/* * This program source code file is part of KiCad, a free EDA CAD application. * * Copyright (C) 2014 Jean-Pierre Charras, jp.charras at wanadoo.fr * Copyright (C) 2014 KiCad Developers, see CHANGELOG.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 class_plotter.cpp * @brief KiCad: Base of all the plot routines * the class PLOTTER handle basic functions to plot schematic and boards * with different plot formats. * * There are currently engines for: * HPGL * POSTSCRIPT * GERBER * DXF * an SVG 'plot' is also provided along with the 'print' function by wx, but * is not handled here. */ #include #include #include #include #include #include #include #include #include PLOTTER::PLOTTER( ) { plotScale = 1; defaultPenWidth = 0; currentPenWidth = -1; // To-be-set marker penState = 'Z'; // End-of-path idle m_plotMirror = false; // Plot mirror option flag m_mirrorIsHorizontal = true; m_yaxisReversed = false; outputFile = 0; colorMode = false; // Starts as a BW plot negativeMode = false; // Temporary init to avoid not initialized vars, will be set later m_IUsPerDecimil = 1; // will be set later to the actual value iuPerDeviceUnit = 1; // will be set later to the actual value m_dashMarkLength_mm = 0.5; // Dashed line parameter in mm: segment m_dashGapLength_mm = 0.25; // Dashed line parameter in mm: gap } PLOTTER::~PLOTTER() { // Emergency cleanup, but closing the file is // usually made in EndPlot(). if( outputFile ) fclose( outputFile ); } bool PLOTTER::OpenFile( const wxString& aFullFilename ) { filename = aFullFilename; wxASSERT( !outputFile ); // Open the file in text mode (not suitable for all plotters // but only for most of them outputFile = wxFopen( filename, wxT( "wt" ) ); if( outputFile == NULL ) return false ; return true; } DPOINT PLOTTER::userToDeviceCoordinates( const wxPoint& aCoordinate ) { wxPoint pos = aCoordinate - plotOffset; double x = pos.x * plotScale; double y = ( paperSize.y - pos.y * plotScale ); if( m_plotMirror ) { if( m_mirrorIsHorizontal ) x = ( paperSize.x - pos.x * plotScale ); else y = pos.y * plotScale; } if( m_yaxisReversed ) y = paperSize.y - y; x *= iuPerDeviceUnit; y *= iuPerDeviceUnit; return DPOINT( x, y ); } DPOINT PLOTTER::userToDeviceSize( const wxSize& size ) { return DPOINT( size.x * plotScale * iuPerDeviceUnit, size.y * plotScale * iuPerDeviceUnit ); } double PLOTTER::userToDeviceSize( double size ) const { return size * plotScale * iuPerDeviceUnit; } double PLOTTER::GetDashMarkLenIU() const { double mark = userToDeviceSize( m_dashMarkLength_mm*10000/25.4*m_IUsPerDecimil - GetCurrentLineWidth() ); return ( mark < 0.0 ) ? 0.0 : mark; } double PLOTTER::GetDashGapLenIU() const { return userToDeviceSize( m_dashGapLength_mm*10000/25.4*m_IUsPerDecimil + GetCurrentLineWidth() ); } void PLOTTER::Arc( const wxPoint& centre, double StAngle, double EndAngle, int radius, FILL_T fill, int width ) { wxPoint start, end; const int delta = 50; // increment (in 0.1 degrees) to draw circles if( StAngle > EndAngle ) std::swap( StAngle, EndAngle ); SetCurrentLineWidth( width ); /* Please NOTE the different sign due to Y-axis flip */ start.x = centre.x + KiROUND( cosdecideg( radius, -StAngle ) ); start.y = centre.y + KiROUND( sindecideg( radius, -StAngle ) ); MoveTo( start ); for( int ii = StAngle + delta; ii < EndAngle; ii += delta ) { end.x = centre.x + KiROUND( cosdecideg( radius, -ii ) ); end.y = centre.y + KiROUND( sindecideg( radius, -ii ) ); LineTo( end ); } end.x = centre.x + KiROUND( cosdecideg( radius, -EndAngle ) ); end.y = centre.y + KiROUND( sindecideg( radius, -EndAngle ) ); FinishTo( end ); } void PLOTTER::PlotImage(const wxImage & aImage, const wxPoint& aPos, double aScaleFactor ) { wxSize size( aImage.GetWidth() * aScaleFactor, aImage.GetHeight() * aScaleFactor ); wxPoint start = aPos; start.x -= size.x / 2; start.y -= size.y / 2; wxPoint end = start; end.x += size.x; end.y += size.y; Rect( start, end, NO_FILL ); } void