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EAN/UPC: add quiet zone indicators option (API output_options
`EANUPC_GUARD_WHITESPACE`, CLI `--guardwhitespace`) (ticket #287) EAN-2/EAN-5: HRT now at top instead of at bottom for standalones, following BWIPP CLI: batch mode: don't close input if stdin EAN/UPC: fix excess 1X to right of add-ons Composites: fix excess whitespace; fix quiet zone calcs to allow for linear shifting CLI: use own (Wine) version of `CommandLineToArgvW()` to avoid loading "shell32.dll" Move "font.h" -> "raster_font.h" EPS/SVG: use new `out_putsf()` func to output floats, avoiding trailing zeroes & locale dependency EPS: simplify "TR" formula SVG: change font from "Helvetica, sans serif" to "OCR-B, monospace"; use single "<path>" instead of multiple "<rect>"s to draw boxes (reduces file size) Add `EMBED_VECTOR_FONT` to `output_options` (CLI `--embedfont`) to enable embedding of font in vector output - currently only for SVG output of EAN/UPC GUI: use "OCR-B" font for EAN/UPC and "Arimo" for all others (was "Helvetica" for both); paint background of screen preview light grey so as contrasts with whitespace and quiet zones EMF: prefix funcs with `emf_`; simplify string `halign` handling large: rename `large_int` -> `large_uint` CODE128/common: move `c128_hrt_cpy_iso8859_1()` to `hrt_cpy_iso8859_1()` and add `ZINT_WARN_HRT_TRUNCATED` warning (for future use) Various symbologies: replace `printf()` with `fputs()` (symbol->debug) QRCODE: better assert(), removing a NOLINT (2 left) CLI: add some more barcode synonyms for DBAR common: various fiddlings CMake: don't include png.c unless ZINT_USE_PNG (avoids clang warning)
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395 changed files with 11528 additions and 23016 deletions
315
backend/ps.c
315
backend/ps.c
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@ -31,75 +31,45 @@
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/* SPDX-License-Identifier: BSD-3-Clause */
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#include <errno.h>
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#include <locale.h>
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#include <math.h>
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#include <stdio.h>
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#include "common.h"
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#include "output.h"
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static void colour_to_pscolor(int option, int colour, char *output) {
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*output = '\0';
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if ((option & CMYK_COLOUR) == 0) {
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/* Convert Ultracode rectangle colour to PostScript setrgbcolor/setcmykcolor format */
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static void ps_colour(const int is_rgb, const int colour, char ps_color[21]) {
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const int idx = colour >= 1 && colour <= 8 ? colour - 1 : 6 /*black*/;
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if (is_rgb) {
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/* Use RGB colour space */
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switch (colour) {
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case 1: /* Cyan */
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strcat(output, "0.00 1.00 1.00");
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break;
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case 2: /* Blue */
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strcat(output, "0.00 0.00 1.00");
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break;
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case 3: /* Magenta */
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strcat(output, "1.00 0.00 1.00");
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break;
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case 4: /* Red */
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strcat(output, "1.00 0.00 0.00");
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break;
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case 5: /* Yellow */
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strcat(output, "1.00 1.00 0.00");
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break;
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case 6: /* Green */
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strcat(output, "0.00 1.00 0.00");
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break;
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case 8: /* White */
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strcat(output, "1.00 1.00 1.00");
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break;
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default: /* Black */
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strcat(output, "0.00 0.00 0.00");
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break;
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}
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strcat(output, " setrgbcolor");
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static const char ps_rgbs[8][6] = {
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"0 1 1", /* 0: Cyan (1) */
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"0 0 1", /* 1: Blue (2) */
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"1 0 1", /* 2: Magenta (3) */
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"1 0 0", /* 3: Red (4) */
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"1 1 0", /* 4: Yellow (5) */
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"0 1 0", /* 5: Green (6) */
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"0 0 0", /* 6: Black (7) */
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"1 1 1", /* 7: White (8) */
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};
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strcpy(ps_color, ps_rgbs[idx]);
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strcpy(ps_color + 5, " setrgbcolor");
