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/* PaintTest.java --
Copyright (C) 2006, 2011 Red Hat
This file is part of Mauve.
Mauve is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
Mauve 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 for more details.
You should have received a copy of the GNU General Public License
along with Mauve; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
*/
// Tags: GUI, JDK 1.0
package gnu.testlet.java.awt.Label;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.awt.Color;
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.Insets;
import java.awt.Label;
import java.awt.Panel;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Robot;
/**
* Test if Label could be painted correctly.
*/
public class PaintTest
extends Panel
implements Testlet
{
/**
* Generated serial version UID.
*/
private static final long serialVersionUID = 4737615313184489246L;
/**
* Runs the test using the specified harness.
*
* @param harness the test harness (<code>null</code> not permitted).
*/
public void test(TestHarness harness)
{
setBackground(Color.red);
Frame frame = new Frame();
Label label = new Label("label");
label.setBackground(Color.blue);
add(label);
frame.add(this);
frame.pack();
frame.setVisible(true);
// AWT robot is used for reading pixel colors
// from a screen and also to wait for all
// widgets to stabilize theirs size and position.
Robot robot = harness.createRobot();
// we should wait a moment before the computations
// and pixel checks
robot.waitForIdle();
robot.delay(1000);
Point loc = frame.getLocationOnScreen();
Rectangle bounds = label.getBounds();
Insets i = frame.getInsets();
bounds.x += loc.x + i.left;
bounds.y += loc.y + i.top;
// position of checked pixel
int checkedPixelX = bounds.x + bounds.width / 2;
int checkedPixelY = bounds.y + bounds.height / 2 + 5;
// move the mouse cursor to a tested pixel to show users what's checked
robot.mouseMove(checkedPixelX, checkedPixelY);
robot.waitForIdle();
// check the color of a pixel located in the button center
Color labelColor = robot.getPixelColor(checkedPixelX, checkedPixelY);
harness.check(labelColor.equals(Color.blue));
// There is a delay to avoid any race conditions
// and so user can see frame
robot.waitForIdle();
robot.delay(1000);
// it's necessary to clean up the component from desktop
frame.dispose();
}
@Override
public void paint(Graphics graphics)
{
Image offScr = createImage(getSize().width, getSize().height);
Graphics offG = offScr.getGraphics();
offG.setClip(0, 0, getSize().width, getSize().height);
super.paint(offG);
graphics.drawImage(offScr, 0, 0, null);
offG.dispose();
}
}
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