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