mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-12-28 11:08:15 +08:00
694d3f2c20
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@291 d0cd1f9f-072b-0410-8dd7-cf729c803f20
62 lines
2.5 KiB
C++
62 lines
2.5 KiB
C++
/******************************************************************************
|
|
** Filename: flexfx.c
|
|
** Purpose: Interface to flexible feature extractor.
|
|
** Author: Dan Johnson
|
|
** History: Wed May 23 13:45:10 1990, DSJ, Created.
|
|
**
|
|
** (c) Copyright Hewlett-Packard Company, 1988.
|
|
** 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.
|
|
******************************************************************************/
|
|
/**----------------------------------------------------------------------------
|
|
Include Files and Type Defines
|
|
----------------------------------------------------------------------------**/
|
|
#include "flexfx.h"
|
|
#include "featdefs.h"
|
|
#include "emalloc.h"
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
/**----------------------------------------------------------------------------
|
|
Public Code
|
|
----------------------------------------------------------------------------**/
|
|
/*---------------------------------------------------------------------------*/
|
|
CHAR_DESC ExtractFlexFeatures(TBLOB *Blob, LINE_STATS *LineStats) {
|
|
/*
|
|
** Parameters:
|
|
** Blob blob to extract features from
|
|
** LineStats statistics about text line Blob is on
|
|
** Globals: none
|
|
** Operation: Allocate a new character descriptor and fill it in by
|
|
** calling all feature extractors which are enabled.
|
|
** Return: Structure containing features extracted from Blob.
|
|
** Exceptions: none
|
|
** History: Wed May 23 13:46:22 1990, DSJ, Created.
|
|
*/
|
|
int Type;
|
|
CHAR_DESC CharDesc;
|
|
|
|
CharDesc = NewCharDescription ();
|
|
|
|
for (Type = 0; Type < CharDesc->NumFeatureSets; Type++)
|
|
if (FeatureDefs.FeatureExtractors[Type] != NULL &&
|
|
FeatureDefs.FeatureExtractors[Type]->Extractor != NULL) {
|
|
CharDesc->FeatureSets[Type] =
|
|
(FeatureDefs.FeatureExtractors[Type])->Extractor(Blob, LineStats);
|
|
if (CharDesc->FeatureSets[Type] == NULL) {
|
|
FreeCharDescription(CharDesc);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
return (CharDesc);
|
|
|
|
} /* ExtractFlexFeatures */
|