/// <summary>
/// Build URI for the recognition of image from URL
/// </summary>
/// <param name="url">URL of the image</param>
/// <param name="readType">barcode read type</param>
/// <returns>URI of Saaspose URL image recognition</returns>
private string UriBuilderForURLImage(string url, BarCodeReadType readType)
{
// Initialize with server URI, text and type, which are must
string uri = Saaspose.Common.Product.BaseProductUri + "/barcode/";
uri += "recognize?";
// First parameter. Add barcode type to be recognized
// If AllSupportedTypes is selected, set blank, otherwise, send the ToString()
if (readType == BarCodeReadType.AllSupportedTypes)
{
uri += "type=";
}
else
{
uri += "type=" + readType.ToString();
}
// Add URL parameter
if (url != null && url.Trim().Length > 0)
{
uri += "&url=" + url;
}
// return the URI
return(uri);
}
/// <summary>
/// Read barcode from local image. Local image will first be uploaded on Saaspose server
/// and then recognized using Aspose.Cloud.BarCode. Result will be returned to client
/// </summary>
/// <param name="localImage">Full path and file name of local image</param>
/// <param name="remoteFolder">Remote folder name on Saaspose storage</param>
/// <param name="barcodeReadType">Barcode type to be recognized</param>
/// <returns>List of recognized barcodes</returns>
/// <example>
/// BarCodeReader reader = new BarCodeReader();
/// List<RecognizedBarCode> barcodesRead = reader.ReadFromLocalImage(@"c:\pdf417.jpg", "", BarCodeReadType.Pdf417);
/// foreach (RecognizedBarCode barcodeRead in barcodesRead)
/// {
/// Console.WriteLine("Codetext: " + barcodeRead.BarCodeValue + "\nType: " + barcodeRead.BarCodeType);
/// }
/// </example>
public List<RecognizedBarCode> ReadFromLocalImage(string localImage, string remoteFolder, BarCodeReadType barcodeReadType)
{
// First upload the local image to remote location
Folder folder = new Folder();
folder.UploadFile(localImage, remoteFolder);
// After upload, perform server recognition on uploaded image
return Read(Path.GetFileName(localImage), remoteFolder, barcodeReadType);
}
public static string ReadAsString(Bitmap bmp, BarCodeReadType type = BarCodeReadType.QR)
{
BarCodeReader reader = new BarCodeReader(bmp, type);
if (reader.Read())
{
return(reader.GetCodeText());
}
return(null);
}
public static byte[] ReadAsBinary(Bitmap bmp, BarCodeReadType type = BarCodeReadType.QR)
{
BarCodeReader reader = new BarCodeReader(bmp, type);
if (reader.Read())
{
return(reader.GetCodeBytes());
}
return(null);
}
public static byte[] ReadAsBinary(byte[] qr, BarCodeReadType type = BarCodeReadType.QR)
{
using (var ms = new MemoryStream(qr))
{
BarCodeReader reader = new BarCodeReader(ms, type);
if (reader.Read())
{
return(reader.GetCodeBytes());
}
return(null);
}
}
private string UriBuilder(string remoteImage, string remoteFolder, BarCodeReadType readType)
{
// Initialize with server URI, text and type, which are must
string uri = Saaspose.Common.Product.BaseProductUri + "/barcode/";
// remoteImage is the name of image on Saaspose server
if (remoteImage != null && remoteImage.Trim().Length > 0)
{
uri += remoteImage + "/";
}
uri += "recognize?";
// First parameter. Add barcode type to be recognized
// If AllSupportedTypes is selected, set blank, otherwise, send the ToString()
if (readType == BarCodeReadType.AllSupportedTypes)
{
uri += "type=";
}
else
{
uri += "type=" + readType.ToString();
}
// Add remote folder parameter
if (remoteFolder != null && remoteFolder.Trim().Length > 0)
{
uri += "&format=" + remoteFolder;
}
// Add folder parameter
if (remoteFolder != null && remoteFolder.Trim().Length > 0)
{
uri += "&folder=" + remoteFolder;
}
// return the URI
return(uri);
}
/// <summary>
/// Read barcode from URL
/// </summary>
/// <param name="url">A URL containing image e.g. http://www.yourdomain.com/folder/images/code39.png </param>
/// <param name="readType">type of barcode to be recognized</param>
/// <returns>The response from Saaspose service</returns>
/// <example>
/// BarCodeReader reader = new BarCodeReader();
/// List<RecognizedBarCode> barcodesRead = serverReader.Read("http://upload.wikimedia.org/wikipedia/commons/c/ce/WikiQRCode.png", BarCodeReadType.AllSupportedTypes);
/// Console.WriteLine("Read from URL.");
/// foreach (RecognizedBarCode barcodeRead in barcodesRead)
/// {
/// Console.WriteLine("Codetext: " + barcodeRead.BarCodeValue + "\nType: " + barcodeRead.BarCodeType);
/// }
/// </example>
public List <RecognizedBarCode> Read(string url, BarCodeReadType readType)
{
// Only validate the API keys
PerformValidations(true);
// Build URI for accessing Saaspose.BarCode API
string uri = UriBuilderForURLImage(url, readType);
// Send the request to Saaspose server
Stream responseStream = Utils.ProcessCommand(Utils.Sign(uri), "POST");
StreamReader reader = new StreamReader(responseStream);
// Read the response
string strJSON = reader.ReadToEnd();
//Parse the json string to JObject
JObject parsedJSON = JObject.Parse(strJSON);
//Deserializes the JSON to a object.
