Move Font related classes to Source/platform/fonts

Source/core/platform/graphics/FontDescription.h

-/*
- * 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 <webkit@nickshanks.com>
- *
- * 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 "FontFamilyNames.h"
-#include "core/platform/graphics/FontCacheKey.h"
-#include "core/platform/graphics/FontOrientation.h"
-#include "core/platform/graphics/FontSmoothingMode.h"
-#include "core/platform/graphics/FontTraitsMask.h"
-#include "core/platform/graphics/FontWidthVariant.h"
-#include "core/platform/graphics/TextRenderingMode.h"
-#include "platform/fonts/FontFamily.h"
-#include "platform/fonts/FontFeatureSettings.h"
-#include "platform/text/NonCJKGlyphOrientation.h"
-#include "wtf/MathExtras.h"
-
-#include "wtf/RefPtr.h"
-
-namespace WebCore {
-
-enum FontWeight {
-    FontWeight100,
-    FontWeight200,
-    FontWeight300,
-    FontWeight400,
-    FontWeight500,
-    FontWeight600,
-    FontWeight700,
-    FontWeight800,
-    FontWeight900,
-    FontWeightNormal = FontWeight400,
-    FontWeightBold = FontWeight700
-};
-
-enum FontItalic {
-    FontItalicOff = 0,
-    FontItalicOn = 1
-};
-
-enum FontSmallCaps {
-    FontSmallCapsOff = 0,
-    FontSmallCapsOn = 1
-};
-
-class FontDescription {
-public:
-    enum GenericFamilyType { NoFamily, StandardFamily, SerifFamily, SansSerifFamily,
-                             MonospaceFamily, CursiveFamily, FantasyFamily, PictographFamily };
-
-    enum Kerning { AutoKerning, NormalKerning, NoneKerning };
-
-    enum LigaturesState { NormalLigaturesState, DisabledLigaturesState, EnabledLigaturesState };
-
-    FontDescription()
-        : m_specifiedSize(0)
-        , m_computedSize(0)
-        , m_orientation(Horizontal)
-        , m_nonCJKGlyphOrientation(NonCJKGlyphOrientationVerticalRight)
-        , m_widthVariant(RegularWidth)
-        , m_italic(FontItalicOff)
-        , m_smallCaps(FontSmallCapsOff)
-        , m_isAbsoluteSize(false)
-        , m_weight(FontWeightNormal)
-        , m_genericFamily(NoFamily)
-        , m_usePrinterFont(false)
-        , m_kerning(AutoKerning)
-        , m_commonLigaturesState(NormalLigaturesState)
-        , m_discretionaryLigaturesState(NormalLigaturesState)
-        , m_historicalLigaturesState(NormalLigaturesState)
-        , m_keywordSize(0)
-        , m_fontSmoothing(AutoSmoothing)
-        , m_textRendering(AutoTextRendering)
-        , m_isSpecifiedFont(false)
-        , m_script(USCRIPT_COMMON)
-    {
-    }
-
-    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; }
-    FontItalic italic() const { return static_cast<FontItalic>(m_italic); }
-    int computedPixelSize() const { return int(m_computedSize + 0.5f); }
-    FontSmallCaps smallCaps() const { return static_cast<FontSmallCaps>(m_smallCaps); }
-    bool isAbsoluteSize() const { return m_isAbsoluteSize; }
-    FontWeight weight() const { return static_cast<FontWeight>(m_weight); }
-    FontWeight lighterWeight() const;
-    FontWeight bolderWeight() const;
-    GenericFamilyType genericFamily() const { return static_cast<GenericFamilyType>(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() == FontFamilyNames::webkit_monospace; }
-    Kerning kerning() const { return static_cast<Kerning>(m_kerning); }
-    LigaturesState commonLigaturesState() const { return static_cast<LigaturesState>(m_commonLigaturesState); }
-    LigaturesState discretionaryLigaturesState() const { return static_cast<LigaturesState>(m_discretionaryLigaturesState); }
-    LigaturesState historicalLigaturesState() const { return static_cast<LigaturesState>(m_historicalLigaturesState); }
-    unsigned keywordSize() const { return m_keywordSize; }
-    FontSmoothingMode fontSmoothing() const { return static_cast<FontSmoothingMode>(m_fontSmoothing); }
-    TextRenderingMode textRenderingMode() const { return static_cast<TextRenderingMode>(m_textRendering); }
-    UScriptCode script() const { return static_cast<UScriptCode>(m_script); }
-
-    FontTraitsMask traitsMask() const;
-    bool isSpecifiedFont() const { return m_isSpecifiedFont; }
-    FontOrientation orientation() const { return static_cast<FontOrientation>(m_orientation); }