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} else {
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/* Use CMYK colour space */
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switch (colour) {
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case 1: /* Cyan */
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strcat(output, "1.00 0.00 0.00 0.00");
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break;
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case 2: /* Blue */
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strcat(output, "1.00 1.00 0.00 0.00");
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break;
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case 3: /* Magenta */
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strcat(output, "0.00 1.00 0.00 0.00");
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break;
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case 4: /* Red */
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strcat(output, "0.00 1.00 1.00 0.00");
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break;
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case 5: /* Yellow */
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strcat(output, "0.00 0.00 1.00 0.00");
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break;
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case 6: /* Green */
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strcat(output, "1.00 0.00 1.00 0.00");
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break;
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case 8: /* White */
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strcat(output, "0.00 0.00 0.00 0.00");
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break;
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default: /* Black */
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strcat(output, "0.00 0.00 0.00 1.00");
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break;
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}
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strcat(output, " setcmykcolor");
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static const char ps_cmyks[8][8] = {
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"1 0 0 0", /* 0: Cyan (1) */
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"1 1 0 0", /* 1: Blue (2) */
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"0 1 0 0", /* 2: Magenta (3) */
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"0 1 1 0", /* 3: Red (4) */
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"0 0 1 0", /* 4: Yellow (5) */
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"1 0 1 0", /* 5: Green (6) */
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"0 0 0 1", /* 6: Black (7) */
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"0 0 0 0", /* 7: White (8) */
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};
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strcpy(ps_color, ps_cmyks[idx]);
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strcpy(ps_color + 7, " setcmykcolor");
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}
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}
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/* Escape special PostScript chars. Assumes valid UTF-8-encoded ISO/IEC 8859-1 */
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static void ps_convert(const unsigned char *string, unsigned char *ps_string) {
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const unsigned char *s;
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unsigned char *p = ps_string;
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@ -131,10 +101,51 @@ static void ps_convert(const unsigned char *string, unsigned char *ps_string) {
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#ifdef ZINT_TEST /* Wrapper for direct testing */
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INTERNAL void ps_convert_test(const unsigned char *string, unsigned char *ps_string) {
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ps_convert(string, ps_string);
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ps_convert(string, ps_string);
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}
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#endif
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/* Helper to output RGB colour */
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static void ps_put_rgbcolor(const float red, const float green, const float blue, FILE *feps) {
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out_putsf("", 2, red, feps);
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out_putsf(" ", 2, green, feps);
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out_putsf(" ", 2, blue, feps);
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fputs(" setrgbcolor\n", feps);
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}
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/* Helper to output CMYK colour */
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static void ps_put_cmykcolor(const float cyan, const float magenta, const float yellow, const float black,
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FILE *feps) {
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out_putsf("", 2, cyan, feps);
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out_putsf(" ", 2, magenta, feps);
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out_putsf(" ", 2, yellow, feps);
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out_putsf(" ", 2, black, feps);
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fputs(" setcmykcolor\n", feps);
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}
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/* Helper to output rectangle */
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static void ps_put_rect(const struct zint_symbol *symbol, const struct zint_vector_rect *rect, FILE *feps) {
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out_putsf("", 2, rect->height, feps);
