void PCB_PAINTER::draw( const D_PAD* aPad, int aLayer )
{
PAD_SHAPE_T shape;
double m, n;
double orientation = aPad->GetOrientation();
// Draw description layer
if( IsNetnameLayer( aLayer ) )
{
VECTOR2D position( aPad->ShapePos() );
// Is anything that we can display enabled?
if( m_pcbSettings.m_netNamesOnPads || m_pcbSettings.m_padNumbers )
{
bool displayNetname = ( m_pcbSettings.m_netNamesOnPads && !aPad->GetNetname().empty() );
VECTOR2D padsize = VECTOR2D( aPad->GetSize() );
double maxSize = PCB_RENDER_SETTINGS::MAX_FONT_SIZE;
double size = padsize.y;
// Keep the size ratio for the font, but make it smaller
if( padsize.x < padsize.y )
{
orientation += 900.0;
size = padsize.x;
std::swap( padsize.x, padsize.y );
}
else if( padsize.x == padsize.y )
{
// If the text is displayed on a symmetrical pad, do not rotate it
orientation = 0.0;
}
// Font size limits
if( size > maxSize )
size = maxSize;
m_gal->Save();
m_gal->Translate( position );
// do not display descriptions upside down
NORMALIZE_ANGLE_90( orientation );
m_gal->Rotate( DECIDEG2RAD( -orientation ) );
// Default font settings
m_gal->SetHorizontalJustify( GR_TEXT_HJUSTIFY_CENTER );
m_gal->SetVerticalJustify( GR_TEXT_VJUSTIFY_CENTER );
m_gal->SetFontBold( false );
m_gal->SetFontItalic( false );
m_gal->SetTextMirrored( false );
m_gal->SetStrokeColor( m_pcbSettings.GetColor( NULL, aLayer ) );
m_gal->SetIsStroke( true );
m_gal->SetIsFill( false );
// Set the text position to the pad shape position (the pad position is not the best place)
VECTOR2D textpos( 0.0, 0.0 );
// Divide the space, to display both pad numbers and netnames
// and set the Y text position to display 2 lines
if( displayNetname && m_pcbSettings.m_padNumbers )
{
size = size / 2.0;
textpos.y = size / 2.0;
}
if( displayNetname )
{
wxString netname = UnescapeString( aPad->GetShortNetname() );
// calculate the size of net name text:
double tsize = 1.5 * padsize.x / netname.Length();
tsize = std::min( tsize, size );
// Use a smaller text size to handle interline, pen size..
tsize *= 0.7;
VECTOR2D namesize( tsize, tsize );
m_gal->SetGlyphSize( namesize );
m_gal->SetLineWidth( namesize.x / 12.0 );
m_gal->BitmapText( netname, textpos, 0.0 );
}
if( m_pcbSettings.m_padNumbers )
{
const wxString& padName = aPad->GetName();
textpos.y = -textpos.y;
double tsize = 1.5 * padsize.x / padName.Length();
tsize = std::min( tsize, size );
// Use a smaller text size to handle interline, pen size..
