Pcbnew: fix issues with 360 deg angle arcs.

Fixes: lp:1725943
https://bugs.launchpad.net/kicad/+bug/1725943

common/gal/opengl/opengl_gal.cpp

@@ -601,6 +601,8 @@ void OPENGL_GAL::DrawArcSegment( const VECTOR2D& aCenterPoint, double aRadius, d
     SWAP( aStartAngle, >, aEndAngle );
 
     const double alphaIncrement = calcAngleStep( aRadius );
+printf( "st %f end %f alphaIncrement = %f\n",
+aStartAngle * 180/M_PI, aEndAngle * 180/M_PI, alphaIncrement * 180/M_PI);
 
     Save();
     currentManager->Translate( aCenterPoint.x, aCenterPoint.y, 0.0 );

eeschema/sheet.cpp

@@ -263,14 +263,17 @@ bool SCH_EDIT_FRAME::EditSheet( SCH_SHEET* aSheet, SCH_SHEET_PATH* aHierarchy )
 
 /* Move selected sheet with the cursor.
  * Callback function used by m_mouseCaptureCallback.
- * Note also now this function is aclled only when resizing the sheet
+ * Note also now this function is called only when resizing the sheet
  * But the (very small code) relative to sheet move is still present here
  */
 static void resizeSheetWithMouseCursor( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition,
                                         bool aErase )
 {
     BASE_SCREEN*   screen = aPanel->GetScreen();
-    SCH_SHEET*     sheet = (SCH_SHEET*) screen->GetCurItem();
+    SCH_SHEET*     sheet = dynamic_cast<SCH_SHEET*>( screen->GetCurItem() );
+
+    if( sheet == nullptr )  // Be sure we are using the right object
+        return;
 
     if( aErase )
         sheet->Draw( aPanel, aDC, wxPoint( 0, 0 ), g_XorMode );

include/trigo.h

@@ -206,8 +206,20 @@ inline double RAD2DECIDEG( double rad ) { return rad * 1800.0 / M_PI; }
 /* These are templated over T (and not simply double) because eeschema
    is still using int for angles in some place */
 
-/// Normalize angle to be in the -360.0 .. 360.0:
-template <class T> inline T NormalizeAngle360( T Angle )
+/// Normalize angle to be  >=-360.0 and <= 360.0
+/// Angle can be equal to -360 or +360
+template <class T> inline T NormalizeAngle360Max( T Angle )
+{
+    while( Angle < -3600 )
+        Angle += 3600;
+    while( Angle > 3600 )
+        Angle -= 3600;
+    return Angle;
+}
+
+/// Normalize angle to be > -360.0 and < 360.0
+/// Angle equal to -360 or +360 are set to 0
+template <class T> inline T NormalizeAngle360Min( T Angle )
 {
     while( Angle <= -3600 )
         Angle += 3600;
@@ -216,7 +228,6 @@ template <class T> inline T NormalizeAngle360( T Angle )
     return Angle;
 }
 
-
 /// Normalize angle to be in the 0.0 .. 360.0 range:
 /// angle is in 1/10 degees
 template <class T> inline T NormalizeAnglePos( T Angle )
@@ -243,6 +254,8 @@ inline double NormalizeAngleDegreesPos( double Angle )
         Angle -= 360.0;
     return Angle;
 }
+
+
 inline void NORMALIZE_ANGLE_DEGREES_POS( double& Angle )
 {
     Angle = NormalizeAngleDegreesPos( Angle );
@@ -258,6 +271,7 @@ template <class T, class T2> inline T AddAngles( T a1, T2 a2 )
     return a1;
 }
 
+
 template <class T> inline T NegateAndNormalizeAnglePos( T Angle )
 {
     Angle = -Angle;

include/worksheet_shape_builder.h

@@ -299,7 +299,7 @@ public:
 
     void SetTextAngle( double aAngle )
     {
-        EDA_TEXT::SetTextAngle( NormalizeAngle360( aAngle ) );
+        EDA_TEXT::SetTextAngle( NormalizeAngle360Min( aAngle ) );
     }
 
     /**

pcbnew/class_drawsegment.cpp

@@ -186,7 +186,8 @@ double DRAWSEGMENT::GetArcAngleStart() const
 
 void DRAWSEGMENT::SetAngle( double aAngle )
 {
-    m_Angle = NormalizeAngle360( aAngle );
+    // m_Angle must be >= -360 and <= +360 degrees
+    m_Angle = NormalizeAngle360Max( aAngle );
 }
 
 

pcbnew/class_pad.cpp

@@ -1120,7 +1120,7 @@ void D_PAD::Rotate( const wxPoint& aRotCentre, double aAngle )
 {
     RotatePoint( &m_Pos, aRotCentre, aAngle );
 
-    m_Orient = NormalizeAngle360( m_Orient + aAngle );
+    m_Orient = NormalizeAngle360Min( m_Orient + aAngle );
 
     SetLocalCoord();
 }

pcbnew/class_pcb_text.cpp

@@ -62,7 +62,7 @@ TEXTE_PCB::~TEXTE_PCB()
 
 void TEXTE_PCB::SetTextAngle( double aAngle )
 {
-    EDA_TEXT::SetTextAngle( NormalizeAngle360( aAngle ) );
+    EDA_TEXT::SetTextAngle( NormalizeAngle360Min( aAngle ) );
 }
 
 

pcbnew/class_text_mod.cpp

@@ -85,7 +85,7 @@ TEXTE_MODULE::~TEXTE_MODULE()
 
 void TEXTE_MODULE::SetTextAngle( double aAngle )
 {
-    EDA_TEXT::SetTextAngle( NormalizeAngle360( aAngle ) );
+    EDA_TEXT::SetTextAngle( NormalizeAngle360Min( aAngle ) );
 }
 
 

pcbnew/dialogs/dialog_graphic_item_properties_for_Modedit.cpp

@@ -290,11 +290,11 @@ bool DIALOG_MODEDIT_FP_BODY_ITEM_PROPERTIES::Validate()
         // Check angle of arc.
         double angle;
         m_AngleCtrl->GetValue().ToDouble( &angle );
-        angle = NormalizeAngle360( angle );
+        angle = NormalizeAngle360Max( angle );
 
         if( angle == 0 )
         {
-            error_msgs.Add( _( "The arc angle must be greater than zero." ) );
+            error_msgs.Add( _( "The arc angle cannot be zero." ) );
         }
 
         // Fall through.

pcbnew/kicad_plugin.cpp

@@ -1545,7 +1545,7 @@ void PCB_IO::format( TEXTE_MODULE* aText, int aNestLevel ) const
 #else
         // Choose compatibility for now, even though this is only a 720 degree clamp
         // with two possible values for every angle.
-        orient = NormalizeAngle360( orient + parent->GetOrientation() );
+        orient = NormalizeAngle360Min( orient + parent->GetOrientation() );
 #endif
     }
 

pcbnew/pcb_painter.cpp

@@ -931,6 +931,9 @@ void PCB_PAINTER::draw( const DRAWSEGMENT* aSegment, int aLayer )
         break;
 
     case S_ARC:
+printf( "S_ARC st %f end %f angle %f\n",
+aSegment->GetArcAngleStart()/10.0, (aSegment->GetArcAngleStart() + aSegment->GetAngle())/10.0,
+aSegment->GetAngle()/10.0 );
         m_gal->DrawArcSegment( start, aSegment->GetRadius(),
                         DECIDEG2RAD( aSegment->GetArcAngleStart() ),
                         DECIDEG2RAD( aSegment->GetArcAngleStart() + aSegment->GetAngle() ),