Mercurial > octave-libtiff
annotate libinterp/corefcn/base-text-renderer.cc @ 31170:72a159bc5a4c
Tiff: added readRGBAImage method to read image using the RGBA interface
* __tiff__.cc(F__tiff_reag_rgba_image__): implemented logic for reading images
using LibTIFF's RGBA interface.
* Tiff.m: added method readRGBAImage and added unit tests for the new method.
author | magedrifaat <magedrifaat@gmail.com> |
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date | Sat, 13 Aug 2022 17:36:12 +0200 |
parents | 796f54d4ddbf |
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rev | line source |
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29470
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1 //////////////////////////////////////////////////////////////////////// |
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2 // |
30564
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update Octave Project Developers copyright for the new year
John W. Eaton <jwe@octave.org>
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3 // Copyright (C) 2009-2022 The Octave Project Developers |
29470
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4 // |
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5 // See the file COPYRIGHT.md in the top-level directory of this |
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6 // distribution or <https://octave.org/copyright/>. |
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7 // |
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8 // This file is part of Octave. |
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9 // |
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10 // Octave is free software: you can redistribute it and/or modify it |
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11 // under the terms of the GNU General Public License as published by |
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12 // the Free Software Foundation, either version 3 of the License, or |
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13 // (at your option) any later version. |
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14 // |
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15 // Octave is distributed in the hope that it will be useful, but |
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16 // WITHOUT ANY WARRANTY; without even the implied warranty of |
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17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 // GNU General Public License for more details. |
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19 // |
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20 // You should have received a copy of the GNU General Public License |
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21 // along with Octave; see the file COPYING. If not, see |
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22 // <https://www.gnu.org/licenses/>. |
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23 // |
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24 //////////////////////////////////////////////////////////////////////// |
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25 |
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26 #if defined (HAVE_CONFIG_H) |
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27 # include "config.h" |
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28 #endif |
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29 |
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30 #include "base-text-renderer.h" |
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31 |
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32 namespace octave |
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33 { |
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34 void |
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35 base_text_renderer::rotate_pixels (uint8NDArray& pixels, int rot_mode) const |
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36 { |
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37 switch (rot_mode) |
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38 { |
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39 case ROTATION_0: |
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40 break; |
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41 |
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42 case ROTATION_90: |
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43 { |
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44 Array<octave_idx_type> perm (dim_vector (3, 1)); |
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45 perm(0) = 0; |
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46 perm(1) = 2; |
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47 perm(2) = 1; |
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48 pixels = pixels.permute (perm); |
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49 |
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50 Array<idx_vector> idx (dim_vector (3, 1)); |
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51 idx(0) = idx_vector (':'); |
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52 idx(1) = idx_vector (pixels.dim2 ()-1, -1, -1); |
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53 idx(2) = idx_vector (':'); |
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54 pixels = uint8NDArray (pixels.index (idx)); |
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55 } |
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56 break; |
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57 |
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58 case ROTATION_180: |
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59 { |
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60 Array<idx_vector> idx (dim_vector (3, 1)); |
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61 idx(0) = idx_vector (':'); |
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62 idx(1) = idx_vector (pixels.dim2 ()-1, -1, -1); |
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63 idx(2) = idx_vector (pixels.dim3 ()-1, -1, -1); |
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64 pixels = uint8NDArray (pixels.index (idx)); |
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65 } |
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66 break; |
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67 |
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68 case ROTATION_270: |
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69 { |
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70 Array<octave_idx_type> perm (dim_vector (3, 1)); |
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71 perm(0) = 0; |
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72 perm(1) = 2; |
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73 perm(2) = 1; |
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74 pixels = pixels.permute (perm); |
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75 |
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76 Array<idx_vector> idx (dim_vector (3, 1)); |
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77 idx(0) = idx_vector (':'); |
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78 idx(1) = idx_vector (':'); |
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79 idx(2) = idx_vector (pixels.dim3 ()-1, -1, -1); |
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80 pixels = uint8NDArray (pixels.index (idx)); |
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81 } |
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82 break; |
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83 |
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84 } |
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85 } |
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86 |
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87 int |
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88 base_text_renderer::rotation_to_mode (double rotation) const |
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89 { |
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90 // Wrap rotation to range [0, 360] |
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91 while (rotation < 0) |
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92 rotation += 360.0; |
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93 while (rotation > 360.0) |
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94 rotation -= 360.0; |
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95 |
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96 if (rotation == 0.0) |
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97 return ROTATION_0; |
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98 else if (rotation == 90.0) |
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99 return ROTATION_90; |
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100 else if (rotation == 180.0) |
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101 return ROTATION_180; |
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102 else if (rotation == 270.0) |
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103 return ROTATION_270; |
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104 else |
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105 return ROTATION_0; |
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106 } |
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107 |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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108 void |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
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109 base_text_renderer::fix_bbox_anchor (Matrix& bbox, int halign, |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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110 int valign, int rot_mode, |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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111 bool handle_rotation) const |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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112 { |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
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113 switch (halign) |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
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114 { |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
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115 case 1: |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
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116 bbox(0) = -bbox(2)/2; |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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117 break; |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
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118 |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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119 case 2: |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
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120 bbox(0) = -bbox(2); |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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121 break; |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
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122 |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
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123 default: |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
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124 bbox(0) = 0; |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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125 break; |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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126 } |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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127 |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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128 switch (valign) |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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129 { |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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130 case 1: |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
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131 bbox(1) = -bbox(3)/2; |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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132 break; |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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133 |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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134 case 2: |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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135 bbox(1) = -bbox(3); |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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136 break; |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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137 |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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138 case 3: |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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139 break; |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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140 |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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141 case 4: |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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142 bbox(1) = -bbox(3)-bbox(1); |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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143 break; |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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144 |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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145 default: |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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146 bbox(1) = 0; |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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147 break; |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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148 } |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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149 |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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150 if (handle_rotation) |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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151 { |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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152 switch (rot_mode) |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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153 { |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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154 case ROTATION_90: |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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155 std::swap (bbox(0), bbox(1)); |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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156 std::swap (bbox(2), bbox(3)); |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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157 bbox(0) = -bbox(0)-bbox(2); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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158 break; |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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159 |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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160 case ROTATION_180: |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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161 bbox(0) = -bbox(0)-bbox(2); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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162 bbox(1) = -bbox(1)-bbox(3); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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163 break; |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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164 |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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165 case ROTATION_270: |
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Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
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166 std::swap (bbox(0), bbox(1)); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
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167 std::swap (bbox(2), bbox(3)); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
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168 bbox(1) = -bbox(1)-bbox(3); |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
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169 break; |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
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170 } |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
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171 } |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
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|
172 } |
2ae4764180c6
Initial implementation of a LaTeX interpreter (bug #59546).
Pantxo Diribarne <pantxo.diribarne@gmail.com>
parents:
diff
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173 } |