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cjk printing done,but still has bug ,will lose top line of bitmap occasionally

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This commit is contained in:
cuu 2022-02-27 03:15:40 -06:00
parent a7707aa703
commit 441adea43f
3 changed files with 42 additions and 6 deletions
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1
Code/thermal_printer/ftype.h
View File

@ -20,6 +20,7 @@ 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);
int face_get_line_spacing (FT_Face face);
int get_slice_len(const char lb);

35
Code/thermal_printer/printer.c
View File

@ -432,7 +432,7 @@ uint8_t print_lines_ft(CONFIG*cfg) {
uint8_t dot_line_bitsidx=0;
uint8_t lastidx,lastw,lastj;
uint8_t row;
uint8_t row,row_offset,row_cnt;
uint16_t line_bits;
int8_t left = ser_cache.idx;
@ -452,6 +452,8 @@ uint8_t print_lines_ft(CONFIG*cfg) {
while( left>0 ) {
i = lastidx;
row_cnt = 0;
row_offset = 0;
while(row<current_font.height){
line_bits=cfg->margin.width;
dot_line_idx = line_bits/8;
@ -459,6 +461,7 @@ uint8_t print_lines_ft(CONFIG*cfg) {
memset(dot_line_data,0,MAXPIXELS);
//line by line bitmap dots to print
i = lastidx;
while( i <ser_cache.idx) {
ch = (uint8_t*)&ser_cache.data[i];
codename = utf8_to_utf32(ch);
@ -470,9 +473,14 @@ uint8_t print_lines_ft(CONFIG*cfg) {
int glyph_height = cfg->face->glyph->metrics.height / 64;
int advance = cfg->face->glyph->metrics.horiAdvance / 64;
int x_off = (advance - glyph_width) / 2;
int bitmap_rows = cfg->face->glyph->bitmap.rows;
int bitmap_top = cfg->face->glyph->bitmap_top;
int bitmap_left = cfg->face->glyph->bitmap_left;
//FT_Render_Glyph(cfg->face->glyph, FT_RENDER_MODE_NORMAL);
FT_Render_Glyph(cfg->face->glyph, FT_RENDER_MODE_MONO); //disable AA
row_offset = (current_font.height - bitmap_rows)/2;
j = 0; w= 0;
if(lastj !=0){j= lastj;}
if(lastw !=0) { w = lastw;}
@ -483,12 +491,22 @@ uint8_t print_lines_ft(CONFIG*cfg) {
dot_line_bitsidx=0;
}
unsigned char p =
cfg->face->glyph->bitmap.buffer[row * cfg->face->glyph->bitmap.pitch + w];
//unsigned char p = cfg->face->glyph->bitmap.buffer[row * cfg->face->glyph->bitmap.pitch + w];
unsigned char p = 0;
if( row >= row_offset ) {
row_cnt = row-row_offset;
if(row_cnt <= bitmap_rows) {
p = (cfg->face->glyph->bitmap.buffer[row_cnt*cfg->face->glyph->bitmap.pitch+j] >> (7-w%8)) & 1;//disable AA
}
}
if(p) {
printf("#");
dot_line_data[dot_line_idx ] |= 1<<(7-dot_line_bitsidx);
}
}else {
printf("0");
}
dot_line_bitsidx++;
w++;
@ -537,12 +555,17 @@ uint8_t print_lines_ft(CONFIG*cfg) {
print_dots_8bit_split(cfg,dot_line_data,dot_line_idx+1);
}
row++;
printf("\n");
}
left = left - lastidx;
row = 0;
printf("current font line space: %d\n",face_get_line_spacing(cfg->face));
if(cfg->line_space > cfg->font->height){
feed_pitch1(cfg->line_space - cfg->font->height,cfg->orient);
}
if(face_get_line_spacing(cfg->face) > cfg->font->height) {
feed_pitch1(face_get_line_spacing(cfg->face) - cfg->font->height,cfg->orient);
}
}

12
Code/thermal_printer/test.txt Normal file
View File

@ -0,0 +1,12 @@
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