| // 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 |