int main(int argc, char **argv) { l_uint8 *data1, *data2; l_int32 i, same, w, h, width, success, nba; size_t size1, size2; l_float32 diffarea, diffxor, scalefact; BOX *box; BOXA *boxa1, *boxa2, *boxa3; BOXAA *baa1, *baa2, *baa3; PIX *pix1, *pixdb; PIXA *pixa1, *pixa2; L_REGPARAMS *rp; if (regTestSetup(argc, argv, &rp)) return 1; lept_mkdir("lept/boxa"); /* Make a boxa and display its contents */ boxa1 = boxaCreate(6); box = boxCreate(60, 60, 40, 20); boxaAddBox(boxa1, box, L_INSERT); box = boxCreate(120, 50, 20, 50); boxaAddBox(boxa1, box, L_INSERT); box = boxCreate(50, 140, 46, 60); boxaAddBox(boxa1, box, L_INSERT); box = boxCreate(166, 130, 64, 28); boxaAddBox(boxa1, box, L_INSERT); box = boxCreate(64, 224, 44, 34); boxaAddBox(boxa1, box, L_INSERT); box = boxCreate(117, 206, 26, 74); boxaAddBox(boxa1, box, L_INSERT); pix1 = DisplayBoxa(boxa1); regTestWritePixAndCheck(rp, pix1, IFF_PNG); /* 0 */ pixDisplayWithTitle(pix1, 0, 0, NULL, rp->display); pixDestroy(&pix1); boxaCompareRegions(boxa1, boxa1, 100, &same, &diffarea, &diffxor, NULL); regTestCompareValues(rp, 1, same, 0.0); /* 1 */ regTestCompareValues(rp, 0.0, diffarea, 0.0); /* 2 */ regTestCompareValues(rp, 0.0, diffxor, 0.0); /* 3 */ boxa2 = boxaTransform(boxa1, -13, -13, 1.0, 1.0); boxaCompareRegions(boxa1, boxa2, 10, &same, &diffarea, &diffxor, NULL); regTestCompareValues(rp, 1, same, 0.0); /* 4 */ regTestCompareValues(rp, 0.0, diffarea, 0.0); /* 5 */ regTestCompareValues(rp, 0.0, diffxor, 0.0); /* 6 */ boxaDestroy(&boxa2); boxa2 = boxaReconcileEvenOddHeight(boxa1, L_ADJUST_TOP_AND_BOT, 6, L_ADJUST_CHOOSE_MIN, 1.0, 0); pix1 = DisplayBoxa(boxa2); regTestWritePixAndCheck(rp, pix1, IFF_PNG); /* 7 */ pixDisplayWithTitle(pix1, 200, 0, NULL, rp->display); pixDestroy(&pix1); boxaCompareRegions(boxa1, boxa2, 10, &same, &diffarea, &diffxor, &pixdb); regTestCompareValues(rp, 1, same, 0.0); /* 8 */ regTestCompareValues(rp, 0.053, diffarea, 0.002); /* 9 */ regTestCompareValues(rp, 0.240, diffxor, 0.002); /* 10 */ regTestWritePixAndCheck(rp, pixdb, IFF_PNG); /* 11 */ pixDisplayWithTitle(pixdb, 400, 0, NULL, rp->display); pixDestroy(&pixdb); boxaDestroy(&boxa1); boxaDestroy(&boxa2); /* Input is a fairly clean boxa */ boxa1 = boxaRead("boxa1.ba"); boxa2 = boxaReconcileEvenOddHeight(boxa1, L_ADJUST_TOP, 80, L_ADJUST_CHOOSE_MIN, 1.05, 1); width = 100; boxaGetExtent(boxa2, &w, &h, NULL); scalefact = (l_float32)width / (l_float32)w; boxa3 = boxaTransform(boxa2, 0, 0, scalefact, scalefact); pix1 = boxaDisplayTiled(boxa3, NULL, 1500, 2, 1.0, 0, 3, 2); regTestWritePixAndCheck(rp, pix1, IFF_PNG); /* 12 */ pixDisplayWithTitle(pix1, 600, 0, NULL, rp->display); pixDestroy(&pix1); boxaDestroy(&boxa1); boxaDestroy(&boxa2); boxaDestroy(&boxa3); /* Input is an unsmoothed and noisy boxa */ boxa1 = boxaRead("boxa2.ba"); boxa2 = boxaReconcileEvenOddHeight(boxa1, L_ADJUST_TOP, 80, L_ADJUST_CHOOSE_MIN, 1.05, 1); width = 100; boxaGetExtent(boxa2, &w, &h, NULL); scalefact = (l_float32)width / (l_float32)w; boxa3 = boxaTransform(boxa2, 0, 0, scalefact, scalefact); pix1 = boxaDisplayTiled(boxa3, NULL, 1500, 2, 1.0, 0, 3, 2); regTestWritePixAndCheck(rp, pix1, IFF_PNG); /* 13 */ pixDisplayWithTitle(pix1, 800, 0, NULL, rp->display); pixDestroy(&pix1); boxaDestroy(&boxa1); boxaDestroy(&boxa2); boxaDestroy(&boxa3); /* Input is a boxa smoothed with a median window filter */ boxa1 = boxaRead("boxa3.ba"); boxa2 = boxaReconcileEvenOddHeight(boxa1, L_ADJUST_TOP, 80, L_ADJUST_CHOOSE_MIN, 1.05, 1); width = 100; boxaGetExtent(boxa2, &w, &h, NULL); scalefact = (l_float32)width / (l_float32)w; boxa3 = boxaTransform(boxa2, 0, 0, scalefact, scalefact); pix1 = boxaDisplayTiled(boxa3, NULL, 1500, 2, 1.0, 0, 3, 2); regTestWritePixAndCheck(rp, pix1, IFF_PNG); /* 14 */ pixDisplayWithTitle(pix1, 1000, 0, NULL, rp->display); pixDestroy(&pix1); boxaDestroy(&boxa1); boxaDestroy(&boxa2); boxaDestroy(&boxa3); /* Test serialized boxa I/O to and from memory */ data1 = l_binaryRead("boxa2.ba", &size1); boxa1 = boxaReadMem(data1, size1); boxaWriteMem(&data2, &size2, boxa1); boxa2 = boxaReadMem(data2, size2); boxaWrite("/tmp/lept/boxa/boxa1.ba", boxa1); boxaWrite("/tmp/lept/boxa/boxa2.ba", boxa2); filesAreIdentical("/tmp/lept/boxa/boxa1.ba", "/tmp/lept/boxa/boxa2.ba", &same); regTestCompareValues(rp, 1, same, 0.0); /* 15 */ boxaDestroy(&boxa1); boxaDestroy(&boxa2); lept_free(data1); lept_free(data2); /* ----------- Test pixaDisplayBoxaa() ------------ */ pixa1 = pixaReadBoth("showboxes.pac"); baa1 = boxaaRead("showboxes1.baa"); baa2 = boxaaTranspose(baa1); baa3 = boxaaTranspose(baa2); nba = boxaaGetCount(baa1); success = TRUE; for (i = 0; i < nba; i++) { boxa1 = boxaaGetBoxa(baa1, i, L_CLONE); boxa2 = boxaaGetBoxa(baa3, i, L_CLONE); boxaEqual(boxa1, boxa2, 0, NULL, &same); boxaDestroy(&boxa1); boxaDestroy(&boxa2); if (!same) success = FALSE; } /* Check that the transpose is reversible */ regTestCompareValues(rp, 1, success, 0.0); /* 16 */ pixa2 = pixaDisplayBoxaa(pixa1, baa2, L_DRAW_RGB, 2); pix1 = pixaDisplayTiledInRows(pixa2, 32, 1400, 1.0, 0, 10, 0); regTestWritePixAndCheck(rp, pix1, IFF_PNG); /* 17 */ pixDisplayWithTitle(pix1, 0, 600, NULL, rp->display); fprintf(stderr, "Writing to: /tmp/lept/boxa/show.pdf\n"); l_pdfSetDateAndVersion(FALSE); pixaConvertToPdf(pixa2, 75, 1.0, 0, 0, NULL, "/tmp/lept/boxa/show.pdf"); regTestCheckFile(rp, "/tmp/lept/boxa/show.pdf"); /* 18 */ pixDestroy(&pix1); pixaDestroy(&pixa1); pixaDestroy(&pixa2); boxaaDestroy(&baa1); boxaaDestroy(&baa2); boxaaDestroy(&baa3); return regTestCleanup(rp); }
/*! * pixaEqual() * * Input: pixa1 * pixa2 * maxdist * &naindex (<optional return> index array of correspondences * &same (<return> 1 if equal; 0 otherwise) * Return 0 if OK, 1 on error * * Notes: * (1) The two pixa are the "same" if they contain the same * boxa and the same ordered set of pix. However, if they * have boxa, the pix in each pixa can differ in ordering * by an amount given by the parameter @maxdist. If they * don't have a boxa, the @maxdist parameter is ignored, * and the ordering must be identical. * (2) This applies only to boxa geometry, pixels and ordering; * other fields in the pix are ignored. * (3) naindex[i] gives the position of the box in pixa2 that * corresponds to box i in pixa1. It is only returned if the * pixa have boxa and the boxa are equal. * (4) In