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Add Metadata::customIconScaledPixmap().

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This commit is contained in:
Felix Geyer 2016-01-24 18:42:27 +01:00
parent 4752adf9d3
commit 1f33e6f044
2 changed files with 24 additions and 0 deletions
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22
src/core/Metadata.cpp
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@ -185,6 +185,25 @@ QPixmap Metadata::customIconPixmap(const Uuid& uuid) const
return pixmap;
}
QPixmap Metadata::customIconScaledPixmap(const Uuid& uuid) const
{
QPixmap pixmap;
if (!m_customIcons.contains(uuid)) {
return pixmap;
}
QPixmapCache::Key& cacheKey = m_customIconScaledCacheKeys[uuid];
if (!QPixmapCache::find(cacheKey, &pixmap)) {
QImage image = m_customIcons.value(uuid).scaled(16, 16, Qt::KeepAspectRatio, Qt::SmoothTransformation);
pixmap = QPixmap::fromImage(image);
cacheKey = QPixmapCache::insert(pixmap);
}
return pixmap;
}
bool Metadata::containsCustomIcon(const Uuid& uuid) const
{
return m_customIcons.contains(uuid);
@ -358,6 +377,7 @@ void Metadata::addCustomIcon(const Uuid& uuid, const QImage& icon)
m_customIcons.insert(uuid, icon);
// reset cache in case there is also an icon with that uuid
m_customIconCacheKeys[uuid] = QPixmapCache::Key();
m_customIconScaledCacheKeys[uuid] = QPixmapCache::Key();
m_customIconsOrder.append(uuid);
Q_ASSERT(m_customIcons.count() == m_customIconsOrder.count());
Q_EMIT modified();
@ -387,6 +407,8 @@ void Metadata::removeCustomIcon(const Uuid& uuid)
m_customIcons.remove(uuid);
QPixmapCache::remove(m_customIconCacheKeys.value(uuid));
m_customIconCacheKeys.remove(uuid);
QPixmapCache::remove(m_customIconScaledCacheKeys.value(uuid));
m_customIconScaledCacheKeys.remove(uuid);
m_customIconsOrder.removeAll(uuid);
Q_ASSERT(m_customIcons.count() == m_customIconsOrder.count());
Q_EMIT modified();

2
src/core/Metadata.h
View File

@ -81,6 +81,7 @@ public:
// bool autoEnableVisualHiding() const;
QImage customIcon(const Uuid& uuid) const;
QPixmap customIconPixmap(const Uuid& uuid) const;
QPixmap customIconScaledPixmap(const Uuid& uuid) const;
bool containsCustomIcon(const Uuid& uuid) const;
QHash<Uuid, QImage> customIcons() const;
QList<Uuid> customIconsOrder() const;
@ -157,6 +158,7 @@ private:
QHash<Uuid, QImage> m_customIcons;
mutable QHash<Uuid, QPixmapCache::Key> m_customIconCacheKeys;
mutable QHash<Uuid, QPixmapCache::Key> m_customIconScaledCacheKeys;
QList<Uuid> m_customIconsOrder;
QPointer<Group> m_recycleBin;