Pcbnew: Fix bug 1042394 and very minor code cleaning.

3d-viewer/3d_aux.cpp

@@ -129,7 +129,7 @@ void Set_Object_Data( std::vector< S3D_VERTEX >& aVertices, double aBiuTo3DUnits
     /* draw polygon/triangle/quad */
     for( ii = 0; ii < aVertices.size(); ii++ )
     {
-        glVertex3f( aVertices[ii].x * aBiuTo3DUnits,
+        glVertex3d( aVertices[ii].x * aBiuTo3DUnits,
                     aVertices[ii].y * aBiuTo3DUnits,
                     aVertices[ii].z * aBiuTo3DUnits );
     }

3d-viewer/3d_canvas.cpp

@@ -499,8 +499,9 @@ void EDA_3D_CANVAS::InitGL()
         /* speedups */
         glEnable( GL_DITHER );
         glShadeModel( GL_SMOOTH );
-        glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST );
-        glHint( GL_POLYGON_SMOOTH_HINT, GL_FASTEST );
+        glHint( GL_PERSPECTIVE_CORRECTION_HINT, GL_DONT_CARE );
+        glHint( GL_LINE_SMOOTH_HINT, GL_NICEST );
+        glHint( GL_POLYGON_SMOOTH_HINT, GL_NICEST );    // can be GL_FASTEST
 
         /* blend */
         glEnable( GL_BLEND );

3d-viewer/3d_draw.cpp

@@ -154,8 +154,6 @@ GLuint EDA_3D_CANVAS::CreateDrawGL_List()
                   -g_Parm_3D_Visu.m_BoardPos.y * g_Parm_3D_Visu.m_BiuTo3Dunits,
                   0.0F );
 
-    glNormal3f( 0.0, 0.0, 1.0 ); // Normal is Z axis
-
     // draw tracks and vias :
     for( TRACK* track = pcb->m_Track; track != NULL; track = track->Next() )
     {
@@ -463,7 +461,7 @@ void EDA_3D_CANVAS::Draw3D_Track( TRACK* aTrack )
     int zpos = g_Parm_3D_Visu.GetLayerZcoordBIU( layer );
 
     SetGLColor( color );
-    glNormal3f( 0.0, 0.0, (layer == LAYER_N_BACK) ? -1.0 : 1.0 );
+    glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
 
     Draw3D_SolidSegment( aTrack->m_Start, aTrack->m_End,
                          aTrack->m_Width, thickness, zpos,
@@ -503,13 +501,11 @@ void EDA_3D_CANVAS::Draw3D_Via( SEGVIA* via )
         }
 
         SetGLColor( color );
-
-        if( thickness == 0 )
-            glNormal3f( 0.0, 0.0, layer == LAYER_N_BACK ? -1.0 : 1.0 );
+        glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
 
         Draw3D_ZaxisCylinder( via->m_Start, (outer_radius + inner_radius)/2,
                                   thickness, outer_radius - inner_radius,
-                                  zpos - (thickness/2), biu_to_3Dunits );
+                                  zpos, biu_to_3Dunits );
         if( layer >= top_layer )
             break;
     }
@@ -518,7 +514,7 @@ void EDA_3D_CANVAS::Draw3D_Via( SEGVIA* via )
     color = g_ColorsSettings.GetItemColor( VIAS_VISIBLE + via->m_Shape );
     SetGLColor( color );
     int height = g_Parm_3D_Visu.GetLayerZcoordBIU(top_layer) -
-                 g_Parm_3D_Visu.GetLayerZcoordBIU( bottom_layer ) - thickness;
+                 g_Parm_3D_Visu.GetLayerZcoordBIU( bottom_layer );
     int zpos = g_Parm_3D_Visu.GetLayerZcoordBIU(bottom_layer) + thickness/2;
 
     Draw3D_ZaxisCylinder( via->m_Start, inner_radius + thickness/2, height,
@@ -538,7 +534,7 @@ void EDA_3D_CANVAS::Draw3D_DrawSegment( DRAWSEGMENT* segment )
     {
         for( layer = 0; layer < g_Parm_3D_Visu.m_CopperLayersCount; layer++ )
         {
-            glNormal3f( 0.0, 0.0, (layer == LAYER_N_BACK) ? -1.0 : 1.0 );
+            glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
             int zpos = g_Parm_3D_Visu.GetLayerZcoordBIU(layer);
 
             switch( segment->GetShape() )
@@ -784,7 +780,7 @@ void EDGE_MODULE::Draw3D( EDA_3D_CANVAS* glcanvas )
     {
         for( int layer = 0; layer < g_Parm_3D_Visu.m_CopperLayersCount; layer++ )
         {
-            glNormal3f( 0.0, 0.0, (layer == LAYER_N_BACK) ? -1.0 : 1.0 );
+            glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
             int zpos = g_Parm_3D_Visu.GetLayerZcoordBIU( layer );
             int thickness = g_Parm_3D_Visu.GetLayerObjectThicknessBIU( m_Layer );
 
