149 lines
6.1 KiB
Java
149 lines
6.1 KiB
Java
/*
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* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 7124282
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* @key headful
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* @requires (os.family == "mac")
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* @summary Checks whether the JTable's focus ring color's RGB color
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* diff with selectionBackground is greater in comparison to original
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* focus ring (represented by 'Table.cellFocusRing' property in Aqua LAF
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* UIDefaults).
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* @run main JTableFocusRingTest
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*/
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import java.awt.Color;
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import java.util.Arrays;
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import javax.swing.plaf.BorderUIResource.LineBorderUIResource;
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import javax.swing.SwingUtilities;
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import javax.swing.UIManager;
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import javax.swing.UnsupportedLookAndFeelException;
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public class JTableFocusRingTest {
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public static void main(String[] args) throws Exception{
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try {
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UIManager.setLookAndFeel("com.apple.laf.AquaLookAndFeel");
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} catch (ClassNotFoundException | InstantiationException |
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IllegalAccessException | UnsupportedLookAndFeelException e) {
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throw new RuntimeException("Unsupported Look&Feel Class");
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}
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SwingUtilities.invokeAndWait(() -> {
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float[] bckRGB = new float[3];
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float[] oldCellRingRGB = new float[3];
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float[] newCellRingRGB = new float[3];
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Color selectionBck = null;
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Color originalRingColor = null;
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Color newRingColor = null;
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// saturation threshold for grayish colors
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float satGrayScale = 0.10f;
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if (UIManager.getDefaults().get("Table.selectionBackground") != null
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&& UIManager.getDefaults().get("Table.selectionBackground")
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instanceof Color) {
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selectionBck = (Color) UIManager.getDefaults()
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.get("Table.selectionBackground");
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}
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if (UIManager.getDefaults().get("Table.cellFocusRing") != null
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&& UIManager.getDefaults().get("Table.cellFocusRing")
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instanceof Color) {
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originalRingColor = (Color) UIManager.getDefaults().get("Table.cellFocusRing");
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}
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if (UIManager.getDefaults()
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.get("Table.focusCellHighlightBorder") != null &&
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UIManager.getDefaults().get("Table.focusCellHighlightBorder")
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instanceof LineBorderUIResource) {
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LineBorderUIResource cellFocusBorderObj = (LineBorderUIResource)
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UIManager.getDefaults().get("Table.focusCellHighlightBorder");
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newRingColor = cellFocusBorderObj.getLineColor();
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}
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if (selectionBck == null || originalRingColor == null ||
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newRingColor == null) {
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throw new RuntimeException("One or more color values are null");
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}
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System.out.println(UIManager.getLookAndFeel().toString());
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System.out.println("Selection Background Color: "
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+ selectionBck.toString());
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System.out.println("Original FocusRing Color: "
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+ originalRingColor.toString());
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System.out.println("Brighter FocusRing Color: "
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+ newRingColor.toString());
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int redValue = originalRingColor.getRed();
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int greenValue = originalRingColor.getGreen();
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int blueValue = originalRingColor.getBlue();
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float[] hsbValues = new float[3];
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Color.RGBtoHSB(redValue, greenValue, blueValue, hsbValues);
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System.out.println("Original Focus Ring Hue, Saturation and" +
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" Brightness: "+ Arrays.toString(hsbValues));
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// Edge case - Original Focus ring color: WHITE/BLACK/GRAY
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if (((hsbValues[0] == 0 && hsbValues[1] == 0)
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|| hsbValues[1] <= satGrayScale) &&
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newRingColor.equals(Color.LIGHT_GRAY)) {
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System.out.println("Original Focus ring color:" +
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"WHITE/BLACK/GRAYISH, Cell Focus Ring Color: LIGHT GRAY");
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System.out.println("Test case passed");
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return;
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}
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selectionBck.getRGBColorComponents(bckRGB);
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originalRingColor.getRGBColorComponents(oldCellRingRGB);
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newRingColor.getRGBColorComponents(newCellRingRGB);
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float originalRGBDiff = calculateRGBDiff(oldCellRingRGB, bckRGB);
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float brighterRGBDiff = calculateRGBDiff(newCellRingRGB, bckRGB);
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System.out.println("Original RGB Diff: "+ originalRGBDiff);
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System.out.println("Brighter RGB Diff: "+ brighterRGBDiff);
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if (brighterRGBDiff <= originalRGBDiff) {
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throw new RuntimeException("Cell Focus Ring Not Visible");
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}
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});
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}
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/* calculates the difference between individual RGB components of 2 colors
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and returns the total difference. A higher RGB difference is preferred
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for a prominent cell highlighter */
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private static float calculateRGBDiff(float[] focusRingRGB, float[] bckRGB) {
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float totalRGBDiff = 0;
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for (int i=0; i< focusRingRGB.length; i++) {
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totalRGBDiff += Math.abs(focusRingRGB[i] - bckRGB[i]);
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}
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return totalRGBDiff;
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}
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} |