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87 lines
2.4 KiB
Mathematica
87 lines
2.4 KiB
Mathematica
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/*
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NSTypesetter.m
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The text layout class
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Copyright (C) 2000 Free Software Foundation, Inc.
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Author: Jonathan Gapen <jagapen@home.com>
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Date: May 2000
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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 <AppKit/NSLayoutManager.h>
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#include <AppKit/NSTypesetter.h>
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#include <Foundation/NSLock.h>
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@implementation NSTypesetter
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static NSTypesetter *_gs_system_typesetter = nil;
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static NSLock *_gs_typesetter_lock;
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+ (void) initialize
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{
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if (self == [NSTypesetter class])
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{
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[self setVersion: 1];
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_gs_typesetter_lock = [NSLock new];
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}
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}
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+ (id) sharedSystemTypesetter
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{
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if (_gs_system_typesetter == nil)
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{
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[_gs_typesetter_lock lock];
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if (_gs_system_typesetter == nil)
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_gs_system_typesetter = [NSSimpleHorizontalTypesetter sharedInstance];
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[_gs_typesetter_lock unlock];
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}
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return _gs_system_typesetter;
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}
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+ (NSSize) printingAdjustmentsInLayoutManager: (NSLayoutManager *)layoutManager
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forNominallySpacedGlyphRange: (NSRange)glyphRange
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packedGlyphs: (const unsigned char *)glyphs
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count: (unsigned)packedGlyphCount
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{
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return NSMakeSize(0, 0);
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}
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- (float) baselineOffsetInLayoutManager: (NSLayoutManager *)layoutManager
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glyphIndex: (unsigned)glyphIndex
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{
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return 0.0;
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}
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- (void) layoutGlyphsInLayoutManager: (NSLayoutManager *)layoutManager
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startingAtGlyphIndex: (unsigned)glyphIndex
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maxNumberOfLineFragments: (unsigned)maxFragments
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nextGlyphIndex: (unsigned *)nextGlyph
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{
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if (nextGlyph != NULL)
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*nextGlyph = glyphIndex;
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}
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@end
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