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add font template
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Gabor Kiss-Vamosi
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225c2f727c
commit
5ef94e395d
201
src/lv_fonts/lv_font_template.c
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201
src/lv_fonts/lv_font_template.c
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#include "lvgl/lvgl.h"
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/***********************************************************************************
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* Size: 20 px
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* Bpp: 1 (or 2/4/8/compressed)
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* Fonts:
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* DejaVuSans.ttf: U+0020 ( ) .. U+007e (~) range
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* FoneAwesome.ttf: U+1e20 (?) .. U+1f22 (?), U+1f33 (?), U+1f66 (?)
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**********************************************************************************/
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/*-----------------
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* BITMAPS
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*----------------*/
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/*Store the image of the glyphs*/
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static const uint8_t gylph_bitmap[] = {
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/*Unicode: U+0031 (1) , Width: 8 */
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0x38, //.+@@@...
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0xf8, //@@@@@...
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0x98, //@+.@@...
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0x18, //...@@...
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0x18, //...@@...
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0x18, //...@@...
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0x18, //...@@...
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0x18, //...@@...
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0x18, //...@@...
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0x18, //...@@...
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0x18, //...@@...
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0xff, //@@@@@@@@
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0xff, //@@@@@@@@
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/*Unicode: U+0033 (3) , Width: 9 */
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0x7e, 0x00, //.%@@@@%..
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0xff, 0x00, //@@@@@@@@+
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0x83, 0x80, //@+....%@@
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0x01, 0x80, //.......@@
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0x03, 0x80, //......%@%
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0x3e, 0x00, //..@@@@@+.
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0x3f, 0x00, //..@@@@@%.
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0x03, 0x80, //.....+@@%
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0x01, 0x80, //.......@@
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0x01, 0x80, //.......@@
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0x83, 0x80, //%+...+@@%
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0xff, 0x00, //@@@@@@@@.
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0x7e, 0x00, //.%@@@@%..
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/*Unicode: U+0041 (A) , Width: 12 */
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0x06, 0x00, //.....@@.....
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0x06, 0x00, //....+@@+....
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0x0f, 0x00, //....@@@@....
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0x0f, 0x00, //....@@@@....
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0x19, 0x80, //...%@++@%...
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0x19, 0x80, //...@@..@@...
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0x19, 0x80, //..+@%..%@+..
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0x30, 0xc0, //..@@....@@..
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0x3f, 0xc0, //..@@@@@@@@..
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0x7f, 0xe0, //.%@@@@@@@@%.
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0x60, 0x60, //.@@......@@.
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0x60, 0x60, //+@%......%@+
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0xc0, 0x30, //@@+......+@@
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/*Unicode: U+0061 (a) , Width: 8 */
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0x3c, //.+%@@@+.
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0x7e, //.@@@@@@.