situations where the ordering is very different, so that * a large @maxdist is required for "equality", this should be * implemented with a hash function for efficiency. */ l_int32 pixaEqual(PIXA *pixa1, PIXA *pixa2, l_int32 maxdist, NUMA **pnaindex, l_int32 *psame) { l_int32 i, j, n, same, sameboxa; BOXA *boxa1, *boxa2; NUMA *na; PIX *pix1, *pix2; PROCNAME("pixaEqual"); if (!psame) return ERROR_INT("&same not defined", procName, 1); *psame = 0; sameboxa = 0; na = NULL; if (!pixa1 || !pixa2) return ERROR_INT("pixa1 and pixa2 not both defined", procName, 1); n = pixaGetCount(pixa1); if (n != pixaGetCount(pixa2)) return 0; boxa1 = pixaGetBoxa(pixa1, L_CLONE); boxa2 = pixaGetBoxa(pixa2, L_CLONE); if (!boxa1 && !boxa2) maxdist = 0; /* exact ordering required */ if (boxa1 && !boxa2) { boxaDestroy(&boxa1); return 0; } if (!boxa1 && boxa2) { boxaDestroy(&boxa2); return 0; } if (boxa1 && boxa2) { boxaEqual(boxa1, boxa2, maxdist, &na, &sameboxa); boxaDestroy(&boxa1); boxaDestroy(&boxa2); if (!sameboxa) { numaDestroy(&na); return 0; } } for (i = 0; i < n; i++) { pix1 = pixaGetPix(pixa1, i, L_CLONE); if (na) numaGetIValue(na, i, &j); else j = i; pix2 = pixaGetPix(pixa2, j, L_CLONE); pixEqual(pix1, pix2, &same); pixDestroy(&pix1); pixDestroy(&pix2); if (!same) { numaDestroy(&na); return 0; } } *psame = 1; if (pnaindex) *pnaindex = na; else numaDestroy(&na); return 0; }
int main(int argc, char **argv) { l_uint8 *data1, *data2; l_int32 i, same, w, h, width, success, nba; size_t size1, size2; l_float32 diffarea, diffxor, scalefact; BOX *box; BOXA *boxa1, *boxa2, *boxa3; BOXAA *baa1, *baa2, *baa3; PIX *pix1, *pixdb; PIXA *pixa1, *pixa2; static char mainName[] = "boxa1_reg"; if (argc != 1) return ERROR_INT(" Syntax: boxa1_reg", mainName, 1); lept_mkdir("lept/boxa"); /* Make a boxa and display its contents */ boxa1 = boxaCreate(6); box = boxCreate(60, 60, 40, 20); boxaAddBox(boxa1, box, L_INSERT); box = boxCreate(120, 50, 20, 50); boxaAddBox(boxa1, box, L_INSERT); box = boxCreate(50, 140, 46, 60); boxaAddBox(boxa1, box, L_INSERT); box = boxCreate(166, 130, 64, 28); boxaAddBox(boxa1, box, L_INSERT); box = boxCreate(64, 224, 44, 34); boxaAddBox(boxa1, box, L_INSERT); box = boxCreate(117, 206, 26, 74); boxaAddBox(boxa1, box, L_INSERT); pix1 = DisplayBoxa(boxa1); pixDisplay(pix1, 100, 100); pixDestroy(&pix1); boxaCompareRegions(boxa1, boxa1, 100, &same, &diffarea, &diffxor, NULL); fprintf(stderr, "same = %d, diffarea = %5.3f, diffxor = %5.3f\n", same, diffarea, diffxor); boxa2 = boxaTransform(boxa1, -13, -13, 1.0, 1.0); boxaCompareRegions(boxa1, boxa2, 10, &same, &diffarea, &diffxor, NULL); fprintf(stderr, "same = %d, diffarea = %5.3f, diffxor = %5.3f\n", same, diffarea, diffxor); boxaDestroy(&boxa2); boxa2 = boxaReconcileEvenOddHeight(boxa1, L_ADJUST_TOP_AND_BOT, 6, L_ADJUST_CHOOSE_MIN, 1.0, 0); pix1 = DisplayBoxa(boxa2); pixDisplay(pix1, 100, 500); pixDestroy(&pix1); boxaCompareRegions(boxa1, boxa2, 10, &same, &diffarea, &diffxor, &pixdb); fprintf(stderr, "same = %d, diffarea = %5.3f, diffxor = %5.3f\n", same, diffarea, diffxor); pixDisplay(pixdb, 700, 100); pixDestroy(&pixdb); boxaDestroy(&boxa1); boxaDestroy(&boxa2); /* Input