public void Connect()
{
// 建立一個站存區儲存來自StApiRaw檔案的影像資料
imageBuffer = CStApiDotNet.CreateStImageBuffer();
// 建立一個靜止影像的物件來處理靜止影像
stillImageFiler = new CStStillImageFiler();
stImage = null;
image = null;
bmp = null;
FileName = "";
}
static void Main(string[] args)
{
try
{
using (CStApiAutoInit api = new CStApiAutoInit())
using (CStSystem system = new CStSystem(eStSystemVendor.Sentech))
using (CStDevice device = system.CreateFirstStDevice())
using (CStImageDisplayWnd wnd = new CStImageDisplayWnd())
using (CStDataStream dataStream = device.CreateStDataStream(0))
{
Console.WriteLine("Device=" + device.GetIStDeviceInfo().DisplayName);
// ==============================================================================================================
// Demostration of using Filter to rotate image clock wise 90 degree.
// Create an ReverseConverter filter object.
CStReverseConverter filter = new CStReverseConverter();
// Set ReverseConverter reverse to clock wise 90 degree.
filter.RotationMode = eStRotationMode.Clockwise90;
// ==============================================================================================================
dataStream.StartAcquisition(nCountOfImagesToGrab);
device.AcquisitionStart();
while (dataStream.IsGrabbing)
{
using (CStStreamBuffer streamBuffer = dataStream.RetrieveBuffer(5000))
{
if (streamBuffer.GetIStStreamBufferInfo().IsImagePresent)
{
IStImage stImage = streamBuffer.GetIStImage();
string strText = device.GetIStDeviceInfo().DisplayName + " ";
strText += stImage.ImageWidth + " x " + stImage.ImageHeight + " ";
strText += string.Format("{0:F2}[fps]", dataStream.CurrentFPS);
wnd.SetUserStatusBarText(strText);
if (!wnd.IsVisible)
{
wnd.SetPosition(0, 0, (int)stImage.ImageWidth, (int)stImage.ImageHeight);
wnd.Show(eStWindowMode.ModalessOnNewThread);
}
// ==============================================================================================================
// Create another buffer for storing rotated image
CStImageBuffer imageBuffer = CStApiDotNet.CreateStImageBuffer();
// Rotate original image and output to another buffer
filter.Convert(stImage, imageBuffer);
// Display rotated image
wnd.RegisterIStImage(imageBuffer.GetIStImage());
// ==============================================================================================================
}
else
{
Console.WriteLine("Image data does not exist.");
}
}
}
device.AcquisitionStop();
dataStream.StopAcquisition();
}
}
catch (Exception e)
{
Console.Error.WriteLine("An exception occurred. \r\n" + e.Message);
}
finally
{
Console.WriteLine("\r\nPress Enter to exit.");
Console.ReadLine();
}
}
static void Main(string[] args)
{
try
{
// Initialize StApi before using.
using (CStApiAutoInit api = new CStApiAutoInit())
// Create a system object for device scan and connection.
using (CStSystem system = new CStSystem())
// Create a camera device object and connect to first detected device.
using (CStDevice device = system.CreateFirstStDevice())
// Create a DataStream object for handling image stream data.
using (CStDataStream dataStream = device.CreateStDataStream(0))
{
// Displays the DisplayName of the device.
Console.WriteLine("Device=" + device.GetIStDeviceInfo().DisplayName);
// Start the image acquisition of the host (local machine) side.
dataStream.StartAcquisition(nCountOfImagesToGrab);
// Start the image acquisition of the camera side.
device.AcquisitionStart();
// Get the path of the image files.
string fileNameHeader = Environment.GetFolderPath(Environment.SpecialFolder.MyPictures);
fileNameHeader += @"\" + device.GetIStDeviceInfo().DisplayName + @"\" + device.GetIStDeviceInfo().DisplayName;
bool isImageSaved = false;
// Get the file name of the image file of the StApiRaw file format
string fileNameRaw = fileNameHeader + ".StApiRaw";
// Retrieve the buffer of image data with a timeout of 5000ms.
using (CStStreamBuffer streamBuffer = dataStream.RetrieveBuffer(5000))
{
// Check if the acquired data contains image data.
if (streamBuffer.GetIStStreamBufferInfo().IsImagePresent)
{
// If yes, we create a IStImage object for further image handling.
IStImage stImage = streamBuffer.GetIStImage();
Byte[] imageData = stImage.GetByteArray();
// Display the information of the acquired image data.
