annotate mupdf-source/include/mupdf/fitz/deskew.h @ 2:b50eed0cc0ef upstream

ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1 // Copyright (C) 2004-2024 Artifex Software, Inc.
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2 //
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3 // This file is part of MuPDF.
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4 //
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5 // MuPDF is free software: you can redistribute it and/or modify it under the
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6 // terms of the GNU Affero General Public License as published by the Free
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7 // Software Foundation, either version 3 of the License, or (at your option)
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8 // any later version.
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9 //
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10 // MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY
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11 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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12 // FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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13 // details.
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14 //
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15 // You should have received a copy of the GNU Affero General Public License
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16 // along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
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17 //
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18 // Alternative licensing terms are available from the licensor.
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19 // For commercial licensing, see <https://www.artifex.com/> or contact
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20 // Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
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21 // CA 94129, USA, for further information.
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23 #ifndef MUPDF_FITZ_DESKEW_H
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24 #define MUPDF_FITZ_DESKEW_H
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26 #include "mupdf/fitz/system.h"
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27 #include "mupdf/fitz/context.h"
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29 enum
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30 {
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31 FZ_DESKEW_BORDER_INCREASE = 0,
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32 FZ_DESKEW_BORDER_MAINTAIN = 1,
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33 FZ_DESKEW_BORDER_DECREASE = 2
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34 };
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35
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36 fz_pixmap *fz_deskew_pixmap(fz_context *ctx,
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37 fz_pixmap *src,
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38 double degrees,
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39 int border);
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41 /* Skew detection */
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43 double fz_detect_skew(fz_context *ctx, fz_pixmap *pixmap);
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46 #endif /* MUPDF_FITZ_DESKEW_H */