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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/bmp.c
+34 -8
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@@ -1,7 +1,7 @@
/* bmp.c - Handles output to Windows Bitmap file */
/*
libzint - the open source barcode library
Copyright (C) 2009-2025 Robin Stuart <rstuart114@gmail.com>
Copyright (C) 2009-2026 Robin Stuart <rstuart114@gmail.com>
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
@@ -50,9 +50,10 @@ INTERNAL int zint_bmp_pixel_plot(struct zint_symbol *symbol, const unsigned char
bitmap_info_header_t info_header;
color_ref_t bg;
color_ref_t fg;
color_ref_t palette[8];
color_ref_t palette[256];
int ultra_fg_index = 9;
unsigned char map[128];
const int grayscale = zint_out_grayscale(symbol);
unsigned char *rowbuf;
(void) zint_out_colour_get_rgb(symbol->fgcolour, &fg.red, &fg.green, &fg.blue, NULL /*alpha*/);
@@ -75,6 +76,18 @@ INTERNAL int zint_bmp_pixel_plot(struct zint_symbol *symbol, const unsigned char
colour_count = ultra_fg_index == 9 ? 10 : 9;
map['0'] = 0;
map['1'] = (unsigned char) ultra_fg_index;
} else if (grayscale) {
const int diff_red = fg.red - bg.red;
const int diff_green = fg.green - bg.green;
const int diff_blue = fg.blue - bg.blue;
color_ref_t color = {0}; /* Ensure `reserved` is zero */
bits_per_pixel = 8;
for (colour_count = 0; colour_count <= 0xFF; colour_count++) {
color.red = bg.red + (diff_red * colour_count) / 0xFF;
color.green = bg.green + (diff_green * colour_count) / 0xFF;
color.blue = bg.blue + (diff_blue * colour_count) / 0xFF;
palette[colour_count] = color;
}
} else {
bits_per_pixel = 1;
colour_count = 2;
@@ -123,16 +136,22 @@ INTERNAL int zint_bmp_pixel_plot(struct zint_symbol *symbol, const unsigned char
zint_fm_write(&file_header, sizeof(bitmap_file_header_t), 1, fmp);
zint_fm_write(&info_header, sizeof(bitmap_info_header_t), 1, fmp);
zint_fm_write(&bg, sizeof(color_ref_t), 1, fmp);
if (bits_per_pixel == 4) {
for (i = 0; i < 8; i++) {
if (bits_per_pixel == 8) {
for (i = 0; i < colour_count; i++) {
zint_fm_write(&palette[i], sizeof(color_ref_t), 1, fmp);
}
if (ultra_fg_index == 9) {
} else {
zint_fm_write(&bg, sizeof(color_ref_t), 1, fmp);
if (bits_per_pixel == 4) {
for (i = 0; i < 8; i++) {
zint_fm_write(&palette[i], sizeof(color_ref_t), 1, fmp);
}
if (ultra_fg_index == 9) {
zint_fm_write(&fg, sizeof(color_ref_t), 1, fmp);
}
} else {
zint_fm_write(&fg, sizeof(color_ref_t), 1, fmp);
}
} else {
zint_fm_write(&fg, sizeof(color_ref_t), 1, fmp);
}
/* Pixel Plotting */
@@ -145,6 +164,13 @@ INTERNAL int zint_bmp_pixel_plot(struct zint_symbol *symbol, const unsigned char
}
zint_fm_write(rowbuf, 1, row_size, fmp);
}
} else if (bits_per_pixel == 8) {
memset(rowbuf, 0, row_size);
for (row = 0; row < symbol->bitmap_height; row++) {
const unsigned char *pb = pixelbuf + (symbol->bitmap_width * (symbol->bitmap_height - row - 1));
memcpy(rowbuf, pb, symbol->bitmap_width);
zint_fm_write(rowbuf, 1, row_size, fmp);
}
} else { /* bits_per_pixel == 1 */
for (row = 0; row < symbol->bitmap_height; row++) {
const unsigned char *pb = pixelbuf + ((size_t) symbol->bitmap_width * (symbol->bitmap_height - row - 1));