| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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 |
| *******************************************************************************/ |
| package org.eclipse.swt.graphics; |
| |
| |
| /** |
| * 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. SWT images, and device objects such as the Display |
| * device and the Printer device, are drawables. |
| * <p> |
| * <b>IMPORTANT:</b> This interface is <em>not</em> part of the SWT |
| * public API. It is marked public only so that it can be shared |
| * within the packages provided by SWT. 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 SWT. 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 |
| * |
| * @noreference This method is not intended to be referenced by clients. |
| */ |
| |
| public long /*int*/ 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 SWT. 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 |
| * |
| * @noreference This method is not intended to be referenced by clients. |
| */ |
| public void internal_dispose_GC (long /*int*/ handle, GCData data); |
| |
| } |