pcbnew: added oblong thermal relief for oblong pads (from a contribution) ....

pcbnew: added oblong thermal relief for oblong pads (from a contribution) . added contributor to kicad list

common/about_kicad.cpp

@@ -99,6 +99,7 @@ void InitKiCadAbout( wxAboutDialogInfo& info )
     info.AddDeveloper( SetMsg( wxT( "Jerry Jacobs <jerkejacobs@gmail.com>" ) ) );
     info.AddDeveloper( SetMsg( wxT( "Dick Hollenbeck <dick@softplc.com>" ) ) );
     info.AddDeveloper( SetMsg( wxT( "KBool Library <http://boolean.klaasholwerda.nl/bool.html>" ) ) );
+    info.AddDeveloper( SetMsg( wxT( "Vesa Solonen <vesa.solonen@hut.fi>" ) ) );
 
     /* Add document writers */
     info.AddDocWriter( wxT( "Jean-Pierre Charras <jean-pierre.charras@inpg.fr>" ) );

eeschema/component_class.cpp

@@ -400,7 +400,8 @@ void SCH_COMPONENT::SwapData( SCH_COMPONENT* copyitem )
 
     m_Fields.swap( copyitem->m_Fields );    // std::vector's swap()
 
-    // Reparent items after copying data (after swap() m_Pareny member does not points the right parent):
+    // Reparent items after copying data
+    // (after swap(), m_Parent member does not points the right parent):
     for( int ii = 0; ii < copyitem->GetFieldCount();  ++ii )
     {
        copyitem->GetField(ii)->m_Parent = copyitem;

include/build_version.h

@@ -9,7 +9,7 @@ COMMON_GLOBL wxString g_BuildVersion
 #    include "config.h"
      (wxT(KICAD_SVN_VERSION))
 #  else
-     (wxT("(20081008-unstable)")) /* main program version */
+     (wxT("(20081019-unstable)")) /* main program version */
 #  endif
 #endif
 ;
@@ -20,7 +20,7 @@ COMMON_GLOBL wxString g_BuildAboutVersion
 #    include "config.h"
      (wxT(KICAD_ABOUT_VERSION))
 #  else
-     (wxT("(20081008-unstable)")) /* svn date & rev (normally overridden) */
+     (wxT("(20081019-unstable)")) /* svn date & rev (normally overridden) */
 #  endif
 #endif
 ;

pcbnew/zones_convert_brd_items_to_polygons.cpp

@@ -380,8 +380,8 @@ void    AddThermalReliefPadPolygon( Bool_Engine* aBooleng,
         corners_buffer.push_back( corner_end.y );
 
         /* add the radius lines */
-        corners_buffer.push_back( copper_tickness.x / 2);
-        corners_buffer.push_back( copper_tickness.y / 2);
+        corners_buffer.push_back( copper_tickness.x / 2 );
+        corners_buffer.push_back( copper_tickness.y / 2 );
 
 
         // Now, add the 4 holes ( each is the pattern, rotated by 0, 90, 180 and 270  deg
@@ -408,6 +408,145 @@ void    AddThermalReliefPadPolygon( Bool_Engine* aBooleng,
         break;
 
