/* Build a pad outline as non filled polygon, to draw pads on silkscreen layer
* Used only to draw pads outlines on silkscreen layers.
*/
void EDA_3D_CANVAS::BuildPadShapeThickOutlineAsPolygon( const D_PAD* aPad,
CPOLYGONS_LIST& aCornerBuffer,
int aWidth,
int aCircleToSegmentsCount,
double aCorrectionFactor )
{
if( aPad->GetShape() == PAD_CIRCLE ) // Draw a ring
{
TransformRingToPolygon( aCornerBuffer, aPad->ShapePos(),
aPad->GetSize().x / 2, aCircleToSegmentsCount, aWidth );
return;
}
// For other shapes, draw polygon outlines
CPOLYGONS_LIST corners;
aPad->BuildPadShapePolygon( corners, wxSize( 0, 0 ),
aCircleToSegmentsCount, aCorrectionFactor );
// Add outlines as thick segments in polygon buffer
for( unsigned ii = 0, jj = corners.GetCornersCount() - 1;
ii < corners.GetCornersCount(); jj = ii, ii++ )
{
TransformRoundedEndsSegmentToPolygon( aCornerBuffer,
corners.GetPos( jj ),
corners.GetPos( ii ),
aCircleToSegmentsCount, aWidth );
}
}
/* Draw3D_VerticalPolygonalCylinder is a helper function.
*
* draws a "vertical cylinder" having a polygon shape
* from Z position = aZpos to aZpos + aHeight
* Used to create the vertical sides of 3D horizontal shapes with thickness.
*/
static void Draw3D_VerticalPolygonalCylinder( const CPOLYGONS_LIST& aPolysList,
int aHeight, int aZpos,
bool aInside, double aBiuTo3DUnits )
{
if( aHeight == 0 )
return;
std::vector<S3D_VERTEX> coords;
coords.resize( 4 );
// Init Z position of the 4 points of a GL_QUAD
if( aInside )
{
coords[0].z = aZpos;
coords[1].z = aZpos + aHeight;
}
else
{
coords[0].z = aZpos + aHeight;
coords[1].z = aZpos;
}
coords[2].z = coords[1].z;
coords[3].z = coords[0].z;
// Draw the vertical polygonal side
int startContour = 0;
for( unsigned ii = 0; ii < aPolysList.GetCornersCount(); ii++ )
{
unsigned jj = ii + 1;
if( aPolysList.IsEndContour( ii ) || jj >= aPolysList.GetCornersCount() )
{
jj = startContour;
startContour = ii + 1;
}
// Build the 4 vertices of each GL_QUAD
coords[0].x = aPolysList.GetX( ii );
coords[0].y = -aPolysList.GetY( ii );
coords[1].x = coords[0].x;
coords[1].y = coords[0].y; // only z change
coords[2].x = aPolysList.GetX( jj );
coords[2].y = -aPolysList.GetY( jj );
coords[3].x = coords[2].x;
coords[3].y = coords[2].y; // only z change
// Creates the GL_QUAD
TransfertToGLlist( coords, aBiuTo3DUnits );
}
}
const SHAPE_POLY_SET ConvertPolyListToPolySet( const CPOLYGONS_LIST& aList )
{
SHAPE_POLY_SET rv;
unsigned corners_count = aList.GetCornersCount();
// Enter main outline: this is the first contour
unsigned ic = 0;
if( !corners_count )
return rv;
int index = 0;
while( ic < corners_count )
{
int hole = -1;
if( index == 0 )
{
rv.NewOutline();
hole = -1;
}
else
{
hole = rv.NewHole();
}
while( ic < corners_count )
{
rv.Append( aList.GetX( ic ), aList.GetY( ic ), 0, hole );
if( aList.IsEndContour( ic ) )
break;
ic++;
}
ic++;
index++;
}
return rv;
}
// board edges and cutouts
static void export_vrml_board( MODEL_VRML& aModel, BOARD* pcb )
{
CPOLYGONS_LIST bufferPcbOutlines; // stores the board main outlines
CPOLYGONS_LIST allLayerHoles; // Contains through holes, calculated only once
allLayerHoles.reserve( 20000 );
// Build a polygon from edge cut items
wxString msg;
if( !pcb->GetBoardPolygonOutlines( bufferPcbOutlines,
allLayerHoles, &msg ) )
{
msg << wxT( "\n\n" ) <<
