Mercurial > projects > dwt-addons
view dwtx/jface/resource/RGBColorDescriptor.d @ 8:a3ff22a98bef
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author | Frank Benoit <benoit@tionex.de> |
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date | Sat, 29 Mar 2008 01:25:27 +0100 |
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children | ea8ff534f622 |
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/******************************************************************************* * Copyright (c) 2004, 2006 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 * * Contributors: * IBM Corporation - initial API and implementation * Port to the D programming language: * Frank Benoit <benoit@tionex.de> *******************************************************************************/ module dwtx.jface.resource.RGBColorDescriptor; import dwtx.jface.resource.ColorDescriptor; import dwt.graphics.Color; import dwt.graphics.Device; import dwt.graphics.RGB; import dwt.dwthelper.utils; /** * Describes a color by its RGB values. * * @since 3.1 */ class RGBColorDescriptor : ColorDescriptor { private RGB color; /** * Color being copied, or null if none */ private Color originalColor = null; /** * Creates a new RGBColorDescriptor given some RGB values * * @param color RGB values (not null) */ public this(RGB color) { this.color = color; } /** * Creates a new RGBColorDescriptor that describes an existing color. * * @since 3.1 * * @param originalColor a color to describe */ public this(Color originalColor) { this(originalColor.getRGB()); this.originalColor = originalColor; } /* (non-Javadoc) * @see java.lang.Object#equals(java.lang.Object) */ public override int opEquals(Object obj) { if ( auto other = cast(RGBColorDescriptor)obj ) { return other.color.opEquals(color) && other.originalColor is originalColor; } return false; } /* (non-Javadoc) * @see java.lang.Object#hashCode() */ public override hash_t toHash() { return color.toHash(); } /* (non-Javadoc) * @see dwtx.jface.resources.ColorDescriptor#createColor() */ public Color createColor(Device device) { // If this descriptor is wrapping an existing color, then we can return the original color // if this is the same device. if (originalColor !is null) { // If we're allocating on the same device as the original color, return the original. if (originalColor.getDevice() is device) { return originalColor; } } return new Color(device, color); } /* (non-Javadoc) * @see dwtx.jface.resource.ColorDescriptor#destroyColor(dwt.graphics.Color) */ public void destroyColor(Color toDestroy) { if (toDestroy is originalColor) { return; } toDestroy.dispose(); } }