Whether I use this:
PdfDocument::CreateFontSubset("Arial", false, false);
Or this:
PdfDocument::CreateFont("Arial", false, false, false,
PdfEncodingFactory::GlobalWinAnsiEncodingInstance(),
PdfFontCache::eFontCreationFlags_Type1Subsetting);
It produces invalid pdf. Acrobat says "The font 'AAAAAA+ArialMT' contains
bad /Widths." and indeed it does not have widths:
19 0
obj<</Type/Font/BaseFont/AAAAAA+ArialMT/Encoding/WinAnsiEncoding/FontDescriptor
20 0 R/Subtype/TrueType>>
As non-subset fonts normally have (without
eFontCreationFlags_Type1Subsetting flag):
19 0 obj<</Type/Font/BaseFont/ArialMT/Encoding/WinAnsiEncoding/FirstChar
0/FontDescriptor 21 0 R/LastChar 255/Subtype/TrueType/Widths 20 0 R>>
Podofo itself cannot open such pdf, it throws here:
PODOFO_RAISE_ERROR_INFO( ePdfError_NoObject, "Font object defines neither
Widths, nor MissingWidth values!" );
This is really unfortunate because pdf with just subset of font could be
much smaller when I want to add just short text into it (or can be smaller
also with long text because how often can be found pdf which contains all
characters that font supports?).
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