Implementing boundingbox getters for WS_DRAW_ITEMs.

common/page_layout/ws_draw_item.cpp

@@ -152,6 +152,12 @@ void WS_DRAW_ITEM_TEXT::DrawWsItem( EDA_RECT* aClipBox, wxDC* aDC, const wxPoint
 }
 
 
+const EDA_RECT WS_DRAW_ITEM_TEXT::GetBoundingBox() const
+{
+    return EDA_TEXT::GetTextBox( -1 );
+}
+
+
 bool WS_DRAW_ITEM_TEXT::HitTest( const wxPoint& aPosition, int aAccuracy ) const
 {
     return EDA_TEXT::TextHitTest( aPosition, aAccuracy );
@@ -198,6 +204,17 @@ void WS_DRAW_ITEM_POLYGON::DrawWsItem( EDA_RECT* aClipBox, wxDC* aDC, const wxPo
 }
 
 
+const EDA_RECT WS_DRAW_ITEM_POLYGON::GetBoundingBox() const
+{
+    EDA_RECT rect( GetPosition(), wxSize( 0, 0 ) );
+
+    for( wxPoint corner : m_Corners )
+        rect.Merge( corner );
+
+    return rect;
+}
+
+
 bool WS_DRAW_ITEM_POLYGON::HitTest( const wxPoint& aPosition, int aAccuracy ) const
 {
     for( unsigned ii = 1; ii < m_Corners.size(); ii++ )
@@ -261,6 +278,12 @@ void WS_DRAW_ITEM_RECT::DrawWsItem( EDA_RECT* aClipBox, wxDC* aDC, const wxPoint
 }
 
 
+const EDA_RECT WS_DRAW_ITEM_RECT::GetBoundingBox() const
+{
+    return EDA_RECT( GetStart(), wxSize( GetEnd().x - GetStart().x, GetEnd().y - GetStart().y ) );
+}
+
+
 bool WS_DRAW_ITEM_RECT::HitTest( const wxPoint& aPosition, int aAccuracy ) const
 {
     int dist = aAccuracy + ( GetPenWidth() / 2 );
@@ -314,6 +337,12 @@ void WS_DRAW_ITEM_LINE::DrawWsItem( EDA_RECT* aClipBox, wxDC* aDC, const wxPoint
 }
 
 
+const EDA_RECT WS_DRAW_ITEM_LINE::GetBoundingBox() const
+{
+    return EDA_RECT( GetStart(), wxSize( GetEnd().x - GetStart().x, GetEnd().y - GetStart().y ) );
+}
+
+
 bool WS_DRAW_ITEM_LINE::HitTest( const wxPoint& aPosition, int aAccuracy ) const
 {
     int mindist = aAccuracy + ( GetPenWidth() / 2 );

include/ws_draw_item.h

@@ -130,10 +130,7 @@ public:
     const wxPoint GetPosition() const override { return GetStart(); }
     void SetPosition( wxPoint aPos ) override { SetStart( aPos ); }
 
-    /** The function to draw a WS_DRAW_ITEM_LINE
+    const EDA_RECT GetBoundingBox() const override;
-     */
-    void DrawWsItem( EDA_RECT* aClipBox, wxDC* aDC, const wxPoint& aOffset, GR_DRAWMODE aDrawMode,
-                     COLOR4D aColor ) override;
 
     /**
      * Virtual function
@@ -141,6 +138,11 @@ public:
      */
     bool HitTest( const wxPoint& aPosition, int aAccuracy = 0 ) const override;
 
+    /** The function to draw a WS_DRAW_ITEM_LINE
+     */
+    void DrawWsItem( EDA_RECT* aClipBox, wxDC* aDC, const wxPoint& aOffset, GR_DRAWMODE aDrawMode,
+                     COLOR4D aColor ) override;
+
     wxString GetSelectMenuText( EDA_UNITS_T aUnits ) const override;
 
 #if defined(DEBUG)
@@ -177,10 +179,7 @@ public:
     const wxPoint GetPosition() const override { return m_pos; }
     void SetPosition( wxPoint aPos ) override { m_pos = aPos; }
 
-    /** The function to draw a WS_DRAW_ITEM_POLYGON
+    const EDA_RECT GetBoundingBox() const override;
-     */
-    void DrawWsItem( EDA_RECT* aClipBox, wxDC* aDC, const wxPoint& aOffset, GR_DRAWMODE aDrawMode,
-                     COLOR4D aColor ) override;
 
     /**
      * Virtual function
@@ -194,6 +193,11 @@ public:
      */
     bool HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy = 0 ) const override;
 
+    /** The function to draw a WS_DRAW_ITEM_POLYGON
+     */
+    void DrawWsItem( EDA_RECT* aClipBox, wxDC* aDC, const wxPoint& aOffset, GR_DRAWMODE aDrawMode,
+                     COLOR4D aColor ) override;
+
     wxString GetSelectMenuText( EDA_UNITS_T aUnits ) const override;
 
 #if defined(DEBUG)
@@ -234,6 +238,8 @@ public:
     void DrawWsItem( EDA_RECT* aClipBox, wxDC* aDC, const wxPoint& aOffset, GR_DRAWMODE aDrawMode,
                      COLOR4D aColor ) override;
 
+    const EDA_RECT GetBoundingBox() const override;
+
     /**
      * Virtual function
      * return true if the point aPosition is on one edge of the rectangle
@@ -283,6 +289,8 @@ public:
     const wxPoint GetPosition() const override { return GetTextPos(); }
     void SetPosition( wxPoint aPos ) override { SetTextPos( aPos ); }
 
+    const EDA_RECT GetBoundingBox() const override;
+
     /**
      * Virtual function
      * return true if the point aPosition is inside one polygon