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Extended character set suport for Adafruit_GFX format fonts

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Supports Adafruit_GFX compatible font format with characters in the range 32-255.

Note that the font rendering functions expect UTF-8 encoded characters/strings.
This commit is contained in:
Bodmer
2019-02-08 18:25:55 +00:00
parent 7479f7e680
commit 61dfb2b4ac
6 changed files with 3618 additions and 21 deletions
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Extensions/Smooth_font.cpp
+4
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@@ -246,6 +246,7 @@ void TFT_eSPI::unloadFont( void )
** Function name: decodeUTF8
** Description: Line buffer UTF-8 decoder with fall-back to extended ASCII
*************************************************************************************x*/
/* Function moved to TFT_eSPI.cpp
#define DECODE_UTF8
uint16_t TFT_eSPI::decodeUTF8(uint8_t *buf, uint16_t *index, uint16_t remaining)
{
@@ -273,11 +274,13 @@ uint16_t TFT_eSPI::decodeUTF8(uint8_t *buf, uint16_t *index, uint16_t remaining)
return c; // fall-back to extended ASCII
}
*/
/***************************************************************************************
** Function name: decodeUTF8
** Description: Serial UTF-8 decoder with fall-back to extended ASCII
*************************************************************************************x*/
/* Function moved to TFT_eSPI.cpp
uint16_t TFT_eSPI::decodeUTF8(uint8_t c)
{
@@ -329,6 +332,7 @@ uint16_t TFT_eSPI::decodeUTF8(uint8_t c)
decoderState = 0;
return (uint16_t)c; // fall-back to extended ASCII
}
*/