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/*
* Copyright (c) 2002, 2024, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* 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).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 4673490
* @summary This test verifies that Toolkit images with a 1-bit
* IndexColorModel (known as ByteBinary) and a transparent index are rendered properly.
*/
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.awt.image.IndexColorModel;
public class ByteBinaryBitmask {
public static void main(String argv[]) throws Exception {
/* Create the image */
int w = 16, h = 16;
byte[] bw = { (byte)255, (byte)0, };
IndexColorModel icm = new IndexColorModel(1, 2, bw, bw, bw, 0);
BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_BYTE_BINARY, icm);
Graphics2D g2d = img.createGraphics();
g2d.setColor(Color.white);
g2d.fillRect(0, 0, w, h);
g2d.setColor(Color.black);
int xoff = 5;
g2d.fillRect(xoff, 5, 1, 10); // 1 pixel wide
int dw = 200, dh = 50;
BufferedImage dest = new BufferedImage(dw, dh, BufferedImage.TYPE_INT_RGB);
Graphics2D g = dest.createGraphics();
g.setColor(Color.green);
g.fillRect(0, 0, dw, dh);
int x1 = 10;
int x2 = 50;
int x3 = 90;
int x4 = 130;
g.drawImage(img, x1, 10, null);
g.drawImage(img, x2, 10, null);
g.drawImage(img, x3, 10, null);
g.drawImage(img, x4, 10, null);
int blackPix = Color.black.getRGB();
for (int y = 0; y < dh; y++) {
boolean isBlack = false;
for (int x = 0; x < dw; x++) {
int rgb = dest.getRGB(x, y);
if (rgb == blackPix) {
/* Src image has a one pixel wide vertical rect at off "xoff" and
* this is drawn at x1/x2/x3/x4) so the sum of those are the x locations
* to expect black.
*/
if (x != (x1 + xoff) && x != (x2 + xoff) && x != (x3 + xoff) && x!= (x4 + xoff)) {
throw new RuntimeException("wrong x location: " +x);
}
if (isBlack) {
throw new RuntimeException("black after black");
}
}
isBlack = rgb == blackPix;
}
}
}
}
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