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/**************************************************************************
copyright : (C) 2010 by Anton Sergunov
email : setosha@gmail.com
**************************************************************************/
/***************************************************************************
* This library is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License version *
* 2.1 as published by the Free Software Foundation. *
* *
* This library is distributed in the hope that it will be useful, but *
* WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *
* Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public *
* License along with this library; if not, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA *
* 02110-1301 USA *
* *
* Alternatively, this file is available under the Mozilla Public *
* License Version 1.1. You may obtain a copy of the License at *
* http://www.mozilla.org/MPL/ *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <taglib.h>
#include <tdebug.h>
#include "asfattribute.h"
#include "asffile.h"
#include "asfpicture.h"
using namespace TagLib;
class ASF::Picture::PicturePriavte : public RefCounter
{
public:
bool valid;
Type type;
String mimeType;
String description;
ByteVector picture;
};
////////////////////////////////////////////////////////////////////////////////
// Picture class members
////////////////////////////////////////////////////////////////////////////////
ASF::Picture::Picture()
{
d = new PicturePriavte();
d->valid = true;
}
ASF::Picture::Picture(const Picture& other)
: d(other.d)
{
d->ref();
}
ASF::Picture::~Picture()
{
if(d->deref())
delete d;
}
bool ASF::Picture::isValid() const
{
return d->valid;
}
String ASF::Picture::mimeType() const
{
return d->mimeType;
}
void ASF::Picture::setMimeType(const String &value)
{
d->mimeType = value;
}
ASF::Picture::Type ASF::Picture::type() const
{
return d->type;
}
void ASF::Picture::setType(const ASF::Picture::Type& t)
{
d->type = t;
}
String ASF::Picture::description() const
{
return d->description;
}
void ASF::Picture::setDescription(const String &desc)
{
d->description = desc;
}
ByteVector ASF::Picture::picture() const
{
return d->picture;
}
void ASF::Picture::setPicture(const ByteVector &p)
{
d->picture = p;
}
int ASF::Picture::dataSize() const
{
return
9 + (d->mimeType.length() + d->description.length()) * 2 +
d->picture.size();
}
ASF::Picture& ASF::Picture::operator=(const ASF::Picture& other)
{
if(other.d != d) {
if(d->deref())
delete d;
d = other.d;
d->ref();
}
return *this;
}
ByteVector ASF::Picture::render() const
{
if(!isValid())
return ByteVector::null;
return
ByteVector((char)d->type) +
ByteVector::fromUInt(d->picture.size(), false) +
ASF::File::renderString(d->mimeType) +
ASF::File::renderString(d->description) +
d->picture;
}
void ASF::Picture::parse(const ByteVector& bytes)
{
d->valid = false;
if(bytes.size() < 9)
return;
int pos = 0;
d->type = (Type)bytes[0]; ++pos;
uint dataLen = bytes.mid(pos, 4).toUInt(false); pos+=4;
const ByteVector nullStringTerminator(2, 0);
int endPos = bytes.find(nullStringTerminator, pos, 2);
if(endPos < 0)
return;
d->mimeType = String(bytes.mid(pos, endPos - pos), String::UTF16LE);
pos = endPos+2;
endPos = bytes.find(nullStringTerminator, pos, 2);
if(endPos < 0)
return;
d->description = String(bytes.mid(pos, endPos - pos), String::UTF16LE);
pos = endPos+2;
if(dataLen + pos != bytes.size())
return;
d->picture = bytes.mid(pos, dataLen);
d->valid = true;
return;
}
ASF::Picture ASF::Picture::fromInvalid()
{
Picture ret;
ret.d->valid = false;
return ret;
}
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