Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/lcms2/plugins/threaded/src/threaded_internal.h @ 40:aa33339d6b8a upstream

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ADD: MuPDF v1.26.10: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.5.
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 11:31:38 +0200
parents b50eed0cc0ef
children
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1 //---------------------------------------------------------------------------------
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2 //
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3 // Little Color Management System, multithreaded extensions
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4 // Copyright (c) 1998-2023 Marti Maria Saguer, all rights reserved
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5 //
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6 // This program is free software: you can redistribute it and/or modify
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7 // it under the terms of the GNU General Public License as published by
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8 // the Free Software Foundation, either version 3 of the License, or
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9 // (at your option) any later version.
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10 //
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11 // This program is distributed in the hope that it will be useful,
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12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 // GNU General Public License for more details.
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15 //
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16 // You should have received a copy of the GNU General Public License
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17 // along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 //
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19 //---------------------------------------------------------------------------------
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21 #ifndef _THREADED_INTERNAL_H
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22 #define _THREADED_INTERNAL_H
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24 #include "lcms2_threaded.h"
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26 // This plugin requires lcms 2.14 or greater
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27 #define REQUIRED_LCMS_VERSION 2140
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29 // Unused parameter warning suppression
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30 #define UNUSED_PARAMETER(x) ((void)x)
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32 // For testbed
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33 #define CMSCHECKPOINT CMSAPI
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35 // The specification for "inline" is section 6.7.4 of the C99 standard (ISO/IEC 9899:1999).
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36 // unfortunately VisualC++ does not conform that
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37 #if defined(_MSC_VER) || defined(__BORLANDC__)
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38 # define cmsINLINE __inline
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39 #else
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40 # define cmsINLINE static inline
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41 #endif
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43 // Holds all parameters for a threadable transform fragment
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44 typedef struct {
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46 struct _cmstransform_struct* CMMcargo;
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48 const void* InputBuffer;
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49 void* OutputBuffer;
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51 cmsUInt32Number PixelsPerLine;
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52 cmsUInt32Number LineCount;
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53 const cmsStride* Stride;
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55 } _cmsWorkSlice;
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57 // Count the number of threads needed for this job
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58 cmsUInt32Number _cmsThrCountSlices(struct _cmstransform_struct* CMMcargo, cmsInt32Number MaxWorkers,
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59 cmsUInt32Number PixelsPerLine, cmsUInt32Number LineCount,
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60 cmsStride* Stride);
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62 // Split work following several expert rules
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63 cmsBool _cmsThrSplitWork(const _cmsWorkSlice* master, cmsInt32Number nslices, _cmsWorkSlice slices[]);
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65 // Thread primitives
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66 cmsHANDLE _cmsThrCreateWorker(cmsContext ContextID, _cmsTransform2Fn worker, _cmsWorkSlice* param);
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67 void _cmsThrJoinWorker(cmsContext ContextID, cmsHANDLE hWorker);
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68 cmsInt32Number _cmsThrIdealThreadCount(void);
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70 // The scheduler
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71 void _cmsThrScheduler(struct _cmstransform_struct* CMMcargo,
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72 const void* InputBuffer,
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73 void* OutputBuffer,
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74 cmsUInt32Number PixelsPerLine,
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75 cmsUInt32Number LineCount,
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76 const cmsStride* Stride);
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77 #endif
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