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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.c112
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;
-}
-