Example #1
0
        /// <summary>
        /// Takes a converted input buffer and copy it into the output buffer.
        /// </summary>
        private unsafe void CopyFrame(BGAPI2.Image image, int length)
        {
            // At this point the image is either in Mono8, Bayer**8 or BGR8.
            fixed(byte *p = frameBuffer)
            {
                IntPtr ptrDst = (IntPtr)p;

                NativeMethods.memcpy(ptrDst.ToPointer(), image.Buffer.ToPointer(), length);
            }
        }
Example #2
0
        //private void imageProvider_GrabbingStartedEvent()
        //{
        //    grabbing = true;

        //    if (GrabbingStatusChanged != null)
        //        GrabbingStatusChanged(this, EventArgs.Empty);
        //}

        private void BaumerProvider_BufferProduced(object sender, BufferEventArgs e)
        {
            BGAPI2.Buffer buffer = e.Buffer;
            if (buffer == null || buffer.IsIncomplete || buffer.MemPtr == IntPtr.Zero)
            {
                return;
            }

            int payloadLength = (int)buffer.SizeFilled;

            // Wrap the buffer in an image, convert if needed.
            BGAPI2.Image image = imgProcessor.CreateImage((uint)buffer.Width, (uint)buffer.Height, buffer.PixelFormat, buffer.MemPtr, buffer.MemSize);
            bool         ready = imageFormat == ImageFormat.JPEG || (imageFormat == ImageFormat.Y800 && BaumerHelper.IsY800(image.PixelFormat));

            if (!ready)
            {
                // Color conversion is required.
                BGAPI2.Image transformedImage = GetTransformedImage(image);
                image.Release();
                image = transformedImage;

                int bpp = BaumerHelper.IsY800(image.PixelFormat) ? 1 : 3;
                payloadLength = (int)(image.Width * image.Height * bpp);
            }

            CopyFrame(image, payloadLength);
            image.Release();

            if (imageFormat != ImageFormat.JPEG && finishline.Enabled)
            {
                bool flush = finishline.Consolidate(frameBuffer);
                if (flush)
                {
                    ComputeDataRate(finishline.BufferOutput.Length);

                    if (FrameProduced != null)
                    {
                        FrameProduced(this, new FrameProducedEventArgs(finishline.BufferOutput, finishline.BufferOutput.Length));
                    }
                }
            }
            else
            {
                ComputeDataRate(payloadLength);

                if (FrameProduced != null)
                {
                    FrameProduced(this, new FrameProducedEventArgs(frameBuffer, payloadLength));
                }
            }
        }
Example #3
0
        /// <summary>
        /// Takes a raw buffer and copy it into an existing RGB24 Bitmap.
        /// </summary>
        public unsafe bool FillRGB24(BGAPI2.Buffer buffer, Bitmap outputImage)
        {
            if (buffer == null || buffer.IsIncomplete || buffer.MemPtr == IntPtr.Zero)
            {
                return(false);
            }

            if (buffer.Width != (ulong)outputImage.Width || buffer.Height != (ulong)outputImage.Height)
            {
                return(false);
            }

            bool filled = false;

            // If the input image is a bayer pattern it will be debayered by default by the image processor.
            // If it's Mono it will be converted to RGB by the image processor.
            // The input image cannot be JPEG because we temporarily switch off that option before acquisition.
            BGAPI2.ImageProcessor imgProcessor     = new BGAPI2.ImageProcessor();
            BGAPI2.Image          img              = imgProcessor.CreateImage((uint)buffer.Width, (uint)buffer.Height, buffer.PixelFormat, buffer.MemPtr, buffer.SizeFilled);
            BGAPI2.Image          transformedImage = imgProcessor.CreateTransformedImage(img, "BGR8");
            img.Release();
            img = transformedImage;

            // Push the transformed image into the passed output bitmap.
            Rectangle  rect    = new Rectangle(0, 0, outputImage.Width, outputImage.Height);
            BitmapData bmpData = null;

            try
            {
                bmpData = outputImage.LockBits(rect, ImageLockMode.WriteOnly, outputImage.PixelFormat);
                IntPtr[] ptrBmp = new IntPtr[] { bmpData.Scan0 };
                NativeMethods.memcpy(bmpData.Scan0.ToPointer(), img.Buffer.ToPointer(), rect.Width * rect.Height * 3);
                filled = true;
            }
            catch (Exception e)
            {
                log.ErrorFormat("Error while copying bitmap. {0}", e.Message);
            }
            finally
            {
                if (bmpData != null)
                {
                    outputImage.UnlockBits(bmpData);
                }
            }

