Merge pull request #1 from saurabhb17/develop

Secondary files

1 files changed, 562 insertions, 0 deletions

diff --git a/eeschema/lib_polyline.cpp b/eeschema/lib_polyline.cpp
new file mode 100644
index 0000000..826adca
--- /dev/null
+++ b/eeschema/lib_polyline.cpp
@@ -0,0 +1,562 @@
+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2012 Jean-Pierre Charras, jp.charras at wanadoo.fr
+ * Copyright (C) 2004-2015 KiCad Developers, see change_log.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 lib_polyline.cpp
+ */
+
+#include <fctsys.h>
+#include <gr_basic.h>
+#include <macros.h>
+#include <class_drawpanel.h>
+#include <plot_common.h>
+#include <trigo.h>
+#include <wxstruct.h>
+#include <richio.h>
+#include <base_units.h>
+#include <msgpanel.h>
+
+#include <general.h>
+#include <lib_polyline.h>
+#include <transform.h>
+
+#include <boost/foreach.hpp>
+
+
+LIB_POLYLINE::LIB_POLYLINE( LIB_PART*      aParent ) :
+    LIB_ITEM( LIB_POLYLINE_T, aParent )
+{
+    m_Fill  = NO_FILL;
+    m_Width = 0;
+    m_isFillable = true;
+    m_typeName   = _( "PolyLine" );
+    m_ModifyIndex = 0;
+}
+
+
+bool LIB_POLYLINE::Save( OUTPUTFORMATTER& aFormatter )
+{
+    int ccount = GetCornerCount();
+
+    aFormatter.Print( 0, "P %d %d %d %d", ccount, m_Unit, m_Convert, m_Width );
+
+    for( unsigned i = 0; i < GetCornerCount(); i++ )
+    {
+        aFormatter.Print( 0, " %d %d", m_PolyPoints[i].x, m_PolyPoints[i].y );
+    }
+
+    aFormatter.Print( 0, " %c\n", fill_tab[m_Fill] );
+
+    return true;
+}
+
+
+bool LIB_POLYLINE::Load( LINE_READER& aLineReader, wxString& aErrorMsg )
+{
+    char*   p;
+    int     i, ccount = 0;
+    wxPoint pt;
+    char*   line = (char*) aLineReader;
+
+    i = sscanf( line + 2, "%d %d %d %d", &ccount, &m_Unit, &m_Convert, &m_Width );
+
+    m_Fill = NO_FILL;
+
+    if( i < 4 )
+    {
+        aErrorMsg.Printf( _( "Polyline only had %d parameters of the required 4" ), i );
+        return false;
+    }
+
+    if( ccount <= 0 )
+    {
+        aErrorMsg.Printf( _( "Polyline count parameter %d is invalid" ), ccount );
+        return false;
+    }
+
+    strtok( line + 2, " \t\n" );     // Skip field
+    strtok( NULL, " \t\n" );         // Skip field
+    strtok( NULL, " \t\n" );         // Skip field
+    strtok( NULL, " \t\n" );
+
+    for( i = 0; i < ccount; i++ )
+    {
+        p = strtok( NULL, " \t\n" );
+
+        if( p == NULL || sscanf( p, "%d", &pt.x ) != 1 )
+        {
+            aErrorMsg.Printf( _( "Polyline point %d X position not defined" ), i );
+            return false;
+        }
+
+        p = strtok( NULL, " \t\n" );
+
+        if( p == NULL || sscanf( p, "%d", &pt.y ) != 1 )
+        {
+            aErrorMsg.Printf( _( "Polyline point %d Y position not defined" ), i );
+            return false;
+        }
+
+        AddPoint( pt );
+    }
+
+    if( ( p = strtok( NULL, " \t\n" ) ) != NULL )
+    {
+        if( p[0] == 'F' )
+            m_Fill = FILLED_SHAPE;
+
+        if( p[0] == 'f' )
+            m_Fill = FILLED_WITH_BG_BODYCOLOR;
+    }
+
+    return true;
+}
+
+
+EDA_ITEM* LIB_POLYLINE::Clone() const
+{
+    return new LIB_POLYLINE( *this );
+}
+
+
+int LIB_POLYLINE::compare( const LIB_ITEM& aOther ) const
+{
+    wxASSERT( aOther.Type() == LIB_POLYLINE_T );
+
+    const LIB_POLYLINE* tmp = (LIB_POLYLINE*) &aOther;
+
+    if( m_PolyPoints.size() != tmp->m_PolyPoints.size() )
+        return m_PolyPoints.size() - tmp->m_PolyPoints.size();