_( "Unable to calculate the board outlines;\n"
"fall back to using the board boundary box." );
wxMessageBox( msg );
}
double scale = aModel.scale;
int i = 0;
int seg;
// deal with the solid outlines
int nvert = bufferPcbOutlines.GetCornersCount();
while( i < nvert )
{
seg = aModel.board.NewContour();
if( seg < 0 )
{
msg << wxT( "\n\n" ) <<
_( "VRML Export Failed:\nCould not add outline to contours." );
wxMessageBox( msg );
return;
}
while( i < nvert )
{
if( bufferPcbOutlines[i].end_contour )
break;
aModel.board.AddVertex( seg, bufferPcbOutlines[i].x * scale,
-(bufferPcbOutlines[i].y * scale ) );
++i;
}
aModel.board.EnsureWinding( seg, false );
++i;
}
// deal with the holes
nvert = allLayerHoles.GetCornersCount();
i = 0;
while( i < nvert )
{
seg = aModel.holes.NewContour();
if( seg < 0 )
{
msg << wxT( "\n\n" ) <<
_( "VRML Export Failed:\nCould not add holes to contours." );
wxMessageBox( msg );
return;
}
while( i < nvert )
{
if( allLayerHoles[i].end_contour )
break;
aModel.holes.AddVertex( seg, allLayerHoles[i].x * scale,
-(allLayerHoles[i].y * scale ) );
++i;
}
aModel.holes.EnsureWinding( seg, true );
++i;
}
}
/* Function TransformOutlinesShapeWithClearanceToPolygon
* Convert the zone filled areas polygons to polygons
* inflated (optional) by max( aClearanceValue, the zone clearance)
* and copy them in aCornerBuffer
* param aClearanceValue = the clearance around polygons
* param aAddClearance = true to add a clearance area to the polygon
* false to create the outline polygon.
*/
void ZONE_CONTAINER::TransformOutlinesShapeWithClearanceToPolygon(
CPOLYGONS_LIST& aCornerBuffer,
int aClearanceValue, bool aAddClearance )
{
// Creates the zone outlines polygon (with linked holes if any)
CPOLYGONS_LIST zoneOutines;
BuildFilledSolidAreasPolygons( NULL, &zoneOutines );
// add clearance to outline
int clearance = 0;
if( aAddClearance )
{
clearance = GetClearance();
if( aClearanceValue > clearance )
clearance = aClearanceValue;
}
// Calculate the polygon with clearance
// holes are linked to the main outline, so only one polygon should be created.
KI_POLYGON_SET polyset_zone_solid_areas;
std::vector<KI_POLY_POINT> cornerslist;
unsigned ic = 0;
unsigned corners_count = zoneOutines.GetCornersCount();
while( ic < corners_count )
{
cornerslist.clear();
KI_POLYGON poly;
{
for( ; ic < corners_count; ic++ )
{
CPolyPt* corner = &zoneOutines[ic];
cornerslist.push_back( KI_POLY_POINT( corner->x, corner->y ) );
if( corner->end_contour )
{
ic++;
break;
}
}
bpl::set_points( poly, cornerslist.begin(), cornerslist.end() );
polyset_zone_solid_areas.push_back( poly );
}
}
polyset_zone_solid_areas += clearance;
// Put the resulting polygon in aCornerBuffer corners list
for( unsigned ii = 0; ii < polyset_zone_solid_areas.size(); ii++ )
{
KI_POLYGON& poly = polyset_zone_solid_areas[ii];
CPolyPt corner( 0, 0, false );
for( unsigned jj = 0; jj < poly.size(); jj++ )
{
KI_POLY_POINT point = *(poly.begin() + jj);
corner.x = point.x();
corner.y = point.y();
corner.end_contour = false;
aCornerBuffer.Append( corner );
}
aCornerBuffer.CloseLastContour();
}
}
/* draw all solid polygons found in aPolysList
* aZpos = z position in board internal units
* aThickness = thickness in board internal units
* If aThickness = 0, a polygon area is drawn in a XY plane at Z position = aZpos.
