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kicad/3d-viewer/3d_canvas/create_3Dgraphic_brd_items.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2015-2016 Mario Luzeiro <mrluzeiro@ua.pt>
* Copyright (C) 1992-2018 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
*/
/**
* @file create_graphic_brd_items.cpp
* @brief This file implements the creation of 2D graphic primitives of pcb items:
* pads, tracks, drawsegments, texts....
* It is based on the function found in the files:
* board_items_to_polygon_shape_transform.cpp
*/
#include "../3d_rendering/3d_render_raytracing/shapes2D/cring2d.h"
#include "../3d_rendering/3d_render_raytracing/shapes2D/cfilledcircle2d.h"
#include "../3d_rendering/3d_render_raytracing/shapes2D/croundsegment2d.h"
#include "../3d_rendering/3d_render_raytracing/shapes2D/cpolygon4pts2d.h"
#include "../3d_rendering/3d_render_raytracing/shapes2D/ctriangle2d.h"
#include <board_adapter.h>
#include <class_board.h>
#include <class_module.h>
#include <class_pad.h>
#include <class_pcb_text.h>
#include <class_edge_mod.h>
#include <class_zone.h>
#include <class_text_mod.h>
#include <convert_basic_shapes_to_polygon.h>
#include <trigo.h>
#include <geometry/geometry_utils.h>
#include <gr_text.h>
#include <utility>
#include <vector>
// These variables are parameters used in addTextSegmToContainer.
// But addTextSegmToContainer is a call-back function,
// so we cannot send them as arguments.
static int s_textWidth;
static CGENERICCONTAINER2D *s_dstcontainer = NULL;
static float s_biuTo3Dunits;
static const BOARD_ITEM *s_boardItem = NULL;
// This is a call back function, used by GRText to draw the 3D text shape:
void addTextSegmToContainer( int x0, int y0, int xf, int yf, void* aData )
{
const SFVEC2F start3DU( x0 * s_biuTo3Dunits, -y0 * s_biuTo3Dunits );
const SFVEC2F end3DU ( xf * s_biuTo3Dunits, -yf * s_biuTo3Dunits );
if( Is_segment_a_circle( start3DU, end3DU ) )
s_dstcontainer->Add( new CFILLEDCIRCLE2D( start3DU,
( s_textWidth / 2 ) * s_biuTo3Dunits,
*s_boardItem) );
else
s_dstcontainer->Add( new CROUNDSEGMENT2D( start3DU,
end3DU,
s_textWidth * s_biuTo3Dunits,
*s_boardItem ) );
}
// Based on
// void TEXTE_PCB::TransformShapeWithClearanceToPolygonSet
// board_items_to_polygon_shape_transform.cpp
void BOARD_ADAPTER::AddShapeWithClearanceToContainer( const TEXTE_PCB* aText,
CGENERICCONTAINER2D *aDstContainer,
PCB_LAYER_ID aLayerId,
int aClearanceValue )
{
wxSize size = aText->GetTextSize();
if( aText->IsMirrored() )
size.x = -size.x;
s_boardItem = (const BOARD_ITEM *) &aText;
s_dstcontainer = aDstContainer;
s_textWidth = aText->GetEffectiveTextPenWidth() + ( 2 * aClearanceValue );
s_biuTo3Dunits = m_biuTo3Dunits;
// not actually used, but needed by GRText
const COLOR4D dummy_color = COLOR4D::BLACK;
bool forceBold = true;
int penWidth = 0; // force max width for bold
if( aText->IsMultilineAllowed() )
{
wxArrayString strings_list;
wxStringSplit( aText->GetShownText(), strings_list, '\n' );
std::vector<wxPoint> positions;
positions.reserve( strings_list.Count() );
aText->GetLinePositions( positions, strings_list.Count());
for( unsigned ii = 0; ii < strings_list.Count(); ++ii )
{
wxString txt = strings_list.Item( ii );
GRText( nullptr, positions[ii], dummy_color, txt, aText->GetTextAngle(), size,
aText->GetHorizJustify(), aText->GetVertJustify(), penWidth,
aText->IsItalic(), forceBold, addTextSegmToContainer );
}
}
else
{
GRText( nullptr, aText->GetTextPos(), dummy_color, aText->GetShownText(),
aText->GetTextAngle(), size, aText->GetHorizJustify(), aText->GetVertJustify(),
penWidth, aText->IsItalic(), forceBold, addTextSegmToContainer );
}
}
