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kicad/lib_dxf/drw_entities.cpp

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Add a DXF file import to create board outlines
2013-10-24 16:44:38 +00:00
/******************************************************************************
** libDXFrw - Library to read/write DXF files (ascii & binary) **
** **
** Copyright (C) 2011 Rallaz, rallazz@gmail.com **
** **
** This library is free software, licensed 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. **
** You should have received a copy of the GNU General Public License **
** along with this program. If not, see <http://www.gnu.org/licenses/>. **
******************************************************************************/
#include <cstdlib>
#include "drw_entities.h"
#include "intern/dxfreader.h"
// ! Calculate arbitary axis
/*!
* Calculate arbitary axis for apply extrusions
* @author Rallaz
*/
void DRW_Entity::calculateAxis( DRW_Coord extPoint )
{
if( fabs( extPoint.x ) < 0.015625 && fabs( extPoint.y ) < 0.015625 )
{
extAxisX.x = extPoint.z;
extAxisX.y = 0;
extAxisX.z = -extPoint.x;
}
else
{
extAxisX.x = -extPoint.y;
extAxisX.y = extPoint.x;
extAxisX.z = 0;
}
extAxisX.unitize();
extAxisY.x = (extPoint.y * extAxisX.z) - (extAxisX.y * extPoint.z);
extAxisY.y = (extPoint.z * extAxisX.x) - (extAxisX.z * extPoint.x);
extAxisY.z = (extPoint.x * extAxisX.y) - (extAxisX.x * extPoint.y);
extAxisY.unitize();
}
// ! Extrude a point using arbitary axis
/*!
* apply extrusion in a point using arbitary axis (previous calculated)
* @author Rallaz
*/
void DRW_Entity::extrudePoint( DRW_Coord extPoint, DRW_Coord* point )
{
double px, py, pz;
px = (extAxisX.x * point->x) + (extAxisY.x * point->y) + (extPoint.x * point->z);
py = (extAxisX.y * point->x) + (extAxisY.y * point->y) + (extPoint.y * point->z);
pz = (extAxisX.z * point->x) + (extAxisY.z * point->y) + (extPoint.z * point->z);
point->x = px;
point->y = py;
point->z = pz;
}
void DRW_Entity::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 5:
handle = reader->getHandleString();
break;
case 330:
handleBlock = reader->getHandleString();
break;
case 8:
layer = reader->getUtf8String();
break;
case 6:
lineType = reader->getUtf8String();
break;
case 62:
color = reader->getInt32();
break;
case 370:
lWeight = DRW_LW_Conv::dxfInt2lineWidth( reader->getInt32() );
break;
case 48:
ltypeScale = reader->getDouble();
break;
case 60:
visible = reader->getBool();
break;
case 420:
color24 = reader->getInt32();
break;
case 430:
colorName = reader->getString();
break;
case 67:
space = reader->getInt32();
break;
default:
break;
}
}
void DRW_Point::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 10:
basePoint.x = reader->getDouble();
break;
case 20:
basePoint.y = reader->getDouble();
break;
case 30:
basePoint.z = reader->getDouble();
break;
case 39:
thickness = reader->getDouble();
break;
case 210:
haveExtrusion = true;
extPoint.x = reader->getDouble();
break;
case 220:
extPoint.y = reader->getDouble();
break;
case 230:
extPoint.z = reader->getDouble();
break;
default:
DRW_Entity::parseCode( code, reader );
break;
}
}
void DRW_Line::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 11:
secPoint.x = reader->getDouble();
break;
case 21:
secPoint.y = reader->getDouble();
break;
case 31:
secPoint.z = reader->getDouble();
break;
default:
DRW_Point::parseCode( code, reader );
break;
}
}
void DRW_Circle::applyExtrusion()
{
if( haveExtrusion )
{
calculateAxis( extPoint );
extrudePoint( extPoint, &basePoint );
}
}
void DRW_Circle::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 40:
radious = reader->getDouble();
break;
default:
DRW_Point::parseCode( code, reader );
break;
}
}
void DRW_Arc::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 50:
staangle = reader->getDouble() / ARAD;
break;
case 51:
endangle = reader->getDouble() / ARAD;
break;
default:
DRW_Circle::parseCode( code, reader );
