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This commit is contained in:
fvanroie 2021-03-15 23:47:23 +01:00
parent 228148b92d
commit edfaae4299
2 changed files with 61 additions and 34 deletions
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2
lib/lv_lib_zifont/README.md
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@ -15,7 +15,7 @@ Obtain or create a font file:
lv_zifont_init();
static lv_font_t font1;
lv_zifont_font_init(&font1, "./notosans_32.zi", 0);
lv_zifont_font_init(&font1, "/notosans_32.zi", 0);
static lv_style_t ft_style;
lv_style_copy(&ft_style, &lv_style_plain);

93
lib/lv_lib_zifont/lv_zifont.cpp
View File

@ -2,7 +2,7 @@
* INCLUDES
*********************/
#if !(defined(WINDOWS)||defined(POSIX))
#if !(defined(WINDOWS) || defined(POSIX))
#include <Arduino.h>
#include <stdio.h>
@ -55,8 +55,8 @@ enum zifont_codepage_t8_t { ASCII = 0x01, ISO_8859_1 = 0x03, UTF_8 = 0x18 };
/**********************
* STATIC PROTOTYPES
**********************/
const uint8_t * IRAM_ATTR lv_font_get_bitmap_fmt_zifont(const lv_font_t * font, uint32_t unicode_letter);
bool IRAM_ATTR lv_font_get_glyph_dsc_fmt_zifont(const lv_font_t * font, lv_font_glyph_dsc_t * dsc_out,
const uint8_t* IRAM_ATTR lv_font_get_bitmap_fmt_zifont(const lv_font_t* font, uint32_t unicode_letter);
bool IRAM_ATTR lv_font_get_glyph_dsc_fmt_zifont(const lv_font_t* font, lv_font_glyph_dsc_t* dsc_out,
uint32_t unicode_letter, uint32_t unicode_letter_next);
/**********************
@ -68,12 +68,12 @@ lv_zifont_char_t lastCharInfo; // Holds the last Glyph DSC
#if ESP32
// static lv_zifont_char_t charCache[256 - 32]; // glyphID DSC cache
#define CHAR_CACHE_SIZE 224
#define CHAR_CACHE_SIZE 95
#else
#define CHAR_CACHE_SIZE 95
// static lv_zifont_char_t charCache[256 - 32]; // glyphID DSC cache
#endif
static uint8_t * charBitmap_p;
static uint8_t* charBitmap_p;
/**********************
* MACROS
@ -83,18 +83,19 @@ static uint8_t * charBitmap_p;
* GLOBAL FUNCTIONS
**********************/
static void IRAM_ATTR blackAdd(uint8_t * charBitmap_p, uint16_t pos);
static void IRAM_ATTR colorsAdd(uint8_t * charBitmap_p, uint8_t color1, uint16_t pos);
static void IRAM_ATTR blackAdd(uint8_t* charBitmap_p, uint16_t pos);
static void IRAM_ATTR colorsAdd(uint8_t* charBitmap_p, uint8_t color1, uint16_t pos);
// static uint16_t unicode2codepoint(uint32_t unicode, uint8_t codepage);
// static void printBuffer(uint8_t * charBitmap_p, uint8_t w, uint8_t h);
int lv_zifont_init(void)
{
FS.begin(true);
// charBitmap_p = (uint8_t *)lv_mem_alloc(32 * 32);
return LV_RES_OK; // OK
}
static inline bool openFont(File & file, const char * filename)
static inline bool openFont(File& file, const char* filename)
{
if(*filename != '/') return false;
@ -103,6 +104,7 @@ static inline bool openFont(File & file, const char * filename)
LOG_ERROR(TAG_FONT, F("Opening font: %s"), filename);
return false;
}
LOG_TRACE(TAG_FONT, F("Opening font: %s"), filename);
return file;
}
@ -110,7 +112,7 @@ static inline bool initCharacterFrame(size_t size)
{
if(size > _lv_mem_get_size(charBitmap_p)) {
lv_mem_free(charBitmap_p);
charBitmap_p = (uint8_t *)lv_mem_alloc(size);
charBitmap_p = (uint8_t*)lv_mem_alloc(size);
LOG_WARNING(TAG_FONT, F("Pixel buffer is %d bytes"), _lv_mem_get_size(charBitmap_p));
}
@ -123,29 +125,33 @@ static inline bool initCharacterFrame(size_t size)
}
}
int lv_zifont_font_init(lv_font_t ** font, const char * font_path, uint16_t size)
int lv_zifont_font_init(lv_font_t** font, const char* font_path, uint16_t size)
