From 2c2e506edf3980de9c1cfff088e862232f5c030e Mon Sep 17 00:00:00 2001
From: Maciej Suminski <maciej.suminski@cern.ch>
Date: Mon, 5 Aug 2013 14:06:01 +0200
Subject: [PATCH] Fixed bounding box for TEXTE_PCB class.

---
 pcbnew/class_pcb_text.cpp | 35 +++++++++++++++++++++++++++++++++++
 pcbnew/class_pcb_text.h   |  3 +++
 2 files changed, 38 insertions(+)

diff --git a/pcbnew/class_pcb_text.cpp b/pcbnew/class_pcb_text.cpp
index 344f776537..4ff4c02b88 100644
--- a/pcbnew/class_pcb_text.cpp
+++ b/pcbnew/class_pcb_text.cpp
@@ -188,3 +188,38 @@ EDA_ITEM* TEXTE_PCB::Clone() const
     return new TEXTE_PCB( *this );
 }
 
+
+const BOX2I TEXTE_PCB::ViewBBox() const
+{
+    EDA_RECT rect = GetTextBox();
+
+    if( m_Orient != 0.0 )
+    {
+        // If the text is rotated, we need to take it into account
+        wxPoint p1 = rect.GetOrigin();
+        wxPoint p2 = wxPoint( p1.x + rect.GetWidth(), p1.y );
+        wxPoint p3 = rect.GetEnd();
+        wxPoint p4 = wxPoint( p1.x, p1.y + rect.GetHeight() );
+
+        // Transform all the corners of the bounding box according to the rotation angle
+        RotatePoint( &p1, m_Pos, -m_Orient );
+        RotatePoint( &p2, m_Pos, -m_Orient );
+        RotatePoint( &p3, m_Pos, -m_Orient );
+        RotatePoint( &p4, m_Pos, -m_Orient );
+
+        // Find the new bounding box origin and dimensions
+        int minX = std::min( std::min( p1.x, p2.x ), std::min( p3.x, p4.x ) );
+        int minY = std::min( std::min( p1.y, p2.y ), std::min( p3.y, p4.y ) );
+        int maxX = std::max( std::max( p1.x, p2.x ), std::max( p3.x, p4.x ) );
+        int maxY = std::max( std::max( p1.y, p2.y ), std::max( p3.y, p4.y ) );
+
+        int width = maxX - minX;
+        int height = maxY - minY;
+
+        return BOX2I( VECTOR2I( minX, minY ), VECTOR2I( width, height ) );
+    }
+    else
+    {
+        return BOX2I( rect.GetOrigin(), rect.GetSize() );
+    }
+}
diff --git a/pcbnew/class_pcb_text.h b/pcbnew/class_pcb_text.h
index 6bae690be1..d947cd05c9 100644
--- a/pcbnew/class_pcb_text.h
+++ b/pcbnew/class_pcb_text.h
@@ -124,6 +124,9 @@ public:
 #if defined(DEBUG)
     virtual void Show( int nestLevel, std::ostream& os ) const { ShowDummy( os ); }    // override
 #endif
+
+    /// @copydoc VIEW_ITEM::ViewBBox()
+    virtual const BOX2I ViewBBox() const;
 };
 
 #endif  // #define CLASS_PCB_TEXT_H