test/jdk/java/awt/font/Rotate/RotateTest1.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.text.AttributedString;
import java.awt.font.TextAttribute;

import javax.swing.JPanel;

/*
 * @test
 * @bug 4188328
 * @summary In this bug, a text string is displayed rotated. Without the
 *          fix, on Windows, the string was not displayed (boxes were
 *          displayed which denote an unprintable character). On Solaris
 *          2.5.1, the characters were displayed, but not rotated. Now
 *          on all platforms, the string is displayed correctly rotated.
 * @library /java/awt/regtesthelpers
 * @build PassFailJFrame
 * @run main/manual RotateTest1
 */

public class RotateTest1 extends JPanel {
    public static void main(String[] args) throws Exception {
        final String INSTRUCTIONS = """
                In this test, a text string is displayed rotated.

                Without the fix, on Windows, the string was not displayed
                (boxes were displayed which denote an unprintable character).

                On Solaris 2.5.1, the characters were displayed, but not rotated.

                Now on all platforms, the string is displayed rotated.""";

        PassFailJFrame.builder()
                .instructions(INSTRUCTIONS)
                .columns(45)
                .testUI(RotateTest1::new)
                .build()
                .awaitAndCheck();
    }

    public RotateTest1() {
        setBackground(Color.WHITE);
        setDoubleBuffered(true);
    }

    @Override
    public Dimension getPreferredSize() {
        return new Dimension(400, 520);
    }

    @Override
    public void paint(Graphics g) {
        Graphics2D g2d = (Graphics2D) g;
        Dimension d = getSize();

        g.setColor(getBackground());
        g.fillRect(0, 0, d.width, d.height);

        // start java2d test code
        paintRotatedTextTest(g2d);
    }

    private void paintRotatedTextTest(Graphics2D g2d) {
        AttributedString testString =
                new AttributedString("This is some text. Blablablabla");
        testString.addAttribute(TextAttribute.SIZE, 32f);

        g2d.setPaint(Color.BLACK);
        g2d.rotate(Math.PI / 3);
        g2d.drawString(testString.getIterator(), 100.0f, 10.0f);
    }
}