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/*
* Copyright (c) 2007, 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 6263951
* @summary Text should be B&W, grayscale, and LCD.
* @run main/manual=yesno TextAAHintsTest
*/
import java.awt.*;
import java.awt.geom.*;
import java.awt.image.*;
public class TextAAHintsTest extends Component {
String black = "This text should be solid black";
String gray = "This text should be gray scale anti-aliased";
String lcd = "This text should be LCD sub-pixel text (coloured).";
public void paint(Graphics g) {
Graphics2D g2d = (Graphics2D)g.create();
g2d.setColor(Color.white);
g2d.fillRect(0,0,getSize().width, getSize().height);
drawText(g.create(0, 0, 500, 100));
bufferedImageText(g.create(0, 100, 500, 100));
volatileImageText(g.create(0, 200, 500, 100));
}
private void drawText(Graphics g) {
Graphics2D g2d = (Graphics2D)g;
g2d.setColor(Color.white);
g2d.fillRect(0,0,500,100);
g2d.setColor(Color.black);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
g2d.drawString(black, 10, 20);
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_GASP);
g2d.drawString(black, 10, 35);
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_DEFAULT);
g2d.drawString(gray, 10, 50);
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
g2d.drawString(gray, 10, 65);
/* For visual comparison, render grayscale with graphics AA off */
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_OFF);
g2d.drawString(gray, 10, 80);
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
RenderingHints.VALUE_TEXT_ANTIALIAS_LCD_HRGB);
g2d.drawString(lcd, 10, 95);
}
public void bufferedImageText(Graphics g) {
BufferedImage bi =
new BufferedImage(500, 100, BufferedImage.TYPE_INT_RGB);
Graphics2D g2d = bi.createGraphics();
drawText(g2d);
g.drawImage(bi, 0, 0, null);
}
public VolatileImage getVolatileImage(int w, int h) {
VolatileImage image;
try {
image = createVolatileImage(w, h, new ImageCapabilities(true));
} catch (AWTException e) {
System.out.println(e);
System.out.println("Try creating non-accelerated VI instead.");
try {
image = createVolatileImage(w, h,
new ImageCapabilities(false));
} catch (AWTException e1) {
System.out.println("Skipping volatile image test.");
image = null;
}
}
return image;
}
public void volatileImageText(Graphics g) {
VolatileImage image = getVolatileImage(500, 100);
if (image == null) {
return;
}
boolean painted = false;
while (!painted) {
int status = image.validate(getGraphicsConfiguration());
if (status == VolatileImage.IMAGE_INCOMPATIBLE) {
image = getVolatileImage(500, 100);
if (image == null) {
return;
}
}
drawText(image.createGraphics());
g.drawImage(image, 0, 0, null);
painted = !image.contentsLost();
System.out.println("painted = " + painted);
}
}
public Dimension getPreferredSize() {
return new Dimension(500,300);
}
public static void main(String[] args) throws Exception {
Frame f = new Frame("Composite and Text Test");
f.add(new TextAAHintsTest(), BorderLayout.CENTER);
f.pack();
f.setVisible(true);
}
}
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