Java Code Examples for org.eclipse.jface.resource.ImageDescriptor#getImageData()

protected void drawOverlays(ImageDescriptor[] overlays, int[] locations) {
	Point size = getSize();
	for (int i = 0; i < overlays.length; i++) {
		ImageDescriptor overlay = overlays[i];
		ImageData overlayData = overlay.getImageData();
		switch (locations[i]) {
			case TOP_LEFT:
				drawImage(overlayData, 0, 0);			
				break;
			case TOP_RIGHT:
				drawImage(overlayData, size.x - overlayData.width, 0);			
				break;
			case BOTTOM_LEFT:
				drawImage(overlayData, 0, size.y - overlayData.height);			
				break;
			case BOTTOM_RIGHT:
				drawImage(overlayData, size.x - overlayData.width, size.y - overlayData.height);			
				break;
		}
	}
}
 

/**
 * 提供一个图片文件对插件的相对路径，返回该图片被伸缩变换为16*16像素的描述信息。
 * @param path
 *            the path
 * @return the icon descriptor
 */
public static ImageDescriptor getIconDescriptor(String path) {
	ImageDescriptor image = getImageDescriptor(path);
	ImageData data = image.getImageData();
	data = data.scaledTo(16, 16);
	image = ImageDescriptor.createFromImageData(data);
	return image;
}
 

/**
 * 提供一个图片文件对插件的相对路径，返回该图片被伸缩变换为16*16像素的描述信息。
 * @param path
 *            the path
 * @return the icon descriptor
 */
public static ImageDescriptor getIconDescriptor(String path) {
	ImageDescriptor image = getImageDescriptor(path);
	ImageData data = image.getImageData();
	data = data.scaledTo(16, 16);
	image = ImageDescriptor.createFromImageData(data);
	return image;
}
 

/**
 * 提供一个图片文件对插件的相对路径，返回该图片被伸缩变换为16*16像素的描述信息。
 * @param path
 *            the path
 * @return the icon descriptor
 */
public static ImageDescriptor getIconDescriptor(String path) {
	ImageDescriptor image = getImageDescriptor(path);
	ImageData data = image.getImageData();
	data = data.scaledTo(16, 16);
	image = ImageDescriptor.createFromImageData(data);
	return image;
}
 

/**
 * 提供一个图片文件对插件的相对路径，返回该图片被伸缩变换为16*16像素的描述信息。
 * @param path
 *            the path
 * @return the icon descriptor
 */
public static ImageDescriptor getIconDescriptor(String path) {
	ImageDescriptor image = getImageDescriptor(path);
	ImageData data = image.getImageData();
	data = data.scaledTo(16, 16);
	image = ImageDescriptor.createFromImageData(data);
	return image;
}
 

/**
 * 提供一个图片文件对插件的相对路径，返回该图片被伸缩变换为16*16像素的描述信息。
 * @param path
 *            the path
 * @return the icon descriptor
 */
public static ImageDescriptor getIconDescriptor(String path) {
	ImageDescriptor image = getImageDescriptor(path);
	ImageData data = image.getImageData();
	data = data.scaledTo(16, 16);
	image = ImageDescriptor.createFromImageData(data);
	return image;
}
 

/**
 * 提供一个图片文件对插件的相对路径，返回该图片被伸缩变换为16*16像素的描述信息。
 * @param path
 *            the path
 * @return the icon descriptor
 */
public static ImageDescriptor getIconDescriptor(String path) {
	ImageDescriptor image = getImageDescriptor(path);
	ImageData data = image.getImageData();
	data = data.scaledTo(16, 16);
	image = ImageDescriptor.createFromImageData(data);
	return image;
}
 

/**
 * 提供一个图片文件对插件的相对路径，返回该图片被伸缩变换为16*16像素的描述信息。
 * @param path
 *            the path
 * @return the icon descriptor
 */
public static ImageDescriptor getIconDescriptor(String path) {
	ImageDescriptor image = getImageDescriptor(path);
	ImageData data = image.getImageData();
	data = data.scaledTo(16, 16);
	image = ImageDescriptor.createFromImageData(data);
	return image;
}
 

/**
 * Returns an image from the file at the given plug-in relative path.
 *
 * @param path
 * @return image; the returned image <b>MUST be disposed after usage</b> to free up memory
 */
public static Image getImage(final String path) {
  ImageDescriptor descriptor = getImageDescriptor(path);

  if (descriptor == null) {
    log.warn(
        "could not create image for path '"
            + path
            + "', either the file does not exists or the format is not supported");
    descriptor = ImageDescriptor.getMissingImageDescriptor();
  }

  return new Image(Display.getDefault(), descriptor.getImageData());
}
 

/**
 * 提供一个图片文件对插件的相对路径，返回该图片被伸缩变换为16*16像素的描述信息。
 * @param path
 *            the path
 * @return the icon descriptor
 */
public static ImageDescriptor getIconDescriptor(String path) {
	ImageDescriptor image = getImageDescriptor(path);
	ImageData data = image.getImageData();
	data = data.scaledTo(16, 16);
	image = ImageDescriptor.createFromImageData(data);
	return image;
}
 