            img.Release();

            return(filled);
        }
Example #4
0
        private BGAPI2.Image GetTransformedImage(BGAPI2.Image image)
        {
            BGAPI2.Image transformedImage = null;
            if (!demosaicing && image.PixelFormat.StartsWith("Bayer"))
            {
                // HDR Bayer. Convert to 8-bit while retaining the format.
                // Transformation from a bayer pattern to another is not supported by the API.
                if (image.PixelFormat.StartsWith("BayerBG"))
                {
                    transformedImage = imgProcessor.CreateTransformedImage(image, "BayerBG8");
                }
                else if (image.PixelFormat.StartsWith("BayerGB"))
                {
                    transformedImage = imgProcessor.CreateTransformedImage(image, "BayerGB8");
                }
                else if (image.PixelFormat.StartsWith("BayerGR"))
                {
                    transformedImage = imgProcessor.CreateTransformedImage(image, "BayerGR8");
                }
                else
                {
                    transformedImage = imgProcessor.CreateTransformedImage(image, "BayerRG8");
                }
            }
            else
            {
                // HDR Mono and all other cases (RGB & YUV).
                if (image.PixelFormat.StartsWith("Mono"))
                {
                    transformedImage = imgProcessor.CreateTransformedImage(image, "Mono8");
                }
                else
                {
                    transformedImage = imgProcessor.CreateTransformedImage(image, "BGR8");
                }
            }

            return(transformedImage);
        }
Example #5
0
        public void mDataStream_NewBufferEvent(object sender, BGAPI2.Events.NewBufferEventArgs mDSEvent)
        {
            try
            {
                Stopwatch sw = new Stopwatch();
                sw.Restart();

                BGAPI2.Buffer mBufferFilled = null;

                mBufferFilled = mDSEvent.BufferObj;

                if (mBufferFilled == null)
                {
                }

                else if (mBufferFilled.IsIncomplete == true)
                {
                    mBufferFilled.QueueBuffer();
                }

                else
                {
                    int width  = (int)mBufferFilled.Width;
                    int height = (int)mBufferFilled.Height;
                    m_nImageWidth  = width;
                    m_nImageHeight = height;
                    m_sPixelFormat = mBufferFilled.PixelFormat;

                    if (mBufferFilled.PixelFormat == "Mono8")
                    {
                        ulong size = mBufferFilled.SizeFilled;

                        IntPtr pBuffer = mBufferFilled.MemPtr;

                        m_pImgData = new byte[width * height];
                        Marshal.Copy(pBuffer, m_pImgData, 0, width * height);
                    }

                    else //color
                    {
                        ulong        size   = mBufferFilled.SizeFilled;
                        BGAPI2.Image mImage = imgProcessor.CreateImage((uint)mBufferFilled.Width, (uint)mBufferFilled.Height, (string)mBufferFilled.PixelFormat, mBufferFilled.MemPtr, (ulong)mBufferFilled.MemSize);

                        //  BGAPI2.Image mImageTransfer = mImage.TransformImage("BGR8");
                        BGAPI2.Image mTransformImage = imgProcessor.CreateTransformedImage(mImage, "BGR8");
                        try
                        {
                            m_pImgData = new byte[(uint)((uint)mImage.Width * (uint)mImage.Height * 3.0)];
                            Marshal.Copy(mTransformImage.Buffer, m_pImgData, 0, (int)((int)mImage.Width * (int)mImage.Height * 3.0));
                        }
                        catch (Exception)
                        {
                            GrabComplete.Set();
                            MessageBox.Show("拍照处理异常");
                        }

                        if (mImage != null)
                        {
                            mImage.Release();
                            mTransformImage.Release();
                        }
                    }
                    string mode = mDevice.RemoteNodeList["TriggerSource"].Value;

                    if (mode == "Line0")
                    {
                        HTRGNum++;
                    }
                    OnRan(m_pImgData, width, height, m_sPixelFormat);
                    GrabComplete.Set();

                    mBufferFilled.QueueBuffer();
                    sw.Stop();
                    AcqTime = sw.ElapsedMilliseconds;
                    //MessageBox.Show(AcqTime.ToString());
                }
            }

            catch (BGAPI2.Exceptions.IException ex)
            {
                GrabComplete.Set();
                string str;
                str = string.Format("ExceptionType:{0}! ErrorDescription:{1} in function:{2}", ex.GetType(), ex.GetErrorDescription(), ex.GetFunctionName());
                MessageBox.Show("002" + str);
            }
        }