{
charInBuffer = 0; // invalidate any previous cache
if(!*font) {
*font = (lv_font_t *)lv_mem_alloc(sizeof(lv_font_t));
LOG_TRACE(TAG_FONT, F("File %s - Line %d - init font"), __FILE__, __LINE__);
*font = (lv_font_t*)lv_mem_alloc(sizeof(lv_font_t));
LV_ASSERT_MEM(*font);
_lv_memset_00(*font, sizeof(lv_font_t)); // lv_mem_alloc might be dirty
}
lv_font_fmt_zifont_dsc_t * dsc;
lv_font_fmt_zifont_dsc_t* dsc;
if(!(*font)->dsc) {
dsc = (lv_font_fmt_zifont_dsc_t *)lv_mem_alloc(sizeof(lv_font_fmt_zifont_dsc_t));
LOG_TRACE(TAG_FONT, F("File %s - Line %d - init font dsc"), __FILE__, __LINE__);
dsc = (lv_font_fmt_zifont_dsc_t*)lv_mem_alloc(sizeof(lv_font_fmt_zifont_dsc_t));
LV_ASSERT_MEM(dsc);
_lv_memset_00(dsc, sizeof(lv_font_fmt_zifont_dsc_t)); // lv_mem_alloc might be dirty
dsc->ascii_glyph_dsc = NULL;
} else {
dsc = (lv_font_fmt_zifont_dsc_t *)(*font)->dsc;
LOG_TRACE(TAG_FONT, F("File %s - Line %d - reuse font dsc"), __FILE__, __LINE__);
dsc = (lv_font_fmt_zifont_dsc_t*)(*font)->dsc;
}
LV_ASSERT_MEM(dsc);
if(!dsc) return ZIFONT_ERROR_OUT_OF_MEMORY;
/* Initialize Last Glyph DSC */
dsc->last_glyph_dsc = (lv_zifont_char_t *)lv_mem_alloc(sizeof(lv_zifont_char_t));
dsc->last_glyph_dsc = (lv_zifont_char_t*)lv_mem_alloc(sizeof(lv_zifont_char_t));
_lv_memset_00(dsc->last_glyph_dsc, sizeof(lv_zifont_char_t)); // lv_mem_alloc might be dirty
if(dsc->last_glyph_dsc == NULL) return ZIFONT_ERROR_OUT_OF_MEMORY;
@ -158,7 +164,9 @@ int lv_zifont_font_init(lv_font_t ** font, const char * font_path, uint16_t size
/* Read file header as dsc */
zi_font_header_t header;
size_t readSize = file.readBytes((char *)&header, sizeof(zi_font_header_t));
size_t readSize = file.readBytes((char*)&header, sizeof(zi_font_header_t));
LOG_TRACE(TAG_FONT, F("File %s - Line %d"), __FILE__, __LINE__);
/* Check that we read the correct size */
if(readSize != sizeof(zi_font_header_t)) {
@ -167,6 +175,8 @@ int lv_zifont_font_init(lv_font_t ** font, const char * font_path, uint16_t size
return ZIFONT_ERROR_READING_DATA;
}
LOG_TRACE(TAG_FONT, F("File %s - Line %d"), __FILE__, __LINE__);
/* Check ziFile Header Format */
if(header.Password != 4 || header.Version != 5) {
LOG_ERROR(TAG_FONT, F("Unknown font file format"));
@ -174,6 +184,8 @@ int lv_zifont_font_init(lv_font_t ** font, const char * font_path, uint16_t size
return ZIFONT_ERROR_UNKNOWN_HEADER;
}
LOG_TRACE(TAG_FONT, F("File %s - Line %d"), __FILE__, __LINE__);
dsc->CharHeight = header.CharHeight;
dsc->CharWidth = header.CharWidth;
dsc->Maximumnumchars = header.Maximumnumchars;
@ -182,20 +194,33 @@ int lv_zifont_font_init(lv_font_t ** font, const char * font_path, uint16_t size
dsc->Startdataaddress = header.Startdataaddress + header.Descriptionlength;
dsc->Fontdataadd8byte = header.Fontdataadd8byte;
if(!dsc->ascii_glyph_dsc) {
dsc->ascii_glyph_dsc = (lv_zifont_char_t *)lv_mem_alloc(sizeof(lv_zifont_char_t) * CHAR_CACHE_SIZE);
LOG_TRACE(TAG_FONT, F("File %s - Line %d - %d"), __FILE__, __LINE__, dsc->ascii_glyph_dsc);
if(dsc->ascii_glyph_dsc == NULL) {
LOG_TRACE(TAG_FONT, F("File %s - Line %d - ascii_glyph_dsc init"), __FILE__, __LINE__);
dsc->ascii_glyph_dsc = (lv_zifont_char_t*)lv_mem_alloc(sizeof(lv_zifont_char_t) * CHAR_CACHE_SIZE);
LV_ASSERT_MEM(dsc->ascii_glyph_dsc);
_lv_memset_00(dsc->ascii_glyph_dsc, sizeof(lv_zifont_char_t) * CHAR_CACHE_SIZE); // lv_mem_alloc might be dirty
}
LOG_TRACE(TAG_FONT, F("File %s - Line %d"), __FILE__, __LINE__);
if(dsc->ascii_glyph_dsc == NULL) {
file.close();