/**
 * 提供一个图片文件对插件的相对路径，返回该图片被伸缩变换为16*16像素的描述信息。
 * @param path
 *            the path
 * @return the icon descriptor
 */
public static ImageDescriptor getIconDescriptor(String path) {
	ImageDescriptor image = getImageDescriptor(path);
	ImageData data = image.getImageData();
	data = data.scaledTo(16, 16);
	image = ImageDescriptor.createFromImageData(data);
	return image;
}
 

@Override
protected IStatus run(IProgressMonitor monitor) {
  ImageDescriptor descriptor = ImageDescriptor.createFromURL(imageUrl);
  imageData = descriptor.getImageData();
  if (imageData != null) {
    LabelImageLoader.storeInCache(imageUrl.toString(), imageData);
    display.syncExec(new SetImageRunnable());
  }
  return Status.OK_STATUS;
}
 

private ImageData getImageData(ImageDescriptor descriptor) {
	ImageData data= descriptor.getImageData(); // see bug 51965: getImageData can return null
	if (data == null) {
		data= DEFAULT_IMAGE_DATA;
		JavaPlugin.logErrorMessage("Image data not available: " + descriptor.toString()); //$NON-NLS-1$
	}
	return data;
}
 

public URL getImageURL(ImageDescriptor descriptor) {
	if (fTempDir == null)
		return null;

	URL url= fURLMap.get(descriptor);
	if (url != null)
		return url;

	File imageFile= getNewFile();
	ImageData imageData= descriptor.getImageData();
	if (imageData == null) {
		return null;
	}

	ImageLoader loader= new ImageLoader();
	loader.data= new ImageData[] { imageData };
	loader.save(imageFile.getAbsolutePath(), SWT.IMAGE_PNG);

	try {
		url= imageFile.toURI().toURL();
		fURLMap.put(descriptor, url);
		return url;
	} catch (MalformedURLException e) {
		JavaPlugin.log(e);
	}
	return null;
}
 

private ImageData getImageData(ImageDescriptor descriptor) {
	ImageData data= descriptor.getImageData(); // see bug 51965: getImageData can return null
	if (data == null) {
		data= DEFAULT_IMAGE_DATA;
		JavaPlugin.logErrorMessage("Image data not available: " + descriptor.toString()); //$NON-NLS-1$
	}
	return data;
}
 

private ImageData getImageData( ImageDescriptor descriptor )
{
	ImageData data = descriptor.getImageData( ); // null
	if ( data == null )
	{
		data = DEFAULT_IMAGE_DATA;
	}
	return data;
}
 

/**
 * Constructs a new CenteredCompositeImageDescriptor
 * 
 * @param baseImage
 * @param overlayImage
 */
CenteredCompositeImageDescriptor(ImageDescriptor baseImage, ImageDescriptor overlayImage)
{
	this.baseImageData = baseImage.getImageData();
	this.overlayImageData = overlayImage.getImageData();
	this.size = new Point(baseImageData.width, baseImageData.height);
}
 

private ImageData getImageData( ImageDescriptor descriptor )
{
	ImageData data = descriptor.getImageData( ); // null
	if ( data == null )
	{
		data = DEFAULT_IMAGE_DATA;
	}
	return data;
}
 

public static URL getImageURL(ImageDescriptor descriptor) {
	if (fTempDir == null)
		return null;

	URL url = fURLMap.get(descriptor);
	if (url != null)
		return url;

	File imageFile = getNewFile();
	ImageData imageData = descriptor.getImageData();
	if (imageData == null) {
		return null;
	}

	ImageLoader loader = new ImageLoader();
	loader.data = new ImageData[] { imageData };
	loader.save(imageFile.getAbsolutePath(), SWT.IMAGE_PNG);

	try {
		url = imageFile.toURI().toURL();
		fURLMap.put(descriptor, url);
		return url;
	} catch (MalformedURLException e) {
		TypeScriptUIPlugin.log("Failed to create image directory ", e); //$NON-NLS-1$
	}
	return null;
}
 

private ImageData getImageData(ImageDescriptor descriptor) {
	ImageData data = descriptor.getImageData(); // see bug 51965:
												// getImageData can return
												// null
	if (data == null) {
		data = DEFAULT_IMAGE_DATA;
		//		JavaScriptPlugin.logErrorMessage("Image data not available: " + descriptor.toString()); //$NON-NLS-1$
	}
	return data;
}