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Add some (fun?) extras for the terminally curious
This commit is contained in:
Robin Stuart
parent
9f5ae4cbb2
commit
3d606858bf
26
extras/README
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26
extras/README
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@ -0,0 +1,26 @@
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This folder contains some extra tools to provide functionality which
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may be useful, or just interesting, but fall outside the remit of the
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Zint program. These small programs have been written by Robin Stuart
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and are released to the public domain.
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Font Encoding Tools
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-------------------
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daft.c
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ida_2d.c
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stroke.c
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zebu_pdf.c
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These code snippets show how Zint can be used to create the text
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necessary to display symbols using a range of fonts available online.
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See the individual files for information about the specific fonts.
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Some of these fonts are free whereas others require licensing, check the
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specific websites before use.
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Obsolete Symbologies
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--------------------
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cuecat.c
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kartrak.c
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sunburst.c
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These are stand-alone tools for encoding data in some more obscure and
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obsolete formats. More information is given within the file.
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173
extras/cuecat.c
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173
extras/cuecat.c
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/*
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* cuecat.c
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*
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* This code creates barcodes as intended for use with the CueCat scheme (without the
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* "cue" symbol which may still be trademarked). As the system was ultimately not
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* successful this is now simply a curiosity.
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*
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* "The CueCat, styled :CueCat with a leading colon, is a cat-shaped handheld barcode
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* reader that was released in 2000 by the now-defunct Digital Convergence Corporation.
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* The CueCat enabled a user to open a link to an Internet URL by scanning a barcode —
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* called a "cue" by Digital Convergence — appearing in an article or catalog or on
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* some other printed matter."
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*
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* For more information:
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* https://linas.org/banned/cuecat/www.fluent-access.com.wtpapers.cuecat.index.html
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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static const char *C128Table[107] = {
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/* Code 128 character encodation */
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"212222", "222122", "222221", "121223", "121322", "131222", "122213",
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"122312", "132212", "221213", "221312", "231212", "112232", "122132", "122231", "113222",
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"123122", "123221", "223211", "221132", "221231", "213212", "223112", "312131", "311222",
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"321122", "321221", "312212", "322112", "322211", "212123", "212321", "232121", "111323",
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"131123", "131321", "112313", "132113", "132311", "211313", "231113", "231311", "112133",
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"112331", "132131", "113123", "113321", "133121", "313121", "211331", "231131", "213113",
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"213311", "213131", "311123", "311321", "331121", "312113", "312311", "332111", "314111",
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"221411", "431111", "111224", "111422", "121124", "121421", "141122", "141221", "112214",
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"112412", "122114", "122411", "142112", "142211", "241211", "221114", "413111", "241112",
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"134111", "111242", "121142", "121241", "114212", "124112", "124211", "411212", "421112",
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"421211", "212141", "214121", "412121", "111143", "111341", "131141", "114113", "114311",
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"411113", "411311", "113141", "114131", "311141", "411131", "211412", "211214", "211232",
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"2331112"
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};
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void print_head(char cat_number[]) {
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printf("<?xml version=\"1.0\" standalone=\"no\"?>\n");
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printf("<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\"\n");
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printf(" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
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printf("<svg width=\"149.60\" height=\"36.00\" version=\"1.1\"\n");
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printf(" xmlns=\"http://www.w3.org/2000/svg\">\n");
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printf(" <desc>CueCat %s</desc>\n\n", cat_number);
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printf(" <g id=\"cuecat\" fill = \"#000000\">\n");
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printf(" <rect x=\"0\" y=\"0\" width=\"149.60\" height=\"36.00\" fill=\"#ffffff\" />\n");
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}
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void print_cue() {
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/* Just dots and triangles as the :C symbol may still be a trademark */
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printf(" <circle cx=\"7.00\" cy=\"12.50\" r=\"3.50\" fill=\"red\" />\n");
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printf(" <circle cx=\"7.00\" cy=\"23.50\" r=\"3.50\" fill=\"red\" />\n");
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printf(" <polygon points=\"14.00,4.00 14.00,32.00 25.60,32.00\" />\n");
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printf(" <polygon points=\"134.00,4.00 145.60,4.00 145.60,32.00\" />\n");
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}
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void print_data(char pattern[]) {
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/* Output the lines of the barcode at an attractive 22.5 degree angle */
