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Limited emoji support for InkHUD (#7176)

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* Cram a few emoji into AdafruitGFX fonts
Values which would normally be assigned to unprintable control characters

* Another sneaky string which may contain UTF-8 chars

* Document emoji

---------

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
This commit is contained in:
todd-herbert
2025-07-02 13:18:14 +12:00
committed by GitHub
parent 3ea96bb6e1
commit 13013a272f
10 changed files with 3271 additions and 2819 deletions
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5
src/graphics/niche/InkHUD/Applet.cpp
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@@ -353,10 +353,9 @@ std::string InkHUD::Applet::parseShortName(meshtastic_NodeInfoLite *node)
// Determine if all characters of a string are printable using the current font
bool InkHUD::Applet::isPrintable(std::string text)
{
// Scan for DEL (0x7F), which is the value assigned by AppletFont::applyEncoding if a unicode character is not handled
// Todo: move this to from DEL to SUB, once the fonts have been changed for this
// Scan for SUB (0x1A), which is the value assigned by AppletFont::applyEncoding if a unicode character is not handled
for (char &c : text) {
if (c == '\x7F')
if (c == '\x1A')
return false;
}