com.sun.webkit.graphics.WCPageBackBuffer Maven / Gradle / Ivy
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
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package com.sun.webkit.graphics;
public abstract class WCPageBackBuffer extends Ref {
public abstract WCGraphicsContext createGraphics();
public abstract void disposeGraphics(WCGraphicsContext gc);
public abstract void flush(WCGraphicsContext gc, int x, int y, int w, int h);
protected abstract void copyArea(int x, int y, int w, int h, int dx, int dy);
/**
* @returs {@code false} if full page repaint is needed after the validation,
* {@code true} otherwise
*/
public abstract boolean validate(int width, int height);
}