Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/zint/backend/dmatrix_trace.h @ 40:aa33339d6b8a upstream

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ADD: MuPDF v1.26.10: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.5.
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 11:31:38 +0200
parents b50eed0cc0ef
children
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1 /* dmatrix_trace.h - Trace routines for DM_COMPRESSION algorithm */
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2 /*
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3 libzint - the open source barcode library
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4 Copyright (C) 2021-2022 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_DMATRIX_TRACE_H
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34 #define Z_DMATRIX_TRACE_H
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36 #ifndef DM_TRACE
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37 #define DM_TRACE_Edges(px, s, l, p, v)
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38 #define DM_TRACE_AddEdge(s, l, es, p, v, e)
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39 #define DM_TRACE_NotAddEdge(s, l, es, p, v, ij, e)
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40 #else
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42 static int DM_TRACE_getPreviousMode(struct dm_edge *edges, struct dm_edge *edge) {
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43 struct dm_edge *previous = DM_PREVIOUS(edges, edge);
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44 return previous == NULL ? DM_ASCII : previous->endMode;
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45 }
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47 static void DM_TRACE_VertexToString(const unsigned char *source, const int length, const int position,
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48 struct dm_edge *edge) {
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49 if (position >= length) {
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50 printf("end mode %s", dm_smodes[edge->mode]);
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51 } else {
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52 printf("char '%c' at %d mode %s", source[position], position, dm_smodes[edge->mode]);
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53 }
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54 }
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56 static void DM_TRACE_EdgeToString(char *buf, const unsigned char *source, const int length, struct dm_edge *edges,
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57 struct dm_edge *edge) {
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58 int previousMode = DM_TRACE_getPreviousMode(edges, edge);
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59 (void)length;
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60 if (buf) {
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61 sprintf(buf, "%d_%s %s(%.*s) (%d) --> %d_%s",
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62 edge->from, dm_smodes[previousMode], dm_smodes[edge->mode], edge->len, source + edge->from, edge->size,
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63 edge->from + edge->len, dm_smodes[edge->mode]);
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64 } else {
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65 printf("%d_%s %s(%.*s) (%d) --> %d_%s",
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66 edge->from, dm_smodes[previousMode], dm_smodes[edge->mode], edge->len, source + edge->from, edge->size,
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67 edge->from + edge->len, dm_smodes[edge->mode]);
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68 }
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69 }
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70
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71 static void DM_TRACE_Path(const unsigned char *source, const int length, struct dm_edge *edges,
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72 struct dm_edge *edge, char *result, const int result_size) {
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73 DM_TRACE_EdgeToString(result, source, length, edges, edge);
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74 struct dm_edge *current = DM_PREVIOUS(edges, edge);
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75 while (current) {
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76 char s[256];
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77 char *pos;
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78 int len;
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79 DM_TRACE_EdgeToString(s, source, length, edges, current);
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80 pos = strrchr(s, ' ');
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81 assert(pos);
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82 len = strlen(result);
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83 if ((pos - s) + 1 + len + 1 >= result_size) {
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84 result[result_size - 4] = '\0';
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85 strcat(result, "...");
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86 break;
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87 }
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88 memmove(result + (pos - s) + 1, result, len + 1);
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89 memcpy(result, s, (pos - s) + 1);
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90 current = DM_PREVIOUS(edges, current);
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91 }
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92 puts(result);
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93 }
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94
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95 static void DM_TRACE_Edges(const char *prefix, const unsigned char *source, const int length,
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96 struct dm_edge *edges, const int vertexIndex) {
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97 int i, j, e_i;
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98 char result[1024 * 2];
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99 if (vertexIndex) {
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100 printf(prefix, vertexIndex);
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101 } else {
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102 fputs(prefix, stdout);
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103 }
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104 for (i = vertexIndex; i <= length; i++) {
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105 e_i = i * DM_NUM_MODES;
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106 for (j = 0; j < DM_NUM_MODES; j++) {
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107 if (edges[e_i + j].mode) {
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108 fputs("DEBUG ", stdout);
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109 DM_TRACE_Path(source, length, edges, edges + e_i + j, result, (int) ARRAY_SIZE(result));
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110 }
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111 }
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112 }
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113 }
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114
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115 static void DM_TRACE_AddEdge(const unsigned char *source, const int length, struct dm_edge *edges,
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116 struct dm_edge *previous, const int vertexIndex, struct dm_edge *edge) {
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117 if (previous == NULL) {
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118 fputs("DEBUG add ", stdout);
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119 DM_TRACE_EdgeToString(NULL, source, length, edges, edge);
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120 printf(" from %d to %d size %d\n", edge->from, vertexIndex, edge->size);
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121 } else {
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122 fputs("DEBUG add ", stdout);
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123 DM_TRACE_EdgeToString(NULL, source, length, edges, edge);
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124 fputs(" from ", stdout);
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125 DM_TRACE_VertexToString(source, length, previous->from, previous);
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126 fputs(" to ", stdout);
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127 DM_TRACE_VertexToString(source, length, vertexIndex, edge);
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128 printf(" size %d\n", edge->size);
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129 }
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130 }
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131
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132 static void DM_TRACE_NotAddEdge(const unsigned char *source, const int length, struct dm_edge *edges,
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133 struct dm_edge *previous, const int vertexIndex, const int e_ij, struct dm_edge *edge) {
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134 if (previous == NULL) {
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135 fputs("DEBUG not add ", stdout);
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136 DM_TRACE_EdgeToString(NULL, source, length, edges, edge);
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137 printf(" from %d to %d size %d since ", edge->from, vertexIndex, edge->size);
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138 DM_TRACE_EdgeToString(NULL, source, length, edges, edges + e_ij);
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139 printf(" < size %d\n", edges[e_ij].size);
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140 } else {
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141 fputs("DEBUG not add ", stdout);
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142 DM_TRACE_EdgeToString(NULL, source, length, edges, edge);
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143 fputs(" from ", stdout);
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144 DM_TRACE_VertexToString(source, length, previous->from, previous);
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145 fputs(" to ", stdout);
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146 DM_TRACE_VertexToString(source, length, vertexIndex, edge);
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147 printf(" size %d since ", edge->size);
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148 DM_TRACE_EdgeToString(NULL, source, length, edges, edges + e_ij);
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149 printf(" < size %d\n", edges[e_ij].size);
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150 }
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151 }
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152
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153 #endif /* DM_TRACE */
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154 /* vim: set ts=4 sw=4 et : */
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155 #endif /* Z_DMATRIX_TRACE_H */