return ZIFONT_ERROR_OUT_OF_MEMORY;
}
LOG_TRACE(TAG_FONT, F("File %s - Line %d - Seerkset: %d"), __FILE__, __LINE__, dsc->Startdataaddress);
/* read charmap into cache */
file.seek(0 * sizeof(zi_font_header_t) + dsc->Startdataaddress, SeekSet);
LOG_TRACE(TAG_FONT, F("File %s - Line %d"), __FILE__, __LINE__);
//* read and fill charmap cache
readSize = file.readBytes((char *)dsc->ascii_glyph_dsc, sizeof(lv_zifont_char_t) * CHAR_CACHE_SIZE);
readSize = file.readBytes((char*)dsc->ascii_glyph_dsc, sizeof(lv_zifont_char_t) * CHAR_CACHE_SIZE);
LOG_TRACE(TAG_FONT, F("File %s - Line %d"), __FILE__, __LINE__);
//* Check that we read the correct size
if(readSize != sizeof(lv_zifont_char_t) * CHAR_CACHE_SIZE) {
@ -236,9 +261,11 @@ int lv_zifont_font_init(lv_font_t ** font, const char * font_path, uint16_t size
/* header data struct */ /*The custom font data. Will be accessed by `get_glyph_bitmap/dsc` */
(*font)->subpx = 0;
if((*font)->user_data != (char *)font_path) {
LOG_TRACE(TAG_FONT, F("File %s - Line %d"), __FILE__, __LINE__);
if((*font)->user_data != (char*)font_path) {
if((*font)->user_data) free((*font)->user_data);
(*font)->user_data = (char *)font_path;
(*font)->user_data = (char*)font_path;
}
return ZIFONT_NO_ERROR;
@ -254,7 +281,7 @@ int lv_zifont_font_init(lv_font_t ** font, const char * font_path, uint16_t size
* @param unicode_letter an unicode letter which bitmap should be get
* @return pointer to the bitmap or NULL if not found
*/
const uint8_t * IRAM_ATTR lv_font_get_bitmap_fmt_zifont(const lv_font_t * font, uint32_t unicode_letter)
const uint8_t* IRAM_ATTR lv_font_get_bitmap_fmt_zifont(const lv_font_t* font, uint32_t unicode_letter)
{
/* Bitmap still in buffer */
if(charInBuffer == unicode_letter && charBitmap_p) {
@ -263,8 +290,8 @@ const uint8_t * IRAM_ATTR lv_font_get_bitmap_fmt_zifont(const lv_font_t * font,
return charBitmap_p;
}
lv_font_fmt_zifont_dsc_t * fdsc = (lv_font_fmt_zifont_dsc_t *)font->dsc; /* header data struct */
lv_zifont_char_t * charInfo;
lv_font_fmt_zifont_dsc_t* fdsc = (lv_font_fmt_zifont_dsc_t*)font->dsc; /* header data struct */
lv_zifont_char_t* charInfo;
/* Space */
if(unicode_letter == 0x20) {
@ -289,7 +316,7 @@ const uint8_t * IRAM_ATTR lv_font_get_bitmap_fmt_zifont(const lv_font_t * font,
charmap_position = 25 + sizeof(zi_font_header_t);
glyphID = unicode_letter - 0xf000; // start of fontawesome
} else {
strcpy(filename, (char *)font->user_data);
strcpy(filename, (char*)font->user_data);
charmap_position = fdsc->Startdataaddress;
glyphID = unicode_letter - 0x20; // simple unicode to ascii - space is charNum=0
}
@ -303,11 +330,11 @@ const uint8_t * IRAM_ATTR lv_font_get_bitmap_fmt_zifont(const lv_font_t * font,
} else {
Serial.print("%");
/* Read Character Table */
charInfo = (lv_zifont_char_t *)lv_mem_alloc(sizeof(lv_zifont_char_t));
charInfo = (lv_zifont_char_t*)lv_mem_alloc(sizeof(lv_zifont_char_t));
// lv_memset(charInfo, 0x00, sizeof(lv_zifont_char_t)); // lv_mem_alloc might be dirty
uint32_t char_position = glyphID * sizeof(lv_zifont_char_t) + charmap_position;
file.seek(char_position, SeekSet);
size_t readSize = file.readBytes((char *)charInfo, sizeof(lv_zifont_char_t));
size_t readSize = file.readBytes((char*)charInfo, sizeof(lv_zifont_char_t));
/* Check that we read the correct size */
if(readSize != sizeof(lv_zifont_char_t)) {
@ -441,7 +468,7 @@ const uint8_t * IRAM_ATTR lv_font_get_bitmap_fmt_zifont(const lv_font_t * font,
* @return true: descriptor is successfully loaded into `dsc_out`.