void BOARD_ADAPTER::AddShapeWithClearanceToContainer( const DIMENSION* aDimension,
CGENERICCONTAINER2D *aDstContainer,
PCB_LAYER_ID aLayerId,
int aClearanceValue )
{
AddShapeWithClearanceToContainer(&aDimension->Text(), aDstContainer, aLayerId, aClearanceValue);
const int linewidth = aDimension->GetWidth() + (2 * aClearanceValue);
std::pair<wxPoint const *, wxPoint const *> segs[] = {
{&aDimension->m_crossBarO, &aDimension->m_crossBarF},
{&aDimension->m_featureLineGO, &aDimension->m_featureLineGF},
{&aDimension->m_featureLineDO, &aDimension->m_featureLineDF},
{&aDimension->m_crossBarF, &aDimension->m_arrowD1F},
{&aDimension->m_crossBarF, &aDimension->m_arrowD2F},
{&aDimension->m_crossBarO, &aDimension->m_arrowG1F},
{&aDimension->m_crossBarO, &aDimension->m_arrowG2F}};
for( auto const & ii : segs )
{
const SFVEC2F start3DU( ii.first->x * m_biuTo3Dunits,
-ii.first->y * m_biuTo3Dunits );
const SFVEC2F end3DU ( ii.second->x * m_biuTo3Dunits,
-ii.second->y * m_biuTo3Dunits );
aDstContainer->Add( new CROUNDSEGMENT2D( start3DU,
end3DU,
linewidth * m_biuTo3Dunits,
*aDimension ) );
}
}
// Based on
// void MODULE::TransformGraphicShapesWithClearanceToPolygonSet
// board_items_to_polygon_shape_transform.cpp#L204
void BOARD_ADAPTER::AddGraphicsShapesWithClearanceToContainer( const MODULE* aModule,
CGENERICCONTAINER2D *aDstContainer,
PCB_LAYER_ID aLayerId,
int aInflateValue )
{
std::vector<TEXTE_MODULE *> texts; // List of TEXTE_MODULE to convert
EDGE_MODULE* outline;
for( auto item : aModule->GraphicalItems() )
{
switch( item->Type() )
{
case PCB_MODULE_TEXT_T:
{
TEXTE_MODULE* text = static_cast<TEXTE_MODULE*>( item );
if( text->GetLayer() == aLayerId && text->IsVisible() )
texts.push_back( text );
}
break;
case PCB_MODULE_EDGE_T:
{
outline = (EDGE_MODULE*) item;
if( outline->GetLayer() != aLayerId )
break;
AddShapeWithClearanceToContainer( (const DRAWSEGMENT *)outline,
aDstContainer,
aLayerId, 0 );
}
break;
default:
break;
}
}
// Convert texts sur modules
if( aModule->Reference().GetLayer() == aLayerId && aModule->Reference().IsVisible() )
texts.push_back( &aModule->Reference() );
if( aModule->Value().GetLayer() == aLayerId && aModule->Value().IsVisible() )
texts.push_back( &aModule->Value() );
s_boardItem = (const BOARD_ITEM *)&aModule->Value();
s_dstcontainer = aDstContainer;
s_biuTo3Dunits = m_biuTo3Dunits;
for( TEXTE_MODULE* text : texts )
{
s_textWidth = text->GetEffectiveTextPenWidth() + ( 2 * aInflateValue );
wxSize size = text->GetTextSize();
bool forceBold = true;
int penWidth = 0; // force max width for bold
if( text->IsMirrored() )
size.x = -size.x;
GRText( NULL, text->GetTextPos(), BLACK, text->GetShownText(), text->GetDrawRotation(),
size, text->GetHorizJustify(), text->GetVertJustify(), penWidth, text->IsItalic(),
forceBold, addTextSegmToContainer );
}
}
void BOARD_ADAPTER::createNewTrack( const TRACK* aTrack, CGENERICCONTAINER2D *aDstContainer,
int aClearanceValue )
{
SFVEC2F start3DU( aTrack->GetStart().x * m_biuTo3Dunits,
-aTrack->GetStart().y * m_biuTo3Dunits ); // y coord is inverted
switch( aTrack->Type() )
{
case PCB_VIA_T:
{
const float radius = ( ( aTrack->GetWidth() / 2 ) + aClearanceValue ) * m_biuTo3Dunits;
aDstContainer->Add( new CFILLEDCIRCLE2D( start3DU, radius, *aTrack ) );
}
break;
case PCB_ARC_T:
{
const ARC* arc = static_cast<const ARC*>( aTrack );
VECTOR2D center( arc->GetCenter() );
double arc_angle = arc->GetAngle();
double radius = arc->GetRadius();
int arcsegcount = GetArcToSegmentCount( radius, Millimeter2iu( 0.005), arc_angle/10 );
int circlesegcount;
// We need a circle to segment count. However, the arc angle can be small, and the
// radius very big. so we calculate a reasonable value for circlesegcount.
