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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 "NativeFontResourceFreeType.h"
#include "UnscaledFontFreeType.h"
#include "mozilla/fallible.h"
namespace mozilla::gfx {
NativeFontResourceFreeType::NativeFontResourceFreeType(
UniquePtr<uint8_t[]>&& aFontData, uint32_t aDataLength,
FT_Library aFTLibrary)
: NativeFontResource(aDataLength),
mFontData(std::move(aFontData)),
mDataLength(aDataLength),
mFTLibrary(aFTLibrary) {}
NativeFontResourceFreeType::~NativeFontResourceFreeType() = default;
template <class T>
already_AddRefed<T> NativeFontResourceFreeType::CreateInternal(
const uint8_t* aFontData, uint32_t aDataLength, FT_Library aFTLibrary) {
if (!aFontData || !aDataLength) {
return nullptr;
}
UniquePtr<uint8_t[]> fontData(new (fallible) uint8_t[aDataLength]);
if (!fontData) {
return nullptr;
}
memcpy(fontData.get(), aFontData, aDataLength);
RefPtr<T> resource = new T(std::move(fontData), aDataLength, aFTLibrary);
return resource.forget();
}
#ifdef MOZ_WIDGET_ANDROID
already_AddRefed<NativeFontResourceFreeType> NativeFontResourceFreeType::Create(
const uint8_t* aFontData, uint32_t aDataLength, FT_Library aFTLibrary) {
return CreateInternal<NativeFontResourceFreeType>(aFontData, aDataLength,
aFTLibrary);
}
already_AddRefed<UnscaledFont> NativeFontResourceFreeType::CreateUnscaledFont(
uint32_t aIndex, const uint8_t* aInstanceData,
uint32_t aInstanceDataLength) {
if (RefPtr<SharedFTFace> face = CloneFace()) {
return MakeAndAddRef<UnscaledFontFreeType>(std::move(face));
}
return nullptr;
}
#endif
already_AddRefed<SharedFTFace> NativeFontResourceFreeType::CloneFace(
int aFaceIndex) {
RefPtr<SharedFTFace> face = Factory::NewSharedFTFaceFromData(
mFTLibrary, mFontData.get(), mDataLength, aFaceIndex, this);
if (!face ||
(FT_Select_Charmap(face->GetFace(), FT_ENCODING_UNICODE) != FT_Err_Ok &&
FT_Select_Charmap(face->GetFace(), FT_ENCODING_MS_SYMBOL) !=
FT_Err_Ok)) {
return nullptr;
}
return face.forget();
}
#ifdef MOZ_WIDGET_GTK
NativeFontResourceFontconfig::NativeFontResourceFontconfig(
UniquePtr<uint8_t[]>&& aFontData, uint32_t aDataLength,
FT_Library aFTLibrary)
: NativeFontResourceFreeType(std::move(aFontData), aDataLength,
aFTLibrary) {}
already_AddRefed<UnscaledFont> NativeFontResourceFontconfig::CreateUnscaledFont(
uint32_t aIndex, const uint8_t* aInstanceData,
uint32_t aInstanceDataLength) {
if (RefPtr<SharedFTFace> face = CloneFace()) {
return MakeAndAddRef<UnscaledFontFontconfig>(std::move(face));
}
return nullptr;
}
already_AddRefed<NativeFontResourceFontconfig>
NativeFontResourceFontconfig::Create(const uint8_t* aFontData,
uint32_t aDataLength,
FT_Library aFTLibrary) {
return CreateInternal<NativeFontResourceFontconfig>(aFontData, aDataLength,
aFTLibrary);
}
#endif
} // namespace mozilla::gfx
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