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out_putsf(" ", 2, rect->width, feps);
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out_putsf(" ", 2, rect->x, feps);
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out_putsf(" ", 2, (symbol->vector->height - rect->y) - rect->height, feps);
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fputs(" TR\n", feps);
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}
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/* Helper to output circle/disc */
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static void ps_put_circle(const struct zint_symbol *symbol, const struct zint_vector_circle *circle,
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const float radius, FILE *feps) {
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out_putsf("", 2, circle->x, feps);
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out_putsf(" ", 2, symbol->vector->height - circle->y, feps);
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out_putsf(" ", 3, radius, feps);
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if (circle->width) {
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out_putsf(" ", 3, circle->width, feps);
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fputs(" TC\n", feps);
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} else {
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fputs(" TD\n", feps);
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}
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}
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INTERNAL int ps_plot(struct zint_symbol *symbol) {
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FILE *feps;
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unsigned char fgred, fggrn, fgblu, bgred, bggrn, bgblu, bgalpha;
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@ -144,24 +155,22 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
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float cyan_ink = 0.0f, magenta_ink = 0.0f, yellow_ink = 0.0f, black_ink = 0.0f;
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float cyan_paper = 0.0f, magenta_paper = 0.0f, yellow_paper = 0.0f, black_paper = 0.0f;
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int error_number = 0;
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float ax, ay, bx, by, cx, cy, dx, dy, ex, ey, fx, fy;
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float previous_diameter;
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float radius, half_radius, half_sqrt3_radius;
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int colour_index, colour_rect_flag;
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char ps_color[33]; /* max "1.00 0.00 0.00 0.00 setcmykcolor" = 32 + 1 */
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char ps_color[21]; /* max "1 0 0 0 setcmykcolor" = 20 + 1 */
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int draw_background = 1;
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struct zint_vector_rect *rect;
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struct zint_vector_hexagon *hex;
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struct zint_vector_circle *circle;
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struct zint_vector_string *string;
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const char *locale = NULL;
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const char *font;
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int i, len;
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int ps_len = 0;
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int iso_latin1 = 0;
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int have_circles_with_width = 0, have_circles_without_width = 0;
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const int extendable = is_extendable(symbol->symbology);
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const int output_to_stdout = symbol->output_options & BARCODE_STDOUT;
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unsigned char *ps_string;
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const int is_rgb = (symbol->output_options & CMYK_COLOUR) == 0;
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if (symbol->vector == NULL) {
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strcpy(symbol->errtxt, "646: Vector header NULL");
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@ -177,9 +186,7 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
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}
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}
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locale = setlocale(LC_ALL, "C");
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if ((symbol->output_options & CMYK_COLOUR) == 0) {
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if (is_rgb) {
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(void) out_colour_get_rgb(symbol->fgcolour, &fgred, &fggrn, &fgblu, NULL /*alpha*/);
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red_ink = fgred / 255.0f;
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green_ink = fggrn / 255.0f;
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@ -222,14 +229,18 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
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}
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}
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ps_string = (unsigned char *) z_alloca(ps_len + 1);
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/* Check for circle widths */
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for (circle = symbol->vector->circles; circle; circle = circle->next) {
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if (circle->width) {
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have_circles_with_width = 1;
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if (have_circles_without_width) {
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break;
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}
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} else {
