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/*
* java-gnome, a UI library for writing GTK and GNOME programs from Java!
*
* Copyright © 2010 Operational Dynamics Consulting, Pty Ltd and Others
*
* The code in this file, and the program it is a part of, is made available
* to you by its authors as open source software: you can redistribute it
* and/or modify it under the terms of the GNU General Public License version
* 2 ("GPL") as published by the Free Software Foundation.
*
* This program 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 GPL for more details.
*
* You should have received a copy of the GPL along with this program. If not,
* see http://www.gnu.org/licenses/. The authors of this program may be
* contacted through http://java-gnome.sourceforge.net/.
*/
package org.freedesktop.cairo;
/**
* @author Kenneth Prugh
*/
abstract class IllustrationOperator extends Illustration
{
Context cr;
IllustrationOperator(Class<?> cls, String suffix) {
super(Operator.class, suffix);
surface = new ImageSurface(Format.ARGB32, 100, 100);
cr = new Context(surface);
}
protected void drawOperator(Operator op) {
/* Draw the Destination rectangle */
cr.rectangle(0, 0, 75, 75);
cr.setSource(0.7, 0, 0, 0.8);
cr.fill();
/* Set the Operator */
cr.setOperator(op);
/* Draw the Source Rectangle */
cr.rectangle(40, 40, 75, 75);
cr.setSource(0, 0, 0.9, 0.4);
cr.fill();
}
}
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