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NativeFontResourceMac.cpp
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NativeFontResourceMac.cpp
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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "NativeFontResourceMac.h"
#include "UnscaledFontMac.h"
#include "Types.h"
#include "mozilla/RefPtr.h"
#ifdef MOZ_WIDGET_UIKIT
# include <CoreFoundation/CoreFoundation.h>
#endif
#include "nsCocoaFeatures.h"
namespace mozilla {
namespace gfx {
/* static */
already_AddRefed<NativeFontResourceMac> NativeFontResourceMac::Create(
uint8_t* aFontData, uint32_t aDataLength) {
// copy font data
CFDataRef data = CFDataCreate(kCFAllocatorDefault, aFontData, aDataLength);
if (!data) {
return nullptr;
}
// create a provider
CGDataProviderRef provider = CGDataProviderCreateWithCFData(data);
// release our reference to the CFData, provider keeps it alive
CFRelease(data);
// create the font object
CGFontRef fontRef = CGFontCreateWithDataProvider(provider);
// release our reference, font will keep it alive as long as needed
CGDataProviderRelease(provider);
if (!fontRef) {
return nullptr;
}
// passes ownership of fontRef to the NativeFontResourceMac instance
RefPtr<NativeFontResourceMac> fontResource =
new NativeFontResourceMac(fontRef);
return fontResource.forget();
}
already_AddRefed<UnscaledFont> NativeFontResourceMac::CreateUnscaledFont(
uint32_t aIndex, const uint8_t* aInstanceData,
uint32_t aInstanceDataLength) {
RefPtr<UnscaledFont> unscaledFont = new UnscaledFontMac(mFontRef, true);
return unscaledFont.forget();
}
} // namespace gfx
} // namespace mozilla