108 lines
3.0 KiB
C
108 lines
3.0 KiB
C
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/*
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*---------------------------------------------------------------
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* Lvgl Font Tool
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*
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* 注:使用unicode编码
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* 注:本字体文件由Lvgl Font Tool V0.4 生成
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* 作者:阿里(qq:617622104)
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*---------------------------------------------------------------
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*/
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#if !defined(VG_ONLY) && !defined(AWTK)
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#include "lvgl/lvgl.h"
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#include "romfile.h"
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typedef struct{
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uint16_t min;
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uint16_t max;
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uint8_t bpp;
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uint8_t reserved[3];
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}x_header_t;
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typedef struct{
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uint32_t pos;
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}x_table_t;
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typedef struct{
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uint8_t adv_w;
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uint8_t box_w;
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uint8_t box_h;
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int8_t ofs_x;
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int8_t ofs_y;
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uint8_t r;
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}glyph_dsc_t;
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static x_header_t __g_xbf_hd = {
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.min = 0x0020,
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.max = 0x9fa0,
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.bpp = 4,
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};
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static uint8_t *__g_font_buf = NULL;
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static uint8_t *__user_font_getdata(int offset, int size){
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if (!__g_font_buf) {
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RomFile *fontfile = RomFileOpen("myFont26.bin");
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if (!fontfile) {
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printf("open romfile myFont26.bin fail.\n");
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return NULL;
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}
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RomFileRead(fontfile, NULL, fontfile->size);
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__g_font_buf = fontfile->buf;
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#ifndef ROMFILE_USE_SMALL_MEM
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RomFileClose(fontfile);
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#endif
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}
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return __g_font_buf + offset;
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}
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static const uint8_t * __user_font_get_bitmap(const lv_font_t * font, uint32_t unicode_letter) {
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if( unicode_letter>__g_xbf_hd.max || unicode_letter<__g_xbf_hd.min ) {
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return NULL;
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}
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uint32_t unicode_offset = sizeof(x_header_t)+(unicode_letter-__g_xbf_hd.min)*4;
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uint32_t *p_pos = (uint32_t *)__user_font_getdata(unicode_offset, 4);
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if( p_pos[0] != 0 ) {
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uint32_t pos = p_pos[0];
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glyph_dsc_t * gdsc = (glyph_dsc_t*)__user_font_getdata(pos, sizeof(glyph_dsc_t));
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return __user_font_getdata(pos+sizeof(glyph_dsc_t), gdsc->box_w*gdsc->box_h*__g_xbf_hd.bpp/8);
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}
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return NULL;
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}
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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) {
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if( unicode_letter>__g_xbf_hd.max || unicode_letter<__g_xbf_hd.min ) {
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return NULL;
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}
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uint32_t unicode_offset = sizeof(x_header_t)+(unicode_letter-__g_xbf_hd.min)*4;
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uint32_t *p_pos = (uint32_t *)__user_font_getdata(unicode_offset, 4);
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if( p_pos[0] != 0 ) {
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glyph_dsc_t * gdsc = (glyph_dsc_t*)__user_font_getdata(p_pos[0], sizeof(glyph_dsc_t));
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dsc_out->adv_w = gdsc->adv_w;
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dsc_out->box_h = gdsc->box_h;
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dsc_out->box_w = gdsc->box_w;
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dsc_out->ofs_x = gdsc->ofs_x;
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dsc_out->ofs_y = gdsc->ofs_y;
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dsc_out->bpp = __g_xbf_hd.bpp;
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return true;
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}
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return false;
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}
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//SimSun,,-1
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//字模高度：30
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//XBF字体,外部bin文件
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lv_font_t myFont26 = {
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.get_glyph_bitmap = __user_font_get_bitmap,
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.get_glyph_dsc = __user_font_get_glyph_dsc,
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.line_height = 30,
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.base_line = 0,
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};
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#endif
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