org.eclipse.dltk.internal.ui.editor.AnnotatedImageDescriptor.java Source code

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Here is the source code for org.eclipse.dltk.internal.ui.editor.AnnotatedImageDescriptor.java

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/*******************************************************************************
 * Copyright (c) 2005, 2007 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
     
 *******************************************************************************/
package org.eclipse.dltk.internal.ui.editor;

import org.eclipse.jface.resource.CompositeImageDescriptor;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.Point;

/**
 * org.eclipse.jface.viewers.DecorationOverlayIcon should be used instead of
 * this class.
 */
@Deprecated
public abstract class AnnotatedImageDescriptor extends CompositeImageDescriptor {

    protected static ImageData getImageData(ImageDescriptor descriptor) {
        if (descriptor != null) {
            final ImageData data = descriptor.getImageData();

            if (data != null) {
                return data;
            }
        }

        return DEFAULT_IMAGE_DATA;
    }

    private Point fSize;

    private ImageDescriptor fBaseImage;

    public AnnotatedImageDescriptor(ImageDescriptor baseImageDescriptor, Point size) {
        fBaseImage = baseImageDescriptor;
        fSize = size;
    }

    public void setImageSize(Point size) {
        fSize = size;
    }

    protected Point getSize() {
        return fSize;
    }

    // Abstract method implementation
    protected void drawCompositeImage(int width, int height) {
        ImageData bg = getImageData(fBaseImage);

        if (bg != null) {
            drawImage(bg, 0, 0);
        }

        drawAnnotations();
    }

    protected void drawImageTopRight(ImageData data) {
        final Point size = getSize();
        drawImage(data, size.x - data.width, 0);
    }

    protected void drawImageTopLeft(ImageData data) {
        drawImage(data, 0, 0);
    }

    protected void drawImageBottomRight(ImageData data) {
        final Point size = getSize();
        drawImage(data, size.x - data.width, size.y - data.height);
    }

    protected void drawImageBottomLeft(ImageData data) {
        final Point size = getSize();
        drawImage(data, 0, size.y - data.height);
    }

    protected abstract void drawAnnotations();
}