private void ImageCallbackFunc(IntPtr pData, ref MyCamera.MV_FRAME_OUT_INFO_EX pFrameInfo, IntPtr pUser)
{
try
{
lock (this)
{
newBmp = new Bitmap(pFrameInfo.nWidth, pFrameInfo.nHeight, PixelFormat.Format8bppIndexed);
// Lock the bits of the bitmap.
BitmapData bmpData = newBmp.LockBits(new Rectangle(0, 0, newBmp.Width, newBmp.Height), ImageLockMode.ReadWrite, newBmp.PixelFormat);
IntPtr ptrBmp = bmpData.Scan0;
//palette
System.Drawing.Imaging.ColorPalette palette = newBmp.Palette;
for (int i = 0; i < 256; ++i)
{
palette.Entries[i] = Color.FromArgb(255, i, i, i);
}
newBmp.Palette = palette;
//convert to bytes data
newBytes = new byte[bmpData.Stride * newBmp.Height];
Marshal.Copy(pData, newBytes, 0, newBytes.Length);
//reverse y
if (this.reverseY)
{
newBytes = this.bytesReverseY(newBytes, bmpData.Stride, newBmp.Height);
}
//copy to ptr
Marshal.Copy(newBytes, 0, ptrBmp, newBytes.Length);
newBmp.UnlockBits(bmpData);
this.CurrentBytes = newBytes;
this.LastBmp = this.CurrentBmp;
this.CurrentBmp = newBmp;
}
BmpGrabedEvnet.Set();
this.TriggerSts.Update(true);
BitmapGrabbed?.Invoke(CurrentBmp, true);
BytesSaveBuffer?.Invoke(CurrentBytes);
// Reduce the number of displayed images to a reasonable amount
// if the camera is acquiring images very fast.
this.currDisplayedTime = DateTime.Now;
if (this.currDisplayedTime - this.lastDisplayedTime > TimeSpan.FromMilliseconds(70))
{
this.BitmapDisplayed?.Invoke(this.CurrentBmp);
this.lastDisplayedTime = this.currDisplayedTime;
// the LastBmp can be dispose after BitmapDisplayed invoke execute.
this.LastBmp.Dispose();
}
}
catch
{
BitmapGrabbed?.Invoke(null, false);
}
}
private void onIamgeGrabbed(object sender, Basler.Pylon.ImageGrabbedEventArgs e)
{
try
{
// Get the grab result.
IGrabResult grabResult = e.GrabResult;
if (!grabResult.GrabSucceeded)
{
BitmapGrabbed?.Invoke(null, false);
return;
}
// Check if the image can be displayed.
if (!grabResult.IsValid)
{
BitmapGrabbed?.Invoke(null, false);
return;
}
lock (this)
{
newBmp = new Bitmap(grabResult.Width, grabResult.Height, PixelFormat.Format8bppIndexed);
// Lock the bits of the bitmap.
BitmapData bmpData = newBmp.LockBits(new Rectangle(0, 0, newBmp.Width, newBmp.Height), ImageLockMode.ReadWrite, newBmp.PixelFormat);
// Place the pointer to the buffer of the bitmap.
converter.OutputPixelFormat = PixelType.Mono8;
IntPtr ptrBmp = bmpData.Scan0;
converter.Convert(ptrBmp, bmpData.Stride * newBmp.Height, grabResult);
//palette
System.Drawing.Imaging.ColorPalette palette = newBmp.Palette;
for (int i = 0; i < 256; ++i)
{
palette.Entries[i] = Color.FromArgb(255, i, i, i);
}
newBmp.Palette = palette;
//convert to bytes data
newBytes = new byte[bmpData.Stride * newBmp.Height];
Marshal.Copy(ptrBmp, newBytes, 0, newBytes.Length);
//reverse y
if (this.reverseY)
{
newBytes = this.bytesReverseY(newBytes, bmpData.Stride, newBmp.Height);
}
//copy to ptr
Marshal.Copy(newBytes, 0, ptrBmp, newBytes.Length);
newBmp.UnlockBits(bmpData);
this.CurrentBytes = this.newBytes;
this.LastBmp = this.CurrentBmp;
this.CurrentBmp = this.newBmp;
}
BmpGrabedEvnet.Set();
this.TriggerSts.Update(true);
BitmapGrabbed?.Invoke(CurrentBmp, true);
BytesSaveBuffer?.Invoke(CurrentBytes);
// Reduce the number of displayed images to a reasonable amount
// if the camera is acquiring images very fast.
this.currDisplayedTime = DateTime.Now;
if (this.currDisplayedTime - this.lastDisplayedTime > TimeSpan.FromMilliseconds(70))
{
this.BitmapDisplayed?.Invoke(this.CurrentBmp);
this.lastDisplayedTime = this.currDisplayedTime;
// the LastBmp can be dispose after BitmapDisplayed invoke execute.
this.LastBmp.Dispose();
}
}
catch (Exception)
{
BitmapGrabbed?.Invoke(null, false);
}
}
