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info
The SerializationInfo to populate with data.
context
The contextual information about the source or destination of the serialization.
This method implements ISerializable.GetObjectData.
The RasterImage class supports standard .NET serialization. Serialization a RasterImage is the process of converting the state of an RasterImage object into a form that can be persisted or transported. The complement of serialization is deserialization, which converts a stream into an RasterImage object. Together, these processes allow the image data to be easily stored and transferred.
When you serialize an RasterImage object, all the data inside the object are saved. This include the image data of all pages as well as the current page number, region information, low bit/high bit, palette data, metadata (tags, markers and comments), etc. In other words, the RasterImage can be constructed back to its original state from the stream.
For more information and examples regarding serialization of an RasterImage object, refer to RasterImage Serialization.
This method will use the value of RasterDefaults.CompressOnSerialize to determine whether to use compression when serializing the RasterImage object.
using Leadtools;
using Leadtools.Codecs;
public void MyRasterImageSerializationTest()
{
// Load an image
RasterCodecs codecs = new RasterCodecs();
RasterImage img = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp"));
// create a new MyRasterImage instance out of this image
MyRasterImage myImage = new MyRasterImage(img);
// Set our custom data
myImage.MyIntegerData = 10;
myImage.MyStringData = "My string";
string msg = string.Format("Before serialization. MyIntegerData = {0}, MyStringData = {1}", myImage.MyIntegerData, myImage.MyStringData);
Console.WriteLine(msg);
// img is invalid now and should be disposed
img.Dispose();
// Serialize myImage
BinaryFormatter formatter = new BinaryFormatter();
MemoryStream ms = new MemoryStream();
formatter.Serialize(ms, myImage);
// dispose myImage
myImage.Dispose();
myImage = null;
// Deserialize back from the stream
ms.Position = 0;
myImage = formatter.Deserialize(ms) as MyRasterImage;
msg = string.Format("After serialization. MyIntegerData = {0}, MyStringData = {1}", myImage.MyIntegerData, myImage.MyStringData);
Console.WriteLine(msg);
// re-save the image
codecs.Save(myImage, Path.Combine(LEAD_VARS.ImagesDir, "Image1_MySerialized.bmp"), RasterImageFormat.Bmp, 24);
// Clean up
ms.Close();
ms.Dispose();
myImage.Dispose();
codecs.Dispose();
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images";
}
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import org.junit.*;
import org.junit.runner.JUnitCore;
import org.junit.runner.Result;
import org.junit.runner.notification.Failure;
import static org.junit.Assert.*;
import leadtools.*;
import leadtools.codecs.*;
public void MyRasterImageSerializationTest() {
final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images";
RasterCodecs codecs = new RasterCodecs();
RasterImage img = codecs.load(combine(LEAD_VARS_IMAGES_DIR, "sample5.cmp"));
// create a new MyRasterImage instance out of this image
SerializeRasterImage myImage = new SerializeRasterImage(img);
// Set our custom data
myImage.setMyIntegerData(10);
myImage.setMyStringData("My string");
String msg = String.format("Before serialization. MyIntegerData = %s, MyStringData = %s%n",
myImage.getMyIntegerData(), myImage.getMyStringData());
System.out.println(msg);
// img is invalid now and should be disposed
img.dispose();;
// Serialization
try {
// Saving of object in a file
File serFile = new File(combine(LEAD_VARS_IMAGES_DIR, "Serialized.txt"));
FileOutputStream fos = new FileOutputStream(serFile);
ObjectOutputStream out = new ObjectOutputStream(fos);
// Method for serialization of object
out.writeObject(myImage);
out.close();
fos.close();
System.out.println("Object has been serialized");
// dispose myImage
myImage = null;
// Deserialize back from the stream
// Reading the object from a file
File deserFile = new File(combine(LEAD_VARS_IMAGES_DIR, "Serialized.txt"));
FileInputStream fis = new FileInputStream(deserFile);
ObjectInputStream in = new ObjectInputStream(fis);
// Method for deserialization of object
myImage = (SerializeRasterImage) in.readObject();
in.close();
fis.close();
System.out.println("Object has been deserialized ");
System.out.println("a = " + myImage.getMyIntegerData());
System.out.println("b = " + myImage.getMyStringData());
} catch (IOException | ClassNotFoundException ex) {
System.out.println(ex);
}
msg = String.format("After serialization. MyIntegerData = %s, MyStringData = %s%n", myImage.getMyIntegerData(),
myImage.getMyStringData());
System.out.println(msg);
// re-save the image
codecs.save(myImage, combine(LEAD_VARS_IMAGES_DIR, "Image1_MySerialized.bmp"), RasterImageFormat.BMP, 24);
assertTrue("Image unsuccessfully saved to " + combine(LEAD_VARS_IMAGES_DIR, "Image1_MySerialized.bmp"),
(new File(combine(LEAD_VARS_IMAGES_DIR, "Image1_MySerialized.bmp"))).exists());
System.out.println("Image is saved to " + combine(LEAD_VARS_IMAGES_DIR, "Image1_MySerialized.bmp"));
// Clean up
myImage.dispose();
codecs.dispose();
}
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