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double posn = 24;
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int length = strlen(pattern);
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int i;
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for (i = 0; i < length; i++) {
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if ((i % 2) == 0) {
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printf(" <polygon points=\"%.2f,4.00 %.2f,4.00 %.2f,32.00 %.2f,32.00\" />\n",
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posn, posn + (pattern[i] - '0'), posn + (pattern[i] - '0') + 11.6, posn + 11.6);
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}
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posn += (pattern[i] - '0');
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}
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}
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void print_hrt(char cat_number[]) {
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/* Put readable text at the bottom of the symbol */
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char hrt[25];
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int i, j;
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printf(" <rect x=\"57.00\" y=\"28.00\" width=\"61.00\" height=\"5.00\" fill=\"white\" />\n");
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strcpy(hrt, "C ");
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for (i = 0, j = 2; i < strlen(cat_number); i++) {
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hrt[j] = cat_number[i];
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j++;
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if ((i % 2) != 0) {
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hrt[j] = ' ';
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j++;
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}
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}
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hrt[j] = '\0';
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printf(" <text x=\"58.00\" y=\"32.00\" font-family=\"Verdana\" font-size=\"5\">%s</text>\n", hrt);
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}
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void print_foot() {
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printf(" </g>\n");
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printf("</svg>\n");
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}
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int main(int argc, char** argv) {
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int in_length;
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char cat_number[16];
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char pattern[90];
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int cw[7];
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int i;
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int total_sum;
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if (argc != 2) {
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/* Only command line input should be the number to encode */
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printf("Usage: cuecat {number}\n");
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printf("Where {number} is the number to be encoded, up to 14 digits\n");
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return 0;
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} else {
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in_length = strlen(argv[1]);
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if (in_length > 14) {
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/* Check maximum length */
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printf("Input data too long\n");
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return 0;
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} else {
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/* Add padding if needed */
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strcpy(cat_number, "");
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for(i = in_length; i < 14; i++) {
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strcat(cat_number, "0");
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}
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strcat(cat_number, argv[1]);
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}
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}
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/* Check input is numeric */
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for (i = 0; i < 10; i++) {
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if (!(isdigit(cat_number[i]))) {
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printf("Invalid character(s) in input data\n");
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return 0;
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}
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}
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// There is no 'Start' character
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strcpy(pattern, "");
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for (i = 0; i < 7; i ++) {
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cw[i] = (cat_number[i * 2] - '0') * 10;
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cw[i] += cat_number[(i * 2) + 1] - '0';
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strcat(pattern, C128Table[cw[i]]);
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if (cw[i] >= 96) {
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/* CueCat can't decode number pairs above 95 */
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printf("Invalid input data\n");
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return 0;
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}
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}
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/* check digit calculation */
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total_sum = 0;
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for (i = 0; i < 7; i++) {
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if (i > 0) {
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cw[i] *= i;
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}
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total_sum += cw[i];
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}
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strcat(pattern, C128Table[total_sum % 103]);
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strcat(pattern, C128Table[106]); // Stop
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/* Start ouputting SVG file */
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print_head(cat_number);
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print_cue();
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print_data(pattern);
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print_hrt(cat_number);
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print_foot();
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}
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68
extras/daft.c
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68
extras/daft.c
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/*
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* daft.c
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*
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* This code uses Zint to encode data into a USPS Intelligent
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* Mail symbol, and then converts the output to "DAFT code"
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* which is used by commercial fonts to display this and
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* similar 4-state symbologies.
