/** * @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 #include PLOTTER::PLOTTER( ) { plotScale = 1; defaultPenWidth = 0; currentPenWidth = -1; // To-be-set marker penState = 'Z'; // End-of-path idle plotMirror = false; // Mirror flag outputFile = 0; colorMode = false; // Starts as a BW plot negativeMode = false; } PLOTTER::~PLOTTER() { // Emergency cleanup, but closing the file is // usually made in EndPlot(). if( outputFile ) { fclose( outputFile ); } } /* * Open or create the plot file aFullFilename * return true if success, false if the file connot be created/opened * * Virtual because some plotters use ascii files, some others binary files (PDF) * The base class open the file in text mode */ 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; } /** * Modifies coordinates according to the orientation, * scale factor, and offsets trace. Also convert from a wxPoint to DPOINT, * since some output engines needs floating point coordinates. */ DPOINT PLOTTER::userToDeviceCoordinates( const wxPoint& pos ) { double x = (pos.x - plotOffset.x) * plotScale * iuPerDeviceUnit; double y; if( plotMirror ) y = ( pos.y - plotOffset.y ) * plotScale * iuPerDeviceUnit ; else y = ( paperSize.y - ( pos.y - plotOffset.y ) * plotScale ) * iuPerDeviceUnit ; return DPOINT( x, y ); } /** * Modifies size according to the plotter scale factors * (wxSize version, returns a DPOINT) */ DPOINT PLOTTER::userToDeviceSize( const wxSize& size ) { return DPOINT( size.x * plotScale * iuPerDeviceUnit, size.y * plotScale * iuPerDeviceUnit ); } /** * Modifies size according to the plotter scale factors * (simple double version) */ double PLOTTER::userToDeviceSize( double size ) { return size * plotScale * iuPerDeviceUnit; } /** * Generic fallback: arc rendered as a polyline */ void PLOTTER::Arc( const wxPoint& centre, int StAngle, int EndAngle, int radius, FILL_T fill, int width ) { wxPoint start, end; const int delta = 50; // increment (in 0.1 degrees) to draw circles double alpha; if( StAngle > EndAngle ) EXCHG( StAngle, EndAngle ); SetCurrentLineWidth( width ); /* Please NOTE the different sign due to Y-axis flip */ alpha = DEG2RAD( StAngle / 10.0 ); start.x = centre.x + (int) ( radius * cos( -alpha ) ); start.y = centre.y + (int) ( radius * sin( -alpha ) ); MoveTo( start ); for( int ii = StAngle + delta; ii < EndAngle; ii += delta ) { alpha = DEG2RAD( ii / 10.0 ); end.x = centre.x + (int) ( radius * cos( -alpha ) ); end.y = centre.y + (int) ( radius * sin( -alpha ) ); LineTo( end ); } alpha = DEG2RAD( EndAngle / 10.0 ); end.x = centre.x + (int) ( radius * cos( -alpha ) ); end.y = centre.y + (int) ( radius * sin( -alpha ) ); FinishTo( end ); } /** * Fallback: if it doesn't handle bitmaps, we plot a rectangle */ 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 ); } /** * Plot a square centered on the position. Building block for markers */ 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 ); } /** * Plot a circle centered on the position. Building block for markers */ void PLOTTER::markerCircle( const wxPoint& position, int radius ) { Circle( position, radius * 2, NO_FILL ); } /** * Plot a lozenge centered on the position. Building block for markers */ 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 ); } /** * Plot a - bar centered on the position. Building block for markers */ void PLOTTER::markerHBar( const wxPoint& pos, int radius ) { MoveTo( wxPoint( pos.x - radius, pos.y ) ); FinishTo( wxPoint( pos.x + radius, pos.y ) ); } /** * Plot a / bar