You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
63 lines
2.3 KiB
63 lines
2.3 KiB
/* |
|
* Copyright (c) 2009, 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. |
|
*/ |
|
import java.awt.*; |
|
import java.awt.geom.Ellipse2D; |
|
import java.awt.image.BufferedImage; |
|
import java.io.File; |
|
import javax.imageio.ImageIO; |
|
|
|
/** |
|
* @author chrisn@google.com (Chris Nokleberg) |
|
* @author yamauchi@google.com (Hiroshi Yamauchi) |
|
*/ |
|
public class ThinLineTest { |
|
private static final int PIXEL = 381; |
|
|
|
public static void main(String[] args) throws Exception { |
|
BufferedImage image = new BufferedImage(200, 200, BufferedImage.TYPE_INT_RGB); |
|
Graphics2D g = image.createGraphics(); |
|
|
|
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); |
|
g.setPaint(Color.WHITE); |
|
g.fill(new Rectangle(image.getWidth(), image.getHeight())); |
|
|
|
g.scale(0.5 / PIXEL, 0.5 / PIXEL); |
|
g.setPaint(Color.BLACK); |
|
g.setStroke(new BasicStroke(PIXEL)); |
|
g.draw(new Ellipse2D.Double(PIXEL * 50, PIXEL * 50, PIXEL * 300, PIXEL * 300)); |
|
|
|
// To visually check it |
|
//ImageIO.write(image, "PNG", new File(args[0])); |
|
|
|
boolean nonWhitePixelFound = false; |
|
for (int x = 0; x < 200; ++x) { |
|
if (image.getRGB(x, 100) != Color.WHITE.getRGB()) { |
|
nonWhitePixelFound = true; |
|
break; |
|
} |
|
} |
|
if (!nonWhitePixelFound) { |
|
throw new RuntimeException("The thin line disappeared."); |
|
} |
|
} |
|
}
|
|
|