| /* -*-C-*- |
| ******************************************************************************** |
| * |
| * File: seam.h (Formerly seam.h) |
| * Description: |
| * Author: Mark Seaman, SW Productivity |
| * Created: Fri Oct 16 14:37:00 1987 |
| * Modified: Thu May 16 17:05:52 1991 (Mark Seaman) marks@hpgrlt |
| * Language: C |
| * Package: N/A |
| * Status: Reusable Software Component |
| * |
| * (c) Copyright 1987, Hewlett-Packard Company. |
| ** Licensed under the Apache License, Version 2.0 (the "License"); |
| ** you may not use this file except in compliance with the License. |
| ** You may obtain a copy of the License at |
| ** http://www.apache.org/licenses/LICENSE-2.0 |
| ** Unless required by applicable law or agreed to in writing, software |
| ** distributed under the License is distributed on an "AS IS" BASIS, |
| ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| ** See the License for the specific language governing permissions and |
| ** limitations under the License. |
| * |
| *********************************************************************************/ |
| #ifndef SEAM_H |
| #define SEAM_H |
| |
| /*---------------------------------------------------------------------- |
| I n c l u d e s |
| ----------------------------------------------------------------------*/ |
| #include "split.h" |
| #include "tessarray.h" |
| |
| /*---------------------------------------------------------------------- |
| T y p e s |
| ----------------------------------------------------------------------*/ |
| typedef float PRIORITY; /* PRIORITY */ |
| |
| typedef struct seam_record |
| { /* SEAM */ |
| PRIORITY priority; |
| inT8 widthp; |
| inT8 widthn; |
| inT16 location; |
| SPLIT *split1; |
| SPLIT *split2; |
| SPLIT *split3; |
| } SEAM; |
| |
| typedef ARRAY SEAMS; /* SEAMS */ |
| |
| extern SEAM *newseam(); |
| |
| /*---------------------------------------------------------------------- |
| M a c r o s |
| ----------------------------------------------------------------------*/ |
| /********************************************************************** |
| * clone_seam |
| * |
| * Create a new seam record and copy the contents of this seam into it. |
| **********************************************************************/ |
| |
| #define clone_seam(dest,source) \ |
| if (source) { \ |
| (dest) = newseam (); \ |
| (dest)->location = (source)->location; \ |
| (dest)->widthp = (source)->widthp; \ |
| (dest)->widthn = (source)->widthn; \ |
| (dest)->priority = (source)->priority; \ |
| clone_split ((dest)->split1, (source)->split1); \ |
| clone_split ((dest)->split2, (source)->split2); \ |
| clone_split ((dest)->split3, (source)->split3); \ |
| } \ |
| else { \ |
| (dest) = (SEAM*) NULL; \ |
| } \ |
| |
| |
| /********************************************************************** |
| * exact_point |
| * |
| * Return TRUE if the point positions are the exactly the same. The |
| * parameters must be of type (EDGEPT*). |
| **********************************************************************/ |
| |
| #define exact_point(p1,p2) \ |
| (! ((p1->pos.x - p2->pos.x) || (p1->pos.y - p2->pos.y))) |
| |
| /*---------------------------------------------------------------------- |
| F u n c t i o n s |
| ----------------------------------------------------------------------*/ |
| bool point_in_split(SPLIT *split, EDGEPT *point1, EDGEPT *point2); |
| |
| bool point_in_seam(SEAM *seam, SPLIT *split); |
| |
| SEAMS add_seam(SEAMS seam_list, SEAM *seam); |
| |
| void combine_seams(SEAM *dest_seam, SEAM *source_seam); |
| |
| void delete_seam(void *arg); //SEAM *seam); |
| |
| void free_seam_list(SEAMS seam_list); |
| |
| bool test_insert_seam(SEAMS seam_list, |
| int index, |
| TBLOB *left_blob, |
| TBLOB *first_blob); |
| |
| SEAMS insert_seam(SEAMS seam_list, |
| int index, |
| SEAM *seam, |
| TBLOB *left_blob, |
| TBLOB *first_blob); |
| |
| int account_splits_right(SEAM *seam, TBLOB *blob); |
| |
| int account_splits_left(SEAM *seam, TBLOB *blob, TBLOB *end_blob); |
| |
| bool find_split_in_blob(SPLIT *split, TBLOB *blob); |
| |
| SEAM *join_two_seams(SEAM *seam1, SEAM *seam2); |
| |
| SEAM *new_seam(PRIORITY priority, |
| int x_location, |
| SPLIT *split1, |
| SPLIT *split2, |
| SPLIT *split3); |
| |
| SEAMS new_seam_list(); |
| |
| void print_seam(const char *label, SEAM *seam); |
| |
| void print_seams(const char *label, SEAMS seams); |
| |
| int shared_split_points(SEAM *seam1, SEAM *seam2); |
| #endif |