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Removed GSContext stuff, and removed xgps code that has now been merged into
NSGraphicsContext and related fines in the gui library. git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@3806 72102866-910b-0410-8b05-ffd578937521
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richard
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2 changed files with 0 additions and 281 deletions
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/*
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GSContext.h
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Abstract superclass for all types of Contexts (drawing destinations).
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Copyright (C) 1996 Free Software Foundation, Inc.
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Author: Adam Fedor <fedor@gnu.org>
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Date: Nov 1998
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Author: Felipe A. Rodriguez <far@ix.netcom.com>
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Date: Nov 1998
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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,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef _GSContext_h_INCLUDE
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#define _GSContext_h_INCLUDE
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#include <Foundation/NSObject.h>
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#include <stdarg.h>
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@class NSMutableData;
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@class NSDictionary;
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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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@interface GSContext : NSObject
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{
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NSDictionary *context_info;
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NSMutableData *context_data;
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@public
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void *be_reserved;
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}
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//
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// Setting and Identifying the concrete class
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//
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+ (void) setConcreteClass: (Class)c;
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+ (Class) concreteClass;
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//
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// Setting and Identifying the Current Context
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//
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+ (GSContext *)currentContext;
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+ (void)setCurrentContext:(GSContext *)context;
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+ contextWithInfo: (NSDictionary *)info;
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- initWithContextInfo: (NSDictionary *)info;
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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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// Destroy the Context
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//
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+ (void) destroyContext:(GSContext *) context;
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+ (void) _destroyContext:(GSContext *) context; // private use only
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- (void) destroy;
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- (void) wait;
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@end
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#endif /* _GSContext_h_INCLUDE */
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/*
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GSContext.m
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Abstract superclass for all types of Contexts (drawing destinations).
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Copyright (C) 1996 Free Software Foundation, Inc.
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Author: Adam Fedor <fedor@gnu.org>
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Date: Nov 1998
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Author: Felipe A. Rodriguez <far@ix.netcom.com>
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Date: Nov 1998
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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,
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59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include <gnustep/gui/config.h>
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#include <Foundation/NSString.h>
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#include <Foundation/NSArray.h>
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#include <Foundation/NSDictionary.h>
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#include <Foundation/NSException.h>
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#include <Foundation/NSData.h>
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#include "AppKit/GSContext.h"
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NSZone *_globalGSZone = NULL; // The memory zone where all
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// global objects are allocated
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// from (Contexts are also
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// allocated from this zone)
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//
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// Class variables
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//
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static Class _concreteClass; // actual class of GSContext
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static NSMutableArray *contextList; // list of drawing destinations
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@implementation GSContext
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//
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// Class methods
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//
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+ (void)initialize
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{
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if (self == (_concreteClass = [GSContext class]))
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{
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contextList = [[NSMutableArray arrayWithCapacity:2] retain];
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NSDebugLog(@"Initialize GSContext class\n");
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[self setVersion:1]; // Initial version
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}
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}
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+ (void) setConcreteClass: (Class)c { _concreteClass = c; }
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+ (Class) concreteClass { return _concreteClass; }
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+ allocWithZone: (NSZone*)z
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{
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return NSAllocateObject(_concreteClass, 0, z);
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}
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+ contextWithInfo: (NSDictionary *)info;
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{
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GSContext *context;
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NSAssert(_concreteClass, @"Error: No concrete GSContext is set\n");
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context = [[_concreteClass allocWithZone: _globalGSZone]
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initWithContextInfo: info];
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[context autorelease];
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return context;
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}
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+ (GSContext *) currentContext { return nil;} // backend
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+ (void) setCurrentContext: (GSContext *)context
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{
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[self subclassResponsibility:_cmd]; // backend
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}
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+ (void) destroyContext:(GSContext *) context
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{ // if concrete class is not
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if(_concreteClass != [GSContext class]) // a GSContext invoke it's
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[_concreteClass destroyContext: context]; // version of method first
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else
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[self _destroyContext: context];
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}
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// private method which
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+ (void) _destroyContext:(GSContext *) context // removes context from the
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{ // list so that it gets
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int top; // deallocated with the
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// next autorelease pool
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[contextList removeObject: context];
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// if not last context set
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if((top = [contextList count]) > 0) // next in list as current
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[_concreteClass setCurrentContext:[contextList objectAtIndex:top - 1]];
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}
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//
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// Instance methods
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//
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- init
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{
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return [self initWithContextInfo: nil];
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}
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- initWithContextInfo: (NSDictionary *)info
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{ // designated initializer
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[super init]; // for GSContext class
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[contextList addObject: self];
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[_concreteClass setCurrentContext: self];
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if(info)
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context_info = [info retain];
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return self;
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}
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- (BOOL)isDrawingToScreen { return NO; }
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- (NSMutableData *)mutableData { return context_data; }
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- (void) destroy // remove self from context
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{ // list so that self gets
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[_concreteClass destroyContext: self]; // deallocated with the
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} // next autorelease pool
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- (void) dealloc
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{
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DESTROY(context_data);
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[super dealloc];
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}
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- (void) wait
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{
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}
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@end
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