Add czech oled localization (#5661)

* Added support for Czech and Slovak glyphs localization

* Remove accidental commit

* Fix typo

* Fixed formatting

src/graphics/Screen.cpp

@@ -126,7 +126,7 @@ static bool heartbeat = false;
 /// Check if the display can render a string (detect special chars; emoji)
 static bool haveGlyphs(const char *str)
 {
-#if defined(OLED_PL) || defined(OLED_UA) || defined(OLED_RU)
+#if defined(OLED_PL) || defined(OLED_UA) || defined(OLED_RU) || defined(OLED_CS)
     // Don't want to make any assumptions about custom language support
     return true;
 #endif

src/graphics/Screen.h

@@ -427,6 +427,86 @@ class Screen : public concurrency::OSThread
         if (ch == 0xC2 || ch == 0xC3 || ch == 0x82 || ch == 0xD0 || ch == 0xD1)
             return (uint8_t)0;
 
+#endif
+
+#if defined(OLED_CS)
+
+        switch (last) {
+        case 0xC2: {
+            SKIPREST = false;
+            return (uint8_t)ch;
+        }
+
+        case 0xC3: {
+            SKIPREST = false;
+            return (uint8_t)(ch | 0xC0);
+        }
+
+        case 0xC4: {
+            SKIPREST = false;
+            if (ch == 140)
+                return (uint8_t)(129); // Č
+            if (ch == 141)
+                return (uint8_t)(138); // č
+            if (ch == 142)
+                return (uint8_t)(130); // Ď
+            if (ch == 143)
+                return (uint8_t)(139); // ď
+            if (ch == 154)
+                return (uint8_t)(131); // Ě
+            if (ch == 155)
+                return (uint8_t)(140); // ě
+            // Slovak specific glyphs
+            if (ch == 185)
+                return (uint8_t)(147); // Ĺ
+            if (ch == 186)
+                return (uint8_t)(148); // ĺ
+            if (ch == 189)
+                return (uint8_t)(149); // Ľ
+            if (ch == 190)
+                return (uint8_t)(150); // ľ
+            break;
+        }
+
+        case 0xC5: {
+            SKIPREST = false;
+            if (ch == 135)
+                return (uint8_t)(132); // Ň
+            if (ch == 136)
+                return (uint8_t)(141); // ň
+            if (ch == 152)
+                return (uint8_t)(133); // Ř
+            if (ch == 153)
+                return (uint8_t)(142); // ř
+            if (ch == 160)
+                return (uint8_t)(134); // Š
+            if (ch == 161)
+                return (uint8_t)(143); // š
+            if (ch == 164)
+                return (uint8_t)(135); // Ť
+            if (ch == 165)
+                return (uint8_t)(144); // ť
+            if (ch == 174)
+                return (uint8_t)(136); // Ů
+            if (ch == 175)
+                return (uint8_t)(145); // ů
+            if (ch == 189)
+                return (uint8_t)(137); // Ž
+            if (ch == 190)
+                return (uint8_t)(146); // ž
+            // Slovak specific glyphs
+            if (ch == 148)
+                return (uint8_t)(151); // Ŕ
+            if (ch == 149)
+                return (uint8_t)(152); // ŕ
+            break;
+        }
+        }
+
+        // We want to strip out prefix chars for two-byte char formats
+        if (ch == 0xC2 || ch == 0xC3 || ch == 0xC4 || ch == 0xC5)
+            return (uint8_t)0;
+
 #endif
 
         // If we already returned an unconvertable-character symbol for this unconvertable-character sequence, return NULs for the

src/graphics/ScreenFonts.h

@@ -12,6 +12,10 @@
 #include "graphics/fonts/OLEDDisplayFontsUA.h"
 #endif
 
+#ifdef OLED_CS
+#include "graphics/fonts/OLEDDisplayFontsCS.h"
+#endif
+
 #if (defined(USE_EINK) || defined(ILI9341_DRIVER) || defined(ILI9342_DRIVER) || defined(ST7701_CS) || defined(ST7735_CS) ||      \
      defined(ST7789_CS) || defined(USE_ST7789) || defined(HX8357_CS)) &&                                                         \
     !defined(DISPLAY_FORCE_SMALL_FONTS)
@@ -29,21 +33,33 @@
 #ifdef OLED_UA
 #define FONT_SMALL ArialMT_Plain_10_UA // Height: 13
 #else
+#ifdef OLED_CS
+#define FONT_SMALL ArialMT_Plain_10_CS
+#else
 #define FONT_SMALL ArialMT_Plain_10 // Height: 13
 #endif
 #endif
 #endif
+#endif
 #ifdef OLED_UA
 #define FONT_MEDIUM ArialMT_Plain_16_UA // Height: 19
 #else
+#ifdef OLED_CS
+#define FONT_MEDIUM ArialMT_Plain_16_CS
+#else
 #define FONT_MEDIUM ArialMT_Plain_16 // Height: 19
 #endif
+#endif
 #ifdef OLED_UA
 #define FONT_LARGE ArialMT_Plain_24_UA // Height: 28
 #else
+#ifdef OLED_CS
+#define FONT_LARGE ArialMT_Plain_24_CS // Height: 28
+#else
 #define FONT_LARGE ArialMT_Plain_24 // Height: 28
 #endif
 #endif
+#endif
 
 #define _fontHeight(font) ((font)[1] + 1) // height is position 1
 

src/graphics/fonts/OLEDDisplayFontsCS.h

@@ -0,0 +1,16 @@
+#ifndef OLEDDISPLAYFONTSCS_h
+#define OLEDDISPLAYFONTSCS_h
+
+#ifdef ARDUINO
+#include <Arduino.h>
+#elif __MBED__
+#define PROGMEM
+#endif
+
+/**
+ * Localization for Czech and Slovak language containing glyphs with diacritic.
+ */
+extern const uint8_t ArialMT_Plain_10_CS[] PROGMEM;
+extern const uint8_t ArialMT_Plain_16_CS[] PROGMEM;
+extern const uint8_t ArialMT_Plain_24_CS[] PROGMEM;
+#endif