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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.externaltools.internal.model;
import org.eclipse.jface.resource.CompositeImageDescriptor;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.Point;
import org.eclipse.ui.externaltools.internal.ui.IExternalToolsUIConstants;
/**
* A image descriptor consisting of a main icon and several adornments. The adornments
* are computed according to flags set on creation of the descriptor.
*/
public class AntImageDescriptor extends CompositeImageDescriptor {
/**
* Flag to render the default target adornment. Not used anymore,
* but left in case we want to add an adornment.
*/
public final static int DEFAULT_TARGET= 0x0001;
/** Flag to render the may be out of synch adornment */
public final static int HAS_ERRORS= 0x0002;
private ImageDescriptor fBaseImage;
private int fFlags;
private Point fSize;
/**
* Create a new JDIImageDescriptor.
*
* @param baseImage an image descriptor used as the base image
* @param flags flags indicating which adornments are to be rendered
*
*/
public AntImageDescriptor(ImageDescriptor baseImage, int flags) {
setBaseImage(baseImage);
setFlags(flags);
}
/**
* @see CompositeImageDescriptor#getSize()
*/
protected Point getSize() {
if (fSize == null) {
ImageData data= getBaseImage().getImageData();
setSize(new Point(data.width, data.height));
}
return fSize;
}
/**
* @see Object#equals(java.lang.Object)
*/
public boolean equals(Object object) {
if (!(object instanceof AntImageDescriptor)){
return false;
}
AntImageDescriptor other= (AntImageDescriptor)object;
return (getBaseImage().equals(other.getBaseImage()) && getFlags() == other.getFlags());
}
/**
* @see Object#hashCode()
*/
public int hashCode() {
return getBaseImage().hashCode() | getFlags();
}
/**
* @see CompositeImageDescriptor#drawCompositeImage(int, int)
*/
protected void drawCompositeImage(int width, int height) {
ImageData bg= getBaseImage().getImageData();
if (bg == null) {
bg= DEFAULT_IMAGE_DATA;
}
drawImage(bg, 0, 0);
drawOverlays();
}
/**
* Add any overlays to the image as specified in the flags.
*/
protected void drawOverlays() {
int flags= getFlags();
int x= 0;
int y= 0;
ImageData data= null;
if ((flags & HAS_ERRORS) != 0) {
x= getSize().x;
y= 0;
data= ExternalToolsImages.getImageDescriptor(IExternalToolsUIConstants.IMG_OVR_ERROR).getImageData();
x -= data.width;
drawImage(data, x, y);
}
}
protected ImageDescriptor getBaseImage() {
return fBaseImage;
}
protected void setBaseImage(ImageDescriptor baseImage) {
fBaseImage = baseImage;
}
protected int getFlags() {
return fFlags;
}
protected void setFlags(int flags) {
fFlags = flags;
}
protected void setSize(Point size) {
fSize = size;
}
}
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