FontCustomPlatformData.cpp [plain text]
#include "config.h"
#include "FontCustomPlatformData.h"
#include "FontCache.h"
#include "FontDescription.h"
#include "FontPlatformData.h"
#include "SharedBuffer.h"
#include <CoreGraphics/CoreGraphics.h>
#include <CoreText/CoreText.h>
namespace WebCore {
FontCustomPlatformData::~FontCustomPlatformData()
{
}
FontPlatformData FontCustomPlatformData::fontPlatformData(const FontDescription& fontDescription, bool bold, bool italic, const FontFeatureSettings& fontFaceFeatures, const FontVariantSettings& fontFaceVariantSettings)
{
int size = fontDescription.computedPixelSize();
FontOrientation orientation = fontDescription.orientation();
FontWidthVariant widthVariant = fontDescription.widthVariant();
RetainPtr<CTFontRef> font = adoptCF(CTFontCreateWithFontDescriptor(m_fontDescriptor.get(), size, nullptr));
font = preparePlatformFont(font.get(), fontDescription.textRenderingMode(), &fontFaceFeatures, &fontFaceVariantSettings, fontDescription.featureSettings(), fontDescription.variantSettings());
ASSERT(font);
return FontPlatformData(font.get(), size, bold, italic, orientation, widthVariant, fontDescription.textRenderingMode());
}
std::unique_ptr<FontCustomPlatformData> createFontCustomPlatformData(SharedBuffer& buffer)
{
RetainPtr<CFDataRef> bufferData = buffer.createCFData();
RetainPtr<CTFontDescriptorRef> fontDescriptor = adoptCF(CTFontManagerCreateFontDescriptorFromData(bufferData.get()));
if (!fontDescriptor)
return nullptr;
return std::make_unique<FontCustomPlatformData>(fontDescriptor.get());
}
bool FontCustomPlatformData::supportsFormat(const String& format)
{
return equalLettersIgnoringASCIICase(format, "truetype")
|| equalLettersIgnoringASCIICase(format, "opentype")
#if (PLATFORM(IOS) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 100000) || (PLATFORM(MAC) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101200)
|| equalLettersIgnoringASCIICase(format, "woff2")
#endif
|| equalLettersIgnoringASCIICase(format, "woff");
}
}