kicad/pcbnew/autorouter/ar_matrix.cpp

942 lines
25 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2012 Jean-Pierre Charras, jean-pierre.charras@ujf-grenoble.fr
* Copyright (C) 2012 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 2011 Wayne Stambaugh <stambaughw@verizon.net>
*
* Copyright (C) 1992-2022 KiCad Developers, see change_log.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 "ar_matrix.h"
#include <math/util.h> // for KiROUND
#include <math_for_graphics.h>
#include <trigo.h>
#include <pcb_shape.h>
#include <pad.h>
AR_MATRIX::AR_MATRIX()
{
m_BoardSide[0] = nullptr;
m_BoardSide[1] = nullptr;
m_DistSide[0] = nullptr;
m_DistSide[1] = nullptr;
m_opWriteCell = nullptr;
m_Nrows = 0;
m_Ncols = 0;
m_MemSize = 0;
m_RoutingLayersCount = 1;
m_GridRouting = 0;
m_RouteCount = 0;
m_routeLayerBottom = B_Cu;
m_routeLayerTop = F_Cu;
}
AR_MATRIX::~AR_MATRIX()
{
}
// was: bool AR_MATRIX::ComputeMatrixSize( BOARD* aPcb, bool aUseBoardEdgesOnly )
// aUseBoardEdgesOnly ? aPcb->GetBoardEdgesBoundingBox() : aPcb->GetBoundingBox();
bool AR_MATRIX::ComputeMatrixSize( const BOX2I& aBoundingBox )
{
// The boundary box must have its start point on routing grid:
m_BrdBox = aBoundingBox;
m_BrdBox.SetX( m_BrdBox.GetX() - ( m_BrdBox.GetX() % m_GridRouting ) );
m_BrdBox.SetY( m_BrdBox.GetY() - ( m_BrdBox.GetY() % m_GridRouting ) );
// The boundary box must have its end point on routing grid:
VECTOR2I end = m_BrdBox.GetEnd();
end.x -= end.x % m_GridRouting;
end.x += m_GridRouting;
end.y -= end.y % m_GridRouting;
end.y += m_GridRouting;
m_BrdBox.SetEnd( end );
m_Nrows = m_BrdBox.GetHeight() / m_GridRouting;
m_Ncols = m_BrdBox.GetWidth() / m_GridRouting;
// gives a small margin
m_Ncols += 1;
m_Nrows += 1;
return true;
}
int AR_MATRIX::InitRoutingMatrix()
{
if( m_Nrows <= 0 || m_Ncols <= 0 )
return 0;
// give a small margin for memory allocation:
int ii = ( m_Nrows + 1 ) * ( m_Ncols + 1 );
int side = AR_SIDE_BOTTOM;
for( int jj = 0; jj < m_RoutingLayersCount; jj++ ) // m_RoutingLayersCount = 1 or 2
{
m_BoardSide[side] = nullptr;
m_DistSide[side] = nullptr;
// allocate matrix & initialize everything to empty
m_BoardSide[side] = new MATRIX_CELL[ ii * sizeof( MATRIX_CELL ) ];
memset( m_BoardSide[side], 0, ii * sizeof( MATRIX_CELL ) );
if( m_BoardSide[side] == nullptr )
return -1;
// allocate Distances
m_DistSide[side] = new DIST_CELL[ ii * sizeof( DIST_CELL ) ];
memset( m_DistSide[side], 0, ii * sizeof( DIST_CELL ) );
if( m_DistSide[side] == nullptr )
