Get detailed font information for a character

[Nikita Rybak]

Hi there,

I'm aware that I can get basic font information for an individual character with FPDFText_GetFontSize / FPDFText_GetFontInfo / FPDFText_GetFontWeight. There is also API to get detailed information for a font, e.g. FPDFFont_GetAscent & FPDFFont_GetDescent.

My question is, how does one connect the two? FPDFFont_GetAscent takes a FPDF_FONT handle, but I don't see a way to get such a handle using only font name received from FPDFText_GetFontInfo.

I only see a way to get a font handle using object-level api (FPDFTextObj_GetFont), and through FPDFText_LoadFont/FPDFText_LoadStandardFont (if I understand correctly, those are for editing a pdf)

Nikita

[Justin Pierce]

Looks like you've done a thorough investigation. There is no way to enumerate all fonts in a document.

I believe the only way to retrieve an existing font is via `FPDFTextObj_GetFont` which requires a handle to a page object (`FPDFPage_GetObject`)

If you're willing to modify Pdfium, you can alternatively write a custom Pdfium method to interate through all of the indirect objects within `CPDF_Document` and check for fonts this way.

[Lei Zhang]

Thanks for noticing this gap in the API. Please file a feature request
on the bug tracker to add the missing FPDFText_GetFont() API.

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