diff --git a/ArchitectureColoredPainting/src/Editor/GraphicElement.h b/ArchitectureColoredPainting/src/Editor/GraphicElement.h
index 4228e52..edd0caf 100644
--- a/ArchitectureColoredPainting/src/Editor/GraphicElement.h
+++ b/ArchitectureColoredPainting/src/Editor/GraphicElement.h
@@ -3,6 +3,7 @@
 #include <QJsonArray>
 #include <QJsonObject>
 #include <QPainterPath>
+#include <QImage>
 #include <string>
 
 #include "../Renderer/Painting/ElementStyle.h"
@@ -49,6 +50,9 @@ public:
 
 //********************************  BitmapPath  ********************************//
 
+using std::vector;
+using std::shared_ptr;
+
 class BitmapPath
 {
 protected:
diff --git a/ArchitectureColoredPainting/src/Editor/LayerWrapper.h b/ArchitectureColoredPainting/src/Editor/LayerWrapper.h
index 456ac11..d063db9 100644
--- a/ArchitectureColoredPainting/src/Editor/LayerWrapper.h
+++ b/ArchitectureColoredPainting/src/Editor/LayerWrapper.h
@@ -12,6 +12,8 @@
 #include <QTreeWidget>
 #include <memory>
 #include <vector>
+
+#include "../Renderer/Painting/ElementStyle.h"
 using std::shared_ptr;
 using std::vector;
 class GraphicElement;
diff --git a/ArchitectureColoredPainting/src/Renderer/Preview/ElementRenderer.cpp b/ArchitectureColoredPainting/src/Renderer/Preview/ElementRenderer.cpp
index 2787c96..8c75783 100644
--- a/ArchitectureColoredPainting/src/Renderer/Preview/ElementRenderer.cpp
+++ b/ArchitectureColoredPainting/src/Renderer/Preview/ElementRenderer.cpp
@@ -43,11 +43,13 @@ std::vector<glm::vec2> generatePathBuffer(const QPainterPath& path)
 			break;
 		case QPainterPath::LineToElement:
 			qDebug() << "LineToElement";
-			glm::vec2 end = glm::vec2(element.x, element.y);
-			glm::vec2 mid = (pathBuffer.back() + end) / 2.f;
-			pathBuffer.push_back(mid);
-			pathBuffer.push_back(mid);
-			pathBuffer.push_back(end);
+			{
+				glm::vec2 end = glm::vec2(element.x, element.y);
+				glm::vec2 mid = (pathBuffer.back() + end) / 2.f;
+				pathBuffer.push_back(mid);
+				pathBuffer.push_back(mid);
+				pathBuffer.push_back(end);
+			}
 			break;
 		case QPainterPath::CurveToElement:
 			qDebug() << "CurveToElement";