Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/zint/backend/output.h @ 46:7ee69f120f19 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
>>>>> 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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2
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1 /* output.h - Common routines for raster/vector */
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2 /*
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3 libzint - the open source barcode library
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4 Copyright (C) 2020-2024 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_OUTPUT_H
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34 #define Z_OUTPUT_H
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36 #ifdef __cplusplus
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37 extern "C" {
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38 #endif /* __cplusplus */
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40 #include <stdio.h> /* For FILE */
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42 /* Check colour options are good (`symbol->fgcolour`, `symbol->bgcolour`) */
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43 INTERNAL int out_check_colour_options(struct zint_symbol *symbol);
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45 /* Return RGB(A) from (well-formed) colour string. Returns 0 if RGB or converted CMYK, 1 if RGBA */
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46 INTERNAL int out_colour_get_rgb(const char *colour, unsigned char *red, unsigned char *green, unsigned char *blue,
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47 unsigned char *alpha);
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48 /* Return CMYK from (well-formed) colour string. Returns 0 if CMYK, 1 if converted RBG, 2 if converted RGBA */
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49 INTERNAL int out_colour_get_cmyk(const char *colour, int *cyan, int *magenta, int *yellow, int *black,
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50 unsigned char *rgb_alpha);
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52 /* Convert internal colour chars "WCBMRYGK" to RGB */
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53 INTERNAL int out_colour_char_to_rgb(const char ch, unsigned char *red, unsigned char *green, unsigned char *blue);
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54
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55 /* Set left (x), top (y), right and bottom offsets for whitespace, also right quiet zone */
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56 INTERNAL void out_set_whitespace_offsets(const struct zint_symbol *symbol, const int hide_text,
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57 const int comp_xoffset, float *p_xoffset, float *p_yoffset, float *p_roffset, float *p_boffset,
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58 float *p_qz_right, const float scaler, int *p_xoffset_si, int *p_yoffset_si, int *p_roffset_si,
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59 int *p_boffset_si, int *p_qz_right_si);
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61 /* Set composite offset and main width excluding add-on (for start of add-on calc) and add-on text, returning
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62 EAN/UPC type */
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63 INTERNAL int out_process_upcean(const struct zint_symbol *symbol, const int comp_xoffset, int *p_main_width,
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64 unsigned char addon[6], int *p_addon_len, int *p_addon_gap);
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66 /* Calculate large bar height i.e. linear bars with zero row height that respond to the symbol height.
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67 If scaler `si` non-zero (raster), then large_bar_height if non-zero or else row heights will be rounded
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68 to nearest pixel and symbol height adjusted */
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69 INTERNAL float out_large_bar_height(struct zint_symbol *symbol, const int si, int *row_heights_si,
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70 int *symbol_height_si);
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72 /* Create output file, creating sub-directories if necessary. Returns `fopen()` FILE pointer */
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73 INTERNAL FILE *out_fopen(const char filename[256], const char *mode);
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75 #ifdef _WIN32
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76 /* Do `fopen()` on Windows, assuming `filename` is UTF-8 encoded. Props Marcel, ticket #288 */
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77 INTERNAL FILE *out_win_fopen(const char *filename, const char *mode);
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78 #endif
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80 /* Little-endian output */
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81 #define out_le_u16(b, n) do { \
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82 unsigned char *bp = (unsigned char *) &(b); \
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83 uint16_t u16 = (uint16_t) (n); \
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84 bp[0] = (unsigned char) (u16 & 0xFF); \
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85 bp[1] = (unsigned char) ((u16 >> 8) & 0xFF); \
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86 } while (0)
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87
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88 #define out_le_u32(b, n) do { \
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89 unsigned char *bp = (unsigned char *) &(b); \
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90 uint32_t u32 = (uint32_t) (n); \
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91 bp[0] = (unsigned char) (u32 & 0xFF); \
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92 bp[1] = (unsigned char) ((u32 >> 8) & 0xFF); \
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93 bp[2] = (unsigned char) ((u32 >> 16) & 0xFF); \
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94 bp[3] = (unsigned char) ((u32 >> 24) & 0xFF); \
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95 } while (0)
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96
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97 #define out_le_i32(b, n) do { \
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98 unsigned char *bp = (unsigned char *) &(b); \
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99 int32_t i32 = (int32_t) (n); \
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100 bp[0] = (unsigned char) (i32 & 0xFF); \
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101 bp[1] = (unsigned char) ((i32 >> 8) & 0xFF); \
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102 bp[2] = (unsigned char) ((i32 >> 16) & 0xFF); \
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103 bp[3] = (unsigned char) ((i32 >> 24) & 0xFF); \
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104 } while (0)
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105
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106 #define out_le_float(b, n) do { \
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107 unsigned char *bp = (unsigned char *) &(b); \
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108 float f = (float) (n); \
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109 uint32_t *p_u32 = (uint32_t *) &f; \
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110 bp[0] = (unsigned char) (*p_u32 & 0xFF); \
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111 bp[1] = (unsigned char) ((*p_u32 >> 8) & 0xFF); \
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112 bp[2] = (unsigned char) ((*p_u32 >> 16) & 0xFF); \
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113 bp[3] = (unsigned char) ((*p_u32 >> 24) & 0xFF); \
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114 } while (0)
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115
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116 /* If `#pragma pack()` not supported, try per-type packed attribute */
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117 #ifdef __COMPCERT__
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118 /* Can't use `__attribute__` as may be defined to be no-op by libc if not GNU C or Clang (e.g. glibc does this) */
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119 # define OUT_PACK __attribute((__packed__)) /* CompCert C workaround extension `__attribute` */
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120 #else
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121 # define OUT_USE_PRAGMA_PACK
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122 # define OUT_PACK
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123 #endif
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124
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125 #ifdef __cplusplus
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126 }
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127 #endif /* __cplusplus */
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128
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129 /* vim: set ts=4 sw=4 et : */
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130 #endif /* Z_OUTPUT_H */