Mercurial > projects > dwt-addons
annotate dwtx/jface/viewers/DecorationOverlayIcon.d @ 192:c3583c6ec027
Added missing default cases for switch statements
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Mon, 03 Nov 2008 22:52:26 +0100 |
| parents | 46a6e0e6ccd4 |
| children |
| rev | line source |
|---|---|
| 10 | 1 /******************************************************************************* |
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2 * Copyright (c) 2006, 2008 IBM Corporation and others. |
| 10 | 3 * All rights reserved. This program and the accompanying materials |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module dwtx.jface.viewers.DecorationOverlayIcon; | |
| 14 | |
| 15 import dwtx.jface.viewers.IDecoration; | |
| 16 import dwtx.jface.util.Util; | |
| 17 | |
| 18 // import tango.util.Arrays; | |
| 19 | |
| 20 import dwt.graphics.Image; | |
| 21 import dwt.graphics.ImageData; | |
| 22 import dwt.graphics.Point; | |
| 23 import dwtx.jface.resource.CompositeImageDescriptor; | |
| 24 import dwtx.jface.resource.ImageDescriptor; | |
| 25 | |
| 26 import dwt.dwthelper.utils; | |
| 27 | |
| 28 /** | |
| 29 * A <code>DecorationOverlayIcon</code> is an image descriptor that can be used | |
| 30 * to overlay decoration images on to the 4 corner quadrants of a base image. | |
| 31 * The four quadrants are {@link IDecoration#TOP_LEFT}, {@link IDecoration#TOP_RIGHT}, | |
| 32 * {@link IDecoration#BOTTOM_LEFT} and {@link IDecoration#BOTTOM_RIGHT}. Additionally, | |
| 33 * the overlay can be used to provide an underlay corresponding to {@link IDecoration#UNDERLAY}. | |
| 34 * | |
| 35 * @since 3.3 | |
| 36 * @see IDecoration | |
| 37 */ | |
| 38 public class DecorationOverlayIcon : CompositeImageDescriptor { | |
| 39 | |
| 40 // the base image | |
| 41 private Image base; | |
| 42 | |
| 43 // the overlay images | |
| 44 private ImageDescriptor[] overlays; | |
| 45 | |
| 46 // the size | |
| 47 private Point size; | |
| 48 | |
| 49 /** | |
| 50 * Create the decoration overlay for the base image using the array of | |
| 51 * provided overlays. The indices of the array correspond to the values | |
| 52 * of the 5 overlay constants defined on {@link IDecoration} | |
| 53 * ({@link IDecoration#TOP_LEFT}, {@link IDecoration#TOP_RIGHT}, | |
| 54 * {@link IDecoration#BOTTOM_LEFT}, {@link IDecoration#BOTTOM_RIGHT} | |
| 55 * and{@link IDecoration#UNDERLAY}). | |
| 56 * | |
| 57 * @param baseImage the base image | |
| 58 * @param overlaysArray the overlay images | |
| 59 * @param sizeValue the size of the resulting image | |
| 60 */ | |
| 61 public this(Image baseImage, | |
| 62 ImageDescriptor[] overlaysArray, Point sizeValue) { | |
| 63 this.base = baseImage; | |
| 64 this.overlays = overlaysArray; | |
| 65 this.size = sizeValue; | |
| 66 } | |
| 67 | |
| 68 /** | |
| 69 * Create the decoration overlay for the base image using the array of | |
| 70 * provided overlays. The indices of the array correspond to the values | |
| 71 * of the 5 overlay constants defined on {@link IDecoration} | |
| 72 * ({@link IDecoration#TOP_LEFT}, {@link IDecoration#TOP_RIGHT}, | |
| 73 * {@link IDecoration#BOTTOM_LEFT}, {@link IDecoration#BOTTOM_RIGHT} | |
| 74 * and {@link IDecoration#UNDERLAY}). | |
| 75 * | |
| 76 * @param baseImage the base image | |
| 77 * @param overlaysArray the overlay images | |
| 78 */ | |
| 79 public this(Image baseImage, ImageDescriptor[] overlaysArray) { | |
| 80 this(baseImage, overlaysArray, new Point(baseImage.getBounds().width, baseImage.getBounds().height)); | |
| 81 } | |
| 82 | |
| 83 /** | |
| 84 * Create a decoration overlay icon that will place the given overlay icon in | |
| 85 * the given quadrant of the base image. | |
| 86 * @param baseImage the base image | |
| 87 * @param overlayImage the overlay image | |
| 88 * @param quadrant the quadrant (one of {@link IDecoration} | |
| 89 * ({@link IDecoration#TOP_LEFT}, {@link IDecoration#TOP_RIGHT}, | |
| 90 * {@link IDecoration#BOTTOM_LEFT}, {@link IDecoration#BOTTOM_RIGHT} | |
| 91 * or {@link IDecoration#UNDERLAY}) | |
| 92 */ | |
| 93 public this(Image baseImage, ImageDescriptor overlayImage, int quadrant) { | |
| 94 this(baseImage, createArrayFrom(overlayImage, quadrant)); | |
| 95 } | |
| 96 | |
| 97 /** | |
| 98 * Convert the given image and quadrant into the proper input array. | |
| 99 * @param overlayImage the overlay image | |
| 100 * @param quadrant the quadrant | |
| 101 * @return an array with the given image in the proper quadrant | |
| 102 */ | |
| 103 private static ImageDescriptor[] createArrayFrom( | |
| 104 ImageDescriptor overlayImage, int quadrant) { | |
| 105 ImageDescriptor[] descs = [ cast(ImageDescriptor) null, null, null, null, null ]; | |
