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cjk with printer_set_font

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This commit is contained in:
cuu 2022-03-11 06:00:10 -06:00
parent ffa3fa0aa9
commit ab06c8f192
4 changed files with 63 additions and 21 deletions
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5
Code/thermal_printer/config.h
View File

@ -1,9 +1,10 @@
#ifndef CONFIG_H
#define CONFIG_H
#include <freetype/freetype.h>
// clang-format off
#include <freetype2/ft2build.h>
#include <freetype/freetype.h>
// clang-format on
/// raspberry pi CM3
#define BCM_GPIO_28 28

67
Code/thermal_printer/devterm_thermal_printer.c
View File

@ -89,6 +89,9 @@ void init_printer() {
img_cache.need_print = 0;
img_cache.revert_bits = 0;
ser_cache.idx = 0;
ser_cache.utf8idx = 0;
/*
current_font.width=5; current_font.height=7; current_font.data =
font_pcf_5x7_ISO8859_1_5x7; current_font.width=6;current_font.height=12;
@ -103,23 +106,29 @@ void init_printer() {
current_font.width=8;current_font.height=16; current_font.data=
font_ttf_Px437_PS2thin2_8x16;
*/
current_font.width = 16;
current_font.height = 16;
current_font.data = font_ttf_Px437_PS2thin1_8x16;
current_font.file = "NotoSansCJK-Regular.ttf";
current_font.mode = FONT_MODE_1;
// auto detect TTF ,switch to FONT_MODE_1
if (getenv("TTF") && access(getenv("TTF"), F_OK) != -1) {
printf("TTF=%s\n", getenv("TTF"));
current_font.width = 12;
current_font.height = 12;
current_font.data = NULL;
current_font.file = getenv("TTF");
current_font.mode = FONT_MODE_1;
ser_cache.idx = 0;
ser_cache.utf8idx = 0;
if (init_ft(current_font.file, &face, &ft, current_font.width,
current_font.height, &error)) {
g_config.face = face;
g_config.ft = ft;
if (init_ft(current_font.file, &face, &ft, current_font.width,
current_font.height, &error)) {
g_config.face = face;
g_config.ft = ft;
} else {
printf("init_ft error %s\n", error);
g_config.face = NULL;
g_config.ft = NULL;
}
} else {
printf("init_ft error %s\n", error);
g_config.face = NULL;
g_config.ft = NULL;
current_font.mode = FONT_MODE_0;
current_font.width = 8;
current_font.height = 16;
current_font.data = font_ttf_Px437_PS2thin2_8x16;
}
g_config.line_space = 0;
@ -404,7 +413,7 @@ void printer_set_font(CONFIG *cfg, uint8_t fnbits) {
uint8_t ret;
ret = MID(fnbits, 0, 3);
if (cfg->font->mode == 0) {
if (cfg->font->mode == FONT_MODE_0) {
if (ret == 0) {
cfg->font->width = 8;
cfg->font->height = 16;
@ -436,9 +445,29 @@ void printer_set_font(CONFIG *cfg, uint8_t fnbits) {
}
}
if (cfg->font->mode == 1) {
cfg->font->width = 16;
cfg->font->height = 16;
if (cfg->font->mode == FONT_MODE_1) {
if (ret == 0) {
cfg->font->width = 12;
cfg->font->height = 12;
}
if (ret == 1) {
cfg->font->width = 14;
cfg->font->height = 14;
}
if (ret == 2) {
cfg->font->width = 16;
cfg->font->height = 16;
}
if (ret == 3) {
cfg->font->width = 18;
cfg->font->height = 18;
}
if (ret == 4) {
cfg->font->width = 20;
cfg->font->height = 20;
}
change_ft_size(cfg->face, cfg->font->width, cfg->font->height);
}
}

10
Code/thermal_printer/ftype.c
View File

@ -31,6 +31,16 @@ bool init_ft(const char *ttf_file, FT_Face *face, FT_Library *ft,
return ret;
}
bool change_ft_size(FT_Face face, int req_size_w, int req_size_h) {
bool ret = false;
if (FT_Set_Pixel_Sizes(face, req_size_w, req_size_h) == 0) {
ret = true;
} else {
printf("Can't set font size");
}
return ret;
}
/*===========================================================================
done_ft
Clean up after we've finished wih the FreeType librar

2
Code/thermal_printer/ftype.h
View File

@ -20,6 +20,8 @@ typedef int32_t UTF32;
bool init_ft(const char *ttf_file, FT_Face *face, FT_Library *ft,
int req_size_w, int req_size_h, char **error);
bool change_ft_size(FT_Face face, int req_size_w, int req_size_h);
int face_get_line_spacing(FT_Face face);
int get_slice_len(const char lb);