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Corrections for zones now have a min thickness filled area parameter

This commit is contained in:
charras 2008-11-23 08:07:10 +00:00
parent 3322e33e28
commit 237a8539fc
1 changed files with 30 additions and 7 deletions
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37
pcbnew/zones_convert_brd_items_to_polygons.cpp
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@ -33,7 +33,7 @@ void AddPadWithClearancePolygon( Bool_Engine* aBooleng, D_PAD& aPad, int
void AddThermalReliefPadPolygon( Bool_Engine* aBooleng,
D_PAD& aPad,
int aThermalGap,
int aCopperThickness );
int aCopperThickness, int aMinThicknessValue );
void AddRoundedEndsSegmentPolygon( Bool_Engine* aBooleng,
wxPoint aStart, wxPoint aEnd,
int aWidth );
@ -216,8 +216,9 @@ void ZONE_CONTAINER::AddClearanceAreasPolygonsToPolysList( BOARD* aPcb )
item_boundingbox.Inflate( m_ThermalReliefGapValue, m_ThermalReliefGapValue );
if( item_boundingbox.Intersects( zone_boundingbox ) )
AddThermalReliefPadPolygon( booleng, *pad,
m_ThermalReliefGapValue/* + (m_ZoneMinThickness/2)*/,
m_ThermalReliefCopperBridgeValue /*- m_ZoneMinThickness*/ );
m_ThermalReliefGapValue,
m_ThermalReliefCopperBridgeValue,
m_ZoneMinThickness);
break;
case PAD_IN_ZONE:
@ -423,7 +424,10 @@ void AddPadWithClearancePolygon( Bool_Engine* aBooleng,
/** function AddThermalReliefPadPolygon
* Add holes around a pad to create a thermal relief
* copper tickness is min (dx/2, aCopperWitdh) or min (dy/2, aCopperWitdh)
* gap is aThermalGap
* @param aBooleng = current Bool_Engine
* @param aPad = the current pad used to create the thermal shape
* @param aThermalGap = gap in thermal shape
* @param aMinThicknessValue = min copper thickness allowed
*/
/* thermal reliefs are created as 4 polygons.
@ -447,11 +451,14 @@ void AddPadWithClearancePolygon( Bool_Engine* aBooleng,
* So to avoid this, the workaround is do not use holes outlines that include
* angles less than 90 deg between 2 consecutive lines
* this is made in round and oblong thermal reliefs
*
* Note: polygons are drawm using outlines witk a thickness = aMinThicknessValue
* so shapes must keep in account this outline thickness
*/
void AddThermalReliefPadPolygon( Bool_Engine* aBooleng,
D_PAD& aPad,
int aThermalGap,
int aCopperThickness )
int aCopperThickness, int aMinThicknessValue )
{
wxPoint corner, corner_end;
wxPoint PadShapePos = aPad.ReturnShapePos(); /* Note: for pad having a shape offset,
@ -463,12 +470,28 @@ void AddThermalReliefPadPolygon( Bool_Engine* aBooleng,
int delta = 3600 / s_CircleToSegmentsCount; // rot angle in 0.1 degree
/* Keep in account the polygon outline thickness
* aThermalGap must be increased by aMinThicknessValue/2 because drawing external outline
* with a thickness of aMinThicknessValue will reduce gap by aMinThicknessValue/2
*/
aThermalGap += aMinThicknessValue/2;
/* Keep in account the polygon outline thickness
* copper_tickness must be decreased by aMinThicknessValue because drawing outlines
* with a thickness of aMinThicknessValue will increase thickness by aMinThicknessValue
*/
aCopperThickness -= aMinThicknessValue;
if ( aCopperThickness < 0 )
aCopperThickness = 0;
copper_tickness.x = min( dx, aCopperThickness );
copper_tickness.y = min( dy, aCopperThickness );
if ( copper_tickness.x < aMinThicknessValue )
copper_tickness.x = 0;
if ( copper_tickness.y < aMinThicknessValue )
copper_tickness.y = 0;
switch( aPad.m_PadShape )
{
case PAD_CIRCLE: // Add 4 similar holes
@ -531,8 +554,8 @@ void AddThermalReliefPadPolygon( Bool_Engine* aBooleng,
// bad filled polygon on some cases, when pads are on a same vertical line
// this seems a bug in kbool polygon (exists in 1.9 kbool version)
// angle = 450 (45.0 degrees orientation) seems work fine.
// angle = 0 with thermal shapes without angle < 90 deg seems works fine also
angle = 0;
// angle = 0 with thermal shapes without angle < 90 deg has problems in rare circumstances
angle = 450;
int angle_pad = aPad.m_Orient; // Pad orientation
for( unsigned ihole = 0; ihole < 4; ihole++ )
{