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https://github.com/tesseract-ocr/tesseract.git
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4523ce9f7d
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@526 d0cd1f9f-072b-0410-8dd7-cf729c803f20
63 lines
2.6 KiB
C++
63 lines
2.6 KiB
C++
/******************************************************************************
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** Filename: flexfx.c
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** Purpose: Interface to flexible feature extractor.
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** Author: Dan Johnson
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** History: Wed May 23 13:45:10 1990, DSJ, Created.
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**
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** (c) Copyright Hewlett-Packard Company, 1988.
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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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Include Files and Type Defines
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----------------------------------------------------------------------------**/
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#include "flexfx.h"
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#include "featdefs.h"
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#include "emalloc.h"
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#include <string.h>
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#include <stdio.h>
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/**----------------------------------------------------------------------------
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Public Code
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----------------------------------------------------------------------------**/
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/*---------------------------------------------------------------------------*/
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CHAR_DESC ExtractFlexFeatures(const FEATURE_DEFS_STRUCT &FeatureDefs,
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TBLOB *Blob, const DENORM& denorm) {
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/*
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** Parameters:
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** Blob blob to extract features from
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** denorm control parameter for feature extractor
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** Globals: none
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** Operation: Allocate a new character descriptor and fill it in by
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** calling all feature extractors which are enabled.
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** Return: Structure containing features extracted from Blob.
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** Exceptions: none
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** History: Wed May 23 13:46:22 1990, DSJ, Created.
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*/
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int Type;
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CHAR_DESC CharDesc;
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CharDesc = NewCharDescription(FeatureDefs);
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for (Type = 0; Type < CharDesc->NumFeatureSets; Type++)
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if (FeatureDefs.FeatureExtractors[Type] != NULL &&
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FeatureDefs.FeatureExtractors[Type]->Extractor != NULL) {
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CharDesc->FeatureSets[Type] =
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(FeatureDefs.FeatureExtractors[Type])->Extractor(Blob, denorm);
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if (CharDesc->FeatureSets[Type] == NULL) {
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FreeCharDescription(CharDesc);
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return NULL;
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}
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}
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return (CharDesc);
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} /* ExtractFlexFeatures */
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