Examples of org.eclipse.jface.viewers.DecorationOverlayIcon

org.eclipse.jface.viewers.DecorationOverlayIcon
A DecorationOverlayIcon is an image descriptor that can be used to overlay decoration images on to the 4 corner quadrants of a base image. The four quadrants are {@link IDecoration#TOP_LEFT}, {@link IDecoration#TOP_RIGHT}, {@link IDecoration#BOTTOM_LEFT} and {@link IDecoration#BOTTOM_RIGHT}. Additionally, the overlay can be used to provide an underlay corresponding to {@link IDecoration#UNDERLAY}. @since 3.3 @see IDecoration

            ImageRegistry reg = getPlugin().getImageRegistry();
            String errorImageName = "error_" + tab.getName();
            Image errorImage = reg.get(errorImageName);
            if(errorImage == null){
              ImageDescriptor desc = reg.getDescriptor("over_error");
              DecorationOverlayIcon icon = new DecorationOverlayIcon(image, desc, IDecoration.TOP_LEFT);
              reg.put(errorImageName , icon);
              reg.get(errorImageName);
            }
            item.setImage(errorImage);
          }

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    return RunnerPlugin.getDefault().getImageDescriptor(image).createImage();
  }


  private Image overlyBookmarkIcon(Image image, String decoration) {
    ImageDescriptor decorationDescriptor = RunnerPlugin.getDefault().getImageDescriptor(decoration);
    return new DecorationOverlayIcon(image, decorationDescriptor, IDecoration.TOP_RIGHT).createImage();
  }

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                    if (projectWithError == null) {
                        //Note on double-checked locking idiom: http://www.cs.umd.edu/~pugh/java/memoryModel/DoubleCheckedLocking.html.
                        //(would not work as expected on java 1.4)
                        Image image = provider.getImage(element);
                        try {
                            DecorationOverlayIcon decorationOverlayIcon = new DecorationOverlayIcon(image, PydevPlugin
                                    .getImageCache().getDescriptor(UIConstants.ERROR_SMALL), IDecoration.BOTTOM_LEFT);
                            projectWithError = decorationOverlayIcon.createImage();
                        } catch (Exception e) {
                            Log.log("Unable to create error decoration for project icon.", e);
                            projectWithError = image;
                        }
                    }

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    }
    return image;
  }


  private Image getDecoratedImage(Image base, ImageDescriptor decorator) {
    DecorationOverlayIcon decorated = new DecorationOverlayIcon(base,
        decorator, IDecoration.BOTTOM_RIGHT);
    return (Image) this.resourceManager.get(decorated);
  }

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      } else
        return SUBMODULE;
    }


    private Image getDecoratedImage(Image base, ImageDescriptor decorator) {
      DecorationOverlayIcon decorated = new DecorationOverlayIcon(base,
          decorator, IDecoration.BOTTOM_RIGHT);
      return (Image) this.resourceManager.get(decorated);
    }

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            .getImage(s);
        final ImageDescriptor overlay = getDecoration(element).getOverlay();
        if (overlay == null)
          return baseImage;
        try {
          return fImageCache.createImage(new DecorationOverlayIcon(
              baseImage, overlay, IDecoration.BOTTOM_RIGHT));
        } catch (Exception e) {
          Activator.logError(e.getMessage(), e);
        }

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      return null;
  }


  private Image getDecoratedImage(Image base, String teamImageId) {
    ImageDescriptor overlay = TeamImages.getImageDescriptor(teamImageId);
    DecorationOverlayIcon decorated = new DecorationOverlayIcon(base,
        overlay, IDecoration.BOTTOM_LEFT);
    return (Image) this.resourceManager.get(decorated);
  }

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      if (!hasNewNews)
        return (favicon != null) ? favicon : OwlUI.BOOKMARK;


      /* Overlay if News are *new* */
      Image base = (favicon != null) ? OwlUI.getImage(fgResources, favicon) : OwlUI.getImage(fgResources, OwlUI.BOOKMARK);
      DecorationOverlayIcon overlay = new DecorationOverlayIcon(base, OwlUI.getImageDescriptor("icons/ovr16/new.gif"), IDecoration.BOTTOM_RIGHT); //$NON-NLS-1$
      return overlay;
    }


    /* Saved Search */
    else if (child instanceof ISearchMark) {

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    if (bookmark.isErrorLoading()) {


      /* Overlay with Error Icon if required */
      if (favicon != null) {
        Image faviconImg = OwlUI.getImage(fResources, favicon);
        DecorationOverlayIcon overlay = new DecorationOverlayIcon(faviconImg, OwlUI.getImageDescriptor("icons/ovr16/error.gif"), IDecoration.BOTTOM_RIGHT); //$NON-NLS-1$
        return OwlUI.getImage(fResources, overlay);
      }


      /* Default Error Icon */
      return fBookMarkErrorIcon;
    }


    /* Use normal Icon */
    Image icon = favicon != null ? OwlUI.getImage(fResources, favicon) : fBookMarkIcon;


    /* Overlay if News are *new* */
    if (hasNew) {
      DecorationOverlayIcon overlay = new DecorationOverlayIcon(icon, OwlUI.getImageDescriptor("icons/ovr16/new.gif"), IDecoration.BOTTOM_RIGHT); //$NON-NLS-1$
      return OwlUI.getImage(fResources, overlay);
    }


    /* Don't overlay */
    return icon;

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  public EditorImageUpdater(GoEditor editor) {
    this.editor = editor;
    
    defaultImage = editor.getTitleImage();
    
    warningImage = GoPluginImages.getCachedImage(new DecorationOverlayIcon(defaultImage,
      GoPluginImages.OVERLAYS_WARNING, IDecoration.BOTTOM_LEFT));
    errorImage = GoPluginImages.getCachedImage(new DecorationOverlayIcon(defaultImage, 
      GoPluginImages.OVERLAYS_ERROR, IDecoration.BOTTOM_LEFT));
    
    installResourceChangeListener(editor);
  }

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