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62 lines
1.8 KiB
C++
62 lines
1.8 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 "NativeFontResourceFontconfig.h"
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#include "ScaledFontFontconfig.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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NativeFontResourceFontconfig::NativeFontResourceFontconfig(UniquePtr<uint8_t[]>&& aFontData, FT_Face aFace)
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: mFontData(Move(aFontData)),
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mFace(aFace)
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{
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}
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NativeFontResourceFontconfig::~NativeFontResourceFontconfig()
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{
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if (mFace) {
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FT_Done_Face(mFace);
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mFace = nullptr;
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}
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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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{
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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 uint8_t[aDataLength]);
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memcpy(fontData.get(), aFontData, aDataLength);
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FT_Face face;
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if (FT_New_Memory_Face(Factory::GetFTLibrary(), fontData.get(), aDataLength, 0, &face) != FT_Err_Ok) {
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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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FT_Done_Face(face);
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return nullptr;
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}
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RefPtr<NativeFontResourceFontconfig> resource =
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new NativeFontResourceFontconfig(Move(fontData), face);
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return resource.forget();
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}
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already_AddRefed<UnscaledFont>
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NativeFontResourceFontconfig::CreateUnscaledFont(uint32_t aIndex,
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const uint8_t* aInstanceData, uint32_t aInstanceDataLength)
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{
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RefPtr<UnscaledFont> unscaledFont = new UnscaledFontFontconfig(mFace);
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return unscaledFont.forget();
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}
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} // gfx
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} // mozilla
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