Mercurial > projects > dwt-mac
diff dwt/graphics/Drawable.d @ 0:380af2bdd8e5
Upload of whole dwt tree
author | Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com> |
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date | Sat, 09 Aug 2008 17:00:02 +0200 |
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children | e831403a80a9 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dwt/graphics/Drawable.d Sat Aug 09 17:00:02 2008 +0200 @@ -0,0 +1,65 @@ +/******************************************************************************* + * Copyright (c) 2000, 2004 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 + *******************************************************************************/ +module dwt.graphics.Drawable; + +import dwt.dwthelper.utils; + + +/** + * Implementers of <code>Drawable</code> can have a graphics context (GC) + * created for them, and then they can be drawn on by sending messages to + * their associated GC. DWT images, and device objects such as the Display + * device and the Printer device, are drawables. + * <p> + * <b>IMPORTANT:</b> This class is <em>not</em> part of the DWT + * public API. It is marked public only so that it can be shared + * within the packages provided by DWT. It should never be + * referenced from application code. + * </p> + * + * @see Device + * @see Image + * @see GC + */ +public interface Drawable { + +/** + * Invokes platform specific functionality to allocate a new GC handle. + * <p> + * <b>IMPORTANT:</b> This method is <em>not</em> part of the public + * API for <code>Drawable</code>. It is marked public only so that it + * can be shared within the packages provided by DWT. It is not + * available on all platforms, and should never be called from + * application code. + * </p> + * + * @param data the platform specific GC data + * @return the platform specific GC handle + */ + +public int /*long*/ internal_new_GC (GCData data); + +/** + * Invokes platform specific functionality to dispose a GC handle. + * <p> + * <b>IMPORTANT:</b> This method is <em>not</em> part of the public + * API for <code>Drawable</code>. It is marked public only so that it + * can be shared within the packages provided by DWT. It is not + * available on all platforms, and should never be called from + * application code. + * </p> + * + * @param handle the platform specific GC handle + * @param data the platform specific GC data + */ +public void internal_dispose_GC (int /*long*/ handle, GCData data); + +}