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font_wip branch: new WIP font stuff using "stb_truetype.h",

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not implemented for EAN/UPC, not fully tested
This commit is contained in:
gitlost
2026-07-27 12:21:19 +01:00
parent d6a4bdfe90
commit a4f0fa0fd2
144 changed files with 8276 additions and 1567 deletions
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backend/library.c
+18 -4
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@@ -66,7 +66,7 @@ static void set_symbol_defaults(struct zint_symbol *symbol) {
memcpy(symbol->outfile, "out.png", 8);
#endif
symbol->option_1 = -1;
symbol->show_hrt = 1; /* Show human readable text */
symbol->show_hrt = ZINT_HRT_DEFAULT; /* Show human readable text (HRT) for most linear barcodes */
symbol->input_mode = DATA_MODE;
/* symbol->eci = 0; Default 0 uses ECI 3 */
symbol->dot_size = 0.8f; /* 0.4 / 0.5 */
@@ -988,13 +988,21 @@ int ZBarcode_Encode_Segs(struct zint_symbol *symbol, const struct zint_seg segs[
return error_tag(ZINT_ERROR_INVALID_DATA, symbol, 771, "Too many input segments (maximum 256)");
}
if ((symbol->input_mode & 0x07) > 2) {
if ((symbol->input_mode & 0x07) > GS1_MODE) {
symbol->input_mode = DATA_MODE; /* Reset completely */
warn_number = error_tag(ZINT_WARN_INVALID_OPTION, symbol, 212, "Invalid input mode - reset to DATA_MODE");
if (warn_number >= ZINT_ERROR) {
return warn_number;
}
}
if ((symbol->show_hrt & 0x7) > ZINT_HRT_ALL) {
symbol->show_hrt = ZINT_HRT_DEFAULT; /* Reset completely */
warn_number = error_tag(ZINT_WARN_INVALID_OPTION, symbol, 210,
"Invalid show HRT - reset to ZINT_HRT_DEFAULT");
if (warn_number >= ZINT_ERROR) {
return warn_number;
}
}
/* Check the symbology field */
if (!ZBarcode_ValidID(symbol->symbology)) {
@@ -1069,8 +1077,8 @@ int ZBarcode_Encode_Segs(struct zint_symbol *symbol, const struct zint_seg segs[
" output_options: 0x%X, fg: \"%s\", bg: \"%s\"\n"
" outfile: \"%s\"\n"
" primary (%d): \"%s\"\n"
" option_1/2/3: (%d, %d, %d), show_hrt: %d, input_mode: 0x%X, ECI: %d, dpmm: %g"
", dot_size: %g\n"
" option_1/2/3: (%d, %d, %d), show_hrt: 0x%X, input_mode: 0x%X, ECI: %d"
", dpmm: %g, dot_size: %g\n"
" text_gap: %g, guard_descent: %g, structapp index/count/id: (%d, %d, \"%s\")"
", warn_level: %d, seg_count %d\n"
" %ssource%s (%d): \"%s\"\n",
@@ -1130,6 +1138,12 @@ int ZBarcode_Encode_Segs(struct zint_symbol *symbol, const struct zint_seg segs[
if (symbol->scale < 0.01f || symbol->scale > 200.0f) {
return error_tag(ZINT_ERROR_INVALID_OPTION, symbol, 227, "Scale out of range (0.01 to 200)");
}
if (symbol->show_hrt & 0xFF0000) {
const int hrt_font_height = (symbol->show_hrt >> 16) & 0xFF;
if (hrt_font_height < 10 || hrt_font_height > 200) {
return error_tag(ZINT_ERROR_INVALID_OPTION, symbol, 764, "Font height out of range (10 to 200) ");
}
}
if (symbol->dot_size < 0.01f || symbol->dot_size > 20.0f) {
return error_tag(ZINT_ERROR_INVALID_OPTION, symbol, 221, "Dot size out of range (0.01 to 20)");
}