зеркало из https://github.com/mozilla/gecko-dev.git
94 строки
3.3 KiB
C++
94 строки
3.3 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "NativeFontResourceFreeType.h"
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#include "UnscaledFontFreeType.h"
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#include "Logging.h"
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namespace mozilla::gfx {
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NativeFontResourceFreeType::NativeFontResourceFreeType(
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UniquePtr<uint8_t[]>&& aFontData, uint32_t aDataLength,
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FT_Library aFTLibrary)
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: NativeFontResource(aDataLength),
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mFontData(std::move(aFontData)),
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mDataLength(aDataLength),
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mFTLibrary(aFTLibrary) {}
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NativeFontResourceFreeType::~NativeFontResourceFreeType() = default;
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template <class T>
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already_AddRefed<T> NativeFontResourceFreeType::CreateInternal(
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uint8_t* aFontData, uint32_t aDataLength, FT_Library aFTLibrary) {
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if (!aFontData || !aDataLength) {
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return nullptr;
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}
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UniquePtr<uint8_t[]> fontData(new (fallible) uint8_t[aDataLength]);
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if (!fontData) {
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return nullptr;
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}
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memcpy(fontData.get(), aFontData, aDataLength);
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RefPtr<T> resource = new T(std::move(fontData), aDataLength, aFTLibrary);
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return resource.forget();
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}
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#ifdef MOZ_WIDGET_ANDROID
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already_AddRefed<NativeFontResourceFreeType> NativeFontResourceFreeType::Create(
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uint8_t* aFontData, uint32_t aDataLength, FT_Library aFTLibrary) {
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return CreateInternal<NativeFontResourceFreeType>(aFontData, aDataLength,
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aFTLibrary);
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}
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already_AddRefed<UnscaledFont> NativeFontResourceFreeType::CreateUnscaledFont(
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uint32_t aIndex, const uint8_t* aInstanceData,
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uint32_t aInstanceDataLength) {
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if (RefPtr<SharedFTFace> face = CloneFace()) {
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return MakeAndAddRef<UnscaledFontFreeType>(std::move(face));
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}
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return nullptr;
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}
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#endif
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already_AddRefed<SharedFTFace> NativeFontResourceFreeType::CloneFace(
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int aFaceIndex) {
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RefPtr<SharedFTFace> face = Factory::NewSharedFTFaceFromData(
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mFTLibrary, mFontData.get(), mDataLength, aFaceIndex, this);
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if (!face ||
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(FT_Select_Charmap(face->GetFace(), FT_ENCODING_UNICODE) != FT_Err_Ok &&
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FT_Select_Charmap(face->GetFace(), FT_ENCODING_MS_SYMBOL) !=
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FT_Err_Ok)) {
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return nullptr;
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}
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return face.forget();
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}
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#ifdef MOZ_WIDGET_GTK
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NativeFontResourceFontconfig::NativeFontResourceFontconfig(
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UniquePtr<uint8_t[]>&& aFontData, uint32_t aDataLength,
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FT_Library aFTLibrary)
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: NativeFontResourceFreeType(std::move(aFontData), aDataLength,
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aFTLibrary) {}
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already_AddRefed<UnscaledFont> NativeFontResourceFontconfig::CreateUnscaledFont(
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uint32_t aIndex, const uint8_t* aInstanceData,
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uint32_t aInstanceDataLength) {
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if (RefPtr<SharedFTFace> face = CloneFace()) {
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return MakeAndAddRef<UnscaledFontFontconfig>(std::move(face));
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}
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return nullptr;
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}
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already_AddRefed<NativeFontResourceFontconfig>
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NativeFontResourceFontconfig::Create(uint8_t* aFontData, uint32_t aDataLength,
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FT_Library aFTLibrary) {
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return CreateInternal<NativeFontResourceFontconfig>(aFontData, aDataLength,
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aFTLibrary);
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}
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#endif
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} // namespace mozilla::gfx
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