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*
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* This code can be compiled with:
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*
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* gcc -o daft daft.c -lzint
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*
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* The output characters are:
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*
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* D = Descender
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* A = Ascender
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* F = Full
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* T = Tracker
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*
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*/
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#include <stdio.h>
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#include <zint.h>
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#include <string.h>
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int main(int argc, char **argv)
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{
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struct zint_symbol *my_symbol;
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int error = 0;
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int x, y, glyph;
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my_symbol = ZBarcode_Create();
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my_symbol->symbology = BARCODE_USPS_IMAIL; // Change symbology here
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my_symbol->output_options = OUT_BUFFER_INTERMEDIATE;
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error = ZBarcode_Encode(my_symbol, argv[1], strlen(argv[1]));
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if (error != 0)
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{
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printf("%s\n", my_symbol->errtxt);
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}
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if (error >= ZINT_ERROR_TOO_LONG)
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{
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ZBarcode_Delete(my_symbol);
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return 1;
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}
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for (x = 0; x < my_symbol->width; x+= 2) {
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glyph = 0;
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if ((my_symbol->encoded_data[2][x / 8] >> (x % 8)) & 1) {
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glyph += 1;
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}
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if ((my_symbol->encoded_data[0][x / 8] >> (x % 8)) & 1) {
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glyph += 2;
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}
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switch (glyph) {
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case 0: printf("T"); break;
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case 1: printf("D"); break;
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case 2: printf("A"); break;
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case 3: printf("F"); break;
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}
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glyph = 0;
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}
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printf("\n");
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ZBarcode_Delete(my_symbol);
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return 0;
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}
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64
extras/ida_2d.c
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64
extras/ida_2d.c
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/*
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* ida_2d.c
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*
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* This code uses Zint to encode data into a QR Code and then outputs
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* the symbol as text suitable for use with the IDAutomation2D font
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*
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* This code can be adapted to use any matrix symbology by changing the
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* line indicated.
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*
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* This code can be compiled with:
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*
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* gcc -o ida_2d ida_2d.c -lzint
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*
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* Fonts can be downloaded from https://www.idautomation.com/
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*
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*/
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#include <stdio.h>
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#include <zint.h>
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#include <string.h>
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int main(int argc, char **argv)
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{
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struct zint_symbol *my_symbol;
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int error = 0;
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int x, y, sub, glyph;
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my_symbol = ZBarcode_Create();
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my_symbol->symbology = BARCODE_QRCODE; // Change symbology here
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my_symbol->output_options = OUT_BUFFER_INTERMEDIATE;
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error = ZBarcode_Encode(my_symbol, argv[1], strlen(argv[1]));
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if (error != 0)
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{
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printf("%s\n", my_symbol->errtxt);
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}
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if (error >= ZINT_ERROR_TOO_LONG)
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{
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ZBarcode_Delete(my_symbol);
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return 1;
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}
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for (y = 0; y < my_symbol->rows; y += 4) {
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for (x = 0; x < my_symbol->width; x++) {
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glyph = 0;
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for (sub = 0; sub < 4; sub++) {
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glyph *= 2;
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if ((y + sub) < my_symbol->rows) {
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if (((my_symbol->encoded_data[y + sub][x / 8] >> (x % 8)) & 1) == 0) {
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glyph += 1;
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}
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} else {
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glyph += 1;
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}
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}
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glyph += 'A';
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printf("%c", glyph);
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}
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printf("\n");
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}
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ZBarcode_Delete(my_symbol);
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return 0;
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}
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216
extras/kartrak.c
Normal file
216
extras/kartrak.c
Normal file
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/*
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* kartrak.c
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*
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* This code generates KarTrak codes as were previously used in the rail industry of the US
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* (description below). Output is as an SVG file. This system is now obsolete but perhaps
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* this will be of interest to model railway enthusiasts.
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*
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* "KarTrak, sometimes KarTrak ACI (for Automatic Car Identification) is a colored
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* bar code system designed to automatically identify rail cars and other rolling stock.
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* KarTrak was made a requirement in North America, but technical problems led to
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* abandonment of the system in the late 1970s."