| 106 descs[quadrant] = overlayImage; | |
| 107 return descs; | |
| 108 } | |
| 109 | |
| 110 /** | |
| 111 * Draw the overlays for the receiver. | |
| 112 * @param overlaysArray | |
| 113 */ | |
| 114 private void drawOverlays(ImageDescriptor[] overlaysArray) { | |
| 115 | |
| 116 for (int i = 0; i < overlays.length; i++) { | |
| 117 ImageDescriptor overlay = overlaysArray[i]; | |
| 118 if (overlay is null) { | |
| 119 continue; | |
| 120 } | |
| 121 ImageData overlayData = overlay.getImageData(); | |
| 122 //Use the missing descriptor if it is not there. | |
| 123 if (overlayData is null) { | |
| 124 overlayData = ImageDescriptor.getMissingImageDescriptor() | |
| 125 .getImageData(); | |
| 126 } | |
| 127 switch (i) { | |
| 128 case IDecoration.TOP_LEFT: | |
| 129 drawImage(overlayData, 0, 0); | |
| 130 break; | |
| 131 case IDecoration.TOP_RIGHT: | |
| 132 drawImage(overlayData, size.x - overlayData.width, 0); | |
| 133 break; | |
| 134 case IDecoration.BOTTOM_LEFT: | |
| 135 drawImage(overlayData, 0, size.y - overlayData.height); | |
| 136 break; | |
| 137 case IDecoration.BOTTOM_RIGHT: | |
| 138 drawImage(overlayData, size.x - overlayData.width, size.y | |
| 139 - overlayData.height); | |
| 140 break; | |
|
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c3583c6ec027
Added missing default cases for switch statements
Frank Benoit <benoit@tionex.de>
parents:
70
diff
changeset
|
141 default: |
| 10 | 142 } |
| 143 } | |
| 144 } | |
| 145 | |
| 146 /* (non-Javadoc) | |
| 147 * @see java.lang.Object#equals(java.lang.Object) | |
| 148 */ | |
| 149 public override int opEquals(Object o) { | |
| 150 if (!( cast(DecorationOverlayIcon)o )) { | |
| 151 return false; | |
| 152 } | |
| 153 DecorationOverlayIcon other = cast(DecorationOverlayIcon) o; | |
| 154 return base.opEquals(other.base) | |
| 155 && Util.opEquals(overlays, other.overlays); | |
| 156 } | |
| 157 | |
| 158 /* (non-Javadoc) | |
| 159 * @see java.lang.Object#hashCode() | |
| 160 */ | |
| 161 public override hash_t toHash() { | |
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parents:
43
diff
changeset
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162 int code = System.identityHashCode(base); |
| 10 | 163 for (int i = 0; i < overlays.length; i++) { |
| 164 if (overlays[i] !is null) { | |
| 165 code ^= overlays[i].toHash(); | |
| 166 } | |
| 167 } | |
| 168 return code; | |
| 169 } | |
| 170 | |
| 171 /* (non-Javadoc) | |
| 172 * @see dwtx.jface.resource.CompositeImageDescriptor#drawCompositeImage(int, int) | |
| 173 */ | |
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174 protected override void drawCompositeImage(int width, int height) { |
| 10 | 175 if (overlays.length > IDecoration.UNDERLAY) { |
| 176 ImageDescriptor underlay = overlays[IDecoration.UNDERLAY]; | |
| 177 if (underlay !is null) { | |
| 178 drawImage(underlay.getImageData(), 0, 0); | |
| 179 } | |
| 180 } | |
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46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
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181 if (overlays.length > IDecoration.REPLACE && overlays[IDecoration.REPLACE] !is null) { |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
182 drawImage(overlays[IDecoration.REPLACE].getImageData(), 0, 0); |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
183 } else { |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
184 drawImage(base.getImageData(), 0, 0); |
|
46a6e0e6ccd4
Merge with d-fied sources of 3.4M7
Frank Benoit <benoit@tionex.de>
parents:
43
diff
changeset
|
185 } |
| 10 | 186 drawOverlays(overlays); |
| 187 } | |
| 188 | |
| 189 /* (non-Javadoc) | |
| 190 * @see dwtx.jface.resource.CompositeImageDescriptor#getSize() | |
| 191 */ | |
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43
ea8ff534f622
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Frank Benoit <benoit@tionex.de>
parents:
10
diff
changeset
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192 protected override Point getSize() { |
| 10 | 193 return size; |
| 194 } | |
| 195 | |
| 196 /* (non-Javadoc) | |
| 197 * @see dwtx.jface.resource.CompositeImageDescriptor#getTransparentPixel() | |
| 198 */ | |
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43
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Fix override and super aliases
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parents:
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diff
changeset
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199 protected override int getTransparentPixel() { |
| 10 | 200 return base.getImageData().transparentPixel; |
| 201 } | |
| 202 | |
| 203 } |