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Diffstat (limited to 'leptonica/prog/splitcomp_reg.c')
| -rw-r--r-- | leptonica/prog/splitcomp_reg.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/leptonica/prog/splitcomp_reg.c b/leptonica/prog/splitcomp_reg.c new file mode 100644 index 00000000..faa49415 --- /dev/null +++ b/leptonica/prog/splitcomp_reg.c @@ -0,0 +1,158 @@ +/*====================================================================* + - 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. + *====================================================================*/ + +/* + * splitcomp_reg.c + * + * Regression test for splittings of a single component and for an image + * composed of several components, using different components and + * parameters. Note that: + * (1) All coverings must cover the fg of the mask. + * (2) The first set of parameters is small and generates + * a proper tiling, covering ONLY the mask fg. + * (3) The tilings generated on 90 degree rotated components + * are identical (rotated) to those on un-rotated components. + */ + +#ifdef HAVE_CONFIG_H +#include <config_auto.h> +#endif /* HAVE_CONFIG_H */ + +#include "allheaders.h" + +int main(int argc, + char **argv) +{ +l_int32 i, j, w, h; +l_int32 minsum[5] = { 2, 40, 50, 50, 70}; +l_int32 skipdist[5] = { 5, 5, 10, 10, 30}; +l_int32 delta[5] = { 2, 10, 10, 25, 40}; +l_int32 maxbg[5] = {10, 15, 10, 20, 40}; +BOX *box1, *box2, *box3, *box4; +BOXA *boxa; +PIX *pixs, *pixc, *pixt, *pixd, *pix32; +PIXA *pixas, *pixad; +L_REGPARAMS *rp; + + if (regTestSetup(argc, argv, &rp)) + return 1; + + /* Generate and save 1 bpp masks */ + pixas = pixaCreate(0); + pixs = pixCreate(300, 250, 1); + pixSetAll(pixs); + box1 = boxCreate(50, 0, 140, 25); + box2 = boxCreate(120, 100, 100, 25); + box3 = boxCreate(75, 170, 80, 20); + box4 = boxCreate(150, 80, 25, 70); + + pixClearInRect(pixs, box1); + pixaAddPix(pixas, pixs, L_COPY); + pixt = pixRotateOrth(pixs, 1); + pixaAddPix(pixas, pixt, L_INSERT); + + pixClearInRect(pixs, box2); + pixaAddPix(pixas, pixs, L_COPY); + pixt = pixRotateOrth(pixs, 1); + pixaAddPix(pixas, pixt, L_INSERT); + + pixClearInRect(pixs, box3); + pixaAddPix(pixas, pixs, L_COPY); + pixt = pixRotateOrth(pixs, 1); + pixaAddPix(pixas, pixt, L_INSERT); + + pixClearInRect(pixs, box4); + pixaAddPix(pixas, pixs, L_COPY); + pixt = pixRotateOrth(pixs, 1); + pixaAddPix(pixas, pixt, L_INSERT); + + boxDestroy(&box1); + boxDestroy(&box2); + boxDestroy(&box3); + boxDestroy(&box4); + pixDestroy(&pixs); + + /* Do 5 splittings on each of the 8 masks */ + pixad = pixaCreate(0); + for (j = 0; j < 8; j++) { + pixt = pixaGetPix(pixas, j, L_CLONE); + pixGetDimensions(pixt, &w, &h, NULL); + pix32 = pixCreate(w, h, 32); + pixSetAll(pix32); + pixPaintThroughMask(pix32, pixt, 0, 0, 0xc0c0c000); + pixaAddPix(pixad, pix32, L_INSERT); + for (i = 0; i < 5; i++) { + pixc = pixCopy(NULL, pix32); + boxa = pixSplitComponentIntoBoxa(pixt, NULL, minsum[i], skipdist[i], + delta[i], maxbg[i], 0, 1); +/* boxaWriteStream(stderr, boxa); */ + pixd = pixBlendBoxaRandom(pixc, boxa, 0.4); + pixRenderBoxaArb(pixd, boxa, 2, 255, 0, 0); + pixaAddPix(pixad, pixd, L_INSERT); + pixDestroy(&pixc); + boxaDestroy(&boxa); + } + pixDestroy(&pixt); + } + + /* Display results */ + pixd = pixaDisplayTiledInColumns(pixad, 6, 1.0, 30, 0); + regTestWritePixAndCheck(rp, pixd, IFF_PNG); /* 0 */ + pixDisplayWithTitle(pixd, 100, 100, NULL, rp->display); + pixDestroy(&pixd); + pixaDestroy(&pixad); + + /* Put the 8 masks all together, and split 5 ways */ + pixad = pixaCreate(0); + pixs = pixaDisplayOnLattice(pixas, 325, 325, NULL, NULL); + pixGetDimensions(pixs, &w, &h, NULL); + pix32 = pixCreate(w, h, 32); + pixSetAll(pix32); + pixPaintThroughMask(pix32, pixs, 0, 0, 0xc0c0c000); + pixaAddPix(pixad, pix32, L_INSERT); + for (i = 0; i < 5; i++) { + pixc = pixCopy(NULL, pix32); + boxa = pixSplitIntoBoxa(pixs, minsum[i], skipdist[i], + delta[i], maxbg[i], 0, 1); +/* boxaWriteStream(stderr, boxa); */ + pixd = pixBlendBoxaRandom(pixc, boxa, 0.4); + pixRenderBoxaArb(pixd, boxa, 2, 255, 0, 0); + pixaAddPix(pixad, pixd, L_INSERT); + pixDestroy(&pixc); + boxaDestroy(&boxa); + } + pixDestroy(&pixs); + + /* Display results */ + pixd = pixaDisplayTiledInColumns(pixad, 6, 1.0, 30, 0); + regTestWritePixAndCheck(rp, pixd, IFF_PNG); /* 1 */ + pixDisplayWithTitle(pixd, 600, 100, NULL, rp->display); + pixDestroy(&pixd); + pixaDestroy(&pixad); + + pixaDestroy(&pixas); + return regTestCleanup(rp); +} |