Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/include/mupdf/fitz/transition.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 // Copyright (C) 2004-2021 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_TRANSITION_H
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24 #define MUPDF_FITZ_TRANSITION_H
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26 #include "mupdf/fitz/system.h"
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27 #include "mupdf/fitz/pixmap.h"
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28
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29 /* Transition support */
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30 enum {
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31 FZ_TRANSITION_NONE = 0, /* aka 'R' or 'REPLACE' */
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32 FZ_TRANSITION_SPLIT,
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33 FZ_TRANSITION_BLINDS,
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34 FZ_TRANSITION_BOX,
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35 FZ_TRANSITION_WIPE,
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36 FZ_TRANSITION_DISSOLVE,
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37 FZ_TRANSITION_GLITTER,
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38 FZ_TRANSITION_FLY,
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39 FZ_TRANSITION_PUSH,
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40 FZ_TRANSITION_COVER,
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41 FZ_TRANSITION_UNCOVER,
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42 FZ_TRANSITION_FADE
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43 };
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44
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45 typedef struct
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46 {
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47 int type;
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48 float duration; /* Effect duration (seconds) */
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49
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50 /* Parameters controlling the effect */
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51 int vertical; /* 0 or 1 */
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52 int outwards; /* 0 or 1 */
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53 int direction; /* Degrees */
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54 /* Potentially more to come */
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55
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56 /* State variables for use of the transition code */
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57 int state0;
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58 int state1;
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59 } fz_transition;
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60
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61 /**
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62 Generate a frame of a transition.
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63
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64 tpix: Target pixmap
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65 opix: Old pixmap
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66 npix: New pixmap
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67 time: Position within the transition (0 to 256)
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68 trans: Transition details
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69
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70 Returns 1 if successfully generated a frame.
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71
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72 Note: Pixmaps must include alpha.
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73 */
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74 int fz_generate_transition(fz_context *ctx, fz_pixmap *tpix, fz_pixmap *opix, fz_pixmap *npix, int time, fz_transition *trans);
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75
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76 #endif