Move Font related classes to Source/platform/fonts

Source/core/platform/graphics/FontDescription.cpp

-/*
- * Copyright (C) 2007 Nicholas Shanks <contact@nickshanks.com>
- * Copyright (C) 2008 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "core/platform/graphics/FontDescription.h"
-
-#include "RuntimeEnabledFeatures.h"
-#include "wtf/text/AtomicStringHash.h"
-#include "wtf/text/StringHash.h"
-
-namespace WebCore {
-
-struct SameSizeAsFontDescription {
-    FontFamily familyList;
-    RefPtr<FontFeatureSettings> m_featureSettings;
-    float sizes[2];
-    // FXIME: Make them fit into one word.
-    uint32_t bitfields;
-    uint32_t bitfields2 : 8;
-};
-
-COMPILE_ASSERT(sizeof(FontDescription) == sizeof(SameSizeAsFontDescription), FontDescription_should_stay_small);
-
-FontWeight FontDescription::lighterWeight(void) const
-{
-    switch (m_weight) {
-        case FontWeight100:
-        case FontWeight200:
-        case FontWeight300:
-        case FontWeight400:
-        case FontWeight500:
-            return FontWeight100;
-
-        case FontWeight600:
-        case FontWeight700:
-            return FontWeight400;
-
-        case FontWeight800:
-        case FontWeight900:
-            return FontWeight700;
-    }
-    ASSERT_NOT_REACHED();
-    return FontWeightNormal;
-}
-
-FontWeight FontDescription::bolderWeight(void) const
-{
-    switch (m_weight) {
-        case FontWeight100:
-        case FontWeight200:
-        case FontWeight300:
-            return FontWeight400;
-
-        case FontWeight400:
-        case FontWeight500:
-            return FontWeight700;
-
-        case FontWeight600:
-        case FontWeight700:
-        case FontWeight800:
-        case FontWeight900:
-            return FontWeight900;
-    }
-    ASSERT_NOT_REACHED();
-    return FontWeightNormal;
-}
-
-FontTraitsMask FontDescription::traitsMask() const
-{
-    return static_cast<FontTraitsMask>((m_italic ? FontStyleItalicMask : FontStyleNormalMask)
-            | (m_smallCaps ? FontVariantSmallCapsMask : FontVariantNormalMask)
-            | (FontWeight100Mask << (m_weight - FontWeight100)));
-
-}
-
-FontDescription FontDescription::makeNormalFeatureSettings() const
-{
-    FontDescription normalDescription(*this);
-    normalDescription.setFeatureSettings(0);
-    return normalDescription;
-}
-
-float FontDescription::effectiveFontSize() const
-{
-    return (RuntimeEnabledFeatures::subpixelFontScalingEnabled())
-        ? computedSize()
-        : computedPixelSize();
-}
-
-FontCacheKey FontDescription::cacheKey(const AtomicString& familyName, FontTraitsMask desiredTraits) const
-{
-    FontTraitsMask traits = desiredTraits
-        ? desiredTraits
-        : traitsMask();
-
-    unsigned options =
-        // synthetic bold, italics - bits 7-8
-        static_cast<unsigned>(m_fontSmoothing) << 4 | // bits 5-6
-        static_cast<unsigned>(m_textRendering) << 2 | // bits 3-4
-        static_cast<unsigned>(m_orientation) << 1 | // bit 2
-        static_cast<unsigned>(m_usePrinterFont); // bit 1
-
-    return FontCacheKey(familyName, effectiveFontSize(), options | traits << 8);
-}
-
-} // namespace WebCore