return -1;
side = AR_SIDE_TOP;
}
m_MemSize = m_RouteCount * ii * ( sizeof( MATRIX_CELL ) + sizeof( DIST_CELL ) );
return m_MemSize;
}
void AR_MATRIX::UnInitRoutingMatrix()
{
int ii;
for( ii = 0; ii < AR_MAX_ROUTING_LAYERS_COUNT; ii++ )
{
// de-allocate Distances matrix
if( m_DistSide[ii] )
{
delete[] m_DistSide[ii];
m_DistSide[ii] = nullptr;
}
// de-allocate cells matrix
if( m_BoardSide[ii] )
{
delete[] m_BoardSide[ii];
m_BoardSide[ii] = nullptr;
}
}
m_Nrows = m_Ncols = 0;
}
// Initialize m_opWriteCell member to make the aLogicOp
void AR_MATRIX::SetCellOperation( AR_MATRIX::CELL_OP aLogicOp )
{
switch( aLogicOp )
{
default:
case WRITE_CELL: m_opWriteCell = &AR_MATRIX::SetCell; break;
case WRITE_OR_CELL: m_opWriteCell = &AR_MATRIX::OrCell; break;
case WRITE_XOR_CELL: m_opWriteCell = &AR_MATRIX::XorCell; break;
case WRITE_AND_CELL: m_opWriteCell = &AR_MATRIX::AndCell; break;
case WRITE_ADD_CELL: m_opWriteCell = &AR_MATRIX::AddCell; break;
}
}
/* return the value stored in a cell
*/
AR_MATRIX::MATRIX_CELL AR_MATRIX::GetCell( int aRow, int aCol, int aSide )
{
MATRIX_CELL* p;
p = m_BoardSide[aSide];
return p[aRow * m_Ncols + aCol];
}
/* basic cell operation : WRITE operation
*/
void AR_MATRIX::SetCell( int aRow, int aCol, int aSide, MATRIX_CELL x )
{
MATRIX_CELL* p;
p = m_BoardSide[aSide];
p[aRow * m_Ncols + aCol] = x;
}
/* basic cell operation : OR operation
*/
void AR_MATRIX::OrCell( int aRow, int aCol, int aSide, MATRIX_CELL x )
{
MATRIX_CELL* p;
p = m_BoardSide[aSide];
p[aRow * m_Ncols + aCol] |= x;
}
/* basic cell operation : XOR operation
*/
void AR_MATRIX::XorCell( int aRow, int aCol, int aSide, MATRIX_CELL x )
{
MATRIX_CELL* p;
p = m_BoardSide[aSide];
p[aRow * m_Ncols + aCol] ^= x;
}
/* basic cell operation : AND operation
*/
void AR_MATRIX::AndCell( int aRow, int aCol, int aSide, MATRIX_CELL x )
{
MATRIX_CELL* p;
p = m_BoardSide[aSide];
p[aRow * m_Ncols + aCol] &= x;
}
/* basic cell operation : ADD operation
*/
void AR_MATRIX::AddCell( int aRow, int aCol, int aSide, MATRIX_CELL x )
{
MATRIX_CELL* p;
p = m_BoardSide[aSide];
p[aRow * m_Ncols + aCol] += x;
}
// fetch distance cell
AR_MATRIX::DIST_CELL AR_MATRIX::GetDist( int aRow, int aCol, int aSide ) // fetch distance cell
{
DIST_CELL* p;
p = m_DistSide[aSide];
return p[aRow * m_Ncols + aCol];
}
// store distance cell
void AR_MATRIX::SetDist( int aRow, int aCol, int aSide, DIST_CELL x )
{
DIST_CELL* p;
p = m_DistSide[aSide];
p[aRow * m_Ncols + aCol] = x;
