245 lines
9.0 KiB
C++
245 lines
9.0 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2015-2016 Mario Luzeiro <mrluzeiro@ua.pt>
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* Copyright (C) 1992-2016 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* @file create_layer_poly.cpp
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* @brief This file implements the creation of the pcb board items in the poly
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* contours format. It is based on the function found in the files:
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* board_items_to_polygon_shape_transform.cpp
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* board_items_to_polygon_shape_transform.cpp
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*/
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#include "cinfo3d_visu.h"
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#include <convert_basic_shapes_to_polygon.h>
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#include <class_edge_mod.h>
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#include <class_module.h>
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// This is the same function as in board_items_to_polygon_shape_transform.cpp
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// but it adds the rect/trapezoid shapes with a different winding
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void CINFO3D_VISU::buildPadShapePolygon( const D_PAD* aPad,
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SHAPE_POLY_SET& aCornerBuffer,
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wxSize aInflateValue,
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int aSegmentsPerCircle,
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double aCorrectionFactor ) const
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{
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wxPoint corners[4];
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wxPoint PadShapePos = aPad->ShapePos(); /* Note: for pad having a shape offset,
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* the pad position is NOT the shape position */
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switch( aPad->GetShape() )
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{
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case PAD_SHAPE_CIRCLE:
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case PAD_SHAPE_OVAL:
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case PAD_SHAPE_ROUNDRECT:
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case PAD_SHAPE_CHAMFERED_RECT:
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{
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// We are using TransformShapeWithClearanceToPolygon to build the shape.
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// Currently, this method uses only the same inflate value for X and Y dirs.
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// so because here this is not the case, we use a inflated dummy pad to build
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// the polygonal shape
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// TODO: remove this dummy pad when TransformShapeWithClearanceToPolygon will use
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// a wxSize to inflate the pad size
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D_PAD dummy( *aPad );
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wxSize new_size = aPad->GetSize() + aInflateValue + aInflateValue;
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dummy.SetSize( new_size );
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dummy.TransformShapeWithClearanceToPolygon( aCornerBuffer, 0,
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aSegmentsPerCircle, aCorrectionFactor );
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}
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break;
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case PAD_SHAPE_TRAPEZOID:
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case PAD_SHAPE_RECT:
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{
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SHAPE_LINE_CHAIN aLineChain;
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aPad->BuildPadPolygon( corners, aInflateValue, aPad->GetOrientation() );
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for( int ii = 0; ii < 4; ++ii )
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{
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corners[3-ii] += PadShapePos; // Shift origin to position
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aLineChain.Append( corners[3-ii].x, corners[3-ii].y );
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}
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aLineChain.SetClosed( true );
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aCornerBuffer.AddOutline( aLineChain );
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}
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break;
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case PAD_SHAPE_CUSTOM:
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{
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SHAPE_POLY_SET polyList; // Will contain the pad outlines in board coordinates
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polyList.Append( aPad->GetCustomShapeAsPolygon() );
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aPad->CustomShapeAsPolygonToBoardPosition( &polyList, aPad->ShapePos(), aPad->GetOrientation() );
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aCornerBuffer.Append( polyList );
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}
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break;
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}
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}
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void CINFO3D_VISU::buildPadShapeThickOutlineAsPolygon( const D_PAD* aPad,
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SHAPE_POLY_SET& aCornerBuffer,
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int aWidth ) const
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{
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if( aPad->GetShape() == PAD_SHAPE_CIRCLE ) // Draw a ring
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{
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unsigned int nr_sides_per_circle = GetNrSegmentsCircle( ( aPad->GetSize().x / 2 +
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aWidth / 2 ) * 2 );
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TransformRingToPolygon( aCornerBuffer, aPad->ShapePos(),
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aPad->GetSize().x / 2, nr_sides_per_circle, aWidth );
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return;
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}
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// For other shapes, draw polygon outlines
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SHAPE_POLY_SET corners;
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unsigned int nr_sides_per_circle = GetNrSegmentsCircle( glm::min( aPad->GetSize().x,
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aPad->GetSize().y) );
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buildPadShapePolygon( aPad, corners, wxSize( 0, 0 ),
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nr_sides_per_circle,
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GetCircleCorrectionFactor( nr_sides_per_circle ) );
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// Add outlines as thick segments in polygon buffer
