Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #include "NativeFontResourceFontconfig.h"
       8             : #include "ScaledFontFontconfig.h"
       9             : #include "UnscaledFontFreeType.h"
      10             : #include "Logging.h"
      11             : 
      12             : namespace mozilla {
      13             : namespace gfx {
      14             : 
      15           0 : NativeFontResourceFontconfig::NativeFontResourceFontconfig(UniquePtr<uint8_t[]>&& aFontData, FT_Face aFace)
      16           0 :   : mFontData(Move(aFontData)),
      17           0 :     mFace(aFace)
      18             : {
      19           0 : }
      20             : 
      21           0 : NativeFontResourceFontconfig::~NativeFontResourceFontconfig()
      22             : {
      23           0 :   if (mFace) {
      24           0 :     Factory::ReleaseFTFace(mFace);
      25           0 :     mFace = nullptr;
      26             :   }
      27           0 : }
      28             : 
      29             : already_AddRefed<NativeFontResourceFontconfig>
      30           0 : NativeFontResourceFontconfig::Create(uint8_t *aFontData, uint32_t aDataLength, FT_Library aFTLibrary)
      31             : {
      32           0 :   if (!aFontData || !aDataLength) {
      33           0 :     return nullptr;
      34             :   }
      35           0 :   UniquePtr<uint8_t[]> fontData(new uint8_t[aDataLength]);
      36           0 :   memcpy(fontData.get(), aFontData, aDataLength);
      37             : 
      38           0 :   FT_Face face = Factory::NewFTFaceFromData(aFTLibrary, fontData.get(), aDataLength, 0);
      39           0 :   if (!face) {
      40           0 :     return nullptr;
      41             :   }
      42           0 :   if (FT_Select_Charmap(face, FT_ENCODING_UNICODE) != FT_Err_Ok) {
      43           0 :     Factory::ReleaseFTFace(face);
      44           0 :     return nullptr;
      45             :   }
      46             : 
      47             :   RefPtr<NativeFontResourceFontconfig> resource =
      48           0 :     new NativeFontResourceFontconfig(Move(fontData), face);
      49           0 :   return resource.forget();
      50             : }
      51             : 
      52             : already_AddRefed<UnscaledFont>
      53           0 : NativeFontResourceFontconfig::CreateUnscaledFont(uint32_t aIndex,
      54             :                                                  const uint8_t* aInstanceData, uint32_t aInstanceDataLength)
      55             : {
      56           0 :   RefPtr<UnscaledFont> unscaledFont = new UnscaledFontFontconfig(mFace, this);
      57           0 :   return unscaledFont.forget();
      58             : }
      59             : 
      60             : } // gfx
      61             : } // mozilla