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92 lines
3.6 KiB
C
92 lines
3.6 KiB
C
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/* -*-C-*-
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********************************************************************************
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*
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* File: gradechop.h (Formerly gradechop.h)
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* Description:
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* Author: Mark Seaman, SW Productivity
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* Created: Fri Oct 16 14:37:00 1987
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* Modified: Tue Jul 9 16:40:39 1991 (Mark Seaman) marks@hpgrlt
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* Language: C
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* Package: N/A
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* Status: Reusable Software Component
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*
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* (c) Copyright 1987, Hewlett-Packard Company.
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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** http://www.apache.org/licenses/LICENSE-2.0
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*
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*********************************************************************************/
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#ifndef GRADECHOP_H
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#define GRADECHOP_H
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/*----------------------------------------------------------------------
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I n c l u d e s
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----------------------------------------------------------------------*/
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#include "seam.h"
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/*----------------------------------------------------------------------
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T y p e s
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----------------------------------------------------------------------*/
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typedef INT16 BOUNDS_RECT[4];
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/*----------------------------------------------------------------------
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V a r i a b l e s
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---------------------------------------------------------------------*/
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extern int x_y_weight;
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/*----------------------------------------------------------------------
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M a c r o s
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----------------------------------------------------------------------*/
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/**********************************************************************
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* partial_split_priority
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*
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* Assign a priority to this split based on the features that it has.
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* Grade it according to the different rating schemes and return the
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* value of its goodness.
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**********************************************************************/
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#define partial_split_priority(split) \
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(grade_split_length (split) + \
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grade_sharpness (split)) \
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/**********************************************************************
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* split_bounds_overlap
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*
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* Check to see if this split might overlap with this outline. Return
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* TRUE if there is a positive overlap in the bounding boxes of the two.
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**********************************************************************/
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#define split_bounds_overlap(split,outline) \
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(outline->topleft.x <= max (split->point1->pos.x,split->point2->pos.x) && \
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outline->botright.x >= min (split->point1->pos.x,split->point2->pos.x) && \
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outline->botright.y <= max (split->point1->pos.y,split->point2->pos.y) && \
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outline->topleft.y >= min (split->point1->pos.y,split->point2->pos.y))
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/*----------------------------------------------------------------------
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F u n c t i o n s
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----------------------------------------------------------------------*/
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PRIORITY full_split_priority(SPLIT *split, INT16 xmin, INT16 xmax);
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PRIORITY grade_center_of_blob(register BOUNDS_RECT rect);
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PRIORITY grade_overlap(register BOUNDS_RECT rect);
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PRIORITY grade_split_length(register SPLIT *split);
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PRIORITY grade_sharpness(register SPLIT *split);
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PRIORITY grade_width_change(register BOUNDS_RECT rect);
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void set_outline_bounds(register EDGEPT *point1,
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register EDGEPT *point2,
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BOUNDS_RECT rect);
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#endif
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