DPIUtil.AutoScaleImageDataProvider (Eclipse SWT API)

java.lang.Object
- org.eclipse.swt.internal.DPIUtil.AutoScaleImageDataProvider

All Implemented Interfaces:: ImageDataProvider

Enclosing class:: DPIUtil

public static final class DPIUtil.AutoScaleImageDataProvider
extends java.lang.Object
implements ImageDataProvider

AutoScale ImageDataProvider.

- Constructor Summary
  
  Constructors
  Constructor Description
  
  AutoScaleImageDataProvider(Device device, ImageData data, int zoom)
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  ImageData getImageData(int zoom)
  Returns the image data for the given zoom level.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - AutoScaleImageDataProvider
```
public AutoScaleImageDataProvider(Device device,
                                  ImageData data,
                                  int zoom)
```
- Method Detail
  - getImageData
```
public ImageData getImageData(int zoom)
```
    Description copied from interface: ImageDataProvider
    
    Returns the image data for the given zoom level.
    If no image is available for a particular zoom level, this method should return null. For zoom == 100, returning null is not allowed, and SWT will throw an exception.
    
    Specified by:
    
    getImageData in interface ImageDataProvider
    
    Parameters:
    
    zoom - The zoom level in % of the standard resolution (which is 1 physical monitor pixel == 1 SWT logical point). Typically 100, 150, or 200.
    
    Returns:
    
    the image data, or null if zoom != 100 and no image is available for the given zoom level.