Proposed patch attached. It follows something similar what is doing ConvertToEncoding in its core. Now widths of all font supported unicode chars are correctly obtained. I also deduplicated PdfFontMetricsObject::CharWidth as it does same thing as UnicodeCharWidth and left GetGlyphWidth unimplemented as this would require converting glyph to cid for cid encoding.
On Wed, Nov 28, 2018 at 11:39 PM Michal Sudolsky <sudols...@gmail.com> wrote: > PdfFontMetricsObject::UnicodeCharWidth returns width for CID instead of > unicode char (like does PdfFontMetricsFreetype and PdfFontMetricsBase14). > Maybe it can be fixed by converting unicode char into CID using > m_pEncoding->GetCIDValue (after few modifications). And implement also > PdfFontMetricsObject::GetGlyphId. Body of UnicodeCharWidth could be > implementation of PdfFontMetricsObject::GetGlyphWidth. Actually W contains > CIDs and not glyphs so GetCIDValue may work for UnicodeCharWidth but I am > not sure about GetGlyphId and GetGlyphWidth if encoding or CIDToGIDMap is > not identity. > >
patch_string_width_bug.diff
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