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koffice/lib/kofficecore/KoPicture.cpp

291 lines
6.5 KiB

/* This file is part of the KDE project
Copyright (c) 2001 Simon Hausmann <hausmann@kde.org>
Copyright (C) 2002, 2003 Nicolas GOUTTE <goutte@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <qpainter.h>
#include <qfile.h>
#include <kdebug.h>
#include <kurl.h>
#include <kio/netaccess.h>
#include "KoPictureKey.h"
#include "KoPictureBase.h"
#include "KoPictureShared.h"
#include "KoPicture.h"
uint KoPicture::uniqueValue = 0;
KoPicture::KoPicture(void) : m_sharedData(NULL)
{
m_uniqueName = "Pictures"+ QString::number(uniqueValue++);
}
KoPicture::~KoPicture(void)
{
unlinkSharedData();
}
QString KoPicture::uniqueName() const
{
return m_uniqueName;
}
KoPicture::KoPicture(const KoPicture &other)
{
m_sharedData=NULL;
(*this)=other;
}
void KoPicture::assignPictureId( uint _id)
{
if ( m_sharedData )
m_sharedData->assignPictureId(_id);
}
QString KoPicture::uniquePictureId() const
{
if ( m_sharedData )
return m_sharedData->uniquePictureId();
else
return QString::null;
}
KoPicture& KoPicture::operator=( const KoPicture &other )
{
//kdDebug(30003) << "KoPicture::= before" << endl;
if (other.m_sharedData)
other.linkSharedData();
if (m_sharedData)
unlinkSharedData();
m_sharedData=other.m_sharedData;
m_key=other.m_key;
//kdDebug(30003) << "KoPicture::= after" << endl;
return *this;
}
void KoPicture::unlinkSharedData(void)
{
if (m_sharedData && m_sharedData->deref())
delete m_sharedData;
m_sharedData=NULL;
}
void KoPicture::linkSharedData(void) const
{
if (m_sharedData)
m_sharedData->ref();
}
void KoPicture::createSharedData(void)
{
if (!m_sharedData)
{
m_sharedData=new KoPictureShared();
// Do not call m_sharedData->ref()
}
}
KoPictureType::Type KoPicture::getType(void) const
{
if (m_sharedData)
return m_sharedData->getType();
return KoPictureType::TypeUnknown;
}
KoPictureKey KoPicture::getKey(void) const
{
return m_key;
}
void KoPicture::setKey(const KoPictureKey& key)
{
m_key=key;
}
bool KoPicture::isNull(void) const
{
if (m_sharedData)
return m_sharedData->isNull();
return true;
}
void KoPicture::draw(QPainter& painter, int x, int y, int width, int height, int sx, int sy, int sw, int sh, bool fastMode)
{
if (m_sharedData)
m_sharedData->draw(painter, x, y, width, height, sx, sy, sw, sh, fastMode);
else
{
// Draw a white box
kdWarning(30003) << "Drawing white rectangle! (KoPicture::draw)" << endl;
painter.save();
painter.setBrush(QColor(255, 255, 255));
painter.drawRect(x,y,width,height);
painter.restore();
}
}
bool KoPicture::loadXpm(QIODevice* io)
{
kdDebug(30003) << "KoPicture::loadXpm" << endl;
if (!io)
{
kdError(30003) << "No QIODevice!" << endl;
return false;
}
createSharedData();
return m_sharedData->loadXpm(io);
}
bool KoPicture::save(QIODevice* io) const
{
if (!io)
return false;
if (m_sharedData)
return m_sharedData->save(io);
return false;
}
bool KoPicture::saveAsBase64( KoXmlWriter& writer ) const
{
if ( m_sharedData )
return m_sharedData->saveAsBase64( writer );
return false;
}
void KoPicture::clear(void)
{
unlinkSharedData();
}
void KoPicture::clearAndSetMode(const QString& newMode)
{
createSharedData();
m_sharedData->clearAndSetMode(newMode);
}
QString KoPicture::getExtension(void) const
{
if (m_sharedData)
return m_sharedData->getExtension();
return "null"; // Just a dummy
}
QString KoPicture::getMimeType(void) const
{
if (m_sharedData)
return m_sharedData->getMimeType();
return QString(NULL_MIME_TYPE);
}
bool KoPicture::load(QIODevice* io, const QString& extension)
{
kdDebug(30003) << "KoPicture::load(QIODevice*, const QString&) " << extension << endl;
createSharedData();
return m_sharedData->load(io,extension);
}
bool KoPicture::loadFromFile(const QString& fileName)
{
kdDebug(30003) << "KoPicture::loadFromFile " << fileName << endl;
createSharedData();
return m_sharedData->loadFromFile(fileName);
}
bool KoPicture::loadFromBase64( const QCString& str )
{
createSharedData();
return m_sharedData->loadFromBase64( str );
}
QSize KoPicture::getOriginalSize(void) const
{
if (m_sharedData)
return m_sharedData->getOriginalSize();
return QSize(0,0);
}
QPixmap KoPicture::generatePixmap(const QSize& size, bool smoothScale)
{
if (m_sharedData)
return m_sharedData->generatePixmap(size, smoothScale);
return QPixmap();
}
bool KoPicture::setKeyAndDownloadPicture(const KURL& url, QWidget *window)
{
bool result=false;
QString tmpFileName;
if ( KIO::NetAccess::download(url, tmpFileName, window) )
{
KoPictureKey key;
key.setKeyFromFile( tmpFileName );
setKey( key );
result=loadFromFile( tmpFileName );
KIO::NetAccess::removeTempFile( tmpFileName );
}
return result;
}
QDragObject* KoPicture::dragObject( QWidget *dragSource, const char *name )
{
if (m_sharedData)
return m_sharedData->dragObject( dragSource, name );
return 0L;
}
QImage KoPicture::generateImage(const QSize& size)
{
if (m_sharedData)
return m_sharedData->generateImage( size );
return QImage();
}
bool KoPicture::hasAlphaBuffer() const
{
if (m_sharedData)
return m_sharedData->hasAlphaBuffer();
return false;
}
void KoPicture::setAlphaBuffer(bool enable)
{
if (m_sharedData)
m_sharedData->setAlphaBuffer(enable);
}
QImage KoPicture::createAlphaMask(int conversion_flags) const
{
if (m_sharedData)
return m_sharedData->createAlphaMask(conversion_flags);
return QImage();
}
void KoPicture::clearCache(void)
{
if (m_sharedData)
m_sharedData->clearCache();
}