229 lines
8.1 KiB
C++
229 lines
8.1 KiB
C++
/*
|
|
* This program source code file is part of KICAD, a free EDA CAD application.
|
|
*
|
|
* Copyright (C) 2017 CERN
|
|
* Copyright (C) 2021-2023 KiCad Developers, see AUTHORS.txt for contributors.
|
|
* @author Janito Vaqueiro Ferreira Filho <janito.vff@gmail.com>
|
|
*
|
|
* 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 <eda_item.h>
|
|
|
|
#include <geometry/shape_line_chain.h>
|
|
#include <geometry/shape_poly_set.h>
|
|
|
|
#include "graphics_importer_buffer.h"
|
|
|
|
using namespace std;
|
|
|
|
template <typename T, typename... Args>
|
|
static std::unique_ptr<T> make_shape( const Args&... aArguments )
|
|
{
|
|
return std::make_unique<T>( aArguments... );
|
|
}
|
|
|
|
void GRAPHICS_IMPORTER_BUFFER::AddLine( const VECTOR2D& aStart, const VECTOR2D& aEnd,
|
|
const IMPORTED_STROKE& aStroke )
|
|
{
|
|
m_shapes.push_back( make_shape<IMPORTED_LINE>( aStart, aEnd, aStroke ) );
|
|
}
|
|
|
|
|
|
void GRAPHICS_IMPORTER_BUFFER::AddCircle( const VECTOR2D& aCenter, double aRadius,
|
|
const IMPORTED_STROKE& aStroke, bool aFilled,
|
|
const COLOR4D& aFillColor )
|
|
{
|
|
m_shapes.push_back(
|
|
make_shape<IMPORTED_CIRCLE>( aCenter, aRadius, aStroke, aFilled, aFillColor ) );
|
|
}
|
|
|
|
|
|
void GRAPHICS_IMPORTER_BUFFER::AddArc( const VECTOR2D& aCenter, const VECTOR2D& aStart,
|
|
const EDA_ANGLE& aAngle, const IMPORTED_STROKE& aStroke )
|
|
{
|
|
m_shapes.push_back( make_shape<IMPORTED_ARC>( aCenter, aStart, aAngle, aStroke ) );
|
|
}
|
|
|
|
|
|
void GRAPHICS_IMPORTER_BUFFER::AddPolygon( const std::vector<VECTOR2D>& aVertices,
|
|
const IMPORTED_STROKE& aStroke, bool aFilled,
|
|
const COLOR4D& aFillColor )
|
|
{
|
|
m_shapes.push_back( make_shape<IMPORTED_POLYGON>( aVertices, aStroke, aFilled, aFillColor ) );
|
|
|
|
m_shapes.back()->SetParentShapeIndex( m_shapeFillRules.size() - 1 );
|
|
}
|
|
|
|
|
|
void GRAPHICS_IMPORTER_BUFFER::AddText( const VECTOR2D& aOrigin, const wxString& aText,
|
|
double aHeight, double aWidth, double aThickness,
|
|
double aOrientation, GR_TEXT_H_ALIGN_T aHJustify,
|
|
GR_TEXT_V_ALIGN_T aVJustify, const COLOR4D& aColor )
|
|
{
|
|
m_shapes.push_back( make_shape<IMPORTED_TEXT>( aOrigin, aText, aHeight, aWidth, aThickness,
|
|
aOrientation, aHJustify, aVJustify, aColor ) );
|
|
}
|
|
|
|
|
|
void GRAPHICS_IMPORTER_BUFFER::AddSpline( const VECTOR2D& aStart, const VECTOR2D& aBezierControl1,
|
|
const VECTOR2D& aBezierControl2, const VECTOR2D& aEnd,
|
|
const IMPORTED_STROKE& aStroke )
|
|
{
|
|
m_shapes.push_back( make_shape<IMPORTED_SPLINE>( aStart, aBezierControl1, aBezierControl2, aEnd,
|
|
aStroke ) );
|
|
}
|
|
|
|
|
|
void GRAPHICS_IMPORTER_BUFFER::AddShape( std::unique_ptr<IMPORTED_SHAPE>& aShape )
|
|
{
|
|
m_shapes.push_back( std::move( aShape ) );
|
|
}
|
|
|
|
|
|
void GRAPHICS_IMPORTER_BUFFER::ImportTo( GRAPHICS_IMPORTER& aImporter )
|
|
{
|
|
for( std::unique_ptr<IMPORTED_SHAPE>& shape : m_shapes )
|
|
shape->ImportTo( aImporter );
|
|
}
|
|
|
|
// converts a single SVG-style polygon (multiple outlines, hole detection based on orientation, custom fill rule) to a format that can be digested by KiCad (single outline, fractured)
|
|
static void convertPolygon( std::list<std::unique_ptr<IMPORTED_SHAPE>>& aShapes,
|
|
std::vector<IMPORTED_POLYGON*>& aPaths,
|
|
GRAPHICS_IMPORTER::POLY_FILL_RULE aFillRule,
|
|
const IMPORTED_STROKE& aStroke, bool aFilled,
|
