mirror of
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148 lines
3.7 KiB
Objective-C
148 lines
3.7 KiB
Objective-C
/*
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* PDFStream.h
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*
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* Copyright (c) 2017-present, MacPaw Inc. All rights reserved.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#import <Foundation/Foundation.h>
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#import "NSDictionaryNumberExtension.h"
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#import "../CSHandle.h"
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#import "../CSByteStreamHandle.h"
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#define PDFUnsupportedImageType 0
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#define PDFIndexedImageType 1
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#define PDFGrayImageType 2
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#define PDFRGBImageType 3
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#define PDFCMYKImageType 4
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#define PDFLabImageType 5
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#define PDFSeparationImageType 6
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#define PDFMaskImageType 7
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@class PDFParser,PDFObjectReference;
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@interface PDFStream:NSObject
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{
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NSDictionary *dict;
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CSHandle *fh;
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off_t offs;
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PDFObjectReference *ref;
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PDFParser *parser;
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}
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-(id)initWithDictionary:(NSDictionary *)dictionary fileHandle:(CSHandle *)filehandle
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offset:(off_t)offset reference:(PDFObjectReference *)reference parser:(PDFParser *)owner;
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-(void)dealloc;
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-(NSDictionary *)dictionary;
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-(PDFObjectReference *)reference;
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-(BOOL)isImage;
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-(BOOL)isJPEGImage;
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-(BOOL)isJPEG2000Image;
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-(int)imageWidth;
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-(int)imageHeight;
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-(int)imageBitsPerComponent;
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-(int)imageType;
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-(int)numberOfImageComponents;
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-(NSString *)imageColourSpaceName;
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-(int)imagePaletteType;
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-(int)numberOfImagePaletteComponents;
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-(NSString *)imagePaletteColourSpaceName;
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-(int)numberOfImagePaletteColours;
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-(NSData *)imagePaletteData;
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-(id)_paletteColourSpaceObject;
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-(int)_typeForColourSpaceObject:(id)colourspace;
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-(int)_numberOfComponentsForColourSpaceObject:(id)colourspace;
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-(NSString *)_nameForColourSpaceObject:(id)colourspace;
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-(NSData *)imageICCColourProfile;
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-(NSData *)_ICCColourProfileForColourSpaceObject:(id)colourspace;
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-(NSString *)imageSeparationName;
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-(NSArray *)imageDecodeArray;
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-(BOOL)hasMultipleFilters;
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-(NSString *)finalFilter;
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-(CSHandle *)rawHandle;
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-(CSHandle *)handle;
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-(CSHandle *)JPEGHandle;
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-(CSHandle *)handleExcludingLast:(BOOL)excludelast;
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-(CSHandle *)handleExcludingLast:(BOOL)excludelast decrypted:(BOOL)decrypted;
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-(CSHandle *)handleForFilterName:(NSString *)filtername decodeParms:(NSDictionary *)decodeparms parentHandle:(CSHandle *)parent;
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-(CSHandle *)predictorHandleForDecodeParms:(NSDictionary *)decodeparms parentHandle:(CSHandle *)parent;
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-(NSString *)description;
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@end
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@interface PDFASCII85Handle:CSByteStreamHandle
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{
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uint32_t val;
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BOOL finalbytes;
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}
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-(id)initWithHandle:(CSHandle *)handle;
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-(void)resetByteStream;
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-(uint8_t)produceByteAtOffset:(off_t)pos;
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@end
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@interface PDFHexHandle:CSByteStreamHandle
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{
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}
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-(uint8_t)produceByteAtOffset:(off_t)pos;
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@end
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@interface PDFTIFFPredictorHandle:CSByteStreamHandle
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{
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int cols,comps,bpc;
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int prev[4];
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}
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-(id)initWithHandle:(CSHandle *)handle columns:(int)columns
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components:(int)components bitsPerComponent:(int)bitspercomp;
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-(uint8_t)produceByteAtOffset:(off_t)pos;
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@end
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@interface PDFPNGPredictorHandle:CSByteStreamHandle
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{
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int cols,comps,bpc;
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uint8_t *prevbuf;
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int type;
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}
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-(id)initWithHandle:(CSHandle *)handle columns:(int)columns
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components:(int)components bitsPerComponent:(int)bitspercomp;
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-(void)resetByteStream;
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-(uint8_t)produceByteAtOffset:(off_t)pos;
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@end
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