/usr/include/fontforge/search.h is in libfontforge-dev 1:20170731~dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FONTFORGE_SEARCH_H
#define FONTFORGE_SEARCH_H
#include "baseviews.h"
#include "splinefont.h"
typedef struct searchdata {
SplineChar sc_srch, sc_rpl;
SplineSet *path, *revpath, *replacepath, *revreplace;
int pointcnt, rpointcnt;
real fudge;
real fudge_percent; /* a value of .05 here represents 5% (we don't store the integer) */
unsigned int tryreverse: 1;
unsigned int tryflips: 1;
unsigned int tryrotate: 1;
unsigned int tryscale: 1;
unsigned int endpoints: 1; /* Don't match endpoints, use them for direction only */
unsigned int onlyselected: 1;
unsigned int subpatternsearch: 1;
unsigned int doreplace: 1;
unsigned int replaceall: 1;
unsigned int findall: 1;
unsigned int searchback: 1;
unsigned int wrap: 1;
unsigned int wasreversed: 1;
unsigned int replacewithref: 1;
unsigned int already_complained: 1; /* User has already been alerted to the fact that we've converted splines to refs and lost the instructions */
SplineSet *matched_spl;
SplinePoint *matched_sp, *last_sp;
real matched_rot, matched_scale;
real matched_x, matched_y;
double matched_co, matched_si; /* Precomputed sin, cos */
enum flipset matched_flip;
unsigned long long matched_refs; /* Bit map of which refs in the char were matched */
unsigned long long matched_ss; /* Bit map of which splines in the char were matched in multi-path mode */
unsigned long long matched_ss_start; /* Bit map of which splines we tried to start matches with */
FontViewBase *fv;
SplineChar *curchar;
int last_gid;
} SearchData;
extern void SDDestroy(SearchData *sd);
extern SearchData *SDFillup(SearchData *sd, FontViewBase *fv);
extern int SearchChar(SearchData *sv, int gid,int startafter);
extern int _DoFindAll(SearchData *sv);
extern int DoRpl(SearchData *sv);
extern void SVResetPaths(SearchData *sv);
extern int FVReplaceAll(FontViewBase *fv, SplineSet *find, SplineSet *rpl, double fudge, int flags);
extern SearchData *SDFromContour(FontViewBase *fv, SplineSet *find, double fudge, int flags);
extern SplineChar *SDFindNext(SearchData *sd);
extern void FVBReplaceOutlineWithReference(FontViewBase *fv, double fudge);
extern void FVCorrectReferences(FontViewBase *fv);
extern void SCSplinePointsUntick(SplineChar *sc, int layer);
#endif /* FONTFORGE_SEARCH_H */
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