* If aThickness > 0, a solid object is drawn.
* The top side is located at aZpos + aThickness / 2
* The bottom side is located at aZpos - aThickness / 2
*/
void Draw3D_SolidHorizontalPolyPolygons( const CPOLYGONS_LIST& aPolysList,
int aZpos, int aThickness, double aBiuTo3DUnits,
bool aUseTextures )
{
// for Tess callback functions:
s_biuTo3Dunits = aBiuTo3DUnits;
s_useTextures = aUseTextures;
GLUtesselator* tess = gluNewTess();
gluTessCallback( tess, GLU_TESS_BEGIN, ( void (CALLBACK*) () )tessBeginCB );
gluTessCallback( tess, GLU_TESS_END, ( void (CALLBACK*) () )tessEndCB );
gluTessCallback( tess, GLU_TESS_ERROR, ( void (CALLBACK*) () )tessErrorCB );
gluTessCallback( tess, GLU_TESS_VERTEX, ( void (CALLBACK*) () )tessCPolyPt2Vertex );
GLdouble v_data[3];
double zpos = ( aZpos + (aThickness / 2.0) ) * aBiuTo3DUnits;
s_currentZpos = zpos; // for Tess callback functions
v_data[2] = aZpos + (aThickness / 2.0);
// Set normal toward positive Z axis, for a solid object on the top side
if( aThickness )
SetNormalZpos();
// gluTessProperty(tess, GLU_TESS_WINDING_RULE, GLU_TESS_WINDING_ODD);
// Draw solid areas contained in this list
CPOLYGONS_LIST polylist = aPolysList; // temporary copy for gluTessVertex
int startContour;
for( int side = 0; side < 2; side++ )
{
startContour = 1;
for( unsigned ii = 0; ii < polylist.GetCornersCount(); ii++ )
{
if( startContour == 1 )
{
gluTessBeginPolygon( tess, NULL );
gluTessBeginContour( tess );
startContour = 0;
}
// https://www.opengl.org/sdk/docs/man2/xhtml/gluTessNormal.xml
gluTessNormal( tess, 0.0, 0.0, 0.0 );
v_data[0] = polylist.GetX( ii ) * aBiuTo3DUnits;
v_data[1] = -polylist.GetY( ii ) * aBiuTo3DUnits;
// gluTessVertex store pointers on data, not data, so do not store
// different corners values in a temporary variable
// but send pointer on each CPolyPt value in polylist
// before calling gluDeleteTess
gluTessVertex( tess, v_data, &polylist[ii] );
if( polylist.IsEndContour( ii ) )
{
gluTessEndContour( tess );
gluTessEndPolygon( tess );
startContour = 1;
}
}
if( aThickness == 0 )
break;
// Prepare the bottom side of solid areas
zpos = ( aZpos - (aThickness / 2.0) ) * aBiuTo3DUnits;
s_currentZpos = zpos; // for Tess callback functions
v_data[2] = zpos;
// Set normal toward negative Z axis, for a solid object on bottom side
SetNormalZneg();
}
if( startContour == 0 )
{
gluTessEndContour( tess );
gluTessEndPolygon( tess );
}
gluDeleteTess( tess );
if( aThickness == 0 )
{
return;
}
// Build the 3D data : vertical side
Draw3D_VerticalPolygonalCylinder( polylist, aThickness, aZpos - (aThickness / 2.0), false, aBiuTo3DUnits );
}
/**
* Function AddClearanceAreasPolygonsToPolysList
* Supports a min thickness area constraint.
* Add non copper areas polygons (pads and tracks with clearance)
* to the filled copper area found
* in BuildFilledPolysListData after calculating filled areas in a zone
* Non filled copper areas are pads and track and their clearance areas
* The filled copper area must be computed just before.
* BuildFilledPolysListData() call this function just after creating the
* filled copper area polygon (without clearance areas)
* to do that this function:
* 1 - Creates the main outline (zone outline) using a correction to shrink the resulting area
* with m_ZoneMinThickness/2 value.
