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      1 /* ------------------------------------------------------------------
      2  * Copyright (C) 1998-2009 PacketVideo
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
     13  * express or implied.
     14  * See the License for the specific language governing permissions
     15  * and limitations under the License.
     16  * -------------------------------------------------------------------
     17  */
     18 #include "atom.h"
     19 #include "atomutils.h"
     20 #include "oscl_file_io.h"
     21 #include "fontrecord.h"
     22 #include "fonttableatom.h"
     23 #include"a_atomdefs.h"
     24 
     25 #define MAX_ALLOWED_FONT_RECORD_ENTRIES 255
     26 
     27 typedef Oscl_Vector<PVA_FF_FontRecord*, OsclMemAllocator> fontRecordVecType;
     28 
     29 PVA_FF_FontTableAtom::PVA_FF_FontTableAtom() : PVA_FF_Atom(FourCharConstToUint32('f', 't', 'a', 'b'))
     30 {
     31     _fontlistsize = 0;
     32     _pFontRecordArray = NULL;
     33     PV_MP4_FF_NEW(fp->auditCB, fontRecordVecType, (), _pFontRecordArray);
     34     recomputeSize();
     35 }
     36 
     37 void PVA_FF_FontTableAtom::setFontListSize(uint16 FontListSize)
     38 {
     39     if (_fontlistsize == 0)
     40     {
     41         _fontlistsize = FontListSize;
     42     }
     43 
     44 }
     45 
     46 void PVA_FF_FontTableAtom::setFontRecord(uint16 FontListID, uint16 FontId, int8 FontLength, uint8* FontName)
     47 {
     48 
     49     int16 tmp = (int16)_fontlistsize;
     50     if ((tmp < 0) || (tmp > MAX_ALLOWED_FONT_RECORD_ENTRIES))
     51     {
     52         return;
     53     }
     54     for (uint32 i = 0; i  <  _fontlistsize;  i++)
     55     {
     56         PVA_FF_FontRecord *rec = NULL;
     57         PV_MP4_FF_NEW(fp->auditCB, PVA_FF_FontRecord, (FontListID, FontId, FontLength, FontName), rec);
     58 
     59         (*_pFontRecordArray).push_back(rec);
     60     }
     61 
     62 }
     63 
     64 
     65 bool PVA_FF_FontTableAtom::renderToFileStream(MP4_AUTHOR_FF_FILE_IO_WRAP *fp)
     66 {
     67     int32 rendered = 0;
     68     uint32 length;
     69 
     70     if (!renderAtomBaseMembers(fp))
     71     {
     72         return false;
     73     }
     74     rendered += getDefaultSize();
     75 
     76     if (!PVA_FF_AtomUtils::render16(fp, _fontlistsize))
     77     {
     78         return false;
     79     }
     80     rendered += 2;
     81 
     82     for (uint32 i = 0; i < _pFontRecordArray->size(); i++)
     83     {
     84         length = (*_pFontRecordArray)[i]->getSize();
     85         if (!((*_pFontRecordArray)[i]->renderToFileStream(fp)))
     86         {
     87             return false;
     88         }
     89 
     90         rendered  += length;
     91     }
     92 
     93 
     94     return true;
     95 }
     96 
     97 void PVA_FF_FontTableAtom::recomputeSize()
     98 {
     99     uint32 length;
    100     int32 size = getDefaultSize();
    101 
    102     size += 2;
    103     for (uint32 i = 0; i < _pFontRecordArray->size(); i++)
    104     {
    105         length = (*_pFontRecordArray)[i]->getSize();
    106         size += length;
    107     }
    108 
    109 
    110     _size = size;
    111 
    112     // Update size of parent
    113     if (_pparent != NULL)
    114     {
    115         _pparent->recomputeSize();
    116     }
    117 }
    118 
    119 uint32 PVA_FF_FontTableAtom::getSize()
    120 {
    121     recomputeSize();
    122     return (_size);
    123 }
    124 
    125 
    126 // Destructor
    127 PVA_FF_FontTableAtom::~PVA_FF_FontTableAtom()
    128 {
    129 
    130     if (_pFontRecordArray != NULL)
    131     {
    132         for (uint32 i = 0; i < _pFontRecordArray->size(); i++)
    133         {
    134             delete((*_pFontRecordArray)[i]);
    135         }
    136         PV_MP4_FF_TEMPLATED_DELETE(NULL, fontRecordVecType, Oscl_Vector, _pFontRecordArray);
    137     }
    138 
    139 }
    140