XADMaster/PDF/CCITTHandle.h
2018-03-21 14:24:50 +02:00

71 lines
1.8 KiB
Objective-C

/*
* CCITTHandle.h
*
* Copyright (c) 2017-present, MacPaw Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#import "../CSByteStreamHandle.h"
#import "../XADPrefixCode.h"
extern NSString *CCITTCodeException;
@interface CCITTFaxHandle:CSByteStreamHandle
{
int columns,white;
int column,colour,bitsleft;
}
-(id)initWithInputBufferForHandle:(CSHandle *)handle columns:(int)cols white:(int)whitevalue;
-(void)resetByteStream;
-(uint8_t)produceByteAtOffset:(off_t)pos;
-(void)startNewLine;
-(void)findNextSpanLength;
@end
@interface CCITTFaxT41DHandle:CCITTFaxHandle
{
XADPrefixCode *whitecode,*blackcode;
}
-(id)initWithHandle:(CSHandle *)handle columns:(int)cols white:(int)whitevalue;
-(void)dealloc;
-(void)startNewLine;
-(void)findNextSpanLength;
@end
@interface CCITTFaxT6Handle:CCITTFaxHandle
{
int *prevchanges,numprevchanges;
int *currchanges,numcurrchanges;
int prevpos,previndex,currpos,currcol,nexthoriz;
XADPrefixCode *maincode,*whitecode,*blackcode;
}
-(id)initWithHandle:(CSHandle *)handle columns:(int)columns white:(int)whitevalue;
-(void)dealloc;
-(void)resetByteStream;
-(void)startNewLine;
-(void)findNextSpanLength;
@end