diff dwt/graphics/Drawable.d @ 0:380af2bdd8e5

Upload of whole dwt tree
author Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
date Sat, 09 Aug 2008 17:00:02 +0200
parents
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
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+/*******************************************************************************
+ * 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);
+
+}