/*
 * (c) Copyright Ascensio System SIA 2010-2023
 *
 * This program is a free software product. You can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License (AGPL)
 * version 3 as published by the Free Software Foundation. In accordance with
 * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
 * that Ascensio System SIA expressly excludes the warranty of non-infringement
 * of any third-party rights.
 *
 * This program is distributed WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR  PURPOSE. For
 * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish
 * street, Riga, Latvia, EU, LV-1050.
 *
 * The  interactive user interfaces in modified source and object code versions
 * of the Program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU AGPL version 3.
 *
 * Pursuant to Section 7(b) of the License you must retain the original Product
 * logo when distributing the program. Pursuant to Section 7(e) we decline to
 * grant you any rights under trademark law for use of our trademarks.
 *
 * All the Product's GUI elements, including illustrations and icon sets, as
 * well as technical writing content are licensed under the terms of the
 * Creative Commons Attribution-ShareAlike 4.0 International. See the License
 * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 */
#include "FontEntityAtom.h"

using namespace PPT;

void CRecordFontEntityAtom::ReadFromStream(SRecordHeader &oHeader, POLE::Stream *pStream)
{
    m_oHeader = oHeader;

    //face name - utf16 string with 0, 64 bytes always allocated
    unsigned char utf16FaceName[64+2] = {};

    POLE::uint64 lReadByte = pStream->read(utf16FaceName, 64);

    if (sizeof(wchar_t) == 4)
    {
        ULONG lLen  = 0;
        for (lLen = 0; lLen < lReadByte; lLen +=2)
            if (utf16FaceName[lLen] == 0)break;

        lLen/=2;

        UTF32 *pStrUtf32 = new UTF32 [lLen + 1];
        pStrUtf32[lLen] = 0 ;

        const	UTF16 *pStrUtf16_Conv = (const UTF16 *) utf16FaceName;
                UTF32 *pStrUtf32_Conv =                 pStrUtf32;

         if (conversionOK == ConvertUTF16toUTF32 ( &pStrUtf16_Conv, &pStrUtf16_Conv[lLen]
                                           , &pStrUtf32_Conv, &pStrUtf32 [lLen]
                                           , strictConversion))
        {
            m_strFaceName = std::wstring((wchar_t*)pStrUtf32/*, lLen*/);
        }
        delete [] pStrUtf32;
     }
    else
    {
        m_strFaceName = std::wstring((wchar_t*)utf16FaceName/*, lReadByte/2*/); // по факту .. нули нам не нужны
    }
    m_lfCharSet = StreamUtils::ReadBYTE(pStream);

    BYTE Mem = 0;
    Mem = StreamUtils::ReadBYTE(pStream);
    m_bEmbedSubsetted = ((Mem & 0x01) == 0x01);

    Mem = 0;
    Mem = StreamUtils::ReadBYTE(pStream);

    m_bIsRaster = ((Mem & 0x01) == 0x01);
    m_bIsDevice = ((Mem & 0x02) == 0x02);
    m_bIsTrueType = ((Mem & 0x04) == 0x04);
    m_bIsNoFontSubstitution = ((Mem & 0x08) == 0x08);

    m_lfPitchAndFamily = StreamUtils::ReadBYTE(pStream);
}

void CRecordFontEmbedDataBlob::ReadFromStream(SRecordHeader &oHeader, POLE::Stream *pStream)
{
    m_oHeader = oHeader;

    data = std::make_pair(boost::shared_array<unsigned char>(new unsigned char[m_oHeader.RecLen]), m_oHeader.RecLen);
    pStream->read(data.first.get(), data.second);
}