twain3.0/3rdparty/hgOCR/include/ccstruct/genblob.cpp

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/**********************************************************************
* File: genblob.cpp (Formerly gblob.c)
* Description: Generic Blob processing routines
* Author: Phil Cheatle
* Created: Mon Nov 25 10:53:26 GMT 1991
*
* (C) Copyright 1991, Hewlett-Packard Ltd.
** 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 "genblob.h"
#include "stepblob.h"
/**********************************************************************
* c_blob_comparator()
*
* Blob comparator used to sort a blob list so that blobs are in increasing
* order of left edge.
**********************************************************************/
int c_blob_comparator( // sort blobs
const void *blob1p, // ptr to ptr to blob1
const void *blob2p // ptr to ptr to blob2
) {
C_BLOB *blob1 = *(C_BLOB **) blob1p;
C_BLOB *blob2 = *(C_BLOB **) blob2p;
return blob1->bounding_box ().left () - blob2->bounding_box ().left ();
}