@@ -827,7 +823,7 @@ void EDGE_MODULE::Draw3D( EDA_3D_CANVAS* glcanvas )
     else
     {
         int thickness = g_Parm_3D_Visu.GetLayerObjectThicknessBIU( m_Layer );
-        glNormal3f( 0.0, 0.0, (m_Layer == LAYER_N_BACK) ? -1.0 : 1.0 );
+        glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( m_Layer ) );
         int zpos = g_Parm_3D_Visu.GetLayerZcoordBIU(m_Layer);
 
         switch( m_Shape )
@@ -970,7 +966,7 @@ void D_PAD::Draw3D( EDA_3D_CANVAS* glcanvas )
             int zpos = g_Parm_3D_Visu.GetLayerZcoordBIU( layer );
             int ring_radius = (m_Size.x + m_Drill.x) / 4;
             if( thickness == 0 )
-                glNormal3f( 0.0, 0.0, layer == LAYER_N_BACK ? -1.0 : 1.0 );
+                glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
 
             Draw3D_ZaxisCylinder(shape_pos, ring_radius,
                                   thickness, ( m_Size.x - m_Drill.x) / 2,
@@ -1047,7 +1043,7 @@ void D_PAD::Draw3D( EDA_3D_CANVAS* glcanvas )
             SetGLColor( color );
 
             if( thickness == 0 )
-                glNormal3f( 0.0, 0.0, layer == LAYER_N_BACK ? -1.0 : 1.0 );
+                glNormal3f( 0.0, 0.0, Get3DLayer_Z_Orientation( layer ) );
 
             // If not hole: draw a single polygon
             int zpos = g_Parm_3D_Visu.GetLayerZcoordBIU( layer );

3d-viewer/3d_draw_basic_functions.cpp

@@ -52,6 +52,18 @@ static void CALLBACK    tessEndCB();
 static void CALLBACK    tessErrorCB( GLenum errorCode );
 static void CALLBACK    tessCPolyPt2Vertex( const GLvoid* data );
 
+// 2 helper functions to set the current normal vector for gle items
+static inline void SetNormalZpos()
+{
+    glNormal3f( 0.0, 0.0, 1.0 );
+}
+
+static inline void SetNormalZneg()
+{
+    glNormal3f( 0.0, 0.0, -1.0 );
+}
+
+
 /* Draw3D_VerticalPolygonalCylinder is a helper function.
  *
  * draws a "vertical cylinder" having a polygon shape
@@ -147,7 +159,7 @@ void Draw3D_SolidHorizontalPolyPolygons( const std::vector<CPolyPt>& aPolysList,
 
     // Set normal to toward positive Z axis, for a solid object only (to draw the top side)
     if( aThickness )
-        glNormal3f( 0.0, 0.0, 1.0 );
+        SetNormalZpos();
 
     // gluTessProperty(tess, GLU_TESS_WINDING_RULE, GLU_TESS_WINDING_ODD);
 
@@ -191,7 +203,7 @@ void Draw3D_SolidHorizontalPolyPolygons( const std::vector<CPolyPt>& aPolysList,
         g_Parm_3D_Visu.m_CurrentZpos = zpos;
         v_data[2] = zpos;
         // Now;, set normal to toward negative Z axis, for the solid object bottom side
-        glNormal3f( 0.0, 0.0, -1.0 );
+        SetNormalZneg();
     }
 
     gluDeleteTess( tess );
@@ -201,8 +213,6 @@ void Draw3D_SolidHorizontalPolyPolygons( const std::vector<CPolyPt>& aPolysList,
 
     // Build the 3D data : vertical side
     Draw3D_VerticalPolygonalCylinder( polylist, aThickness, aZpos, false, aBiuTo3DUnits );
-
-    glNormal3f( 0.0, 0.0, 1.0 );
 }
 
 
@@ -258,7 +268,7 @@ void Draw3D_ZaxisCylinder( wxPoint aCenterPos, int aRadius,
     if( aThickness )
     {
         // draw top (front) and bottom (back) horizontal sides (rings)
-        glNormal3f( 0.0, 0.0, 1.0 );
+        SetNormalZpos();
         outer_cornerBuffer.insert( outer_cornerBuffer.end(),
                              inner_cornerBuffer.begin(), inner_cornerBuffer.end() );
         std::vector<CPolyPt> polygon;
@@ -270,12 +280,12 @@ void Draw3D_ZaxisCylinder( wxPoint aCenterPos, int aRadius,
         if( aHeight )
         {
             // draw bottom (back) horizontal ring
-            glNormal3f( 0.0, 0.0, -1.0 );
+            SetNormalZneg();
             Draw3D_SolidHorizontalPolyPolygons( polygon, aZpos, 0, aBiuTo3DUnits );
         }
     }
 