}
/*
** x is the direction to enter the cell of interest.
** y is the direction to exit the cell of interest.
** z is the direction to really exit the cell, if y=FROM_OTHERSIDE.
**
** return the distance of the trace through the cell of interest.
** the calculation is driven by the tables above.
*/
#define OP_CELL( layer, dy, dx ) \
{ \
if( layer == UNDEFINED_LAYER ) \
{ \
WriteCell( dy, dx, AR_SIDE_BOTTOM, color ); \
if( m_RoutingLayersCount > 1 ) \
WriteCell( dy, dx, AR_SIDE_TOP, color ); \
} \
else \
{ \
if( layer == m_routeLayerBottom ) \
WriteCell( dy, dx, AR_SIDE_BOTTOM, color ); \
if( m_RoutingLayersCount > 1 ) \
if( layer == m_routeLayerTop ) \
WriteCell( dy, dx, AR_SIDE_TOP, color ); \
} \
}
/* Fills all cells inside a segment
* half-width = lg, org = ux0,uy0 end = ux1,uy1
* coordinates are in PCB units
*/
void AR_MATRIX::drawSegmentQcq( int ux0, int uy0, int ux1, int uy1, int lg, int layer, int color,
AR_MATRIX::CELL_OP op_logic )
{
int64_t row, col;
int64_t inc;
int64_t row_max, col_max, row_min, col_min;
int64_t demi_pas;
int cx, cy, dx, dy;
SetCellOperation( op_logic );
// Make coordinate ux1 tj > ux0 to simplify calculations
if( ux1 < ux0 )
{
std::swap( ux1, ux0 );
std::swap( uy1, uy0 );
}
// Calculating the incrementing the Y axis
inc = 1;
if( uy1 < uy0 )
inc = -1;
demi_pas = m_GridRouting / 2;
col_min = ( ux0 - lg ) / m_GridRouting;
if( col_min < 0 )
col_min = 0;
col_max = ( ux1 + lg + demi_pas ) / m_GridRouting;
if( col_max > ( m_Ncols - 1 ) )
col_max = m_Ncols - 1;
if( inc > 0 )
{
row_min = ( uy0 - lg ) / m_GridRouting;
row_max = ( uy1 + lg + demi_pas ) / m_GridRouting;
}
else
{
row_min = ( uy1 - lg ) / m_GridRouting;
row_max = ( uy0 + lg + demi_pas ) / m_GridRouting;
}
if( row_min < 0 )
row_min = 0;
if( row_min > ( m_Nrows - 1 ) )
row_min = m_Nrows - 1;
if( row_max < 0 )
row_max = 0;
if( row_max > ( m_Nrows - 1 ) )
row_max = m_Nrows - 1;
dx = ux1 - ux0;
dy = uy1 - uy0;
EDA_ANGLE angle( VECTOR2I( dx, dy ) );
RotatePoint( &dx, &dy, angle ); // dx = length, dy = 0
for( col = col_min; col <= col_max; col++ )
{
int64_t cxr;
cxr = ( col * m_GridRouting ) - ux0;
for( row = row_min; row <= row_max; row++ )
{
cy = ( row * m_GridRouting ) - uy0;
cx = cxr;
RotatePoint( &cx, &cy, angle );
if( abs( cy ) > lg )
continue; // The point is too far on the Y axis.
/* This point a test is close to the segment: the position
* along the X axis must be tested.
*/
if( ( cx >= 0 ) && ( cx <= dx ) )
{
OP_CELL( layer, row, col );
continue;
}
// Examination of extremities are rounded.
if( ( cx < 0 ) && ( cx >= -lg ) )
{
if( ( ( cx * cx ) + ( cy * cy ) ) <= ( lg * lg ) )
OP_CELL( layer, row, col );
continue;
}
if( ( cx > dx ) && ( cx <= ( dx + lg ) ) )
{
if( ( ( ( cx - dx ) * ( cx - dx ) ) + ( cy * cy ) ) <= ( lg * lg ) )
OP_CELL( layer, row, col );
continue;
}
}
}
}
/* Fills all cells of the routing matrix contained in the circle
* half-width = lg, center = ux0, uy0, ux1,uy1 is a point on the circle.
* coord are in PCB units.
*/
void AR_MATRIX::traceCircle( int ux0, int uy0, int ux1, int uy1, int lg, int layer, int color,
AR_MATRIX::CELL_OP op_logic )
{
int radius, nb_segm;
int x0, y0; // Starting point of the current segment trace.
int x1, y1; // End point.
