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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/tif.c
+59 -16
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@@ -208,9 +208,9 @@ INTERNAL int zint_tif_pixel_plot(struct zint_symbol *symbol, const unsigned char
uint16_t bits_per_sample;
int samples_per_pixel;
int pixels_per_sample;
unsigned char map[128];
unsigned char map[256];
tiff_color_t color_map[256] = {{0}};
unsigned char palette[32][5];
unsigned char palette[256][5];
int color_map_size = 0;
int extra_samples = 0;
size_t free_memory;
@@ -236,10 +236,14 @@ INTERNAL int zint_tif_pixel_plot(struct zint_symbol *symbol, const unsigned char
int ifd_size;
uint32_t temp32;
uint16_t temp16;
int have_alpha;
const int grayscale = zint_out_grayscale(symbol);
(void) zint_out_colour_get_rgb(symbol->fgcolour, &fg[0], &fg[1], &fg[2], &fg[3]);
(void) zint_out_colour_get_rgb(symbol->bgcolour, &bg[0], &bg[1], &bg[2], &bg[3]);
have_alpha = fg[3] != 0xFF || bg[3] != 0xFF;
if (symbol->symbology == BARCODE_ULTRA) {
static const unsigned char ultra_chars[8] = { 'W', 'C', 'B', 'M', 'R', 'Y', 'G', 'K' };
@@ -266,13 +270,9 @@ INTERNAL int zint_tif_pixel_plot(struct zint_symbol *symbol, const unsigned char
pmi = TIF_PMI_SEPARATED;
bits_per_sample = 8;
if (fg[3] == 0xff && bg[3] == 0xff) { /* If no alpha */
samples_per_pixel = 4;
} else {
samples_per_pixel = 5;
extra_samples = 1; /* Associated alpha */
}
samples_per_pixel = 4 + have_alpha;
pixels_per_sample = 1;
extra_samples = have_alpha; /* Associated alpha */
} else {
static const unsigned char ultra_rgbs[8][3] = {
{ 0xff, 0xff, 0xff, }, /* White */
@@ -294,7 +294,7 @@ INTERNAL int zint_tif_pixel_plot(struct zint_symbol *symbol, const unsigned char
map['1'] = 9;
memcpy(palette[9], fg, 4);
if (fg[3] == 0xff && bg[3] == 0xff) { /* If no alpha */
if (!have_alpha) {
pmi = TIF_PMI_PALETTE_COLOR;
for (i = 0; i < 10; i++) {
tif_to_color_map(palette[i], &color_map[i]);
@@ -311,6 +311,53 @@ INTERNAL int zint_tif_pixel_plot(struct zint_symbol *symbol, const unsigned char
extra_samples = 1; /* Associated alpha */
}
}
} else if (grayscale) { /* Anti-aliased */
if (symbol->output_options & CMYK_COLOUR) {
int diff_cyan, diff_magenta, diff_yellow, diff_black, diff_alpha;
tif_to_cmyk(symbol->bgcolour, palette[0]);
tif_to_cmyk(symbol->fgcolour, palette[0xFF]);
diff_cyan = palette[0xFF][0] - palette[0][0];
diff_magenta = palette[0xFF][1] - palette[0][1];
diff_yellow = palette[0xFF][2] - palette[0][2];
diff_black = palette[0xFF][3] - palette[0][3];
diff_alpha = palette[0xFF][4] - palette[0][4];
for (i = 1; i < 0xFF; i++) {
palette[i][0] = palette[0][0] + (diff_cyan * i) / 100.0f;
palette[i][1] = palette[0][1] + (diff_magenta * i) / 100.0f;
palette[i][2] = palette[0][2] + (diff_yellow * i) / 100.0f;
palette[i][3] = palette[0][3] + (diff_black * i) / 100.0f;
if (have_alpha) {
palette[i][4] = palette[0][4] + (diff_alpha * i) / 100.0f;
}
map[i] = i;
}
pmi = TIF_PMI_SEPARATED;
bits_per_sample = 8;
samples_per_pixel = 4 + have_alpha;
pixels_per_sample = 1;
extra_samples = have_alpha; /* Associated alpha */
} else {
const int diff_red = fg[0] - bg[0];
const int diff_green = fg[1] - bg[1];
const int diff_blue = fg[2] - bg[2];
const int diff_alpha = fg[3] - bg[3];
for (i = 0; i <= 0xFF; i++) {
palette[i][0] = bg[0] + (diff_red * i) / 0xFF;
palette[i][1] = bg[1] + (diff_green * i) / 0xFF;
palette[i][2] = bg[2] + (diff_blue * i) / 0xFF;
if (have_alpha) {
palette[i][3] = bg[3] + (diff_alpha * i) / 0xFF;
}
map[i] = i;
}
pmi = TIF_PMI_RGB;
bits_per_sample = 8;
samples_per_pixel = 3 + have_alpha;
pixels_per_sample = 1;
extra_samples = have_alpha; /* Associated alpha */
}
} else { /* fg/bg only */
if (symbol->output_options & CMYK_COLOUR) {
map['0'] = 0;
@@ -320,13 +367,9 @@ INTERNAL int zint_tif_pixel_plot(struct zint_symbol *symbol, const unsigned char
pmi = TIF_PMI_SEPARATED;
bits_per_sample = 8;
if (fg[3] == 0xff && bg[3] == 0xff) { /* If no alpha */
samples_per_pixel = 4;
} else {
samples_per_pixel = 5;
extra_samples = 1; /* Associated alpha */
}
samples_per_pixel = 4 + have_alpha;
pixels_per_sample = 1;
extra_samples = have_alpha; /* Associated alpha */
} else if (bg[0] == 0xff && bg[1] == 0xff && bg[2] == 0xff && bg[3] == 0xff
&& fg[0] == 0 && fg[1] == 0 && fg[2] == 0 && fg[3] == 0xff) {
map['0'] = 0;
@@ -355,7 +398,7 @@ INTERNAL int zint_tif_pixel_plot(struct zint_symbol *symbol, const unsigned char
for (i = 0; i < 2; i++) {
tif_to_color_map(palette[i], &color_map[i]);
}
if (fg[3] == 0xff && bg[3] == 0xff) { /* If no alpha */
if (!have_alpha) {
bits_per_sample = 4;
samples_per_pixel = 1;
pixels_per_sample = 2;