-    NonCJKGlyphOrientation nonCJKGlyphOrientation() const { return static_cast<NonCJKGlyphOrientation>(m_nonCJKGlyphOrientation); }
-    FontWidthVariant widthVariant() const { return static_cast<FontWidthVariant>(m_widthVariant); }
-    FontFeatureSettings* featureSettings() const { return m_featureSettings.get(); }
-    FontDescription makeNormalFeatureSettings() const;
-
-    float effectiveFontSize() const; // Returns either the computedSize or the computedPixelSize
-    FontCacheKey cacheKey(const AtomicString& familyName, FontTraitsMask desiredTraits = static_cast<FontTraitsMask>(0)) const;
-
-    void setFamily(const FontFamily& family) { m_familyList = family; }
-    void setComputedSize(float s) { m_computedSize = clampToFloat(s); }
-    void setSpecifiedSize(float s) { m_specifiedSize = clampToFloat(s); }
-    void setItalic(FontItalic i) { m_italic = i; }
-    void setItalic(bool i) { setItalic(i ? FontItalicOn : FontItalicOff); }
-    void setSmallCaps(FontSmallCaps c) { m_smallCaps = c; }
-    void setSmallCaps(bool c) { setSmallCaps(c ? FontSmallCapsOn : FontSmallCapsOff); }
-    void setIsAbsoluteSize(bool s) { m_isAbsoluteSize = s; }
-    void setWeight(FontWeight w) { m_weight = w; }
-    void setGenericFamily(GenericFamilyType genericFamily) { m_genericFamily = genericFamily; }
-#if OS(MACOSX)
-    void setUsePrinterFont(bool) { }
-#else
-    void setUsePrinterFont(bool p) { m_usePrinterFont = p; }
-#endif
-    void setKerning(Kerning kerning) { m_kerning = kerning; }
-    void setCommonLigaturesState(LigaturesState commonLigaturesState) { m_commonLigaturesState = commonLigaturesState; }
-    void setDiscretionaryLigaturesState(LigaturesState discretionaryLigaturesState) { m_discretionaryLigaturesState = discretionaryLigaturesState; }
-    void setHistoricalLigaturesState(LigaturesState historicalLigaturesState) { m_historicalLigaturesState = historicalLigaturesState; }
-    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 setNonCJKGlyphOrientation(NonCJKGlyphOrientation orientation) { m_nonCJKGlyphOrientation = orientation; }
-    void setWidthVariant(FontWidthVariant widthVariant) { m_widthVariant = widthVariant; }
-    void setScript(UScriptCode s) { m_script = s; }
-    void setFeatureSettings(PassRefPtr<FontFeatureSettings> settings) { m_featureSettings = settings; }
-
-private:
-    FontFamily m_familyList; // The list of font families to be used.
-    RefPtr<FontFeatureSettings> m_featureSettings;
-
-    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.
-
-    unsigned m_orientation : 1; // FontOrientation - Whether the font is rendering on a horizontal line or a vertical line.
-    unsigned m_nonCJKGlyphOrientation : 1; // NonCJKGlyphOrientation - Only used by vertical text. Determines the default orientation for non-ideograph glyphs.
-
-    unsigned m_widthVariant : 2; // FontWidthVariant
-
-    unsigned m_italic : 1; // FontItalic
-    unsigned m_smallCaps : 1; // FontSmallCaps
-    unsigned 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
-    unsigned m_usePrinterFont : 1;
-
-    unsigned m_kerning : 2; // Kerning
-
-    unsigned m_commonLigaturesState : 2;
-    unsigned m_discretionaryLigaturesState : 2;
-    unsigned m_historicalLigaturesState : 2;
-
-    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 <font>).
-
-    unsigned m_fontSmoothing : 2; // FontSmoothingMode
-    unsigned m_textRendering : 2; // TextRenderingMode
-    unsigned m_isSpecifiedFont : 1; // True if a web page specifies a non-generic font family as the first font family.
-    unsigned m_script : 7; // Used to help choose an appropriate font for generic font families.
-};
-
-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_kerning == other.m_kerning
-        && m_commonLigaturesState == other.m_commonLigaturesState
-        && m_discretionaryLigaturesState == other.m_discretionaryLigaturesState
-        && m_historicalLigaturesState == other.m_historicalLigaturesState
-        && 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_nonCJKGlyphOrientation == other.m_nonCJKGlyphOrientation
-        && m_widthVariant == other.m_widthVariant
-        && m_script == other.m_script
-        && m_featureSettings == other.m_featureSettings;
-}
-
-}
-
-#endif