Attachment 1451592 Details for Bug 1582404 – reproducer for the bug

reproducer for the bug

JDK8051956TestCase.java (text/plain), 3.15 KB, created by István Tóth on 2018-06-14 20:23:54 UTC

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Creator: István Tóth

Created: 2018-06-14 20:23:54 UTC

Size: 3.15 KB

patch

obsolete

>package hu.stoty.jdk8051956.testcase;
>
>import java.awt.Font;
>import java.awt.FontFormatException;
>import java.awt.Graphics2D;
>import java.awt.font.FontRenderContext;
>import java.awt.image.BufferedImage;
>import java.io.IOException;
>import java.io.InputStream;
>import java.nio.file.DirectoryIteratorException;
>import java.nio.file.DirectoryStream;
>import java.nio.file.FileSystems;
>import java.nio.file.FileVisitResult;
>import java.nio.file.Files;
>import java.nio.file.Path;
>import java.nio.file.SimpleFileVisitor;
>import java.nio.file.attribute.BasicFileAttributes;
>import java.util.ArrayList;
>
>public class JDK8051956TestCase {
>
>	static ArrayList<Font> fonts = new ArrayList<>();
>
>	public static Font loadFont(Path fontFilePath) throws IOException, FontFormatException {
>
>		InputStream is = Files.newInputStream(fontFilePath);
>		if (is == null) {
>			throw new IOException("Cannot open " + fontFilePath.toString());
>		}
>
>		return Font.createFont(Font.TRUETYPE_FONT, is);
>	}
>
>	public static void loadFonts(Path fontRoot) throws IOException {
>
>		Files.walkFileTree(fontRoot, new SimpleFileVisitor<Path>() {
>
>			@Override
>			public FileVisitResult visitFile(Path path, BasicFileAttributes attrs) throws IOException {
>
>				if (path.toString().endsWith(".ttf")) {
>
>					try {
>						fonts.add(loadFont(path));
>						System.out.println("loaded " + path.getFileName().toString());
>					} catch (FontFormatException e) {
>						// TODO Auto-generated catch block
>						e.printStackTrace();
>					}
>				}
>
>				return FileVisitResult.CONTINUE;
>			}
>
>			@Override
>			public FileVisitResult visitFileFailed(Path file, IOException exc) throws IOException {
>				return FileVisitResult.CONTINUE;
>			}
>		});
>	}
>
>	public static void main(String[] argv) throws FontFormatException, InterruptedException, IOException {
>
>		String ttfDir = "/usr/share/fonts/";
>
>		if (argv.length > 0) {
>			ttfDir = argv[0];
>		}
>
>		int count = 10;
>
>		if (argv.length > 1) {
>			count = Integer.parseInt(argv[1]);
>		}
>
>		BufferedImage i = new BufferedImage(1000, 1000, BufferedImage.TYPE_INT_RGB);
>		Graphics2D g = i.createGraphics();
>		FontRenderContext frc = g.getFontRenderContext();
>
>		Path dir = FileSystems.getDefault().getPath(ttfDir);
>
>		for (int z = 1; z < count; z++) {
>			loadFonts(dir);
>		}
>
>		getBounds(frc, Font.PLAIN, 10);
>
>		// deleteTmpFiles();
>
>		System.out.println("rm /tmp/*JF* now, then press enter");
>		System.in.read();
>
>		getBounds(frc, Font.ITALIC, 20);
>
>	}
>
>	private static void getBounds(FontRenderContext frc, int fontSize, int fontStyle)
>			throws FontFormatException, InterruptedException {
>
>		for (Font font : fonts) {
>
>			System.out.println("Get bounds for" + font.getFontName() + " "
>					+ font.deriveFont(fontStyle, fontSize).getStringBounds(font.getFontName(), frc).getHeight());
>
>		}
>
>	}
>
>	private static void deleteTmpFiles() {
>		Path dir = FileSystems.getDefault().getPath("/tmp");
>		try (DirectoryStream<Path> stream = Files.newDirectoryStream(dir)) {
>			for (Path file : stream) {
>				if (file.getFileName().toString().startsWith("+~JF")) {
>					System.out.println("deleting " + file.toString());
>					Files.delete(file);
>				}
>			}
>
>		} catch (IOException | DirectoryIteratorException x) {
>			System.err.println(x);
>		}
>	}
>
>}

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Attachments on bug 1582404: 1441429 | 1441443 | 1451592