实现高亮选中Layer

ArchitectureColoredPainting/src/Editor/LayerManager.cpp

@@ -13,8 +13,21 @@ LayerWrapper *LayerManager::getRoot() const
 }
 void LayerManager::paint(QPainter *painter, QSize size,LayerWrapper* selecetedLayer) const
 {
+    painter->save();
     root->getCache();
     root->paint(painter);
+    painter->restore();
+    painter->save();
+ //   painter->setBrush(QBrush(Qt::white));
+	//painter->setCompositionMode(QPainter::CompositionMode_Difference);
+    if (selecetedLayer != nullptr)
+    {
+	    painter->setPen(QPen(Qt::gray, 2, Qt::DashLine));
+        selecetedLayer->paintVisualBounding(painter);
+        //painter->setPen(QPen(Qt::gray, 2, Qt::DashDotLine));
+        //selecetedLayer->paintVisualBounding(painter);
+    }
+	painter->restore();
 }
 bool LayerManager::singleSelectedCheck() const
 {

ArchitectureColoredPainting/src/Editor/LayerWrapper.cpp

@@ -284,7 +284,14 @@ int FolderLayerWrapper::getReferencedBy()const
 
 void LayerWrapper::paint(QPainter* painter, QTransform transform, bool force)
 {
-
+  //  if (this->selected)
+  //  {
+  //      painter->save();
+		//painter->setPen(QPen(Qt::red, 2));
+		//painter->setTransform(transform);
+		//painter->drawRect(this->cache.getBoundingRect());
+		//painter->restore();
+  //  }
 }
 
 void FolderLayerWrapper::paint(QPainter* painter, QTransform transform, bool force)
@@ -429,3 +436,20 @@ bool LayerWrapper::canApplyStyles() const
 {
 	return typeid(*this) == typeid(LeafLayerWrapper) && !referencingGroupElement();
 }
+
+void LayerWrapper::paintVisualBounding(QPainter* painter) const
+{
+    if (hidden)
+        return;
+	QTransform transform;
+    auto layer = this->parent;
+	while (layer != nullptr)
+	{
+		transform =  transform * layer->property.transform;
+		layer = layer->parent;
+	}
+    painter->save();
+	painter->setTransform(transform);
+	painter->drawRect(cache.getBoundingRect());
+	painter->restore();
+}

ArchitectureColoredPainting/src/Editor/LayerWrapper.h

@@ -75,6 +75,7 @@ class LayerWrapper
 	virtual size_t referencedCount(bool excludeSelf = false) const;
     virtual bool deleteable(bool excludeSubTree = false) const;
     virtual bool referencingGroupElement() const;
+    virtual void paintVisualBounding(QPainter* painter) const;
     bool canApplyStyles() const;
 };
 

ArchitectureColoredPainting/src/Editor/PixelPath.cpp

@@ -78,7 +78,8 @@ PixelPath PixelPath::trans(QTransform& mat)const
 	painter.setTransform(mat);
 	painter.drawPixmap(0, 0, pixmap);
 	result.painterPath.addPath(this->painterPath);
-	result.boundingRect = mat.mapRect(boundingRect);
+	result.painterPath = mat.map(result.painterPath);
+	result.boundingRect = result.painterPath.boundingRect();
 	return result;
 }