-    glNormal3f( 0.0, 0.0, 1.0 );    // Normal is Z axis
+    SetNormalZpos();
 }
 
 
@@ -326,18 +336,18 @@ void Draw3D_ZaxisOblongCylinder( wxPoint aAxis1Pos, wxPoint aAxis2Pos,
         ConvertPolysListWithHolesToOnePolygon( outer_cornerBuffer, polygon );
 
         // draw top (front) horizontal side (ring)
-        glNormal3f( 0.0, 0.0, 1.0 );
+        SetNormalZpos();
         Draw3D_SolidHorizontalPolyPolygons( polygon, aZpos + aHeight, 0, aBiuTo3DUnits );
 
         if( aHeight )
         {
             // draw bottom (back) horizontal side (ring)
-            glNormal3f( 0.0, 0.0, -1.0 );
+            SetNormalZneg();
             Draw3D_SolidHorizontalPolyPolygons( polygon, aZpos, 0, aBiuTo3DUnits );
         }
     }
 
-    glNormal3f( 0.0, 0.0, 1.0 );    // Normal is Z axis
+    SetNormalZpos();
 }
 
 
@@ -395,7 +405,7 @@ void CALLBACK tessCPolyPt2Vertex( const GLvoid* data )
     // cast back to double type
     const CPolyPt* ptr = (const CPolyPt*) data;
 
-    glVertex3f( ptr->x * g_Parm_3D_Visu.m_BiuTo3Dunits,
+    glVertex3d( ptr->x * g_Parm_3D_Visu.m_BiuTo3Dunits,
                 -ptr->y * g_Parm_3D_Visu.m_BiuTo3Dunits,
                 g_Parm_3D_Visu.m_CurrentZpos );
 }

pcbnew/controle.cpp

@@ -45,8 +45,8 @@
 #include <menus_helpers.h>
 
 //external functions used here:
-extern bool Magnetize( BOARD* m_Pcb, PCB_EDIT_FRAME* frame,
-                       int aCurrentTool, wxSize grid, wxPoint on_grid, wxPoint* curpos );
+extern bool Magnetize( PCB_EDIT_FRAME* frame, int aCurrentTool,
+                       wxSize aGridSize, wxPoint on_grid, wxPoint* curpos );
 
 
 /**
@@ -323,11 +323,11 @@ void PCB_EDIT_FRAME::GeneralControl( wxDC* aDC, const wxPoint& aPosition, int aH
 
     wxPoint curs_pos = pos;
 
-    wxSize grid;
-    grid.x = KiROUND( GetScreen()->GetGridSize().x );
-    grid.y = KiROUND( GetScreen()->GetGridSize().y );
+    wxSize igridsize;
+    igridsize.x = KiROUND( gridSize.x );
+    igridsize.y = KiROUND( gridSize.y );
 
-    if( Magnetize( m_Pcb, this, GetToolId(), grid, curs_pos, &pos ) )
+    if( Magnetize( this, GetToolId(), igridsize, curs_pos, &pos ) )
     {
         GetScreen()->SetCrossHairPosition( pos, false );
     }
@@ -350,7 +350,7 @@ void PCB_EDIT_FRAME::GeneralControl( wxDC* aDC, const wxPoint& aPosition, int aH
         pos = GetScreen()->GetCrossHairPosition();
         GetScreen()->SetCrossHairPosition( oldpos, false );
         m_canvas->CrossHairOff( aDC );
-        GetScreen()->SetCrossHairPosition( pos, snapToGrid );
+        GetScreen()->SetCrossHairPosition( pos, false );
         m_canvas->CrossHairOn( aDC );
 
         if( m_canvas->IsMouseCaptured() )

pcbnew/magnetic_tracks_functions.cpp

@@ -28,7 +28,7 @@
  * Join returns the point in "res" and "true" if a suitable point was found,
  * "false" if both lines are parallel or if the length of either segment is zero.
  */
-static bool Join( wxPoint* res, wxPoint a0, wxPoint a1, wxPoint b0, wxPoint b1 )
+static bool Join( wxPoint* aIntersectPoint, wxPoint a0, wxPoint a1, wxPoint b0, wxPoint b1 )
 {
     /* References:
         http://local.wasp.uwa.edu.au/~pbourke/geometry/lineline2d/
@@ -61,8 +61,8 @@ static bool Join( wxPoint* res, wxPoint a0, wxPoint a1, wxPoint b0, wxPoint b1 )
 
     t = std::min( std::max( t, 0.0 ), 1.0 );
 