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have_circles_without_width = 1;
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if (have_circles_with_width) {
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break;
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}
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}
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}
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@ -260,10 +271,11 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
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if (symbol->vector->hexagons) {
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fputs("/TH { 0 setlinewidth moveto lineto lineto lineto lineto lineto closepath fill } bind def\n", feps);
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}
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fputs("/TB { 2 copy } bind def\n"
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"/TR { newpath 4 1 roll exch moveto 1 index 0 rlineto 0 exch rlineto neg 0 rlineto closepath fill }"
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" bind def\n"
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"/TE { pop pop } bind def\n", feps);
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if (symbol->vector->rectangles || draw_background) {
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/* Rectangle: h w x y */
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fputs("/TR { newpath moveto dup 3 1 roll 0 rlineto 0 exch rlineto neg 0 rlineto closepath fill } bind def\n",
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feps);
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}
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fputs("newpath\n", feps);
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@ -271,21 +283,22 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
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/* Background */
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if (draw_background) {
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if ((symbol->output_options & CMYK_COLOUR) == 0) {
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fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_paper, green_paper, blue_paper);
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if (is_rgb) {
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ps_put_rgbcolor(red_paper, green_paper, blue_paper, feps);
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} else {
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fprintf(feps, "%.2f %.2f %.2f %.2f setcmykcolor\n", cyan_paper, magenta_paper, yellow_paper, black_paper);
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ps_put_cmykcolor(cyan_paper, magenta_paper, yellow_paper, black_paper, feps);
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}
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fprintf(feps, "%.2f 0.00 TB 0.00 %.2f TR\n", symbol->vector->height, symbol->vector->width);
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fputs("TE\n", feps);
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out_putsf("", 2, symbol->vector->height, feps);
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out_putsf(" ", 2, symbol->vector->width, feps);
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fputs(" 0 0 TR\n", feps);
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}
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if (symbol->symbology != BARCODE_ULTRA) {
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if ((symbol->output_options & CMYK_COLOUR) == 0) {
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fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
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if (is_rgb) {
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ps_put_rgbcolor(red_ink, green_ink, blue_ink, feps);
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} else {
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fprintf(feps, "%.2f %.2f %.2f %.2f setcmykcolor\n", cyan_ink, magenta_ink, yellow_ink, black_ink);
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ps_put_cmykcolor(cyan_ink, magenta_ink, yellow_ink, black_ink, feps);
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}
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}
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@ -297,17 +310,14 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
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if (rect->colour == -1) { /* Foreground */
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if (colour_rect_flag == 0) {
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/* Set foreground colour */
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if ((symbol->output_options & CMYK_COLOUR) == 0) {
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fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
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if (is_rgb) {
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ps_put_rgbcolor(red_ink, green_ink, blue_ink, feps);
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} else {
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fprintf(feps, "%.2f %.2f %.2f %.2f setcmykcolor\n",
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cyan_ink, magenta_ink, yellow_ink, black_ink);
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ps_put_cmykcolor(cyan_ink, magenta_ink, yellow_ink, black_ink, feps);
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}
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colour_rect_flag = 1;
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}
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fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n",
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rect->height, (symbol->vector->height - rect->y) - rect->height, rect->x, rect->width);
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fputs("TE\n", feps);
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ps_put_rect(symbol, rect, feps);
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}
