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Code Issues Releases Wiki Activity

* Add a QPixmap-cache to the TreeView delegate.

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This commit is contained in:
Christian Muehlhaeuser
2011-07-25 03:55:02 +02:00
parent d4ccbdfa56
commit 1a3cae012e
2 changed files with 13 additions and 1 deletions
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12
src/libtomahawk/playlist/treeitemdelegate.cpp
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@@ -133,8 +133,18 @@ TreeItemDelegate::paint( QPainter* painter, const QStyleOptionViewItem& option,
QRect r = option.rect.adjusted( 4, 4, -option.rect.width() + option.rect.height() - 4, -4 ); QRect r = option.rect.adjusted( 4, 4, -option.rect.width() + option.rect.height() - 4, -4 );
// painter->drawPixmap( r, QPixmap( RESPATH "images/cover-shadow.png" ) ); // painter->drawPixmap( r, QPixmap( RESPATH "images/cover-shadow.png" ) );
QPixmap scover;
QPixmap cover = item->cover.isNull() ? m_defaultCover : item->cover; QPixmap cover = item->cover.isNull() ? m_defaultCover : item->cover;
painter->drawPixmap( r, cover.scaled( r.size(), Qt::KeepAspectRatio, Qt::SmoothTransformation ) ); if ( m_cache.contains( cover.cacheKey() ) )
{
scover = m_cache.value( cover.cacheKey() );
}
else
{
scover = cover.scaled( r.size(), Qt::KeepAspectRatio, Qt::SmoothTransformation );
m_cache.insert( cover.cacheKey(), scover );
}
painter->drawPixmap( r, scover );
QTextOption to; QTextOption to;
to.setAlignment( Qt::AlignVCenter ); to.setAlignment( Qt::AlignVCenter );

2
src/libtomahawk/playlist/treeitemdelegate.h
View File

@@ -43,6 +43,8 @@ private:
ArtistView* m_view; ArtistView* m_view;
TreeProxyModel* m_model; TreeProxyModel* m_model;
mutable QHash< qint64, QPixmap > m_cache;
QPixmap m_nowPlayingIcon; QPixmap m_nowPlayingIcon;
QPixmap m_defaultCover; QPixmap m_defaultCover;
}; };