/*
* Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
* ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*
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*/
package com.sun.prism;
import com.sun.javafx.geom.
Rectangle;
public interface
Presentable extends
RenderTarget {
/**
* Locks any underlying resources needed for a createGraphics/prepare/present
* sequence and returns a boolean indicating if the presentable needs to be
* recreated.
* If the method returns true and the Presentable implements
* {@link GraphicsResource} then its {@code dispose()} method will be
* called prior to recreating a new {@code Presentable} object and
* so no resource should need to be locked in that case.
* The resources will be unlocked in either {@link #prepare()} or
* {@link #present()}.
*
* @param pState The presentation state for the upcoming pulse
* @return true if the caller should recreate the Presentable
*/
public boolean
lockResources(
PresentableState pState);
/**
* display the indicated region to the user.
* @param dirtyregion display region or null for full area
* @return true if the provided region was successfully displayed,
* false otherwise
*/
public boolean
prepare(
Rectangle dirtyregion);
/**
* present the prepared region to the user.
*/
public boolean
present();
public float
getPixelScaleFactor();
}