int ii;
radius = KiROUND( Distance( ux0, uy0, ux1, uy1 ) );
x0 = x1 = radius;
y0 = y1 = 0;
if( lg < 1 )
lg = 1;
nb_segm = ( 2 * radius ) / lg;
if( nb_segm < 5 )
nb_segm = 5;
if( nb_segm > 100 )
nb_segm = 100;
for( ii = 1; ii < nb_segm; ii++ )
{
EDA_ANGLE angle = ( ANGLE_360 * ii ) / nb_segm;
x1 = KiROUND( radius * angle.Cos() );
y1 = KiROUND( radius * angle.Sin() );
drawSegmentQcq( x0 + ux0, y0 + uy0, x1 + ux0, y1 + uy0, lg, layer, color, op_logic );
x0 = x1;
y0 = y1;
}
drawSegmentQcq( x1 + ux0, y1 + uy0, ux0 + radius, uy0, lg, layer, color, op_logic );
}
void AR_MATRIX::traceFilledCircle(
int cx, int cy, int radius, LSET aLayerMask, int color, AR_MATRIX::CELL_OP op_logic )
{
int row, col;
int ux0, uy0, ux1, uy1;
int row_max, col_max, row_min, col_min;
int trace = 0;
double fdistmin, fdistx, fdisty;
int tstwrite = 0;
int distmin;
if( aLayerMask[m_routeLayerBottom] )
trace = 1; // Trace on BOTTOM
if( aLayerMask[m_routeLayerTop] )
if( m_RoutingLayersCount > 1 )
trace |= 2; // Trace on TOP
if( trace == 0 )
return;
SetCellOperation( op_logic );
cx -= GetBrdCoordOrigin().x;
cy -= GetBrdCoordOrigin().y;
distmin = radius;
// Calculate the bounding rectangle of the circle.
ux0 = cx - radius;
uy0 = cy - radius;
ux1 = cx + radius;
uy1 = cy + radius;
// Calculate limit coordinates of cells belonging to the rectangle.
row_max = uy1 / m_GridRouting;
col_max = ux1 / m_GridRouting;
row_min = uy0 / m_GridRouting; // if (uy0 > row_min*Board.m_GridRouting) row_min++;
col_min = ux0 / m_GridRouting; // if (ux0 > col_min*Board.m_GridRouting) col_min++;
if( row_min < 0 )
row_min = 0;
if( row_max >= ( m_Nrows - 1 ) )
row_max = m_Nrows - 1;
if( col_min < 0 )
col_min = 0;
if( col_max >= ( m_Ncols - 1 ) )
col_max = m_Ncols - 1;
// Calculate coordinate limits of cell belonging to the rectangle.
if( row_min > row_max )
row_max = row_min;
if( col_min > col_max )
col_max = col_min;
fdistmin = (double) distmin * distmin;
for( row = row_min; row <= row_max; row++ )
{
fdisty = (double) ( cy - ( row * m_GridRouting ) );
fdisty *= fdisty;
for( col = col_min; col <= col_max; col++ )
{
fdistx = (double) ( cx - ( col * m_GridRouting ) );
fdistx *= fdistx;
if( fdistmin <= ( fdistx + fdisty ) )
continue;
if( trace & 1 )
WriteCell( row, col, AR_SIDE_BOTTOM, color );
if( trace & 2 )
WriteCell( row, col, AR_SIDE_TOP, color );
tstwrite = 1;
}
}
if( tstwrite )
return;
/* If no cell has been written, it affects the 4 neighboring diagonal
* (Adverse event: pad off grid in the center of the 4 neighboring
* diagonal) */
distmin = m_GridRouting / 2 + 1;
fdistmin = ( (double) distmin * distmin ) * 2; // Distance to center point diagonally
for( row = row_min; row <= row_max; row++ )
{
fdisty = (double) ( cy - ( row * m_GridRouting ) );
fdisty *= fdisty;
for( col = col_min; col <= col_max; col++ )
{
fdistx = (double) ( cx - ( col * m_GridRouting ) );
fdistx *= fdistx;
if( fdistmin <= ( fdistx + fdisty ) )
continue;
if( trace & 1 )
WriteCell( row, col, AR_SIDE_BOTTOM, color );
if( trace & 2 )
WriteCell( row, col, AR_SIDE_TOP, color );
}
}
}
/* Fills all routing matrix cells contained in the arc
* angle = ArcAngle, half-width lg
* center = ux0,uy0, starting at ux1, uy1. Coordinates are in
* PCB units.