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*
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* https://en.wikipedia.org/wiki/KarTrak
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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void print_head(char car_number[], double bordersize) {
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printf("<?xml version=\"1.0\" standalone=\"no\"?>\n");
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printf("<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\"\n");
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printf(" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
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printf("<svg width=\"%.2fin\" height=\"%.2fin\" version=\"1.1\"\n", 5.75 + (2 * bordersize), 17.5 + (2 * bordersize));
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printf(" xmlns=\"http://www.w3.org/2000/svg\">\n");
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printf(" <desc>KarTrak ACI %s</desc>\n\n", car_number);
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printf(" <g id=\"kartrak\" fill = \"#000000\">\n");
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printf(" <rect x=\"0in\" y=\"0in\" width=\"%.2fin\" height=\"%.2fin\" fill=\"#000000\" />\n", 5.75 + (2 * bordersize), 17.5 + (2 * bordersize));
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}
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void print_foot() {
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printf(" </g>\n");
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printf("</svg>\n");
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}
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void print_check(double x, double y) {
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/* Print checkerboard */
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int w, h;
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for (h = 0; h < 6; h++) {
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for (w = 0; w < 69; w++) {
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if (((w + h) % 2) == 0) {
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printf(" <rect x=\"%.2fin\" y=\"%.2fin\" width=\"0.08in\" height=\"0.08in\" fill=\"#ffffff\" />\n", x + (0.083 * w), y + (0.083 * h));
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}
|
||||
}
|
||||
}
|
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}
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void hrt(double x, double y, char c[]) {
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/* Add text to the left */
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printf(" <text x=\"%.2fin\" y=\"%.2fin\" font-family=\"Verdana\" font-size=\"25\">%s</text>\n", x + 0.2, y + 0.9, c);
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}
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||||
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void back_square(double x, double y) {
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printf(" <rect x=\"%.2fin\" y=\"%.2fin\" width=\"0.17in\" height=\"0.25in\" fill=\"#ffffff\" />\n", x + 0.2, y + 0.7);
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}
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void print_zero(double x, double y) {
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print_check(x, y);
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printf(" <rect x=\"%.2fin\" y=\"%.2fin\" width=\"5.75in\" height=\"0.5in\" fill=\"#0000e0\" />\n", x, y + 0.5);
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hrt(x, y, "0");
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}
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void print_one(double x, double y) {
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print_check(x, y);
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print_check(x, y + 0.5);
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back_square(x, y);
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hrt(x, y, "1");
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}
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void print_two(double x, double y) {
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printf(" <rect x=\"%.2fin\" y=\"%.2fin\" width=\"5.75in\" height=\"0.5in\" fill=\"#ef0000\" />\n", x, y);
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print_check(x, y + 0.5);
