1 /* 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 3 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public License 16 * along with this library; see the file COPYING.LIB. If not, write to 17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 * 20 */ 21 22 #ifndef FontSize_h 23 #define FontSize_h 24 25 namespace WebCore { 26 27 class Document; 28 29 enum ESmartMinimumForFontSize { DoNotUseSmartMinimumForFontSize, UseSmartMinimumForFontFize }; 30 31 class FontSize { 32 private: FontSize()33 FontSize() 34 { 35 } 36 37 public: 38 static float getComputedSizeFromSpecifiedSize(const Document*, float zoomFactor, bool isAbsoluteSize, float specifiedSize, ESmartMinimumForFontSize = UseSmartMinimumForFontFize); 39 40 // Given a CSS keyword in the range (xx-small to -webkit-xxx-large), this function will return 41 // the correct font size scaled relative to the user's default (medium). 42 static float fontSizeForKeyword(const Document*, int keyword, bool shouldUseFixedDefaultSize); 43 44 // Given a font size in pixel, this function will return legacy font size between 1 and 7. 45 static int legacyFontSize(const Document*, int pixelFontSize, bool shouldUseFixedDefaultSize); 46 }; 47 48 } // namespace WebCore 49 50 #endif // FontSize_h 51