*/
void AR_MATRIX::traceArc( int ux0, int uy0, int ux1, int uy1, const EDA_ANGLE& arcAngle, int lg,
int layer, int color, AR_MATRIX::CELL_OP op_logic )
{
int radius, nb_segm;
int x0, y0; // Starting point of the current segment trace
int x1, y1; // End point
int ii;
EDA_ANGLE angle, startAngle;
radius = KiROUND( Distance( ux0, uy0, ux1, uy1 ) );
x0 = ux1 - ux0;
y0 = uy1 - uy0;
startAngle = EDA_ANGLE( VECTOR2I( ux1, uy1 ) - VECTOR2I( ux0, uy0 ) );
if( lg < 1 )
lg = 1;
nb_segm = ( 2 * radius ) / lg;
nb_segm = nb_segm * std::abs( arcAngle.AsDegrees() ) / 360.0;
if( nb_segm < 5 )
nb_segm = 5;
if( nb_segm > 100 )
nb_segm = 100;
for( ii = 1; ii <= nb_segm; ii++ )
{
angle = arcAngle * ii / nb_segm;
angle += startAngle;
angle.Normalize();
x1 = KiROUND( radius * angle.Cos() );
y1 = KiROUND( radius * angle.Cos() );
drawSegmentQcq( x0 + ux0, y0 + uy0, x1 + ux0, y1 + uy0, lg, layer, color, op_logic );
x0 = x1;
y0 = y1;
}
}
void AR_MATRIX::TraceFilledRectangle( int ux0, int uy0, int ux1, int uy1, double angle,
LSET aLayerMask, int color, AR_MATRIX::CELL_OP op_logic )
{
int row, col;
int cx, cy; // Center of rectangle
int radius; // Radius of the circle
int row_min, row_max, col_min, col_max;
int rotrow, rotcol;
int trace = 0;
if( aLayerMask[m_routeLayerBottom] )
trace = 1; // Trace on BOTTOM
if( aLayerMask[m_routeLayerTop] )
{
if( m_RoutingLayersCount > 1 )
trace |= 2; // Trace on TOP
}
if( trace == 0 )
return;
SetCellOperation( op_logic );
ux0 -= GetBrdCoordOrigin().x;
uy0 -= GetBrdCoordOrigin().y;
ux1 -= GetBrdCoordOrigin().x;
uy1 -= GetBrdCoordOrigin().y;
cx = ( ux0 + ux1 ) / 2;
cy = ( uy0 + uy1 ) / 2;
radius = KiROUND( Distance( ux0, uy0, cx, cy ) );
// Calculating coordinate limits belonging to the rectangle.
row_max = ( cy + radius ) / m_GridRouting;
col_max = ( cx + radius ) / m_GridRouting;
row_min = ( cy - radius ) / m_GridRouting;
if( uy0 > row_min * m_GridRouting )
row_min++;
col_min = ( cx - radius ) / m_GridRouting;
if( ux0 > col_min * m_GridRouting )
col_min++;
if( row_min < 0 )
row_min = 0;
if( row_max >= ( m_Nrows - 1 ) )
row_max = m_Nrows - 1;
if( col_min < 0 )
col_min = 0;
if( col_max >= ( m_Ncols - 1 ) )
col_max = m_Ncols - 1;
for( row = row_min; row <= row_max; row++ )
{
for( col = col_min; col <= col_max; col++ )
{
rotrow = row * m_GridRouting;
rotcol = col * m_GridRouting;
RotatePoint( &rotcol, &rotrow, cx, cy, -EDA_ANGLE( angle, TENTHS_OF_A_DEGREE_T ) );
if( rotrow <= uy0 )
continue;
if( rotrow >= uy1 )
continue;
if( rotcol <= ux0 )
continue;
if( rotcol >= ux1 )
continue;
if( trace & 1 )
WriteCell( row, col, AR_SIDE_BOTTOM, color );
if( trace & 2 )
WriteCell( row, col, AR_SIDE_TOP, color );
}
}
}
void AR_MATRIX::TraceFilledRectangle( int ux0, int uy0, int ux1, int uy1, LSET aLayerMask,
int color, AR_MATRIX::CELL_OP op_logic )
{
int row, col;
int row_min, row_max, col_min, col_max;
int trace = 0;
if( aLayerMask[m_routeLayerBottom] )
trace = 1; // Trace on BOTTOM
if( aLayerMask[m_routeLayerTop] && m_RoutingLayersCount > 1 )
trace |= 2; // Trace on TOP
if( trace == 0 )
return;
SetCellOperation( op_logic );
ux0 -= GetBrdCoordOrigin().x;
uy0 -= GetBrdCoordOrigin().y;
ux1 -= GetBrdCoordOrigin().x;
uy1 -= GetBrdCoordOrigin().y;
// Calculating limits coord cells belonging to the rectangle.
