diff options
Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/libs/potrace/potracelib.c')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-src/libs/potrace/potracelib.c | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/libs/potrace/potracelib.c b/Build/source/texk/dvisvgm/dvisvgm-src/libs/potrace/potracelib.c deleted file mode 100644 index bf16e3f1747..00000000000 --- a/Build/source/texk/dvisvgm/dvisvgm-src/libs/potrace/potracelib.c +++ /dev/null @@ -1,114 +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. */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif - -#include <stdlib.h> -#include <string.h> - -#include "potracelib.h" -#include "curve.h" -#include "decompose.h" -#include "trace.h" -#include "progress.h" - -/* default parameters */ -static const potrace_param_t param_default = { - 2, /* turdsize */ - POTRACE_TURNPOLICY_MINORITY, /* turnpolicy */ - 1.0, /* alphamax */ - 1, /* opticurve */ - 0.2, /* opttolerance */ - { - NULL, /* callback function */ - NULL, /* callback data */ - 0.0, 1.0, /* progress range */ - 0.0, /* granularity */ - }, -}; - -/* Return a fresh copy of the set of default parameters, or NULL on - failure with errno set. */ -potrace_param_t *potrace_param_default(void) { - potrace_param_t *p; - - p = (potrace_param_t *) malloc(sizeof(potrace_param_t)); - if (!p) { - return NULL; - } - memcpy(p, ¶m_default, sizeof(potrace_param_t)); - return p; -} - -/* On success, returns a Potrace state st with st->status == - POTRACE_STATUS_OK. On failure, returns NULL if no Potrace state - could be created (with errno set), or returns an incomplete Potrace - state (with st->status == POTRACE_STATUS_INCOMPLETE, and with errno - set). Complete or incomplete Potrace state can be freed with - potrace_state_free(). */ -potrace_state_t *potrace_trace(const potrace_param_t *param, const potrace_bitmap_t *bm) { - int r; - path_t *plist = NULL; - potrace_state_t *st; - progress_t prog; - progress_t subprog; - - /* prepare private progress bar state */ - prog.callback = param->progress.callback; - prog.data = param->progress.data; - prog.min = param->progress.min; - prog.max = param->progress.max; - prog.epsilon = param->progress.epsilon; - prog.d_prev = param->progress.min; - - /* allocate state object */ - st = (potrace_state_t *)malloc(sizeof(potrace_state_t)); - if (!st) { - return NULL; - } - - progress_subrange_start(0.0, 0.1, &prog, &subprog); - - /* process the image */ - r = bm_to_pathlist(bm, &plist, param, &subprog); - if (r) { - free(st); - return NULL; - } - - st->status = POTRACE_STATUS_OK; - st->plist = plist; - st->priv = NULL; /* private state currently unused */ - - progress_subrange_end(&prog, &subprog); - - progress_subrange_start(0.1, 1.0, &prog, &subprog); - - /* partial success. */ - r = process_path(plist, param, &subprog); - if (r) { - st->status = POTRACE_STATUS_INCOMPLETE; - } - - progress_subrange_end(&prog, &subprog); - - return st; -} - -/* free a Potrace state, without disturbing errno. */ -void potrace_state_free(potrace_state_t *st) { - pathlist_free(st->plist); - free(st); -} - -/* free a parameter list, without disturbing errno. */ -void potrace_param_free(potrace_param_t *p) { - free(p); -} - -const char *potrace_version(void) { - return "potracelib " VERSION ""; -} |