119 lines
4.3 KiB
Java
119 lines
4.3 KiB
Java
/*
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* Copyright (c) 2020, 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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import java.awt.Color;
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import java.awt.EventQueue;
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import java.awt.Graphics2D;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.io.IOException;
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import javax.imageio.ImageIO;
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import javax.swing.JSlider;
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import javax.swing.UIManager;
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import javax.swing.UnsupportedLookAndFeelException;
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import javax.swing.plaf.SliderUI;
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import javax.swing.plaf.basic.BasicSliderUI;
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import javax.swing.plaf.metal.DefaultMetalTheme;
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import javax.swing.plaf.metal.MetalLookAndFeel;
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import static java.awt.image.BufferedImage.TYPE_INT_ARGB;
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import static javax.swing.UIManager.getInstalledLookAndFeels;
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/**
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* @test
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* @bug 8256713
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* @key headful
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* @summary The thumb should not touch pixels outside its location.
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*/
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public final class PaintThumbSize {
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private static final int SCALE = 2;
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private static final int SHIFT = 100;
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public static void main(String[] args) throws Exception {
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for (UIManager.LookAndFeelInfo laf : getInstalledLookAndFeels()) {
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EventQueue.invokeAndWait(() -> setLookAndFeel(laf));
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EventQueue.invokeAndWait(PaintThumbSize::test);
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if (laf.getClassName().contains("Metal")) {
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EventQueue.invokeAndWait(() -> {
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System.err.println("\tAdditional theme: DefaultMetalTheme");
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MetalLookAndFeel.setCurrentTheme(new DefaultMetalTheme());
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test();
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});
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}
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}
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}
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private static void test() {
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BufferedImage bi = new BufferedImage(500, 500, TYPE_INT_ARGB);
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Graphics2D g = bi.createGraphics();
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g.setColor(Color.CYAN);
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g.fillRect(0, 0, bi.getWidth(), bi.getHeight());
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g.setColor(Color.BLACK);
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g.scale(SCALE, SCALE);
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g.translate(SHIFT, SHIFT);
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JSlider slider = new JSlider();
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SliderUI ui = slider.getUI();
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if (ui instanceof BasicSliderUI) {
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BasicSliderUI bui = (BasicSliderUI) ui;
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bui.setThumbLocation(0, 0);
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bui.paintThumb(g);
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for (int y = 0; y < bi.getHeight(); ++y) {
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for (int x = 0; x < bi.getWidth(); ++x) {
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if (x >= SHIFT * SCALE && y >= SHIFT * SCALE) {
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continue;
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}
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if (bi.getRGB(x, y) != Color.CYAN.getRGB()) {
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System.err.println("x = " + x);
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System.err.println("y = " + y);
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try {
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ImageIO.write(bi,"png", new File("image.png"));
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} catch (IOException e) {
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e.printStackTrace();
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}
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throw new RuntimeException("Wrong color");
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}
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}
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}
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}
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g.dispose();
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}
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private static void setLookAndFeel(UIManager.LookAndFeelInfo laf) {
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try {
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System.err.println("LookAndFeel: " + laf.getClassName());
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UIManager.setLookAndFeel(laf.getClassName());
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} catch (UnsupportedLookAndFeelException ignored) {
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System.err.println("Unsupported LookAndFeel: " + laf.getClassName());
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} catch (ClassNotFoundException | InstantiationException |
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IllegalAccessException e) {
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throw new RuntimeException(e);
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}
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}
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}
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