PLOTTER::markerSquare( const wxPoint& position, int radius ) { double r = KiROUND( radius / 1.4142 ); std::vector< wxPoint > corner_list; wxPoint corner; corner.x = position.x + r; corner.y = position.y + r; corner_list.push_back( corner ); corner.x = position.x + r; corner.y = position.y - r; corner_list.push_back( corner ); corner.x = position.x - r; corner.y = position.y - r; corner_list.push_back( corner ); corner.x = position.x - r; corner.y = position.y + r; corner_list.push_back( corner ); corner.x = position.x + r; corner.y = position.y + r; corner_list.push_back( corner ); PlotPoly( corner_list, NO_FILL, GetCurrentLineWidth() ); } void PLOTTER::markerCircle( const wxPoint& position, int radius ) { Circle( position, radius * 2, NO_FILL, GetCurrentLineWidth() ); } void PLOTTER::markerLozenge( const wxPoint& position, int radius ) { std::vector< wxPoint > corner_list; wxPoint corner; corner.x = position.x; corner.y = position.y + radius; corner_list.push_back( corner ); corner.x = position.x + radius; corner.y = position.y, corner_list.push_back( corner ); corner.x = position.x; corner.y = position.y - radius; corner_list.push_back( corner ); corner.x = position.x - radius; corner.y = position.y; corner_list.push_back( corner ); corner.x = position.x; corner.y = position.y + radius; corner_list.push_back( corner ); PlotPoly( corner_list, NO_FILL, GetCurrentLineWidth() ); } void PLOTTER::markerHBar( const wxPoint& pos, int radius ) { MoveTo( wxPoint( pos.x - radius, pos.y ) ); FinishTo( wxPoint( pos.x + radius, pos.y ) ); } void PLOTTER::markerSlash( const wxPoint& pos, int radius ) { MoveTo( wxPoint( pos.x - radius, pos.y - radius ) ); FinishTo( wxPoint( pos.x + radius, pos.y + radius ) ); } void PLOTTER::markerBackSlash( const wxPoint& pos, int radius ) { MoveTo( wxPoint( pos.x + radius, pos.y - radius ) ); FinishTo( wxPoint( pos.x - radius, pos.y + radius ) ); } void PLOTTER::markerVBar( const wxPoint& pos, int radius ) { MoveTo( wxPoint( pos.x, pos.y - radius ) ); FinishTo( wxPoint( pos.x, pos.y + radius ) ); } void PLOTTER::Marker( const wxPoint& position, int diametre, unsigned aShapeId ) { int radius = diametre / 2; /* Marker are composed by a series of 'parts' superimposed; not every combination make sense, obviously. Since they are used in order I tried to keep the uglier/more complex constructions at the end. Also I avoided the |/ |\ -/ -\ construction because they're *very* ugly... if needed they could be added anyway... I'd like to see a board with more than 58 drilling/slotting tools! If Visual C++ supported the 0b literals they would be optimally and easily encoded as an integer array. We have to do with octal */ static const unsigned char marker_patterns[MARKER_COUNT] = { // Bit order: O Square Lozenge - | \ / // First choice: simple shapes 0003, // X 0100, // O 0014, // + 0040, // Sq 0020, // Lz // Two simple shapes 0103, // X O 0017, // X + 0043, // X Sq 0023, // X Lz 0114, // O + 0140, // O Sq 0120, // O Lz 0054, // + Sq 0034, // + Lz 0060, // Sq Lz // Three simple shapes 0117, // X O + 0143, // X O Sq 0123, // X O Lz 0057, // X + Sq 0037, // X + Lz 0063, // X Sq Lz 0154, // O + Sq 0134, // O + Lz 0074, // + Sq Lz // Four simple shapes 0174, // O Sq Lz + 0163, // X O Sq Lz 0157, // X O Sq + 0137, // X O Lz + 0077, // X Sq Lz + // This draws *everything * 0177, // X O Sq Lz + // Here we use the single bars... so the cross is forbidden 0110, // O - 0104, // O | 0101, // O / 0050, // Sq - 0044, // Sq | 0041, // Sq / 0030, // Lz - 0024, // Lz | 0021, // Lz / 0150, // O Sq - 0144, // O Sq | 0141, // O Sq / 0130, // O Lz - 0124, // O Lz | 0121, // O Lz / 0070, // Sq Lz - 0064, // Sq Lz | 0061, // Sq Lz / 0170, // O Sq Lz - 0164, // O Sq Lz | 0161, // O Sq Lz / // Last resort: the backlash component (easy to confound) 0102, // \ O 0042, // \ Sq 0022, // \ Lz 0142, // \ O Sq 0122, // \ O Lz 0062, // \ Sq Lz 0162 // \ O Sq Lz }; if( aShapeId >= MARKER_COUNT ) { // Fallback shape markerCircle( position, radius ); } else { // Decode the pattern and draw the corresponding parts unsigned char pat = marker_patterns[aShapeId]; if( pat & 0001 ) markerSlash( position, radius ); if( pat & 0002 ) markerBackSlash( position, radius ); if( pat & 0004 ) markerVBar( position, radius ); if( pat & 0010 ) markerHBar( position, radius ); if( pat & 0020 ) markerLozenge( position, radius ); if( pat & 0040 ) markerSquare( position, radius ); if( pat & 0100 ) markerCircle( position, radius ); } } void PLOTTER::segmentAsOval( const wxPoint& start, const wxPoint& end, int width, EDA_DRAW_MODE_T tracemode ) { wxPoint center( (start.x + end.x) / 2, (start.y + end.y) / 2 ); wxSize size( end.x - start.x, end.y - start.y ); double orient; if( size.y == 0 ) orient = 0; else if( size.x == 0 ) orient = 900; else orient = -ArcTangente( size.y, size.x ); size.x = KiROUND( EuclideanNorm( size ) ) + width; size.y = width; FlashPadOval( center, size, orient, tracemode ); } void PLOTTER::sketchOval( const wxPoint& pos, const wxSize& aSize, double orient, int width ) { SetCurrentLineWidth( width ); width = currentPenWidth; int radius, deltaxy, cx, cy; wxSize size( aSize ); if( size.x > size.y ) { std::swap( size.x, size.y ); orient = AddAngles( orient, 900 ); } deltaxy = size.y - size.x; /* distance between centers of the oval */ radius = ( size.x - width ) / 2; cx = -radius; cy = -deltaxy / 2; RotatePoint( &cx, &cy, orient ); MoveTo( wxPoint( cx + pos.x, cy + pos.y ) ); cx = -radius; cy = deltaxy / 2; RotatePoint( &cx, &cy, orient ); FinishTo( wxPoint( cx + pos.x, cy + pos.y ) ); cx = radius; cy = -deltaxy / 2; RotatePoint( &cx, &cy, orient ); MoveTo( wxPoint( cx + pos.x, cy + pos.y ) ); cx = radius; cy = deltaxy / 2; RotatePoint( &cx, &cy, orient ); FinishTo( wxPoint( cx + pos.x, cy + pos.y ) ); cx = 0; cy = deltaxy / 2; RotatePoint( &cx, &cy, orient ); Arc( wxPoint( cx + pos.x, cy + pos.y ), orient + 1800, orient + 3600, radius, NO_FILL ); cx = 0; cy = -deltaxy / 2; RotatePoint( &cx, &cy, orient ); Arc( wxPoint( cx + pos.x, cy + pos.y ), orient, orient + 1800, radius, NO_FILL ); } void PLOTTER::ThickSegment( const wxPoint& start, const wxPoint& end, int width, EDA_DRAW_MODE_T tracemode ) { if( tracemode == FILLED ) { SetCurrentLineWidth( width ); MoveTo( start ); FinishTo( end ); } else { SetCurrentLineWidth( -1 ); segmentAsOval( start, end, width, tracemode ); } } void PLOTTER::ThickArc( const wxPoint& centre, double StAngle, double EndAngle, int radius, int width, EDA_DRAW_MODE_T tracemode ) { if( tracemode == FILLED ) Arc( centre, StAngle, EndAngle, radius, NO_FILL, width ); else { SetCurrentLineWidth( -1 ); Arc( centre, StAngle, EndAngle, radius - ( width - currentPenWidth ) / 2, NO_FILL, -1 ); Arc( centre, StAngle, EndAngle, radius + ( width - currentPenWidth ) / 2, NO_FILL, -1 ); } } void PLOTTER::ThickRect( const wxPoint& p1, const wxPoint& p2, int width, EDA_DRAW_MODE_T tracemode ) { if( tracemode == FILLED ) Rect( p1, p2, NO_FILL, width ); else { SetCurrentLineWidth( -1 ); wxPoint offsetp1( p1.x - (width - currentPenWidth) / 2, p1.y - (width - currentPenWidth) / 2 ); wxPoint offsetp2( p2.x + (width - currentPenWidth) / 2, p2.y + (width - currentPenWidth) / 2 ); Rect( offsetp1, offsetp2, NO_FILL, -1 ); offsetp1.x += (width - currentPenWidth); offsetp1.y += (width - currentPenWidth); offsetp2.x -= (width - currentPenWidth); offsetp2.y -= (width - currentPenWidth); Rect( offsetp1, offsetp2, NO_FILL, -1 ); } } void PLOTTER::ThickCircle( const wxPoint& pos, int diametre, int width, EDA_DRAW_MODE_T tracemode ) { if( tracemode == FILLED ) Circle( pos, diametre, NO_FILL, width ); else { SetCurrentLineWidth( -1 ); Circle( pos, diametre - width + currentPenWidth, NO_FILL, -1 ); Circle( pos, diametre + width - currentPenWidth, NO_FILL, -1 ); } } void PLOTTER::SetPageSettings( const PAGE_INFO& aPageSettings ) { wxASSERT( !outputFile ); pageInfo = aPageSettings; }