russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
104 lines
3.6 KiB
Java
104 lines
3.6 KiB
Java
/*
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* Copyright (c) 1999, 2025, 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.Dimension;
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import java.awt.Font;
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import java.awt.Graphics;
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import java.awt.Graphics2D;
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import java.awt.Rectangle;
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import java.awt.Shape;
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import java.awt.font.GlyphVector;
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import java.awt.geom.Point2D;
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import java.awt.geom.Rectangle2D;
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import javax.swing.JPanel;
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/*
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* @test
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* @bug 4255072
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* @summary Display the outline of a GlyphVector that has overlapping 'O' characters in it.
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* The places where the strokes of the characters cross should be filled in.
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* @library /java/awt/regtesthelpers
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* @build PassFailJFrame
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* @run main/manual TestOutline
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*/
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public final class TestOutline extends JPanel {
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Shape outline;
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public static void main(String[] args) throws Exception {
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final String INSTRUCTIONS = """
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Two overlapping 'O' characters should appear. Pass the test if
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the places where the strokes of the characters cross is filled in.
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Fail it if these places are not filled in.""";
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PassFailJFrame.builder()
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.title("TestOutline Instruction")
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.instructions(INSTRUCTIONS)
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.columns(35)
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.splitUI(TestOutline::new)
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.build()
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.awaitAndCheck();
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}
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@Override
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public Dimension getPreferredSize() {
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return new Dimension(200, 250);
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}
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@Override
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public void paint(Graphics g) {
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Graphics2D g2d = (Graphics2D) g;
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g2d.setColor(Color.WHITE);
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g2d.fillRect(0, 0, getWidth(), getHeight());
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if (outline == null) {
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outline = createLayout(g2d);
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}
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g2d.setColor(Color.BLACK);
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g2d.fill(outline);
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}
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private Shape createLayout(Graphics2D g2d) {
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Font font = new Font(Font.DIALOG, Font.PLAIN, 144);
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GlyphVector gv = font.createGlyphVector(g2d.getFontRenderContext(), "OO");
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gv.performDefaultLayout();
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Point2D pt = gv.getGlyphPosition(1);
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double delta = -pt.getX() / 2.0;
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pt.setLocation(pt.getX() + delta, pt.getY());
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gv.setGlyphPosition(1, pt);
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pt = gv.getGlyphPosition(2);
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pt.setLocation(pt.getX() + delta, pt.getY());
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gv.setGlyphPosition(2, pt);
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Rectangle2D bounds = gv.getLogicalBounds();
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Rectangle d = getBounds();
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float x = (float) ((d.width - bounds.getWidth()) / 2 + bounds.getX());
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float y = (float) ((d.height - bounds.getHeight()) / 2 - bounds.getY());
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System.out.println("loc: " + x + ", " + y);
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return gv.getOutline(x, y);
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}
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}
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