| /* -*-C-*- |
| ******************************************************************************** |
| * |
| * File: chop.h (Formerly chop.h) |
| * Description: |
| * Author: Mark Seaman, SW Productivity |
| * Created: Fri Oct 16 14:37:00 1987 |
| * Modified: Wed Jul 10 14:47:37 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 CHOP_H |
| #define CHOP_H |
| |
| /*---------------------------------------------------------------------- |
| I n c l u d e s |
| ----------------------------------------------------------------------*/ |
| #include "oldheap.h" |
| #include "seam.h" |
| |
| /*---------------------------------------------------------------------- |
| T y p e s |
| ---------------------------------------------------------------------*/ |
| #define MAX_NUM_POINTS 50 |
| typedef HEAP *POINT_GROUP; |
| typedef HEAP *SPLIT_GROUP; |
| |
| /*---------------------------------------------------------------------- |
| V a r i a b l e s |
| ----------------------------------------------------------------------*/ |
| extern INT_VAR_H(chop_debug, 0, "Chop debug"); |
| |
| extern BOOL_VAR_H(chop_enable, 1, "Chop enable"); |
| |
| extern BOOL_VAR_H(chop_vertical_creep, 0, "Vertical creep"); |
| |
| extern INT_VAR_H(chop_split_length, 10000, "Split Length"); |
| |
| extern INT_VAR_H(chop_same_distance, 2, "Same distance"); |
| |
| extern INT_VAR_H(chop_min_outline_points, 6, |
| "Min Number of Points on Outline"); |
| |
| extern INT_VAR_H(chop_inside_angle, -50, "Min Inside Angle Bend"); |
| |
| extern INT_VAR_H(chop_min_outline_area, 2000, "Min Outline Area"); |
| |
| extern double_VAR_H(chop_split_dist_knob, 0.5, "Split length adjustment"); |
| |
| extern double_VAR_H(chop_overlap_knob, 0.9, "Split overlap adjustment"); |
| |
| extern double_VAR_H(chop_center_knob, 0.15, "Split center adjustment"); |
| |
| extern double_VAR_H(chop_sharpness_knob, 0.06, "Split sharpness adjustment"); |
| |
| extern double_VAR_H(chop_width_change_knob, 5.0, "Width change adjustment"); |
| |
| extern double_VAR_H(chop_ok_split, 100.0, "OK split limit"); |
| |
| extern double_VAR_H(chop_good_split, 50.0, "Good split limit"); |
| |
| extern INT_VAR_H(chop_x_y_weight, 3, "X / Y length weight"); |
| |
| /*---------------------------------------------------------------------- |
| M a c r o s |
| ----------------------------------------------------------------------*/ |
| /********************************************************************** |
| * point_bend_angle |
| * |
| * Measure the angle of bend at this edge point. The argument should |
| * be of type EDGEPT. |
| **********************************************************************/ |
| #define point_bend_angle(point) \ |
| (angle_change ((point)->prev, (point), (point)->next)) |
| |
| /*---------------------------------------------------------------------- |
| F u n c t i o n s |
| ----------------------------------------------------------------------*/ |
| PRIORITY point_priority(EDGEPT *point); |
| |
| void add_point_to_list(POINT_GROUP point_list, EDGEPT *point); |
| |
| int angle_change(EDGEPT *point1, EDGEPT *point2, EDGEPT *point3); |
| |
| int is_little_chunk(EDGEPT *point1, EDGEPT *point2); |
| |
| int is_small_area(EDGEPT *point1, EDGEPT *point2); |
| |
| EDGEPT *pick_close_point(EDGEPT *critical_point, |
| EDGEPT *vertical_point, |
| int *best_dist); |
| |
| void prioritize_points(TESSLINE *outline, POINT_GROUP points); |
| |
| void new_min_point(EDGEPT *local_min, POINT_GROUP points); |
| |
| void new_max_point(EDGEPT *local_max, POINT_GROUP points); |
| |
| void vertical_projection_point(EDGEPT *split_point, EDGEPT *target_point, |
| EDGEPT** best_point); |
| |
| #endif |