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const SHAPE_LINE_CHAIN& path = corners.COutline( 0 );
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for( int ii = 0; ii < path.PointCount(); ++ii )
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{
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const VECTOR2I& a = path.CPoint( ii );
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const VECTOR2I& b = path.CPoint( ii + 1 );
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TransformRoundedEndsSegmentToPolygon( aCornerBuffer,
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wxPoint( a.x, a.y ),
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wxPoint( b.x, b.y ),
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nr_sides_per_circle,
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aWidth );
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}
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}
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// Based on the same function name in board_items_to_polyshape_transform.cpp
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// It was implemented here to allow dynamic segments count per pad shape
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void CINFO3D_VISU::transformPadsShapesWithClearanceToPolygon( const DLIST<D_PAD>& aPads, PCB_LAYER_ID aLayer,
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SHAPE_POLY_SET& aCornerBuffer,
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int aInflateValue,
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bool aSkipNPTHPadsWihNoCopper ) const
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{
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const D_PAD* pad = aPads;
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wxSize margin;
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for( ; pad != NULL; pad = pad->Next() )
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{
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if( !pad->IsOnLayer(aLayer) )
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continue;
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// NPTH pads are not drawn on layers if the shape size and pos is the same
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// as their hole:
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if( aSkipNPTHPadsWihNoCopper && (pad->GetAttribute() == PAD_ATTRIB_HOLE_NOT_PLATED) )
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{
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if( (pad->GetDrillSize() == pad->GetSize()) &&
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(pad->GetOffset() == wxPoint( 0, 0 )) )
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{
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switch( pad->GetShape() )
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{
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case PAD_SHAPE_CIRCLE:
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if( pad->GetDrillShape() == PAD_DRILL_SHAPE_CIRCLE )
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continue;
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break;
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case PAD_SHAPE_OVAL:
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if( pad->GetDrillShape() != PAD_DRILL_SHAPE_CIRCLE )
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continue;
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break;
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default:
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break;
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}
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}
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}
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switch( aLayer )
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{
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case F_Mask:
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case B_Mask:
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margin.x = margin.y = pad->GetSolderMaskMargin() + aInflateValue;
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break;
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case F_Paste:
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case B_Paste:
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margin = pad->GetSolderPasteMargin();
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margin.x += aInflateValue;
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margin.y += aInflateValue;
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break;
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default:
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margin.x = margin.y = aInflateValue;
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break;
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}
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unsigned int aCircleToSegmentsCount = GetNrSegmentsCircle( pad->GetSize().x );
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double aCorrectionFactor = GetCircleCorrectionFactor( aCircleToSegmentsCount );
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buildPadShapePolygon( pad, aCornerBuffer, margin,
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aCircleToSegmentsCount, aCorrectionFactor );
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}
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}
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void CINFO3D_VISU::transformGraphicModuleEdgeToPolygonSet( const MODULE *aModule,
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PCB_LAYER_ID aLayer,
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SHAPE_POLY_SET& aCornerBuffer ) const
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{
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for( const EDA_ITEM* item = aModule->GraphicalItemsList();
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item != NULL;
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item = item->Next() )
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{
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switch( item->Type() )
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{
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case PCB_MODULE_EDGE_T:
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{
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EDGE_MODULE*outline = (EDGE_MODULE*) item;
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if( outline->GetLayer() != aLayer )
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break;
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unsigned int aCircleToSegmentsCount =
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GetNrSegmentsCircle( outline->GetBoundingBox().GetSizeMax() );
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double aCorrectionFactor = GetCircleCorrectionFactor( aCircleToSegmentsCount );
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outline->TransformShapeWithClearanceToPolygon( aCornerBuffer,
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0,
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aCircleToSegmentsCount,
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aCorrectionFactor );
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}
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break;
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default:
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break;
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}
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}
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}
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