WIP - loading font data from translations blob

core/embed/lib/fonts/fonts.c

@@ -19,6 +19,8 @@
 
 #include "fonts.h"
 #include <stdbool.h>
+#include <stdio.h>
+#include "librust.h"
 
 // TODO: make it return uint32_t (needs logic to assemble at most 4 bytes
 // together)
@@ -133,142 +135,17 @@ int font_baseline(int font) {
   return 0;
 }
 
-const uint8_t utf8_mapping(uint16_t c_2bytes) {
-  switch (c_2bytes) {
-    case 0xC381:
-      return 127;  // Á
-    case 0xC48C:
-      return 128;  // Č
-    case 0xC48E:
-      return 129;  // Ď
-    case 0xC389:
-      return 130;  // É
-    case 0xC49A:
-      return 131;  // Ě
-    case 0xC38D:
-      return 132;  // Í
-    case 0xC587:
-      return 133;  // Ň
-    case 0xC393:
-      return 134;  // Ó
-    case 0xC598:
-      return 135;  // Ř
-    case 0xC5A0:
-      return 136;  // Š
-    case 0xC5A4:
-      return 137;  // Ť
-    case 0xC39A:
-      return 138;  // Ú
-    case 0xC5AE:
-      return 139;  // Ů
-    case 0xC39D:
-      return 140;  // Ý
-    case 0xC5BD:
-      return 141;  // Ž
-    case 0xC3A1:
-      return 142;  // á
-    case 0xC48D:
-      return 143;  // č
-    case 0xC48F:
-      return 144;  // ď
-    case 0xC3A9:
-      return 145;  // é
-    case 0xC49B:
-      return 146;  // ě
-    case 0xC3AD:
-      return 147;  // í
-    case 0xC588:
-      return 148;  // ň
-    case 0xC3B3:
-      return 149;  // ó
-    case 0xC599:
-      return 150;  // ř
-    case 0xC5A1:
-      return 151;  // š
-    case 0xC5A5:
-      return 152;  // ť
-    case 0xC3BA:
-      return 153;  // ú
-    case 0xC5AF:
-      return 154;  // ů
-    case 0xC3BD:
-      return 155;  // ý
-    case 0xC5BE:
-      return 156;  // ž
-    case 0xC380:
-      return 157;  // À
-    case 0xC382:
-      return 158;  // Â
-    case 0xC386:
-      return 159;  // Æ
-    case 0xC387:
-      return 160;  // Ç
-    case 0xC388:
-      return 161;  // È
-    case 0xC38A:
-      return 162;  // Ê
-    case 0xC38B:
-      return 163;  // Ë
-    case 0xC38E:
-      return 164;  // Î
-    case 0xC38F:
-      return 165;  // Ï
-    case 0xC394:
-      return 166;  // Ô
-    case 0xC399:
-      return 167;  // Ù
-    case 0xC39B:
-      return 168;  // Û
-    case 0xC39C:
-      return 169;  // Ü
-    case 0xC5B8:
-      return 170;  // Ÿ
-    case 0xC592:
-      return 171;  // Œ
-    case 0xC3A0:
-      return 172;  // à
-    case 0xC3A2:
-      return 173;  // â
-    case 0xC3A6:
-      return 174;  // æ
-    case 0xC3A7:
-      return 175;  // ç
-    case 0xC3A8:
-      return 176;  // è
-    case 0xC3AA:
-      return 177;  // ê
-    case 0xC3AB:
-      return 178;  // ë
-    case 0xC3AE:
-      return 179;  // î
-    case 0xC3AF:
-      return 180;  // ï
-    case 0xC3B4:
-      return 181;  // ô
-    case 0xC3B9:
-      return 182;  // ù
-    case 0xC3BB:
-      return 183;  // û
-    case 0xC3BC:
-      return 184;  // ü
-    case 0xC3BF:
-      return 185;  // ÿ
-    case 0xC593:
-      return 186;  // œ
-    default:
-      return 0;  // non-printable
-  }
-}
-
 const uint8_t *font_get_glyph(int font, uint8_t c) {
   uint16_t c_2bytes = convert_char_utf8(c);
   bool is_printable = c_2bytes != 0x7F;
   if (!c_2bytes) return 0;
 
   // found UTF8 character
   if (c_2bytes > 0xFF) {
-    c_2bytes = utf8_mapping(c_2bytes);
-    if (!c_2bytes) {
+    PointerData glyph_data = get_utf8_glyph(c_2bytes);
+    if (glyph_data.ptr != NULL) {
+      return glyph_data.ptr;
+    } else {
       is_printable = false;
     }
   }

core/embed/rust/librust.h

@@ -14,3 +14,10 @@ extern mp_obj_module_t mp_module_trezortranslate;
 #ifdef TREZOR_EMULATOR
 mp_obj_t ui_debug_layout_type();
 #endif
+
+typedef struct {
+  const uint8_t* ptr;
+  uint32_t len;
+} PointerData;
+
+PointerData get_utf8_glyph(uint16_t char_code);

core/embed/rust/src/trezorhal/translations.rs

@@ -1,10 +1,28 @@
 use super::ffi;
 