* The result is areas with a margin of m_ZoneMinThickness/2
* When drawing outline with segments having a thickness of m_ZoneMinThickness, the
* outlines will match exactly the initial outlines
* 3 - Add all non filled areas (pads, tracks) in group B with a clearance of m_Clearance +
* m_ZoneMinThickness/2
* in a buffer
* - If Thermal shapes are wanted, add non filled area, in order to create these thermal shapes
* 4 - calculates the polygon A - B
* 5 - put resulting list of polygons (filled areas) in m_FilledPolysList
* This zone contains pads with the same net.
* 6 - Remove insulated copper islands
* 7 - If Thermal shapes are wanted, remove unconnected stubs in thermal shapes:
* creates a buffer of polygons corresponding to stubs to remove
* sub them to the filled areas.
* Remove new insulated copper islands
*/
void ZONE_CONTAINER::AddClearanceAreasPolygonsToPolysList( BOARD* aPcb )
{
// Set the number of segments in arc approximations
if( m_ArcToSegmentsCount == ARC_APPROX_SEGMENTS_COUNT_HIGHT_DEF )
s_CircleToSegmentsCount = ARC_APPROX_SEGMENTS_COUNT_HIGHT_DEF;
else
s_CircleToSegmentsCount = ARC_APPROX_SEGMENTS_COUNT_LOW_DEF;
/* calculates the coeff to compensate radius reduction of holes clearance
* due to the segment approx.
* For a circle the min radius is radius * cos( 2PI / s_CircleToSegmentsCount / 2)
* s_Correction is 1 /cos( PI/s_CircleToSegmentsCount )
*/
s_Correction = 1.0 / cos( M_PI / s_CircleToSegmentsCount );
// This KI_POLYGON_SET is the area(s) to fill, with m_ZoneMinThickness/2
KI_POLYGON_SET polyset_zone_solid_areas;
int margin = m_ZoneMinThickness / 2;
/* First, creates the main polygon (i.e. the filled area using only one outline)
* to reserve a m_ZoneMinThickness/2 margin around the outlines and holes
* this margin is the room to redraw outlines with segments having a width set to
* m_ZoneMinThickness
* so m_ZoneMinThickness is the min thickness of the filled zones areas
* the main polygon is stored in polyset_zone_solid_areas
*/
CopyPolygonsFromFilledPolysListToKiPolygonList( polyset_zone_solid_areas );
polyset_zone_solid_areas -= margin;
if( polyset_zone_solid_areas.size() == 0 )
return;
/* Calculates the clearance value that meet DRC requirements
* from m_ZoneClearance and clearance from the corresponding netclass
* We have a "local" clearance in zones because most of time
* clearance between a zone and others items is bigger than the netclass clearance
* this is more true for small clearance values
* Note also the "local" clearance is used for clearance between non copper items
* or items like texts on copper layers
*/
int zone_clearance = std::max( m_ZoneClearance, GetClearance() );
zone_clearance += margin;
/* store holes (i.e. tracks and pads areas as polygons outlines)
* in a polygon list
*/
/* items ouside the zone bounding box are skipped
* the bounding box is the zone bounding box + the biggest clearance found in Netclass list
*/
EDA_RECT item_boundingbox;
EDA_RECT zone_boundingbox = GetBoundingBox();
int biggest_clearance = aPcb->GetDesignSettings().GetBiggestClearanceValue();
biggest_clearance = std::max( biggest_clearance, zone_clearance );
zone_boundingbox.Inflate( biggest_clearance );
/*
* First : Add pads. Note: pads having the same net as zone are left in zone.
* Thermal shapes will be created later if necessary
*/
int item_clearance;
// static to avoid unnecessary memory allocation when filling many zones.
static CPOLYGONS_LIST cornerBufferPolysToSubstract;
cornerBufferPolysToSubstract.RemoveAllContours();
/* Use a dummy pad to calculate hole clerance when a pad is not on all copper layers
* and this pad has a hole
* This dummy pad has the size and shape of the hole
* Therefore, this dummy pad is a circle or an oval.
* A pad must have a parent because some functions expect a non null parent
* to find the parent board, and some other data
*/
MODULE dummymodule( aPcb ); // Creates a dummy parent
D_PAD dummypad( &dummymodule );
for( MODULE* module = aPcb->m_Modules; module; module = module->Next() )
{
D_PAD* nextpad;
for( D_PAD* pad = module->Pads(); pad != NULL; pad = nextpad )
{
nextpad = pad->Next(); // pad pointer can be modified by next code, so
// calculate the next pad here
if( !pad->IsOnLayer( GetLayer() ) )
{
/* Test for pads that are on top or bottom only and have a hole.