if( arcsegcount <= 1 ) // The arc will be approximated by a segment
circlesegcount = 1;
else
{
double cnt = arcsegcount * 3600/std::abs( arc_angle );
#define SEG_CNT_MAX 128
if( cnt < SEG_CNT_MAX )
{
circlesegcount = (int)cnt;
if( circlesegcount == 0 )
circlesegcount = 1;
}
else
circlesegcount = SEG_CNT_MAX;
}
TransformArcToSegments( wxPoint( center.x, center.y ), arc->GetStart(),
arc_angle, circlesegcount,
arc->GetWidth() + 2 * aClearanceValue, aDstContainer,
*arc );
}
break;
case PCB_TRACE_T: // Track is a usual straight segment
{
SFVEC2F end3DU ( aTrack->GetEnd().x * m_biuTo3Dunits,
-aTrack->GetEnd().y * m_biuTo3Dunits );
// Cannot add segments that have the same start and end point
if( Is_segment_a_circle( start3DU, end3DU ) )
{
const float radius = ((aTrack->GetWidth() / 2) + aClearanceValue) * m_biuTo3Dunits;
aDstContainer->Add( new CFILLEDCIRCLE2D( start3DU, radius, *aTrack ) );
}
else
{
const float width = (aTrack->GetWidth() + 2 * aClearanceValue ) * m_biuTo3Dunits;
aDstContainer->Add( new CROUNDSEGMENT2D( start3DU, end3DU, width, *aTrack ) );
}
}
break;
default:
break;
}
}
// Based on:
// void D_PAD:: TransformShapeWithClearanceToPolygon(
// board_items_to_polygon_shape_transform.cpp
void BOARD_ADAPTER::createNewPadWithClearance( const D_PAD* aPad,
CGENERICCONTAINER2D *aDstContainer,
wxSize aClearanceValue ) const
{
// note: for most of shapes, aClearanceValue.x = aClearanceValue.y
// only rectangular and oval shapes can have different values
// when drawn on the solder paste layer, because we can have a margin that is a
// percent of pad size
const int dx = (aPad->GetSize().x / 2) + aClearanceValue.x;
const int dy = (aPad->GetSize().y / 2) + aClearanceValue.y;
if( !dx || !dy )
{
wxLogTrace( m_logTrace,
wxT( "BOARD_ADAPTER::createNewPadWithClearance - found an invalid pad" ) );
return;
}
wxPoint PadShapePos = aPad->ShapePos(); // Note: for pad having a shape offset,
// the pad position is NOT the shape position
switch( aPad->GetShape() )
{
case PAD_SHAPE_CIRCLE:
{
const float radius = dx * m_biuTo3Dunits;
const SFVEC2F center( PadShapePos.x * m_biuTo3Dunits,
-PadShapePos.y * m_biuTo3Dunits );
aDstContainer->Add( new CFILLEDCIRCLE2D( center, radius, *aPad ) );
}
break;
case PAD_SHAPE_OVAL:
{
if( dx == dy )
{
// The segment object cannot store start and end the same position,
// so add a circle instead
const float radius = dx * m_biuTo3Dunits;
const SFVEC2F center( PadShapePos.x * m_biuTo3Dunits,
-PadShapePos.y * m_biuTo3Dunits );
aDstContainer->Add( new CFILLEDCIRCLE2D( center, radius, *aPad ) );
}
else
{
// An oval pad has the same shape as a segment with rounded ends
int iwidth;
wxPoint shape_offset = wxPoint( 0, 0 );
if( dy > dx ) // Oval pad X/Y ratio for choosing translation axis
{
shape_offset.y = dy - dx;
iwidth = dx * 2;
}
else //if( dy < dx )
{
shape_offset.x = dy - dx;
iwidth = dy * 2;
}
RotatePoint( &shape_offset, aPad->GetOrientation() );
const wxPoint start = PadShapePos - shape_offset;
const wxPoint end = PadShapePos + shape_offset;
const SFVEC2F start3DU( start.x * m_biuTo3Dunits, -start.y * m_biuTo3Dunits );
const SFVEC2F end3DU ( end.x * m_biuTo3Dunits, -end.y * m_biuTo3Dunits );
// Cannot add segments that have the same start and end point
if( Is_segment_a_circle( start3DU, end3DU ) )
{
aDstContainer->Add( new CFILLEDCIRCLE2D( start3DU,
(iwidth / 2) * m_biuTo3Dunits,
*aPad ) );
}
else
{
aDstContainer->Add( new CROUNDSEGMENT2D( start3DU, end3DU,
iwidth * m_biuTo3Dunits,
*aPad ) );
}
}
}
break;
case PAD_SHAPE_TRAPEZOID:
case PAD_SHAPE_RECT:
{
// see pcbnew/board_items_to_polygon_shape_transform.cpp
wxPoint corners[4];
bool drawOutline;
// For aClearanceValue.x == aClearanceValue.y and > 0 we use the pad shape
// and draw outlines with thicknes = aClearanceValue.
// Otherwise we draw only the inflated/deflated shape
if( aClearanceValue.x > 0 && aClearanceValue.x == aClearanceValue.y )
{
drawOutline = true;
aPad->BuildPadPolygon( corners, wxSize( 0, 0 ), aPad->GetOrientation() );
}
else
{
drawOutline = false;
aPad->BuildPadPolygon( corners, aClearanceValue, aPad->GetOrientation() );
}
SFVEC2F corners3DU[4];
// Note: for pad having a shape offset,
// the pad position is NOT the shape position
for( unsigned int ii = 0; ii < 4; ++ii )
{
corners[ii] += aPad->ShapePos(); // Shift origin to position
corners3DU[ii] = SFVEC2F( corners[ii].x * m_biuTo3Dunits,
-corners[ii].y * m_biuTo3Dunits );
}
// Learn more at:
// https://lists.launchpad.net/kicad-developers/msg18729.html
// Add the PAD polygon
aDstContainer->Add( new CPOLYGON4PTS2D( corners3DU[0],
corners3DU[1],
corners3DU[2],
corners3DU[3],
*aPad ) );
// Add the PAD contours
// Round segments cannot have 0-length elements, so we approximate them
// as a small circle
if( drawOutline )
{
for( int i = 1; i <= 4; i++ )
{
if( Is_segment_a_circle( corners3DU[i - 1], corners3DU[i & 3] ) )
{
aDstContainer->Add( new CFILLEDCIRCLE2D( corners3DU[i - 1],
aClearanceValue.x * m_biuTo3Dunits,
*aPad ) );
}
else
{
aDstContainer->Add( new CROUNDSEGMENT2D( corners3DU[i - 1],
corners3DU[i & 3],
aClearanceValue.x * 2.0f * m_biuTo3Dunits,
*aPad ) );
}
}
}
}
break;
case PAD_SHAPE_ROUNDRECT:
{
wxSize shapesize( aPad->GetSize() );
shapesize.x += aClearanceValue.x * 2;
shapesize.y += aClearanceValue.y * 2;
int rounding_radius = aPad->GetRoundRectCornerRadius( shapesize );
wxPoint corners[4];
GetRoundRectCornerCenters( corners,
rounding_radius,
PadShapePos,
shapesize,
aPad->GetOrientation() );
SFVEC2F corners3DU[4];
for( unsigned int ii = 0; ii < 4; ++ii )
corners3DU[ii] = SFVEC2F( corners[ii].x * m_biuTo3Dunits,
-corners[ii].y * m_biuTo3Dunits );
// Add the PAD polygon (For some reason the corners need
// to be inverted to display with the correctly orientation)
aDstContainer->Add( new CPOLYGON4PTS2D( corners3DU[0],
corners3DU[3],
corners3DU[2],
corners3DU[1],
*aPad ) );
// Add the PAD contours
// Round segments cannot have 0-length elements, so we approximate them
// as a small circle
for( int i = 1; i <= 4; i++ )
{
if( Is_segment_a_circle( corners3DU[i - 1], corners3DU[i & 3] ) )
{
aDstContainer->Add( new CFILLEDCIRCLE2D( corners3DU[i - 1],
rounding_radius * m_biuTo3Dunits,
*aPad ) );
}
else
{
aDstContainer->Add( new CROUNDSEGMENT2D( corners3DU[i - 1],
corners3DU[i & 3],
rounding_radius * 2.0f * m_biuTo3Dunits,
*aPad ) );
}
}
}
break;
case PAD_SHAPE_CHAMFERED_RECT:
{
wxSize shapesize( aPad->GetSize() );
shapesize.x += aClearanceValue.x * 2;
shapesize.y += aClearanceValue.y * 2;
SHAPE_POLY_SET polyList; // Will contain the pad outlines in board coordinates
int corner_radius = aPad->GetRoundRectCornerRadius( shapesize );
TransformRoundChamferedRectToPolygon( polyList, PadShapePos, shapesize, aPad->GetOrientation(),
corner_radius, aPad->GetChamferRectRatio(),
aPad->GetChamferPositions(), ARC_HIGH_DEF );
// Add the PAD polygon
Convert_shape_line_polygon_to_triangles( polyList, *aDstContainer, m_biuTo3Dunits, *aPad );
}
break;
case PAD_SHAPE_CUSTOM:
{
SHAPE_POLY_SET polyList; // Will contain the pad outlines in board coordinates
polyList.Append( aPad->GetCustomShapeAsPolygon() );
aPad->CustomShapeAsPolygonToBoardPosition( &polyList, aPad->ShapePos(), aPad->GetOrientation() );
if( aClearanceValue.x )
polyList.Inflate( aClearanceValue.x, 32 );
// Add the PAD polygon
Convert_shape_line_polygon_to_triangles( polyList, *aDstContainer, m_biuTo3Dunits, *aPad );
}
break;
}
}
// Based on:
// BuildPadDrillShapePolygon
// board_items_to_polygon_shape_transform.cpp
COBJECT2D *BOARD_ADAPTER::createNewPadDrill( const D_PAD* aPad, int aInflateValue )
{
wxSize drillSize = aPad->GetDrillSize();
if( !drillSize.x || !drillSize.y )
{
wxLogTrace( m_logTrace, wxT( "BOARD_ADAPTER::createNewPadDrill - found an invalid pad" ) );
return NULL;
}
if( drillSize.x == drillSize.y ) // usual round hole
{
const int radius = (drillSize.x / 2) + aInflateValue;
const SFVEC2F center( aPad->GetPosition().x * m_biuTo3Dunits,
-aPad->GetPosition().y * m_biuTo3Dunits );
return new CFILLEDCIRCLE2D( center, radius * m_biuTo3Dunits, *aPad );
}
else // Oblong hole
{
wxPoint start, end;
int width;
aPad->GetOblongGeometry( aPad->GetDrillSize(), &start, &end, &width );
width += aInflateValue * 2;
start += aPad->GetPosition();
end += aPad->GetPosition();
SFVEC2F start3DU( start.x * m_biuTo3Dunits,
-start.y * m_biuTo3Dunits );
SFVEC2F end3DU ( end.x * m_biuTo3Dunits,
-end.y * m_biuTo3Dunits );
if( Is_segment_a_circle( start3DU, end3DU ) )
{
return new CFILLEDCIRCLE2D( start3DU, (width / 2) * m_biuTo3Dunits, *aPad );
}
else
{
return new CROUNDSEGMENT2D( start3DU, end3DU, width * m_biuTo3Dunits, *aPad );
}
}
return NULL;
}
void BOARD_ADAPTER::AddPadsShapesWithClearanceToContainer( const MODULE* aModule,
CGENERICCONTAINER2D *aDstContainer,
PCB_LAYER_ID aLayerId,
int aInflateValue,
bool aSkipNPTHPadsWihNoCopper )
{
wxSize margin;
for( auto pad : aModule->Pads() )
{
if( !pad->IsOnLayer( aLayerId ) )
continue;
// NPTH pads are not drawn on layers if the
// shape size and pos is the same as their hole:
if( aSkipNPTHPadsWihNoCopper && (pad->GetAttribute() == PAD_ATTRIB_HOLE_NOT_PLATED) )
{
if( (pad->GetDrillSize() == pad->GetSize()) &&
(pad->GetOffset() == wxPoint( 0, 0 )) )
{
switch( pad->GetShape() )
{
case PAD_SHAPE_CIRCLE:
if( pad->GetDrillShape() == PAD_DRILL_SHAPE_CIRCLE )
continue;
break;
case PAD_SHAPE_OVAL:
if( pad->GetDrillShape() != PAD_DRILL_SHAPE_CIRCLE )
continue;
break;
default:
break;
}
}
}
switch( aLayerId )
{
case F_Mask:
case B_Mask:
margin.x = margin.y = pad->GetSolderMaskMargin() + aInflateValue;
break;
case F_Paste:
case B_Paste:
margin = pad->GetSolderPasteMargin();
margin.x += aInflateValue;
margin.y += aInflateValue;
break;
default:
margin.x = margin.y = aInflateValue;
break;
}
createNewPadWithClearance( pad, aDstContainer, margin );
}
}
// based on TransformArcToPolygon function from
// common/convert_basic_shapes_to_polygon.cpp
void BOARD_ADAPTER::TransformArcToSegments( const wxPoint &aCentre,
const wxPoint &aStart,
double aArcAngle,
int aCircleToSegmentsCount,
int aWidth,
CGENERICCONTAINER2D *aDstContainer,
const BOARD_ITEM &aBoardItem )
{
wxPoint arc_start, arc_end;
int delta = 3600 / aCircleToSegmentsCount; // rotate angle in 0.1 degree
arc_end = arc_start = aStart;
if( aArcAngle != 3600 )
{
RotatePoint( &arc_end, aCentre, -aArcAngle );
}
if( aArcAngle < 0 )
{
std::swap( arc_start, arc_end );
aArcAngle = -aArcAngle;
}
// Compute the ends of segments and creates poly
wxPoint curr_end = arc_start;
wxPoint curr_start = arc_start;
for( int ii = delta; ii < aArcAngle; ii += delta )
{
curr_end = arc_start;
RotatePoint( &curr_end, aCentre, -ii );
const SFVEC2F start3DU( curr_start.x * m_biuTo3Dunits, -curr_start.y * m_biuTo3Dunits );
const SFVEC2F end3DU ( curr_end.x * m_biuTo3Dunits, -curr_end.y * m_biuTo3Dunits );
if( Is_segment_a_circle( start3DU, end3DU ) )
{
aDstContainer->Add( new CFILLEDCIRCLE2D( start3DU,
( aWidth / 2 ) * m_biuTo3Dunits,
aBoardItem ) );
}
else
{
aDstContainer->Add( new CROUNDSEGMENT2D( start3DU, end3DU,
aWidth * m_biuTo3Dunits,
aBoardItem ) );
}
curr_start = curr_end;
}
if( curr_end != arc_end )
{
const SFVEC2F start3DU( curr_end.x * m_biuTo3Dunits, -curr_end.y * m_biuTo3Dunits );
const SFVEC2F end3DU ( arc_end.x * m_biuTo3Dunits, -arc_end.y * m_biuTo3Dunits );
if( Is_segment_a_circle( start3DU, end3DU ) )
{
aDstContainer->Add( new CFILLEDCIRCLE2D( start3DU,
( aWidth / 2 ) * m_biuTo3Dunits,
aBoardItem ) );
}
else
{
aDstContainer->Add( new CROUNDSEGMENT2D( start3DU,
end3DU,
aWidth * m_biuTo3Dunits,
aBoardItem ) );
}
}
}
// Based on
// TransformShapeWithClearanceToPolygon
// board_items_to_polygon_shape_transform.cpp#L431
void BOARD_ADAPTER::AddShapeWithClearanceToContainer( const DRAWSEGMENT* aDrawSegment,
CGENERICCONTAINER2D *aDstContainer,
PCB_LAYER_ID aLayerId,
int aClearanceValue )
{
// The full width of the lines to create
// The extra 1 protects the inner/outer radius values from degeneracy
const int linewidth = aDrawSegment->GetWidth() + (2 * aClearanceValue) + 1;
switch( aDrawSegment->GetShape() )
{
case S_CIRCLE:
{
const SFVEC2F center3DU( aDrawSegment->GetCenter().x * m_biuTo3Dunits,
-aDrawSegment->GetCenter().y * m_biuTo3Dunits );
float inner_radius = ( aDrawSegment->GetRadius() - linewidth / 2 ) * m_biuTo3Dunits;
float outer_radius = ( aDrawSegment->GetRadius() + linewidth / 2 ) * m_biuTo3Dunits;
if( inner_radius < 0 )
inner_radius = 0;
aDstContainer->Add( new CRING2D( center3DU, inner_radius, outer_radius, *aDrawSegment ) );
}
break;
case S_RECT:
{
std::vector<wxPoint> pts;
aDrawSegment->GetRectCorners( &pts );
const SFVEC2F topLeft3DU( pts[0].x * m_biuTo3Dunits, -pts[0].y * m_biuTo3Dunits );
const SFVEC2F topRight3DU( pts[1].x * m_biuTo3Dunits, -pts[1].y * m_biuTo3Dunits );
const SFVEC2F botRight3DU( pts[2].x * m_biuTo3Dunits, -pts[2].y * m_biuTo3Dunits );
const SFVEC2F botLeft3DU( pts[3].x * m_biuTo3Dunits, -pts[3].y * m_biuTo3Dunits );
aDstContainer->Add( new CROUNDSEGMENT2D( topLeft3DU, topRight3DU,
linewidth * m_biuTo3Dunits,
*aDrawSegment ) );
aDstContainer->Add( new CROUNDSEGMENT2D( topRight3DU, botRight3DU,
linewidth * m_biuTo3Dunits,
*aDrawSegment ) );
aDstContainer->Add( new CROUNDSEGMENT2D( botRight3DU, botLeft3DU,
linewidth * m_biuTo3Dunits,
*aDrawSegment ) );
aDstContainer->Add( new CROUNDSEGMENT2D( botLeft3DU, topLeft3DU,
linewidth * m_biuTo3Dunits,
*aDrawSegment ) );
}
break;
case S_ARC:
{
const unsigned int nr_segments =
GetNrSegmentsCircle( aDrawSegment->GetBoundingBox().GetSizeMax() );
TransformArcToSegments( aDrawSegment->GetCenter(),
aDrawSegment->GetArcStart(),
aDrawSegment->GetAngle(),
nr_segments,
aDrawSegment->GetWidth(),
aDstContainer,
*aDrawSegment );
}
break;
case S_SEGMENT:
{
const SFVEC2F start3DU( aDrawSegment->GetStart().x * m_biuTo3Dunits,
-aDrawSegment->GetStart().y * m_biuTo3Dunits );
const SFVEC2F end3DU ( aDrawSegment->GetEnd().x * m_biuTo3Dunits,
-aDrawSegment->GetEnd().y * m_biuTo3Dunits );
if( Is_segment_a_circle( start3DU, end3DU ) )
{
aDstContainer->Add( new CFILLEDCIRCLE2D( start3DU,
( linewidth / 2 ) * m_biuTo3Dunits,
*aDrawSegment ) );
}
else
{
aDstContainer->Add( new CROUNDSEGMENT2D( start3DU, end3DU,
linewidth * m_biuTo3Dunits,
*aDrawSegment ) );
}
}
break;
case S_CURVE:
case S_POLYGON:
{
SHAPE_POLY_SET polyList;
aDrawSegment->TransformShapeWithClearanceToPolygon( polyList, aClearanceValue );
polyList.Simplify( SHAPE_POLY_SET::PM_FAST );
if( polyList.IsEmpty() ) // Just for caution
break;
Convert_shape_line_polygon_to_triangles( polyList, *aDstContainer, m_biuTo3Dunits,
*aDrawSegment );
}
break;
default:
break;
}
}
// Based on
// TransformSolidAreasShapesToPolygonSet
// board_items_to_polygon_shape_transform.cpp
void BOARD_ADAPTER::AddSolidAreasShapesToContainer( const ZONE_CONTAINER* aZoneContainer,
CGENERICCONTAINER2D *aDstContainer,
PCB_LAYER_ID aLayerId )
{
// Copy the polys list because we have to simplify it
SHAPE_POLY_SET polyList = SHAPE_POLY_SET( aZoneContainer->GetFilledPolysList() );
// This convert the poly in outline and holes
Convert_shape_line_polygon_to_triangles( polyList, *aDstContainer, m_biuTo3Dunits,
*aZoneContainer );
// add filled areas outlines, which are drawn with thick lines segments
// but only if filled polygons outlines have thickness
