JFJochMagnifierWindow: Fixed

2026-06-09 12:09:40 +02:00
parent 30dcc98f89
commit 8a582b8a90
2 changed files with 9 additions and 2 deletions
@@ -957,7 +957,7 @@ void JFJochImage::setZoom(double input) {
        scale_factor = input;
        if (!scene())
            return;
-        scale(input, input);
+        setTransform(QTransform::fromScale(input, input));
        updateOverlay();
        emitViewportChanged();
    }
@@ -22,11 +22,18 @@ void JFJochMagnifierWindow::imageLoaded(std::shared_ptr<const JFJochReaderImage>
        m_image->setImage(nullptr);
        return;
    }
+
+    const double scale = m_have_image ? m_image->GetScaleFactor() : m_magnification;
+    const QPointF center = m_have_image
+                           ? m_image->mapToScene(m_image->viewport()->rect().center())
+                           : QPointF(image->Dataset().experiment.GetXPixelsNum() * 0.5,
+                                     image->Dataset().experiment.GetYPixelsNum() * 0.5);
+
    const auto &exp = image->Dataset().experiment;
    auto si = std::make_shared<SimpleImage>();
    si->image = CompressedImage(image->Image(), exp.GetXPixelsNum(), exp.GetYPixelsNum());
    m_image->setImage(si);
-    m_image->setZoom(m_magnification);
+    m_image->applyViewport(QTransform::fromScale(scale, scale), center);
    m_have_image = true;
 }