make sure the unique id is set correctly

Change-Id: I1b846e79c2fdd718b7c67f39cb67ca2916520cb3

chart2/source/view/charttypes/3DBarChart.cxx

@@ -38,6 +38,7 @@ void Bar3DChart::create3DShapes()
     maShapes.clear();
     maShapes.push_back(new opengl3D::Camera());
     sal_Int32 nSeriesIndex = 0;
+    sal_uInt32 nId = 1;
     for(std::vector<VDataSeries*>::const_iterator itr = maDataSeries.begin(),
             itrEnd = maDataSeries.end(); itr != itrEnd; ++itr)
     {
@@ -53,7 +54,7 @@ void Bar3DChart::create3DShapes()
             glm::scale(aBarPosition, nBarSizeX, nBarSizeY, nVal);
             glm::translate(aBarPosition, nXPos, nYPos, nVal/2);
 
-            maShapes.push_back(new opengl3D::Bar(aBarPosition));
+            maShapes.push_back(new opengl3D::Bar(aBarPosition, nId++));
         }
 
         ++nSeriesIndex;

chart2/source/view/inc/3DChartObjects.hxx

@@ -21,16 +21,20 @@ namespace opengl3D {
 class Renderable3DObject
 {
 public:
+    Renderable3DObject(sal_uInt32 nId);
 
     virtual ~Renderable3DObject() {};
 
-    virtual void render() {}
+    virtual void render();
+
+protected:
+    sal_uInt32 mnUniqueId;
 };
 
 class Bar : public Renderable3DObject
 {
 public:
-    Bar( const glm::mat4& rPosition );
+    Bar( const glm::mat4& rPosition, sal_uInt32 nId );
 private:
     glm::mat4 maPos;
     Color maColor; // RGBA fill color
@@ -38,6 +42,9 @@ private:
 
 class Line : public Renderable3DObject
 {
+public:
+    Line( sal_uInt32 nId );
+
 private:
     glm::vec3 maPosBegin;
     glm::vec3 maPosEnd;
@@ -46,6 +53,8 @@ private:
 
 class Text : public Renderable3DObject
 {
+public:
+    Text( sal_uInt32 nId );
 private:
     BitmapEx maText;
     glm::vec3 maTopLeft;
@@ -55,6 +64,8 @@ private:
 
 class Rectangle : public Renderable3DObject
 {
+public:
+    Rectangle( sal_uInt32 nId );
 private:
     glm::vec3 maTopLeft;
     glm::vec3 maTopRight;

chart2/source/view/main/3DChartObjects.cxx

@@ -13,12 +13,39 @@ namespace chart {
 
 namespace opengl3D {
 
-Bar::Bar(const glm::mat4& rPosition):
+Renderable3DObject::Renderable3DObject(sal_uInt32 nId):
+    mnUniqueId(nId)
+{
+}
+
+void Renderable3DObject::render()
+{
+    (void) mnUniqueId;
+}
+
+Bar::Bar(const glm::mat4& rPosition, sal_uInt32 nId):
+    Renderable3DObject(nId),
     maPos(rPosition)
 {
 }
 
+Line::Line(sal_uInt32 nId):
+    Renderable3DObject(nId)
+{
+}
+
+Text::Text(sal_uInt32 nId):
+    Renderable3DObject(nId)
+{
+}
+
+Rectangle::Rectangle(sal_uInt32 nId):
+    Renderable3DObject(nId)
+{
+}
+
 Camera::Camera():
+    Renderable3DObject(0),
     maPos(10,10,-10),
     maDirection(glm::vec3(0,0,0)-maPos)
 {