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-rw-r--r--src/trace/potrace/potracelib.cpp123
1 files changed, 62 insertions, 61 deletions
diff --git a/src/trace/potrace/potracelib.cpp b/src/trace/potrace/potracelib.cpp
index 17e04cabb..0fb835593 100644
--- a/src/trace/potrace/potracelib.cpp
+++ b/src/trace/potrace/potracelib.cpp
@@ -1,10 +1,10 @@
-/* Copyright (C) 2001-2007 Peter Selinger.
+/* Copyright (C) 2001-2011 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. */
#include <stdlib.h>
#include <string.h>
-#include <glib/gstrfuncs.h>
+#include <glib.h>
#include "potracelib.h"
#include "inkscape-version.h"
@@ -35,79 +35,80 @@ static const potrace_param_t param_default = {
/* 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, &param_default, sizeof(potrace_param_t));
- return p;
+ potrace_param_t *p;
+
+ p = (potrace_param_t *) malloc(sizeof(potrace_param_t));
+ if (!p) {
+ return NULL;
+ }
+ memcpy(p, &param_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). Complete or
- incomplete Potrace state can be freed with potrace_state_free(). */
+ 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;
+ 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);
+ pathlist_free(st->plist);
+ free(st);
}
/* free a parameter list, without disturbing errno. */
void potrace_param_free(potrace_param_t *p) {
- free(p);
+ free(p);
}
char *potrace_version(void) {