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back_square(x, y);
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hrt(x, y, "2");
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}
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void print_three(double x, double y) {
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printf(" <rect x=\"%.2fin\" y=\"%.2fin\" width=\"5.75in\" height=\"0.5in\" fill=\"#ef0000\" />\n", x, y + 0.5);
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hrt(x, y, "3");
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||||
}
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||||
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void print_four(double x, double y) {
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printf(" <rect x=\"%.2fin\" y=\"%.2fin\" width=\"5.75in\" height=\"1.00in\" fill=\"#ef0000\" />\n", x, y);
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||||
hrt(x, y, "4");
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||||
}
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||||
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||||
void print_five(double x, double y) {
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printf(" <rect x=\"%.2fin\" y=\"%.2fin\" width=\"5.75in\" height=\"0.5in\" fill=\"#0000e0\" />\n", x, y + 0.5);
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||||
hrt(x, y, "5");
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||||
}
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||||
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||||
void print_six(double x, double y) {
|
||||
printf(" <rect x=\"%.2fin\" y=\"%.2fin\" width=\"5.75in\" height=\"0.5in\" fill=\"#0000e0\" />\n", x, y);
|
||||
print_check(x, y + 0.5);
|
||||
back_square(x, y);
|
||||
hrt(x, y, "6");
|
||||
}
|
||||
|
||||
void print_seven(double x, double y) {
|
||||
print_check(x, y);
|
||||
printf(" <rect x=\"%.2fin\" y=\"%.2fin\" width=\"5.75in\" height=\"0.5in\" fill=\"#ef0000\" />\n", x, y + 0.5);
|
||||
hrt(x, y, "7");
|
||||
}
|
||||
|
||||
void print_eight(double x, double y) {
|
||||
print_check(x, y + 0.5);
|
||||
back_square(x, y);
|
||||
hrt(x, y, "8");
|
||||
}
|
||||
|
||||
void print_nine(double x, double y) {
|
||||
printf(" <rect x=\"%.2fin\" y=\"%.2fin\" width=\"5.75in\" height=\"1.00in\" fill=\"#0000e0\" />\n", x, y);
|
||||
hrt(x, y, "9");
|
||||
}
|
||||
|
||||
void print_ten(double x, double y) {
|
||||
printf(" <rect x=\"%.2fin\" y=\"%.2fin\" width=\"5.75in\" height=\"0.5in\" fill=\"#ef0000\" />\n", x, y);
|
||||
printf(" <rect x=\"%.2fin\" y=\"%.2fin\" width=\"5.75in\" height=\"0.5in\" fill=\"#0000e0\" />\n", x, y + 0.5);
|
||||
hrt(x, y, "10");
|
||||
}
|
||||
|
||||
void print_start(double bordersize) {
|
||||
printf(" <rect x=\"%.2fin\" y=\"%.2fin\" width=\"4.50in\" height=\"0.5in\" fill=\"#0000e0\" />\n", bordersize, 16.5 + bordersize);
|
||||
printf(" <rect x=\"%.2fin\" y=\"%.2fin\" width=\"4.50in\" height=\"0.5in\" fill=\"#ef0000\" />\n", bordersize + 1.25, 17.0 + bordersize);
|
||||
hrt(bordersize, 16.0 + bordersize, "START");
|
||||
}
|
||||
|
||||
void print_stop(double bordersize) {
|
||||
printf(" <rect x=\"%.2fin\" y=\"%.2fin\" width=\"4.50in\" height=\"0.5in\" fill=\"#0000e0\" />\n", bordersize + 1.25, 1.35 + bordersize);
|
||||
printf(" <rect x=\"%.2fin\" y=\"%.2fin\" width=\"4.50in\" height=\"0.5in\" fill=\"#ef0000\" />\n", bordersize, 1.85 + bordersize);
|
||||
hrt(bordersize, 1.35 + bordersize, "STOP");
|
||||
}
|
||||
|
||||
void print_label(int posn, double bordersize, int digit) {
|
||||
double y = ((17.5 + bordersize + 0.375) - ((posn + 1) * 1.375));
|
||||
|
||||
switch (digit) {
|
||||
case 0: print_zero(bordersize, y); break;
|
||||
case 1: print_one(bordersize, y); break;
|
||||
case 2: print_two(bordersize, y); break;
|
||||
case 3: print_three(bordersize, y); break;
|
||||
case 4: print_four(bordersize, y); break;
|
||||
case 5: print_five(bordersize, y); break;
|
||||
case 6: print_six(bordersize, y); break;
|
||||
case 7: print_seven(bordersize, y); break;
|
||||
case 8: print_eight(bordersize, y); break;
|
||||
case 9: print_nine(bordersize, y); break;
|
||||
case 10: print_ten(bordersize, y); break;
|
||||
}
|
||||
}
|
||||
|
||||
int main(int argc, char** argv) {
|
||||
|
||||
int in_length;
|
||||
char car_number[12];
|
||||
int i;
|
||||
int checksum = 0;
|
||||
int checkdigit;
|
||||
double bordersize = 3.0;
|
||||
|