* There are curious pads but they can be used for some components that are
* inside the board (in fact inside the hole. Some photo diodes and Leds are
* like this)
*/
if( pad->GetDrillSize().x == 0 && pad->GetDrillSize().y == 0 )
continue;
// Use a dummy pad to calculate a hole shape that have the same dimension as
// the pad hole
dummypad.SetSize( pad->GetDrillSize() );
dummypad.SetOrientation( pad->GetOrientation() );
dummypad.SetShape( pad->GetDrillShape() == PAD_DRILL_OBLONG ?
PAD_OVAL : PAD_CIRCLE );
dummypad.SetPosition( pad->GetPosition() );
pad = &dummypad;
}
// Note: netcode <=0 means not connected item
if( ( pad->GetNetCode() != GetNetCode() ) || ( pad->GetNetCode() <= 0 ) )
{
item_clearance = pad->GetClearance() + margin;
item_boundingbox = pad->GetBoundingBox();
item_boundingbox.Inflate( item_clearance );
if( item_boundingbox.Intersects( zone_boundingbox ) )
{
int clearance = std::max( zone_clearance, item_clearance );
pad->TransformShapeWithClearanceToPolygon( cornerBufferPolysToSubstract,
clearance,
s_CircleToSegmentsCount,
s_Correction );
}
continue;
}
if( ( GetPadConnection( pad ) == PAD_NOT_IN_ZONE )
|| ( pad->GetShape() == PAD_TRAPEZOID ) )
// PAD_TRAPEZOID shapes are not in zones because they are used in microwave apps
// and i think it is good that shapes are not changed by thermal pads or others
{
int gap = zone_clearance;
int thermalGap = GetThermalReliefGap( pad );
gap = std::max( gap, thermalGap );
item_boundingbox = pad->GetBoundingBox();
if( item_boundingbox.Intersects( zone_boundingbox ) )
{
pad->TransformShapeWithClearanceToPolygon( cornerBufferPolysToSubstract,
gap,
s_CircleToSegmentsCount,
s_Correction );
}
}
}
}
/* Add holes (i.e. tracks and vias areas as polygons outlines)
* in cornerBufferPolysToSubstract
*/
for( TRACK* track = aPcb->m_Track; track; track = track->Next() )
{
if( !track->IsOnLayer( GetLayer() ) )
continue;
if( track->GetNetCode() == GetNetCode() && (GetNetCode() != 0) )
continue;
item_clearance = track->GetClearance() + margin;
item_boundingbox = track->GetBoundingBox();
if( item_boundingbox.Intersects( zone_boundingbox ) )
{
int clearance = std::max( zone_clearance, item_clearance );
track->TransformShapeWithClearanceToPolygon( cornerBufferPolysToSubstract,
clearance,
s_CircleToSegmentsCount,
s_Correction );
}
}
/* Add module edge items that are on copper layers
* Pcbnew allows these items to be on copper layers in microwave applictions
* This is a bad thing, but must be handled here, until a better way is found
*/
for( MODULE* module = aPcb->m_Modules; module; module = module->Next() )
{
for( BOARD_ITEM* item = module->GraphicalItems(); item; item = item->Next() )
{
if( !item->IsOnLayer( GetLayer() ) && !item->IsOnLayer( Edge_Cuts ) )
continue;
if( item->Type() != PCB_MODULE_EDGE_T )
continue;
item_boundingbox = item->GetBoundingBox();
if( item_boundingbox.Intersects( zone_boundingbox ) )
{
( (EDGE_MODULE*) item )->TransformShapeWithClearanceToPolygon(
cornerBufferPolysToSubstract, zone_clearance,
s_CircleToSegmentsCount, s_Correction );
}
}
}
// Add graphic items (copper texts) and board edges
for( BOARD_ITEM* item = aPcb->m_Drawings; item; item = item->Next() )
{
if( item->GetLayer() != GetLayer() && item->GetLayer() != Edge_Cuts )
continue;
switch( item->Type() )
{
case PCB_LINE_T:
( (DRAWSEGMENT*) item )->TransformShapeWithClearanceToPolygon(
cornerBufferPolysToSubstract,
zone_clearance, s_CircleToSegmentsCount, s_Correction );
break;
case PCB_TEXT_T:
( (TEXTE_PCB*) item )->TransformBoundingBoxWithClearanceToPolygon(
cornerBufferPolysToSubstract, zone_clearance );
break;
default:
break;
}
}
// Add zones outlines having an higher priority and keepout
for( int ii = 0; ii < GetBoard()->GetAreaCount(); ii++ )
{
ZONE_CONTAINER* zone = GetBoard()->GetArea( ii );
if( zone->GetLayer() != GetLayer() )
continue;
if( !zone->GetIsKeepout() && zone->GetPriority() <= GetPriority() )
continue;
if( zone->GetIsKeepout() && ! zone->GetDoNotAllowCopperPour() )
continue;
// A highter priority zone or keepout area is found: remove its area
item_boundingbox = zone->GetBoundingBox();
if( !item_boundingbox.Intersects( zone_boundingbox ) )
continue;
// Add the zone outline area.
