96 lines
2.9 KiB
C
96 lines
2.9 KiB
C
/*
|
||
*---------------------------------------------------------------
|
||
* Lvgl Font Tool
|
||
*
|
||
* 注:使用unicode编码
|
||
* 注:本字体文件由Lvgl Font Tool V0.4 生成
|
||
* 作者:阿里(qq:617622104)
|
||
*---------------------------------------------------------------
|
||
*/
|
||
|
||
|
||
#include "lvgl.h"
|
||
|
||
|
||
typedef struct{
|
||
uint16_t min;
|
||
uint16_t max;
|
||
uint8_t bpp;
|
||
uint8_t reserved[3];
|
||
}x_header_t;
|
||
typedef struct{
|
||
uint32_t pos;
|
||
}x_table_t;
|
||
typedef struct{
|
||
uint8_t adv_w;
|
||
uint8_t box_w;
|
||
uint8_t box_h;
|
||
int8_t ofs_x;
|
||
int8_t ofs_y;
|
||
uint8_t r;
|
||
}glyph_dsc_t;
|
||
|
||
|
||
static x_header_t __g_xbf_hd = {
|
||
.min = 0x0020,
|
||
.max = 0x9fa5,
|
||
.bpp = 2,
|
||
};
|
||
|
||
|
||
//static uint8_t __g_font_buf[80];//如bin文件存在SPI FLASH可使用此buff
|
||
|
||
|
||
static uint8_t *__user_font_getdata(int offset, int size){
|
||
//如字模保存在SPI FLASH, SPIFLASH_Read(__g_font_buf,offset,size);
|
||
//如字模已加载到SDRAM,直接返回偏移地址即可如:return (uint8_t*)(sdram_fontddr+offset);
|
||
return __g_font_buf;
|
||
}
|
||
|
||
|
||
static const uint8_t * __user_font_get_bitmap(const lv_font_t * font, uint32_t unicode_letter) {
|
||
if( unicode_letter>__g_xbf_hd.max || unicode_letter<__g_xbf_hd.min ) {
|
||
return NULL;
|
||
}
|
||
uint32_t unicode_offset = sizeof(x_header_t)+(unicode_letter-__g_xbf_hd.min)*4;
|
||
uint32_t *p_pos = (uint32_t *)__user_font_getdata(unicode_offset, 4);
|
||
if( p_pos[0] != 0 ) {
|
||
uint32_t pos = p_pos[0];
|
||
glyph_dsc_t * gdsc = (glyph_dsc_t*)__user_font_getdata(pos, sizeof(glyph_dsc_t));
|
||
return __user_font_getdata(pos+sizeof(glyph_dsc_t), gdsc->box_w*gdsc->box_h*__g_xbf_hd.bpp/8);
|
||
}
|
||
return NULL;
|
||
}
|
||
|
||
|
||
static bool __user_font_get_glyph_dsc(const lv_font_t * font, lv_font_glyph_dsc_t * dsc_out, uint32_t unicode_letter, uint32_t unicode_letter_next) {
|
||
if( unicode_letter>__g_xbf_hd.max || unicode_letter<__g_xbf_hd.min ) {
|
||
return NULL;
|
||
}
|
||
uint32_t unicode_offset = sizeof(x_header_t)+(unicode_letter-__g_xbf_hd.min)*4;
|
||
uint32_t *p_pos = (uint32_t *)__user_font_getdata(unicode_offset, 4);
|
||
if( p_pos[0] != 0 ) {
|
||
glyph_dsc_t * gdsc = (glyph_dsc_t*)__user_font_getdata(p_pos[0], sizeof(glyph_dsc_t));
|
||
dsc_out->adv_w = gdsc->adv_w;
|
||
dsc_out->box_h = gdsc->box_h;
|
||
dsc_out->box_w = gdsc->box_w;
|
||
dsc_out->ofs_x = gdsc->ofs_x;
|
||
dsc_out->ofs_y = gdsc->ofs_y;
|
||
dsc_out->bpp = __g_xbf_hd.bpp;
|
||
return true;
|
||
}
|
||
return false;
|
||
}
|
||
|
||
|
||
//Source Han Sans Old Style Light,,-1
|
||
//字模高度：16
|
||
//XBF字体,外部bin文件
|
||
lv_font_t free16 = {
|
||
.get_glyph_bitmap = __user_font_get_bitmap,
|
||
.get_glyph_dsc = __user_font_get_glyph_dsc,
|
||
.line_height = 16,
|
||
.base_line = 0,
|
||
};
|
||
|