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rect = rect->next;
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}
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@ -318,13 +328,11 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
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if (rect->colour == colour_index) {
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if (colour_rect_flag == 0) {
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/* Set new colour */
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colour_to_pscolor(symbol->output_options, colour_index, ps_color);
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ps_colour(is_rgb, colour_index, ps_color);
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fprintf(feps, "%s\n", ps_color);
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colour_rect_flag = 1;
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}
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fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n",
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rect->height, (symbol->vector->height - rect->y) - rect->height, rect->x, rect->width);
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fputs("TE\n", feps);
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ps_put_rect(symbol, rect, feps);
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}
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rect = rect->next;
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}
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@ -332,9 +340,7 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
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} else {
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rect = symbol->vector->rectangles;
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while (rect) {
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fprintf(feps, "%.2f %.2f TB %.2f %.2f TR\n",
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rect->height, (symbol->vector->height - rect->y) - rect->height, rect->x, rect->width);
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fputs("TE\n", feps);
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ps_put_rect(symbol, rect, feps);
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rect = rect->next;
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}
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}
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@ -343,6 +349,7 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
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previous_diameter = radius = half_radius = half_sqrt3_radius = 0.0f;
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hex = symbol->vector->hexagons;
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while (hex) {
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float hy = symbol->vector->height - hex->y;
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if (previous_diameter != hex->diameter) {
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previous_diameter = hex->diameter;
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radius = (float) (0.5 * previous_diameter);
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@ -350,34 +357,33 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
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half_sqrt3_radius = (float) (0.43301270189221932338 * previous_diameter);
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}
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if ((hex->rotation == 0) || (hex->rotation == 180)) {
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ay = (symbol->vector->height - hex->y) + radius;
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by = (symbol->vector->height - hex->y) + half_radius;
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cy = (symbol->vector->height - hex->y) - half_radius;
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dy = (symbol->vector->height - hex->y) - radius;
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ey = (symbol->vector->height - hex->y) - half_radius;
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fy = (symbol->vector->height - hex->y) + half_radius;
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ax = hex->x;
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bx = hex->x + half_sqrt3_radius;
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cx = hex->x + half_sqrt3_radius;
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dx = hex->x;
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ex = hex->x - half_sqrt3_radius;
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fx = hex->x - half_sqrt3_radius;
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out_putsf("", 2, hex->x, feps);
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out_putsf(" ", 2, hy + radius, feps);
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out_putsf(" ", 2, hex->x + half_sqrt3_radius, feps);
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out_putsf(" ", 2, hy + half_radius, feps);
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out_putsf(" ", 2, hex->x + half_sqrt3_radius, feps);
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out_putsf(" ", 2, hy - half_radius, feps);
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out_putsf(" ", 2, hex->x, feps);
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out_putsf(" ", 2, hy - radius, feps);
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out_putsf(" ", 2, hex->x - half_sqrt3_radius, feps);
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out_putsf(" ", 2, hy - half_radius, feps);
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out_putsf(" ", 2, hex->x - half_sqrt3_radius, feps);
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out_putsf(" ", 2, hy + half_radius, feps);
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} else {
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ay = (symbol->vector->height - hex->y);
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by = (symbol->vector->height - hex->y) + half_sqrt3_radius;
