third_party/WebKit/Source/platform/fonts/FontCustomPlatformData.cpp

/*
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#include "platform/fonts/FontCustomPlatformData.h"

#include "platform/LayoutTestSupport.h"
#include "platform/SharedBuffer.h"
#include "platform/fonts/FontCache.h"
#include "platform/fonts/FontPlatformData.h"
#include "platform/fonts/WebFontDecoder.h"
#include "third_party/skia/include/core/SkStream.h"
#include "third_party/skia/include/core/SkTypeface.h"
#include "wtf/PtrUtil.h"
#include <memory>

namespace blink {

FontCustomPlatformData::FontCustomPlatformData(sk_sp<SkTypeface> typeface)
    : m_typeface(typeface) {}

FontCustomPlatformData::~FontCustomPlatformData() {}

FontPlatformData FontCustomPlatformData::fontPlatformData(
    float size,
    bool bold,
    bool italic,
    FontOrientation orientation) {
  ASSERT(m_typeface);
  return FontPlatformData(m_typeface, "", size, bold && !m_typeface->isBold(),
                          italic && !m_typeface->isItalic(), orientation);
}

std::unique_ptr<FontCustomPlatformData> FontCustomPlatformData::create(
    SharedBuffer* buffer,
    String& otsParseMessage) {
  DCHECK(buffer);
  WebFontDecoder decoder;
  sk_sp<SkTypeface> typeface = decoder.decode(buffer);
  if (!typeface) {
    otsParseMessage = decoder.getErrorString();
    return nullptr;
  }
  return wrapUnique(new FontCustomPlatformData(std::move(typeface)));
}

bool FontCustomPlatformData::supportsFormat(const String& format) {
  return equalIgnoringCase(format, "truetype") ||
         equalIgnoringCase(format, "opentype") ||
         WebFontDecoder::supportsFormat(format);
}

}  // namespace blink