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8165213: [TESTBUG] [PIT] consistent failure of a new regtest for 8163193

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Reviewed-by: psadhukhan, serb
This commit is contained in:
Shashidhara Veerabhadraiah 2017-07-06 16:45:56 +05:30 committed by Ajit Ghaisas
parent 3730163d9d
commit ec836d6692
1 changed files with 44 additions and 14 deletions
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58
jdk/test/javax/swing/plaf/metal/MetalGradient/8163193/ButtonGradientTest.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2016, 2017, 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
@ -21,13 +21,17 @@
* questions.
*/
import java.awt.BorderLayout;
import java.awt.Image;
import java.awt.Robot;
import java.awt.Rectangle;
import java.awt.Color;
import java.awt.Point;
import java.awt.Dimension;
import java.awt.GradientPaint;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.BorderLayout;
import java.awt.image.BufferedImage;
import java.awt.image.MultiResolutionImage;
import java.util.List;
import javax.swing.JButton;
import javax.swing.JFrame;
@ -38,18 +42,20 @@ import javax.swing.plaf.metal.MetalLookAndFeel;
/*
* @test
* @bug 8163193
* @bug 8163193 8165213
* @key headful
* @summary Metal L&F gradient is lighter on HiDPI display
* @run main/othervm -Dsun.java2d.uiScale=2 ButtonGradientTest
*/
public class ButtonGradientTest {
private static JFrame frame;
private static JButton button;
private static List<Image> images;
private static Robot robot;
public static void main(String[] args) throws Exception {
try {
robot = new Robot();
testGradient();
} finally {
SwingUtilities.invokeAndWait(() -> {
@ -61,11 +67,10 @@ public class ButtonGradientTest {
}
private static void testGradient() throws Exception {
Robot robot = new Robot();
robot.setAutoDelay(50);
// Create and show the GUI
SwingUtilities.invokeAndWait(ButtonGradientTest::createAndShowGUI);
robot.waitForIdle();
robot.delay(500);
Rectangle rect = getButtonBounds();
List<?> gradient = (List) UIManager.get("Button.gradient");
@ -73,11 +78,15 @@ public class ButtonGradientTest {
Color c1 = (Color) gradient.get(2);
Color c2 = (Color) gradient.get(3);
int mid = (int) (ratio * rect.height);
// Get the expected gradient color
Color gradientColor = getGradientColor(rect.width, mid, c1, c2);
// Get color from robot captured hidpi image of the button
getImageFromRobot();
int x = rect.x + rect.width / 2;
int y = rect.y + mid / 2;
Color buttonColor = robot.getPixelColor(x, y);
Color buttonColor = new Color(((BufferedImage)(images.get(1))).getRGB(
(int)(x), (int)(y)));
if (!similarColors(buttonColor, gradientColor)) {
throw new RuntimeException("Button gradient is changed!");
@ -103,6 +112,26 @@ public class ButtonGradientTest {
frame.setVisible(true);
}
private static void getImageFromRobot() {
try {
Point butLoc = button.getLocationOnScreen();
Dimension butSize = button.getSize();
MultiResolutionImage multiResolutionImage =
robot.createMultiResolutionScreenCapture(
new Rectangle((int)butLoc.getX(),
(int)butLoc.getY(), (int)butSize.getWidth(),
(int)butSize.getHeight()));
images = multiResolutionImage.getResolutionVariants();
} catch (Exception e) {
throw new RuntimeException(e);
}
if(images.size() < 2) {
throw new RuntimeException("HiDpi Image not captured - " +
"Check is this HiDpi display system?");
}
}
private static Rectangle getButtonBounds() throws Exception {
Rectangle[] rectangles = new Rectangle[1];
SwingUtilities.invokeAndWait(() -> {
@ -113,7 +142,8 @@ public class ButtonGradientTest {
}
private static Color getGradientColor(int w, int h, Color c1, Color c2) {
GradientPaint gradient = new GradientPaint(0, 0, c1, 0, h, c2, true);
GradientPaint gradient = new GradientPaint(0, 0, c1, 0, h, c2,
true);
BufferedImage img = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
Graphics2D g = img.createGraphics();
g.setPaint(gradient);
@ -129,6 +159,6 @@ public class ButtonGradientTest {
}
private static boolean similar(int i1, int i2) {
return Math.abs(i2 - i1) < 7;
return Math.abs(i2 - i1) < 6;
}
}
}