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/*
* Copyright (C) 2012 Google 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 COMPUTER, INC. OR
* 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 "core/layout/LayoutThemeFontProvider.h"
#include "core/CSSValueKeywords.h"
#include "platform/fonts/FontDescription.h"
#include "wtf/StdLibExtras.h"
#include "wtf/text/WTFString.h"
namespace blink {
// static
void LayoutThemeFontProvider::setDefaultFontSize(int fontSize)
{
s_defaultFontSize = static_cast<float>(fontSize);
}
// static
void LayoutThemeFontProvider::systemFont(CSSValueID systemFontID, FontStyle& fontStyle, FontWeight& fontWeight, float& fontSize, AtomicString& fontFamily)
{
fontWeight = FontWeightNormal;
fontStyle = FontStyleNormal;
fontSize = s_defaultFontSize;
fontFamily = defaultGUIFont();
switch (systemFontID) {
case CSSValueWebkitMiniControl:
case CSSValueWebkitSmallControl:
case CSSValueWebkitControl:
// Why 2 points smaller? Because that's what Gecko does. Note that we
// are assuming a 96dpi screen, which is the default that we use on
// Windows.
static const float pointsPerInch = 72.0f;
static const float pixelsPerInch = 96.0f;
fontSize -= (2.0f / pointsPerInch) * pixelsPerInch;
break;
default:
break;
}
}
} // namespace blink
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