/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2015-2016 Mario Luzeiro * Copyright (C) 1992-2016 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_layer_poly.cpp * @brief This file implements the creation of the pcb board items in the poly * contours format. It is based on the function found in the files: * board_items_to_polygon_shape_transform.cpp * board_items_to_polygon_shape_transform.cpp */ #include "cinfo3d_visu.h" #include #include #include // This is the same function as in board_items_to_polygon_shape_transform.cpp // but it adds the rect/trapezoid shapes with a different winding void CINFO3D_VISU::buildPadShapePolygon( const D_PAD* aPad, SHAPE_POLY_SET& aCornerBuffer, wxSize aInflateValue, int aSegmentsPerCircle, double aCorrectionFactor ) const { wxPoint corners[4]; 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: case PAD_SHAPE_OVAL: case PAD_SHAPE_ROUNDRECT: { // We are using TransformShapeWithClearanceToPolygon to build the shape. // Currently, this method uses only the same inflate value for X and Y dirs. // so because here this is not the case, we use a inflated dummy pad to build // the polygonal shape // TODO: remove this dummy pad when TransformShapeWithClearanceToPolygon will use // a wxSize to inflate the pad size D_PAD dummy( *aPad ); wxSize new_size = aPad->GetSize() + aInflateValue + aInflateValue; dummy.SetSize( new_size ); dummy.TransformShapeWithClearanceToPolygon( aCornerBuffer, 0, aSegmentsPerCircle, aCorrectionFactor ); } break; case PAD_SHAPE_TRAPEZOID: case PAD_SHAPE_RECT: { SHAPE_LINE_CHAIN aLineChain; aPad->BuildPadPolygon( corners, aInflateValue, aPad->GetOrientation() ); for( int ii = 0; ii < 4; ++ii ) { corners[3-ii] += PadShapePos; // Shift origin to position aLineChain.Append( corners[3-ii].x, corners[3-ii].y ); } aLineChain.SetClosed( true ); aCornerBuffer.AddOutline( aLineChain ); } 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() ); aCornerBuffer.Append( polyList ); } break; } } void CINFO3D_VISU::buildPadShapeThickOutlineAsPolygon( const D_PAD* aPad, SHAPE_POLY_SET& aCornerBuffer, int aWidth ) const { if( aPad->GetShape() == PAD_SHAPE_CIRCLE ) // Draw a ring { unsigned int nr_sides_per_circle = GetNrSegmentsCircle( ( aPad->GetSize().x / 2 + aWidth / 2 ) * 2 ); TransformRingToPolygon( aCornerBuffer, aPad->ShapePos(), aPad->GetSize().x / 2, nr_sides_per_circle, aWidth ); return; } // For other shapes, draw polygon outlines SHAPE_POLY_SET corners; unsigned int nr_sides_per_circle = GetNrSegmentsCircle( glm::min( aPad->GetSize().x, aPad->GetSize().y) ); buildPadShapePolygon( aPad, corners, wxSize( 0, 0 ), nr_sides_per_circle, GetCircleCorrectionFactor( nr_sides_per_circle ) ); // Add outlines as thick segments in polygon buffer const SHAPE_LINE_CHAIN& path = corners.COutline( 0 ); for( int ii = 0; ii < path.PointCount(); ++ii ) { const VECTOR2I& a = path.CPoint( ii ); const VECTOR2I& b = path.CPoint( ii + 1 ); TransformRoundedEndsSegmentToPolygon( aCornerBuffer, wxPoint( a.x, a.y ), wxPoint( b.x, b.y ), nr_sides_per_circle, aWidth ); } } // Based on the same function name in board_items_to_polyshape_transform.cpp // It was implemented here to allow dynamic segments count per pad shape void CINFO3D_VISU::transformPadsShapesWithClearanceToPolygon( const DLIST& aPads, PCB_LAYER_ID aLayer, SHAPE_POLY_SET& aCornerBuffer, int aInflateValue, bool aSkipNPTHPadsWihNoCopper ) const { const D_PAD* pad = aPads; wxSize margin; for( ; pad != NULL; pad = pad->Next() ) { if( !pad->IsOnLayer(aLayer) ) 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( aLayer ) { 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; } unsigned int aCircleToSegmentsCount = GetNrSegmentsCircle( pad->GetSize().x ); double aCorrectionFactor = GetCircleCorrectionFactor( aCircleToSegmentsCount ); buildPadShapePolygon( pad, aCornerBuffer, margin, aCircleToSegmentsCount, aCorrectionFactor ); } } void CINFO3D_VISU::transformGraphicModuleEdgeToPolygonSet( const MODULE *aModule, PCB_LAYER_ID aLayer, SHAPE_POLY_SET& aCornerBuffer ) const { for( const EDA_ITEM* item = aModule->GraphicalItemsList(); item != NULL; item = item->Next() ) { switch( item->Type() ) { case PCB_MODULE_EDGE_T: { EDGE_MODULE*outline = (EDGE_MODULE*) item; if( outline->GetLayer() != aLayer ) break; unsigned int aCircleToSegmentsCount = GetNrSegmentsCircle( outline->GetBoundingBox().GetSizeMax() ); double aCorrectionFactor = GetCircleCorrectionFactor( aCircleToSegmentsCount ); outline->TransformShapeWithClearanceToPolygon( aCornerBuffer, 0, aCircleToSegmentsCount, aCorrectionFactor ); } break; default: break; } } }