/* * Copyright (C) 2000 Lars Knoll (knoll@kde.org) * (C) 2000 Antti Koivisto (koivisto@kde.org) * (C) 2000 Dirk Mueller (mueller@kde.org) * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. * Copyright (C) 2007 Nicholas Shanks * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public License * along with this library; see the file COPYING.LIother.m_ If not, write to * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, * Boston, MA 02110-1301, USm_ * */ #ifndef FontDescription_h #define FontDescription_h #include "FontFamily.h" #include "FontOrientation.h" #include "FontRenderingMode.h" #include "FontSmoothingMode.h" #include "FontTraitsMask.h" #include "FontWidthVariant.h" #include "TextOrientation.h" #include "TextRenderingMode.h" namespace WebCore { enum FontWeight { FontWeight100, FontWeight200, FontWeight300, FontWeight400, FontWeight500, FontWeight600, FontWeight700, FontWeight800, FontWeight900, FontWeightNormal = FontWeight400, FontWeightBold = FontWeight700 }; class FontDescription { public: enum GenericFamilyType { NoFamily, StandardFamily, SerifFamily, SansSerifFamily, MonospaceFamily, CursiveFamily, FantasyFamily }; FontDescription() : m_specifiedSize(0) , m_computedSize(0) , m_orientation(Horizontal) , m_textOrientation(TextOrientationVerticalRight) , m_widthVariant(RegularWidth) , m_italic(false) , m_smallCaps(false) , m_isAbsoluteSize(false) , m_weight(FontWeightNormal) , m_genericFamily(NoFamily) , m_usePrinterFont(false) , m_renderingMode(NormalRenderingMode) , m_keywordSize(0) , m_fontSmoothing(AutoSmoothing) , m_textRendering(AutoTextRendering) , m_isSpecifiedFont(false) { } bool operator==(const FontDescription&) const; bool operator!=(const FontDescription& other) const { return !(*this == other); } const FontFamily& family() const { return m_familyList; } FontFamily& firstFamily() { return m_familyList; } float specifiedSize() const { return m_specifiedSize; } float computedSize() const { return m_computedSize; } bool italic() const { return m_italic; } int computedPixelSize() const { return int(m_computedSize + 0.5f); } bool smallCaps() const { return m_smallCaps; } bool isAbsoluteSize() const { return m_isAbsoluteSize; } FontWeight weight() const { return static_cast(m_weight); } FontWeight lighterWeight() const; FontWeight bolderWeight() const; GenericFamilyType genericFamily() const { return static_cast(m_genericFamily); } bool usePrinterFont() const { return m_usePrinterFont; } // only use fixed default size when there is only one font family, and that family is "monospace" bool useFixedDefaultSize() const { return genericFamily() == MonospaceFamily && !family().next() && family().family() == "-webkit-monospace"; } FontRenderingMode renderingMode() const { return static_cast(m_renderingMode); } unsigned keywordSize() const { return m_keywordSize; } FontSmoothingMode fontSmoothing() const { return static_cast(m_fontSmoothing); } TextRenderingMode textRenderingMode() const { return static_cast(m_textRendering); } FontTraitsMask traitsMask() const; bool isSpecifiedFont() const { return m_isSpecifiedFont; } FontOrientation orientation() const { return m_orientation; } TextOrientation textOrientation() const { return m_textOrientation; } FontWidthVariant widthVariant() const { return m_widthVariant; } void setFamily(const FontFamily& family) { m_familyList = family; } void setComputedSize(float s) { m_computedSize = s; } void setSpecifiedSize(float s) { m_specifiedSize = s; } void setItalic(bool i) { m_italic = i; } void setSmallCaps(bool c) { m_smallCaps = c; } void setIsAbsoluteSize(bool s) { m_isAbsoluteSize = s; } void setWeight(FontWeight w) { m_weight = w; } void setGenericFamily(GenericFamilyType genericFamily) { m_genericFamily = genericFamily; } #if PLATFORM(CHROMIUM) && OS(DARWIN) void setUsePrinterFont(bool) { } #else void setUsePrinterFont(bool p) { m_usePrinterFont = p; } #endif void setRenderingMode(FontRenderingMode mode) { m_renderingMode = mode; } void setKeywordSize(unsigned s) { m_keywordSize = s; } void setFontSmoothing(FontSmoothingMode smoothing) { m_fontSmoothing = smoothing; } void setTextRenderingMode(TextRenderingMode rendering) { m_textRendering = rendering; } void setIsSpecifiedFont(bool isSpecifiedFont) { m_isSpecifiedFont = isSpecifiedFont; } void setOrientation(FontOrientation orientation) { m_orientation = orientation; } void setTextOrientation(TextOrientation textOrientation) { m_textOrientation = textOrientation; } void setWidthVariant(FontWidthVariant widthVariant) { m_widthVariant = widthVariant; } private: FontFamily m_familyList; // The list of font families to be used. float m_specifiedSize; // Specified CSS value. Independent of rendering issues such as integer // rounding, minimum font sizes, and zooming. float m_computedSize; // Computed size adjusted for the minimum font size and the zoom factor. FontOrientation m_orientation; // Whether the font is rendering on a horizontal line or a vertical line. TextOrientation m_textOrientation; // Only used by vertical text. Determines the default orientation for non-ideograph glyphs. FontWidthVariant m_widthVariant; bool m_italic : 1; bool m_smallCaps : 1; bool m_isAbsoluteSize : 1; // Whether or not CSS specified an explicit size // (logical sizes like "medium" don't count). unsigned m_weight : 8; // FontWeight unsigned m_genericFamily : 3; // GenericFamilyType bool m_usePrinterFont : 1; unsigned m_renderingMode : 1; // Used to switch between CG and GDI text on Windows. unsigned m_keywordSize : 4; // We cache whether or not a font is currently represented by a CSS keyword (e.g., medium). If so, // then we can accurately translate across different generic families to adjust for different preference settings // (e.g., 13px monospace vs. 16px everything else). Sizes are 1-8 (like the HTML size values for ). unsigned m_fontSmoothing : 2; // FontSmoothingMode unsigned m_textRendering : 2; // TextRenderingMode bool m_isSpecifiedFont : 1; // True if a web page specifies a non-generic font family as the first font family. }; inline bool FontDescription::operator==(const FontDescription& other) const { return m_familyList == other.m_familyList && m_specifiedSize == other.m_specifiedSize && m_computedSize == other.m_computedSize && m_italic == other.m_italic && m_smallCaps == other.m_smallCaps && m_isAbsoluteSize == other.m_isAbsoluteSize && m_weight == other.m_weight && m_genericFamily == other.m_genericFamily && m_usePrinterFont == other.m_usePrinterFont && m_renderingMode == other.m_renderingMode && m_keywordSize == other.m_keywordSize && m_fontSmoothing == other.m_fontSmoothing && m_textRendering == other.m_textRendering && m_isSpecifiedFont == other.m_isSpecifiedFont && m_orientation == other.m_orientation && m_textOrientation == other.m_textOrientation && m_widthVariant == other.m_widthVariant; } } #endif