SDK can load images from the following image and document file formats:
' The project, which uses this code, must have references to the following assemblies: ' - Vintasoft.Imaging ' create a VintasoftImage object, which stores information about image from a PNG file Dim vsImage As New Vintasoft.Imaging.VintasoftImage("image.png") ' save the image to a JPEG file vsImage.Save("image.jpg")
// The project, which uses this code, must have references to the following assemblies: // - Vintasoft.Imaging // create a VintasoftImage object, which stores information about image from a PNG file Vintasoft.Imaging.VintasoftImage vsImage = new Vintasoft.Imaging.VintasoftImage("image.png"); // save the image to a JPEG file vsImage.Save("image.jpg");
' The project, which uses this code, must have references to the following assemblies: ' - Vintasoft.Imaging ' create an image collection Dim images As New Vintasoft.Imaging.ImageCollection() ' add all image from an animated GIF file to the image collection images.Add("animated.gif") ' add all image from a multipage TIFF file to the image collection images.Add("multipage.tif") ' add an image from a JPEG file to the image collection images.Add("image.jpg") ' add all image from a PDF file to the image collection images.Add("document.pdf")
// The project, which uses this code, must have references to the following assemblies: // - Vintasoft.Imaging // create an image collection Vintasoft.Imaging.ImageCollection images = new Vintasoft.Imaging.ImageCollection(); // add all image from an animated GIF file to the image collection images.Add("animated.gif"); // add all image from a multipage TIFF file to the image collection images.Add("multipage.tif"); // add an image from a JPEG file to the image collection images.Add("image.jpg"); // add all image from a PDF file to the image collection images.Add("document.pdf");
' The project, which uses this code, must have references to the following assemblies: ' - Vintasoft.Imaging ' open a file stream Dim fs As New System.IO.FileStream("image.png", System.IO.FileMode.Open, System.IO.FileAccess.ReadWrite) ' create an image collection Dim images As New Vintasoft.Imaging.ImageCollection() ' add all image from the file stream to the image collection ' IMPORTANT: Do not dispose the file stream because it will be disposed ' automatically when the ImageCollection object is disposed images.Add(fs, True)
// The project, which uses this code, must have references to the following assemblies: // - Vintasoft.Imaging // open a file stream System.IO.FileStream fs = new System.IO.FileStream( "image.png", System.IO.FileMode.Open, System.IO.FileAccess.ReadWrite); // create an image collection Vintasoft.Imaging.ImageCollection images = new Vintasoft.Imaging.ImageCollection(); // add all image from the file stream to the image collection // IMPORTANT: Do not dispose the file stream because it will be disposed // automatically when the ImageCollection object is disposed images.Add(fs, true);
' The project, which uses this code, must have references to the following assemblies: ' - Vintasoft.Imaging ' get image as a byte array Dim imageAsByteArray As Byte() = System.IO.File.ReadAllBytes("image.png") ' create a memory stream, which will store the image Dim mem As New System.IO.MemoryStream(imageAsByteArray) ' create a VintasoftImage object, which is based on the memory stream ' IMPORTANT: Do not dispose the memory stream because it will be disposed ' automatically when the VintasoftImage object is disposed Dim vsImage As New Vintasoft.Imaging.VintasoftImage(mem, True)
// The project, which uses this code, must have references to the following assemblies: // - Vintasoft.Imaging // get image as a byte array byte[] imageAsByteArray = System.IO.File.ReadAllBytes("image.png"); // create a memory stream, which will store the image System.IO.MemoryStream mem = new System.IO.MemoryStream(imageAsByteArray); // create a VintasoftImage object, which is based on the memory stream // IMPORTANT: Do not dispose the memory stream because it will be disposed // automatically when the VintasoftImage object is disposed Vintasoft.Imaging.VintasoftImage vsImage = new Vintasoft.Imaging.VintasoftImage(mem, true);
' The project, which uses this code, must have references to the following assemblies: ' - Vintasoft.Imaging ''' <summary> ''' Returns an image from Microsoft Access database. ''' </summary> ''' <param name="imageId">The image identifier in database.</param> ''' <returns>Image.</returns> Public Function LoadImageFromMSAccessDatabase(imageId As Integer) As Vintasoft.Imaging.VintasoftImage Dim result As Vintasoft.Imaging.VintasoftImage = Nothing Dim myConnection As System.Data.OleDb.OleDbConnection = Nothing Try ' the connection string, which is used for opening the databae Dim connectionString As String = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=image.mdb" ' connect to the database myConnection = New System.Data.OleDb.OleDbConnection(connectionString) ' open the connection to the database myConnection.Open() ' the text of SQL query Dim sqlCommand As String = String.Format("SELECT ImageData FROM [ImageDatabase] WHERE ImageId = {0}", imageId) ' create the SQL command Dim myCommand As New System.Data.OleDb.OleDbCommand(sqlCommand, myConnection) ' execute the SQL command and get image from the database Dim imageAsByteArray As Byte() = DirectCast(myCommand.ExecuteScalar(), Byte()) ' if image is retrieved from the database If imageAsByteArray IsNot Nothing Then ' create a memory stream, which will store the image Dim mem As New System.IO.MemoryStream(imageAsByteArray) ' create a VintasoftImage object, which is based on the memory stream ' IMPORTANT: Do not dispose the memory stream because it will be disposed ' automatically when the VintasoftImage object is disposed result = New Vintasoft.Imaging.VintasoftImage(mem, True) End If Finally ' close the connection to the database myConnection.Close() End Try Return result End Function
// The project, which uses this code, must have references to the following assemblies: // - Vintasoft.Imaging /// <summary> /// Returns an image from Microsoft Access database. /// </summary> /// <param name="imageId">The image identifier in database.</param> /// <returns>Image.</returns> public Vintasoft.Imaging.VintasoftImage LoadImageFromMSAccessDatabase(int imageId) { Vintasoft.Imaging.VintasoftImage result = null; System.Data.OleDb.OleDbConnection myConnection = null; try { // the connection string, which is used for opening the databae string connectionString = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=image.mdb"; // connect to the database myConnection = new System.Data.OleDb.OleDbConnection(connectionString); // open the connection to the database myConnection.Open(); // the text of SQL query string sqlCommand = string.Format("SELECT ImageData FROM [ImageDatabase] WHERE ImageId = {0}", imageId); // create the SQL command System.Data.OleDb.OleDbCommand myCommand = new System.Data.OleDb.OleDbCommand(sqlCommand, myConnection); // execute the SQL command and get image from the database byte[] imageAsByteArray = (byte[])myCommand.ExecuteScalar(); // if image is retrieved from the database if (imageAsByteArray != null) { // create a memory stream, which will store the image System.IO.MemoryStream mem = new System.IO.MemoryStream(imageAsByteArray); // create a VintasoftImage object, which is based on the memory stream // IMPORTANT: Do not dispose the memory stream because it will be disposed // automatically when the VintasoftImage object is disposed result = new Vintasoft.Imaging.VintasoftImage(mem, true); } } finally { // close the connection to the database myConnection.Close(); } return result; }