diff options
Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/libs/potrace/curve.c')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-src/libs/potrace/curve.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/libs/potrace/curve.c b/Build/source/texk/dvisvgm/dvisvgm-src/libs/potrace/curve.c deleted file mode 100644 index 81e02bb7d2a..00000000000 --- a/Build/source/texk/dvisvgm/dvisvgm-src/libs/potrace/curve.c +++ /dev/null @@ -1,112 +0,0 @@ -/* Copyright (C) 2001-2019 Peter Selinger. - This file is part of Potrace. It is free software and it is covered - by the GNU General Public License. See the file COPYING for details. */ - -/* private part of the path and curve data structures */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> - -#include "potracelib.h" -#include "lists.h" -#include "curve.h" - -#define SAFE_CALLOC(var, n, typ) \ - if ((var = (typ *)calloc(n, sizeof(typ))) == NULL) goto calloc_error - -/* ---------------------------------------------------------------------- */ -/* allocate and free path objects */ - -path_t *path_new(void) { - path_t *p = NULL; - privpath_t *priv = NULL; - - SAFE_CALLOC(p, 1, path_t); - memset(p, 0, sizeof(path_t)); - SAFE_CALLOC(priv, 1, privpath_t); - memset(priv, 0, sizeof(privpath_t)); - p->priv = priv; - return p; - - calloc_error: - free(p); - free(priv); - return NULL; -} - -/* free the members of the given curve structure. Leave errno unchanged. */ -static void privcurve_free_members(privcurve_t *curve) { - free(curve->tag); - free(curve->c); - free(curve->vertex); - free(curve->alpha); - free(curve->alpha0); - free(curve->beta); -} - -/* free a path. Leave errno untouched. */ -void path_free(path_t *p) { - if (p) { - if (p->priv) { - free(p->priv->pt); - free(p->priv->lon); - free(p->priv->sums); - free(p->priv->po); - privcurve_free_members(&p->priv->curve); - privcurve_free_members(&p->priv->ocurve); - } - free(p->priv); - /* do not free p->fcurve ! */ - } - free(p); -} - -/* free a pathlist, leaving errno untouched. */ -void pathlist_free(path_t *plist) { - path_t *p; - - list_forall_unlink(p, plist) { - path_free(p); - } -} - -/* ---------------------------------------------------------------------- */ -/* initialize and finalize curve structures */ - -typedef dpoint_t dpoint3_t[3]; - -/* initialize the members of the given curve structure to size m. - Return 0 on success, 1 on error with errno set. */ -int privcurve_init(privcurve_t *curve, int n) { - memset(curve, 0, sizeof(privcurve_t)); - curve->n = n; - SAFE_CALLOC(curve->tag, n, int); - SAFE_CALLOC(curve->c, n, dpoint3_t); - SAFE_CALLOC(curve->vertex, n, dpoint_t); - SAFE_CALLOC(curve->alpha, n, double); - SAFE_CALLOC(curve->alpha0, n, double); - SAFE_CALLOC(curve->beta, n, double); - return 0; - - calloc_error: - free(curve->tag); - free(curve->c); - free(curve->vertex); - free(curve->alpha); - free(curve->alpha0); - free(curve->beta); - return 1; -} - -/* copy private to public curve structure */ -void privcurve_to_curve(privcurve_t *pc, potrace_curve_t *c) { - c->n = pc->n; - c->tag = pc->tag; - c->c = pc->c; -} - |