1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "ui/ios/NSString+CrStringDrawing.h"
#include "base/logging.h"
#include "ui/ios/uikit_util.h"
@implementation NSString (CrStringDrawing)
- (CGRect)cr_boundingRectWithSize:(CGSize)size
font:(UIFont*)font {
NSDictionary* attributes = font ? @{NSFontAttributeName: font} : @{};
return [self boundingRectWithSize:size
options:NSStringDrawingUsesLineFragmentOrigin
attributes:attributes
context:nil];
}
- (CGSize)cr_boundingSizeWithSize:(CGSize)size
font:(UIFont*)font {
return [self cr_boundingRectWithSize:size font:font].size;
}
- (CGSize)cr_pixelAlignedSizeWithFont:(UIFont*)font {
DCHECK(font) << "|font| can not be nil; it is used as a NSDictionary value";
NSDictionary* attributes = @{ NSFontAttributeName : font };
return ui::AlignSizeToUpperPixel([self sizeWithAttributes:attributes]);
}
- (CGSize)cr_sizeWithFont:(UIFont*)font {
if (!font)
return CGSizeZero;
NSDictionary* attributes = @{ NSFontAttributeName : font };
CGSize size = [self sizeWithAttributes:attributes];
return CGSizeMake(ceil(size.width), ceil(size.height));
}
@end
|
