Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/zint/backend/pdf417_trace.h @ 17:dd9cdb856310

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Remove PKG-INFO from the because it is regenerated automatically for the sdist
author Franz Glasner <fzglas.hg@dom66.de>
date Thu, 18 Sep 2025 17:40:40 +0200
parents b50eed0cc0ef
children
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2
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1 /* pdf417_trace.h - Trace routines for optimal PDF417 optimization algorithm */
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2 /*
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3 libzint - the open source barcode library
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4 Copyright (C) 2022-2023 Robin Stuart <rstuart114@gmail.com>
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5
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6 Redistribution and use in source and binary forms, with or without
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7 modification, are permitted provided that the following conditions
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8 are met:
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9
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10 1. Redistributions of source code must retain the above copyright
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11 notice, this list of conditions and the following disclaimer.
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12 2. Redistributions in binary form must reproduce the above copyright
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13 notice, this list of conditions and the following disclaimer in the
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14 documentation and/or other materials provided with the distribution.
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15 3. Neither the name of the project nor the names of its contributors
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16 may be used to endorse or promote products derived from this software
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17 without specific prior written permission.
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19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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20 ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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21 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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22 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
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23 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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24 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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25 OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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26 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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27 LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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28 OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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29 SUCH DAMAGE.
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30 */
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31 /* SPDX-License-Identifier: BSD-3-Clause */
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33 #ifndef Z_PDF417_TRACE_H
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34 #define Z_PDF417_TRACE_H
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36 #ifndef PDF_TRACE
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37 #define PDF_TRACE_Edges(px, s, l, p, v)
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38 #define PDF_TRACE_AddEdge(s, l, es, p, v, t, e) do { (void)(s); (void)(l); } while (0)
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39 #define PDF_TRACE_NotAddEdge(s, l, es, p, v, t, e) do { (void)(s); (void)(l); } while (0)
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40 #else
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41
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42 static int PDF_TRACE_getPreviousMode(struct pdf_edge *edges, struct pdf_edge *edge) {
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43 struct pdf_edge *previous = PDF_PREVIOUS(edges, edge);
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44 return previous == NULL ? PDF_ALP : previous->mode;
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45 }
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47 static void PDF_TRACE_EdgeToString(char *buf, const unsigned char *source, const int length, struct pdf_edge *edges,
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48 struct pdf_edge *edge) {
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49 int previousMode = PDF_TRACE_getPreviousMode(edges, edge);
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50 (void)length;
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51 if (buf) {
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52 sprintf(buf, "%d_%c %c(%d,%d) %d(%d,%d,%d) -> %d_%c",
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53 edge->from, pdf_smodes[previousMode], pdf_smodes[edge->mode], source[edge->from], edge->len, edge->size
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54 + edge->unit_size, edge->units, edge->unit_size, edge->size, edge->from + 1, pdf_smodes[edge->mode]);
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55 } else {
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56 printf("%d_%c %c(%d,%d) %d(%d,%d,%d) -> %d_%c",
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57 edge->from, pdf_smodes[previousMode], pdf_smodes[edge->mode], source[edge->from], edge->len, edge->size
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58 + edge->unit_size, edge->units, edge->unit_size, edge->size, edge->from + 1, pdf_smodes[edge->mode]);
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59 }
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60 }
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62 static void PDF_TRACE_Path(const unsigned char *source, const int length, struct pdf_edge *edges,
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63 struct pdf_edge *edge, char *result, const int result_size) {
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64 PDF_TRACE_EdgeToString(result, source, length, edges, edge);
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65 struct pdf_edge *current = PDF_PREVIOUS(edges, edge);
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66 while (current) {
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67 char s[256];
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68 char *pos;
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69 int len;
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70 PDF_TRACE_EdgeToString(s, source, length, edges, current);
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71 pos = strrchr(s, ' ');
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72 assert(pos);
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73 len = strlen(result);
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74 if ((pos - s) + 1 + len + 1 >= result_size) {
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75 result[result_size - 4] = '\0';
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76 strcat(result, "...");
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77 break;
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78 }
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79 memmove(result + (pos - s) + 1, result, len + 1);
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80 memcpy(result, s, (pos - s) + 1);
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81 current = PDF_PREVIOUS(edges, current);
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82 }
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83 puts(result);
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84 }
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85
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86 static void PDF_TRACE_Edges(const char *prefix, const unsigned char *source, const int length,
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87 struct pdf_edge *edges, const int vertexIndex) {
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88 int i, j, e_i;
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89 char result[1024 * 2];
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90 if (vertexIndex) {
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91 printf(prefix, vertexIndex);
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92 } else {
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93 fputs(prefix, stdout);
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94 }
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95 for (i = vertexIndex; i <= length; i++) {
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96 e_i = i * PDF_NUM_MODES;
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97 for (j = 0; j < PDF_NUM_MODES; j++) {
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98 if (edges[e_i + j].mode) {
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99 fputs(" **** ", stdout);
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100 PDF_TRACE_Path(source, length, edges, edges + e_i + j, result, (int) ARRAY_SIZE(result));
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101 }
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102 }
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103 }
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104 }
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105
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106 static void PDF_TRACE_AddEdge(const unsigned char *source, const int length, struct pdf_edge *edges,
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107 struct pdf_edge *previous, const int vertexIndex, const int t_table, struct pdf_edge *edge) {
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108 const int new_size = edge->size + edge->unit_size;
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109 const int v_ij = vertexIndex * PDF_NUM_MODES + edge->mode - 1;
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110 const int v_size = edges[v_ij].size + edges[v_ij].unit_size;
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111
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112 (void)source; (void)length;
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113
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114 printf("add mode %c, t_table 0x%X, previous %d, from %d, len %d, v_ij %d, %d(%d,%d,%d) > %d(%d,%d,%d)\n",
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115 pdf_smodes[edge->mode], t_table, previous ? (int) (previous - edges) : 0, edge->from, edge->len, v_ij,
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116 v_size, edges[v_ij].units, edges[v_ij].unit_size, edges[v_ij].size,
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117 new_size, edge->units, edge->unit_size, edge->size);
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118 }
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119
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120 static void PDF_TRACE_NotAddEdge(const unsigned char *source, const int length, struct pdf_edge *edges,
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121 struct pdf_edge *previous, const int vertexIndex, const int t_table, struct pdf_edge *edge) {
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122 const int new_size = edge->size + edge->unit_size;
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123 const int v_ij = vertexIndex * PDF_NUM_MODES + edge->mode - 1;
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124 const int v_size = edges[v_ij].size + edges[v_ij].unit_size;
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125
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126 (void)source; (void)length;
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127
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128 printf("NOT mode %c, t_table %d, previous %d, from %d, len %d, v_ij %d, %d(%d,%d,%d) <= %d(%d,%d,%d)\n",
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129 pdf_smodes[edge->mode], t_table, previous ? (int) (previous - edges) : 0, edge->from, edge->len, v_ij,
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130 v_size, edges[v_ij].units, edges[v_ij].unit_size, edges[v_ij].size,
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131 new_size, edge->units, edge->unit_size, edge->size);
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132 }
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133
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134 #endif /* PDF_TRACE */
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135 /* vim: set ts=4 sw=4 et : */
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136 #endif /* Z_PDF417_TRACE_H */