160 lines
4 KiB
C
160 lines
4 KiB
C
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/**
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* @file fontutils.h
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* @brief help functions for font and char
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* @author Yunhui Fu (yhfudev@gmail.com)
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* @version 1.0
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* @date 2016-08-19
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* @copyright GPL/BSD
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*/
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#ifndef _FONT_UTILS_H
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#define _FONT_UTILS_H
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#define DEBUG 0
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#ifdef ARDUINO
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#include <Arduino.h>
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#else // ARDUINO
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#endif // ARDUINO
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#ifndef pgm_read_word_near // __AVR__
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#include <stdint.h>
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#include <string.h>
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#include <assert.h>
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//#define pgm_read_word_near(a) *((uint16_t *)(a))
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#define pgm_read_word_near(a) (*(a))
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#define pgm_read_byte_near(a) *((uint8_t *)(a))
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#define pgm_read_byte pgm_read_byte_near
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#elif defined(__AVR__)
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#include <avr/pgmspace.h>
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#endif
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#ifndef PROGMEM
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#define PROGMEM
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#define strlen_P strlen
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#define memcpy_P memcpy
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#define vsnprintf_P vsnprintf
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#endif // PROGMEM
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#ifdef __cplusplus
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extern "C" {
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#endif
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// read a byte from ROM or RAM
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typedef uint8_t (* read_byte_cb_t)(uint8_t * str);
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//inline uint8_t read_byte_ram(uint8_t * str) { return *str; }
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//inline uint8_t read_byte_rom(uint8_t * str) { return pgm_read_byte(str); }
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uint8_t read_byte_ram(uint8_t * str);
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uint8_t read_byte_rom(uint8_t * str);
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#ifdef __cplusplus
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}
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#endif
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#include <stddef.h> // wchar_t
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#include <stdint.h> // uint32_t
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#ifdef ARDUINO
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// there's overflow of the wchar_t due to the 2-byte size in Arduino
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// sizeof(wchar_t)=2; sizeof(size_t)=2; sizeof(uint32_t)=4;
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// sizeof(int)=2; sizeof(long)=4; sizeof(unsigned)=2;
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//#undef wchar_t
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#define wchar_t uint32_t
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//typedef uint32_t wchar_t;
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#else
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#include <sys/types.h> // ssize_t
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#include <assert.h>
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// x86_64
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// sizeof(wchar_t)=4; sizeof(size_t)=8; sizeof(uint32_t)=4;
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// sizeof(int)=4; sizeof(long)=8; sizeof(unsigned)=4;
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//#define wchar_t uint32_t
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#define wchar_t size_t
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#ifndef PRIu32
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#define PRIu32 "lu"
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#endif
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#ifndef PRIX32
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#define PRIX32 "lX"
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#endif
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#endif
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#define UNUSED_VARIABLE(a) ((void)(a))
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#ifndef MIN
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#define MIN(a,b) (((a)>(b))?(b):(a))
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#endif
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#ifndef NUM_ARRAY
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#define NUM_ARRAY(a) (sizeof(a)/sizeof((a)[0]))
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#endif // NUM_ARRAY
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#ifdef __cplusplus
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extern "C" {
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#endif
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//#define pixel_len_t u8g_uint_t
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#define pixel_len_t uint16_t
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//#define pixel_len_t uint8_t
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//typedef uint16_t pixel_len_t;
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#define PIXEL_LEN_NOLIMIT ((pixel_len_t)(-1))
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typedef int (* pf_bsearch_cb_comp_t)(void *userdata, size_t idx, void * data_pin); /*"data_list[idx] - *data_pin"*/
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int pf_bsearch_r(void *userdata, size_t num_data, pf_bsearch_cb_comp_t cb_comp, void *data_pinpoint, size_t *ret_idx);
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//wchar_t get_val_utf82uni(uint8_t *pstart);
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//uint8_t * get_utf8_value(uint8_t *pstart, wchar_t *pval);
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uint8_t * get_utf8_value_cb(uint8_t *pstart, read_byte_cb_t cb_read_byte, wchar_t *pval);
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uint8_t utf8_strlen(const char *pstart);
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uint8_t utf8_strlen_P(const char *pstart);
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char * utf8_strncpy(char * destination, const char * source, size_t num);
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char * utf8_strncpy_P(char * destination, const char * source, size_t num);
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int my_strlen_P(const char *pstart);
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#if 0 // DEBUG
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#if 0 //defined(ARDUINO)
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#if defined(__AVR__)
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#define TRACE(fmt, ...) {static const PROGMEM char CONSTSTR[] = "%d %d " fmt " {ln:%d;}\n"; serial_printf_P(CONSTSTR, millis(), ##__VA_ARGS__, __LINE__); }
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#else
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#define TRACE(fmt, ...) {static const PROGMEM char CONSTSTR[] = "%d " fmt " {ln:%d, fn:" __FILE__ "}\n"; serial_printf_P(CONSTSTR, millis(), ##__VA_ARGS__, __LINE__); }
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#endif
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#define FU_ASSERT(a) if (!(a)) {TRACE("Assert: " # a ); }
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#ifdef __cplusplus
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extern "C" {
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#endif
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void serial_printf_P(const char *format, ...);
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#ifdef __cplusplus
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}
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#endif
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#else // ARDUINO
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#include <stdio.h>
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#define FU_ASSERT(a) if (!(a)) {printf("Assert: " # a); exit(1);}
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#define TRACE(fmt, ...) fprintf(stdout, "[%s()] " fmt " {ln:%d, fn:" __FILE__ "}\n", __func__, ##__VA_ARGS__, __LINE__)
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//#else
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//#define FU_ASSERT(a)
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//#define TRACE(...)
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#endif // ARDUINO
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#else // DEBUG
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#define TRACE(fmt, ...)
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#define FU_ASSERT(a)
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#endif // DEBUG
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#ifdef __cplusplus
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}
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#endif
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#endif // _FONT_UTILS_H
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