1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149
|
/*
* Copyright (c) 2022, 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 7124282
* @key headful
* @requires (os.family == "mac")
* @summary Checks whether the JTable's focus ring color's RGB color
* diff with selectionBackground is greater in comparison to original
* focus ring (represented by 'Table.cellFocusRing' property in Aqua LAF
* UIDefaults).
* @run main JTableFocusRingTest
*/
import java.awt.Color;
import java.util.Arrays;
import javax.swing.plaf.BorderUIResource.LineBorderUIResource;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
public class JTableFocusRingTest {
public static void main(String[] args) throws Exception{
try {
UIManager.setLookAndFeel("com.apple.laf.AquaLookAndFeel");
} catch (ClassNotFoundException | InstantiationException |
IllegalAccessException | UnsupportedLookAndFeelException e) {
throw new RuntimeException("Unsupported Look&Feel Class");
}
SwingUtilities.invokeAndWait(() -> {
float[] bckRGB = new float[3];
float[] oldCellRingRGB = new float[3];
float[] newCellRingRGB = new float[3];
Color selectionBck = null;
Color originalRingColor = null;
Color newRingColor = null;
// saturation threshold for grayish colors
float satGrayScale = 0.10f;
if (UIManager.getDefaults().get("Table.selectionBackground") != null
&& UIManager.getDefaults().get("Table.selectionBackground")
instanceof Color) {
selectionBck = (Color) UIManager.getDefaults()
.get("Table.selectionBackground");
}
if (UIManager.getDefaults().get("Table.cellFocusRing") != null
&& UIManager.getDefaults().get("Table.cellFocusRing")
instanceof Color) {
originalRingColor = (Color) UIManager.getDefaults().get("Table.cellFocusRing");
}
if (UIManager.getDefaults()
.get("Table.focusCellHighlightBorder") != null &&
UIManager.getDefaults().get("Table.focusCellHighlightBorder")
instanceof LineBorderUIResource) {
LineBorderUIResource cellFocusBorderObj = (LineBorderUIResource)
UIManager.getDefaults().get("Table.focusCellHighlightBorder");
newRingColor = cellFocusBorderObj.getLineColor();
}
if (selectionBck == null || originalRingColor == null ||
newRingColor == null) {
throw new RuntimeException("One or more color values are null");
}
System.out.println(UIManager.getLookAndFeel().toString());
System.out.println("Selection Background Color: "
+ selectionBck.toString());
System.out.println("Original FocusRing Color: "
+ originalRingColor.toString());
System.out.println("Brighter FocusRing Color: "
+ newRingColor.toString());
int redValue = originalRingColor.getRed();
int greenValue = originalRingColor.getGreen();
int blueValue = originalRingColor.getBlue();
float[] hsbValues = new float[3];
Color.RGBtoHSB(redValue, greenValue, blueValue, hsbValues);
System.out.println("Original Focus Ring Hue, Saturation and" +
" Brightness: "+ Arrays.toString(hsbValues));
// Edge case - Original Focus ring color: WHITE/BLACK/GRAY
if (((hsbValues[0] == 0 && hsbValues[1] == 0)
|| hsbValues[1] <= satGrayScale) &&
newRingColor.equals(Color.LIGHT_GRAY)) {
System.out.println("Original Focus ring color:" +
"WHITE/BLACK/GRAYISH, Cell Focus Ring Color: LIGHT GRAY");
System.out.println("Test case passed");
return;
}
selectionBck.getRGBColorComponents(bckRGB);
originalRingColor.getRGBColorComponents(oldCellRingRGB);
newRingColor.getRGBColorComponents(newCellRingRGB);
float originalRGBDiff = calculateRGBDiff(oldCellRingRGB, bckRGB);
float brighterRGBDiff = calculateRGBDiff(newCellRingRGB, bckRGB);
System.out.println("Original RGB Diff: "+ originalRGBDiff);
System.out.println("Brighter RGB Diff: "+ brighterRGBDiff);
if (brighterRGBDiff <= originalRGBDiff) {
throw new RuntimeException("Cell Focus Ring Not Visible");
}
});
}
/* calculates the difference between individual RGB components of 2 colors
and returns the total difference. A higher RGB difference is preferred
for a prominent cell highlighter */
private static float calculateRGBDiff(float[] focusRingRGB, float[] bckRGB) {
float totalRGBDiff = 0;
for (int i=0; i< focusRingRGB.length; i++) {
totalRGBDiff += Math.abs(focusRingRGB[i] - bckRGB[i]);
}
return totalRGBDiff;
}
}
|