mirror of http://192.168.1.51:8099/lmh188/twain3.0
45 lines
1.8 KiB
C
45 lines
1.8 KiB
C
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/**********************************************************************
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* File: polyaprx.h (Formerly polygon.h)
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* Description: Code for polygonal approximation from old edgeprog.
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* Author: Ray Smith
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* Created: Thu Nov 25 11:42:04 GMT 1993
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*
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* (C) Copyright 1993, Hewlett-Packard Ltd.
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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 POLYAPRX_H
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#define POLYAPRX_H
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#include "blobs.h"
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#include "coutln.h"
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// convert a chain-coded input to the old OUTLINE approximation
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TESSLINE* ApproximateOutline(bool allow_detailed_fx, C_OUTLINE *c_outline);
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EDGEPT *edgesteps_to_edgepts ( //convert outline
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C_OUTLINE * c_outline, //input
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EDGEPT edgepts[] //output is array
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);
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void fix2( //polygonal approx
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EDGEPT *start, /*loop to approimate */
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int area);
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EDGEPT *poly2( //second poly
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EDGEPT *startpt, /*start of loop */
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int area /*area of blob box */
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);
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void cutline( //recursive refine
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EDGEPT *first, /*ends of line */
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EDGEPT *last,
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int area /*area of object */
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);
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#endif
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