com.aspose.words

Example:

public void usingMachineFonts() throws Exception {
    Document doc = new Document(getMyDir() + "Bullet points with alternative font.docx");

    HtmlFixedSaveOptions saveOptions = new HtmlFixedSaveOptions();
    saveOptions.setUseTargetMachineFonts(true);
    saveOptions.setFontFormat(ExportFontFormat.TTF);
    saveOptions.setExportEmbeddedFonts(false);
    saveOptions.setResourceSavingCallback(new ResourceSavingCallback());

    doc.save(getArtifactsDir() + "HtmlFixedSaveOptions.UsingMachineFonts.html", saveOptions);
}

private static class ResourceSavingCallback implements IResourceSavingCallback {
    /**
     * Called when Aspose.Words saves an external resource to fixed page HTML or SVG.
     */
    public void resourceSaving(final ResourceSavingArgs args) {
        System.out.println(MessageFormat.format("Original document URI:\t{0}", args.getDocument().getOriginalFileName()));
        System.out.println(MessageFormat.format("Resource being saved:\t{0}", args.getResourceFileName()));
        System.out.println(MessageFormat.format("Full uri after saving:\t{0}", args.getResourceFileUri()));

        args.setResourceStream(new ByteArrayOutputStream());
        args.setKeepResourceStreamOpen(true);

        String extension = FilenameUtils.getExtension(args.getResourceFileName());
        switch (extension) {
            case "ttf":
            case "woff":
                Assert.fail("'ResourceSavingCallback' is not fired for fonts when 'UseTargetMachineFonts' is true");
                break;
        }
    }
}