break;
}
}
void DRW_Ellipse::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 40:
ratio = reader->getDouble();
break;
case 41:
staparam = reader->getDouble();
break;
case 42:
endparam = reader->getDouble();
break;
default:
DRW_Line::parseCode( code, reader );
break;
}
}
void DRW_Ellipse::applyExtrusion()
{
if( haveExtrusion )
{
calculateAxis( extPoint );
extrudePoint( extPoint, &secPoint );
double intialparam = staparam;
if( extPoint.z < 0. )
{
staparam = M_PIx2 - endparam;
endparam = M_PIx2 - intialparam;
}
}
}
// if ratio > 1 minor axis are greather than major axis, correct it
void DRW_Ellipse::correctAxis()
{
bool complete = false;
if( staparam == endparam )
{
staparam = 0.0;
endparam = M_PIx2; // 2*M_PI;
complete = true;
}
if( ratio > 1 )
{
if( fabs( endparam - staparam - M_PIx2 ) < 1.0e-10 )
complete = true;
double incX = secPoint.x;
secPoint.x = -(secPoint.y * ratio);
secPoint.y = incX * ratio;
ratio = 1 / ratio;
if( !complete )
{
if( staparam < M_PI_2 )
staparam += M_PI * 2;
if( endparam < M_PI_2 )
endparam += M_PI * 2;
endparam -= M_PI_2;
staparam -= M_PI_2;
}
}
}
// parts are the number of vertex to split polyline, default 128
void DRW_Ellipse::toPolyline( DRW_Polyline* pol, int parts )
{
double radMajor, radMinor, cosRot, sinRot, incAngle, curAngle;
double cosCurr, sinCurr;
radMajor = sqrt( secPoint.x * secPoint.x + secPoint.y * secPoint.y );
radMinor = radMajor * ratio;
// calculate sin & cos of included angle
incAngle = atan2( secPoint.y, secPoint.x );
cosRot = cos( incAngle );
sinRot = sin( incAngle );
incAngle = M_PIx2 / parts;
curAngle = staparam;
int i = curAngle / incAngle;
do {
if( curAngle > endparam )
{
curAngle = endparam;
i = parts + 2;
}
cosCurr = cos( curAngle );
sinCurr = sin( curAngle );
double x = basePoint.x + (cosCurr * cosRot * radMajor) - (sinCurr * sinRot * radMinor);
double y = basePoint.y + (cosCurr * sinRot * radMajor) + (sinCurr * cosRot * radMinor);
pol->addVertex( DRW_Vertex( x, y, 0.0, 0.0 ) );
curAngle = (++i) * incAngle;
} while( i<parts );
if( fabs( endparam - staparam - M_PIx2 ) < 1.0e-10 )
{
pol->flags = 1;
}
pol->layer = this->layer;
pol->lineType = this->lineType;
pol->color = this->color;
pol->lWeight = this->lWeight;
pol->extPoint = this->extPoint;
}
void DRW_Trace::applyExtrusion()
{
if( haveExtrusion )
{
calculateAxis( extPoint );
extrudePoint( extPoint, &basePoint );
extrudePoint( extPoint, &secPoint );
extrudePoint( extPoint, &thirdPoint );
extrudePoint( extPoint, &fourPoint );
}
}
void DRW_Trace::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 12:
thirdPoint.x = reader->getDouble();
break;
case 22:
thirdPoint.y = reader->getDouble();
break;
case 32:
thirdPoint.z = reader->getDouble();
break;
case 13:
fourPoint.x = reader->getDouble();
break;
case 23:
fourPoint.y = reader->getDouble();
break;
case 33:
fourPoint.z = reader->getDouble();
break;
default:
DRW_Line::parseCode( code, reader );
break;
}
}
void DRW_Solid::parseCode( int code, dxfReader* reader )
{
DRW_Trace::parseCode( code, reader );
}
void DRW_3Dface::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 70:
invisibleflag = reader->getInt32();
break;
default:
DRW_Trace::parseCode( code, reader );
break;
}
}
void DRW_Block::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 2:
name = reader->getUtf8String();
break;
case 70:
flags = reader->getInt32();
break;
default:
DRW_Point::parseCode( code, reader );
break;
}
}
void DRW_Insert::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 2:
name = reader->getUtf8String();
break;
case 41:
xscale = reader->getDouble();
break;
case 42:
yscale = reader->getDouble();
break;
case 43:
zscale = reader->getDouble();
break;
case 50:
angle = reader->getDouble();
break;
case 70:
colcount = reader->getInt32();
break;
case 71:
rowcount = reader->getInt32();
break;
case 44:
colspace = reader->getDouble();
break;
case 45:
rowspace = reader->getDouble();
break;
default:
