Chinese / English mixed content character spacing

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Chinese / English mixed content character spacing

Unread postby Danny Fitton » Thu Sep 21, 2017 8:10 am

Good Morning,

I have a project where there is a mix of Chinese and english characters.
On the print option (to PDF) the Chinese characters come out fine but the english over lap or incorrectly spaced.

Can anyone help?
Danny Fitton

Applications Engineer
Holroyd Precision Ltd
Harbour Lane North,
Milnrow, Rochdale,
Lancashire OL16 3LQ, UK

www.holroyd.com
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Re: Chinese / English mixed content character spacing

Unread postby Tim Green » Thu Sep 21, 2017 8:26 am

Hi Danny,

This will only work correctly if you either: 1) Use full Unicode fonts that contain all the characters for both Chinese and Latin characters in the same font, or 2) Use separate text styles with Latin and Chinese fonts for the English and Chinese texts.

In addition to this you also need to embed the fonts in the PDF to make absolutely sure that they will be available on the machines where the PDF is going to be viewed. Otherwise, if the font isn't available Windows will make automatic substitutions and you will again get kerning problems because the kerning tables of the substitute font often won't match the original with which the PDF was generated. You set up font embedding in the Project Explorer on the left, in Configuration > Publishing Options > PDF > Font Embedding.

Finally, setting the font embedding option to Type 3 font embedding will often improve things, at the expense of a very slight reduction in text sharpness.
Regards,
Tim (EC Software Documentation & User Support)

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