     case PAD_OVAL:
+    {
+        // Oval pad support along the lines of round and rectangular pads
+
+        std::vector <wxPoint> corners_buffer;               // Polygon buffer as vector
+
+        int     dx = (aPad.m_Size.x / 2) + aThermalGap;     // Cutout radius x
+        int     dy = (aPad.m_Size.y / 2) + aThermalGap;     // Cutout radius y
+
+        wxPoint shape_offset;
+
+        if( dx > dy )   // Some coordinate fiddling, depending on the shape offset direction
+        {
+            shape_offset = wxPoint( (dx - dy), 0 );
+
+            // Crosspoint of thermal spoke sides, the first point of polygon buffer
+            corners_buffer.push_back( wxPoint( copper_tickness.x / 2, copper_tickness.y / 2 ) );
+
+            // Arc start point calculation, the intersecting point of cutout arc and thermal spoke edge
+            if( copper_tickness.x > dx - dy )      // If copper thickness is more than shape offset, we need to calculate arc intercept point.
+            {
+                corner.x = copper_tickness.x / 2;
+                corner.y =
+                    (int) sqrt( (double) ( dy * dy ) -
+                        ( ( corner.x - (dx - dy) ) * ( corner.x - (dx - dy) ) ) );
+                corner.x -= (dx - dy);
+            }
+            else
+            {
+                corner.x = copper_tickness.x / 2;
+                corner.y = dy;
+                corners_buffer.push_back( corner );
+                corner.x = ( (dx - dy) - copper_tickness.x ) / 2;
+            }
+
+            // Arc stop point calculation, the intersecting point of cutout arc and thermal spoke edge
+            corner_end.y = copper_tickness.y / 2;
+            corner_end.x = (int) sqrt( (double) ( ( dx * dx ) - ( corner_end.y * corner_end.y ) ) );
+        }
+        else
+        {
+            shape_offset = wxPoint( 0, (dx - dy) );
+            corners_buffer.push_back( wxPoint( copper_tickness.x / 2, -copper_tickness.y / 2 ) );
+
+            if( copper_tickness.y > dy - dx )
+            {
+                corner.y = copper_tickness.y / 2;
+                corner.x =
+                    (int) sqrt( (double) ( dx *
+                                           dx ) -
+                        ( ( corner.y - (dy - dx) ) * ( corner.y - (dy - dx) ) ) );
+                corner.y = ( -copper_tickness.y / 2 ) + (dy - dx);
+            }
+            else
+            {
+                corner.y = -copper_tickness.y / 2;
+                corner.x = dx;
+                corners_buffer.push_back( corner );
+                corner.y = ( (dy - dx) - copper_tickness.y ) / 2;
+            }
+            corner_end.x = copper_tickness.x / 2;
+            corner_end.y = -(int) sqrt( (double) ( ( dy * dy ) - ( corner_end.x * corner_end.x ) ) );
+        }
+
+
+        // calculate intermediate points till limit is reached
+        if( dx > dy )
+        {
+            while( (corner.y > corner_end.y)  && (corner.x < corner_end.x) )
+            {
+                corners_buffer.push_back( corner + shape_offset );
+                RotatePoint( &corner, delta );
+            }
+        }
+        else
+        {
+            while( (corner.y > corner_end.y)  && (corner.x > corner_end.x) )
+            {
+                corners_buffer.push_back( corner + shape_offset );
+                RotatePoint( &corner, delta );
+            }
+        }
+
+        //corners_buffer.push_back(corner + shape_offset);		// TODO: about one mil geometry error forms somewhere.
+        corners_buffer.push_back( corner_end );                   // Enabling the line above shows intersection point.
+
+
+        /* Create 2 holes, rotated by pad rotation.
+         */
+        angle = aPad.m_Orient;
+        for( int irect = 0; irect < 2; irect++ )
+        {
+            if( aBooleng->StartPolygonAdd( GROUP_B ) )
+            {
+                for( int ic = 0; ic < corners_buffer.size(); ic++ )
+                {
+                    wxPoint cpos = corners_buffer[ic];
+                    RotatePoint( &cpos, angle );
+                    cpos += PadShapePos;
+                    aBooleng->AddPoint( cpos.x, cpos.y );
+                }
+
+                aBooleng->EndPolygonAdd();
+                angle += 1800;   // this is calculate hole 3
+                if( angle >= 3600 )
+                    angle -= 3600;
+            }
+        }
+
+        // Create holes, that are the mirrored from the previous holes
+        for( int i = 0; i < corners_buffer.size(); i++ )
+        {
+            wxPoint swap = corners_buffer[i];
+            swap = wxPoint( -swap.x, swap.y );
+            corners_buffer[i] = swap;
+        }
+
+        // Now add corner 4 and 2 (2 is the corner 4 rotated by 180 deg
+        angle = aPad.m_Orient;
+        for( int irect = 0; irect < 2; irect++ )
+        {
+            if( aBooleng->StartPolygonAdd( GROUP_B ) )
+            {
+                for( int ic = 0; ic < corners_buffer.size(); ic++ )
+                {
+                    wxPoint cpos = corners_buffer[ic];
+                    RotatePoint( &cpos, angle );
+                    cpos += PadShapePos;
+                    aBooleng->AddPoint( cpos.x, cpos.y );
+                }
+
+                aBooleng->EndPolygonAdd();
+                angle += 1800;
+                if( angle >= 3600 )
+                    angle -= 3600;
+            }
+        }
+    }
+        break;
+
     case PAD_RECT:       // draw 4 Holes
     {
         /* we create 4 copper holes and put them in position 1, 2, 3 and 4
@@ -552,7 +691,7 @@ void AddRoundedEndsSegmentPolygon( Bool_Engine* aBooleng,
         startp = aEnd;
     }
     int delta_angle = ArcTangente( endp.y, endp.x );    // delta_angle is in 0.1 degrees
-    seg_len = (int) sqrt( ((double)endp.y * endp.y) + ((double)endp.x * endp.x) );
+    seg_len = (int) sqrt( ( (double) endp.y * endp.y ) + ( (double) endp.x * endp.x ) );
 
     if( !aBooleng->StartPolygonAdd( GROUP_B ) )
         return;                                 // error!