1 files changed, 116 insertions, 0 deletions
diff --git a/leptonica/prog/fpix2_reg.c b/leptonica/prog/fpix2_reg.c
new file mode 100644
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+++ b/leptonica/prog/fpix2_reg.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.
+ *====================================================================*/
+
+/*
+ *  fpix2_reg.c
+ *
+ *    Regression test for FPix:
+ *       - rotation by multiples of 90 degrees
+ *       - adding borders of various types
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config_auto.h>
+#endif  /* HAVE_CONFIG_H */
+
+#include "allheaders.h"
+
+int main(int    argc,
+         char **argv)
+{
+FPIX         *fpix1, *fpix2, *fpix3, *fpix4;
+PIX          *pix1, *pix2, *pix3, *pix4, *pix5, *pix6, *pix7, *pix8;
+L_REGPARAMS  *rp;
+
+    if (regTestSetup(argc, argv, &rp))
+        return 1;
+
+        /* Test orthogonal rotations */
+    pix1 = pixRead("marge.jpg");
+    pix2 = pixConvertTo8(pix1, 0);
+    fpix1 = pixConvertToFPix(pix2, 1);
+
+    fpix2 = fpixRotateOrth(fpix1, 1);
+    pix3 = fpixConvertToPix(fpix2, 8, L_CLIP_TO_ZERO, 0);
+    pix4 = pixRotateOrth(pix2, 1);
+    regTestComparePix(rp, pix3, pix4);  /* 0 */
+    pixDisplayWithTitle(pix3, 100, 100, NULL, rp->display);
+
+    fpix3 = fpixRotateOrth(fpix1, 2);
+    pix5 = fpixConvertToPix(fpix3, 8, L_CLIP_TO_ZERO, 0);
+    pix6 = pixRotateOrth(pix2, 2);
+    regTestComparePix(rp, pix5, pix6);  /* 1 */
+    pixDisplayWithTitle(pix5, 560, 100, NULL, rp->display);
+
+    fpix4 = fpixRotateOrth(fpix1, 3);
+    pix7 = fpixConvertToPix(fpix4, 8, L_CLIP_TO_ZERO, 0);
+    pix8 = pixRotateOrth(pix2, 3);
+    regTestComparePix(rp, pix7, pix8);  /* 2 */
+    pixDisplayWithTitle(pix7, 1170, 100, NULL, rp->display);
+    pixDisplayWithTitle(pix2, 560, 580, NULL, rp->display);
+
+    pixDestroy(&pix1);
+    pixDestroy(&pix2);
+    pixDestroy(&pix3);
+    pixDestroy(&pix4);
+    pixDestroy(&pix5);
+    pixDestroy(&pix6);
+    pixDestroy(&pix7);
+    pixDestroy(&pix8);
+    fpixDestroy(&fpix1);
+    fpixDestroy(&fpix2);
+    fpixDestroy(&fpix3);
+    fpixDestroy(&fpix4);
+
+        /* Test adding various borders */
+    pix1 = pixRead("marge.jpg");
+    pix2 = pixConvertTo8(pix1, 0);
+    fpix1 = pixConvertToFPix(pix2, 1);
+
+    fpix2 = fpixAddMirroredBorder(fpix1, 21, 21, 25, 25);
+    pix3 = fpixConvertToPix(fpix2, 8, L_CLIP_TO_ZERO, 0);
+    pix4 = pixAddMirroredBorder(pix2, 21, 21, 25, 25);
+    regTestComparePix(rp, pix3, pix4);  /* 3 */
+    pixDisplayWithTitle(pix3, 100, 1000, NULL, rp->display);
+
+    fpix3 = fpixAddContinuedBorder(fpix1, 21, 21, 25, 25);
+    pix5 = fpixConvertToPix(fpix3, 8, L_CLIP_TO_ZERO, 0);
+    pix6 = pixAddContinuedBorder(pix2, 21, 21, 25, 25);
+    regTestComparePix(rp, pix5, pix6);  /* 4 */
+    pixDisplayWithTitle(pix5, 750, 1000, NULL, rp->display);
+
+    pixDestroy(&pix1);
+    pixDestroy(&pix2);
+    pixDestroy(&pix3);
+    pixDestroy(&pix4);
+    pixDestroy(&pix5);
+    pixDestroy(&pix6);
+    fpixDestroy(&fpix1);
+    fpixDestroy(&fpix2);
+    fpixDestroy(&fpix3);
+    return regTestCleanup(rp);
+}
+