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59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
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#ifdef MESHTASTIC_INCLUDE_INKHUD
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/*
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Wrapper class for an AdafruitGFX font
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Pre-calculates some font dimension info which InkHUD uses repeatedly
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Also contains an optional set of "substitutions".
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These can be used to detect special UTF8 chars, and replace occurrences with a remapped char val to suit a custom font
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These can also be used to swap UTF8 chars for a suitable ASCII substitution (e.g. German ö -> oe, etc)
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*/
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#pragma once
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#include "configuration.h"
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#include <GFX.h>
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namespace NicheGraphics::InkHUD
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{
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// An AdafruitGFX font, bundled with precalculated dimensions which are used frequently by InkHUD
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class AppletFont
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{
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public:
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AppletFont();
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AppletFont(const GFXfont &adafruitGFXFont);
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uint8_t lineHeight();
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uint8_t heightAboveCursor();
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uint8_t heightBelowCursor();
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uint8_t widthBetweenWords();
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void applySubstitutions(std::string *text); // Run all char-substitution operations, prior to printing
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void addSubstitution(const char *from, const char *to); // Register a find-replace action, for remapping UTF8 chars
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void addSubstitutionsWin1251(); // Cyrillic fonts: remap UTF8 values to their Win-1251 equivalent
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// Todo: Polish font
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const GFXfont *gfxFont = NULL; // Default value: in-built AdafruitGFX font
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private:
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uint8_t height = 8; // Default value: in-built AdafruitGFX font
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uint8_t ascenderHeight = 0; // Default value: in-built AdafruitGFX font
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uint8_t descenderHeight = 8; // Default value: in-built AdafruitGFX font
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uint8_t spaceCharWidth = 8; // Default value: in-built AdafruitGFX font
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// One pair of find-replace values, for substituting or remapping UTF8 chars
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struct Substitution {
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const char *from;
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const char *to;
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};
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// List of all character substitutions to run, prior to printing a string
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std::vector<Substitution> substitutions;
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};
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} // namespace NicheGraphics::InkHUD
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#endif
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