is a fairly clean boxa */ boxa1 = boxaRead("boxa1.ba"); boxa2 = boxaReconcileEvenOddHeight(boxa1, L_ADJUST_TOP, 80, L_ADJUST_CHOOSE_MIN, 1.05, 1); width = 100; boxaGetExtent(boxa2, &w, &h, NULL); scalefact = (l_float32)width / (l_float32)w; boxa3 = boxaTransform(boxa2, 0, 0, scalefact, scalefact); pix1 = boxaDisplayTiled(boxa3, NULL, 1500, 2, 1.0, 0, 3, 2); pixDisplay(pix1, 0, 100); pixWrite("/tmp/lept/boxa/pix1.png", pix1, IFF_PNG); pixDestroy(&pix1); boxaDestroy(&boxa1); boxaDestroy(&boxa2); boxaDestroy(&boxa3); /* Input is an unsmoothed and noisy boxa */ boxa1 = boxaRead("boxa2.ba"); boxa2 = boxaReconcileEvenOddHeight(boxa1, L_ADJUST_TOP, 80, L_ADJUST_CHOOSE_MIN, 1.05, 1); width = 100; boxaGetExtent(boxa2, &w, &h, NULL); scalefact = (l_float32)width / (l_float32)w; boxa3 = boxaTransform(boxa2, 0, 0, scalefact, scalefact); pix1 = boxaDisplayTiled(boxa3, NULL, 1500, 2, 1.0, 0, 3, 2); pixDisplay(pix1, 500, 100); pixWrite("/tmp/lept/boxa/pix2.png", pix1, IFF_PNG); pixDestroy(&pix1); boxaDestroy(&boxa1); boxaDestroy(&boxa2); boxaDestroy(&boxa3); /* Input is a boxa smoothed with a median window filter */ boxa1 = boxaRead("boxa3.ba"); boxa2 = boxaReconcileEvenOddHeight(boxa1, L_ADJUST_TOP, 80, L_ADJUST_CHOOSE_MIN, 1.05, 1); width = 100; boxaGetExtent(boxa2, &w, &h, NULL); scalefact = (l_float32)width / (l_float32)w; boxa3 = boxaTransform(boxa2, 0, 0, scalefact, scalefact); pix1 = boxaDisplayTiled(boxa3, NULL, 1500, 2, 1.0, 0, 3, 2); pixDisplay(pix1, 1000, 100); pixWrite("/tmp/lept/boxa/pix3.png", pix1, IFF_PNG); pixDestroy(&pix1); boxaDestroy(&boxa1); boxaDestroy(&boxa2); boxaDestroy(&boxa3); /* Test serialized boxa I/O to and from memory */ data1 = l_binaryRead("boxa2.ba", &size1); boxa1 = boxaReadMem(data1, size1); boxaWriteMem(&data2, &size2, boxa1); boxa2 = boxaReadMem(data2, size2); boxaWrite("/tmp/lept/boxa/boxa1.ba", boxa1); boxaWrite("/tmp/lept/boxa/boxa2.ba", boxa2); filesAreIdentical("/tmp/lept/boxa/boxa1.ba", "/tmp/lept/boxa/boxa2.ba", &same); if (same) fprintf(stderr, "Good: boxes files are identical\n"); else fprintf(stderr, "Bad: boxes files differ\n"); boxaDestroy(&boxa1); boxaDestroy(&boxa2); lept_free(data1); lept_free(data2); /* Test pixaDisplayBoxaa() */ pixa1 = pixaReadBoth("showboxes.pac"); baa1 = boxaaRead("showboxes1.baa"); baa2 = boxaaTranspose(baa1); baa3 = boxaaTranspose(baa2); nba = boxaaGetCount(baa1); success = TRUE; for (i = 0; i < nba; i++) { boxa1 = boxaaGetBoxa(baa1, i, L_CLONE); boxa2 = boxaaGetBoxa(baa3, i, L_CLONE); boxaEqual(boxa1, boxa2, 0, NULL, &same); boxaDestroy(&boxa1); boxaDestroy(&boxa2); if (!same) success = FALSE; } if (success) fprintf(stderr, "Good: transpose is reversible\n"); else fprintf(stderr, "Bad: transpose failed\n"); pixa2 = pixaDisplayBoxaa(pixa1, baa2, L_DRAW_RGB, 2); pix1 = pixaDisplayTiledInRows(pixa2, 32, 1400, 1.0, 0, 10, 0); pixDisplay(pix1, 0, 600); fprintf(stderr, "Writing to: /tmp/lept/boxa/show.pdf\n"); pixaConvertToPdf(pixa2, 75, 1.0, 0, 0, NULL, "/tmp/lept/boxa/show.pdf"); pixDestroy(&pix1); pixaDestroy(&pixa1); pixaDestroy(&pixa2); boxaaDestroy(&baa1); boxaaDestroy(&baa2); boxaaDestroy(&baa3); return 0; }