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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"stylerecord.h"
     22 #include"a_atomdefs.h"
     23 
     24 PVA_FF_StyleRecord::PVA_FF_StyleRecord() : PVA_FF_Atom(FourCharConstToUint32('t', 't', 's', 's'))
     25 {
     26     _startChar = 0;
     27     _endChar = 0;
     28     _fontID = 0;
     29     _fontStyleFlags = 0;
     30     _fontSize = 0;
     31     _pRGBA = NULL;
     32     recomputeSize();
     33 }
     34 
     35 PVA_FF_StyleRecord::PVA_FF_StyleRecord(uint16 StartChar, uint16 EndChar, uint16 FontID, uint8 FontSizeFlag, uint8 FontSize, uint8* Trgba)
     36         : PVA_FF_Atom(FourCharConstToUint32('t', 't', 's', 's'))
     37 {
     38     _endChar = 0;
     39     _fontID = 0;
     40     _fontStyleFlags = 0;
     41     _fontSize = 0;
     42     _pRGBA = NULL;
     43     setStartChar(StartChar);
     44     setEndChar(EndChar);
     45     setFontID(FontID);
     46     setFontStyleFlags(FontSizeFlag);
     47     setFontSize(FontSize);
     48     setTextColourRGBA(Trgba);
     49 
     50     recomputeSize();
     51 }
     52 void PVA_FF_StyleRecord::setStartChar(uint16 startchar)
     53 {
     54     if (_startChar == 0)
     55     {
     56         _startChar = startchar;
     57     }
     58 }
     59 
     60 void PVA_FF_StyleRecord::setEndChar(uint16 endchar)
     61 {
     62     if (_endChar == 0)
     63     {
     64         _endChar = endchar;
     65     }
     66 }
     67 
     68 void PVA_FF_StyleRecord::setFontID(uint16 FontID)
     69 {
     70     if (_fontID == 0)
     71     {
     72         _fontID = FontID;
     73     }
     74 }
     75 
     76 void PVA_FF_StyleRecord::setFontStyleFlags(uint8 flag)
     77 {
     78     if (_fontStyleFlags == 0)
     79     {
     80         _fontStyleFlags = flag;
     81     }
     82 }
     83 
     84 void PVA_FF_StyleRecord::setFontSize(uint8 FontSize)
     85 {
     86     if (_fontSize == 0)
     87     {
     88         _fontSize = FontSize;
     89     }
     90 }
     91 
     92 void PVA_FF_StyleRecord::setTextColourRGBA(uint8* RGBA)
     93 {
     94     if (_pRGBA == NULL)
     95     {
     96         _pRGBA = (uint8 *)(OSCL_MALLOC(4 * sizeof(uint8)));
     97         _pRGBA[0] = RGBA[0];
     98         _pRGBA[1] = RGBA[1];
     99         _pRGBA[2] = RGBA[2];
    100         _pRGBA[3] = RGBA[3];
    101     }
    102 
    103 }
    104 
    105 
    106 bool PVA_FF_StyleRecord::renderToFileStream(MP4_AUTHOR_FF_FILE_IO_WRAP *fp)
    107 {
    108     int32 rendered = 0;
    109 
    110     if (!PVA_FF_AtomUtils::render16(fp, _startChar))
    111     {
    112         return false;
    113     }
    114     rendered += 2;
    115     if (!PVA_FF_AtomUtils::render16(fp, _endChar))
    116     {
    117         return false;
    118     }
    119     rendered += 2;
    120     if (!PVA_FF_AtomUtils::render16(fp, _fontID))
    121     {
    122         return false;
    123     }
    124     rendered += 2;
    125     if (!PVA_FF_AtomUtils::render8(fp, _fontStyleFlags))
    126     {
    127         return false;
    128     }
    129     rendered += 1;
    130     if (!PVA_FF_AtomUtils::render8(fp, _fontSize))
    131     {
    132         return false;
    133     }
    134     rendered += 1;
    135     if (!PVA_FF_AtomUtils::renderByteData(fp, 4, (uint8 *)_pRGBA))
    136     {
    137         return false;
    138     }
    139     rendered  += 4;
    140 
    141 
    142     return true;
    143 }
    144 
    145 void PVA_FF_StyleRecord::recomputeSize()
    146 {
    147     int32 size = 0;
    148 
    149     size += 2;
    150     size += 2;
    151     size += 2;
    152     size += 1;
    153     size += 1;
    154     size += 4;
    155 
    156     _size = size;
    157 
    158     // Update size of parent
    159     if (_pparent != NULL)
    160     {
    161         _pparent->recomputeSize();
    162     }
    163 }
    164 
    165 uint32 PVA_FF_StyleRecord::getSize()
    166 {
    167     recomputeSize();
    168     return (_size);
    169 }
    170 
    171 // Destructor
    172 PVA_FF_StyleRecord::~PVA_FF_StyleRecord()
    173 {
    174     if (_pRGBA)
    175     {
    176         OSCL_FREE(_pRGBA);
    177         _pRGBA = NULL;
    178     }
    179 }
    180