1 files changed, 90 insertions, 0 deletions
diff --git a/leptonica/prog/fhmtauto_reg.c b/leptonica/prog/fhmtauto_reg.c
new file mode 100644
index 00000000..7d7331e1
--- /dev/null
+++ b/leptonica/prog/fhmtauto_reg.c
@@ -0,0 +1,90 @@
+/*====================================================================*
+ -  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.
+ *====================================================================*/
+
+/*
+ * fhmtauto_reg.c
+ *
+ *    Basic regression test for hit-miss transform: rasterops & dwa.
+ *
+ *    Tests hmt from a set of hmt structuring elements
+ *    by comparing the full image rasterop results with the
+ *    automatically generated dwa results.
+ *
+ *    Results must be identical for all operations.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config_auto.h>
+#endif  /* HAVE_CONFIG_H */
+
+#include "allheaders.h"
+
+int main(int    argc,
+         char **argv)
+{
+l_int32       i, nsels, same1, same2;
+char         *selname;
+PIX          *pixs, *pixref, *pix1, *pix2, *pix3, *pix4;
+SEL          *sel;
+SELA         *sela;
+L_REGPARAMS  *rp;
+
+    if (regTestSetup(argc, argv, &rp))
+        return 1;
+
+    pixs = pixRead("feyn.tif");
+    sela = selaAddHitMiss(NULL);
+    nsels = selaGetCount(sela);
+
+    for (i = 0; i < nsels; i++)
+    {
+        sel = selaGetSel(sela, i);
+        selname = selGetName(sel);
+
+        pixref = pixHMT(NULL, pixs, sel);
+        pix1 = pixAddBorder(pixs, 32, 0);
+        pix2 = pixFHMTGen_1(NULL, pix1, selname);
+        pix3 = pixRemoveBorder(pix2, 32);
+        pix4 = pixHMTDwa_1(NULL, pixs, selname);
+        regTestComparePix(rp, pixref, pix3);  /* 0, 2, ... 18 */
+        regTestComparePix(rp, pixref, pix4);  /* 1, 3, ... 19 */
+        pixEqual(pixref, pix3, &same1);
+        pixEqual(pixref, pix4, &same2);
+        if (!same1 || !same2)
+            lept_stderr("hmt differ for sel %d (%s)\n", i, selname);
+        if (rp->display && same1 && same2)
+            lept_stderr("hmt are identical for sel %d (%s)\n", i, selname);
+        pixDestroy(&pixref);
+        pixDestroy(&pix1);
+        pixDestroy(&pix2);
+        pixDestroy(&pix3);
+        pixDestroy(&pix4);
+    }
+
+    pixDestroy(&pixs);
+    selaDestroy(&sela);
+    return regTestCleanup(rp);
+}