Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/zint/extras/sunburst.c @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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2
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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1 /*
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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2 * sunburst.c
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3 *
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4 * Many encoding schemes were put forward when the UPC system was being considered,
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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5 * and this code encodes numeric data according to one of the more interesting looking
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6 * varieties. The system proposed by Charecogn Systems Inc. doesn't seem to have had
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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7 * an official name, but "sunburst" seems appropriate from its appearance. The idea was
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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8 * that the symbol would be read by a sensor mounted on a rotating head.
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9 *
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10 * This code takes numeric data and produces an image as an SVG.
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11 *
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12 * More details in US Patent 3,636,317, Filed April 28th 1969.
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13 *
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14 */
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15
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16 #include <stdio.h>
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17 #include <stdlib.h>
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18 #include <string.h>
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19 #include <math.h>
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20
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21 void print_head(char upc_number[]) {
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22 printf("<?xml version=\"1.0\" standalone=\"no\"?>\n");
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23 printf("<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.1//EN\"\n");
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24 printf(" \"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd\">\n");
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25 printf("<svg width=\"100\" height=\"100\" version=\"1.1\"\n");
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26 printf(" xmlns=\"http://www.w3.org/2000/svg\">\n");
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27 printf(" <desc>Sunburst %s</desc>\n\n", upc_number);
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28 printf(" <g id=\"sunburst\" fill = \"#000000\">\n");
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29 printf(" <rect x=\"0\" y=\"0\" width=\"100\" height=\"100\" fill=\"#ffffff\" />\n");
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30 }
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31
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32 void print_foot() {
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33 printf(" </g>\n");
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34 printf("</svg>\n");
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35 }
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36
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37 static const char *torrey[11] = {
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38 "01010101", "10010101", "01100101", "10100101", "01010110", "10010110",
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39 "01100110", "10101010", "01011001", "10011001", "01001101"
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40 // Two "surplus" codes were also defined as "01011010" and "10110010"
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41 // In these codes 0 is dark and 1 is light
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42 };
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43
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44 int main(int argc, char** argv) {
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45
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46 int in_length;
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47 char upc_number[12];
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48 char binary[100];
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49 int i;
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50 int posn;
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51 int left, right;
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52 double ax, ay, bx, by, cx, cy, dx, dy;
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53
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54 if (argc != 2) {
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55 /* Only command line input should be the number to encode */
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56 printf("Usage: sunburst {number}\n");
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57 printf("Where {number} is the number to be encoded, up to 11 digits\n");
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58 return 0;
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59 } else {
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60 in_length = strlen(argv[1]);
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61 if (in_length > 11) {
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62 /* Check maximum length */
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63 printf("Input data too long\n");
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64 return 0;
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65 } else {
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66 /* Add padding if needed */
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67 strcpy(upc_number, "");
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68 for(i = in_length; i < 11; i++) {
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69 strcat(upc_number, "0");
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70 }
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71 strcat(upc_number, argv[1]);
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72 }
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73 }
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74
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75 /* Check input is numeric */
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76 for (i = 0; i < 11; i++) {
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77 if ((upc_number[i] < '0') || (upc_number[i] > '9')) {
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78 printf("Invalid character(s) in input data\n");
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79 return 0;
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80 }
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81 }
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82
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83 strcpy(binary, torrey[10]); // Start
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84
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85 for (i = 0; i < 11; i++) {
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86 strcat(binary, torrey[upc_number[i] - '0']);
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87 }
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88
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89 print_head(upc_number);
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90
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91 posn = 0;
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92
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93 do {
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94 if (binary[posn] == '0') {
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95 for (i = 0; binary[posn + i] == '0'; i++);
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96 left = posn;
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97 right = posn + i;
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98
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parents:
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99 ax = 50.0 + (18.72 * cos(0.06545 * left - 1.5708));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
100 ay = 50.0 + (18.72 * sin(0.06545 * left - 1.5708));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
101 bx = 50.0 + (50.0 * cos(0.06545 * left - 1.5708));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
102 by = 50.0 + (50.0 * sin(0.06545 * left - 1.5708));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
103 cx = 50.0 + (50.0 * cos(0.06545 * right - 1.5708));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
104 cy = 50.0 + (50.0 * sin(0.06545 * right - 1.5708));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
105 dx = 50.0 + (18.72 * cos(0.06545 * right - 1.5708));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
106 dy = 50.0 + (18.72 * sin(0.06545 * right - 1.5708));
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
107
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
108 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",
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
109 bx, by, cx, cy, dx, dy, ax, ay);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
110
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
111 posn += i;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
112 } else {
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
113 posn++;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
114 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
115 } while (posn < 96);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
116
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
117 print_foot();
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
118
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
119 return (EXIT_SUCCESS);
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
120 }