/*====================================================================* - 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. *====================================================================*/ /* * rotate2_reg.c * * Regression test for rotation by shear, sampling and area mapping. * Displays results from all the various types of rotations. */ #ifdef HAVE_CONFIG_H #include #endif /* HAVE_CONFIG_H */ #include "allheaders.h" #define BINARY_IMAGE "test1.png" #define TWO_BPP_IMAGE "weasel2.4c.png" #define FOUR_BPP_IMAGE1 "weasel4.11c.png" #define FOUR_BPP_IMAGE2 "weasel4.16g.png" #define EIGHT_BPP_IMAGE "test8.jpg" #define EIGHT_BPP_CMAP_IMAGE1 "dreyfus8.png" #define EIGHT_BPP_CMAP_IMAGE2 "test24.jpg" #define RGB_IMAGE "marge.jpg" static const l_float32 ANGLE1 = 3.14159265 / 30.; static const l_float32 ANGLE2 = 3.14159265 / 7.; void RotateTest(PIX *pixs, l_float32 scale, L_REGPARAMS *rp); int main(int argc, char **argv) { PIX *pixs, *pixd; L_REGPARAMS *rp; if (regTestSetup(argc, argv, &rp)) return 1; lept_stderr("Test binary image:\n"); pixs = pixRead(BINARY_IMAGE); RotateTest(pixs, 1.0, rp); pixDestroy(&pixs); lept_stderr("Test 2 bpp cmapped image with filled cmap:\n"); pixs = pixRead(TWO_BPP_IMAGE); RotateTest(pixs, 1.0, rp); pixDestroy(&pixs); lept_stderr("Test 4 bpp cmapped image with unfilled cmap:\n"); pixs = pixRead(FOUR_BPP_IMAGE1); RotateTest(pixs, 1.0, rp); pixDestroy(&pixs); lept_stderr("Test 4 bpp cmapped image with filled cmap:\n"); pixs = pixRead(FOUR_BPP_IMAGE2); RotateTest(pixs, 1.0, rp); pixDestroy(&pixs); lept_stderr("Test 8 bpp grayscale image:\n"); pixs = pixRead(EIGHT_BPP_IMAGE); RotateTest(pixs, 1.0, rp); pixDestroy(&pixs); lept_stderr("Test 8 bpp grayscale cmap image:\n"); pixs = pixRead(EIGHT_BPP_CMAP_IMAGE1); RotateTest(pixs, 1.0, rp); pixDestroy(&pixs); lept_stderr("Test 8 bpp color cmap image:\n"); pixs = pixRead(EIGHT_BPP_CMAP_IMAGE2); pixd = pixOctreeColorQuant(pixs, 200, 0); RotateTest(pixd, 0.5, rp); pixDestroy(&pixs); pixDestroy(&pixd); lept_stderr("Test rgb image:\n"); pixs = pixRead(RGB_IMAGE); RotateTest(pixs, 0.25, rp); pixDestroy(&pixs); return regTestCleanup(rp); } void RotateTest(PIX *pixs, l_float32 scale, L_REGPARAMS *rp) { l_int32 w, h, d, outformat; PIX *pix1, *pix2, *pix3, *pixd; PIXA *pixa; pixGetDimensions(pixs, &w, &h, &d); outformat = (d == 8 || d == 32) ? IFF_JFIF_JPEG : IFF_PNG; pixa = pixaCreate(0); pix1 = pixRotate(pixs, ANGLE1, L_ROTATE_SHEAR, L_BRING_IN_WHITE, w, h); pixaAddPix(pixa, pix1, L_INSERT); pix2 = pixRotate(pixs, ANGLE1, L_ROTATE_SHEAR, L_BRING_IN_BLACK, w, h); pixaAddPix(pixa, pix2, L_INSERT); pix1 = pixRotate(pixs, ANGLE1, L_ROTATE_SHEAR, L_BRING_IN_WHITE, 0, 0); pixaAddPix(pixa, pix1, L_INSERT); pix2 = pixRotate(pixs, ANGLE1, L_ROTATE_SHEAR, L_BRING_IN_BLACK, 0, 0); pixaAddPix(pixa, pix2, L_INSERT); pix1 = pixRotate(pixs, ANGLE2, L_ROTATE_SHEAR, L_BRING_IN_WHITE, w, h); pixaAddPix(pixa, pix1, L_INSERT); pix2 = pixRotate(pixs, ANGLE2, L_ROTATE_SHEAR, L_BRING_IN_BLACK, w, h); pixaAddPix(pixa, pix2, L_INSERT); pix1 = pixRotate(pixs, ANGLE2, L_ROTATE_SHEAR, L_BRING_IN_WHITE, 0, 0); pixaAddPix(pixa, pix1, L_INSERT); pix2 = pixRotate(pixs, ANGLE2, L_ROTATE_SHEAR, L_BRING_IN_BLACK, 0, 0); pixaAddPix(pixa, pix2, L_INSERT); pixd = pixaDisplayTiledInColumns(pixa, 2, scale, 20, 0); regTestWritePixAndCheck(rp, pixd, outformat); pixDisplayWithTitle(pixd, 100, 100, NULL, rp->display); pixDestroy(&pixd); pixaDestroy(&pixa); pixa = pixaCreate(0); pix1 = pixRotate(pixs, ANGLE2, L_ROTATE_SAMPLING, L_BRING_IN_WHITE, w, h); pixaAddPix(pixa, pix1, L_INSERT); pix2 = pixRotate(pixs, ANGLE2, L_ROTATE_SAMPLING, L_BRING_IN_BLACK, w, h); pixaAddPix(pixa, pix2, L_INSERT); pix1 = pixRotate(pixs, ANGLE2, L_ROTATE_SAMPLING, L_BRING_IN_WHITE, 0, 0); pixaAddPix(pixa, pix1, L_INSERT); pix2 = pixRotate(pixs, ANGLE2, L_ROTATE_SAMPLING, L_BRING_IN_BLACK, 0, 0); pixaAddPix(pixa, pix2, L_INSERT); if (pixGetDepth(pixs) == 1) pix1 = pixScaleToGray2(pixs); else pix1 = pixClone(pixs); pix2 = pixRotate(pix1, ANGLE2, L_ROTATE_AREA_MAP, L_BRING_IN_WHITE, w, h); pixaAddPix(pixa, pix2, L_INSERT); pix3 = pixRotate(pix1, ANGLE2, L_ROTATE_AREA_MAP, L_BRING_IN_BLACK, w, h); pixaAddPix(pixa, pix3, L_INSERT); pix2 = pixRotate(pix1, ANGLE2, L_ROTATE_AREA_MAP, L_BRING_IN_WHITE, 0, 0); pixaAddPix(pixa, pix2, L_INSERT); pix3 = pixRotate(pix1, ANGLE2, L_ROTATE_AREA_MAP, L_BRING_IN_BLACK, 0, 0); pixaAddPix(pixa, pix3, L_INSERT); pixDestroy(&pix1); pixd = pixaDisplayTiledInColumns(pixa, 2, scale, 20, 0); regTestWritePixAndCheck(rp, pixd, outformat); pixDisplayWithTitle(pixd, 600, 100, NULL, rp->display); pixDestroy(&pixd); pixaDestroy(&pixa); return; }