Class ImageTransfer

java.lang.Object
org.eclipse.swt.dnd.Transfer
org.eclipse.swt.dnd.ByteArrayTransfer
org.eclipse.swt.dnd.ImageTransfer
public class ImageTransfer extends ByteArrayTransfer
The class ImageTransfer provides a platform specific mechanism for converting an Image represented as a java ImageData to a platform specific representation of the data and vice versa.

An example of a java ImageData is shown below:

    Image image = new Image(display, "C:\\temp\\img1.gif");
    ImageData imgData = image.getImageData();
Since:
3.4
See Also:

  • Field Details

  • Constructor Details

    • ImageTransfer

      private ImageTransfer()

  • Method Details

    • getInstance

      public static ImageTransfer getInstance()
      Returns the singleton instance of the ImageTransfer class.
      Returns:
      the singleton instance of the ImageTransfer class

    • javaToNative

      public void javaToNative(Object object, TransferData transferData)
      This implementation of javaToNative converts an ImageData object represented by java ImageData to a platform specific representation.
      Overrides:
      javaToNative in class ByteArrayTransfer
      Parameters:
      object - a java ImageData containing the ImageData to be converted
      transferData - an empty TransferData object that will be filled in on return with the platform specific format of the data
      See Also:

    • nativeToJava

      public Object nativeToJava(TransferData transferData)
      This implementation of nativeToJava converts a platform specific representation of an image to java ImageData.
      Overrides:
      nativeToJava in class ByteArrayTransfer
      Parameters:
      transferData - the platform specific representation of the data to be converted
      Returns:
      a java ImageData of the image if the conversion was successful; otherwise null
      See Also:

    • getTypeIds

      protected int[] getTypeIds()
      Description copied from class: Transfer
      Returns the platform specific ids of the data types that can be converted using this transfer agent.
      Specified by:
      getTypeIds in class Transfer
      Returns:
      the platform specific ids of the data types that can be converted using this transfer agent

    • getTypeNames

      protected String[] getTypeNames()
      Description copied from class: Transfer
      Returns the platform specific names of the data types that can be converted using this transfer agent.
      Specified by:
      getTypeNames in class Transfer
      Returns:
      the platform specific names of the data types that can be converted using this transfer agent.

    • checkImage

      boolean checkImage(Object object)

    • validate

      protected boolean validate(Object object)
      Description copied from class: Transfer
      Test that the object is of the correct format for this Transfer class.
      Overrides:
      validate in class Transfer
      Parameters:
      object - a java representation of the data to be converted
      Returns:
      true if object is of the correct form for this transfer type