||||
if (argc != 2) {
|
||||
/* Only command line input should be the number to encode */
|
||||
printf("Usage: kartrak {number}\n");
|
||||
printf("Where {number} is the number to be encoded, up to 10 digits\n");
|
||||
return 0;
|
||||
} else {
|
||||
in_length = strlen(argv[1]);
|
||||
if (in_length > 10) {
|
||||
/* Check maximum length */
|
||||
printf("Input data too long\n");
|
||||
return 0;
|
||||
} else {
|
||||
/* Add padding if needed */
|
||||
strcpy(car_number, "");
|
||||
for(i = in_length; i < 10; i++) {
|
||||
strcat(car_number, "0");
|
||||
}
|
||||
strcat(car_number, argv[1]);
|
||||
}
|
||||
}
|
||||
|
||||
/* Check input is numeric */
|
||||
for (i = 0; i < 10; i++) {
|
||||
if ((car_number[i] < '0') || (car_number[i] > '9')) {
|
||||
printf("Invalid character(s) in input data\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
checksum += (car_number[i] - '0') * (1 << i);
|
||||
}
|
||||
|
||||
/* Calculate check digit */
|
||||
checkdigit = checksum % 11;
|
||||
|
||||
print_head(car_number, bordersize);
|
||||
|
||||
/* Start character */
|
||||
print_start(bordersize);
|
||||
|
||||
/* Data */
|
||||
for (i = 0; i < 10; i++) {
|
||||
print_label((i + 1), bordersize, car_number[i] - '0');
|
||||
}
|
||||
|
||||
/* Stop character */
|
||||
print_stop(bordersize);
|
||||
|
||||
/* Check digit */
|
||||
print_label(12, bordersize, checkdigit);
|
||||
|
||||
print_foot();
|
||||
|
||||
return (EXIT_SUCCESS);
|
||||
}
|
||||
89
extras/stroke.c
Normal file
89
extras/stroke.c
Normal file
@ -0,0 +1,89 @@
|
||||
/*
|
||||
* stroke.c
|
||||
*
|
||||
* This code uses Zint to encode data in QR Code and then output in
|
||||
* the correct format to use StrokeScribe 2D font. This can be adapted
|
||||
* to encode any matrix symbology using this font.
|
||||
*
|
||||
* The same code can also be used to resolve PDF417 symbols with the
|
||||
* StrokeScribe 417 font and linear symbols with the StrokeScribe 1D
|
||||
* font, all of which are available from the same souce.
|
||||
*
|
||||
* This code can be compiled with:
|
||||
*
|
||||
* gcc -o stroke stroke.c -lzint
|
||||
*
|
||||
* The fonts are available from:
|
||||
*
|
||||
* https://strokescribe.com/en/free-version-barcode-truetype-fonts.html
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <zint.h>
|
||||
#include <string.h>
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
struct zint_symbol *my_symbol;
|
||||
int error = 0;
|
||||
int x, y, glyph, sub;
|
||||
|
||||
my_symbol = ZBarcode_Create();
|
||||
|
||||
my_symbol->symbology = BARCODE_QRCODE; // Change symbology here
|
||||
my_symbol->output_options = OUT_BUFFER_INTERMEDIATE;
|
||||
|
||||
error = ZBarcode_Encode(my_symbol, argv[1], strlen(argv[1]));
|
||||
if (error != 0)
|
||||
{
|
||||
printf("%s\n", my_symbol->errtxt);
|
||||
}
|
||||
if (error >= ZINT_ERROR_TOO_LONG)
|
||||
{
|
||||
ZBarcode_Delete(my_symbol);
|
||||
return 1;
|
||||
}
|
||||
|
||||
sub = 0;
|
||||
glyph = 0;
|
||||
for (y = 0; y < my_symbol->rows; y++) {
|
||||
for (x = 0; x < my_symbol->width; x++) {
|
||||
glyph *= 2;
|
||||
if ((my_symbol->encoded_data[y][x / 8] >> (x % 8)) & 1) {
|
||||
glyph += 1;
|
||||
}
|
||||
sub++;
|
||||
if (sub == 5) {
|
||||
if (glyph <= 25) {
|
||||
printf("%c", glyph + 'A');
|
||||
} else {
|
||||
printf("%c", (glyph - 26) + 'a');
|
||||
}
|
||||
sub = 0;
|
||||
glyph = 0;
|
||||
}
|
||||
}
|
||||
if (sub == 4) {
|
||||
printf("%c", glyph + 'g');
|
||||
}
|
||||
if (sub == 3) {
|
||||
if (glyph <= 3) {
|
||||
printf("%c", glyph + 'w');
|
||||
} else {
|
||||
printf("%c", (glyph - 4) + '0');
|
||||
}
|
||||
}
|
||||
if (sub == 2) {
|
||||
printf("%c", glyph + '4');
|
||||
}
|
||||
if (sub == 1) {
|
||||
printf("%c", glyph + '8');
|
||||
}
|
||||
printf("\n");
|
||||
sub = 0;
|
||||
glyph = 0;
|
||||
}
|
||||
|
||||
ZBarcode_Delete(my_symbol);
|
||||
return 0;
|
||||
}
|
||||
120
extras/sunburst.c
Normal file
120
extras/sunburst.c
Normal file
@ -0,0 +1,120 @@
|
||||
/*
|
||||
* sunburst.c
|
||||
*
|
||||
* Many encoding schemes were put forward when the UPC system was being considered,
|
||||
* and this code encodes numeric data according to one of the more interesting looking
|
||||
* varieties. The system proposed by Charecogn Systems Inc. doesn't seem to have had
|
||||
* an official name, but "sunburst" seems appropriate from its appearance. The idea was
|
||||
* that the symbol would be read by a sensor mounted on a rotating head.
