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PDF2DTP® for InDesign® Manual - 43

PDF2DTP for InDesign - Font Conversion Tips

PDF2DTP for InDesign - Missing Fonts

Missing fonts (fonts which are not active when performing a conversion) pose the biggest problems.

Calculations for text positions are based on information (such as character widths) provided by the PDF

according to the original fonts and therefore text may flow undesirably until the fonts are located and

activated.

PDF2DTP for InDesign - Unknown Character or Glyph

If for some reason a character used in the PDF cannot be converted it will be substituted with a question mark

(“?”). In this case you will need to locate and activate the original font and retry the conversion. For example,

a Type0 font embedded in the PDF contains drawing commands in order to display little “images”, such as a

bar code, but the specific Unicode values may be unknown and it is therefore impossible to obtain the TEXT.

When question marks appear, an interesting test you can perform is to open the PDF in an Editor, such as

Acrobat, and copy and paste the text into a Text Editor to see if “garbage” is displayed. This would be proof

that it is physically impossible to convert the drawing commands into Unicode values (that is to say without

using sophisticated OCR algorithms.)

PDF2DTP for InDesign - Substitute Missing Fonts Enabled

If you turn on the “Substitute Missing Fonts” preference then missing (inactive) fonts will be substituted with the

application’s default font (commonly Minion Pro, Times, Arial or Helvetica, etc.) The actual font will be based

on the “Normal” character style which can be changed manually to a different default replacement font

(usually by editing the style sheet when no documents are open, or by changing the application’s font

substitution preferences). Using the substitute active font may often result in a more desirable text flow,

especially when combined with the “Scale Text” Preference.

Important Note*** - Based on in-house testing, enabling the Scale Text option dramatically increases the time

it takes a conversion to complete. You may want to consider using this option on a range of pages instead of

entire documents, especially if the document is long and has many text styles used in it.

PDF2DTP for InDesign - Substitute Missing Fonts Disabled

When the conversion is complete the application may display a list of missing fonts at which time you can

change them as desired, or you can edit the style sheets at any time in the future.

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