// However if the zone has the same net as the current zone,
// do not add clearance.
// the zone will be connected to the current zone, but filled areas
// will use different parameters (clearance, thermal shapes )
bool addclearance = GetNetCode() != zone->GetNetCode();
int clearance = zone_clearance;
if( zone->GetIsKeepout() )
{
addclearance = true;
clearance = m_ZoneMinThickness / 2;
}
zone->TransformOutlinesShapeWithClearanceToPolygon(
cornerBufferPolysToSubstract,
clearance, addclearance );
}
// Remove thermal symbols
for( MODULE* module = aPcb->m_Modules; module; module = module->Next() )
{
for( D_PAD* pad = module->Pads(); pad != NULL; pad = pad->Next() )
{
// Rejects non-standard pads with tht-only thermal reliefs
if( GetPadConnection( pad ) == THT_THERMAL
&& pad->GetAttribute() != PAD_STANDARD )
continue;
if( GetPadConnection( pad ) != THERMAL_PAD
&& GetPadConnection( pad ) != THT_THERMAL )
continue;
if( !pad->IsOnLayer( GetLayer() ) )
continue;
if( pad->GetNetCode() != GetNetCode() )
continue;
item_boundingbox = pad->GetBoundingBox();
int thermalGap = GetThermalReliefGap( pad );
item_boundingbox.Inflate( thermalGap, thermalGap );
if( item_boundingbox.Intersects( zone_boundingbox ) )
{
CreateThermalReliefPadPolygon( cornerBufferPolysToSubstract,
*pad, thermalGap,
GetThermalReliefCopperBridge( pad ),
m_ZoneMinThickness,
s_CircleToSegmentsCount,
s_Correction, s_thermalRot );
}
}
}
// cornerBufferPolysToSubstract contains polygons to substract.
// polyset_zone_solid_areas contains the main filled area
// Calculate now actual solid areas
if( cornerBufferPolysToSubstract.GetCornersCount() > 0 )
{
KI_POLYGON_SET polyset_holes;
cornerBufferPolysToSubstract.ExportTo( polyset_holes );
// Remove holes from initial area.:
polyset_zone_solid_areas -= polyset_holes;
}
// put solid areas in m_FilledPolysList:
m_FilledPolysList.RemoveAllContours();
CopyPolygonsFromKiPolygonListToFilledPolysList( polyset_zone_solid_areas );
// Remove insulated islands:
if( GetNetCode() > 0 )
TestForCopperIslandAndRemoveInsulatedIslands( aPcb );
// Now we remove all unused thermal stubs.
cornerBufferPolysToSubstract.RemoveAllContours();
// Test thermal stubs connections and add polygons to remove unconnected stubs.