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0x47, //.%...%@%
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0x03, //......@@
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0x3f, //.+@@@@@@
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0xff, //%@@@@@@@
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0xc3, //@@+...@@
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0xc7, //@@+..%@@
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0xff, //%@@@@%@@
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0x7b, //.%@@%.@@
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};
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/*---------------------
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* GLYPH DESCRIPTION
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*--------------------*/
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static lv_font_glyph_dsc_fmt_txt_t glyph_dsc[] = {
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{.bitmap_index = 0, .adv_w = 123, .box_h = 13, .box_w = 9, .ofs_x = 2, .ofs_y = 5},
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{.bitmap_index = 32, .adv_w = 234, .box_h = 12, .box_w = 7, .ofs_x = 1, .ofs_y = 3},
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{.bitmap_index = 55, .adv_w = 98, .box_h = 11, .box_w = 8, .ofs_x = 0, .ofs_y = 4},
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};
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/*---------------------
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* CHARACTER MAPPING
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*--------------------*/
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static uint16_t unicode_list_1 = {0x234, 0x295, 0x456};
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static uint16_t glyph_id_ofs_list_1 = {232, 545, 1466};
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static uint8_t glyph_id_ofs_list_3 = {32, 45, 66};
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/*Collect the unicode lists and glyph_id offsets*/
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static const lv_font_cmap_fmt_txt_t cmaps[] = {
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{ .range_start = 0x280, .range_length = 124, .glyph_id_start = 223, .unicode_list = unicode_list_1, .glyph_id_ofs_list = glyph_id_ofs_list_1},
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{ .range_start = 0x20, .range_length = 112, .glyph_id_start = 456, .unicode_list = NULL, .glyph_id_ofs_list = NULL},
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{ .range_start = 0x560, .range_length = 7654, .glyph_id_start = 756, .unicode_list = NULL, .glyph_id_ofs_list = glyph_id_ofs_list_3},
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};
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/*-----------------
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* KERNING
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*----------------*/
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/*Left glyphs for kering*/
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static uint16_t kern_left_gylph_ids[] =
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{
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0x21, 0x42, 0x53
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};
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/*Left glyphs for kering*/
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static uint16_t kern_right_gylph_ids[] =
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{
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0x41, 0x342, 0x333
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};
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/*Kerning between the respective left and right glyphs*/
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static uint8_t kern_pair_values[] =
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{
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15, 52, 73
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};
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/*Collect the kern pair's data in one place*/
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static lv_font_kern_pair_fmt_txt_t kern_pairs =
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{
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.left_gylph_ids = kern_left_gylph_ids,
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.right_gylph_ids = kern_right_gylph_ids,
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.values = kern_pair_values,
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.pair_cnt = 3,
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};
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/***** OR ******/
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/*Map glyph_ids to kern left classes*/
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static uint8_t kern_left_class_mapping[] =
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{
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1, 2, 1, 1, 1, 1, 1, 1
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};
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/*Map glyph_ids to kern right classes*/
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static uint8_t kern_right_class_mapping[] =
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{
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1, 2, 3, 2, 2, 3, 3, 1
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};
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/*Kern values between classes*/
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static uint8_t kern_class_values =
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{
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32, 33, 22, 11, 55, 33, 22, 44
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};
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/*Collect the kern class' data in one place*/
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static lv_font_kern_classes_fmt_txt_t kern_classes =
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{
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.class_pair_values = kern_class_values,
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.left_class_mapping = kern_left_class_mapping,
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.right_class_mapping = kern_right_class_mapping,
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.left_class_cnt = 2,
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.right_class_cnt = 3,
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};
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/*--------------------
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* ALL CUSTOM DATA
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*--------------------*/
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/*Store all the custom data of the font*/
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static lv_font_dsc_fmt_txt_t font_dsc = {
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.glyph_bitmap = gylph_bitmap,
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.glyph_dsc = glyph_dsc,
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.cmaps = cmaps,
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.cmap_num = 3,
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.bpp = 4,
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.kern_dsc = kern_classes,
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.kern_classes = 1,
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/*** OR ***/
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.kern_dsc = kern_pairs,
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.kern_classes = 0,
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};
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/*-----------------
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* PUBLIC FONT
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*----------------*/
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/*Initialize a public general font descriptor*/
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lv_font_t font_name = {
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.unicode_first = 0x20, /*First Unicode letter in this font*/
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.unicode_last = 0x3F45, /*Last Unicode letter in this font*/
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.dsc = &font_dsc, /*The custom font data. Will be accessed by `get_glyph_bitmap/dsc` */
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.get_glyph_bitmap = lv_font_get_bitmap_format_text_plain, /*Function pointer to get glyph's bitmap*/
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.get_glyph_dsc = lv_font_get_glyph_dsc_format_text_plain, /*Function pointer to get glyph's data*/
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.line_height = 20, /*The maximum line height required by the font*/
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.base_line = 9, /*Baseline measured from the bottom of the line*/
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};
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