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* NSAttributedString.m and NSAttributedString.h remove.

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* NSStringDrawing.m and NSStringDrawing.h add NSAttributedString interface
	and implementation.  Implement NSAttributedString's size method and
	optimize tab width calculation.


git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/gui/trunk@3352 72102866-910b-0410-8b05-ffd578937521
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far 1998-11-30 09:40:01 +00:00
parent 2bec406f7f
commit b77483cabe
13 changed files with 87 additions and 187 deletions
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64
Source/NSAttributedString.m
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@ -1,64 +0,0 @@
/*
NSAttributedString.m
Category which adds measure capabilities to NSString.
Copyright (C) 1997 Free Software Foundation, Inc.
Author: Felipe A. Rodriguez <far@ix.netcom.com>
Date: Aug 1998
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 Library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; see the file COPYING.LIB.
If not, write to the Free Software Foundation,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <AppKit/NSAttributedString.h>
#include <AppKit/AppKit.h>
// by default tabs are measured as one
#define TABWIDTH 3 // char so this value is set to one
// minus the default tab width of 4
@implementation NSString(NSAttributedString)
- (NSSize)sizeWithAttributes:(NSDictionary *)attrs
{
NSFont *font;
const char *str = [self cString];
int i = 0, j = TABWIDTH;
float tabSize;
while(*str != '\0') // calc the additional size
{ // to be added for tabs.
if(*str++ == '\t')
{ // j is initialized to the
i += j; // max number of spaces
j = TABWIDTH; // needed per tab. it then
} // varies in order to align
else // tabs to even multiples
j = j-- > 0 ? j : TABWIDTH; // of TABWIDTH + 1.
};
// if font is not
if(!(font = [attrs objectForKey:NSFontAttributeName])) // specified, use
font = [NSFont userFontOfSize:12]; // the default
tabSize = (float)i * [font widthOfString:@"\t"];
return NSMakeSize(([font widthOfString:self] + tabSize), [font pointSize]);
}
@end