// (this is a refinement for thermal relief shapes)
if( GetNetCode() > 0 )
BuildUnconnectedThermalStubsPolygonList( cornerBufferPolysToSubstract, aPcb, this,
s_Correction, s_thermalRot );
// remove copper areas corresponding to not connected stubs
if( cornerBufferPolysToSubstract.GetCornersCount() )
{
KI_POLYGON_SET polyset_holes;
cornerBufferPolysToSubstract.ExportTo( polyset_holes );
// Remove unconnected stubs
polyset_zone_solid_areas -= polyset_holes;
// put these areas in m_FilledPolysList
m_FilledPolysList.RemoveAllContours();
CopyPolygonsFromKiPolygonListToFilledPolysList( polyset_zone_solid_areas );
if( GetNetCode() > 0 )
TestForCopperIslandAndRemoveInsulatedIslands( aPcb );
}
cornerBufferPolysToSubstract.RemoveAllContours();
}
/**
* Function buildBoard3DAuxLayers
* Called by CreateDrawGL_List()
* Fills the OpenGL GL_ID_BOARD draw list with items
* on aux layers only
*/
void EDA_3D_CANVAS::buildBoard3DAuxLayers( REPORTER* aErrorMessages, REPORTER* aActivity )
{
const int segcountforcircle = 18;
double correctionFactor = 1.0 / cos( M_PI / (segcountforcircle * 2) );
BOARD* pcb = GetBoard();
CPOLYGONS_LIST bufferPolys;
bufferPolys.reserve( 5000 ); // Reserve for items not on board
static const LAYER_ID sequence[] = {
Dwgs_User,
Cmts_User,
Eco1_User,
Eco2_User,
Edge_Cuts,
Margin
};
for( LSEQ aux( sequence, sequence+DIM(sequence) ); aux; ++aux )
{
LAYER_ID layer = *aux;
if( !is3DLayerEnabled( layer ) )
continue;
if( aActivity )
aActivity->Report( wxString::Format( _( "Build layer %s" ), LSET::Name( layer ) ) );
bufferPolys.RemoveAllContours();
for( BOARD_ITEM* item = pcb->m_Drawings; item; item = item->Next() )
{
if( !item->IsOnLayer( layer ) )
continue;
switch( item->Type() )
{
case PCB_LINE_T:
( (DRAWSEGMENT*) item )->TransformShapeWithClearanceToPolygon(
bufferPolys, 0, segcountforcircle, correctionFactor );
break;
case PCB_TEXT_T:
( (TEXTE_PCB*) item )->TransformShapeWithClearanceToPolygonSet(
bufferPolys, 0, segcountforcircle, correctionFactor );
break;
default:
break;
}
}
for( MODULE* module = pcb->m_Modules; module; module = module->Next() )
{
module->TransformPadsShapesWithClearanceToPolygon( layer,
bufferPolys,
0,
segcountforcircle,
correctionFactor );
module->TransformGraphicShapesWithClearanceToPolygonSet( layer,
bufferPolys,
0,
segcountforcircle,
correctionFactor );
}
// bufferPolys contains polygons to merge. Many overlaps .
// Calculate merged polygons and remove pads and vias holes
if( bufferPolys.GetCornersCount() == 0 )
continue;
KI_POLYGON_SET currLayerPolyset;
KI_POLYGON_SET polyset;
bufferPolys.ExportTo( polyset );
currLayerPolyset += polyset;
int thickness = GetPrm3DVisu().GetLayerObjectThicknessBIU( layer );
int zpos = GetPrm3DVisu().GetLayerZcoordBIU( layer );
// for Draw3D_SolidHorizontalPolyPolygons,
// zpos it the middle between bottom and top sides.
// However for top layers, zpos should be the bottom layer pos,
// and for bottom layers, zpos should be the top layer pos.
if( Get3DLayer_Z_Orientation( layer ) > 0 )
zpos += thickness/2;
else
zpos -= thickness/2 ;
bufferPolys.RemoveAllContours();
bufferPolys.ImportFrom( currLayerPolyset );
float zNormal = 1.0f; // When using thickness it will draw first the top and then botton (with z inverted)
// If we are not using thickness, then the znormal must face the layer direction
// because it will draw just one plane
if( !thickness )
zNormal = Get3DLayer_Z_Orientation( layer );
setGLTechLayersColor( layer );
Draw3D_SolidHorizontalPolyPolygons( bufferPolys, zpos,
thickness, GetPrm3DVisu().m_BiuTo3Dunits, false,
zNormal );
}
}