tsize *= 0.7;
tsize = std::min( tsize, size );
VECTOR2D numsize( tsize, tsize );
m_gal->SetGlyphSize( numsize );
m_gal->SetLineWidth( numsize.x / 12.0 );
m_gal->BitmapText( padName, textpos, 0.0 );
}
m_gal->Restore();
}
return;
}
// Pad drawing
COLOR4D color;
// Pad holes color is type specific
if( aLayer == LAYER_PADS_PLATEDHOLES || aLayer == LAYER_NON_PLATEDHOLES )
{
// Hole color is the background color for plated holes, but a specific color
// for not plated holes (LAYER_NON_PLATEDHOLES color layer )
if( aPad->GetAttribute() == PAD_ATTRIB_HOLE_NOT_PLATED )
color = m_pcbSettings.GetColor( nullptr, LAYER_NON_PLATEDHOLES );
// Don't let pads that *should* be NPTH get lost
else if( aPad->PadShouldBeNPTH() )
color = m_pcbSettings.GetColor( aPad, aLayer );
else
color = m_pcbSettings.GetBackgroundColor();
}
else
{
color = m_pcbSettings.GetColor( aPad, aLayer );
}
VECTOR2D size;
if( m_pcbSettings.m_sketchMode[LAYER_PADS_TH] )
{
// Outline mode
m_gal->SetIsFill( false );
m_gal->SetIsStroke( true );
m_gal->SetLineWidth( m_pcbSettings.m_outlineWidth );
m_gal->SetStrokeColor( color );
}
else
{
// Filled mode
m_gal->SetIsFill( true );
m_gal->SetIsStroke( false );
m_gal->SetFillColor( color );
}
m_gal->Save();
m_gal->Translate( VECTOR2D( aPad->GetPosition() ) );
m_gal->Rotate( -aPad->GetOrientationRadians() );
int custom_margin = 0; // a clearance/margin for custom shape, for solder paste/mask
// Choose drawing settings depending on if we are drawing a pad itself or a hole
if( aLayer == LAYER_PADS_PLATEDHOLES || aLayer == LAYER_NON_PLATEDHOLES )
{
// Drawing hole: has same shape as PAD_CIRCLE or PAD_OVAL
size = getDrillSize( aPad ) / 2.0;
shape = getDrillShape( aPad ) == PAD_DRILL_SHAPE_OBLONG ? PAD_SHAPE_OVAL : PAD_SHAPE_CIRCLE;
}
else if( aLayer == F_Mask || aLayer == B_Mask )
{
// Drawing soldermask
int soldermaskMargin = aPad->GetSolderMaskMargin();
custom_margin = soldermaskMargin;
m_gal->Translate( VECTOR2D( aPad->GetOffset() ) );
size = VECTOR2D( aPad->GetSize().x / 2.0 + soldermaskMargin,
aPad->GetSize().y / 2.0 + soldermaskMargin );
shape = aPad->GetShape();
}
else if( aLayer == F_Paste || aLayer == B_Paste )
{
// Drawing solderpaste
wxSize solderpasteMargin = aPad->GetSolderPasteMargin();
// try to find a clearance which can be used for custom shapes
custom_margin = solderpasteMargin.x;
m_gal->Translate( VECTOR2D( aPad->GetOffset() ) );
size = VECTOR2D( aPad->GetSize().x / 2.0 + solderpasteMargin.x,
aPad->GetSize().y / 2.0 + solderpasteMargin.y );
shape = aPad->GetShape();
}
else
{
// Drawing every kind of pad
m_gal->Translate( VECTOR2D( aPad->GetOffset() ) );
size = VECTOR2D( aPad->GetSize() ) / 2.0;
shape = aPad->GetShape();
}
switch( shape )
{
case PAD_SHAPE_OVAL:
if( size.y >= size.x )
{
m = ( size.y - size.x );
n = size.x;
m_gal->DrawArc( VECTOR2D( 0, -m ), n, -M_PI, 0 );
m_gal->DrawArc( VECTOR2D( 0, m ), n, M_PI, 0 );
if( m_pcbSettings.m_sketchMode[LAYER_PADS_TH] )
{
m_gal->DrawLine( VECTOR2D( -n, -m ), VECTOR2D( -n, m ) );
m_gal->DrawLine( VECTOR2D( n, -m ), VECTOR2D( n, m ) );
}
else
{
m_gal->DrawRectangle( VECTOR2D( -n, -m ), VECTOR2D( n, m ) );
}
}
else
{
m = ( size.x - size.y );
n = size.y;
m_gal->DrawArc( VECTOR2D( -m, 0 ), n, M_PI / 2, 3 * M_PI / 2 );
m_gal->DrawArc( VECTOR2D( m, 0 ), n, M_PI / 2, -M_PI / 2 );
if( m_pcbSettings.m_sketchMode[LAYER_PADS_TH] )
{
m_gal->DrawLine( VECTOR2D( -m, -n ), VECTOR2D( m, -n ) );
m_gal->DrawLine( VECTOR2D( -m, n ), VECTOR2D( m, n ) );
}
else
{
m_gal->DrawRectangle( VECTOR2D( -m, -n ), VECTOR2D( m, n ) );
}
}
break;
case PAD_SHAPE_RECT:
m_gal->DrawRectangle( VECTOR2D( -size.x, -size.y ), VECTOR2D( size.x, size.y ) );
break;
case PAD_SHAPE_ROUNDRECT:
case PAD_SHAPE_CHAMFERED_RECT:
{
SHAPE_POLY_SET polySet;
wxSize prsize( size.x * 2, size.y * 2 ); // size is the half pad area size)
const int corner_radius = aPad->GetRoundRectCornerRadius( prsize );
bool doChamfer = shape == PAD_SHAPE_CHAMFERED_RECT;
auto board = aPad->GetBoard();
int maxError = ARC_HIGH_DEF;
if( board )
maxError = board->GetDesignSettings().m_MaxError;
TransformRoundChamferedRectToPolygon( polySet, wxPoint( 0, 0 ), prsize,
0.0, corner_radius, aPad->GetChamferRectRatio(),
doChamfer ? aPad->GetChamferPositions() : 0, maxError );
m_gal->DrawPolygon( polySet );
break;
}
case PAD_SHAPE_CUSTOM:
{ // Draw the complex custom shape
// Use solder[Paste/Mask]size or pad size to build pad shape
// however, solder[Paste/Mask] size has no actual meaning for a
// custom shape, because it is a set of basic shapes
// We use the custom_margin (good for solder mask, but approximative
// for solder paste).
