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author | Thomas Deutschmann <whissi@gentoo.org> | 2021-03-30 10:59:39 +0200 |
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committer | Thomas Deutschmann <whissi@gentoo.org> | 2021-04-01 00:04:14 +0200 |
commit | 5ff1d6955496b3cf9a35042c9ac35db43bc336b1 (patch) | |
tree | 6d470f7eb448f59f53e8df1010aec9dad8ce1f72 /leptonica/prog/fmorphauto_reg.c | |
parent | Import Ghostscript 9.53.1 (diff) | |
download | ghostscript-gpl-patches-ghostscript-9.54.tar.gz ghostscript-gpl-patches-ghostscript-9.54.tar.bz2 ghostscript-gpl-patches-ghostscript-9.54.zip |
Import Ghostscript 9.54ghostscript-9.54
Signed-off-by: Thomas Deutschmann <whissi@gentoo.org>
Diffstat (limited to 'leptonica/prog/fmorphauto_reg.c')
-rw-r--r-- | leptonica/prog/fmorphauto_reg.c | 163 |
1 files changed, 163 insertions, 0 deletions
diff --git a/leptonica/prog/fmorphauto_reg.c b/leptonica/prog/fmorphauto_reg.c new file mode 100644 index 00000000..36d5967e --- /dev/null +++ b/leptonica/prog/fmorphauto_reg.c @@ -0,0 +1,163 @@ +/*====================================================================* + - 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. + *====================================================================*/ + +/* + * fmorphauto_reg.c + * + * Basic regression test for erosion & dilation: rasterops & dwa. + * + * Tests erosion and dilation from 58 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" + + /* defined in morph.c */ +LEPT_DLL extern l_int32 MORPH_BC; + + +int main(int argc, + char **argv) +{ +l_int32 i, nsels, same, xorcount; +char *filein, *selname; +PIX *pixs, *pixs1, *pixt1, *pixt2, *pixt3, *pixt4; +SEL *sel; +SELA *sela; +static char mainName[] = "fmorphauto_reg"; + + if (argc != 2) + return ERROR_INT(" Syntax: fmorphauto_reg filein", mainName, 1); + filein = argv[1]; + setLeptDebugOK(1); + + if ((pixs = pixRead(filein)) == NULL) + return ERROR_INT("pix not made", mainName, 1); + + sela = selaAddBasic(NULL); + nsels = selaGetCount(sela); + for (i = 0; i < nsels; i++) + { + sel = selaGetSel(sela, i); + selname = selGetName(sel); + + /* --------- dilation ----------*/ + + pixt1 = pixDilate(NULL, pixs, sel); + + pixs1 = pixAddBorder(pixs, 32, 0); + pixt2 = pixFMorphopGen_1(NULL, pixs1, L_MORPH_DILATE, selname); + pixt3 = pixRemoveBorder(pixt2, 32); + + pixt4 = pixXor(NULL, pixt1, pixt3); + pixZero(pixt4, &same); + + if (same == 1) { + lept_stderr("dilations are identical for sel %d (%s)\n", + i, selname); + } else { + lept_stderr("dilations differ for sel %d (%s)\n", i, selname); + pixCountPixels(pixt4, &xorcount, NULL); + lept_stderr("Number of pixels in XOR: %d\n", xorcount); + } + + pixDestroy(&pixt1); + pixDestroy(&pixt2); + pixDestroy(&pixt3); + pixDestroy(&pixt4); + pixDestroy(&pixs1); + + /* --------- erosion with asymmetric b.c ----------*/ + + resetMorphBoundaryCondition(ASYMMETRIC_MORPH_BC); + lept_stderr("MORPH_BC = %d ... ", MORPH_BC); + pixt1 = pixErode(NULL, pixs, sel); + + if (MORPH_BC == ASYMMETRIC_MORPH_BC) + pixs1 = pixAddBorder(pixs, 32, 0); /* OFF border pixels */ + else + pixs1 = pixAddBorder(pixs, 32, 1); /* ON border pixels */ + pixt2 = pixFMorphopGen_1(NULL, pixs1, L_MORPH_ERODE, selname); + pixt3 = pixRemoveBorder(pixt2, 32); + + pixt4 = pixXor(NULL, pixt1, pixt3); + pixZero(pixt4, &same); + + if (same == 1) { + lept_stderr("erosions are identical for sel %d (%s)\n", i, selname); + } else { + lept_stderr("erosions differ for sel %d (%s)\n", i, selname); + pixCountPixels(pixt4, &xorcount, NULL); + lept_stderr("Number of pixels in XOR: %d\n", xorcount); + } + + pixDestroy(&pixt1); + pixDestroy(&pixt2); + pixDestroy(&pixt3); + pixDestroy(&pixt4); + pixDestroy(&pixs1); + + /* --------- erosion with symmetric b.c ----------*/ + + resetMorphBoundaryCondition(SYMMETRIC_MORPH_BC); + lept_stderr("MORPH_BC = %d ... ", MORPH_BC); + pixt1 = pixErode(NULL, pixs, sel); + + if (MORPH_BC == ASYMMETRIC_MORPH_BC) + pixs1 = pixAddBorder(pixs, 32, 0); /* OFF border pixels */ + else + pixs1 = pixAddBorder(pixs, 32, 1); /* ON border pixels */ + pixt2 = pixFMorphopGen_1(NULL, pixs1, L_MORPH_ERODE, selname); + pixt3 = pixRemoveBorder(pixt2, 32); + + pixt4 = pixXor(NULL, pixt1, pixt3); + pixZero(pixt4, &same); + + if (same == 1) { + lept_stderr("erosions are identical for sel %d (%s)\n", i, selname); + } else { + lept_stderr("erosions differ for sel %d (%s)\n", i, selname); + pixCountPixels(pixt4, &xorcount, NULL); + lept_stderr("Number of pixels in XOR: %d\n", xorcount); + } + + pixDestroy(&pixt1); + pixDestroy(&pixt2); + pixDestroy(&pixt3); + pixDestroy(&pixt4); + pixDestroy(&pixs1); + } + + return 0; +} + |