X-Git-Url: https://cloud.milkyroute.net/gitweb/dolphin.git/blobdiff_plain/cebcf8dbb3ff310aa0761ad452e4ca79278d7831..dd07a327:/src/panels/information/informationpanelcontent.cpp

diff --git a/src/panels/information/informationpanelcontent.cpp b/src/panels/information/informationpanelcontent.cpp
index fc2d0f938..14a470b11 100644
--- a/src/panels/information/informationpanelcontent.cpp
+++ b/src/panels/information/informationpanelcontent.cpp
@@ -353,7 +353,8 @@ void InformationPanelContent::showIcon(const KFileItem &item)
 {
     m_outdatedPreviewTimer->stop();
     QIcon icon = QIcon::fromTheme(item.iconName());
-    QPixmap pixmap = KIconUtils::addOverlays(icon, item.overlays()).pixmap(m_preview->size());
+    QPixmap pixmap = KIconUtils::addOverlays(icon, item.overlays()).pixmap(m_preview->size(), devicePixelRatioF());
+    pixmap.setDevicePixelRatio(devicePixelRatioF());
     m_preview->setPixmap(pixmap);
 }
 
@@ -361,8 +362,23 @@ void InformationPanelContent::showPreview(const KFileItem &item, const QPixmap &
 {
     m_outdatedPreviewTimer->stop();
 
-    const QSize size = pixmap.size();
-    QPixmap p = KIconUtils::addOverlays(pixmap, item.overlays()).pixmap(size);
+    QPixmap p = pixmap;
+    if (!item.overlays().isEmpty()) {
+        // Avoid scaling the images that are smaller than the preview size, to be consistent when there is no overlays
+        if (pixmap.height() < m_preview->height() && pixmap.width() < m_preview->width()) {
+            p = QPixmap(m_preview->size() * devicePixelRatioF());
+            p.fill(Qt::transparent);
+            p.setDevicePixelRatio(devicePixelRatioF());
+
+            QPainter painter(&p);
+            painter.drawPixmap(QPointF{m_preview->width() / 2.0 - pixmap.width() / pixmap.devicePixelRatioF() / 2,
+                                       m_preview->height() / 2.0 - pixmap.height() / pixmap.devicePixelRatioF() / 2}
+                                   .toPoint(),
+                               pixmap);
+        }
+        p = KIconUtils::addOverlays(p, item.overlays()).pixmap(m_preview->size(), devicePixelRatioF());
+        p.setDevicePixelRatio(devicePixelRatioF());
+    }
 
     if (m_isVideo) {
         // adds a play arrow overlay
@@ -371,8 +387,8 @@ void InformationPanelContent::showPreview(const KFileItem &item, const QPixmap &
         auto arrowSize = qMax(PLAY_ARROW_SIZE, maxDim / 8);
 
         // compute relative pixel positions
-        const int zeroX = static_cast<int>((p.width() / 2 - arrowSize / 2) / pixmap.devicePixelRatio());
-        const int zeroY = static_cast<int>((p.height() / 2 - arrowSize / 2) / pixmap.devicePixelRatio());
+        const int zeroX = static_cast<int>((p.width() / 2 - arrowSize / 2) / p.devicePixelRatio());
+        const int zeroY = static_cast<int>((p.height() / 2 - arrowSize / 2) / p.devicePixelRatio());
 
         QPolygon arrow;
         arrow << QPoint(zeroX, zeroY);
@@ -412,15 +428,8 @@ void InformationPanelContent::markOutdatedPreview()
         // use it until the preview is done
         showIcon(m_item);
     } else {
-#if KICONTHEMES_VERSION >= QT_VERSION_CHECK(6, 5, 0)
         QPixmap disabledPixmap = m_preview->pixmap();
         KIconEffect::toDisabled(disabledPixmap);
-#else
-        QImage img = m_preview->pixmap().toImage();
-        KIconEffect::toGray(img, 1);
-        KIconEffect::semiTransparent(img);
-        QPixmap disabledPixmap = QPixmap::fromImage(img);
-#endif
         m_preview->setPixmap(disabledPixmap);
     }
 }