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73 lines
2.7 KiB
Plaintext
73 lines
2.7 KiB
Plaintext
/*
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* CPString+Additions.j
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* AppKit
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*
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* Created by Randy Luecke
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* Copyright 2011, RCLConcepts, LLC.
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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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/*
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AppKit adds two methods to the CPString class to support drawing string directly in an CPView.
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AppKit also adds similar methods to CPAttributedString.
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The two drawing methods draw a string object with a single set of attributes that apply to the entire string.
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To draw a string with multiple attributes, such as multiple text fonts, you must use an attributed string.
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*/
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@implementation CPString (AppKitAdditions)
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/*!
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Draws a string in the current graphics context.
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This method applies the attributes to the entier string
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and displays it on a single "infinately long" line.
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@param aPoint - The starting point to draw the string
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@param attributes - the dictionary of attributes to apply to the string
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*/
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- (void)drawAtPoint:(CGPoint)aPoint withAttributes:(CPDictionary)attributes
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{
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var context = [[CPGraphicsContext currentContext] graphicsPort],
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run = _CTRunCreate([self copy], attributes);
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CGContextSetTextPosition(context, aPoint.x, aPoint.y);
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CTRunDraw(run, context, nil);
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}
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/*!
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Draws a string in the current graphics context.
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This method applies the attributes to the entier string
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and displays it within the given rect.
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@param aRect - The rect for which the string should be drawn into
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@param attributes - the dictionary of attributes to apply to the string
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*/
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- (void)drawInRect:(CGRect)aRect withAttributes:(CPDictionary)attributes
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{
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var context = [[CPGraphicsContext currentContext] graphicsPort],
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string = [[CPAttributedString alloc] initWithString:self attributes:attributes];
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frameSetter = CTFramesetterCreateWithAttributedString(string),
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path = CGPathCreateMutable();
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CGPathAddRect(path, nil, aRect);
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var frame = CTFramesetterCreateFrame(frameSetter, CPMakeRange(0, [string length]), path, nil);
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CTFrameDraw(frame, context);
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}
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@end
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