Merge pull request #3 from saurabhb17/master

secondary files

1 files changed, 519 insertions, 0 deletions

diff --git a/common/class_plotter.cpp b/common/class_plotter.cpp
new file mode 100644
index 0000000..9c1e9c0
--- /dev/null
+++ b/common/class_plotter.cpp
@@ -0,0 +1,519 @@
+/*
+ * 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 <fctsys.h>
+
+#include <trigo.h>
+#include <wxstruct.h>
+#include <base_struct.h>
+#include <common.h>
+#include <plot_common.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
+    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 )
+{
+    pageInfo = aPageSettings;
+}