+
+    for( size_t i = 0; i < m_PolyPoints.size(); i++ )
+    {
+        if( m_PolyPoints[i].x != tmp->m_PolyPoints[i].x )
+            return m_PolyPoints[i].x - tmp->m_PolyPoints[i].x;
+
+        if( m_PolyPoints[i].y != tmp->m_PolyPoints[i].y )
+            return m_PolyPoints[i].y - tmp->m_PolyPoints[i].y;
+    }
+
+    return 0;
+}
+
+
+void LIB_POLYLINE::SetOffset( const wxPoint& aOffset )
+{
+    for( size_t i = 0; i < m_PolyPoints.size(); i++ )
+        m_PolyPoints[i] += aOffset;
+}
+
+
+bool LIB_POLYLINE::Inside( EDA_RECT& aRect ) const
+{
+    for( size_t i = 0; i < m_PolyPoints.size(); i++ )
+    {
+        if( aRect.Contains( m_PolyPoints[i].x, -m_PolyPoints[i].y ) )
+            return true;
+    }
+
+    return false;
+}
+
+
+void LIB_POLYLINE::Move( const wxPoint& aPosition )
+{
+    SetOffset( aPosition - m_PolyPoints[0] );
+}
+
+
+void LIB_POLYLINE::MirrorHorizontal( const wxPoint& aCenter )
+{
+    size_t i, imax = m_PolyPoints.size();
+
+    for( i = 0; i < imax; i++ )
+    {
+        m_PolyPoints[i].x -= aCenter.x;
+        m_PolyPoints[i].x *= -1;
+        m_PolyPoints[i].x += aCenter.x;
+    }
+}
+
+void LIB_POLYLINE::MirrorVertical( const wxPoint& aCenter )
+{
+    size_t i, imax = m_PolyPoints.size();
+
+    for( i = 0; i < imax; i++ )
+    {
+        m_PolyPoints[i].y -= aCenter.y;
+        m_PolyPoints[i].y *= -1;
+        m_PolyPoints[i].y += aCenter.y;
+    }
+}
+
+void LIB_POLYLINE::Rotate( const wxPoint& aCenter, bool aRotateCCW )
+{
+    int rot_angle = aRotateCCW ? -900 : 900;
+
+    size_t i, imax = m_PolyPoints.size();
+
+    for( i = 0; i < imax; i++ )
+    {
+        RotatePoint( &m_PolyPoints[i], aCenter, rot_angle );
+   }
+}
+
+
+void LIB_POLYLINE::Plot( PLOTTER* aPlotter, const wxPoint& aOffset, bool aFill,
+                         const TRANSFORM& aTransform )
+{
+    wxASSERT( aPlotter != NULL );
+
+    static std::vector< wxPoint > cornerList;
+    cornerList.clear();
+
+    for( unsigned ii = 0; ii < m_PolyPoints.size(); ii++ )
+    {
+        wxPoint pos = m_PolyPoints[ii];
+        pos = aTransform.TransformCoordinate( pos ) + aOffset;
+        cornerList.push_back( pos );
+    }
+
+    if( aFill && m_Fill == FILLED_WITH_BG_BODYCOLOR )
+    {
+        aPlotter->SetColor( GetLayerColor( LAYER_DEVICE_BACKGROUND ) );
+        aPlotter->PlotPoly( cornerList, FILLED_WITH_BG_BODYCOLOR, 0 );
+    }
+
+    bool already_filled = m_Fill == FILLED_WITH_BG_BODYCOLOR;
+    aPlotter->SetColor( GetLayerColor( LAYER_DEVICE ) );
+    aPlotter->PlotPoly( cornerList, already_filled ? NO_FILL : m_Fill, GetPenSize() );
+}
+
+
+void LIB_POLYLINE::AddPoint( const wxPoint& point )
+{
+    m_PolyPoints.push_back( point );
+}
+
+
+int LIB_POLYLINE::GetPenSize() const
+{
+    return ( m_Width == 0 ) ? GetDefaultLineThickness() : m_Width;
+}
+
+
+void LIB_POLYLINE::drawGraphic( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aOffset,
+                                EDA_COLOR_T aColor, GR_DRAWMODE aDrawMode, void* aData,
+                                const TRANSFORM& aTransform )
+{
+    wxPoint  pos1;
+    EDA_COLOR_T color = GetLayerColor( LAYER_DEVICE );
+    wxPoint* buffer = NULL;
+
+    if( aColor < 0 )                // Used normal color or selected color
+    {
+        if( IsSelected() )
+            color = GetItemSelectedColor();
+    }
+    else
+    {
+        color = aColor;
+    }
+
+    buffer = new wxPoint[ m_PolyPoints.size() ];
