Zero)
{
Debug.WriteLine("Screenshot is corrupted, restarting capture.");
await InitializeScreenCapture(200);
continue;
}
//Set capture range
if (vScreenOutputHeight < vScreenOutputWidth)
{
vCaptureRange = (setLedCaptureRange * vScreenOutputHeight) / 100 / 2;
}
else
{
vCaptureRange = (setLedCaptureRange * vScreenOutputWidth) / 100 / 2;
}
//Debug.WriteLine("Screen width: " + vScreenWidth + " / Screen height: " + vScreenHeight + " / Capture range: " + vCaptureZoneRange + " / Resize: " + resizeScreenshot);
unsafe
{
byte *BitmapData = (byte *)BitmapIntPtr;
//Adjust the black bars margin
if (setAdjustBlackBars)
{
if (setAdjustBlackbarRate == 0 || (Environment.TickCount - vMarginBlackLastUpdate) > setAdjustBlackbarRate)
{
//Set blackbar range
vBlackBarStepVertical = (setAdjustBlackbarRange * vScreenOutputHeight) / 100;
vBlackBarRangeVertical = vScreenOutputWidth - vMarginMinimumOffset;
vBlackBarStepHorizontal = (setAdjustBlackbarRange * vScreenOutputWidth) / 100;
vBlackBarRangeHorizontal = vScreenOutputHeight - vMarginMinimumOffset;
AdjustBlackBars(setLedSideFirst, BitmapData);
AdjustBlackBars(setLedSideSecond, BitmapData);
AdjustBlackBars(setLedSideThird, BitmapData);
AdjustBlackBars(setLedSideFourth, BitmapData);
vMarginBlackLastUpdate = Environment.TickCount;
}
}
//Check led capture sides color
ScreenColors(setLedSideFirst, setLedCountFirst, SerialBytes, BitmapData, ref CurrentSerialByte);
ScreenColors(setLedSideSecond, setLedCountSecond, SerialBytes, BitmapData, ref CurrentSerialByte);
ScreenColors(setLedSideThird, setLedCountThird, SerialBytes, BitmapData, ref CurrentSerialByte);
ScreenColors(setLedSideFourth, setLedCountFourth, SerialBytes, BitmapData, ref CurrentSerialByte);
//Check if debug mode is enabled
if (setDebugMode)
{
//Convert IntPtr to bitmap image
BitmapImage = BitmapConvertData(BitmapData, vScreenOutputWidth, vScreenOutputHeight, vScreenOutputSize, false);
//Debug update screen capture preview
ActionDispatcherInvoke(delegate
{
try
{
App.vFormSettings.image_DebugPreview.Source = BitmapToBitmapImage(BitmapImage);
}
catch { }
});
//Debug save screen capture as image
if (setDebugSave)
{
BitmapSaveScreenCapture(BitmapImage);
}
}
}
//Smooth led frame transition
if (setLedSmoothing > 0)
{
//Merge current bytes with history
for (int ledCount = InitByteSize; ledCount < (SerialBytes.Length - InitByteSize); ledCount++)
{
//Debug.WriteLine("Led smoothing old: " + SerialBytes[ledCount]);
if (vCaptureByteHistory1 != null && setLedSmoothing >= 1)
{
SerialBytes[ledCount] = Convert.ToByte((vCaptureByteHistory1[ledCount] + SerialBytes[ledCount]) / 2);
}
if (vCaptureByteHistory2 != null && setLedSmoothing >= 2)
{
SerialBytes[ledCount] = Convert.ToByte((vCaptureByteHistory2[ledCount] + SerialBytes[ledCount]) / 2);
}
if (vCaptureByteHistory3 != null && setLedSmoothing >= 3)
{
SerialBytes[ledCount] = Convert.ToByte((vCaptureByteHistory3[ledCount] + SerialBytes[ledCount]) / 2);
}
//Debug.WriteLine("Led smoothing new: " + SerialBytes[ledCount]);
}
//Update capture bytes history
vCaptureByteHistory3 = vCaptureByteHistory2;
vCaptureByteHistory2 = vCaptureByteHistory1;
vCaptureByteHistory1 = CloneByteArray(SerialBytes);
}
//Rotate the leds as calibrated
if (setLedRotate > 0)
{
for (int RotateCount = 0; RotateCount < setLedRotate; RotateCount++)
{
AVFunctions.MoveByteInArrayLeft(SerialBytes, 3, SerialBytes.Length - 1);
AVFunctions.MoveByteInArrayLeft(SerialBytes, 3, SerialBytes.Length - 1);
AVFunctions.MoveByteInArrayLeft(SerialBytes, 3, SerialBytes.Length - 1);
}
}
else if (setLedRotate < 0)
{
int LedRotateAbs = Math.Abs(setLedRotate);
for (int RotateCount = 0; RotateCount < LedRotateAbs; RotateCount++)
{
AVFunctions.MoveByteInArrayRight(SerialBytes, SerialBytes.Length - 1, 3);
AVFunctions.MoveByteInArrayRight(SerialBytes, SerialBytes.Length - 1, 3);
AVFunctions.MoveByteInArrayRight(SerialBytes, SerialBytes.Length - 1, 3);
}
}
//Send the serial bytes to device
if (!SerialComPortWrite(SerialBytes))
{
ConnectionFailed = true;
break;
}
//Delay the loop task
await TaskDelayLoop(setUpdateRate, vTask_UpdateLed);
}
catch (Exception ex)
{
Debug.WriteLine("Screen capture loop failed: " + ex.Message);
}
finally
{
//Clear screen capture resources
if (BitmapIntPtr != IntPtr.Zero)
{
CaptureFreeMemory(BitmapIntPtr);
}
if (BitmapImage != null)
{
BitmapImage.Dispose();
}
}
}
//Show failed connection message
if (ConnectionFailed)
{
ShowFailedConnectionMessage();
}
}
catch (Exception ex)
{
Debug.WriteLine("Screen capture task failed: " + ex.Message);
}
finally
{
ResetScreenCapture();
}
}