org.eclipse.swt.dnd
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:
-
Transfer
|
Method Summary
|
static
ImageTransfer
|
getInstance
()
Returns the singleton instance of the ImageTransfer class. |
protected int[]
|
getTypeIds
()
Returns the platform specific ids of the data types that can be converted using
this transfer agent. |
protected
String[]
|
getTypeNames
()
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 of javaToNative converts an ImageData object represented
by java ImageData to a platform specific representation. |
Object
|
nativeToJava
(
TransferData transferData)
This implementation of nativeToJava converts a platform specific
representation of an image to java ImageData. |
protected boolean
|
validate
(
Object object)
Test that the object is of the correct format for this Transfer class. |
|
Methods inherited from class java.lang.
Object
|
clone,
equals,
finalize,
getClass,
hashCode,
notify,
notifyAll,
toString,
wait,
wait,
wait
|
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:
-
Transfer.nativeToJava(org.eclipse.swt.dnd.TransferData)
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:
-
Transfer.javaToNative(java.lang.Object, org.eclipse.swt.dnd.TransferData)
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.
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
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Copyright (c) Eclipse contributors and others 2000, 2008. All rights reserved.
