Package org.eclipse.swt.dnd
Class ImageTransfer
java.lang.Object
org.eclipse.swt.dnd.Transfer
org.eclipse.swt.dnd.ByteArrayTransfer
org.eclipse.swt.dnd.ImageTransfer
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:
-
Method Summary
Modifier and TypeMethodDescriptionstatic ImageTransfer
Returns the singleton instance of the ImageTransfer class.protected int[]
Returns the platform specific ids of the data types that can be converted using this transfer agent.protected String[]
Returns the platform specific names of the data types that can be converted using this transfer agent.void
javaToNative
(Object object, TransferData transferData) This implementation ofjavaToNative
converts an ImageData object represented by javaImageData
to a platform specific representation.nativeToJava
(TransferData transferData) This implementation ofnativeToJava
converts a platform specific representation of an image to javaImageData
.protected boolean
Test that the object is of the correct format for this Transfer class.Methods inherited from class org.eclipse.swt.dnd.ByteArrayTransfer
getSupportedTypes, isSupportedType
Methods inherited from class org.eclipse.swt.dnd.Transfer
registerType
-
Method Details
-
getInstance
Returns the singleton instance of the ImageTransfer class.- Returns:
- the singleton instance of the ImageTransfer class
-
javaToNative
This implementation ofjavaToNative
converts an ImageData object represented by javaImageData
to a platform specific representation.- Overrides:
javaToNative
in classByteArrayTransfer
- Parameters:
object
- a javaImageData
containing the ImageData to be convertedtransferData
- an emptyTransferData
object that will be filled in on return with the platform specific format of the data- See Also:
-
nativeToJava
This implementation ofnativeToJava
converts a platform specific representation of an image to javaImageData
.- Overrides:
nativeToJava
in classByteArrayTransfer
- 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 classTransfer
- Returns:
- the platform specific ids of the data types that can be converted using this transfer agent
-
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 classTransfer
- Returns:
- the platform specific names of the data types that can be converted using this transfer agent.
-
validate
Description copied from class:Transfer
Test that the object is of the correct format for this Transfer class.
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