Fixing thumbnail pixelation

2021-04-19 18:24:23 -07:00
parent 2cd2550771
commit 7e48bee48f
1 changed files with 3 additions and 1 deletions
@@ -79,7 +79,9 @@ namespace AzToolsFramework
                int realHeight = qMin(aznumeric_cast<int>(originalWidth /aspectRatio), originalHeight);
                int realWidth = aznumeric_cast<int>(realHeight * aspectRatio);
                int x = (originalWidth - realWidth) / 2;
-                painter.drawPixmap(QRect(x, 0, realHeight, realWidth), pixmap);
+                // pixmap needs to be manually scaled to produce smoother result and avoid looking pixelated
+                // using painter.setRenderHint(QPainter::SmoothPixmapTransform); does not seem to work
+                painter.drawPixmap(QPoint(x, 0), pixmap.scaled(realWidth, realHeight, Qt::IgnoreAspectRatio, Qt::SmoothTransformation));
            }
            QWidget::paintEvent(event);
        }