DRW_Point::parseCode( code, reader );
break;
}
}
void DRW_LWPolyline::applyExtrusion()
{
if( haveExtrusion )
{
calculateAxis( extPoint );
for( unsigned int i = 0; i<vertlist.size(); i++ )
{
DRW_Vertex2D* vert = vertlist.at( i );
DRW_Coord v( vert->x, vert->y, elevation );
extrudePoint( extPoint, &v );
vert->x = v.x;
vert->y = v.y;
}
}
}
void DRW_LWPolyline::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 10:
{
vertex = new DRW_Vertex2D();
vertlist.push_back( vertex );
vertex->x = reader->getDouble();
break;
}
case 20:
if( vertex != NULL )
vertex->y = reader->getDouble();
break;
case 40:
if( vertex != NULL )
vertex->stawidth = reader->getDouble();
break;
case 41:
if( vertex != NULL )
vertex->endwidth = reader->getDouble();
break;
case 42:
if( vertex != NULL )
vertex->bulge = reader->getDouble();
break;
case 38:
elevation = reader->getDouble();
break;
case 39:
thickness = reader->getDouble();
break;
case 43:
width = reader->getDouble();
break;
case 70:
flags = reader->getInt32();
break;
case 90:
vertexnum = reader->getInt32();
vertlist.reserve( vertexnum );
break;
case 210:
haveExtrusion = true;
extPoint.x = reader->getDouble();
break;
case 220:
extPoint.y = reader->getDouble();
break;
case 230:
extPoint.z = reader->getDouble();
break;
default:
DRW_Entity::parseCode( code, reader );
break;
}
}
void DRW_Text::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 40:
height = reader->getDouble();
break;
case 41:
widthscale = reader->getDouble();
break;
case 50:
angle = reader->getDouble();
break;
case 51:
oblique = reader->getDouble();
break;
case 71:
textgen = reader->getInt32();
break;
case 72:
alignH = (HAlign) reader->getInt32();
break;
case 73:
alignV = (VAlign) reader->getInt32();
break;
case 1:
text = reader->getUtf8String();
break;
case 7:
style = reader->getUtf8String();
break;
default:
DRW_Line::parseCode( code, reader );
break;
}
}
void DRW_MText::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 1:
text += reader->getString();
text = reader->toUtf8String( text );
break;
case 11:
haveXAxis = true;
DRW_Text::parseCode( code, reader );
break;
case 3:
text += reader->getString();
break;
case 44:
interlin = reader->getDouble();
break;
default:
DRW_Text::parseCode( code, reader );
break;
}
}
void DRW_MText::updateAngle()
{
if( haveXAxis )
{
angle = atan2( secPoint.y, secPoint.x ) * 180 / M_PI;
}
}
void DRW_Polyline::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 70:
flags = reader->getInt32();
break;
case 40:
defstawidth = reader->getDouble();
break;
case 41:
defendwidth = reader->getDouble();
break;
case 71:
vertexcount = reader->getInt32();
break;
case 72:
facecount = reader->getInt32();
break;
case 73:
smoothM = reader->getInt32();
break;
case 74:
smoothN = reader->getInt32();
break;
case 75:
curvetype = reader->getInt32();
break;
default:
DRW_Point::parseCode( code, reader );
break;
}
}
void DRW_Vertex::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 70:
flags = reader->getInt32();
break;
case 40:
stawidth = reader->getDouble();
break;
case 41:
endwidth = reader->getDouble();
break;
case 42:
bulge = reader->getDouble();
break;
case 50:
tgdir = reader->getDouble();
break;
case 71:
vindex1 = reader->getInt32();
break;
case 72:
vindex2 = reader->getInt32();
break;
case 73:
vindex3 = reader->getInt32();
break;
case 74:
vindex4 = reader->getInt32();
break;
case 91:
identifier = reader->getInt32();
break;
default:
DRW_Point::parseCode( code, reader );
break;
}
}
void DRW_Hatch::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 2:
name = reader->getUtf8String();
break;
case 70:
solid = reader->getInt32();
break;
case 71:
associative = reader->getInt32();
break;
case 72: /*edge type*/
if( ispol ) // if is polyline is a as_bulge flag
{
break;
}
else if( reader->getInt32() == 1 ) // line
{
addLine();
}
else if( reader->getInt32() == 2 ) // arc
{
addArc();
}
else if( reader->getInt32() == 3 ) // elliptic arc
{