row_max = uy1 / m_GridRouting;
col_max = ux1 / m_GridRouting;
row_min = uy0 / m_GridRouting;
if( uy0 > row_min * m_GridRouting )
row_min++;
col_min = ux0 / m_GridRouting;
if( ux0 > col_min * m_GridRouting )
col_min++;
if( row_min < 0 )
row_min = 0;
if( row_max >= ( m_Nrows - 1 ) )
row_max = m_Nrows - 1;
if( col_min < 0 )
col_min = 0;
if( col_max >= ( m_Ncols - 1 ) )
col_max = m_Ncols - 1;
for( row = row_min; row <= row_max; row++ )
{
for( col = col_min; col <= col_max; col++ )
{
if( trace & 1 )
WriteCell( row, col, AR_SIDE_BOTTOM, color );
if( trace & 2 )
WriteCell( row, col, AR_SIDE_TOP, color );
}
}
}
void AR_MATRIX::TraceSegmentPcb( PCB_SHAPE* aShape, int aColor, int aMargin,
AR_MATRIX::CELL_OP op_logic )
{
int half_width = ( aShape->GetWidth() / 2 ) + aMargin;
// Calculate the bounding rectangle of the segment (if H, V or Via)
int layer = UNDEFINED_LAYER; // Draw on all layers
if( aShape->GetShape() == SHAPE_T::CIRCLE || aShape->GetShape() == SHAPE_T::SEGMENT )
{
int ux0 = aShape->GetStart().x - GetBrdCoordOrigin().x;
int uy0 = aShape->GetStart().y - GetBrdCoordOrigin().y;
int ux1 = aShape->GetEnd().x - GetBrdCoordOrigin().x;
int uy1 = aShape->GetEnd().y - GetBrdCoordOrigin().y;
if( aShape->GetShape() == SHAPE_T::CIRCLE )
traceCircle( ux0, uy0, ux1, uy1, half_width, layer, aColor, op_logic );
else
drawSegmentQcq( ux0, uy0, ux1, uy1, half_width, layer, aColor, op_logic );
}
else if( aShape->GetShape() == SHAPE_T::ARC )
{
int ux0 = aShape->GetCenter().x - GetBrdCoordOrigin().x;
int uy0 = aShape->GetCenter().y - GetBrdCoordOrigin().y;
int ux1 = aShape->GetStart().x - GetBrdCoordOrigin().x;
int uy1 = aShape->GetStart().y - GetBrdCoordOrigin().y;
traceArc( ux0, uy0, ux1, uy1, aShape->GetArcAngle(), half_width, layer, aColor, op_logic );
}
}
/**
* Function CreateKeepOutRectangle
* builds the cost map:
* Cells ( in Dist map ) inside the rect x0,y0 a x1,y1 are
* incremented by value aKeepOut
* Cell outside this rectangle, but inside the rectangle
* x0,y0 -marge to x1,y1 + marge are incremented by a decreasing value
* (aKeepOut ... 0). The decreasing value depends on the distance to the first rectangle
* Therefore the cost is high in rect x0,y0 to x1,y1, and decrease outside this rectangle
*/
void AR_MATRIX::CreateKeepOutRectangle(
int ux0, int uy0, int ux1, int uy1, int marge, int aKeepOut, LSET aLayerMask )
{
int row, col;
int row_min, row_max, col_min, col_max, pmarge;
int trace = 0;
DIST_CELL data, LocalKeepOut;
int lgain, cgain;
if( aLayerMask[m_routeLayerBottom] )
trace = 1; // Trace on bottom layer.