|
||||
*
|
||||
* This code takes numeric data and produces an image as an SVG.
|
||||
*
|
||||
* More details in US Patent 3,636,317, Filed April 28th 1969.
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <math.h>
|
||||
|
||||
void print_head(char upc_number[]) {
|
||||
printf("<?xml version=\"1.0\" standalone=\"no\"?>\n");
|
||||
printf("<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\"\n");
|
||||
printf(" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
|
||||
printf("<svg width=\"100\" height=\"100\" version=\"1.1\"\n");
|
||||
printf(" xmlns=\"http://www.w3.org/2000/svg\">\n");
|
||||
printf(" <desc>Sunburst %s</desc>\n\n", upc_number);
|
||||
printf(" <g id=\"sunburst\" fill = \"#000000\">\n");
|
||||
printf(" <rect x=\"0\" y=\"0\" width=\"100\" height=\"100\" fill=\"#ffffff\" />\n");
|
||||
}
|
||||
|
||||
void print_foot() {
|
||||
printf(" </g>\n");
|
||||
printf("</svg>\n");
|
||||
}
|
||||
|
||||
static const char *torrey[11] = {
|
||||
"01010101", "10010101", "01100101", "10100101", "01010110", "10010110",
|
||||
"01100110", "10101010", "01011001", "10011001", "01001101"
|
||||
// Two "surplus" codes were also defined as "01011010" and "10110010"
|
||||
// In these codes 0 is dark and 1 is light
|
||||
};
|
||||
|
||||
int main(int argc, char** argv) {
|
||||
|
||||
int in_length;
|
||||
char upc_number[12];
|
||||
char binary[100];
|
||||
int i;
|
||||
int posn;
|
||||
int left, right;
|
||||
double ax, ay, bx, by, cx, cy, dx, dy;
|
||||
|
||||
if (argc != 2) {
|
||||
/* Only command line input should be the number to encode */
|
||||
printf("Usage: sunburst {number}\n");
|
||||
printf("Where {number} is the number to be encoded, up to 11 digits\n");
|
||||
return 0;
|
||||
} else {
|
||||
in_length = strlen(argv[1]);
|
||||
if (in_length > 11) {
|
||||
/* Check maximum length */
|
||||
printf("Input data too long\n");
|
||||
return 0;
|
||||
} else {
|
||||
/* Add padding if needed */
|
||||
strcpy(upc_number, "");
|
||||
for(i = in_length; i < 11; i++) {
|
||||
strcat(upc_number, "0");
|
||||
}
|
||||
strcat(upc_number, argv[1]);
|
||||
}
|
||||
}
|
||||
|
||||
/* Check input is numeric */
|
||||
for (i = 0; i < 11; i++) {
|
||||
if ((upc_number[i] < '0') || (upc_number[i] > '9')) {
|
||||
printf("Invalid character(s) in input data\n");
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
strcpy(binary, torrey[10]); // Start
|
||||
|
||||
for (i = 0; i < 11; i++) {
|
||||
strcat(binary, torrey[upc_number[i] - '0']);
|
||||
}
|
||||
|
||||
print_head(upc_number);
|
||||
|
||||
posn = 0;
|
||||
|
||||
do {
|
||||
if (binary[posn] == '0') {
|
||||
for (i = 0; binary[posn + i] == '0'; i++);
|
||||
left = posn;
|
||||
right = posn + i;
|
||||
|
||||
