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/*
kopetepicture.cpp - Kopete Picture
Copyright (c) 2005 by Michaël Larouche <michael.larouche@kdemail.net>
Kopete (c) 2002-2005 by the Kopete developers <kopete-devel@kde.org>
*************************************************************************
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
*************************************************************************
*/
#include "kopetepicture.h"
#include <qbuffer.h>
#include <kabc/picture.h>
#include <kmdcodec.h>
#include <kstandarddirs.h>
#include <kdebug.h>
namespace Kopete
{
class Picture::Private : public KShared
{
public:
Private()
{}
QString pictureBase64;
QImage pictureImage;
QString picturePath;
};
Picture::Picture()
: d(new Private)
{
}
Picture::Picture(const QString &path)
: d(new Private)
{
setPicture(path);
}
Picture::Picture(const QImage &image)
: d(new Private)
{
setPicture(image);
}
Picture::Picture(const KABC::Picture &picture)
: d(new Private)
{
setPicture(picture);
}
Picture::Picture(const Picture &other)
: d(other.d)
{}
Picture::~Picture()
{}
Picture &Picture::operator=(const Picture &other)
{
d = other.d;
return *this;
}
QImage Picture::image()
{
// Do the conversion if only needed.
// If the image is null, the path is not empty then.
if( d->pictureImage.isNull() )
{
d->pictureImage = QImage(d->picturePath);
}
return d->pictureImage;
}
QString Picture::base64()
{
if( d->pictureBase64.isEmpty() )
{
// Generate base64 cache for the picture.
QByteArray tempArray;
QBuffer tempBuffer( tempArray );
tempBuffer.open( IO_WriteOnly );
// Make sure it create a image cache.
if( image().save( &tempBuffer, "PNG" ) )
{
d->pictureBase64 = KCodecs::base64Encode(tempArray);
}
}
return d->pictureBase64;
}
QString Picture::path()
{
if( d->picturePath.isEmpty() )
{
// For a image source, finding a filename is tricky.
// I decided to use MD5 Hash as the filename.
QString localPhotoPath;
// Generate MD5 Hash for the image.
QByteArray tempArray;
QBuffer tempBuffer(tempArray);
tempBuffer.open( IO_WriteOnly );
image().save(&tempBuffer, "PNG");
KMD5 context(tempArray);
// Save the image to a file.
localPhotoPath = context.hexDigest() + ".png";
localPhotoPath = locateLocal( "appdata", QString::fromUtf8("metacontactpicturecache/%1").arg( localPhotoPath) );
if( image().save(localPhotoPath, "PNG") )
{
d->picturePath = localPhotoPath;
}
}
return d->picturePath;
}
bool Picture::isNull()
{
if( d->pictureBase64.isEmpty() && d->picturePath.isEmpty() && d->pictureImage.isNull() )
{
return true;
}
else
{
return false;
}
}
void Picture::clear()
{
detach();
d->pictureBase64 = QString::null;
d->picturePath = QString::null;
d->pictureImage = QImage();
}
void Picture::setPicture(const QImage &image)
{
detach();
d->pictureImage = image;
// Clear the path and base64, it will call the update of then when "getted"
d->picturePath= QString::null;
d->pictureBase64 = QString::null;
}
void Picture::setPicture(const QString &path)
{
detach();
d->picturePath = path;
// Clear the image and base64, it will call the update of then when "getted"
d->pictureImage = QImage();
d->pictureBase64 = QString::null;
}
void Picture::setPicture(const KABC::Picture &picture)
{
// No need to call detach() here because setPicture will do it.
if ( picture.isIntern())
{
setPicture( picture.data() );
}
else
{
setPicture( picture.url() );
}
}
void Picture::detach()
{
// there is no detach in KSharedPtr.
if( d.count() == 1 )
return;
// Warning: this only works as long as the private object doesn't contain pointers to allocated objects.
d = new Private(*d);
}
} // END namespace Kopete
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