addEllipse();
}
else if( reader->getInt32() == 4 ) // spline
{
addSpline();
}
break;
case 10:
if( pt )
pt->basePoint.x = reader->getDouble();
else if( pline )
{
plvert = pline->addVertex();
plvert->x = reader->getDouble();
}
break;
case 20:
if( pt )
pt->basePoint.y = reader->getDouble();
else if( plvert )
plvert->y = reader->getDouble();
break;
case 11:
if( line )
line->secPoint.x = reader->getDouble();
else if( ellipse )
ellipse->secPoint.x = reader->getDouble();
break;
case 21:
if( line )
line->secPoint.y = reader->getDouble();
else if( ellipse )
ellipse->secPoint.y = reader->getDouble();
break;
case 40:
if( arc )
arc->radious = reader->getDouble();
else if( ellipse )
ellipse->ratio = reader->getDouble();
break;
case 41:
scale = reader->getDouble();
break;
case 42:
if( plvert )
plvert->bulge = reader->getDouble();
break;
case 50:
if( arc )
arc->staangle = reader->getDouble() / ARAD;
else if( ellipse )
ellipse->staparam = reader->getDouble() / ARAD;
break;
case 51:
if( arc )
arc->endangle = reader->getDouble() / ARAD;
else if( ellipse )
ellipse->endparam = reader->getDouble() / ARAD;
break;
case 52:
angle = reader->getDouble();
break;
case 73:
if( arc )
arc->isccw = reader->getInt32();
else if( pline )
pline->flags = reader->getInt32();
break;
case 75:
hstyle = reader->getInt32();
break;
case 76:
hpattern = reader->getInt32();
break;
case 77:
doubleflag = reader->getInt32();
break;
case 78:
deflines = reader->getInt32();
break;
case 91:
loopsnum = reader->getInt32();
looplist.reserve( loopsnum );
break;
case 92:
loop = new DRW_HatchLoop( reader->getInt32() );
looplist.push_back( loop );
if( reader->getInt32() & 2 )
{
ispol = true;
clearEntities();
pline = new DRW_LWPolyline;
loop->objlist.push_back( pline );
}
else
ispol = false;
break;
case 93:
if( pline )
pline->vertexnum = reader->getInt32();
else
loop->numedges = reader->getInt32(); // aqui reserve
break;
case 98: // seed points ??
clearEntities();
break;
default:
DRW_Point::parseCode( code, reader );
break;
}
}
void DRW_Spline::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 210:
ex = reader->getDouble();
break;
case 220:
ey = reader->getDouble();
break;
case 230:
ez = reader->getDouble();
break;
case 12:
tgsx = reader->getDouble();
break;
case 22:
tgsy = reader->getDouble();
break;
case 32:
tgsz = reader->getDouble();
break;
case 13:
tgex = reader->getDouble();
break;
case 23:
tgey = reader->getDouble();
break;
case 33:
tgez = reader->getDouble();
break;
case 70:
flags = reader->getInt32();
break;
case 71:
degree = reader->getInt32();
break;
case 72:
nknots = reader->getInt32();
break;
case 73:
ncontrol = reader->getInt32();
break;
case 74:
nfit = reader->getInt32();
break;
case 42:
tolknot = reader->getDouble();
break;
case 43:
tolcontrol = reader->getDouble();
break;
case 44:
tolfit = reader->getDouble();
break;
case 10:
{
controlpoint = new DRW_Coord();
controllist.push_back( controlpoint );
controlpoint->x = reader->getDouble();
break;
}
case 20:
if( controlpoint != NULL )
controlpoint->y = reader->getDouble();
break;
case 30:
if( controlpoint != NULL )
controlpoint->z = reader->getDouble();
break;
case 11:
{
fitpoint = new DRW_Coord();
fitlist.push_back( fitpoint );
fitpoint->x = reader->getDouble();
break;
}
case 21:
if( fitpoint != NULL )
fitpoint->y = reader->getDouble();
break;
case 31:
if( fitpoint != NULL )
fitpoint->z = reader->getDouble();
break;
case 40:
knotslist.push_back( reader->getDouble() );
break;
// case 41:
// break;
default:
DRW_Entity::parseCode( code, reader );
break;
}
}
void DRW_Image::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 12:
vx = reader->getDouble();
break;
case 22:
vy = reader->getDouble();
break;
case 32:
vz = reader->getDouble();
break;
case 13:
sizeu = reader->getDouble();
break;
case 23:
sizev = reader->getDouble();
break;
case 340:
ref = reader->getString();
break;
case 280:
clip = reader->getInt32();
break;
case 281:
