Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/leptonica/src/regutils.h @ 46:7ee69f120f19 default tip

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>>>>> tag v1.26.5+1 for changeset b74429b0f5c4
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:17:30 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*====================================================================*
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2 - Copyright (C) 2001 Leptonica. All rights reserved.
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3 -
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4 - Redistribution and use in source and binary forms, with or without
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5 - modification, are permitted provided that the following conditions
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6 - are met:
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7 - 1. Redistributions of source code must retain the above copyright
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8 - notice, this list of conditions and the following disclaimer.
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9 - 2. Redistributions in binary form must reproduce the above
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10 - copyright notice, this list of conditions and the following
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11 - disclaimer in the documentation and/or other materials
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12 - provided with the distribution.
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13 -
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14 - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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15 - ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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16 - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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17 - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANY
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18 - CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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19 - EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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20 - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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21 - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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22 - OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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23 - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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24 - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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25 *====================================================================*/
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26
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27 #ifndef LEPTONICA_REGUTILS_H
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28 #define LEPTONICA_REGUTILS_H
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29
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30 /*!
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31 * \file regutils.h
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32 *
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33 * <pre>
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34 * Contains this regression test parameter packaging struct
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35 * struct L_RegParams
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36 *
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37 * The regression test utility allows you to write regression tests
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38 * that compare results with existing "golden files" and with
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39 * compiled in data.
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40 *
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41 * Regression tests can be called in three ways.
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42 * For example, for distance_reg:
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43 *
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44 * Case 1: distance_reg [compare]
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45 * This runs the test against the set of golden files. It
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46 * appends to 'outfile.txt' either "SUCCESS" or "FAILURE",
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47 * as well as the details of any parts of the test that failed.
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48 * It writes to a temporary file stream (fp).
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49 * Using 'compare' on the command line is optional.
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50 *
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51 * Case 2: distance_reg generate
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52 * This generates golden files in /tmp for the reg test.
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53 *
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54 * Case 3: distance_reg display
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55 * This runs the test but makes no comparison of the output
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56 * against the set of golden files. In addition, this displays
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57 * images and plots that are specified in the test under
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58 * control of the display variable. Display is enabled only
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59 * for this case.
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60 *
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61 * Regression tests follow the pattern given below. Tests are
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62 * automatically numbered sequentially, and it is convenient to
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63 * comment each with a number to keep track (for comparison tests
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64 * and for debugging). In an actual case, comparisons of pix and
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65 * of files can occur in any order. We give a specific order here
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66 * for clarity.
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67 *
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68 * L_REGPARAMS *rp; // holds data required by the test functions
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69 *
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70 * // Setup variables; optionally open stream
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71 * if (regTestSetup(argc, argv, &rp))
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72 * return 1;
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73 *
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74 * // Test pairs of generated pix for identity. This compares
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75 * // two pix; no golden file is generated.
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76 * regTestComparePix(rp, pix1, pix2); // 0
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77 *
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78 * // Test pairs of generated pix for similarity. This compares
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79 * // two pix; no golden file is generated. The last arg determines
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80 * // if stats are to be written to stderr.
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81 * regTestCompareSimilarPix(rp, pix1, pix2, 15, 0.001, 0); // 1
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82 *
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83 * // Generation of <newfile*> outputs and testing for identity
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84 * // These files can be anything, of course.
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85 * regTestCheckFile(rp, <newfile0>); // 2
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86 * regTestCheckFile(rp, <newfile1>); // 3
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87 *
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88 * // Test pairs of output golden files for identity. Here we
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89 * // are comparing golden files 2 and 3.
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90 * regTestCompareFiles(rp, 2, 3); // 4
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91 *
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92 * // "Write and check". This writes a pix using a canonical
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93 * // formulation for the local filename and either:
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94 * // case 1: generates a golden file
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95 * // case 2: compares the local file with a golden file
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96 * // case 3: generates local files and displays
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97 * // Here we write the pix compressed with png and jpeg, respectively;
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98 * // Then check against the golden file. The internal %index
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99 * // is incremented; it is embedded in the local filename and,
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100 * // if generating, in the golden file as well.
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101 * regTestWritePixAndCheck(rp, pix1, IFF_PNG); // 5
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102 * regTestWritePixAndCheck(rp, pix2, IFF_JFIF_JPEG); // 6
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103 *
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104 * // Display if reg test was called in 'display' mode
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105 * pixDisplayWithTitle(pix1, 100, 100, NULL, rp->display);
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106 *
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107 * // Clean up and output result
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108 * regTestCleanup(rp);
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109 * </pre>
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110 */
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111
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112 /*----------------------------------------------------------------------------*
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113 * Regression test parameter packer *
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114 *----------------------------------------------------------------------------*/
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115
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116 /*! Regression test parameter packer */
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117 struct L_RegParams
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118 {
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119 FILE *fp; /*!< stream to temporary output file for compare mode */
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120 char *testname; /*!< name of test, without '_reg' */
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121 char *tempfile; /*!< name of temp file for compare mode output */
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122 l_int32 mode; /*!< generate, compare or display */
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123 l_atomic index; /*!< index into saved files for this test; 0-based */
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124 l_int32 success; /*!< overall result of the test */
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125 l_int32 display; /*!< 1 if in display mode; 0 otherwise */
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126 L_TIMER tstart; /*!< marks beginning of the reg test */
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127 };
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128 typedef struct L_RegParams L_REGPARAMS;
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129
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130
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131 /*! Running modes for the test */
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132 /*! Regtest Mode */
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133 enum {
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134 L_REG_GENERATE = 0,
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135 L_REG_COMPARE = 1,
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136 L_REG_DISPLAY = 2
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137 };
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138
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139
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140 #endif /* LEPTONICA_REGUTILS_H */
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141