diff options
| -rw-r--r-- | bundles/org.eclipse.team.ui/src/org/eclipse/team/internal/ui/OverlayIcon.java | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/bundles/org.eclipse.team.ui/src/org/eclipse/team/internal/ui/OverlayIcon.java b/bundles/org.eclipse.team.ui/src/org/eclipse/team/internal/ui/OverlayIcon.java new file mode 100644 index 000000000..801bd250e --- /dev/null +++ b/bundles/org.eclipse.team.ui/src/org/eclipse/team/internal/ui/OverlayIcon.java @@ -0,0 +1,99 @@ +/******************************************************************************* + * 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.team.internal.ui; + +import java.util.Arrays; + +import org.eclipse.jface.resource.CompositeImageDescriptor; +import org.eclipse.jface.resource.ImageDescriptor; +import org.eclipse.swt.graphics.Image; +import org.eclipse.swt.graphics.ImageData; +import org.eclipse.swt.graphics.Point; + +/** + * An OverlayIcon consists of a main icon and several adornments. + */ +public class OverlayIcon extends CompositeImageDescriptor { + // the base image + private Image base; + // the overlay images + private ImageDescriptor[] overlays; + // the size + private Point size; + // the locations + private int[] locations; + + public static final int TOP_LEFT = 0; + public static final int TOP_RIGHT = 1; + public static final int BOTTOM_LEFT = 2; + public static final int BOTTOM_RIGHT = 3; + + /** + * OverlayIcon constructor. + * + * @param base the base image + * @param overlays the overlay images + * @param locations the location of each image + * @param size the size + */ + public OverlayIcon(Image base, ImageDescriptor[] overlays, int[] locations, Point size) { + this.base = base; + this.overlays = overlays; + this.locations = locations; + this.size = size; + } + + 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; + } + } + } + + public boolean equals(Object o) { + if (! (o instanceof OverlayIcon)) return false; + OverlayIcon other = (OverlayIcon) o; + return base.equals(other.base) && Arrays.equals(overlays, other.overlays); + } + + public int hashCode() { + int code = base.hashCode(); + for (int i = 0; i < overlays.length; i++) { + code ^= overlays[i].hashCode(); + } + return code; + } + + + protected void drawCompositeImage(int width, int height) { + drawImage(base.getImageData(), 0, 0); + drawOverlays(overlays, locations); + } + + protected Point getSize() { + return size; + } +} |