-    res->x = KiROUND( a0.x + t * a1.x );
-    res->y = KiROUND( a0.y + t * a1.y );
+    aIntersectPoint->x = KiROUND( a0.x + t * a1.x );
+    aIntersectPoint->y = KiROUND( a0.y + t * a1.y );
 
     return true;
 }
@@ -72,7 +72,7 @@ static bool Join( wxPoint* res, wxPoint a0, wxPoint a1, wxPoint b0, wxPoint b1 )
  * "Project" finds the projection of a grid point on a track. This is the point
  * from where we want to draw new orthogonal tracks when starting on a track.
  */
-bool Project( wxPoint* res, wxPoint on_grid, const TRACK* track )
+bool Project( wxPoint* aNearPos, wxPoint on_grid, const TRACK* track )
 {
     if( track->m_Start == track->m_End )
         return false;
@@ -85,8 +85,8 @@ bool Project( wxPoint* res, wxPoint on_grid, const TRACK* track )
     t /= (double) vec.x * vec.x + (double) vec.y * vec.y;
     t = std::min( std::max( t, 0.0 ), 1.0 );
 
-    res->x = KiROUND( track->m_Start.x + t * vec.x );
-    res->y = KiROUND( track->m_Start.y + t * vec.y );
+    aNearPos->x = KiROUND( track->m_Start.x + t * vec.x );
+    aNearPos->y = KiROUND( track->m_Start.y + t * vec.y );
 
     return true;
 }
@@ -97,15 +97,14 @@ bool Project( wxPoint* res, wxPoint on_grid, const TRACK* track )
  * tests to see if there are any magnetic items within near reach of the given
  * "curpos".  If yes, then curpos is adjusted appropriately according to that
  * near magnetic item and true is returned.
- * @param m_Pcb = the current board
  * @param frame = the current frame
  * @param aCurrentTool = the current tool id (from vertical right toolbar)
- * @param grid = the grid size
- * @param on_grid = TODO
+ * @param aGridSize = the current grid size
+ * @param on_grid = the on grid position near initial position ( often on_grid = curpos)
  * @param curpos The initial position, and what to adjust if a change is needed.
  * @return bool - true if the position was adjusted magnetically, else false.
  */
-bool Magnetize( BOARD* m_Pcb, PCB_EDIT_FRAME* frame, int aCurrentTool, wxSize grid,
+bool Magnetize( PCB_EDIT_FRAME* frame, int aCurrentTool, wxSize aGridSize,
                 wxPoint on_grid, wxPoint* curpos )
 {
     bool    doCheckNet = g_MagneticPadOption != capture_always && Drc_On;
@@ -113,6 +112,7 @@ bool Magnetize( BOARD* m_Pcb, PCB_EDIT_FRAME* frame, int aCurrentTool, wxSize gr
     bool    doPad = false;
     bool    amMovingVia = false;
 
+    BOARD* m_Pcb = frame->GetBoard();
     TRACK*      currTrack = g_CurrentTrackSegment;
     BOARD_ITEM* currItem  = frame->GetCurItem();
     PCB_SCREEN* screen = frame->GetScreen();
@@ -188,10 +188,6 @@ bool Magnetize( BOARD* m_Pcb, PCB_EDIT_FRAME* frame, int aCurrentTool, wxSize gr
                     return true;
                 }
             }
-            else
-            {
-                //D( printf( "skipping self\n" ); )
-            }
         }
 
         if( !currTrack )
@@ -214,10 +210,10 @@ bool Magnetize( BOARD* m_Pcb, PCB_EDIT_FRAME* frame, int aCurrentTool, wxSize gr
          * In two segment mode, ignore the final segment if it's inside a grid square.
          */
         if( !amMovingVia && currTrack && g_TwoSegmentTrackBuild && currTrack->Back()
-            && currTrack->m_Start.x - grid.x < currTrack->m_End.x
-            && currTrack->m_Start.x + grid.x > currTrack->m_End.x
-            && currTrack->m_Start.y - grid.y < currTrack->m_End.y
-            && currTrack->m_Start.y + grid.y > currTrack->m_End.y )
+            && currTrack->m_Start.x - aGridSize.x < currTrack->m_End.x
+            && currTrack->m_Start.x + aGridSize.x > currTrack->m_End.x
+            && currTrack->m_Start.y - aGridSize.y < currTrack->m_End.y
+            && currTrack->m_Start.y + aGridSize.y > currTrack->m_End.y )
         {
             currTrack = currTrack->Back();
         }
@@ -241,7 +237,7 @@ bool Magnetize( BOARD* m_Pcb, PCB_EDIT_FRAME* frame, int aCurrentTool, wxSize gr
             if( !track->HitTest( *curpos ) )
                 continue;
 
-            D(printf( "have track prospect\n");)
+            // D(printf( "have track prospect\n");)
 
             if( Join( curpos, track->m_Start, track->m_End, currTrack->m_Start, currTrack->m_End ) )
             {