RecognitionResponse barcodeRecognitionResponse = JsonConvert.DeserializeObject <RecognitionResponse>(parsedJSON.ToString());
return(barcodeRecognitionResponse.Barcodes);
}
/// <summary>
/// Read barcode from image on Saaspose server.
/// </summary>
/// <param name="remoteImageName">Remote image file name.</param>
/// <param name="remoteFolder">Optional. Specify folder path to locate the image.</param>
/// <param name="readType">Barcode type</param>
/// <returns>List of recognized barcodes</returns>
/// <example>
/// BarCodeReader reader = new BarCodeReader();
/// List<RecognizedBarCode> barcodesRead = reader.Read("test-1234.png", "", BarCodeReadType.AllSupportedTypes);
/// Console.WriteLine("Read from server.");
/// foreach (RecognizedBarCode barcodeRead in barcodesRead)
/// {
/// Console.WriteLine("Codetext: " + barcodeRead.BarCodeValue + "\nType: " + barcodeRead.BarCodeType);
/// }
/// </example>
public List<RecognizedBarCode> Read(string remoteImageName, string remoteFolder, BarCodeReadType readType)
{
_remoteImageName = remoteImageName;
PerformValidations(false);
// Build URL with querystring request parameters
string uri = UriBuilder(remoteImageName, remoteFolder, readType);
// Send the request to Saaspose server
Stream responseStream = Utils.ProcessCommand(Utils.Sign(uri), "GET");
StreamReader reader = new StreamReader(responseStream);
// Read the response
string strJSON = reader.ReadToEnd();
//Parse the json string to JObject
JObject parsedJSON = JObject.Parse(strJSON);
//Deserializes the JSON to a object.
RecognitionResponse barcodeRecognitionResponse = JsonConvert.DeserializeObject<RecognitionResponse>(parsedJSON.ToString());
return barcodeRecognitionResponse.Barcodes;
}
/// <summary>
/// Build URI for the recognition of image from URL
/// </summary>
/// <param name="url">URL of the image</param>
/// <param name="readType">barcode read type</param>
/// <returns>URI of Saaspose URL image recognition</returns>
private string UriBuilderForURLImage(string url, BarCodeReadType readType)
{
// Initialize with server URI, text and type, which are must
string uri = Aspose.Cloud.Common.Product.BaseProductUri + "/barcode/";
uri += "recognize?";
// First parameter. Add barcode type to be recognized
// If AllSupportedTypes is selected, set blank, otherwise, send the ToString()
if (readType == BarCodeReadType.AllSupportedTypes)
uri += "type=";
else
uri += "type=" + readType.ToString();
// Add URL parameter
if (url != null && url.Trim().Length > 0)
uri += "&url=" + url;
// return the URI
return uri;
}
private string UriBuilder(string remoteImage, string remoteFolder, BarCodeReadType readType)
{
// Initialize with server URI, text and type, which are must
string uri = Aspose.Cloud.Common.Product.BaseProductUri + "/barcode/";
// remoteImage is the name of image on Saaspose server
if (remoteImage != null && remoteImage.Trim().Length > 0)
uri += remoteImage + "/";
uri += "recognize?";
// First parameter. Add barcode type to be recognized
// If AllSupportedTypes is selected, set blank, otherwise, send the ToString()
if (readType == BarCodeReadType.AllSupportedTypes)
uri += "type=";
else
uri += "type=" + readType.ToString();
// Add remote folder parameter
if (remoteFolder != null && remoteFolder.Trim().Length > 0)
uri += "&format=" + remoteFolder;
// Add folder parameter
if (remoteFolder != null && remoteFolder.Trim().Length > 0)
uri += "&folder=" + remoteFolder;
// return the URI
return uri;
}
/// <summary>
/// Read barcode from URL
/// </summary>
/// <param name="url">A URL containing image e.g. http://www.yourdomain.com/folder/images/code39.png </param>
/// <param name="readType">type of barcode to be recognized</param>
/// <returns>The response from Saaspose service</returns>
/// <example>
/// BarCodeReader reader = new BarCodeReader();
