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[NTGDI] Check if face->charmap is not zero before accessing its encoding (#4390)

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This allows DevExpress Ribbon Notepad sample to start.

Also add a fat DPRINT1 suggested by Timo Kreuzer,
because there is a lot wrong in the code.

CORE-18091 CORE-18558
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Julio Carchi 2023-01-18 13:24:40 -05:00 • committed by GitHub
parent 346477fb3c
commit a999c43746
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6
win32ss/gdi/ntgdi/freetype.c
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@ -4490,6 +4490,12 @@ ftGetFontUnicodeRanges(PFONTGDI Font, PGLYPHSET glyphset)
DWORD num_ranges = 0; DWORD num_ranges = 0;
FT_Face face = Font->SharedFace->Face; FT_Face face = Font->SharedFace->Face;
if (face->charmap == NULL)
{
DPRINT1("FIXME: No charmap selected! This is a BUG!\n");
return 0;
}
if (face->charmap->encoding == FT_ENCODING_UNICODE) if (face->charmap->encoding == FT_ENCODING_UNICODE)
{ {
FT_UInt glyph_code = 0; FT_UInt glyph_code = 0;