modified z

src/osgqt/GraphicsWindowQt.cpp

@@ -849,6 +849,8 @@ bool GraphicsWindowQt::releaseContextImplementation()
 }
 
 void GraphicsWindowQt::swapBuffersImplementation()
+{
+	if (_widget->isVisible())
 	{
 		_widget->swapBuffers();
 
@@ -864,6 +866,7 @@ void GraphicsWindowQt::swapBuffersImplementation()
 		if (QGLContext::currentContext() != _widget->context())
 			_widget->makeCurrent();
 	}
+}
 
 void GraphicsWindowQt::requestWarpPointer( float x, float y )
 {

src/viewer/OsgWidget.cpp

@@ -206,6 +206,15 @@ void OsgWidget::paintEvent(QPaintEvent*) {
     frame();
 }
 
+void OsgWidget::showEvent(QShowEvent * event)
+{
+	if (nullptr == view_) {
+		return;
+	}
+	qreal devicePixelRatio = screen()->devicePixelRatio();
+	viewUI_->Resize(size().width() * devicePixelRatio, size().height() * devicePixelRatio);
+}
+
 void OsgWidget::dragEnterEvent(QDragEnterEvent* event) {
     LOG_INFO("OsgWidget::dragEnterEvent - Available formats:{}", event->mimeData()->formats().join(",").toStdString());
     
@@ -279,6 +288,11 @@ void OsgWidget::OnPresetModelDropped(const QString& modelType, const QString& mo
         height = 0.0;
     }
 
+	if (height < 0.0)
+	{
+		height = 0.0;
+	}	
+
     bool success = false;
     ModelInfo modelInfo = PresetModelConfigParser::Get().GetModelInfo(modelType, modelName, &success);
     if (!success) {

src/viewer/OsgWidget.h

@@ -29,6 +29,8 @@ protected:
     void resizeEvent(QResizeEvent* event) override;
     void paintEvent( QPaintEvent* /*event*/ ) override;
 
+	virtual void showEvent(QShowEvent *event) override;
+    
     // 拖拽事件处理
     void dragEnterEvent(QDragEnterEvent* event) override;
     void dragMoveEvent(QDragMoveEvent* event) override;