1 files changed, 76 insertions, 0 deletions
diff --git a/leptonica/prog/fpixcontours.c b/leptonica/prog/fpixcontours.c
new file mode 100644
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+++ b/leptonica/prog/fpixcontours.c
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+/*====================================================================*
+ -  Copyright (C) 2001 Leptonica.  All rights reserved.
+ -
+ -  Redistribution and use in source and binary forms, with or without
+ -  modification, are permitted provided that the following conditions
+ -  are met:
+ -  1. Redistributions of source code must retain the above copyright
+ -     notice, this list of conditions and the following disclaimer.
+ -  2. 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.
+ -
+ -  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ -  ``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 ANY
+ -  CONTRIBUTORS 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.
+ *====================================================================*/
+
+/*
+ * fpixcontours.c
+ *
+ *   Generates and displays an fpix as a set of contours
+ *
+ *   Syntax: fpixcontours filein [ncontours]
+ *   Default for ncontours is 40.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config_auto.h>
+#endif  /* HAVE_CONFIG_H */
+
+#include <string.h>
+#include "allheaders.h"
+
+static const char *fileout = "/tmp/lept/fpix/fpixcontours.png";
+
+int main(int    argc,
+         char **argv)
+{
+char        *filein;
+l_int32      ncontours;
+FPIX        *fpix;
+PIX         *pix;
+static char  mainName[] = "fpixcontours";
+
+    if (argc != 2 && argc != 3) {
+        lept_stderr("Syntax: fpixcontours filein [ncontours]\n");
+        return 1;
+    }
+    filein = argv[1];
+    if (argc == 2)
+        ncontours = 40;
+    else  /* argc == 3 */
+        ncontours = atoi(argv[2]);
+
+    setLeptDebugOK(1);
+    lept_mkdir("lept/fpix");
+
+    if ((fpix = fpixRead(filein)) == NULL)
+        return ERROR_INT(mainName, "fpix not read", 1);
+    pix = fpixAutoRenderContours(fpix, ncontours);
+    pixWrite(fileout, pix, IFF_PNG);
+    pixDisplay(pix, 100, 100);
+
+    pixDestroy(&pix);
+    fpixDestroy(&fpix);
+    return 0;
+}