зеркало из https://github.com/mozilla/gecko-dev.git
93 строки
3.2 KiB
C++
93 строки
3.2 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 {
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namespace gfx {
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NativeFontResourceFreeType::NativeFontResourceFreeType(
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UniquePtr<uint8_t[]>&& aFontData, uint32_t aDataLength, FT_Face aFace)
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: mFontData(std::move(aFontData)), mDataLength(aDataLength), mFace(aFace) {}
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NativeFontResourceFreeType::~NativeFontResourceFreeType() {
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if (mFace) {
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Factory::ReleaseFTFace(mFace);
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mFace = nullptr;
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}
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}
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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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FT_Face face =
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Factory::NewFTFaceFromData(aFTLibrary, fontData.get(), aDataLength, 0);
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if (!face) {
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return nullptr;
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}
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if (FT_Select_Charmap(face, FT_ENCODING_UNICODE) != FT_Err_Ok) {
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Factory::ReleaseFTFace(face);
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return nullptr;
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}
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RefPtr<T> resource = new T(std::move(fontData), aDataLength, face);
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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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RefPtr<UnscaledFont> unscaledFont = new UnscaledFontFreeType(mFace, this);
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return unscaledFont.forget();
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}
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#endif
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FT_Face NativeFontResourceFreeType::CloneFace() {
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return Factory::NewFTFaceFromData(mFace->glyph->library, mFontData.get(),
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mDataLength, 0);
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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, FT_Face aFace)
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: NativeFontResourceFreeType(std::move(aFontData), aDataLength, aFace) {}
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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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RefPtr<UnscaledFont> unscaledFont = new UnscaledFontFontconfig(mFace, this);
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return unscaledFont.forget();
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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 gfx
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} // namespace mozilla
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