[Lohit-devel-list] Lohit-Telugu issue?

[Michael Lekman]

Hi,

I believe there are cmap issues in Lohit-Telugu.ttf (2.5.1).
The following Unicode’s are mapped to “square/missing glyph”:
Glyph 108 -> U+FFBC
 Glyph 109 -> U+FFBD
 Glyph 110 -> U+FFBE
 Glyph 111 -> U+FFBF
 Glyph 112 -> U+FFC0
 Glyph 113 -> U+FFC1
 Glyph 114 -> U+FFC2
 Glyph 115 -> U+FFC3
 Glyph 116 -> U+FFC4
 Glyph 117 -> U+FFC5
 Glyph 118 -> U+FFC6
 Glyph 119 -> U+FFC7
 Glyph 120 -> U+FFC8
 Glyph 121 -> U+FFC9
 Glyph 122 -> U+FFCA
 Glyph 123 -> U+FFCB
 Glyph 124 -> U+FFCC
 Glyph 125 -> U+FFCD
 Glyph 126 -> U+FFCE
 Glyph 127 -> U+FFCF
 Glyph 128 -> U+FFD0
 Glyph 129 -> U+FFD1
 Glyph 130 -> U+FFD2
 Glyph 131 -> U+FFD3
 Glyph 132 -> U+FFD4
 Glyph 133 -> U+FFD5
 Glyph 134 -> U+FFD6
 Glyph 135 -> U+FFD7
 Glyph 136 -> U+FFD8
 Glyph 137 -> U+FFD9
 Glyph 138 -> U+FFDA
 Glyph 139 -> U+FFDB
 Glyph 140 -> U+FFDC
 Glyph 141 -> U+FFDD
 Glyph 142 -> U+FFDE
 Glyph 143 -> U+FFDF
 Glyph 144 -> U+FFE0      <---- FULLWIDTH CENT SIGN
 Glyph 145 -> U+FFE1      <---- FULLWIDTH POUND SIGN
 Glyph 146 -> U+FFE2      <---- FULLWIDTH NOT SIGN
 Glyph 147 -> U+FFE3      <---- FULLWIDTH MACRON
 Glyph 151 -> U+FFE7
 Glyph 152 -> U+FFE8
 Glyph 153 -> U+FFE9
 Glyph 154 -> U+FFEA
 Glyph 155 -> U+FFEB
 Glyph 156 -> U+FFEC
 Glyph 157 -> U+FFED
 Glyph 158 -> U+FFEE
 Glyph 159 -> U+FFEF
 Glyph 160 -> U+FFF0
 Glyph 161 -> U+FFF1
 Glyph 162 -> U+FFF2

Why are they mapped at all? I think they should be removed.

This is an issue using Lohit-Telugu on an Android device. The 2d graphics
lib, skia, setup a font fallback chain and Lohit-Telugu hides “FULL WIDTH
*” marked above.  They should be returned from DroidSansFallback.ttf.

https://github.com/android/platform_frameworks_base/blob/master/data/fonts/fallback_fonts.xml

https://github.com/android/platform_external_skia/blob/master/src/core/SkScalerContext.cpp#L142

Best regards,
Michael Lekman
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