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cy = (symbol->vector->height - hex->y) + half_sqrt3_radius;
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dy = (symbol->vector->height - hex->y);
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ey = (symbol->vector->height - hex->y) - half_sqrt3_radius;
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fy = (symbol->vector->height - hex->y) - half_sqrt3_radius;
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ax = hex->x - radius;
|
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bx = hex->x - half_radius;
|
||||
cx = hex->x + half_radius;
|
||||
dx = hex->x + radius;
|
||||
ex = hex->x + half_radius;
|
||||
fx = hex->x - half_radius;
|
||||
out_putsf("", 2, hex->x - radius, feps);
|
||||
out_putsf(" ", 2, hy, feps);
|
||||
out_putsf(" ", 2, hex->x - half_radius, feps);
|
||||
out_putsf(" ", 2, hy + half_sqrt3_radius, feps);
|
||||
out_putsf(" ", 2, hex->x + half_radius, feps);
|
||||
out_putsf(" ", 2, hy + half_sqrt3_radius, feps);
|
||||
out_putsf(" ", 2, hex->x + radius, feps);
|
||||
out_putsf(" ", 2, hy, feps);
|
||||
out_putsf(" ", 2, hex->x + half_radius, feps);
|
||||
out_putsf(" ", 2, hy - half_sqrt3_radius, feps);
|
||||
out_putsf(" ", 2, hex->x - half_radius, feps);
|
||||
out_putsf(" ", 2, hy - half_sqrt3_radius, feps);
|
||||
}
|
||||
fprintf(feps, "%.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f TH\n",
|
||||
ax, ay, bx, by, cx, cy, dx, dy, ex, ey, fx, fy);
|
||||
fputs(" TH\n", feps);
|
||||
hex = hex->next;
|
||||
}
|
||||
|
||||
|
|
@ -391,33 +397,22 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
|
|||
}
|
||||
if (circle->colour) { /* Legacy - no longer used */
|
||||
/* A 'white' circle */
|
||||
if ((symbol->output_options & CMYK_COLOUR) == 0) {
|
||||
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_paper, green_paper, blue_paper);
|
||||
if (is_rgb) {
|
||||
ps_put_rgbcolor(red_paper, green_paper, blue_paper, feps);
|
||||
} else {
|
||||
fprintf(feps, "%.2f %.2f %.2f %.2f setcmykcolor\n",
|
||||
cyan_paper, magenta_paper, yellow_paper, black_paper);
|
||||
}
|
||||
if (circle->width) {
|
||||
fprintf(feps, "%.2f %.2f %.3f %.3f TC\n",
|
||||
circle->x, (symbol->vector->height - circle->y), radius, circle->width);
|
||||
} else {
|
||||
fprintf(feps, "%.2f %.2f %.2f TD\n", circle->x, (symbol->vector->height - circle->y), radius);
|
||||
ps_put_cmykcolor(cyan_paper, magenta_paper, yellow_paper, black_paper, feps);
|
||||
}
|
||||
ps_put_circle(symbol, circle, radius, feps);
|
||||
if (circle->next) {
|
||||
if ((symbol->output_options & CMYK_COLOUR) == 0) {
|
||||
fprintf(feps, "%.2f %.2f %.2f setrgbcolor\n", red_ink, green_ink, blue_ink);
|
||||
if (is_rgb) {
|
||||
ps_put_rgbcolor(red_ink, green_ink, blue_ink, feps);
|
||||
} else {
|
||||
fprintf(feps, "%.2f %.2f %.2f %.2f setcmykcolor\n", cyan_ink, magenta_ink, yellow_ink, black_ink);
|
||||
ps_put_cmykcolor(cyan_ink, magenta_ink, yellow_ink, black_ink, feps);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
/* A 'black' circle */
|
||||
if (circle->width) {
|
||||
fprintf(feps, "%.2f %.2f %.3f %.3f TC\n",
|
||||
circle->x, (symbol->vector->height - circle->y), radius, circle->width);
|
||||
} else {
|
||||
fprintf(feps, "%.2f %.2f %.2f TD\n", circle->x, (symbol->vector->height - circle->y), radius);
|
||||
}
|
||||
ps_put_circle(symbol, circle, radius, feps);
|
||||
}
|
||||
circle = circle->next;
|
||||
}
|
||||
|
|
@ -427,7 +422,11 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
|
|||
string = symbol->vector->strings;
|
||||
|
||||
if (string) {
|
||||
if ((symbol->output_options & BOLD_TEXT) && !is_extendable(symbol->symbology)) {
|
||||
float previous_fsize = 0.0f;
|
||||
const char *font;
|
||||
unsigned char *ps_string = (unsigned char *) z_alloca(ps_len + 1);
|
||||
|
||||
if ((symbol->output_options & BOLD_TEXT) && !extendable) {
|
||||
font = "Helvetica-Bold";
|
||||
} else {
|
||||
font = "Helvetica";
|
||||
|
|
@ -445,34 +444,32 @@ INTERNAL int ps_plot(struct zint_symbol *symbol) {
|
|||
}
|
||||
do {
|
||||
ps_convert(string->text, ps_string);
|
||||
fputs("matrix currentmatrix\n", feps);
|
||||
fprintf(feps, "/%s findfont\n", font);
|
||||
fprintf(feps, "%.2f scalefont setfont\n", string->fsize);
|
||||
fprintf(feps, " 0 0 moveto %.2f %.2f translate 0.00 rotate 0 0 moveto\n",
|
||||
string->x, (symbol->vector->height - string->y));
|
||||
if (string->fsize != previous_fsize) {
|
||||
fprintf(feps, "/%s findfont", font);
|
||||
/* Compensate for Helvetica being smaller than Zint's OCR-B */
|
||||
out_putsf( " ", 2, extendable ? string->fsize * 1.07f : string->fsize, feps);
|
||||
fputs(" scalefont setfont\n", feps);
|
||||
previous_fsize = string->fsize;
|
||||
}
|
||||
out_putsf(" ", 2, string->x, feps);
|
||||
out_putsf(" ", 2, symbol->vector->height - string->y, feps);
|
||||
fputs(" moveto\n", feps);
|
||||
if (string->halign == 0 || string->halign == 2) { /* Need width for middle or right align */
|
||||
fprintf(feps, " (%s) stringwidth\n", ps_string);
|
||||
fprintf(feps, " (%s) stringwidth pop" /* Returns "width height" - discard "height" */
|
||||
" %s 0 rmoveto\n", ps_string, string->halign == 2 ? "neg" : "-2 div");
|
||||
}
|
||||
if (string->rotation != 0) {
|
||||
fputs("gsave\n", feps);
|
||||
fprintf(feps, "%d rotate\n", 360 - string->rotation);
|
||||
}
|
||||
if (string->halign == 0 || string->halign == 2) {
|
||||
fputs("pop\n", feps);
|
||||
fprintf(feps, "%s 0 rmoveto\n", string->halign == 2 ? "neg" : "-2 div");
|
||||
fputs(" gsave\n", feps);
|
||||
fprintf(feps, " %d rotate\n", 360 - string->rotation);
|
||||
}
|
||||
fprintf(feps, " (%s) show\n", ps_string);
|
||||
if (string->rotation != 0) {
|
||||
fputs("grestore\n", feps);
|
||||
fputs(" grestore\n", feps);
|
||||
}
|
||||
fputs("setmatrix\n", feps);
|
||||
string = string->next;
|
||||
} while (string);
|
||||
}
|
||||
|
||||
if (locale)
|
||||
setlocale(LC_ALL, locale);
|
||||
|
||||
if (ferror(feps)) {
|
||||
sprintf(symbol->errtxt, "647: Incomplete write to output (%d: %.30s)", errno, strerror(errno));
|
||||
if (!output_to_stdout) {
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue