kicad/pcbnew/zone.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2017 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 1992-2020 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <bitmaps.h>
#include <geometry/geometry_utils.h>
#include <geometry/shape_null.h>
#include <core/mirror.h>
#include <advanced_config.h>
#include <pcb_edit_frame.h>
#include <pcb_screen.h>
#include <board.h>
#include <zone.h>
#include <kicad_string.h>
#include <math_for_graphics.h>
#include <settings/color_settings.h>
#include <settings/settings_manager.h>
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#include <trigo.h>
#include <i18n_utility.h>
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ZONE::ZONE( BOARD_ITEM_CONTAINER* aParent, bool aInFP ) :
BOARD_CONNECTED_ITEM( aParent, aInFP ? PCB_FP_ZONE_T : PCB_ZONE_T ),
m_area( 0.0 )
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{
m_CornerSelection = nullptr; // no corner is selected
m_isFilled = false; // fill status : true when the zone is filled
m_fillMode = ZONE_FILL_MODE::POLYGONS;
m_borderStyle = ZONE_BORDER_DISPLAY_STYLE::DIAGONAL_EDGE;
m_borderHatchPitch = GetDefaultHatchPitch();
m_hv45 = false;
m_hatchThickness = 0;
m_hatchGap = 0;
m_hatchOrientation = 0.0;
m_hatchSmoothingLevel = 0; // Grid pattern smoothing type. 0 = no smoothing
m_hatchSmoothingValue = 0.1; // Grid pattern chamfer value relative to the gap value
// used only if m_hatchSmoothingLevel > 0
m_hatchHoleMinArea = 0.3; // Min size before holes are dropped (ratio of hole size)
m_hatchBorderAlgorithm = 1; // 0 = use zone min thickness; 1 = use hatch width
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m_priority = 0;
m_cornerSmoothingType = ZONE_SETTINGS::SMOOTHING_NONE;
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SetIsRuleArea( aInFP ); // Zones living in footprints have the rule area option
SetDoNotAllowCopperPour( false ); // has meaning only if m_isRuleArea == true
SetDoNotAllowVias( true ); // has meaning only if m_isRuleArea == true
SetDoNotAllowTracks( true ); // has meaning only if m_isRuleArea == true
SetDoNotAllowPads( true ); // has meaning only if m_isRuleArea == true
SetDoNotAllowFootprints( false ); // has meaning only if m_isRuleArea == true
m_cornerRadius = 0;
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SetLocalFlags( 0 ); // flags tempoarry used in zone calculations
m_Poly = new SHAPE_POLY_SET(); // Outlines
m_fillVersion = 5; // set the "old" way to build filled polygon areas (< 6.0.x)
m_islandRemovalMode = ISLAND_REMOVAL_MODE::ALWAYS;
aParent->GetZoneSettings().ExportSetting( *this );
m_needRefill = false; // True only after some edition.
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}
ZONE::ZONE( const ZONE& aZone )
: BOARD_CONNECTED_ITEM( aZone ),
m_Poly( nullptr ),
m_CornerSelection( nullptr )
{
InitDataFromSrcInCopyCtor( aZone );
}
ZONE& ZONE::operator=( const ZONE& aOther )
{
BOARD_CONNECTED_ITEM::operator=( aOther );
InitDataFromSrcInCopyCtor( aOther );
return *this;
}
ZONE::~ZONE()
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{
delete m_Poly;
delete m_CornerSelection;
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}
void ZONE::InitDataFromSrcInCopyCtor( const ZONE& aZone )
{
// members are expected non initialize in this.
// InitDataFromSrcInCopyCtor() is expected to be called
// only from a copy constructor.
// Copy only useful EDA_ITEM flags:
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m_flags = aZone.m_flags;
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m_forceVisible = aZone.m_forceVisible;
// Replace the outlines for aZone outlines.
delete m_Poly;
m_Poly = new SHAPE_POLY_SET( *aZone.m_Poly );
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m_cornerSmoothingType = aZone.m_cornerSmoothingType;
m_cornerRadius = aZone.m_cornerRadius;
m_zoneName = aZone.m_zoneName;
m_priority = aZone.m_priority;
m_isRuleArea = aZone.m_isRuleArea;
SetLayerSet( aZone.GetLayerSet() );
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m_doNotAllowCopperPour = aZone.m_doNotAllowCopperPour;
m_doNotAllowVias = aZone.m_doNotAllowVias;
m_doNotAllowTracks = aZone.m_doNotAllowTracks;
m_doNotAllowPads = aZone.m_doNotAllowPads;
m_doNotAllowFootprints = aZone.m_doNotAllowFootprints;
m_PadConnection = aZone.m_PadConnection;
m_ZoneClearance = aZone.m_ZoneClearance; // clearance value
m_ZoneMinThickness = aZone.m_ZoneMinThickness;
m_fillVersion = aZone.m_fillVersion;
m_islandRemovalMode = aZone.m_islandRemovalMode;
m_minIslandArea = aZone.m_minIslandArea;
m_isFilled = aZone.m_isFilled;
m_needRefill = aZone.m_needRefill;
m_thermalReliefGap = aZone.m_thermalReliefGap;
m_thermalReliefSpokeWidth = aZone.m_thermalReliefSpokeWidth;
m_fillMode = aZone.m_fillMode; // solid vs. hatched
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m_hatchThickness = aZone.m_hatchThickness;
m_hatchGap = aZone.m_hatchGap;
m_hatchOrientation = aZone.m_hatchOrientation;
m_hatchSmoothingLevel = aZone.m_hatchSmoothingLevel;
m_hatchSmoothingValue = aZone.m_hatchSmoothingValue;
m_hatchBorderAlgorithm = aZone.m_hatchBorderAlgorithm;
m_hatchHoleMinArea = aZone.m_hatchHoleMinArea;
// For corner moving, corner index to drag, or nullptr if no selection
delete m_CornerSelection;
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m_CornerSelection = nullptr;
for( PCB_LAYER_ID layer : aZone.GetLayerSet().Seq() )
{
m_FilledPolysList[layer] = aZone.m_FilledPolysList.at( layer );
m_RawPolysList[layer] = aZone.m_RawPolysList.at( layer );
m_filledPolysHash[layer] = aZone.m_filledPolysHash.at( layer );
m_FillSegmList[layer] = aZone.m_FillSegmList.at( layer ); // vector <> copy
m_insulatedIslands[layer] = aZone.m_insulatedIslands.at( layer );
}
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m_borderStyle = aZone.m_borderStyle;
m_borderHatchPitch = aZone.m_borderHatchPitch;
m_borderHatchLines = aZone.m_borderHatchLines;
SetLocalFlags( aZone.GetLocalFlags() );
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m_netinfo = aZone.m_netinfo;
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m_hv45 = aZone.m_hv45;
m_area = aZone.m_area;
}
EDA_ITEM* ZONE::Clone() const
{
return new ZONE( *this );
}
bool ZONE::UnFill()
{
bool change = false;
for( std::pair<const PCB_LAYER_ID, SHAPE_POLY_SET>& pair : m_FilledPolysList )
{
change |= !pair.second.IsEmpty();
pair.second.RemoveAllContours();
}
for( std::pair<const PCB_LAYER_ID, ZONE_SEGMENT_FILL>& pair : m_FillSegmList )
{
change |= !pair.second.empty();
pair.second.clear();
}
m_isFilled = false;
m_fillFlags.clear();
return change;
}
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wxPoint ZONE::GetPosition() const
{
return (wxPoint) GetCornerPosition( 0 );
}
PCB_LAYER_ID ZONE::GetLayer() const
{
return BOARD_ITEM::GetLayer();
}
bool ZONE::IsOnCopperLayer() const
{
return ( m_layerSet & LSET::AllCuMask() ).count() > 0;
}
bool ZONE::CommonLayerExists( const LSET aLayerSet ) const
{
LSET common = GetLayerSet() & aLayerSet;
return common.count() > 0;
}
void ZONE::SetLayer( PCB_LAYER_ID aLayer )
{
SetLayerSet( LSET( aLayer ) );
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m_layer = aLayer;
}
void ZONE::SetLayerSet( LSET aLayerSet )
{
if( GetIsRuleArea() )
{
// Rule areas can only exist on copper layers
aLayerSet &= LSET::AllCuMask();
}
if( aLayerSet.count() == 0 )
return;
if( m_layerSet != aLayerSet )
{
SetNeedRefill( true );
UnFill();
m_FillSegmList.clear();
m_FilledPolysList.clear();
m_RawPolysList.clear();
m_filledPolysHash.clear();
m_insulatedIslands.clear();
for( PCB_LAYER_ID layer : aLayerSet.Seq() )
{
m_FillSegmList[layer] = {};
m_FilledPolysList[layer] = {};
m_RawPolysList[layer] = {};
m_filledPolysHash[layer] = {};
m_insulatedIslands[layer] = {};
}
}
m_layerSet = aLayerSet;
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// Set the single layer parameter. For zones that can be on many layers, this parameter
// is arbitrary at best, but some code still uses it.
// Priority is F_Cu then B_Cu then to the first selected layer
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m_layer = aLayerSet.Seq()[0];
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if( m_layer != F_Cu && aLayerSet[B_Cu] )
m_layer = B_Cu;
}
LSET ZONE::GetLayerSet() const
{
return m_layerSet;
}
void ZONE::ViewGetLayers( int aLayers[], int& aCount ) const
{
LSEQ layers = m_layerSet.Seq();
for( unsigned int idx = 0; idx < layers.size(); idx++ )
aLayers[idx] = LAYER_ZONE_START + layers[idx];
aCount = layers.size();
}
double ZONE::ViewGetLOD( int aLayer, KIGFX::VIEW* aView ) const
{
constexpr double HIDE = std::numeric_limits<double>::max();
return aView->IsLayerVisible( LAYER_ZONES ) ? 0.0 : HIDE;
}
bool ZONE::IsOnLayer( PCB_LAYER_ID aLayer ) const
{
return m_layerSet.test( aLayer );
}
const EDA_RECT ZONE::GetBoundingBox() const
{
auto bb = m_Poly->BBox();
EDA_RECT ret( (wxPoint) bb.GetOrigin(), wxSize( bb.GetWidth(), bb.GetHeight() ) );
return ret;
}
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int ZONE::GetThermalReliefGap( PAD* aPad, wxString* aSource ) const
{
if( aPad->GetEffectiveThermalGap() == 0 )
{
if( aSource )
*aSource = _( "zone" );
return m_thermalReliefGap;
}
return aPad->GetEffectiveThermalGap( aSource );
}
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int ZONE::GetThermalReliefSpokeWidth( PAD* aPad, wxString* aSource ) const
{
if( aPad->GetEffectiveThermalSpokeWidth() == 0 )
{
if( aSource )
*aSource = _( "zone" );
return m_thermalReliefSpokeWidth;
}
return aPad->GetEffectiveThermalSpokeWidth( aSource );
}
void ZONE::SetCornerRadius( unsigned int aRadius )
{
if( m_cornerRadius != aRadius )
SetNeedRefill( true );
m_cornerRadius = aRadius;
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}
bool ZONE::GetFilledPolysUseThickness( PCB_LAYER_ID aLayer ) const
{
if( ADVANCED_CFG::GetCfg().m_DebugZoneFiller && LSET::InternalCuMask().Contains( aLayer ) )
return false;
return GetFilledPolysUseThickness();
}
static SHAPE_POLY_SET g_nullPoly;
MD5_HASH ZONE::GetHashValue( PCB_LAYER_ID aLayer )
{
if( !m_filledPolysHash.count( aLayer ) )
return g_nullPoly.GetHash();
else
return m_filledPolysHash.at( aLayer );
}
void ZONE::BuildHashValue( PCB_LAYER_ID aLayer )
{
if( !m_FilledPolysList.count( aLayer ) )
m_filledPolysHash[aLayer] = g_nullPoly.GetHash();
else
m_filledPolysHash[aLayer] = m_FilledPolysList.at( aLayer ).GetHash();
}
bool ZONE::HitTest( const wxPoint& aPosition, int aAccuracy ) const
{
// Normally accuracy is zoom-relative, but for the generic HitTest we just use
// a fixed (small) value.
int accuracy = std::max( aAccuracy, Millimeter2iu( 0.1 ) );
return HitTestForCorner( aPosition, accuracy * 2 ) || HitTestForEdge( aPosition, accuracy );
}
void ZONE::SetSelectedCorner( const wxPoint& aPosition, int aAccuracy )
{
SHAPE_POLY_SET::VERTEX_INDEX corner;
// If there is some corner to be selected, assign it to m_CornerSelection
if( HitTestForCorner( aPosition, aAccuracy * 2, corner )
|| HitTestForEdge( aPosition, aAccuracy, corner ) )
{
if( m_CornerSelection == nullptr )
m_CornerSelection = new SHAPE_POLY_SET::VERTEX_INDEX;
*m_CornerSelection = corner;
}
}
bool ZONE::HitTestForCorner( const wxPoint& refPos, int aAccuracy,
SHAPE_POLY_SET::VERTEX_INDEX& aCornerHit ) const
{
return m_Poly->CollideVertex( VECTOR2I( refPos ), aCornerHit, aAccuracy );
}
bool ZONE::HitTestForCorner( const wxPoint& refPos, int aAccuracy ) const
{
SHAPE_POLY_SET::VERTEX_INDEX dummy;
return HitTestForCorner( refPos, aAccuracy, dummy );
}
bool ZONE::HitTestForEdge( const wxPoint& refPos, int aAccuracy,
SHAPE_POLY_SET::VERTEX_INDEX& aCornerHit ) const
{
return m_Poly->CollideEdge( VECTOR2I( refPos ), aCornerHit, aAccuracy );
}
bool ZONE::HitTestForEdge( const wxPoint& refPos, int aAccuracy ) const
{
SHAPE_POLY_SET::VERTEX_INDEX dummy;
return HitTestForEdge( refPos, aAccuracy, dummy );
}
bool ZONE::HitTest( const EDA_RECT& aRect, bool aContained, int aAccuracy ) const
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{
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// Calculate bounding box for zone
EDA_RECT bbox = GetBoundingBox();
bbox.Normalize();
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EDA_RECT arect = aRect;
arect.Normalize();
arect.Inflate( aAccuracy );
if( aContained )
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{
return arect.Contains( bbox );
}
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else
{
// Fast test: if aBox is outside the polygon bounding box, rectangles cannot intersect
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if( !arect.Intersects( bbox ) )
return false;
int count = m_Poly->TotalVertices();
for( int ii = 0; ii < count; ii++ )
{
auto vertex = m_Poly->CVertex( ii );
auto vertexNext = m_Poly->CVertex( ( ii + 1 ) % count );
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// Test if the point is within the rect
if( arect.Contains( ( wxPoint ) vertex ) )
return true;
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// Test if this edge intersects the rect
if( arect.Intersects( ( wxPoint ) vertex, ( wxPoint ) vertexNext ) )
return true;
}
return false;
}
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}
int ZONE::GetLocalClearance( wxString* aSource ) const
{
if( m_isRuleArea )
return 0;
if( aSource )
*aSource = _( "zone" );
return m_ZoneClearance;
}
bool ZONE::HitTestFilledArea( PCB_LAYER_ID aLayer, const wxPoint &aRefPos, int aAccuracy ) const
{
// Rule areas have no filled area, but it's generally nice to treat their interior as if it were
// filled so that people don't have to select them by their outline (which is min-width)
if( GetIsRuleArea() )
return m_Poly->Contains( VECTOR2I( aRefPos.x, aRefPos.y ), -1, aAccuracy );
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if( !m_FilledPolysList.count( aLayer ) )
return false;
return m_FilledPolysList.at( aLayer ).Contains( VECTOR2I( aRefPos.x, aRefPos.y ), -1,
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aAccuracy );
}
bool ZONE::HitTestCutout( const VECTOR2I& aRefPos, int* aOutlineIdx, int* aHoleIdx ) const
{
// Iterate over each outline polygon in the zone and then iterate over
// each hole it has to see if the point is in it.
for( int i = 0; i < m_Poly->OutlineCount(); i++ )
{
for( int j = 0; j < m_Poly->HoleCount( i ); j++ )
{
if( m_Poly->Hole( i, j ).PointInside( aRefPos ) )
{
if( aOutlineIdx )
*aOutlineIdx = i;
if( aHoleIdx )
*aHoleIdx = j;
return true;
}
}
}
return false;
}
void ZONE::GetMsgPanelInfo( EDA_DRAW_FRAME* aFrame, std::vector<MSG_PANEL_ITEM>& aList )
{
EDA_UNITS units = aFrame->GetUserUnits();
wxString msg;
if( GetIsRuleArea() )
msg = _( "Rule Area" );
else if( IsOnCopperLayer() )
msg = _( "Copper Zone" );
else
msg = _( "Non-copper Zone" );
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// Display Cutout instead of Outline for holes inside a zone (i.e. when num contour !=0).
// Check whether the selected corner is in a hole; i.e., in any contour but the first one.
if( m_CornerSelection != nullptr && m_CornerSelection->m_contour > 0 )
msg << wxT( " " ) << _( "Cutout" );
aList.emplace_back( _( "Type" ), msg );
if( GetIsRuleArea() )
{
msg.Empty();
if( GetDoNotAllowVias() )
AccumulateDescription( msg, _( "No vias" ) );
if( GetDoNotAllowTracks() )
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AccumulateDescription( msg, _( "No tracks" ) );
if( GetDoNotAllowPads() )
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AccumulateDescription( msg, _( "No pads" ) );
if( GetDoNotAllowCopperPour() )
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AccumulateDescription( msg, _( "No copper zones" ) );
if( GetDoNotAllowFootprints() )
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AccumulateDescription( msg, _( "No footprints" ) );
if( !msg.IsEmpty() )
aList.emplace_back( MSG_PANEL_ITEM( _( "Restrictions" ), msg ) );
}
else if( IsOnCopperLayer() )
{
aList.emplace_back( _( "Net" ), UnescapeString( GetNetname() ) );
aList.emplace_back( _( "NetClass" ), UnescapeString( GetNetClass()->GetName() ) );
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// Display priority level
aList.emplace_back( _( "Priority" ), wxString::Format( "%d", GetPriority() ) );
}
wxString layerDesc;
int count = 0;
for( PCB_LAYER_ID layer : m_layerSet.Seq() )
{
if( count == 0 )
layerDesc = GetBoard()->GetLayerName( layer );
count++;
}
if( count > 1 )
layerDesc.Printf( _( "%s and %d more" ), layerDesc, count - 1 );
aList.emplace_back( _( "Layer" ), layerDesc );
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if( !m_zoneName.empty() )
aList.emplace_back( _( "Name" ), m_zoneName );
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switch( m_fillMode )
{
case ZONE_FILL_MODE::POLYGONS: msg = _( "Solid" ); break;
case ZONE_FILL_MODE::HATCH_PATTERN: msg = _( "Hatched" ); break;
default: msg = _( "Unknown" ); break;
}
aList.emplace_back( _( "Fill Mode" ), msg );
msg = MessageTextFromValue( units, m_area, true, EDA_DATA_TYPE::AREA );
aList.emplace_back( _( "Filled Area" ), msg );
wxString source;
int clearance = GetOwnClearance( GetLayer(), &source );
aList.emplace_back( wxString::Format( _( "Min Clearance: %s" ),
MessageTextFromValue( units, clearance ) ),
wxString::Format( _( "(from %s)" ), source ) );
// Useful for statistics, especially when zones are complex the number of hatches
// and filled polygons can explain the display and DRC calculation time:
msg.Printf( wxT( "%d" ), (int) m_borderHatchLines.size() );
aList.emplace_back( MSG_PANEL_ITEM( _( "HatchBorder Lines" ), msg ) );
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PCB_LAYER_ID layer = m_layer;
// NOTE: This brings in dependence on PCB_EDIT_FRAME to the qa tests, which isn't ideal.
// TODO: Figure out a way for items to know the active layer without the whole edit frame?
#if 0
if( PCB_EDIT_FRAME* pcbframe = dynamic_cast<PCB_EDIT_FRAME*>( aFrame ) )
{
if( m_FilledPolysList.count( pcbframe->GetActiveLayer() ) )
layer = pcbframe->GetActiveLayer();
}
#endif
if( !GetIsRuleArea() )
{
auto layer_it = m_FilledPolysList.find( layer );
if( layer_it == m_FilledPolysList.end() )
layer_it = m_FilledPolysList.begin();
if( layer_it != m_FilledPolysList.end() )
{
msg.Printf( wxT( "%d" ), layer_it->second.TotalVertices() );
aList.emplace_back( MSG_PANEL_ITEM( _( "Corner Count" ), msg ) );
}
}
}
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/* Geometric transforms: */
void ZONE::Move( const wxPoint& offset )
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{
/* move outlines */
m_Poly->Move( offset );
HatchBorder();
for( std::pair<const PCB_LAYER_ID, SHAPE_POLY_SET>& pair : m_FilledPolysList )
pair.second.Move( offset );
for( std::pair<const PCB_LAYER_ID, ZONE_SEGMENT_FILL>& pair : m_FillSegmList )
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{
for( SEG& seg : pair.second )
{
seg.A += VECTOR2I( offset );
seg.B += VECTOR2I( offset );
}
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}
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}
void ZONE::MoveEdge( const wxPoint& offset, int aEdge )
{
int next_corner;
if( m_Poly->GetNeighbourIndexes( aEdge, nullptr, &next_corner ) )
{
m_Poly->SetVertex( aEdge, m_Poly->CVertex( aEdge ) + VECTOR2I( offset ) );
m_Poly->SetVertex( next_corner, m_Poly->CVertex( next_corner ) + VECTOR2I( offset ) );
HatchBorder();
SetNeedRefill( true );
}
}
void ZONE::Rotate( const wxPoint& aCentre, double aAngle )
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{
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aAngle = -DECIDEG2RAD( aAngle );
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m_Poly->Rotate( aAngle, VECTOR2I( aCentre ) );
HatchBorder();
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/* rotate filled areas: */
for( std::pair<const PCB_LAYER_ID, SHAPE_POLY_SET>& pair : m_FilledPolysList )
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pair.second.Rotate( aAngle, VECTOR2I( aCentre ) );
for( std::pair<const PCB_LAYER_ID, ZONE_SEGMENT_FILL>& pair : m_FillSegmList )
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{
for( SEG& seg : pair.second )
{
wxPoint a( seg.A );
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RotatePoint( &a, aCentre, aAngle );
seg.A = a;
wxPoint b( seg.B );
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RotatePoint( &b, aCentre, aAngle );
seg.B = a;
}
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}
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}
void ZONE::Flip( const wxPoint& aCentre, bool aFlipLeftRight )
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{
Mirror( aCentre, aFlipLeftRight );
int copperLayerCount = GetBoard()->GetCopperLayerCount();
if( GetIsRuleArea() )
SetLayerSet( FlipLayerMask( GetLayerSet(), copperLayerCount ) );
else
SetLayer( FlipLayer( GetLayer(), copperLayerCount ) );
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}
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void ZONE::Mirror( const wxPoint& aMirrorRef, bool aMirrorLeftRight )
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{
// ZONEs mirror about the x-axis (why?!?)
m_Poly->Mirror( aMirrorLeftRight, !aMirrorLeftRight, VECTOR2I( aMirrorRef ) );
HatchBorder();
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for( std::pair<const PCB_LAYER_ID, SHAPE_POLY_SET>& pair : m_FilledPolysList )
pair.second.Mirror( aMirrorLeftRight, !aMirrorLeftRight, VECTOR2I( aMirrorRef ) );
for( std::pair<const PCB_LAYER_ID, ZONE_SEGMENT_FILL>& pair : m_FillSegmList )
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{
for( SEG& seg : pair.second )
{
if( aMirrorLeftRight )
{
MIRROR( seg.A.x, aMirrorRef.x );
MIRROR( seg.B.x, aMirrorRef.x );
}
else
{
MIRROR( seg.A.y, aMirrorRef.y );
MIRROR( seg.B.y, aMirrorRef.y );
}
}
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}
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}
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ZONE_CONNECTION ZONE::GetPadConnection( PAD* aPad, wxString* aSource ) const
{
if( aPad == NULL || aPad->GetEffectiveZoneConnection() == ZONE_CONNECTION::INHERITED )
{
if( aSource )
*aSource = _( "zone" );
return m_PadConnection;
}
else
{
return aPad->GetEffectiveZoneConnection( aSource );
}
}
void ZONE::RemoveCutout( int aOutlineIdx, int aHoleIdx )
{
// Ensure the requested cutout is valid
if( m_Poly->OutlineCount() < aOutlineIdx || m_Poly->HoleCount( aOutlineIdx ) < aHoleIdx )
return;
SHAPE_POLY_SET cutPoly( m_Poly->Hole( aOutlineIdx, aHoleIdx ) );
// Add the cutout back to the zone
m_Poly->BooleanAdd( cutPoly, SHAPE_POLY_SET::PM_FAST );
SetNeedRefill( true );
}
void ZONE::AddPolygon( const SHAPE_LINE_CHAIN& aPolygon )
{
wxASSERT( aPolygon.IsClosed() );
// Add the outline as a new polygon in the polygon set
if( m_Poly->OutlineCount() == 0 )
m_Poly->AddOutline( aPolygon );
else
m_Poly->AddHole( aPolygon );
SetNeedRefill( true );
}
void ZONE::AddPolygon( std::vector< wxPoint >& aPolygon )
{
if( aPolygon.empty() )
return;
SHAPE_LINE_CHAIN outline;
// Create an outline and populate it with the points of aPolygon
for( const wxPoint& pt : aPolygon)
outline.Append( pt );
outline.SetClosed( true );
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AddPolygon( outline );
}
bool ZONE::AppendCorner( wxPoint aPosition, int aHoleIdx, bool aAllowDuplication )
{
// Ensure the main outline exists:
if( m_Poly->OutlineCount() == 0 )
m_Poly->NewOutline();
// If aHoleIdx >= 0, the corner musty be added to the hole, index aHoleIdx.
// (remember: the index of the first hole is 0)
// Return error if if does dot exist.
if( aHoleIdx >= m_Poly->HoleCount( 0 ) )
return false;
m_Poly->Append( aPosition.x, aPosition.y, -1, aHoleIdx, aAllowDuplication );
SetNeedRefill( true );
return true;
}
wxString ZONE::GetSelectMenuText( EDA_UNITS aUnits ) const
{
wxString layerDesc;
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int count = 0;
for( PCB_LAYER_ID layer : m_layerSet.Seq() )
{
if( count == 0 )
layerDesc = GetBoard()->GetLayerName( layer );
count++;
}
if( count > 1 )
layerDesc.Printf( _( "%s and %d more" ), layerDesc, count - 1 );
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// Check whether the selected contour is a hole (contour index > 0)
if( m_CornerSelection != nullptr && m_CornerSelection->m_contour > 0 )
{
if( GetIsRuleArea() )
return wxString::Format( _( "Rule Area Cutout on %s" ), layerDesc );
else
return wxString::Format( _( "Zone Cutout on %s" ), layerDesc );
}
else
{
if( GetIsRuleArea() )
return wxString::Format( _( "Rule Area on %s" ), layerDesc );
else
return wxString::Format( _( "Zone %s on %s" ), GetNetnameMsg(), layerDesc );
}
}
int ZONE::GetBorderHatchPitch() const
{
return m_borderHatchPitch;
}
void ZONE::SetBorderDisplayStyle( ZONE_BORDER_DISPLAY_STYLE aHatchStyle, int aHatchPitch,
bool aRebuildHatch )
{
SetHatchPitch( aHatchPitch );
m_borderStyle = aHatchStyle;
if( aRebuildHatch )
HatchBorder();
}
void ZONE::SetHatchPitch( int aPitch )
{
m_borderHatchPitch = aPitch;
}
void ZONE::UnHatchBorder()
{
m_borderHatchLines.clear();
}
// Creates hatch lines inside the outline of the complex polygon
// sort function used in ::HatchBorder to sort points by descending wxPoint.x values
bool sortEndsByDescendingX( const VECTOR2I& ref, const VECTOR2I& tst )
{
return tst.x < ref.x;
}
void ZONE::HatchBorder()
{
UnHatchBorder();
if( m_borderStyle == ZONE_BORDER_DISPLAY_STYLE::NO_HATCH
|| m_borderHatchPitch == 0
|| m_Poly->IsEmpty() )
{
return;
}
// define range for hatch lines
int min_x = m_Poly->CVertex( 0 ).x;
int max_x = m_Poly->CVertex( 0 ).x;
int min_y = m_Poly->CVertex( 0 ).y;
int max_y = m_Poly->CVertex( 0 ).y;
for( auto iterator = m_Poly->IterateWithHoles(); iterator; iterator++ )
{
if( iterator->x < min_x )
min_x = iterator->x;
if( iterator->x > max_x )
max_x = iterator->x;
if( iterator->y < min_y )
min_y = iterator->y;
if( iterator->y > max_y )
max_y = iterator->y;
}
// Calculate spacing between 2 hatch lines
int spacing;
if( m_borderStyle == ZONE_BORDER_DISPLAY_STYLE::DIAGONAL_EDGE )
spacing = m_borderHatchPitch;
else
spacing = m_borderHatchPitch * 2;
// set the "length" of hatch lines (the length on horizontal axis)
int hatch_line_len = m_borderHatchPitch;
// To have a better look, give a slope depending on the layer
LAYER_NUM layer = GetLayer();
int slope_flag = (layer & 1) ? 1 : -1; // 1 or -1
double slope = 0.707106 * slope_flag; // 45 degrees slope
int max_a, min_a;
if( slope_flag == 1 )
{
max_a = KiROUND( max_y - slope * min_x );
min_a = KiROUND( min_y - slope * max_x );
}
else
{
max_a = KiROUND( max_y - slope * max_x );
min_a = KiROUND( min_y - slope * min_x );
}
min_a = (min_a / spacing) * spacing;
// calculate an offset depending on layer number,
// for a better look of hatches on a multilayer board
int offset = (layer * 7) / 8;
min_a += offset;
// loop through hatch lines
#define MAXPTS 200 // Usually we store only few values per one hatch line
// depending on the complexity of the zone outline
static std::vector<VECTOR2I> pointbuffer;
pointbuffer.clear();
pointbuffer.reserve( MAXPTS + 2 );
for( int a = min_a; a < max_a; a += spacing )
{
// get intersection points for this hatch line
// Note: because we should have an even number of intersections with the
// current hatch line and the zone outline (a closed polygon,
// or a set of closed polygons), if an odd count is found
// we skip this line (should not occur)
pointbuffer.clear();
// Iterate through all vertices
for( auto iterator = m_Poly->IterateSegmentsWithHoles(); iterator; iterator++ )
{
double x, y, x2, y2;
int ok;
SEG segment = *iterator;
ok = FindLineSegmentIntersection( a, slope,
segment.A.x, segment.A.y,
segment.B.x, segment.B.y,
&x, &y, &x2, &y2 );
if( ok )
{
VECTOR2I point( KiROUND( x ), KiROUND( y ) );
pointbuffer.push_back( point );
}
if( ok == 2 )
{
VECTOR2I point( KiROUND( x2 ), KiROUND( y2 ) );
pointbuffer.push_back( point );
}
if( pointbuffer.size() >= MAXPTS ) // overflow
{
wxASSERT( 0 );
break;
}
}
// ensure we have found an even intersection points count
// because intersections are the ends of segments
// inside the polygon(s) and a segment has 2 ends.
// if not, this is a strange case (a bug ?) so skip this hatch
if( pointbuffer.size() % 2 != 0 )
continue;
// sort points in order of descending x (if more than 2) to
// ensure the starting point and the ending point of the same segment
// are stored one just after the other.
if( pointbuffer.size() > 2 )
sort( pointbuffer.begin(), pointbuffer.end(), sortEndsByDescendingX );
// creates lines or short segments inside the complex polygon
for( unsigned ip = 0; ip < pointbuffer.size(); ip += 2 )
{
int dx = pointbuffer[ip + 1].x - pointbuffer[ip].x;
// Push only one line for diagonal hatch,
// or for small lines < twice the line length
// else push 2 small lines
if( m_borderStyle == ZONE_BORDER_DISPLAY_STYLE::DIAGONAL_FULL
|| std::abs( dx ) < 2 * hatch_line_len )
{
m_borderHatchLines.emplace_back( SEG( pointbuffer[ip], pointbuffer[ ip + 1] ) );
}
else
{
double dy = pointbuffer[ip + 1].y - pointbuffer[ip].y;
slope = dy / dx;
if( dx > 0 )
dx = hatch_line_len;
else
dx = -hatch_line_len;
int x1 = KiROUND( pointbuffer[ip].x + dx );
int x2 = KiROUND( pointbuffer[ip + 1].x - dx );
int y1 = KiROUND( pointbuffer[ip].y + dx * slope );
int y2 = KiROUND( pointbuffer[ip + 1].y - dx * slope );
m_borderHatchLines.emplace_back( SEG( pointbuffer[ip].x, pointbuffer[ip].y, x1, y1 ) );
m_borderHatchLines.emplace_back( SEG( pointbuffer[ip+1].x, pointbuffer[ip+1].y, x2, y2 ) );
}
}
}
}
int ZONE::GetDefaultHatchPitch()
{
return Mils2iu( 20 );
}
BITMAP_DEF ZONE::GetMenuImage() const
{
return add_zone_xpm;
}
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void ZONE::SwapData( BOARD_ITEM* aImage )
{
assert( aImage->Type() == PCB_ZONE_T );
std::swap( *((ZONE*) this), *((ZONE*) aImage) );
}
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void ZONE::CacheTriangulation( PCB_LAYER_ID aLayer )
{
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if( aLayer == UNDEFINED_LAYER )
{
for( std::pair<const PCB_LAYER_ID, SHAPE_POLY_SET>& pair : m_FilledPolysList )
pair.second.CacheTriangulation();
}
else
{
if( m_FilledPolysList.count( aLayer ) )
m_FilledPolysList[ aLayer ].CacheTriangulation();
}
}
2018-06-22 23:35:07 +00:00
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bool ZONE::IsIsland( PCB_LAYER_ID aLayer, int aPolyIdx ) const
{
if( GetNetCode() < 1 )
return true;
if( !m_insulatedIslands.count( aLayer ) )
return false;
return m_insulatedIslands.at( aLayer ).count( aPolyIdx );
}
void ZONE::GetInteractingZones( PCB_LAYER_ID aLayer, std::vector<ZONE*>* aZones ) const
{
int epsilon = Millimeter2iu( 0.001 );
for( ZONE* candidate : GetBoard()->Zones() )
{
if( candidate == this )
continue;
if( !candidate->GetLayerSet().test( aLayer ) )
continue;
if( candidate->GetIsRuleArea() )
continue;
if( candidate->GetNetCode() != GetNetCode() )
continue;
for( auto iter = m_Poly->CIterate(); iter; iter++ )
{
if( candidate->m_Poly->Collide( iter.Get(), epsilon ) )
{
aZones->push_back( candidate );
break;
}
}
}
}
bool ZONE::BuildSmoothedPoly( SHAPE_POLY_SET& aSmoothedPoly, PCB_LAYER_ID aLayer,
SHAPE_POLY_SET* aBoardOutline,
SHAPE_POLY_SET* aSmoothedPolyWithApron ) const
{
if( GetNumCorners() <= 2 ) // malformed zone. polygon calculations will not like it ...
return false;
if( GetIsRuleArea() )
{
// We like keepouts just the way they are....
aSmoothedPoly = *m_Poly;
return true;
}
BOARD* board = GetBoard();
int edgeClearance = 0;
int maxError = ARC_HIGH_DEF;
bool keepExternalFillets = false;
if( board )
{
BOARD_DESIGN_SETTINGS& bds = board->GetDesignSettings();
DRC_CONSTRAINT c = bds.m_DRCEngine->EvalRulesForItems( EDGE_CLEARANCE_CONSTRAINT, this,
nullptr, UNDEFINED_LAYER );
edgeClearance = c.Value().Min();
maxError = bds.m_MaxError;
keepExternalFillets = bds.m_ZoneKeepExternalFillets;
}
auto smooth = [&]( SHAPE_POLY_SET& aPoly )
{
switch( m_cornerSmoothingType )
{
case ZONE_SETTINGS::SMOOTHING_CHAMFER:
aPoly = aPoly.Chamfer( (int) m_cornerRadius );
break;
case ZONE_SETTINGS::SMOOTHING_FILLET:
{
aPoly = aPoly.Fillet( (int) m_cornerRadius, maxError );
break;
}
default:
break;
}
};
std::vector<ZONE*> interactingZones;
GetInteractingZones( aLayer, &interactingZones );
SHAPE_POLY_SET* maxExtents = m_Poly;
SHAPE_POLY_SET withFillets;
aSmoothedPoly = *m_Poly;
// Should external fillets (that is, those applied to concave corners) be kept? While it
// seems safer to never have copper extend outside the zone outline, 5.1.x and prior did
// indeed fill them so we leave the mode available.
if( keepExternalFillets )
{
withFillets = *m_Poly;
smooth( withFillets );
withFillets.BooleanAdd( *m_Poly, SHAPE_POLY_SET::PM_FAST );
maxExtents = &withFillets;
}
for( ZONE* zone : interactingZones )
aSmoothedPoly.BooleanAdd( *zone->Outline(), SHAPE_POLY_SET::PM_FAST );
if( !GetIsRuleArea() && aBoardOutline )
{
SHAPE_POLY_SET bufferedOutline = *aBoardOutline;
bufferedOutline.Deflate( std::max( m_ZoneClearance, edgeClearance ), 16 );
aSmoothedPoly.BooleanIntersection( bufferedOutline, SHAPE_POLY_SET::PM_STRICTLY_SIMPLE );
}
smooth( aSmoothedPoly );
if( aSmoothedPolyWithApron )
{
SHAPE_POLY_SET bufferedExtents = *maxExtents;
bufferedExtents.Inflate( m_ZoneMinThickness, 16 );
*aSmoothedPolyWithApron = aSmoothedPoly;
aSmoothedPolyWithApron->BooleanIntersection( bufferedExtents, SHAPE_POLY_SET::PM_FAST );
}
aSmoothedPoly.BooleanIntersection( *maxExtents, SHAPE_POLY_SET::PM_FAST );
return true;
}
double ZONE::CalculateFilledArea()
{
m_area = 0.0;
// Iterate over each outline polygon in the zone and then iterate over
// each hole it has to compute the total area.
for( std::pair<const PCB_LAYER_ID, SHAPE_POLY_SET>& pair : m_FilledPolysList )
{
SHAPE_POLY_SET& poly = pair.second;
for( int i = 0; i < poly.OutlineCount(); i++ )
{
m_area += poly.Outline( i ).Area();
for( int j = 0; j < poly.HoleCount( i ); j++ )
m_area -= poly.Hole( i, j ).Area();
}
}
return m_area;
}
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/**
* Function TransformSmoothedOutlineToPolygon
* Convert the smoothed outline to polygons (optionally inflated by \a aClearance) and copy them
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* into \a aCornerBuffer.
*/
void ZONE::TransformSmoothedOutlineToPolygon( SHAPE_POLY_SET& aCornerBuffer, int aClearance,
SHAPE_POLY_SET* aBoardOutline ) const
{
// Creates the zone outline polygon (with holes if any)
SHAPE_POLY_SET polybuffer;
BuildSmoothedPoly( polybuffer, GetLayer(), aBoardOutline );
// Calculate the polygon with clearance
// holes are linked to the main outline, so only one polygon is created.
if( aClearance )
{
BOARD* board = GetBoard();
int maxError = ARC_HIGH_DEF;
if( board )
maxError = board->GetDesignSettings().m_MaxError;
Clean up arc/circle polygonization. 1) For a while now we've been using a calculated seg count from a given maxError, and a correction factor to push the radius out so that all the error is outside the arc/circle. However, the second calculation (which pre-dates the first) is pretty much just the inverse of the first (and yields nothing more than maxError back). This is particularly sub-optimal given the cost of trig functions. 2) There are a lot of old optimizations to reduce segcounts in certain situations, someting that our error-based calculation compensates for anyway. (Smaller radii need fewer segments to meet the maxError condition.) But perhaps more importantly we now surface maxError in the UI and we don't really want to call it "Max deviation except when it's not". 3) We were also clamping the segCount twice: once in the calculation routine and once in most of it's callers. Furthermore, the caller clamping was inconsistent (both in being done and in the clamping value). We now clamp only in the calculation routine. 4) There's no reason to use the correction factors in the 3Dviewer; it's just a visualization and whether the polygonization error is inside or outside the shape isn't really material. 5) The arc-correction-disabling stuff (used for solder mask layer) was somewhat fragile in that it depended on the caller to turn it back on afterwards. It's now only exposed as a RAII object which automatically cleans up when it goes out of scope. 6) There were also bugs in a couple of the polygonization routines where we'd accumulate round-off error in adding up the segments and end up with an overly long last segment (which of course would voilate the error max). This was the cause of the linked bug and also some issues with vias that we had fudged in the past with extra clearance. Fixes https://gitlab.com/kicad/code/kicad/issues/5567
2020-09-10 23:05:20 +00:00
int segCount = GetArcToSegmentCount( aClearance, maxError, 360.0 );
polybuffer.Inflate( aClearance, segCount );
}
polybuffer.Fracture( SHAPE_POLY_SET::PM_FAST );
aCornerBuffer.Append( polybuffer );
}
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//
/********* FP_ZONE **************/
//
FP_ZONE::FP_ZONE( BOARD_ITEM_CONTAINER* aParent ) :
ZONE( aParent, true )
{
// in a footprint, net classes are not managed.
// so set the net to NETINFO_LIST::ORPHANED_ITEM
SetNetCode( -1, true );
}
FP_ZONE::FP_ZONE( const FP_ZONE& aZone ) :
ZONE( aZone.GetParent(), true )
{
InitDataFromSrcInCopyCtor( aZone );
}
FP_ZONE& FP_ZONE::operator=( const FP_ZONE& aOther )
{
ZONE::operator=( aOther );
return *this;
}
EDA_ITEM* FP_ZONE::Clone() const
{
return new FP_ZONE( *this );
}
double FP_ZONE::ViewGetLOD( int aLayer, KIGFX::VIEW* aView ) const
{
constexpr double HIDE = (double)std::numeric_limits<double>::max();
if( !aView )
return 0;
if( !aView->IsLayerVisible( LAYER_ZONES ) )
return HIDE;
bool flipped = GetParent() && GetParent()->GetLayer() == B_Cu;
// Handle Render tab switches
if( !flipped && !aView->IsLayerVisible( LAYER_MOD_FR ) )
return HIDE;
if( flipped && !aView->IsLayerVisible( LAYER_MOD_BK ) )
return HIDE;
// Other layers are shown without any conditions
return 0.0;
}
std::shared_ptr<SHAPE> ZONE::GetEffectiveShape( PCB_LAYER_ID aLayer ) const
{
std::shared_ptr<SHAPE> shape;
if( m_FilledPolysList.find( aLayer ) == m_FilledPolysList.end() )
{
shape = std::make_shared<SHAPE_NULL>();
}
else
{
shape.reset( m_FilledPolysList.at( aLayer ).Clone() );
}
return shape;
}
static struct ZONE_DESC
{
ZONE_DESC()
{
ENUM_MAP<ZONE_CONNECTION>::Instance()
.Map( ZONE_CONNECTION::INHERITED, _HKI( "Inherited" ) )
.Map( ZONE_CONNECTION::NONE, _HKI( "None" ) )
.Map( ZONE_CONNECTION::THERMAL, _HKI( "Thermal reliefs" ) )
.Map( ZONE_CONNECTION::FULL, _HKI( "Solid" ) )
.Map( ZONE_CONNECTION::THT_THERMAL, _HKI( "Reliefs for PTH" ) );
PROPERTY_MANAGER& propMgr = PROPERTY_MANAGER::Instance();
REGISTER_TYPE( ZONE );
propMgr.InheritsAfter( TYPE_HASH( ZONE ), TYPE_HASH( BOARD_CONNECTED_ITEM ) );
propMgr.AddProperty( new PROPERTY<ZONE, unsigned>( _HKI( "Priority" ),
&ZONE::SetPriority, &ZONE::GetPriority ) );
//propMgr.AddProperty( new PROPERTY<ZONE, bool>( "Filled",
//&ZONE::SetIsFilled, &ZONE::IsFilled ) );
propMgr.AddProperty( new PROPERTY<ZONE, wxString>( _HKI( "Name" ),
&ZONE::SetZoneName, &ZONE::GetZoneName ) );
propMgr.AddProperty( new PROPERTY<ZONE, int>( _HKI( "Clearance" ),
&ZONE::SetLocalClearance, &ZONE::GetLocalClearance,
PROPERTY_DISPLAY::DISTANCE ) );
propMgr.AddProperty( new PROPERTY<ZONE, int>( _HKI( "Min Width" ),
&ZONE::SetMinThickness, &ZONE::GetMinThickness,
PROPERTY_DISPLAY::DISTANCE ) );
propMgr.AddProperty( new PROPERTY_ENUM<ZONE, ZONE_CONNECTION>( _HKI( "Pad Connections" ),
&ZONE::SetPadConnection, &ZONE::GetPadConnection ) );
propMgr.AddProperty( new PROPERTY<ZONE, int>( _HKI( "Thermal Clearance" ),
&ZONE::SetThermalReliefGap, &ZONE::GetThermalReliefGap,
PROPERTY_DISPLAY::DISTANCE ) );
propMgr.AddProperty( new PROPERTY<ZONE, int>( _HKI( "Thermal Spoke Width" ),
&ZONE::SetThermalReliefSpokeWidth, &ZONE::GetThermalReliefSpokeWidth,
2020-10-14 23:37:26 +00:00
PROPERTY_DISPLAY::DISTANCE ) );
}
} _ZONE_DESC;
ENUM_TO_WXANY( ZONE_CONNECTION );