if( !aZoneContainer->GetFilledPolysUseThickness() )
return;
float line_thickness = aZoneContainer->GetMinThickness() * m_biuTo3Dunits;
for( int i = 0; i < polyList.OutlineCount(); ++i )
{
// Add outline
const SHAPE_LINE_CHAIN& pathOutline = polyList.COutline( i );
for( int j = 0; j < pathOutline.PointCount(); ++j )
{
const VECTOR2I& a = pathOutline.CPoint( j );
const VECTOR2I& b = pathOutline.CPoint( j + 1 );
SFVEC2F start3DU( a.x * m_biuTo3Dunits, -a.y * m_biuTo3Dunits );
SFVEC2F end3DU ( b.x * m_biuTo3Dunits, -b.y * m_biuTo3Dunits );
if( Is_segment_a_circle( start3DU, end3DU ) )
{
float radius = line_thickness/2;
if( radius > 0.0 ) // degenerated circles crash 3D viewer
aDstContainer->Add( new CFILLEDCIRCLE2D( start3DU, radius,
*aZoneContainer ) );
}
else
{
aDstContainer->Add( new CROUNDSEGMENT2D( start3DU, end3DU, line_thickness,
*aZoneContainer ) );
}
}
// Add holes (of the poly, ie: the open parts) for this outline
for( int h = 0; h < polyList.HoleCount( i ); ++h )
{
const SHAPE_LINE_CHAIN& pathHole = polyList.CHole( i, h );
for( int j = 0; j < pathHole.PointCount(); j++ )
{
const VECTOR2I& a = pathHole.CPoint( j );
const VECTOR2I& b = pathHole.CPoint( j + 1 );
SFVEC2F start3DU( a.x * m_biuTo3Dunits, -a.y * m_biuTo3Dunits );
SFVEC2F end3DU ( b.x * m_biuTo3Dunits, -b.y * m_biuTo3Dunits );
if( Is_segment_a_circle( start3DU, end3DU ) )
{
float radius = line_thickness/2;
if( radius > 0.0 ) // degenerated circles crash 3D viewer
aDstContainer->Add(
new CFILLEDCIRCLE2D( start3DU, radius,
*aZoneContainer ) );
}
else
{
aDstContainer->Add(
new CROUNDSEGMENT2D( start3DU, end3DU, line_thickness,
*aZoneContainer ) );
}
}
}
}
}
void BOARD_ADAPTER::buildPadShapeThickOutlineAsSegments( const D_PAD* aPad,
CGENERICCONTAINER2D *aDstContainer,
int aWidth )
{
if( aPad->GetShape() == PAD_SHAPE_CIRCLE ) // Draw a ring
{
const SFVEC2F center3DU( aPad->ShapePos().x * m_biuTo3Dunits,
-aPad->ShapePos().y * m_biuTo3Dunits );
const int radius = aPad->GetSize().x / 2;
const float inner_radius = ( radius - aWidth / 2 ) * m_biuTo3Dunits;
const float outer_radius = ( radius + aWidth / 2 ) * m_biuTo3Dunits;
aDstContainer->Add( new CRING2D( center3DU, inner_radius, outer_radius, *aPad ) );
return;
}
// For other shapes, draw polygon outlines
SHAPE_POLY_SET corners;
aPad->BuildPadShapePolygon( corners, wxSize( 0, 0 ) );
// Add outlines as thick segments in polygon buffer
const SHAPE_LINE_CHAIN& path = corners.COutline( 0 );
for( int j = 0; j < path.PointCount(); j++ )
{
const VECTOR2I& a = path.CPoint( j );
const VECTOR2I& b = path.CPoint( j + 1 );
SFVEC2F start3DU( a.x * m_biuTo3Dunits, -a.y * m_biuTo3Dunits );
SFVEC2F end3DU ( b.x * m_biuTo3Dunits, -b.y * m_biuTo3Dunits );
if( Is_segment_a_circle( start3DU, end3DU ) )
{
aDstContainer->Add(
new CFILLEDCIRCLE2D( start3DU, ( aWidth / 2 ) * m_biuTo3Dunits, *aPad ) );
}
else
{
aDstContainer->Add(
new CROUNDSEGMENT2D( start3DU, end3DU, aWidth * m_biuTo3Dunits, *aPad ) );
}
}
}
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