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/*
* Copyright (C) 2010 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER 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 "third_party/blink/public/platform/web_font_description.h"
#include "third_party/blink/renderer/platform/fonts/font_description.h"
#include "third_party/blink/renderer/platform/geometry/length.h"
namespace blink {
WebFontDescription::WebFontDescription(const FontDescription& desc) {
family = desc.Family().FamilyName();
family_is_generic = desc.Family().FamilyIsGeneric();
generic_family = static_cast<GenericFamily>(desc.GenericFamily());
size = desc.SpecifiedSize();
italic = desc.Style() == kItalicSlopeValue;
small_caps = desc.VariantCaps() == FontDescription::kSmallCaps;
DCHECK(desc.Weight() >= 100 && desc.Weight() <= 900 &&
static_cast<int>(desc.Weight()) % 100 == 0);
weight = static_cast<Weight>(static_cast<int>(desc.Weight()) / 100 - 1);
letter_spacing = desc.LetterSpacing();
word_spacing = desc.WordSpacing();
}
WebFontDescription::operator FontDescription() const {
FontDescription desc;
desc.SetFamily(FontFamily(family, family_is_generic
? FontFamily::Type::kGenericFamily
: FontFamily::Type::kFamilyName));
desc.SetGenericFamily(
static_cast<FontDescription::GenericFamilyType>(generic_family));
desc.SetSpecifiedSize(size);
desc.SetComputedSize(size);
desc.SetStyle(italic ? kItalicSlopeValue : kNormalSlopeValue);
desc.SetVariantCaps(small_caps ? FontDescription::kSmallCaps
: FontDescription::kCapsNormal);
static_assert(static_cast<int>(WebFontDescription::kWeight100) == 0,
"kWeight100 conversion");
static_assert(static_cast<int>(WebFontDescription::kWeight900) == 8,
"kWeight900 conversion");
desc.SetWeight(FontSelectionValue((weight + 1) * 100));
desc.SetLetterSpacing(Length(letter_spacing, Length::kFixed));
desc.SetWordSpacing(word_spacing);
return desc;
}
} // namespace blink
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