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172 lines
3.6 KiB
Objective-C
172 lines
3.6 KiB
Objective-C
/** <title>NSEPSImageRep</title>
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<abstract>EPS image representation.</abstract>
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Copyright (C) 1996 Free Software Foundation, Inc.
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Author: Adam Fedor <fedor@colorado.edu>
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Date: Feb 1996
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This file is part of the GNUstep Application Kit 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 Lesser 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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Lesser General Public License for more details.
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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; see the file COPYING.LIB.
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If not, see <http://www.gnu.org/licenses/> or write to the
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Free Software Foundation, 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#import "config.h"
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#import <Foundation/NSArray.h>
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#import <Foundation/NSCoder.h>
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#import <Foundation/NSData.h>
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#import "AppKit/NSPasteboard.h"
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#import "AppKit/NSEPSImageRep.h"
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#import "GNUstepGUI/GSImageMagickImageRep.h"
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@implementation NSEPSImageRep
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+ (BOOL) canInitWithData: (NSData *)data
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{
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NSData *header = [data subdataWithRange: NSMakeRange(0,4)];
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NSString *str = [[NSString alloc] initWithData: header encoding: NSUTF8StringEncoding];
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BOOL result = [str isEqualToString: @"%!PS"];
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AUTORELEASE(str);
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return result;
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}
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+ (NSArray *) imageUnfilteredFileTypes
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{
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static NSArray *types = nil;
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if (types == nil)
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{
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types = [[NSArray alloc] initWithObjects: @"eps", nil];
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}
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return types;
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}
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+ (NSArray *) imageUnfilteredPasteboardTypes
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{
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static NSArray *types = nil;
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if (types == nil)
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{
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types = [[NSArray alloc] initWithObjects: NSPostScriptPboardType, nil];
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}
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return types;
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}
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// Initializing a New Instance
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+ (id) imageRepWithData: (NSData *)epsData
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{
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return AUTORELEASE([[self alloc] initWithData: epsData]);
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}
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- (id) initWithData: (NSData *)epsData
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{
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self = [super init];
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if (self != nil)
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{
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#if HAVE_IMAGEMAGICK
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ASSIGN(_pageRep, [GSImageMagickImageRep imageRepWithData: epsData]);
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_size = [_pageRep size];
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#else
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_pageRep = nil;
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_size = NSMakeSize(0,0);
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#endif
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ASSIGNCOPY(_epsData, epsData);
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}
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return self;
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}
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- (void) dealloc
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{
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RELEASE(_epsData);
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RELEASE(_pageRep);
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[super dealloc];
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}
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// Getting Image Data
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- (NSRect) boundingBox
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{
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NSSize size = [self size];
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NSRect rect = NSMakeRect(0, 0, size.width, size.height);
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return rect;
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}
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- (NSData *) EPSRepresentation
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{
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return _epsData;
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}
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- (void) prepareGState
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{
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// This is for subclasses only
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}
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// Override to draw the specified page...
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- (BOOL) draw
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{
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[self prepareGState];
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return [_pageRep draw];
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}
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// NSCopying protocol
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- (id) copyWithZone: (NSZone *)zone
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{
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NSEPSImageRep *copy = [super copyWithZone: zone];
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copy->_epsData = [_epsData copyWithZone: zone];
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return copy;
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}
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// NSCoding protocol
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- (void) encodeWithCoder: (NSCoder*)aCoder
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{
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NSData *data = [self EPSRepresentation];
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[super encodeWithCoder: aCoder];
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if ([aCoder allowsKeyedCoding])
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{
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// FIXME
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}
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else
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{
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[data encodeWithCoder: aCoder];
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}
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}
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- (id) initWithCoder: (NSCoder*)aDecoder
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{
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NSData *data = nil;
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self = [super initWithCoder: aDecoder];
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if ([aDecoder allowsKeyedCoding])
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{
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// FIXME
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}
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else
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{
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data = [aDecoder decodeObject];
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}
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return [self initWithData: data];
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}
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@end
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