Exemple #1
0
        ////////////////////////////////////////////////////////////////////////////////
        // Update Image.
        //  *Get the current image from the device.
        //  *Create Bitamap data.
        //
        void UpdateImage(int cameraIndex)
        {
            CamApiStatus status;
            int          bufferIndex = 0;

            Bitmap          bmp        = null;
            BitmapData      bitmapData = null;
            CameraImageInfo imageInfo  = null;

            status = this.arrayCamDevice[cameraIndex].camStream.GetCurrentBufferIndex(out bufferIndex);
            if ((status != CamApiStatus.Success) || (bufferIndex == -1))
            {
                Console.WriteLine("bufferIndex");
                Console.WriteLine("imagenumber = {0}", imagenumber);
                Console.WriteLine("cameraIndex = {0}", cameraIndex);
                Console.WriteLine("status : {0}", status);
                Console.WriteLine("bufferIndex = {0}", bufferIndex);
                return;
            }

            status = this.arrayCamDevice[cameraIndex].camStream.LockBuffer(bufferIndex, ref imageInfo);
            if (status != CamApiStatus.Success)
            {
                Console.WriteLine("status");
                Console.WriteLine("imagenumber = {0}", imagenumber);
                Console.WriteLine("cameraIndex = {0}", cameraIndex);
                Console.WriteLine("status : {0}", status);
                return;
            }

            try
            {
                if (imageInfo.Status != CamApiStatus.Success)
                {
                    Console.WriteLine("imageInfo");
                    Console.WriteLine("imagenumber = {0}", imagenumber);
                    Console.WriteLine("cameraIndex = {0}", cameraIndex);
                    Console.WriteLine("imageInfo.Status ; {0}", imageInfo.Status);
                    Terminate();
                    //return;
                }

                // Create Bitmap data.
                unsafe
                {
                    if (imageInfo.PixelFormat == CameraPixelFormat.Mono8)
                    {
                        bmp = new Bitmap(imageInfo.SizeX, imageInfo.SizeY, System.Drawing.Imaging.PixelFormat.Format8bppIndexed);
                        // Set palette in bitmap
                        ColorPalette monoPalette = bmp.Palette;
                        for (int i = 0; i <= 255; i++)
                        {
                            monoPalette.Entries[i] = Color.FromArgb(i, i, i);
                        }
                        bmp.Palette = monoPalette;

                        bitmapData = bmp.LockBits(new Rectangle(0, 0, imageInfo.SizeX, imageInfo.SizeY), ImageLockMode.WriteOnly, PixelFormat.Format8bppIndexed);
                        CameraUtility.CopyMemoryT(bitmapData.Scan0, imageInfo.BufferPointer, (imageInfo.SizeX * imageInfo.SizeY));
                    }
                    else
                    {
                        bmp = new Bitmap(imageInfo.SizeX, imageInfo.SizeY, System.Drawing.Imaging.PixelFormat.Format24bppRgb);

                        bitmapData = bmp.LockBits(new Rectangle(0, 0, imageInfo.SizeX, imageInfo.SizeY), ImageLockMode.WriteOnly, PixelFormat.Format24bppRgb);
                        CameraUtility.ConvertImage(DstPixelFormat.BGR24, imageInfo.PixelFormat, true, bitmapData.Scan0, imageInfo.BufferPointer, imageInfo.SizeX, imageInfo.SizeY);
                    }

                    bmp.UnlockBits(bitmapData);
                }
            }
            finally
            {
                this.arrayCamDevice[cameraIndex].camStream.UnlockBuffer(bufferIndex);
            }

            //DispBitmap(cameraIndex, bmp);


            PrintBitmap(cameraIndex, bmp);



            //Console.WriteLine(flag[cameraIndex] );

            GC.Collect();
        }