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Moved from DPSClient.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@2684 72102866-910b-0410-8b05-ffd578937521
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40
Headers/gnustep/gui/DPSOperators.h
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Headers/gnustep/gui/DPSOperators.h
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/*
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DPSOperators.h
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Display Postscript operators and functions
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Copyright (C) 1996 Free Software Foundation, Inc.
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Author: Scott Christley <scottc@net-community.com>
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Date: September 1995
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This file is part of the GNUstep GUI Library.
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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 Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; see the file COPYING.LIB.
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If not, write to the Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _GNUstep_H_DPSOperators
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#define _GNUstep_H_DPSOperators
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// Use the DPSclient library if we have it
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// #ifdef HAVE_DPS_DPSCLIENT_H
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#include <DPS/dpsclient.h>
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#include <DPS/psops.h>
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// #endif /* HAVE_DPS_DPSCLIENT_H */
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#endif /* _GNUstep_H_DPSOperators */
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218
Headers/gnustep/gui/NSDPSContext.h
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Headers/gnustep/gui/NSDPSContext.h
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/*
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NSDPSContext.h
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Encapsulation of Display Postscript contexts
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Copyright (C) 1996 Free Software Foundation, Inc.
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Author: Scott Christley <scottc@net-community.com>
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Date: 1996
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This file is part of the GNUstep GUI Library.
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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 Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; see the file COPYING.LIB.
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If not, write to the Free Software Foundation, Inc.,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _GNUstep_H_NSDPSContext
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#define _GNUstep_H_NSDPSContext
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#include <DPSClient/TypesandConstants.h>
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#include <DPSClient/DPSOperators.h>
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#include <Foundation/NSObject.h>
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@class NSData;
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@class NSMutableData;
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//
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// Backing Store Types
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//
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typedef enum _NSBackingStoreType {
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NSBackingStoreRetained,
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NSBackingStoreNonretained,
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NSBackingStoreBuffered
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} NSBackingStoreType;
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//
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// Compositing operators
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//
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typedef enum _NSCompositingOperation {
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NSCompositeClear,
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NSCompositeCopy,
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NSCompositeSourceOver,
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NSCompositeSourceIn,
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NSCompositeSourceOut,
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NSCompositeSourceAtop,
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NSCompositeDataOver,
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NSCompositeDataIn,
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NSCompositeDataOut,
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NSCompositeDataAtop,
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NSCompositeXOR,
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NSCompositePlusDarker,
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NSCompositeHighlight,
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NSCompositePlusLighter
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} NSCompositingOperation;
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//
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// Window ordering
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//
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typedef enum _NSWindowOrderingMode {
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NSWindowAbove,
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NSWindowBelow,
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NSWindowOut
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} NSWindowOrderingMode;
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//
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// NSDPSContextNotification
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// Circular dependency between protocol and class
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//
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@class NSDPSContext;
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@protocol NSDPSContextNotification
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//
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// Synchronizing Application and Display Postscript Server Execution
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//
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- (void)contextFinishedExecuting:(NSDPSContext *)context;
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@end
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//
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// NSDPSContext class interface
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//
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@interface NSDPSContext : NSObject
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{
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// Attributes
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NSMutableData *context_data;
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BOOL is_screen_context;
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DPSErrorProc error_proc;
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DPSTextProc text_proc;
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NSDPSContext *chained_parent;
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NSDPSContext *chained_child;
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BOOL is_output_traced;
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BOOL is_synchronized;
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// Reserverd for back-end use
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void *be_context_reserved;
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}
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//
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// Initializing a Context
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//
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- initWithMutableData:(NSMutableData *)data
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forDebugging:(BOOL)debug
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languageEncoding:(DPSProgramEncoding)langEnc
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nameEncoding:(DPSNameEncoding)nameEnc
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textProc:(DPSTextProc)tProc
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errorProc:(DPSErrorProc)errorProc;
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//
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// Testing the Drawing Destination
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//
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- (BOOL)isDrawingToScreen;
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//
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// Accessing Context Data
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//
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- (NSMutableData *)mutableData;
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//
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// Setting and Identifying the Current Context
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//
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+ (NSDPSContext *)currentContext;
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+ (void)setCurrentContext:(NSDPSContext *)context;
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- (NSDPSContext *)DPSContext;
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//
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// Controlling the Context
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//
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- (void)flush;
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- (void)interruptExecution;
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- (void)notifyObjectWhenFinishedExecuting:(id <NSDPSContextNotification>)obj;
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- (void)resetCommunication;
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- (void)wait;
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//
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// Managing Returned Text and Errors
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//
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+ (NSString *)stringForDPSError:(const DPSBinObjSeqRec *)error;
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- (DPSErrorProc)errorProc;
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- (void)setErrorProc:(DPSErrorProc)proc;
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- (void)setTextProc:(DPSTextProc)proc;
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- (DPSTextProc)textProc;
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//
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// Sending Raw Data
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//
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- (void)printFormat:(NSString *)format,...;
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- (void)printFormat:(NSString *)format arguments:(va_list)argList;
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- (void)writeData:(NSData *)buf;
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- (void)writePostScriptWithLanguageEncodingConversion:(NSData *)buf;
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//
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// Managing Binary Object Sequences
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//
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- (void)awaitReturnValues;
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- (void)writeBOSArray:(const void *)data
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count:(unsigned int)items
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ofType:(DPSDefinedType)type;
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- (void)writeBOSNumString:(const void *)data
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length:(unsigned int)count
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ofType:(DPSDefinedType)type
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scale:(int)scale;
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- (void)writeBOSString:(const void *)data
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length:(unsigned int)bytes;
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- (void)writeBinaryObjectSequence:(const void *)data
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length:(unsigned int)bytes;
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- (void)updateNameMap;
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//
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// Managing Chained Contexts
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//
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- (void)chainChildContext:(NSDPSContext *)child;
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- (NSDPSContext *)childContext;
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- (NSDPSContext *)parentContext;
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- (void)unchainContext;
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//
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// Debugging Aids
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//
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+ (BOOL)areAllContextsOutputTraced;
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+ (BOOL)areAllContextsSynchronized;
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+ (void)setAllContextsOutputTraced:(BOOL)flag;
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+ (void)setAllContextsSynchronized:(BOOL)flag;
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- (BOOL)isOutputTraced;
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- (BOOL)isSynchronized;
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- (void)setOutputTraced:(BOOL)flag;
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- (void)setSynchronized:(BOOL)flag;
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@end
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extern NSString *DPSPostscriptErrorException;
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extern NSString *DPSNameTooLongException;
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extern NSString *DPSResultTagCheckException;
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extern NSString *DPSResultTypeCheckException;
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extern NSString *DPSInvalidContextException;
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extern NSString *DPSSelectException;
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extern NSString *DPSConnectionClosedException;
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extern NSString *DPSReadException;
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extern NSString *DPSWriteException;
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extern NSString *DPSInvalidFDException;
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extern NSString *DPSInvalidTEException;
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extern NSString *DPSInvalidPortException;
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extern NSString *DPSOutOfMemoryException;
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extern NSString *DPSCantConnectException;
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#endif /* _GNUstep_H_NSDPSContext */
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