* false: the letter was not found, no data is loaded to `dsc_out`
*/
bool IRAM_ATTR lv_font_get_glyph_dsc_fmt_zifont(const lv_font_t * font, lv_font_glyph_dsc_t * dsc_out,
bool IRAM_ATTR lv_font_get_glyph_dsc_fmt_zifont(const lv_font_t* font, lv_font_glyph_dsc_t* dsc_out,
uint32_t unicode_letter, uint32_t unicode_letter_next)
{
/* Only ascii characteres supported for now */
@ -452,7 +479,7 @@ bool IRAM_ATTR lv_font_get_glyph_dsc_fmt_zifont(const lv_font_t * font, lv_font_
// if(unicode_letter > 0xff) Serial.printf("Char# %u\n", unicode_letter);
// ulong startMillis = millis();
lv_font_fmt_zifont_dsc_t * fdsc = (lv_font_fmt_zifont_dsc_t *)font->dsc; /* header data struct */
lv_font_fmt_zifont_dsc_t* fdsc = (lv_font_fmt_zifont_dsc_t*)font->dsc; /* header data struct */
uint16_t glyphID;
File file;
@ -482,7 +509,7 @@ bool IRAM_ATTR lv_font_get_glyph_dsc_fmt_zifont(const lv_font_t * font, lv_font_
snprintf_P(filename, sizeof(filename), PSTR("/fontawesome%u.zi"), fdsc->CharHeight);
if(!openFont(file, filename)) return false;
} else {
if(!openFont(file, (char *)font->user_data)) return false;
if(!openFont(file, (char*)font->user_data)) return false;
}
/* read 10 bytes charmap */
@ -490,7 +517,7 @@ bool IRAM_ATTR lv_font_get_glyph_dsc_fmt_zifont(const lv_font_t * font, lv_font_
lv_zifont_char_t myCharIndex;
uint32_t char_position = glyphID * sizeof(lv_zifont_char_t) + charmap_position;
file.seek(char_position, SeekSet);
size_t readSize = file.readBytes((char *)&myCharIndex, sizeof(lv_zifont_char_t));
size_t readSize = file.readBytes((char*)&myCharIndex, sizeof(lv_zifont_char_t));
file.close();
/* Check that we read the correct size */
@ -536,7 +563,7 @@ bool IRAM_ATTR lv_font_get_glyph_dsc_fmt_zifont(const lv_font_t * font, lv_font_
return true;
}
static void IRAM_ATTR blackAdd(uint8_t * charBitmap_p, uint16_t pos)
static void IRAM_ATTR blackAdd(uint8_t* charBitmap_p, uint16_t pos)
{
uint8_t col = pos & 0x0001; // remainder
uint16_t map_p = pos >> 1; // devide by 2
@ -548,7 +575,7 @@ static void IRAM_ATTR blackAdd(uint8_t * charBitmap_p, uint16_t pos)
}
}
static inline void IRAM_ATTR colorsAdd(uint8_t * charBitmap_p, uint8_t color1, uint16_t pos)
static inline void IRAM_ATTR colorsAdd(uint8_t* charBitmap_p, uint8_t color1, uint16_t pos)
{
uint32_t col = pos & 0x0001; // remainder
uint32_t map_p = pos >> 1; // devide by 2