/* VIPS function dispatch tables for morphology. * * J. Cupitt, 19/9/95 */ /* This file is part of VIPS. VIPS is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ /* These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk */ #ifdef HAVE_CONFIG_H #include #endif /*HAVE_CONFIG_H*/ #include #include #include #include /* Args to im_profile. */ static im_arg_desc profile_args[] = { IM_INPUT_IMAGE( "in" ), IM_OUTPUT_IMAGE( "out" ), IM_INPUT_INT( "direction" ) }; /* Call im_profile via arg vector. */ static int profile_vec( im_object *argv ) { int dir = *((int *) argv[2]); return( im_profile( argv[0], argv[1], dir ) ); } /* Description of im_profile. */ static im_function profile_desc = { "im_profile", /* Name */ "find first horizontal/vertical edge", /* Descr. */ IM_FN_TRANSFORM, /* Flags */ profile_vec, /* Dispatch function */ IM_NUMBER( profile_args ), /* Size of arg list */ profile_args /* Arg list */ }; /* Args to im_erode. */ static im_arg_desc erode_args[] = { IM_INPUT_IMAGE( "in" ), IM_OUTPUT_IMAGE( "out" ), IM_INPUT_IMASK( "mask" ) }; /* Call im_dilate via arg vector. */ static int dilate_vec( im_object *argv ) { im_mask_object *mo = argv[2]; return( im_dilate( argv[0], argv[1], mo->mask ) ); } /* Description of im_dilate. */ static im_function dilate_desc = { "im_dilate", /* Name */ "dilate image with mask, adding a black border", IM_FN_PIO | IM_FN_TRANSFORM, /* Flags */ dilate_vec, /* Dispatch function */ IM_NUMBER( erode_args ), /* Size of arg list */ erode_args /* Arg list */ }; /* Call im_erode via arg vector. */ static int erode_vec( im_object *argv ) { im_mask_object *mo = argv[2]; return( im_erode( argv[0], argv[1], mo->mask ) ); } /* Description of im_erode. */ static im_function erode_desc = { "im_erode", /* Name */ "erode image with mask, adding a black border", IM_FN_PIO | IM_FN_TRANSFORM, /* Flags */ erode_vec, /* Dispatch function */ IM_NUMBER( erode_args ), /* Size of arg list */ erode_args /* Arg list */ }; /* Args to im_cntlines. */ static im_arg_desc cntlines_args[] = { IM_INPUT_IMAGE( "in" ), IM_OUTPUT_DOUBLE( "nlines" ), IM_INPUT_INT( "direction" ) }; /* Call im_cntlines via arg vector. */ static int cntlines_vec( im_object *argv ) { double *out = (double *) argv[1]; int dir = *((int *) argv[2]); return( im_cntlines( argv[0], out, dir ) ); } /* Description of im_cntlines. */ static im_function cntlines_desc = { "im_cntlines", /* Name */ "count horizontal or vertical lines", 0, /* Flags */ cntlines_vec, /* Dispatch function */ IM_NUMBER( cntlines_args ), /* Size of arg list */ cntlines_args /* Arg list */ }; /* Args to im_rank. */ static im_arg_desc rank_args[] = { IM_INPUT_IMAGE( "in" ), IM_OUTPUT_IMAGE( "out" ), IM_INPUT_INT( "xsize" ), IM_INPUT_INT( "ysize" ), IM_INPUT_INT( "n" ) }; /* Call im_rank via arg vector. */ static int rank_vec( im_object *argv ) { int xsize = *((int *) argv[2]); int ysize = *((int *) argv[3]); int n = *((int *) argv[4]); return( im_rank( argv[0], argv[1], xsize, ysize, n ) ); } /* Description of im_rank. */ static im_function rank_desc = { "im_rank", /* Name */ "rank filter nth element of xsize/ysize window", IM_FN_PIO, /* Flags */ rank_vec, /* Dispatch function */ IM_NUMBER( rank_args ), /* Size of arg list */ rank_args /* Arg list */ }; /* Args for im_zerox. */ static im_arg_desc zerox_args[] = { IM_INPUT_IMAGE( "in" ), IM_OUTPUT_IMAGE( "out" ), IM_INPUT_INT( "flag" ) }; /* Call im_zerox via arg vector. */ static int zerox_vec( im_object *argv ) { int flag = *((int *) argv[2]); return( im_zerox( argv[0], argv[1], flag ) ); } /* Description of im_zerox. */ static im_function zerox_desc = { "im_zerox", /* Name */ "find +ve or -ve zero crossings in image", IM_FN_PIO | IM_FN_TRANSFORM, /* Flags */ zerox_vec, /* Dispatch function */ IM_NUMBER( zerox_args ), /* Size of arg list */ zerox_args /* Arg list */ }; static im_arg_desc maxvalue_args[] = { IM_INPUT_IMAGEVEC( "in" ), IM_OUTPUT_IMAGE( "out" ) }; static int maxvalue_vec( im_object *argv ) { im_imagevec_object *iv = (im_imagevec_object *) argv[0]; return( im_maxvalue( iv->vec, argv[1], iv->n ) ); } static im_function maxvalue_desc = { "im_maxvalue", /* Name */ "point-wise maximum value", /* Description */ IM_FN_PIO, /* Flags */ maxvalue_vec, /* Dispatch function */ IM_NUMBER( maxvalue_args ), /* Size of arg list */ maxvalue_args /* Arg list */ }; static im_arg_desc rank_image_args[] = { IM_INPUT_IMAGEVEC( "in" ), IM_OUTPUT_IMAGE( "out" ), IM_INPUT_INT( "index" ) }; static int rank_image_vec( im_object *argv ) { im_imagevec_object *iv = (im_imagevec_object *) argv[0]; int index = *((int *) argv[2]); return( im_rank_image( iv->vec, argv[1], iv->n, index ) ); } static im_function rank_image_desc = { "im_rank_image", /* Name */ "point-wise pixel rank", /* Description */ IM_FN_PIO, /* Flags */ rank_image_vec, /* Dispatch function */ IM_NUMBER( rank_image_args ), /* Size of arg list */ rank_image_args /* Arg list */ }; /* Args for im_label_regions(). */ static im_arg_desc label_regions_args[] = { IM_INPUT_IMAGE( "test" ), IM_OUTPUT_IMAGE( "mask" ), IM_OUTPUT_INT( "segments" ) }; /* Call im_label_regions() via arg vector. */ static int label_regions_vec( im_object *argv ) { IMAGE *test = argv[0]; IMAGE *mask = argv[1]; int *serial = (int *) argv[2]; return( im_label_regions( test, mask, serial ) ); } /* Description of im_label_regions(). */ static im_function label_regions_desc = { "im_label_regions", /* Name */ "number continuous regions in an image", 0, /* Flags */ label_regions_vec, /* Dispatch function */ IM_NUMBER( label_regions_args ),/* Size of arg list */ label_regions_args /* Arg list */ }; /* Package up all these functions. */ static im_function *morph_list[] = { &cntlines_desc, &dilate_desc, &rank_desc, &rank_image_desc, &maxvalue_desc, &label_regions_desc, &zerox_desc, &erode_desc, &profile_desc }; /* Package of functions. */ im_package im__morphology = { "morphology", IM_NUMBER( morph_list ), morph_list };