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Diffstat (limited to 'leptonica/prog/pixmem_reg.c')
| -rw-r--r-- | leptonica/prog/pixmem_reg.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/leptonica/prog/pixmem_reg.c b/leptonica/prog/pixmem_reg.c new file mode 100644 index 00000000..6dfd4c12 --- /dev/null +++ b/leptonica/prog/pixmem_reg.c @@ -0,0 +1,152 @@ +/*====================================================================* + - 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. + *====================================================================*/ + +/* + * pixmem_reg.c + * + * Tests low-level pix data accessors, and functions that call them. + */ + +#ifdef HAVE_CONFIG_H +#include <config_auto.h> +#endif /* HAVE_CONFIG_H */ + +#include "allheaders.h" + +int main(int argc, + char **argv) +{ +l_uint32 *data; +PIX *pix1, *pix2, *pix3, *pix4, *pix5; +PIXA *pixa; +L_REGPARAMS *rp; + + if (regTestSetup(argc, argv, &rp)) + return 1; + + pixa = pixaCreate(0); + + /* Copy with internal resizing: onto a cmapped image */ + pix1 = pixRead("weasel4.16c.png"); + pix2 = pixRead("feyn-fract.tif"); + pix3 = pixRead("lucasta.150.jpg"); + pixCopy(pix3, pix2); + regTestComparePix(rp, pix2, pix3); /* 0 */ + pixaAddPix(pixa, pix3, L_INSERT); + pixCopy(pix1, pix3); + regTestComparePix(rp, pix1, pix2); /* 1 */ + pixaAddPix(pixa, pix1, L_INSERT); + pixDestroy(&pix2); + + /* Copy with internal resizing: from a cmapped image */ + pix1 = pixRead("weasel4.16c.png"); + pix2 = pixRead("feyn-fract.tif"); + pix3 = pixRead("lucasta.150.jpg"); + pixCopy(pix2, pix1); + regTestComparePix(rp, pix1, pix2); /* 2 */ + pixaAddPix(pixa, pix2, L_INSERT); + pixCopy(pix3, pix2); + regTestComparePix(rp, pix2, pix3); /* 3 */ + pixaAddPix(pixa, pix3, L_INSERT); + pixDestroy(&pix1); + + /* Transfer of data pixs --> pixd, when pixs is not cloned. + * pixs is destroyed. */ + pix1 = pixRead("weasel4.16c.png"); + pix2 = pixRead("feyn-fract.tif"); + pix3 = pixRead("lucasta.150.jpg"); + pix4 = pixCopy(NULL, pix1); + pixTransferAllData(pix2, &pix1, 0, 0); + regTestComparePix(rp, pix2, pix4); /* 4 */ + pixaAddPix(pixa, pix2, L_COPY); + pixTransferAllData(pix3, &pix2, 0, 0); + regTestComparePix(rp, pix3, pix4); /* 5 */ + pixaAddPix(pixa, pix3, L_INSERT); + pixDestroy(&pix4); + + /* Another transfer of data pixs --> pixd, when pixs is not cloned. + * pixs is destroyed. */ + pix1 = pixRead("weasel4.16c.png"); + pix2 = pixRead("feyn-fract.tif"); + pix3 = pixRead("lucasta.150.jpg"); + pix4 = pixCopy(NULL, pix1); + pixTransferAllData(pix2, &pix4, 0, 0); + regTestComparePix(rp, pix1, pix2); /* 6 */ + pixaAddPix(pixa, pix2, L_COPY); + pixTransferAllData(pix3, &pix2, 0, 0); + regTestComparePix(rp, pix1, pix3); /* 7 */ + pixaAddPix(pixa, pix3, L_INSERT); + pixDestroy(&pix1); + + /* Transfer of data pixs --> pixd, when pixs is cloned. + * pixs has its refcount reduced by 1. */ + pix1 = pixRead("weasel4.16c.png"); + pix2 = pixRead("feyn-fract.tif"); + pix3 = pixRead("lucasta.150.jpg"); + pix4 = pixClone(pix1); + pix5 = pixClone(pix2); + pixTransferAllData(pix2, &pix4, 0, 0); + regTestComparePix(rp, pix1, pix2); /* 8 */ + pixaAddPix(pixa, pix2, L_INSERT); + pixTransferAllData(pix3, &pix5, 0, 0); + regTestComparePix(rp, pix1, pix3); /* 9 */ + pixaAddPix(pixa, pix3, L_INSERT); + pixDestroy(&pix1); + + /* Extraction of data when pixs is not cloned, putting + * the data into a new template of pixs. */ + pix2 = pixRead("feyn-fract.tif"); + pix3 = pixCopy(NULL, pix2); /* for later reference */ + data = pixExtractData(pix2); + pix4 = pixCreateTemplateNoInit(pix2); + pixFreeData(pix4); + pixSetData(pix4, data); + regTestComparePix(rp, pix3, pix4); /* 10 */ + pixaAddPix(pixa, pix4, L_INSERT); + pixDestroy(&pix2); + pixDestroy(&pix3); + + /* Extraction of data when pixs is cloned, putting + * a copy of the data into a new template of pixs. */ + pix1 = pixRead("weasel4.16c.png"); + pix2 = pixClone(pix1); /* bump refcount of pix1 to 2 */ + data = pixExtractData(pix1); /* should make a copy of data */ + pix3 = pixCreateTemplateNoInit(pix1); + pixFreeData(pix3); + pixSetData(pix3, data); + regTestComparePix(rp, pix2, pix3); /* 11 */ + pixaAddPix(pixa, pix3, L_INSERT); + pixDestroy(&pix1); + pixDestroy(&pix2); + + pix1 = pixaDisplayTiledInRows(pixa, 32, 1500, 0.5, 0, 30, 2); + regTestWritePixAndCheck(rp, pix1, IFF_PNG); /* 12 */ + pixDisplayWithTitle(pix1, 100, 100, NULL, rp->display); + pixaDestroy(&pixa); + pixDestroy(&pix1); + + return regTestCleanup(rp); +} |