if( custom_margin )
{
auto board = aPad->GetBoard();
int maxError = ARC_HIGH_DEF;
if( board )
maxError = board->GetDesignSettings().m_MaxError;
SHAPE_POLY_SET outline;
outline.Append( aPad->GetCustomShapeAsPolygon() );
// outline polygon can have holes linked to the main outline.
// So use InflateWithLinkedHoles(), not Inflate() that can create
// bad shapes if custom_margin is < 0
int numSegs = std::max( GetArcToSegmentCount( custom_margin, maxError, 360.0 ), 6 );
outline.InflateWithLinkedHoles( custom_margin, numSegs, SHAPE_POLY_SET::PM_FAST );
m_gal->DrawPolygon( outline );
}
else
{
// Draw the polygon: only one polygon is expected
// However we provide a multi polygon shape drawing
// ( for the future or to show even an incorrect shape
m_gal->DrawPolygon( aPad->GetCustomShapeAsPolygon() );
}
}
break;
case PAD_SHAPE_TRAPEZOID:
{
std::deque<VECTOR2D> pointList;
wxPoint corners[4];
VECTOR2D padSize = VECTOR2D( aPad->GetSize().x, aPad->GetSize().y ) / 2;
VECTOR2D deltaPadSize = size - padSize; // = solder[Paste/Mask]Margin or 0
aPad->BuildPadPolygon( corners, wxSize( deltaPadSize.x, deltaPadSize.y ), 0.0 );
SHAPE_POLY_SET polySet;
polySet.NewOutline();
polySet.Append( VECTOR2I( corners[0] ) );
polySet.Append( VECTOR2I( corners[1] ) );
polySet.Append( VECTOR2I( corners[2] ) );
polySet.Append( VECTOR2I( corners[3] ) );
m_gal->DrawPolygon( polySet );
}
break;
case PAD_SHAPE_CIRCLE:
m_gal->DrawCircle( VECTOR2D( 0.0, 0.0 ), size.x );
break;
}
m_gal->Restore();
// Clearance lines
// It has to be called after GAL::Restore() as TransformShapeWithClearanceToPolygon()
// returns already transformed coordinates
constexpr int clearanceFlags = /*PCB_RENDER_SETTINGS::CL_EXISTING |*/ PCB_RENDER_SETTINGS::CL_PADS;
if( ( m_pcbSettings.m_clearance & clearanceFlags ) == clearanceFlags
&& ( aLayer == LAYER_PAD_FR
|| aLayer == LAYER_PAD_BK
|| aLayer == LAYER_PADS_TH ) )
{
SHAPE_POLY_SET polySet;
aPad->TransformShapeWithClearanceToPolygon( polySet, aPad->GetClearance() );
m_gal->SetLineWidth( m_pcbSettings.m_outlineWidth );
m_gal->SetIsStroke( true );
m_gal->SetIsFill( false );
m_gal->SetStrokeColor( color );
m_gal->DrawPolygon( polySet );
}
}
