76 lines
2.5 KiB
Java
76 lines
2.5 KiB
Java
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/*
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* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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import javax.swing.*;
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import java.awt.*;
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import java.awt.image.BufferedImage;
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/**
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* <p>This class contains utilities useful for regression testing.
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* <p>When using jtreg you would include this class via something like:
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* <pre>
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*
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* @library ../../regtesthelpers
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* @build Util
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* </pre>
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*/
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public class Util {
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/**
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* Convert a rectangle from coordinate system of Component c to
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* screen coordinate system.
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*
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* @param r a non-null Rectangle
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* @param c a Component whose coordinate system is used for conversion
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*/
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public static void convertRectToScreen(Rectangle r, Component c) {
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Point p = new Point(r.x, r.y);
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SwingUtilities.convertPointToScreen(p, c);
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r.x = p.x;
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r.y = p.y;
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}
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/**
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* Compares two bufferedImages pixel-by-pixel.
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* return true if all pixels in the two areas are identical
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*/
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public static boolean compareBufferedImages(BufferedImage bufferedImage0, BufferedImage bufferedImage1) {
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int width = bufferedImage0.getWidth();
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int height = bufferedImage0.getHeight();
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if (width != bufferedImage1.getWidth() || height != bufferedImage1.getHeight()) {
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return false;
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}
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for (int y = 0; y < height; y++) {
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for (int x = 0; x < width; x++) {
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if (bufferedImage0.getRGB(x, y) != bufferedImage1.getRGB(x, y)) {
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return false;
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}
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}
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}
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return true;
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}
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}
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