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Diffstat (limited to 'leptonica/prog/rasteropip_reg.c')
-rw-r--r-- | leptonica/prog/rasteropip_reg.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/leptonica/prog/rasteropip_reg.c b/leptonica/prog/rasteropip_reg.c new file mode 100644 index 00000000..d46c9480 --- /dev/null +++ b/leptonica/prog/rasteropip_reg.c @@ -0,0 +1,81 @@ +/*====================================================================* + - 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. + *====================================================================*/ + +/* + * rasteropip_reg.c + * + * Tests in-place operation using the general 2-image pixRasterop(). + * The in-place operation works because there is no overlap + * between the src and dest rectangles. + */ + +#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; +PIX *pixs, *pixt, *pixd; +L_REGPARAMS *rp; + + if (regTestSetup(argc, argv, &rp)) + return 1; + + pixs = pixRead("test8.jpg"); + pixt = pixCopy(NULL, pixs); + + /* Copy, in-place and one COLUMN at a time, from the right + side to the left side. */ + for (j = 0; j < 200; j++) + pixRasterop(pixs, 20 + j, 20, 1, 250, PIX_SRC, pixs, 250 + j, 20); + pixDisplayWithTitle(pixs, 50, 50, "in-place copy", rp->display); + + /* Copy, in-place and one ROW at a time, from the right + side to the left side. */ + for (i = 0; i < 250; i++) + pixRasterop(pixt, 20, 20 + i, 200, 1, PIX_SRC, pixt, 250, 20 + i); + + /* Test */ + regTestComparePix(rp, pixs, pixt); /* 0 */ + pixDestroy(&pixs); + pixDestroy(&pixt); + + /* Show the mirrored border, which uses the general + pixRasterop() on an image in-place. */ + pixs = pixRead("test8.jpg"); + pixt = pixRemoveBorder(pixs, 40); + pixd = pixAddMirroredBorder(pixt, 40, 40, 40, 40); + regTestWritePixAndCheck(rp, pixd, IFF_PNG); /* 1 */ + pixDisplayWithTitle(pixd, 650, 50, "mirrored border", rp->display); + pixDestroy(&pixs); + pixDestroy(&pixt); + pixDestroy(&pixd); + return regTestCleanup(rp); +} |