FontServicesIOS.h   [plain text]

/*
 * Copyright (C) 2013 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1.  Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef FontServicesIOS_h
#define FontServicesIOS_h

#import <CoreText/CoreText.h>

namespace WebCore {

class FontServicesIOS {
public:
    FontServicesIOS(CTFontRef);
    CGFloat ascent() { return m_ascent; }
    CGFloat descent() { return m_descent; }
    CGFloat lineGap() { return m_lineGap; }
    CGFloat lineSpacing() { return m_lineSpacing; }
    CGFloat xHeight() { return m_xHeight; }
    CGFloat capHeight() { return m_capHeight; }
    unsigned unitsPerEm() { return m_unitsPerEm; }

private:
    CGFloat m_ascent;
    CGFloat m_descent;
    CGFloat m_lineGap;
    CGFloat m_lineSpacing;
    CGFloat m_xHeight;
    CGFloat m_capHeight;
    unsigned m_unitsPerEm;
};

}
#endif