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kicad/common/class_plotter.cpp

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/**
* @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 <fctsys.h>
#include <trigo.h>
#include <wxstruct.h>
#include <base_struct.h>
#include <common.h>
#include <plot_common.h>
#include <worksheet.h>
#include <macros.h>
#include <class_base_screen.h>
#include <drawtxt.h>
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;
}
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