Add webkit to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@18 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 125 insertions, 0 deletions

diff --git a/webkit/pending/FontDescription.h b/webkit/pending/FontDescription.h
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+++ b/webkit/pending/FontDescription.h
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+/*
+ * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
+ *           (C) 2000 Antti Koivisto (koivisto@kde.org)
+ *           (C) 2000 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2003-6 Apple Computer, Inc.
+ *
+ * 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 <unicode/uscript.h>
+
+namespace WebCore {
+
+const unsigned cNormalWeight = 50;
+const unsigned cBoldWeight = 63;
+
+// This setting is used to provide ways of switching between multiple rendering modes that may have different
+// metrics.  It is used to switch between CG and GDI text on Windows.
+enum FontRenderingMode { NormalRenderingMode, AlternateRenderingMode };
+
+class FontDescription {
+public:
+    enum GenericFamilyType { NoFamily, StandardFamily, SerifFamily, SansSerifFamily, 
+                             MonospaceFamily, CursiveFamily, FantasyFamily };
+
+    FontDescription()
+        : m_specifiedSize(0), m_computedSize(0), 
+          m_italic(false), m_smallCaps(false), m_isAbsoluteSize(false), m_weight(cNormalWeight), 
+          m_genericFamily(NoFamily), m_usePrinterFont(false), m_renderingMode(NormalRenderingMode), m_keywordSize(0),
+          m_dominantScript(USCRIPT_INVALID_CODE)
+          {}
+    
+    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; }
+    bool bold() const { return weight() == cBoldWeight; }
+    int computedPixelSize() const { return int(m_computedSize + 0.5f); }
+    bool smallCaps() const { return m_smallCaps; }
+    bool isAbsoluteSize() const { return m_isAbsoluteSize; }
+    unsigned weight() const { return m_weight; }
+    GenericFamilyType genericFamily() const { return static_cast<GenericFamilyType>(m_genericFamily); }
+    bool usePrinterFont() const { return m_usePrinterFont; }
+    FontRenderingMode renderingMode() const { return static_cast<FontRenderingMode>(m_renderingMode); }
+    int keywordSize() const { return m_keywordSize; }
+    UScriptCode dominantScript() const { return m_dominantScript; }
+
+    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 setBold(bool b) { m_weight = (b ? cBoldWeight : cNormalWeight); }
+    void setSmallCaps(bool c) { m_smallCaps = c; }
+    void setIsAbsoluteSize(bool s) { m_isAbsoluteSize = s; }
+    void setWeight(unsigned w) { m_weight = w; }
+    void setGenericFamily(GenericFamilyType genericFamily) { m_genericFamily = genericFamily; }
+    void setUsePrinterFont(bool p) { m_usePrinterFont = p; }
+    void setRenderingMode(FontRenderingMode mode) { m_renderingMode = mode; }
+    void setKeywordSize(int s) { m_keywordSize = s; }
+    void setDominantScript(UScriptCode s) { m_dominantScript = s; }
+
+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.  
+
+    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;
+    unsigned m_genericFamily : 3; // GenericFamilyType
+    bool m_usePrinterFont : 1;
+
+    unsigned m_renderingMode : 1;  // Used to switch between CG and GDI text on Windows.
+
+    int 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>).
+    UScriptCode m_dominantScript; // See the comment in Document.h
+                         
+};
+
+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;
+}
+
+}
+
+#endif