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Bulletpoints not displayed correct when converting docx to PDF

Hello Support Team,

We are using Aspose Words for Java to convert Word documents to PDF. We are facing the Problem that bullet points are not displayed correct in the generated PDF.

We are using Aspose Words in version “18.3-jdk16” and docker as execution environment. Our base image is “openjdk:11-jre-slim”. We are also installing the “ttf-mscorefonts” as replacemnnt for the windows fonts.

In the resulting PDF, the bullet points of the first and third level are weird. See the attached PDF file with_ttf-mscorefonts.pdf (433.5 KB). We also tried to install different font packages, e.g., “ttf-ancient-fonts-symbola”, “fonts-opensymbol”, “fonts-noto” and then substitute the font explicit but then the bullet points are only empty rectangles even though the fonts are embedded inside the DPF file. Updating to version 21.4 did not solve the problem.

What do we need to do that the bullets points inside the PDF are displayed similar to the Word document?

We would be very grateful for any help.
Thanks

@alexander.g

Please note that Aspose.Words requires TrueType fonts when rendering document to fixed-page formats (JPEG, PNG, PDF or XPS). You need to install fonts that are used in your document on the machine where you are converting documents to PDF. Please refer to the following articles:
Using TrueType Fonts
Manipulating and Substitution TrueType Fonts

Please make sure that the symbol font is installed on the system where you are converting document to PDF.

Moreover, you can implement IWarningCallback interface as shown below to get the missing font notification. You need to install those missing fonts to get the desired output.

Document doc = new Document(MyDir + "input.docx"); 
doc.setWarningCallback(new IWarningCallback() {
    @Override
    public void warning(WarningInfo warningInfo) {
        if (WarningType.FONT_SUBSTITUTION == warningInfo.getWarningType()) {
            System.out.println(warningInfo.getDescription());
        }
    }
});
doc.save(MyDir + "output.pdf");