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.
121 lines
3.9 KiB
Java
121 lines
3.9 KiB
Java
/*
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* Copyright (c) 2002, 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.RenderingHints;
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import java.awt.font.GlyphVector;
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import java.awt.font.FontRenderContext;
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import java.awt.geom.AffineTransform;
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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 4615017
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* @summary Display two GlyphVectors, and ensure they are of the same length.
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* @library /java/awt/regtesthelpers
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* @build PassFailJFrame
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* @run main/manual TestGlyphVectorLayout
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*/
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public class TestGlyphVectorLayout extends JPanel {
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private final Font font;
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private final FontRenderContext frc;
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private final String text;
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private GlyphVector aftergv;
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private Rectangle pbounds;
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private Rectangle2D vbounds;
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public static void main(String[] args) throws Exception {
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final String INSTRUCTIONS = """
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Two lines of text should appear, the top one with boxes
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(red and blue) around it.
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The two lines should be of the same length, and the boxes around the
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top line should 'fit' the text with no empty space between the end
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of the text and the box.
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Pass the test if this is true.""";
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PassFailJFrame.builder()
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.instructions(INSTRUCTIONS)
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.columns(45)
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.testUI(TestGlyphVectorLayout::new)
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.build()
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.awaitAndCheck();
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}
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private TestGlyphVectorLayout() {
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setBackground(Color.WHITE);
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font = new Font(Font.DIALOG, Font.PLAIN, 24);
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frc = new FontRenderContext(null, false, false);
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text = "this is a test of glyph vector";
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}
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@Override
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public Dimension getPreferredSize() {
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return new Dimension(550, 150);
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}
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@Override
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public void paint(Graphics g) {
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super.paint(g);
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Graphics2D g2d = (Graphics2D) g;
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float x = 50;
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float y = 50;
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AffineTransform oldtx = g2d.getTransform();
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g2d.translate(x, y);
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g2d.scale(1.5, 1.5);
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g2d.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS,
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RenderingHints.VALUE_FRACTIONALMETRICS_OFF);
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g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,
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RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
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g2d.setColor(Color.BLACK);
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GlyphVector gv = font.createGlyphVector(frc, text); // new each time
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g2d.drawGlyphVector(gv, 0, 0);
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if (vbounds == null) {
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vbounds = gv.getVisualBounds();
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pbounds = gv.getPixelBounds(g2d.getFontRenderContext(), 0, 0);
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aftergv = gv;
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}
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g2d.drawGlyphVector(aftergv, 0, 30);
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g2d.setColor(Color.BLUE);
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g2d.draw(vbounds);
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g2d.setTransform(oldtx);
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g2d.setColor(Color.RED);
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g2d.draw(pbounds);
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}
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}
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