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Gr language specific font (#8808)

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* add Greek special font

* add Greek fonts with with proper Greek glyphs

* lint fix ( run trunk fmt)

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
This commit is contained in:
apo-mak
2026-01-10 20:43:17 +02:00
committed by GitHub
parent acb6eb704b
commit c520d3aae7
10 changed files with 2191 additions and 3 deletions
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36
src/graphics/Screen.h
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@@ -558,6 +558,42 @@ class Screen : public concurrency::OSThread
if (ch == 0xC2 || ch == 0xC3 || ch == 0xC4 || ch == 0xC5)
return (uint8_t)0;
#endif
#if defined(OLED_GR)
switch (last) {
case 0xC3: {
SKIPREST = false;
return (uint8_t)(ch | 0xC0);
}
// Map UTF-8 Greek chars to Windows-1253 (CP-1253) ASCII codes
case 0xCE: {
SKIPREST = false;
// Uppercase Greek: Α-Ρ (U+0391-U+03A1) -> CP-1253 193-209
if (ch >= 145 && ch <= 161)
return (uint8_t)(ch + 48);
// Uppercase Greek: Σ-Ω (U+03A3-U+03A9) -> CP-1253 211-217
else if (ch >= 163 && ch <= 169)
return (uint8_t)(ch + 48);
// Lowercase Greek: α-ρ (U+03B1-U+03C1) -> CP-1253 225-241
else if (ch >= 177 && ch <= 193)
return (uint8_t)(ch + 48);
break;
}
case 0xCF: {
SKIPREST = false;
// Lowercase Greek: ς-ω (U+03C2-U+03C9) -> CP-1253 242-249
if (ch >= 130 && ch <= 137)
return (uint8_t)(ch + 112);
break;
}
}
// We want to strip out prefix chars for two-byte Greek char formats
if (ch == 0xC2 || ch == 0xC3 || ch == 0xCE || ch == 0xCF)
return (uint8_t)0;
#endif
// If we already returned an unconvertable-character symbol for this unconvertable-character sequence, return NULs for the