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