89 lines
3.3 KiB
Java
89 lines
3.3 KiB
Java
/*
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* Copyright (c) 2002, 2024, 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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/*
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* @test
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* @bug 4673490
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* @summary This test verifies that Toolkit images with a 1-bit
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* IndexColorModel (known as ByteBinary) and a transparent index are rendered properly.
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*/
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import java.awt.Color;
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import java.awt.Graphics2D;
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import java.awt.image.BufferedImage;
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import java.awt.image.IndexColorModel;
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public class ByteBinaryBitmask {
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public static void main(String argv[]) throws Exception {
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/* Create the image */
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int w = 16, h = 16;
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byte[] bw = { (byte)255, (byte)0, };
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IndexColorModel icm = new IndexColorModel(1, 2, bw, bw, bw, 0);
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BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_BYTE_BINARY, icm);
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Graphics2D g2d = img.createGraphics();
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g2d.setColor(Color.white);
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g2d.fillRect(0, 0, w, h);
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g2d.setColor(Color.black);
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int xoff = 5;
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g2d.fillRect(xoff, 5, 1, 10); // 1 pixel wide
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int dw = 200, dh = 50;
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BufferedImage dest = new BufferedImage(dw, dh, BufferedImage.TYPE_INT_RGB);
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Graphics2D g = dest.createGraphics();
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g.setColor(Color.green);
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g.fillRect(0, 0, dw, dh);
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int x1 = 10;
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int x2 = 50;
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int x3 = 90;
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int x4 = 130;
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g.drawImage(img, x1, 10, null);
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g.drawImage(img, x2, 10, null);
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g.drawImage(img, x3, 10, null);
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g.drawImage(img, x4, 10, null);
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int blackPix = Color.black.getRGB();
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for (int y = 0; y < dh; y++) {
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boolean isBlack = false;
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for (int x = 0; x < dw; x++) {
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int rgb = dest.getRGB(x, y);
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if (rgb == blackPix) {
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/* Src image has a one pixel wide vertical rect at off "xoff" and
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* this is drawn at x1/x2/x3/x4) so the sum of those are the x locations
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* to expect black.
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*/
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if (x != (x1 + xoff) && x != (x2 + xoff) && x != (x3 + xoff) && x!= (x4 + xoff)) {
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throw new RuntimeException("wrong x location: " +x);
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}
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if (isBlack) {
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throw new RuntimeException("black after black");
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}
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}
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isBlack = rgb == blackPix;
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}
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}
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}
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}
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