Justin Spahr-Summers
111 lines
3.0 KiB
Objective-C
111 lines
3.0 KiB
Objective-C
/*
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Copyright 2011 Twitter, Inc.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this work except in compliance with the License.
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You may obtain a copy of the License in the LICENSE file, or at:
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#import "TUIAttributedString.h"
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#import "TUICGAdditions.h"
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#import "TUIStringDrawing.h"
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#import "TUITextRenderer.h"
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@implementation NSAttributedString (TUIStringDrawing)
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- (TUITextRenderer *)ab_sharedTextRenderer
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{
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static TUITextRenderer *t = nil;
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if(!t)
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t = [[TUITextRenderer alloc] init];
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return t;
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}
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- (CGSize)ab_sizeConstrainedToWidth:(CGFloat)width
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{
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return [self ab_sizeConstrainedToSize:CGSizeMake(width, 2000)]; // big enough
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}
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- (CGSize)ab_sizeConstrainedToSize:(CGSize)size
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{
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TUITextRenderer *t = [self ab_sharedTextRenderer];
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t.attributedString = self;
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t.frame = CGRectMake(0, 0, size.width, size.height);
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return [t size];
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}
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- (CGSize)ab_size
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{
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return [self ab_sizeConstrainedToSize:CGSizeMake(2000, 2000)]; // big enough
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}
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- (CGSize)ab_drawInRect:(CGRect)rect context:(CGContextRef)ctx
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{
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TUITextRenderer *t = [self ab_sharedTextRenderer];
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t.attributedString = self;
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t.frame = rect;
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[t drawInContext:ctx];
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return [t size];
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}
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- (CGSize)ab_drawInRect:(CGRect)rect
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{
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return [self ab_drawInRect:rect context:TUIGraphicsGetCurrentContext()];
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}
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@end
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@implementation NSString (TUIStringDrawing)
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#if TARGET_OS_MAC
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- (CGSize)ab_sizeWithFont:(NSFont *)font
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{
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TUIAttributedString *s = [TUIAttributedString stringWithString:self];
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s.font = font;
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return [s ab_size];
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}
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- (CGSize)ab_sizeWithFont:(NSFont *)font constrainedToSize:(CGSize)size
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{
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TUIAttributedString *s = [TUIAttributedString stringWithString:self];
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s.font = font;
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return [s ab_sizeConstrainedToSize:size];
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}
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//- (CGSize)drawInRect:(CGRect)rect withFont:(NSFont *)font lineBreakMode:(TUILineBreakMode)lineBreakMode alignment:(TUITextAlignment)alignment
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//{
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// return [self ab_drawInRect:rect withFont:font lineBreakMode:lineBreakMode alignment:alignment];
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//}
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#endif
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- (CGSize)ab_drawInRect:(CGRect)rect color:(NSColor *)color font:(NSFont *)font
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{
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TUIAttributedString *s = [TUIAttributedString stringWithString:self];
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s.color = color;
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s.font = font;
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return [s ab_drawInRect:rect];
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}
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- (CGSize)ab_drawInRect:(CGRect)rect withFont:(NSFont *)font lineBreakMode:(TUILineBreakMode)lineBreakMode alignment:(TUITextAlignment)alignment
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{
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TUIAttributedString *s = [TUIAttributedString stringWithString:self];
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[s addAttribute:(NSString *)kCTForegroundColorFromContextAttributeName
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value:(id)[NSNumber numberWithBool:YES]
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range:NSMakeRange(0, [self length])];
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[s setAlignment:alignment lineBreakMode:lineBreakMode];
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s.font = font;
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return [s ab_drawInRect:rect];
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}
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@end
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