QPixmap ImageManager::getImage(const QString& host, const QString& url)
{
//qDebug() << "ImageManager::getImage";
QPixmap pm;
//pm.fill(Qt::black);
//is image cached (memory) or currently loading?
if (!QPixmapCache::find(url, pm) && !net->imageIsLoading(url))
// if (!images.contains(url) && !net->imageIsLoading(url))
{
//image cached (persistent)?
if (doPersistentCaching && tileExist(url))
{
loadTile(url,pm);
QPixmapCache::insert(url.toAscii().toBase64(), pm);
}
else
{
//load from net, add empty image
net->loadImage(host, url);
//QPixmapCache::insert(url, emptyPixmap);
return emptyPixmap;
}
}
return pm;
}
QPixmap ImageManager::getImage(const QString& host, const QString& url)
{
//qDebug() << "ImageManager::getImage";
QPixmap pm;
if ( net->imageIsLoading(url) )
{
//currently loading an image
return loadingPixmap;
}
else if ( QPixmapCache::find( md5hex(url), &pm) )
{
//image found in cache, use this version
return pm;
}
else if ( doPersistentCaching ) //image disk-caching (persistent) enabled
{
if ( tileExist(url) &&
!tileCacheExpired(url) )
{
loadTile(url,pm);
QPixmapCache::insert(md5hex(url), pm);
return pm;
}
else
{
//no file yet, go and request an image
net->loadImage(host, url);
}
}
//is image cached (memory)
else if ( QPixmapCache::find(md5hex(url), &pm) &&
!pm.isNull() )
{
//we had a valid copy cached in memory (not disk) so return this
return pm;
}
else
{
//load from net, add empty image
net->loadImage(host, url);
}
return emptyPixmap;
}
bool MapDownloader::downloadTile(int x,int y, int z)
{
if( mapAdapter->isValid(x,y,z) )
{
if (tileExist( mapAdapter->query(x, y, z)) )
return true;
downloadListx->append(x);
downloadListy->append(y);
downloadListz->append(z);
tilesDownloadCount++;
return true;
}
else
{
qDebug()<<"error download tile "<<mapAdapter->query(x, y, z);
return false;
}
}
void ImageManager::receivedImage(const QPixmap pixmap, const QString& url)
{
//qDebug() << "ImageManager::receivedImage";
QPixmapCache::insert(md5hex(url), pixmap);
if (doPersistentCaching && !tileExist(url))
{
saveTile(url,pixmap);
}
if (!prefetch.contains(url))
{
emit(imageReceived());
}
else
{
#if defined Q_WS_QWS || defined Q_WS_MAEMO_5 || defined Q_WS_S60
prefetch.remove(prefetch.indexOf(url));
#endif
}
}
void ImageManager::receivedImage(const QPixmap pixmap, const QString& url)
{
//qDebug() << "ImageManager::receivedImage";
QPixmapCache::insert(url, pixmap);
//images[url] = pixmap;
// needed?
if (doPersistentCaching && !tileExist(url) )
saveTile(url,pixmap);
//((Layer*)this->parent())->imageReceived();
if (!prefetch.contains(url))
{
emit(imageReceived());
}
else
{
#if defined Q_WS_QWS || defined Q_WS_MAEMO_5 || defined Q_WS_S60
prefetch.remove(prefetch.indexOf(url));
#endif
}
}