if( aLayerMask[m_routeLayerTop] && m_RoutingLayersCount )
trace |= 2; // Trace on top layer.
if( trace == 0 )
return;
ux0 -= m_BrdBox.GetX();
uy0 -= m_BrdBox.GetY();
ux1 -= m_BrdBox.GetX();
uy1 -= m_BrdBox.GetY();
ux0 -= marge;
ux1 += marge;
uy0 -= marge;
uy1 += marge;
pmarge = marge / m_GridRouting;
if( pmarge < 1 )
pmarge = 1;
// Calculate the coordinate limits of the rectangle.
row_max = uy1 / m_GridRouting;
col_max = ux1 / m_GridRouting;
row_min = uy0 / m_GridRouting;
if( uy0 > row_min * m_GridRouting )
row_min++;
col_min = ux0 / m_GridRouting;
if( ux0 > col_min * m_GridRouting )
col_min++;
if( row_min < 0 )
row_min = 0;
if( row_max >= ( m_Nrows - 1 ) )
row_max = m_Nrows - 1;
if( col_min < 0 )
col_min = 0;
if( col_max >= ( m_Ncols - 1 ) )
col_max = m_Ncols - 1;
for( row = row_min; row <= row_max; row++ )
{
lgain = 256;
if( row < pmarge )
lgain = ( 256 * row ) / pmarge;
else if( row > row_max - pmarge )
lgain = ( 256 * ( row_max - row ) ) / pmarge;
for( col = col_min; col <= col_max; col++ )
{
// RoutingMatrix Dist map contained the "cost" of the cell
// at position (row, col)
// in autoplace this is the cost of the cell, when
// a footprint overlaps it, near a "master" footprint
// this cost is high near the "master" footprint
// and decrease with the distance
cgain = 256;
LocalKeepOut = aKeepOut;
if( col < pmarge )
cgain = ( 256 * col ) / pmarge;
else if( col > col_max - pmarge )
cgain = ( 256 * ( col_max - col ) ) / pmarge;
cgain = ( cgain * lgain ) / 256;
if( cgain != 256 )
LocalKeepOut = ( LocalKeepOut * cgain ) / 256;
if( trace & 1 )
{
data = GetDist( row, col, AR_SIDE_BOTTOM ) + LocalKeepOut;
SetDist( row, col, AR_SIDE_BOTTOM, data );
}
if( trace & 2 )
{
data = GetDist( row, col, AR_SIDE_TOP );
data = std::max( data, LocalKeepOut );
SetDist( row, col, AR_SIDE_TOP, data );
}
}
}
}
void AR_MATRIX::PlacePad( PAD* aPad, int color, int marge, AR_MATRIX::CELL_OP op_logic )
{
int dx, dy;
VECTOR2I shape_pos = aPad->ShapePos();
dx = aPad->GetSize().x / 2;
dx += marge;
if( aPad->GetShape() == PAD_SHAPE::CIRCLE )
{
traceFilledCircle( shape_pos.x, shape_pos.y, dx, aPad->GetLayerSet(), color, op_logic );
return;
}
dy = aPad->GetSize().y / 2;
dy += marge;
if( aPad->GetShape() == PAD_SHAPE::TRAPEZOID )
{
dx += abs( aPad->GetDelta().y ) / 2;
dy += abs( aPad->GetDelta().x ) / 2;
}
// The pad is a rectangle ( horizontal or vertical )
if( aPad->GetOrientation().IsCardinal() )
{
// Orientation turned 90 deg.
if( aPad->GetOrientation() == ANGLE_90 || aPad->GetOrientation() == ANGLE_270 )
{
std::swap( dx, dy );
}
TraceFilledRectangle( shape_pos.x - dx, shape_pos.y - dy, shape_pos.x + dx,
shape_pos.y + dy, aPad->GetLayerSet(), color, op_logic );
}
else
{
TraceFilledRectangle( shape_pos.x - dx, shape_pos.y - dy, shape_pos.x + dx,
shape_pos.y + dy, aPad->GetOrientation().AsTenthsOfADegree(),
aPad->GetLayerSet(), color, op_logic );
}
}