void EDA_3D_CANVAS::buildTechLayers3DView( REPORTER* aErrorMessages, REPORTER* aActivity )
{
BOARD* pcb = GetBoard();
bool useTextures = isRealisticMode() && isEnabled( FL_RENDER_TEXTURES );
// Number of segments to draw a circle using segments
const int segcountforcircle = 18;
double correctionFactor = 1.0 / cos( M_PI / (segcountforcircle * 2) );
const int segcountLowQuality = 12; // segments to draw a circle with low quality
// to reduce time calculations
// for holes and items which do not need
// a fine representation
double correctionFactorLQ = 1.0 / cos( M_PI / (segcountLowQuality * 2) );
// segments to draw a circle to build texts. Is is used only to build
// the shape of each segment of the stroke font, therefore no need to have
// many segments per circle.
const int segcountInStrokeFont = 8;
SHAPE_POLY_SET bufferPolys;
SHAPE_POLY_SET allLayerHoles; // Contains through holes, calculated only once
SHAPE_POLY_SET bufferPcbOutlines; // stores the board main outlines
// Build a polygon from edge cut items
wxString msg;
if( !pcb->GetBoardPolygonOutlines( bufferPcbOutlines, allLayerHoles, &msg ) )
{
if( aErrorMessages )
{
msg << wxT("\n") <<
_("Unable to calculate the board outlines.\n"
"Therefore use the board boundary box.") << wxT("\n\n");
aErrorMessages->Report( msg, REPORTER::RPT_WARNING );
}
}
// Build board holes, with no optimization of large holes shape.
buildBoardThroughHolesPolygonList( allLayerHoles, segcountLowQuality, false );
// draw graphic items, on technical layers
static const LAYER_ID teckLayerList[] = {
B_Adhes,
F_Adhes,
B_Paste,
F_Paste,
B_SilkS,
F_SilkS,
B_Mask,
F_Mask,
};
// User layers are not drawn here, only technical layers
for( LSEQ seq = LSET::AllTechMask().Seq( teckLayerList, DIM( teckLayerList ) ); seq; ++seq )
{
LAYER_ID layer = *seq;
if( !is3DLayerEnabled( layer ) )
continue;
if( layer == Edge_Cuts && isEnabled( FL_SHOW_BOARD_BODY ) )
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, segcountLowQuality, 1.0 );
break;
default:
break;
}
}
for( MODULE* module = pcb->m_Modules; module; module = module->Next() )
{
if( layer == F_SilkS || layer == B_SilkS )
{
// On silk screen layers, the pad shape is only the pad outline
// never a filled shape
D_PAD* pad = module->Pads();
int linewidth = g_DrawDefaultLineThickness;
for( ; pad; pad = pad->Next() )
{
if( !pad->IsOnLayer( layer ) )
continue;
buildPadShapeThickOutlineAsPolygon( pad, bufferPolys,
linewidth, segcountforcircle, correctionFactor );
}
}
else
module->TransformPadsShapesWithClearanceToPolygon( layer,
bufferPolys, 0, segcountforcircle, correctionFactor );
// On tech layers, use a poor circle approximation, only for texts (stroke font)
module->TransformGraphicShapesWithClearanceToPolygonSet( layer,
bufferPolys, 0, segcountforcircle, correctionFactor, segcountInStrokeFont );
}
// Draw non copper zones
if( isEnabled( FL_ZONE ) )
{
for( int ii = 0; ii < pcb->GetAreaCount(); ii++ )
{
ZONE_CONTAINER* zone = pcb->GetArea( ii );
if( !zone->IsOnLayer( layer ) )
continue;
zone->TransformSolidAreasShapesToPolygonSet(
bufferPolys, segcountLowQuality, correctionFactorLQ );
}
}
// bufferPolys contains polygons to merge. Many overlaps .
// Calculate merged polygons and remove pads and vias holes
if( bufferPolys.IsEmpty() )
continue;
// Solder mask layers are "negative" layers.
// Shapes should be removed from the full board area.
if( layer == B_Mask || layer == F_Mask )
{
SHAPE_POLY_SET cuts = bufferPolys;
bufferPolys = bufferPcbOutlines;
cuts.Append(allLayerHoles);
cuts.Simplify();
bufferPolys.BooleanSubtract( cuts );
}
// Remove holes from Solder paste layers and silkscreen
else if( layer == B_Paste || layer == F_Paste
|| layer == B_SilkS || layer == F_SilkS )
{
bufferPolys.BooleanSubtract( allLayerHoles );
}
int thickness = 0;
if( layer != B_Mask && layer != F_Mask )
thickness = GetPrm3DVisu().GetLayerObjectThicknessBIU( layer );
int zpos = GetPrm3DVisu().GetLayerZcoordBIU( layer );
if( layer == Edge_Cuts )
{
thickness = GetPrm3DVisu().GetLayerZcoordBIU( F_Cu )
- GetPrm3DVisu().GetLayerZcoordBIU( B_Cu );
zpos = GetPrm3DVisu().GetLayerZcoordBIU( B_Cu )
+ (thickness / 2);
}
else
{
// 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 ;
}
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, useTextures,
zNormal );
}
}
/**
* 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();
SHAPE_POLY_SET bufferPolys;
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.IsEmpty() )
continue;
bufferPolys.Simplify( polygonsCalcMode );
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 ;
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 );
}
}
