Move Font related classes to Source/platform/fonts

Source/core/platform/graphics/FontMetrics.h

Index: Source/core/platform/graphics/FontMetrics.h
diff --git a/Source/core/platform/graphics/FontMetrics.h b/Source/core/platform/graphics/FontMetrics.h
deleted file mode 100644
index dbf1636a6bc6496b1873b859b593e35d248840e9..0000000000000000000000000000000000000000
--- a/Source/core/platform/graphics/FontMetrics.h
+++ /dev/null
@@ -1,157 +0,0 @@
-/*
- * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
- *
- * 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.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifndef FontMetrics_h
-#define FontMetrics_h
-
-#include "platform/fonts/FontBaseline.h"
-#include "wtf/MathExtras.h"
-
-namespace WebCore {
-
-const unsigned gDefaultUnitsPerEm = 1000;
-
-class FontMetrics {
-public:
-    FontMetrics()
-        : m_unitsPerEm(gDefaultUnitsPerEm)
-        , m_ascent(0)
-        , m_descent(0)
-        , m_lineGap(0)
-        , m_lineSpacing(0)
-        , m_xHeight(0)
-        , m_zeroWidth(0)
-        , m_hasXHeight(false)
-        , m_hasZeroWidth(false)
-    {
-    }
-
-    unsigned unitsPerEm() const { return m_unitsPerEm; }
-    void setUnitsPerEm(unsigned unitsPerEm) { m_unitsPerEm = unitsPerEm; }
-
-    float floatAscent(FontBaseline baselineType = AlphabeticBaseline) const
-    {
-        if (baselineType == AlphabeticBaseline)
-            return m_ascent;
-        return floatHeight() / 2;
-    }
-
-    void setAscent(float ascent) { m_ascent = ascent; }
-
-    float floatDescent(FontBaseline baselineType = AlphabeticBaseline) const
-    {
-        if (baselineType == AlphabeticBaseline)
-            return m_descent;
-        return floatHeight() / 2;
-    }
-
-    void setDescent(float descent) { m_descent = descent; }
-
-    float floatHeight(FontBaseline baselineType = AlphabeticBaseline) const
-    {
-        return floatAscent(baselineType) + floatDescent(baselineType);
-    }
-
-    float floatLineGap() const { return m_lineGap; }
-    void setLineGap(float lineGap) { m_lineGap = lineGap; }
-
-    float floatLineSpacing() const { return m_lineSpacing; }
-    void setLineSpacing(float lineSpacing) { m_lineSpacing = lineSpacing; }
-
-    float xHeight() const { return m_xHeight; }
-    void setXHeight(float xHeight)
-    {
-        m_xHeight = xHeight;
-        m_hasXHeight = true;
-    }
-
-    bool hasXHeight() const { return m_hasXHeight && m_xHeight > 0; }
-    void setHasXHeight(bool hasXHeight) { m_hasXHeight = hasXHeight; }
-
-    // Integer variants of certain metrics, used for HTML rendering.
-    int ascent(FontBaseline baselineType = AlphabeticBaseline) const
-    {
-        if (baselineType == AlphabeticBaseline)
-            return lroundf(m_ascent);
-        return height() - height() / 2;
-    }
-
-    int descent(FontBaseline baselineType = AlphabeticBaseline) const
-    {
-        if (baselineType == AlphabeticBaseline)
-            return lroundf(m_descent);
-        return height() / 2;
-    }
-
-    int height(FontBaseline baselineType = AlphabeticBaseline) const
-    {
-        return ascent(baselineType) + descent(baselineType);
-    }
-
-    int lineGap() const { return lroundf(m_lineGap); }
-    int lineSpacing() const { return lroundf(m_lineSpacing); }
-
-    bool hasIdenticalAscentDescentAndLineGap(const FontMetrics& other) const
-    {
-        return ascent() == other.ascent() && descent() == other.descent() && lineGap() == other.lineGap();
-    }
-
-    float zeroWidth() const { return m_zeroWidth; }
-    void setZeroWidth(float zeroWidth)
-    {
-        m_zeroWidth = zeroWidth;
-        m_hasZeroWidth = true;
-    }
-
-    bool hasZeroWidth() const { return m_hasZeroWidth; }
-    void setHasZeroWidth(bool hasZeroWidth) { m_hasZeroWidth = hasZeroWidth; }
-
-private:
-    friend class SimpleFontData;
-
-    void reset()
-    {
-        m_unitsPerEm = gDefaultUnitsPerEm;
-        m_ascent = 0;
-        m_descent = 0;
-        m_lineGap = 0;
-        m_lineSpacing = 0;
-        m_xHeight = 0;
-        m_hasXHeight = false;
-    }
-
-    unsigned m_unitsPerEm;
-    float m_ascent;
-    float m_descent;
-    float m_lineGap;
-    float m_lineSpacing;
-    float m_xHeight;
-    float m_zeroWidth;
-    bool m_hasXHeight;
-    bool m_hasZeroWidth;
-};
-
-static inline float scaleEmToUnits(float x, unsigned unitsPerEm)
-{
-    return unitsPerEm ? x / unitsPerEm : x;
-}
-
-} // namespace WebCore
-
-#endif // FontMetrics_h