brightness = reader->getInt32();
break;
case 282:
contrast = reader->getInt32();
break;
case 283:
fade = reader->getInt32();
break;
default:
DRW_Line::parseCode( code, reader );
break;
}
}
void DRW_Dimension::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 1:
text = reader->getUtf8String();
break;
case 2:
name = reader->getString();
break;
case 3:
style = reader->getUtf8String();
break;
case 70:
type = reader->getInt32();
break;
case 71:
align = reader->getInt32();
break;
case 72:
linesty = reader->getInt32();
break;
case 10:
defPoint.x = reader->getDouble();
break;
case 20:
defPoint.y = reader->getDouble();
break;
case 30:
defPoint.z = reader->getDouble();
break;
case 11:
textPoint.x = reader->getDouble();
break;
case 21:
textPoint.y = reader->getDouble();
break;
case 31:
textPoint.z = reader->getDouble();
break;
case 12:
clonePoint.x = reader->getDouble();
break;
case 22:
clonePoint.y = reader->getDouble();
break;
case 32:
clonePoint.z = reader->getDouble();
break;
case 13:
def1.x = reader->getDouble();
break;
case 23:
def1.y = reader->getDouble();
break;
case 33:
def1.z = reader->getDouble();
break;
case 14:
def2.x = reader->getDouble();
break;
case 24:
def2.y = reader->getDouble();
break;
case 34:
def2.z = reader->getDouble();
break;
case 15:
circlePoint.x = reader->getDouble();
break;
case 25:
circlePoint.y = reader->getDouble();
break;
case 35:
circlePoint.z = reader->getDouble();
break;
case 16:
arcPoint.x = reader->getDouble();
break;
case 26:
arcPoint.y = reader->getDouble();
break;
case 36:
arcPoint.z = reader->getDouble();
break;
case 41:
linefactor = reader->getDouble();
break;
case 53:
rot = reader->getDouble();
break;
case 50:
angle = reader->getDouble();
break;
case 52:
oblique = reader->getDouble();
break;
case 40:
length = reader->getDouble();
break;
/* case 51:
* hdir = reader->getDouble();
* break;*/
default:
DRW_Entity::parseCode( code, reader );
break;
}
}
void DRW_Leader::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 3:
style = reader->getUtf8String();
break;
case 71:
arrow = reader->getInt32();
break;
case 72:
leadertype = reader->getInt32();
break;
case 73:
flag = reader->getInt32();
break;
case 74:
hookline = reader->getInt32();
break;
case 75:
hookflag = reader->getInt32();
break;
case 76:
vertnum = reader->getInt32();
break;
case 77:
coloruse = reader->getInt32();
break;
case 40:
textheight = reader->getDouble();
break;
case 41:
textwidth = reader->getDouble();
break;
case 10:
{
vertexpoint = new DRW_Coord();
vertexlist.push_back( vertexpoint );
vertexpoint->x = reader->getDouble();
break;
}
case 20:
if( vertexpoint != NULL )
vertexpoint->y = reader->getDouble();
break;
case 30:
if( vertexpoint != NULL )
vertexpoint->z = reader->getDouble();
break;
case 340:
handle = reader->getString();
break;
case 210:
extrusionPoint.x = reader->getDouble();
break;
case 220:
extrusionPoint.y = reader->getDouble();
break;
case 230:
extrusionPoint.z = reader->getDouble();
break;
case 211:
horizdir.x = reader->getDouble();
break;
case 221:
horizdir.y = reader->getDouble();
break;
case 231:
horizdir.z = reader->getDouble();
break;
case 212:
offsetblock.x = reader->getDouble();
break;
case 222:
offsetblock.y = reader->getDouble();
break;
case 232:
offsetblock.z = reader->getDouble();
break;
case 213:
offsettext.x = reader->getDouble();
break;
case 223:
offsettext.y = reader->getDouble();
break;
case 233:
offsettext.z = reader->getDouble();
break;
default:
DRW_Entity::parseCode( code, reader );
break;
}
}
void DRW_Viewport::parseCode( int code, dxfReader* reader )
{
switch( code )
{
case 40:
pswidth = reader->getDouble();
break;
case 41:
psheight = reader->getDouble();
break;
case 68:
vpstatus = reader->getInt32();
break;
case 69:
vpID = reader->getInt32();
break;
case 12:
{
centerPX = reader->getDouble();
break;
}
case 22:
centerPY = reader->getDouble();
break;
default:
DRW_Point::parseCode( code, reader );
break;
}
}