/// List<RecognizedBarCode> barcodesRead = serverReader.Read("http://upload.wikimedia.org/wikipedia/commons/c/ce/WikiQRCode.png", BarCodeReadType.AllSupportedTypes);
/// Console.WriteLine("Read from URL.");
/// foreach (RecognizedBarCode barcodeRead in barcodesRead)
/// {
/// Console.WriteLine("Codetext: " + barcodeRead.BarCodeValue + "\nType: " + barcodeRead.BarCodeType);
/// }
/// </example>
public List<RecognizedBarCode> Read(string url, BarCodeReadType readType)
{
// Only validate the API keys
PerformValidations(true);
// Build URI for accessing Aspose.Cloud.BarCode API
string uri = UriBuilderForURLImage(url, readType);
// Send the request to Saaspose server
Stream responseStream = Utils.ProcessCommand(Utils.Sign(uri), "POST");
StreamReader reader = new StreamReader(responseStream);
// Read the response
string strJSON = reader.ReadToEnd();
//Parse the json string to JObject
JObject parsedJSON = JObject.Parse(strJSON);
//Deserializes the JSON to a object.
RecognitionResponse barcodeRecognitionResponse = JsonConvert.DeserializeObject<RecognitionResponse>(parsedJSON.ToString());
return barcodeRecognitionResponse.Barcodes;
}
/// <summary>
/// Read barcode from image on Saaspose server.
/// </summary>
/// <param name="remoteImageName">Remote image file name.</param>
/// <param name="remoteFolder">Optional. Specify folder path to locate the image.</param>
/// <param name="readType">Barcode type</param>
/// <returns>List of recognized barcodes</returns>
/// <example>
/// BarCodeReader reader = new BarCodeReader();
/// List<RecognizedBarCode> barcodesRead = reader.Read("test-1234.png", "", BarCodeReadType.AllSupportedTypes);
/// Console.WriteLine("Read from server.");
/// foreach (RecognizedBarCode barcodeRead in barcodesRead)
/// {
/// Console.WriteLine("Codetext: " + barcodeRead.BarCodeValue + "\nType: " + barcodeRead.BarCodeType);
/// }
/// </example>
public List <RecognizedBarCode> Read(string remoteImageName, string remoteFolder, BarCodeReadType readType)
{
_remoteImageName = remoteImageName;
PerformValidations(false);
// Build URL with querystring request parameters
string uri = UriBuilder(remoteImageName, remoteFolder, readType);
// Send the request to Saaspose server
Stream responseStream = Utils.ProcessCommand(Utils.Sign(uri), "GET");
StreamReader reader = new StreamReader(responseStream);
// Read the response
string strJSON = reader.ReadToEnd();
//Parse the json string to JObject
JObject parsedJSON = JObject.Parse(strJSON);
//Deserializes the JSON to a object.
RecognitionResponse barcodeRecognitionResponse = JsonConvert.DeserializeObject <RecognitionResponse>(parsedJSON.ToString());
return(barcodeRecognitionResponse.Barcodes);
}
/// <summary>
/// Read barcode from local image. Local image will first be uploaded on Saaspose server
/// and then recognized using Saaspose.BarCode. Result will be returned to client
/// </summary>
/// <param name="localImage">Full path and file name of local image</param>
/// <param name="remoteFolder">Remote folder name on Saaspose storage</param>
/// <param name="barcodeReadType">Barcode type to be recognized</param>
/// <returns>List of recognized barcodes</returns>
/// <example>
/// BarCodeReader reader = new BarCodeReader();
/// List<RecognizedBarCode> barcodesRead = reader.ReadFromLocalImage(@"c:\pdf417.jpg", "", BarCodeReadType.Pdf417);
/// foreach (RecognizedBarCode barcodeRead in barcodesRead)
/// {
/// Console.WriteLine("Codetext: " + barcodeRead.BarCodeValue + "\nType: " + barcodeRead.BarCodeType);
/// }
/// </example>
public List <RecognizedBarCode> ReadFromLocalImage(string localImage, string remoteFolder, BarCodeReadType barcodeReadType)
{
// First upload the local image to remote location
Folder folder = new Folder();
folder.UploadFile(localImage, remoteFolder);
// After upload, perform server recognition on uploaded image
return(Read(Path.GetFileName(localImage), remoteFolder, barcodeReadType));
}
