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https://github.com/cappuccino/cappuccino.git
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Francisco Ryan Tolmasky I
52f7844aee
Also changed a bunch of <AppKit/*> imports to "*" imports. Reviewed by me.
73 lines
1.9 KiB
Plaintext
73 lines
1.9 KiB
Plaintext
/*
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* CPStringDrawing.j
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* AppKit
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*
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* Created by Francisco Tolmasky.
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* Copyright 2008, 280 North, Inc.
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*
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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 2.1 of the License, or (at your option) any later version.
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*
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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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*
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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; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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@import <Foundation/CPString.j>
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@import "CPPlatformString.j"
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var CPStringSizeWithFontInWidthCache = {};
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CPStringSizeCachingEnabled = YES;
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@implementation CPString (CPStringDrawing)
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/*!
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Returns a dictionary with the items "ascender", "descender", "lineHeight"
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*/
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+ (CPDictionary)metricsOfFont:(CPFont)aFont
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{
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return [CPPlatformString metricsOfFont:aFont];
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}
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/*!
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Returns the string
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*/
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- (CPString)cssString
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{
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return self;
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}
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- (CGSize)sizeWithFont:(CPFont)aFont
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{
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return [self sizeWithFont:aFont inWidth:NULL];
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}
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- (CGSize)sizeWithFont:(CPFont)aFont inWidth:(float)aWidth
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{
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if (!CPStringSizeCachingEnabled)
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return [CPPlatformString sizeOfString:self withFont:aFont forWidth:aWidth];
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var cacheKey = self + [aFont cssString] + aWidth,
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size = CPStringSizeWithFontInWidthCache[cacheKey];
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if (size === undefined)
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{
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size = [CPPlatformString sizeOfString:self withFont:aFont forWidth:aWidth];
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CPStringSizeWithFontInWidthCache[cacheKey] = size;
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}
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return CGSizeMakeCopy(size);
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}
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@end
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