+#[repr(C)]
+pub struct PointerData {
+    pub ptr: *const u8,
+    pub len: u32,
+}
+
 pub fn translations_get() -> &'static [u8] {
     let mut len: u32 = 0;
-    let ptr = unsafe { ffi::translations_read(&mut len) };
+    let ptr = unsafe { ffi::translations_read(&mut len, 0) };
     if ptr.is_null() {
         fatal_error!("Translations read failed", "");
     }
     unsafe { core::slice::from_raw_parts(ptr, len as usize) }
 }
+
+pub fn get_font_pointer(area_offset: u16, len: u16) -> PointerData {
+    let mut overall_len: u32 = 0;
+    let ptr = unsafe { ffi::translations_read(&mut overall_len, area_offset.into()) };
+    if ptr.is_null() {
+        fatal_error!("Translations read failed", "");
+    }
+    PointerData {
+        ptr,
+        len: len.into(),
+    }
+}

core/embed/rust/src/ui/translations/cs.json

@@ -1,4 +1,7 @@
 {
+  "font": {
+    "file": "font_pixeloperator_regular_8_cs.json"
+  },
   "header": {
     "language": "cs",
     "version": "2.6.3"

core/embed/rust/src/ui/translations/font_pixeloperator_regular_8_cs.json

@@ -0,0 +1,152 @@
+[
+  {
+    "char": "Á",
+    "utf8": "C381",
+    "data": "0507060007111d18fe20"
+  },
+  {
+    "char": "Č",
+    "utf8": "C48C",
+    "data": "0507060007511d1845c0"
+  },
+  {
+    "char": "Ď",
+    "utf8": "C48E",
+    "data": "0507060007513d18c7c0"
+  },
+  {
+    "char": "É",
+    "utf8": "C389",
+    "data": "0507060007113f0e43e0"
+  },
+  {
+    "char": "Ě",
+    "utf8": "C49A",
+    "data": "0507060007513f0e43e0"
+  },
+  {
+    "char": "Í",
+    "utf8": "C38D",
+    "data": "020704010762a8"
+  },
+  {
+    "char": "Ň",
+    "utf8": "C587",
+    "data": "050706000751239ace20"
+  },
+  {
+    "char": "Ó",
+    "utf8": "C393",
+    "data": "0507060007111d18c5c0"
+  },
+  {
+    "char": "Ř",
+    "utf8": "C598",
+    "data": "0507060007513d18fa20"
+  },
+  {
+    "char": "Š",
+    "utf8": "C5A0",
+    "data": "0507060007511d0707c0"
+  },
+  {
+    "char": "Ť",
+    "utf8": "C5A4",
+    "data": "0507060007513e421080"
+  },
+  {
+    "char": "Ú",
+    "utf8": "C39A",
+    "data": "0507060007112318c5c0"
+  },
+  {
+    "char": "Ů",
+    "utf8": "C5AE",
+    "data": "0507060007228918c5c0"
+  },
+  {
+    "char": "Ý",
+    "utf8": "C39D",
+    "data": "05070600071123151080"
+  },
+  {
+    "char": "Ž",
+    "utf8": "C5BD",
+    "data": "0507060007513e2223e0"
+  },
+  {
+    "char": "á",
+    "utf8": "C3A1",
+    "data": "0507060007111c17c5e0"
+  },
+  {
+    "char": "č",
+    "utf8": "C48D",
+    "data": "0507060007511d1845c0"
+  },
+  {
+    "char": "ď",
+    "utf8": "C48F",
+    "data": "09070b000708845e51088441e0"
+  },
+  {
+    "char": "é",
+    "utf8": "C3A9",
+    "data": "0507060007111d1fc1c0"
+  },
+  {
+    "char": "ě",
+    "utf8": "C49B",
+    "data": "0507060007511d1fc1c0"
+  },
+  {
+    "char": "í",
+    "utf8": "C3AD",
+    "data": "020704010762a8"
+  },
+  {
+    "char": "ň",
+    "utf8": "C588",
+    "data": "0507060007513d18c620"
+  },
+  {
+    "char": "ó",
+    "utf8": "C3B3",
+    "data": "0507060007111d18c5c0"
+  },
+  {
+    "char": "ř",
+    "utf8": "C599",
+    "data": "050706000751274c4200"
+  },
+  {
+    "char": "š",
+    "utf8": "C5A1",
+    "data": "0507060007511d0707c0"
+  },
+  {
+    "char": "ť",
+    "utf8": "C5A5",
+    "data": "08070a00070141f24040403000"
+  },
+  {
+    "char": "ú",
+    "utf8": "C3BA",
+    "data": "0507060007112318c5c0"
+  },
+  {
+    "char": "ů",
+    "utf8": "C5AF",
+    "data": "0507060007228918c5c0"
+  },
+  {
+    "char": "ý",
+    "utf8": "C3BD",
+    "data": "0508060007112318bc2e00"
+  },
+  {
+    "char": "ž",
+    "utf8": "C5BE",
+    "data": "0507060007513e2223e0"
+  }
+]