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

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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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1:1d09e1dec1d9 2:b50eed0cc0ef
1 // Copyright (C) 2004-2024 Artifex Software, Inc.
2 //
3 // This file is part of MuPDF.
4 //
5 // MuPDF is free software: you can redistribute it and/or modify it under the
6 // terms of the GNU Affero General Public License as published by the Free
7 // Software Foundation, either version 3 of the License, or (at your option)
8 // any later version.
9 //
10 // MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY
11 // WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 // FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
13 // details.
14 //
15 // You should have received a copy of the GNU Affero General Public License
16 // along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
17 //
18 // Alternative licensing terms are available from the licensor.
19 // For commercial licensing, see <https://www.artifex.com/> or contact
20 // Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
21 // CA 94129, USA, for further information.
22
23 #ifndef MUPDF_FITZ_DESKEW_H
24 #define MUPDF_FITZ_DESKEW_H
25
26 #include "mupdf/fitz/system.h"
27 #include "mupdf/fitz/context.h"
28
29 enum
30 {
31 FZ_DESKEW_BORDER_INCREASE = 0,
32 FZ_DESKEW_BORDER_MAINTAIN = 1,
33 FZ_DESKEW_BORDER_DECREASE = 2
34 };
35
36 fz_pixmap *fz_deskew_pixmap(fz_context *ctx,
37 fz_pixmap *src,
38 double degrees,
39 int border);
40
41 /* Skew detection */
42
43 double fz_detect_skew(fz_context *ctx, fz_pixmap *pixmap);
44
45
46 #endif /* MUPDF_FITZ_DESKEW_H */