Console.Write("BlockId=" + streamBuffer.GetIStStreamBufferInfo().FrameID);
Console.Write(" Size:" + stImage.ImageWidth + " x " + stImage.ImageHeight);
Console.Write(" First byte =" + imageData[0] + Environment.NewLine);
// Create a still image file handling class object (filer) for still image processing.
using (CStStillImageFiler stillImageFiler = new CStStillImageFiler())
{
// Save the image file as StApiRaw file format with using the filer we created.
Console.Write(Environment.NewLine + "Saving " + fileNameRaw + "... ");
stillImageFiler.Save(stImage, eStStillImageFileFormat.StApiRaw, fileNameRaw);
Console.Write("done" + Environment.NewLine);
isImageSaved = true;
}
}
else
{
// If the acquired data contains no image data.
Console.WriteLine("Image data does not exist.");
}
}
// Stop the image acquisition of the camera side.
device.AcquisitionStop();
// Stop the image acquisition of the host side.
dataStream.StopAcquisition();
// The following code shows how to load the saved StApiRaw and process it.
if (isImageSaved)
{
// Create a buffer for storing the image data from StApiRaw file.
using (CStImageBuffer imageBuffer = CStApiDotNet.CreateStImageBuffer())
// Create a still image file handling class object (filer) for still image processing.
using (CStStillImageFiler stillImageFiler = new CStStillImageFiler())
// Create a data converter object for pixel format conversion.
using (CStPixelFormatConverter pixelFormatConverter = new CStPixelFormatConverter())
{
// Load the image from the StApiRaw file into buffer.
Console.Write(Environment.NewLine + "Loading " + fileNameRaw + "... ");
stillImageFiler.Load(imageBuffer, fileNameRaw);
Console.Write("done" + Environment.NewLine);
// Convert the image data to BGR8 format.
pixelFormatConverter.DestinationPixelFormat = eStPixelFormatNamingConvention.BGR8;
pixelFormatConverter.Convert(imageBuffer.GetIStImage(), imageBuffer);
// Get the IStImage interface to the converted image data.
IStImage stImage = imageBuffer.GetIStImage();
// Save as Bitmap
{
// Bitmap file extension.
string imageFileName = fileNameHeader + ".bmp";
// Save the image file in Bitmap format.
Console.Write(Environment.NewLine + "Saving " + imageFileName + "... ");
stillImageFiler.Save(stImage, eStStillImageFileFormat.Bitmap, imageFileName);
Console.Write("done" + Environment.NewLine);
}
// Save as Tiff
{
// Tiff file extension.
string imageFileName = fileNameHeader + ".tif";
// Save the image file in Tiff format.
Console.Write(Environment.NewLine + "Saving " + imageFileName + "... ");
stillImageFiler.Save(stImage, eStStillImageFileFormat.TIFF, imageFileName);
Console.Write("done" + Environment.NewLine);
}
// Save as PNG
{
// PNG file extension.
string imageFileName = fileNameHeader + ".png";
// Save the image file in PNG format.
Console.Write(Environment.NewLine + "Saving " + imageFileName + "... ");
stillImageFiler.Save(stImage, eStStillImageFileFormat.PNG, imageFileName);
Console.Write("done" + Environment.NewLine);
}
// Save as JPEG
{
// JPEG file extension.
string imageFileName = fileNameHeader + ".jpg";
// Save the image file in JPEG format.
stillImageFiler.Quality = 75;
Console.Write(Environment.NewLine + "Saving " + imageFileName + "... ");
stillImageFiler.Save(stImage, eStStillImageFileFormat.JPEG, imageFileName);
Console.Write("done" + Environment.NewLine);
}
// Save as CSV
{
// CSV file extension.
string imageFileName = fileNameHeader + ".csv";
// Save the image file in CSV format.
Console.Write(Environment.NewLine + "Saving " + imageFileName + "... ");
stillImageFiler.Save(stImage, eStStillImageFileFormat.CSV, imageFileName);
Console.Write("done" + Environment.NewLine);
}
}
}
}
}
catch (Exception e)
{
// If any exception occurred, display the description of the error here.
Console.Error.WriteLine("An exception occurred. \r\n" + e.Message);
}
finally
{
// Wait until the Enter key is pressed.
Console.WriteLine("\r\nPress Enter to exit.");
Console.ReadLine();
}
}
