mirror of
https://github.com/tesseract-ocr/tesseract.git
synced 2024-11-30 23:49:05 +08:00
3a5f699013
git-svn-id: https://tesseract-ocr.googlecode.com/svn/trunk@1064 d0cd1f9f-072b-0410-8dd7-cf729c803f20
72 lines
2.7 KiB
C++
72 lines
2.7 KiB
C++
/**********************************************************************
|
|
* File: blread.cpp (Formerly pdread.c)
|
|
* Description: Friend function of BLOCK to read the uscan pd file.
|
|
* Author: Ray Smith
|
|
* Created: Mon Mar 18 14:39:00 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 <stdlib.h>
|
|
#ifdef __UNIX__
|
|
#include <assert.h>
|
|
#endif
|
|
#include "scanutils.h"
|
|
#include "fileerr.h"
|
|
#include "blread.h"
|
|
|
|
#define UNLV_EXT ".uzn" // unlv zone file
|
|
|
|
/**********************************************************************
|
|
* read_unlv_file
|
|
*
|
|
* Read a whole unlv zone file to make a list of blocks.
|
|
**********************************************************************/
|
|
|
|
bool read_unlv_file( //print list of sides
|
|
STRING name, //basename of file
|
|
inT32 xsize, //image size
|
|
inT32 ysize, //image size
|
|
BLOCK_LIST *blocks //output list
|
|
) {
|
|
FILE *pdfp; //file pointer
|
|
BLOCK *block; //current block
|
|
int x; //current top-down coords
|
|
int y;
|
|
int width; //of current block
|
|
int height;
|
|
BLOCK_IT block_it = blocks; //block iterator
|
|
|
|
name += UNLV_EXT; //add extension
|
|
if ((pdfp = fopen (name.string (), "rb")) == NULL) {
|
|
return false; //didn't read one
|
|
} else {
|
|
while (tfscanf(pdfp, "%d %d %d %d %*s", &x, &y, &width, &height) >= 4) {
|
|
//make rect block
|
|
block = new BLOCK (name.string (), TRUE, 0, 0,
|
|
(inT16) x, (inT16) (ysize - y - height),
|
|
(inT16) (x + width), (inT16) (ysize - y));
|
|
//on end of list
|
|
block_it.add_to_end (block);
|
|
}
|
|
fclose(pdfp);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void FullPageBlock(int width, int height, BLOCK_LIST *blocks) {
|
|
BLOCK_IT block_it(blocks);
|
|
BLOCK* block = new BLOCK("", TRUE, 0, 0, 0, 0, width, height);
|
|
block_it.add_to_end(block);
|
|
}
|