ax = 50.0 + (18.72 * cos(0.06545 * left - 1.5708));
|
||||
ay = 50.0 + (18.72 * sin(0.06545 * left - 1.5708));
|
||||
bx = 50.0 + (50.0 * cos(0.06545 * left - 1.5708));
|
||||
by = 50.0 + (50.0 * sin(0.06545 * left - 1.5708));
|
||||
cx = 50.0 + (50.0 * cos(0.06545 * right - 1.5708));
|
||||
cy = 50.0 + (50.0 * sin(0.06545 * right - 1.5708));
|
||||
dx = 50.0 + (18.72 * cos(0.06545 * right - 1.5708));
|
||||
dy = 50.0 + (18.72 * sin(0.06545 * right - 1.5708));
|
||||
|
||||
printf(" <path d=\"M %.2f %.2f A 50.00 50.00 0 0 1 %.2f %.2f L %.2f %.2f A 18.72 18.72 0 0 0 %.2f %.2f Z\" />\n",
|
||||
bx, by, cx, cy, dx, dy, ax, ay);
|
||||
|
||||
posn += i;
|
||||
} else {
|
||||
posn++;
|
||||
}
|
||||
} while (posn < 96);
|
||||
|
||||
print_foot();
|
||||
|
||||
return (EXIT_SUCCESS);
|
||||
}
|
||||
75
extras/zebu_pdf.c
Normal file
75
extras/zebu_pdf.c
Normal file
@ -0,0 +1,75 @@
|
||||
/*
|
||||
* zebu_pdf.c
|
||||
*
|
||||
* This code uses Zint to encode data into a PDF417 and then outputs
|
||||
* the symbol as text suitable for use with Code PDF417 font by
|
||||
* Grand Zebu.
|
||||
*
|
||||
* This code can be compiled with:
|
||||
*
|
||||
* gcc -o zebu_pdf zebu_pdf.c -lzint
|
||||
*
|
||||
* Grand Zebu's font can be downloaded from:
|
||||
*
|
||||
* https://grandzebu.net/informatique/codbar-en/pdf417.htm
|
||||
*
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <zint.h>
|
||||
#include <string.h>
|
||||
int main(int argc, char **argv)
|
||||
{
|
||||
struct zint_symbol *my_symbol;
|
||||
int error = 0;
|
||||
int x, y, sub, glyph, group;
|
||||
|
||||
my_symbol = ZBarcode_Create();
|
||||
|
||||
my_symbol->symbology = BARCODE_PDF417;
|
||||
my_symbol->output_options = OUT_BUFFER_INTERMEDIATE;
|
||||
|
||||
error = ZBarcode_Encode(my_symbol, argv[1], strlen(argv[1]));
|
||||
if (error != 0)
|
||||
{
|
||||
printf("%s\n", my_symbol->errtxt);
|
||||
}
|
||||
if (error >= ZINT_ERROR_TOO_LONG)
|
||||
{
|
||||
ZBarcode_Delete(my_symbol);
|
||||
return 1;
|
||||
}
|
||||
|
||||
for (y = 0; y < my_symbol->rows; y++) {
|
||||
printf("+*");
|
||||
sub = 0;
|
||||
glyph = 0;
|
||||
group = 0;
|
||||
for (x = 18; x < my_symbol->width - 19; x++) {
|
||||
glyph *= 2;
|
||||
if ((my_symbol->encoded_data[y][x / 8] >> (x % 8)) & 1) {
|
||||
glyph++;
|
||||
}
|
||||
sub++;
|
||||
if (sub == 5) {
|
||||
if (glyph <= 5) {
|
||||
printf("%c", glyph + 'A');
|
||||
} else {
|
||||
printf("%c", (glyph - 6) + 'a');
|
||||
}
|
||||
glyph = 0;
|
||||
sub = 0;
|
||||
group++;
|
||||
}
|
||||
if (group == 3) {
|
||||
printf("*");
|
||||
x += 2;
|
||||
group = 0;
|
||||
}
|
||||
}
|
||||
printf("-\n");
|
||||
}
|
||||
|
||||
ZBarcode_Delete(my_symbol);
|
||||
return 0;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user