| // Copyright 2013 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "ui/gfx/text_utils.h" |
| |
| #import <CoreText/CoreText.h> |
| #import <UIKit/UIKit.h> |
| |
| #include <cmath> |
| |
| #include "base/mac/foundation_util.h" |
| #include "base/strings/sys_string_conversions.h" |
| #include "ui/gfx/font_list.h" |
| |
| namespace gfx { |
| |
| int GetStringWidth(const std::u16string& text, const FontList& font_list) { |
| return std::ceil(GetStringWidthF(text, font_list)); |
| } |
| |
| float GetStringWidthF(const std::u16string& text, const FontList& font_list) { |
| NSString* ns_text = base::SysUTF16ToNSString(text); |
| CTFontRef font = font_list.GetPrimaryFont().GetCTFont(); |
| NSDictionary* attributes = |
| @{NSFontAttributeName : base::mac::CFToNSCast(font)}; |
| return [ns_text sizeWithAttributes:attributes].width; |
| } |
| |
| } // namespace gfx |
