Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/tesseract/src/textord/fpchop.h @ 21:2f43e400f144

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Provide an "all" target to build both the sdist and the wheel
author Franz Glasner <fzglas.hg@dom66.de>
date Fri, 19 Sep 2025 10:28:53 +0200
parents b50eed0cc0ef
children
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1 /**********************************************************************
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2 * File: fpchop.h (Formerly fp_chop.h)
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3 * Description: Code to chop fixed pitch text into character cells.
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4 * Author: Ray Smith
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5 *
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6 * (C) Copyright 1993, Hewlett-Packard Ltd.
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7 ** Licensed under the Apache License, Version 2.0 (the "License");
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8 ** you may not use this file except in compliance with the License.
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9 ** You may obtain a copy of the License at
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10 ** http://www.apache.org/licenses/LICENSE-2.0
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11 ** Unless required by applicable law or agreed to in writing, software
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12 ** distributed under the License is distributed on an "AS IS" BASIS,
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13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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14 ** See the License for the specific language governing permissions and
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15 ** limitations under the License.
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16 *
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17 **********************************************************************/
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19 #ifndef FPCHOP_H
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20 #define FPCHOP_H
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22 #include "blobbox.h"
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23 #include "params.h"
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25 namespace tesseract {
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27 class C_OUTLINE_FRAG : public ELIST_LINK {
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28 public:
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29 C_OUTLINE_FRAG() { // empty constructor
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30 steps = nullptr;
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31 stepcount = 0;
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32 }
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33 ~C_OUTLINE_FRAG() {
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34 delete[] steps;
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35 }
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36 // start coord
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37 C_OUTLINE_FRAG(ICOORD start_pt,
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38 ICOORD end_pt, // end coord
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39 C_OUTLINE *outline, // source of steps
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40 int16_t start_index, int16_t end_index);
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41 // other end
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42 C_OUTLINE_FRAG(C_OUTLINE_FRAG *head, int16_t tail_y);
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43 C_OUTLINE *close(); // copy to outline
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44 C_OUTLINE_FRAG &operator=( // assign
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45 const C_OUTLINE_FRAG &src);
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47 ICOORD start; // start coord
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48 ICOORD end; // end coord
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49 DIR128 *steps; // step array
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50 int32_t stepcount; // no of steps
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51 C_OUTLINE_FRAG *other_end; // head if a tail
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52 int16_t ycoord; // coord of cut pt
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54 private:
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55 // Copy constructor (currently unused, therefore private).
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56 C_OUTLINE_FRAG(const C_OUTLINE_FRAG &other) = delete;
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57 };
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59 ELISTIZEH(C_OUTLINE_FRAG)
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61 extern INT_VAR_H(textord_fp_chop_error);
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63 ROW *fixed_pitch_words( // find lines
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64 TO_ROW *row, // row to do
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65 FCOORD rotation // for drawing
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66 );
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67
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68 void split_to_blob( // split the blob
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69 BLOBNBOX *blob, // blob to split
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70 int16_t chop_coord, // place to chop
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71 float pitch_error, // allowed deviation
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72 C_OUTLINE_LIST *left_coutlines, // for cblobs
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73 C_OUTLINE_LIST *right_coutlines);
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75 } // namespace tesseract
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77 #endif