1/*
2 * Copyright (C) 2013 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1.  Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2.  Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24#ifndef FontServicesIOS_h
25#define FontServicesIOS_h
26
27#import <CoreText/CoreText.h>
28
29namespace WebCore {
30
31class FontServicesIOS {
32public:
33    FontServicesIOS(CTFontRef);
34    CGFloat ascent() { return m_ascent; }
35    CGFloat descent() { return m_descent; }
36    CGFloat lineGap() { return m_lineGap; }
37    CGFloat lineSpacing() { return m_lineSpacing; }
38    CGFloat xHeight() { return m_xHeight; }
39    unsigned unitsPerEm() { return m_unitsPerEm; }
40
41private:
42    CGFloat m_ascent;
43    CGFloat m_descent;
44    CGFloat m_lineGap;
45    CGFloat m_lineSpacing;
46    CGFloat m_xHeight;
47    unsigned m_unitsPerEm;
48};
49
50}
51#endif
52