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kcms/icons/iconthemes.cpp
| Show First 20 Lines • Show All 91 Lines • ▼ Show 20 Line(s) | 390 | if (selectedtheme == KIconTheme::current() || | |||
|---|---|---|---|---|---|
| 391 | selectedtheme == KIconTheme::defaultThemeName()) | 391 | selectedtheme == KIconTheme::defaultThemeName()) | ||
| 392 | enabled = false; | 392 | enabled = false; | ||
| 393 | } | 393 | } | ||
| 394 | m_removeButton->setEnabled(enabled); | 394 | m_removeButton->setEnabled(enabled); | ||
| 395 | } | 395 | } | ||
| 396 | 396 | | |||
| 397 | void loadPreview(QLabel *label, KIconTheme& icontheme, const QStringList& iconnames) | 397 | void loadPreview(QLabel *label, KIconTheme& icontheme, const QStringList& iconnames) | ||
| 398 | { | 398 | { | ||
| 399 | const qreal dpr = label->devicePixelRatioF(); | ||||
| 400 | | ||||
| 399 | //Given the icontheme loads a preview of an icon (several names are allowed for old theme standards) into the pixmap of the given label | 401 | //Given the icontheme loads a preview of an icon (several names are allowed for old theme standards) into the pixmap of the given label | ||
| 400 | const int size = qMin(48, icontheme.defaultSize(KIconLoader::Desktop)); | 402 | const int size = qMin(48, icontheme.defaultSize(KIconLoader::Desktop)) * dpr; | ||
| 401 | QSvgRenderer renderer; | 403 | QSvgRenderer renderer; | ||
| 402 | foreach(const QString &iconthemename, QStringList() << icontheme.internalName() << icontheme.inherits()) { | 404 | foreach(const QString &iconthemename, QStringList() << icontheme.internalName() << icontheme.inherits()) { | ||
| 403 | foreach(const QString &name, iconnames) { | 405 | foreach(const QString &name, iconnames) { | ||
| 404 | //load the icon image | 406 | //load the icon image | ||
| 405 | QString path = KIconTheme(iconthemename).iconPath(QStringLiteral("%1.png").arg(name), size, KIconLoader::MatchBest); | 407 | QString path = KIconTheme(iconthemename).iconPath(QStringLiteral("%1.png").arg(name), size, KIconLoader::MatchBest); | ||
| 406 | if (path != QString()) { | 408 | if (path != QString()) { | ||
| 407 | label->setPixmap(QPixmap(path).scaled(size, size)); | 409 | QPixmap pixmap(path); | ||
| 410 | pixmap.setDevicePixelRatio(dpr); | ||||
| 411 | label->setPixmap(pixmap.scaled(size, size)); | ||||
| 408 | return; | 412 | return; | ||
| 409 | } | 413 | } | ||
| 410 | //could not find the .png, try loading the .svg or .svgz | 414 | //could not find the .png, try loading the .svg or .svgz | ||
| 411 | path = KIconTheme(iconthemename).iconPath(QStringLiteral("%1.svg").arg(name), size, KIconLoader::MatchBest); | 415 | path = KIconTheme(iconthemename).iconPath(QStringLiteral("%1.svg").arg(name), size, KIconLoader::MatchBest); | ||
| 412 | if( path == QString() ) { | 416 | if( path == QString() ) { | ||
| 413 | path = KIconTheme(iconthemename).iconPath(QStringLiteral("%1.svgz").arg(name), size, KIconLoader::MatchBest); | 417 | path = KIconTheme(iconthemename).iconPath(QStringLiteral("%1.svgz").arg(name), size, KIconLoader::MatchBest); | ||
| 414 | if( path == QString() ) { | 418 | if( path == QString() ) { | ||
| 415 | continue; | 419 | continue; | ||
| 416 | } | 420 | } | ||
| 417 | } | 421 | } | ||
| 418 | if (renderer.load(path)) { | 422 | if (renderer.load(path)) { | ||
| 419 | QPixmap pix(size, size); | 423 | QPixmap pix(size * dpr, size * dpr); | ||
| 420 | pix.fill(label->palette().color(QPalette::Background)); | 424 | pix.setDevicePixelRatio(dpr); | ||
| 425 | pix.fill(QColor(Qt::transparent)); | ||||
| 421 | QPainter p(&pix); | 426 | QPainter p(&pix); | ||
| 422 | p.setViewport(0, 0, size, size); | 427 | p.setViewport(0, 0, size, size); | ||
| 423 | renderer.render(&p); | 428 | renderer.render(&p); | ||
| 424 | label->setPixmap(pix.scaled(size, size)); | 429 | label->setPixmap(pix.scaled(size, size)); | ||
| 425 | return; | 430 | return; | ||
| 426 | } | 431 | } | ||
| 427 | } | 432 | } | ||
| 428 | } | 433 | } | ||
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