本文整理汇总了C++中TileId::toString方法的典型用法代码示例。如果您正苦于以下问题：C++ TileId::toString方法的具体用法？C++ TileId::toString怎么用？C++ TileId::toString使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类TileId的用法示例。
在下文中一共展示了TileId::toString方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: loadTile
const StackedTile* StackedTileLoader::loadTile( TileId const & stackedTileId )
{
// check if the tile is in the hash
d->m_cacheLock.lockForRead();
StackedTile * stackedTile = d->m_tilesOnDisplay.value( stackedTileId, 0 );
d->m_cacheLock.unlock();
if ( stackedTile ) {
stackedTile->setUsed( true );
return stackedTile;
}
// here ends the performance critical section of this method
d->m_cacheLock.lockForWrite();
// has another thread loaded our tile due to a race condition?
stackedTile = d->m_tilesOnDisplay.value( stackedTileId, 0 );
if ( stackedTile ) {
stackedTile->setUsed( true );
d->m_cacheLock.unlock();
return stackedTile;
}
mDebug() << "StackedTileLoader::loadTile" << stackedTileId.toString();
// the tile was not in the hash so check if it is in the cache
stackedTile = d->m_tileCache.take( stackedTileId );
if ( stackedTile ) {
stackedTile->setUsed( true );
d->m_tilesOnDisplay[ stackedTileId ] = stackedTile;
d->m_cacheLock.unlock();
return stackedTile;
}
// tile (valid) has not been found in hash or cache, so load it from disk
// and place it in the hash from where it will get transferred to the cache
// mDebug() << "load Tile from Disk: " << stackedTileId.toString();
QVector<QSharedPointer<TextureTile> > tiles;
QVector<GeoSceneTexture const *> const textureLayers = d->findRelevantTextureLayers( stackedTileId );
QVector<GeoSceneTexture const *>::const_iterator pos = textureLayers.constBegin();
QVector<GeoSceneTexture const *>::const_iterator const end = textureLayers.constEnd();
for (; pos != end; ++pos ) {
GeoSceneTexture const * const textureLayer = *pos;
TileId const tileId( textureLayer->sourceDir(), stackedTileId.zoomLevel(),
stackedTileId.x(), stackedTileId.y() );
mDebug() << "StackedTileLoader::loadTile: tile" << textureLayer->sourceDir()
<< tileId.toString() << textureLayer->tileSize();
const QImage tileImage = d->m_tileLoader->loadTile( tileId, DownloadBrowse );
const Blending *blending = d->m_blendingFactory.findBlending( textureLayer->blending() );
if ( blending == 0 && !textureLayer->blending().isEmpty() ) {
mDebug() << Q_FUNC_INFO << "could not find blending" << textureLayer->blending();
}
QSharedPointer<TextureTile> tile( new TextureTile( tileId, tileImage, blending ) );
tiles.append( tile );
}
Q_ASSERT( !tiles.isEmpty() );
const QImage resultImage = d->m_layerDecorator.merge( stackedTileId, tiles );
stackedTile = new StackedTile( stackedTileId, resultImage, tiles );
stackedTile->setUsed( true );
d->m_tilesOnDisplay[ stackedTileId ] = stackedTile;
d->m_cacheLock.unlock();
return stackedTile;
}