|
const COLOR4D& aFillColor )
|
|
{
|
|
double minX = std::numeric_limits<double>::max();
|
|
double minY = minX;
|
|
double maxX = std::numeric_limits<double>::min();
|
|
double maxY = maxX;
|
|
|
|
// as Clipper/SHAPE_POLY_SET uses ints we first need to upscale to a reasonably large size (in integer coordinates)
|
|
// to avoid losing accuracy
|
|
const double convert_scale = 1000000000.0;
|
|
|
|
for( IMPORTED_POLYGON* path : aPaths )
|
|
{
|
|
for( VECTOR2D& v : path->Vertices() )
|
|
{
|
|
minX = std::min( minX, v.x );
|
|
minY = std::min( minY, v.y );
|
|
maxX = std::max( maxX, v.x );
|
|
maxY = std::max( maxY, v.y );
|
|
}
|
|
}
|
|
|
|
double origW = ( maxX - minX );
|
|
double origH = ( maxY - minY );
|
|
double upscaledW, upscaledH;
|
|
|
|
if( origW > origH )
|
|
{
|
|
upscaledW = convert_scale;
|
|
upscaledH = ( origH == 0.0f ? 0.0 : origH * convert_scale / origW );
|
|
}
|
|
else
|
|
{
|
|
upscaledH = convert_scale;
|
|
upscaledW = ( origW == 0.0f ? 0.0 : origW * convert_scale / origH );
|
|
}
|
|
|
|
std::vector<SHAPE_LINE_CHAIN> upscaledPaths;
|
|
|
|
for( IMPORTED_POLYGON* path : aPaths )
|
|
{
|
|
SHAPE_LINE_CHAIN lc;
|
|
|
|
for( VECTOR2D& v : path->Vertices() )
|
|
{
|
|
int xp = KiROUND( ( v.x - minX ) * ( upscaledW / origW ) );
|
|
int yp = KiROUND( ( v.y - minY ) * ( upscaledH / origH ) );
|
|
lc.Append( xp, yp );
|
|
}
|
|
lc.SetClosed( true );
|
|
upscaledPaths.push_back( lc );
|
|
}
|
|
|
|
SHAPE_POLY_SET result = SHAPE_POLY_SET::BuildPolysetFromOrientedPaths(
|
|
upscaledPaths, false, aFillRule == GRAPHICS_IMPORTER::PF_EVEN_ODD );
|
|
result.Fracture( SHAPE_POLY_SET::PM_STRICTLY_SIMPLE );
|
|
|
|
for( int outl = 0; outl < result.OutlineCount(); outl++ )
|
|
{
|
|
const SHAPE_LINE_CHAIN& ro = result.COutline( outl );
|
|
std::vector<VECTOR2D> pts;
|
|
for( int i = 0; i < ro.PointCount(); i++ )
|
|
{
|
|
double xp = (double) ro.CPoint( i ).x * ( origW / upscaledW ) + minX;
|
|
double yp = (double) ro.CPoint( i ).y * ( origH / upscaledH ) + minY;
|
|
pts.emplace_back( VECTOR2D( xp, yp ) );
|
|
}
|
|
|
|
aShapes.push_back(
|
|
std::make_unique<IMPORTED_POLYGON>( pts, aStroke, aFilled, aFillColor ) );
|
|
}
|
|
}
|
|
|
|
|
|
void GRAPHICS_IMPORTER_BUFFER::PostprocessNestedPolygons()
|
|
{
|
|
int curShapeIdx = -1;
|
|
IMPORTED_STROKE lastStroke;
|
|
bool lastFilled = false;
|
|
COLOR4D lastFillColor = COLOR4D::UNSPECIFIED;
|
|
|
|
std::list<std::unique_ptr<IMPORTED_SHAPE>> newShapes;
|
|
std::vector<IMPORTED_POLYGON*> polypaths;
|
|
|
|
for( std::unique_ptr<IMPORTED_SHAPE>& shape : m_shapes )
|
|
{
|
|
IMPORTED_POLYGON* poly = dynamic_cast<IMPORTED_POLYGON*>( shape.get() );
|
|
|
|
if( !poly || poly->GetParentShapeIndex() < 0 )
|
|
{
|
|
newShapes.push_back( shape->clone() );
|
|
continue;
|
|
}
|
|
|
|
int index = poly->GetParentShapeIndex();
|
|
|
|
if( index != curShapeIdx && curShapeIdx >= 0 )
|
|
{
|
|
convertPolygon( newShapes, polypaths, m_shapeFillRules[curShapeIdx], lastStroke,
|
|
lastFilled, lastFillColor );
|
|
|
|
polypaths.clear();
|
|
}
|
|
|
|
curShapeIdx = index;
|
|
lastStroke = poly->GetStroke();
|
|
lastFilled = poly->IsFilled();
|
|
lastFillColor = poly->GetFillColor();
|
|
polypaths.push_back( poly );
|
|
}
|
|
|
|
if( curShapeIdx >= 0 )
|
|
{
|
|
convertPolygon( newShapes, polypaths, m_shapeFillRules[curShapeIdx], lastStroke, lastFilled,
|
|
lastFillColor );
|
|
}
|
|
|
|
m_shapes.swap( newShapes );
|
|
}
|