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https://github.com/tesseract-ocr/tesseract.git
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87 lines
3.3 KiB
C++
87 lines
3.3 KiB
C++
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/******************************************************************************
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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 "variables.h"
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#include "sigmenu.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(TBLOB *Blob, LINE_STATS *LineStats) {
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/*
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** Parameters:
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** Blob blob to extract features from
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** LineStats statistics about text line Blob is on
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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 ();
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for (Type = 0; Type < NumFeatureSetsIn(CharDesc); Type++)
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if (ExtractorOf(Type) != NULL && ExtractorOf(Type)->Extractor != NULL)
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FeaturesOfType(CharDesc, Type) =
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ExtractUsing(ExtractorOf(Type)) (Blob, LineStats);
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return (CharDesc);
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} /* ExtractFlexFeatures */
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/*---------------------------------------------------------------------------*/
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void
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InitFlexFXVars ()
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/*
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** Parameters: none
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** Globals: none
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** Operation: Add any control variables used by the feature extractors
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** to the variable system. This includes the enable flag for
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** each individual extractor. This routine needs to create
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** a separate name for the enable for each feature extractor
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** and allocate a string to contain that name. This is
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** necessary since the "variables" routines do not create
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** copies of the string names passed to them.
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** Return: none
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** Exceptions: none
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** History: Wed May 23 15:59:23 1990, DSJ, Created.
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*/
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#define NamePrefix "Enable"
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#define NameSuffix "Features"
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{
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int Type;
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SetupExtractors();
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for (Type = 0; Type < NumFeaturesDefined (); Type++) {
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InitFXVarsUsing (ExtractorOf (Type)) ();
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}
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} /* InitFlexFXVars */
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