centered on the position. Building block for markers */ void PLOTTER::markerSlash( const wxPoint& pos, int radius ) { MoveTo( wxPoint( pos.x - radius, pos.y - radius ) ); FinishTo( wxPoint( pos.x + radius, pos.y + radius ) ); } /** * Plot a \ bar centered on the position. Building block for markers */ void PLOTTER::markerBackSlash( const wxPoint& pos, int radius ) { MoveTo( wxPoint( pos.x + radius, pos.y - radius ) ); FinishTo( wxPoint( pos.x - radius, pos.y + radius ) ); } /** * Plot a | bar centered on the position. Building block for markers */ void PLOTTER::markerVBar( const wxPoint& pos, int radius ) { MoveTo( wxPoint( pos.x, pos.y - radius ) ); FinishTo( wxPoint( pos.x, pos.y + radius ) ); } /** * Draw a pattern shape number aShapeId, to coord x0, y0. * x0, y0 = coordinates tables * Diameter diameter = (coord table) hole * AShapeId = index (used to generate forms characters) */ 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 ); } } /** * Convert a thick segment and plot it as an oval */ 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 ); int orient; if( size.y == 0 ) orient = 0; else if( size.x == 0 ) orient = 900; else orient = -(int) ( RAD2DEG( atan2( (double)size.y, (double)size.x ) ) * 10.0 ); size.x = KiROUND( hypot( size.x, size.y ) ) + width; size.y = width; FlashPadOval( center, size, orient, tracemode ); } void PLOTTER::sketchOval( const wxPoint& pos, const wxSize& aSize, int orient, int width ) { SetCurrentLineWidth( width ); width = currentPenWidth; int radius, deltaxy, cx, cy; wxSize size( aSize ); if( size.x > size.y ) { EXCHG( size.x, size.y ); orient += 900; if( orient >= 3600 ) orient -= 3600; } 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 ); } /* Plot 1 segment like a track segment */ void PLOTTER::ThickSegment( const wxPoint& start, const wxPoint& end, int width, EDA_DRAW_MODE_T tracemode ) { switch( tracemode ) { case FILLED: case LINE: SetCurrentLineWidth( tracemode==FILLED ? width : -1 ); MoveTo( start ); FinishTo( end ); break; case SKETCH: SetCurrentLineWidth( -1 ); segmentAsOval( start, end, width, tracemode ); break; } } void PLOTTER::ThickArc( const wxPoint& centre, int StAngle, int EndAngle, int radius, int width, EDA_DRAW_MODE_T tracemode ) { switch( tracemode ) { case LINE: SetCurrentLineWidth( -1 ); Arc( centre, StAngle, EndAngle, radius, NO_FILL, -1 ); break; case FILLED: Arc( centre, StAngle, EndAngle, radius, NO_FILL, width ); break; case SKETCH: SetCurrentLineWidth( -1 ); Arc( centre, StAngle, EndAngle, radius - ( width - currentPenWidth ) / 2, NO_FILL, -1 ); Arc( centre, StAngle, EndAngle, radius + ( width - currentPenWidth ) / 2, NO_FILL, -1 ); break; } } void PLOTTER::ThickRect( const wxPoint& p1, const wxPoint& p2, int width, EDA_DRAW_MODE_T tracemode ) { switch( tracemode ) { case LINE: Rect( p1, p2, NO_FILL, -1 ); break; case FILLED: Rect( p1, p2, NO_FILL, width ); break; case SKETCH: 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 ); break; } } void PLOTTER::ThickCircle( const wxPoint& pos, int diametre, int width, EDA_DRAW_MODE_T tracemode ) { switch( tracemode ) { case LINE: Circle( pos, diametre, NO_FILL, -1 ); break; case FILLED: Circle( pos, diametre, NO_FILL, width ); break; case SKETCH: SetCurrentLineWidth( -1 ); Circle( pos, diametre - width + currentPenWidth, NO_FILL, -1 ); Circle( pos, diametre + width - currentPenWidth, NO_FILL, -1 ); break; } } void PLOTTER::SetPageSettings( const PAGE_INFO& aPageSettings ) { wxASSERT( !outputFile ); pageInfo = aPageSettings; }