98 lines
3.4 KiB
Java
98 lines
3.4 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 4532352
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* @summary This test verifies that the specified background color is rendered
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* in the special case of:
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* Graphics.drawImage(Image img, int dx1, int dy1, int dx2, int dy2,
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* int sx1, int sy1, int sx2, int sy2,
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* Color bgColor, ImageObserver observer)
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* where no scaling takes place because the source and destination
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* bounds have the same width and height.
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*/
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import java.io.File;
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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 javax.imageio.ImageIO;
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public class DrawImageBgTest {
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public static void main(String argv[]) throws Exception {
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int dx, dy, dw, dh;
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int sx, sy, sw, sh;
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int iw = 250, ih = 250;
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String sep = System.getProperty("file.separator");
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String dir = System.getProperty("test.src", ".");
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String prefix = dir+sep;
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BufferedImage img = ImageIO.read(new File(prefix + "duke.gif"));
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BufferedImage dest = new BufferedImage(iw, ih, BufferedImage.TYPE_INT_RGB);
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Graphics2D g = dest.createGraphics();
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g.setColor(Color.blue);
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g.fillRect(0, 0, iw, ih);
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// source and destination dimensions are different, results in scaling
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dx = 10;
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dy = 10;
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dw = 100;
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dh = 200;
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sx = 10;
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sy = 10;
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sw = 50;
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sh = 100;
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g.drawImage(img,
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dx, dy, dx + dw, dy + dh,
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sx, sy, sx + sw, sy + sh,
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Color.yellow, null);
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int pix1 = dest.getRGB(dx + 1, dy + 1);
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// source and destination dimensions are the same, no scaling
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dx = 120;
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dy = 10;
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sx = 10;
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sy = 10;
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sw = dw = 50;
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sh = dh = 100;
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g.drawImage(img,
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dx, dy, dx + dw, dy + dh,
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sx, sy, sx + sw, sy + sh,
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Color.yellow, null);
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int pix2 = dest.getRGB(dx + 1, dy + 1);
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int yellow = Color.yellow.getRGB();
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if (pix1 != yellow || pix2 != yellow) {
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ImageIO.write(dest, "gif", new File("op.gif"));
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throw new RuntimeException("pix1=" + Integer.toHexString(pix1) +
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" pix2=" + Integer.toHexString(pix2));
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}
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}
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}
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