libs-gui/Source/GSEPSPrintOperation.m
Fred Kiefer 99e273a57d few compiler warning fixes plus a lot of #import replacement.
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@30448 72102866-910b-0410-8b05-ffd578937521
2010-05-24 10:48:14 +00:00

152 lines
4 KiB
Objective-C

/*
GSEPSPrintOperation.m
Controls operations generating EPS output files.
Copyright (C) 1996, 2004 Free Software Foundation, Inc.
Author: Scott Christley <scottc@net-community.com>
Date: 1996
Author: Fred Kiefer <FredKiefer@gmx.de>
Date: November 2000
Started implementation.
Author: Chad Hardin <cehardin@mac.com>
Date: June 2004
Modified for printing backend support, split off from NSPrintOperation.m
This file is part of the GNUstep GUI Library.
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 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; see the file COPYING.LIB.
If not, see <http://www.gnu.org/licenses/> or write to the
Free Software Foundation, 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#import <Foundation/NSDebug.h>
#import <Foundation/NSData.h>
#import <Foundation/NSPathUtilities.h>
#import <Foundation/NSTask.h>
#import <Foundation/NSValue.h>
#import <Foundation/NSProcessInfo.h>
#import "AppKit/NSView.h"
#import "AppKit/NSPrintInfo.h"
#import "AppKit/NSPrintOperation.h"
#import "GNUstepGUI/GSEPSPrintOperation.h"
/**
<unit>
<heading>Class Description</heading>
<p>
GSEPSPrintOperation is a subclass of NSPrintOperation
that can create eps files suitable for saving, previewing, etc.
</p>
</unit>
*/
@implementation GSEPSPrintOperation
- (id)initWithView:(NSView *)aView
insideRect:(NSRect)rect
toData:(NSMutableData *)data
printInfo:(NSPrintInfo *)aPrintInfo
{
self = [super initWithView: aView
insideRect: rect
toData: data
printInfo: aPrintInfo];
_path = [NSTemporaryDirectory() stringByAppendingPathComponent: @"GSPrint-"];
_path = [_path stringByAppendingString:
[[NSProcessInfo processInfo] globallyUniqueString]];
_path = [_path stringByAppendingPathExtension: @"ps"];
RETAIN(_path);
return self;
}
- (id) initWithView:(NSView *)aView
insideRect:(NSRect)rect
toPath:(NSString *)path
printInfo:(NSPrintInfo *)aPrintInfo
{
NSMutableData *data = [NSMutableData data];
self = [super initWithView: aView
insideRect: rect
toData: data
printInfo: aPrintInfo];
ASSIGN(_path, path);
return self;
}
- (void) _print
{
/* Save this for the view to look at. Seems like there should
be a better way to pass it to beginDocument */
[[[self printInfo] dictionary] setObject: [NSValue valueWithRect: _rect]
forKey: @"NSPrintSheetBounds"];
[_view beginDocument];
[_view beginPageInRect: _rect
atPlacement: NSMakePoint(0,0)];
[_view displayRectIgnoringOpacity: _rect inContext: [self context]];
[_view endPage];
[_view endDocument];
}
- (BOOL)isEPSOperation
{
return YES;
}
- (BOOL)deliverResult
{
if (_data != nil && _path != nil)
{
NSString *eps;
eps = [NSString stringWithContentsOfFile: _path];
[_data setData: [eps dataUsingEncoding: NSASCIIStringEncoding]];
}
return YES;
}
- (NSGraphicsContext*)createContext
{
NSMutableDictionary *info;
if (_context)
return _context;
info = [[self printInfo] dictionary];
[info setObject: _path
forKey: @"NSOutputFile"];
[info setObject: NSGraphicsContextPSFormat
forKey: NSGraphicsContextRepresentationFormatAttributeName];
_context = RETAIN([NSGraphicsContext graphicsContextWithAttributes: info]);
return _context;
}
@end