+
+    for( unsigned ii = 0; ii < m_PolyPoints.size(); ii++ )
+    {
+        buffer[ii] = aTransform.TransformCoordinate( m_PolyPoints[ii] ) + aOffset;
+    }
+
+    FILL_T fill = aData ? NO_FILL : m_Fill;
+
+    if( aColor >= 0 )
+        fill = NO_FILL;
+
+    GRSetDrawMode( aDC, aDrawMode );
+
+    EDA_RECT* const clipbox  = aPanel? aPanel->GetClipBox() : NULL;
+    if( fill == FILLED_WITH_BG_BODYCOLOR )
+        GRPoly( clipbox, aDC, m_PolyPoints.size(), buffer, 1, GetPenSize(),
+                (m_Flags & IS_MOVED) ? color : GetLayerColor( LAYER_DEVICE_BACKGROUND ),
+                GetLayerColor( LAYER_DEVICE_BACKGROUND ) );
+    else if( fill == FILLED_SHAPE  )
+        GRPoly( clipbox, aDC, m_PolyPoints.size(), buffer, 1, GetPenSize(),
+                color, color );
+    else
+        GRPoly( clipbox, aDC, m_PolyPoints.size(), buffer, 0, GetPenSize(),
+                color, color );
+
+    delete[] buffer;
+
+    /* Set to one (1) to draw bounding box around polyline to validate
+     * bounding box calculation. */
+#if 0
+    EDA_RECT bBox = GetBoundingBox();
+    bBox.RevertYAxis();
+    bBox = aTransform.TransformCoordinate( bBox );
+    bBox.Move( aOffset );
+    GRRect( clipbox, aDC, bBox, 0, LIGHTMAGENTA );
+#endif
+}
+
+
+bool LIB_POLYLINE::HitTest( const wxPoint& aPosition ) const
+{
+    int mindist = GetPenSize() / 2;
+
+    // Have a minimal tolerance for hit test
+    if( mindist < MINIMUM_SELECTION_DISTANCE )
+        mindist = MINIMUM_SELECTION_DISTANCE;
+
+    return HitTest( aPosition, mindist, DefaultTransform );
+}
+
+
+bool LIB_POLYLINE::HitTest( const wxPoint &aPosition, int aThreshold, const TRANSFORM& aTransform ) const
+{
+    wxPoint start, end;
+
+    if( aThreshold < 0 )
+        aThreshold = GetPenSize() / 2;
+
+    for( unsigned ii = 1; ii < GetCornerCount(); ii++ )
+    {
+        start = aTransform.TransformCoordinate( m_PolyPoints[ii - 1] );
+        end   = aTransform.TransformCoordinate( m_PolyPoints[ii] );
+
+        if( TestSegmentHit( aPosition, start, end, aThreshold ) )
+            return true;
+    }
+
+    return false;
+}
+
+
+const EDA_RECT LIB_POLYLINE::GetBoundingBox() const
+{
+    EDA_RECT rect;
+    int      xmin, xmax, ymin, ymax;
+
+    xmin = xmax = m_PolyPoints[0].x;
+    ymin = ymax = m_PolyPoints[0].y;
+
+    for( unsigned ii = 1; ii < GetCornerCount(); ii++ )
+    {
+        xmin = std::min( xmin, m_PolyPoints[ii].x );
+        xmax = std::max( xmax, m_PolyPoints[ii].x );
+        ymin = std::min( ymin, m_PolyPoints[ii].y );
+        ymax = std::max( ymax, m_PolyPoints[ii].y );
+    }
+
+    rect.SetOrigin( xmin, ymin );
+    rect.SetEnd( xmax, ymax );
+    rect.Inflate( ( GetPenSize()+1 ) / 2 );
+
+    rect.RevertYAxis();
+
+    return rect;
+}
+
+
+void LIB_POLYLINE::DeleteSegment( const wxPoint aPosition )
+{
+    // First segment is kept, only its end point is changed
+    while( GetCornerCount() > 2 )
+    {
+        m_PolyPoints.pop_back();
+
+        if( m_PolyPoints[ GetCornerCount() - 1 ] != aPosition )
+        {
+            m_PolyPoints[ GetCornerCount() - 1 ] = aPosition;
+            break;
+        }
+    }
+}
+
+
+void LIB_POLYLINE::GetMsgPanelInfo( MSG_PANEL_ITEMS& aList )
+{
+    wxString msg;
+    EDA_RECT bBox = GetBoundingBox();
+
+    LIB_ITEM::GetMsgPanelInfo( aList );
+
+    msg = StringFromValue( g_UserUnit, m_Width, true );
+
+    aList.push_back( MSG_PANEL_ITEM( _( "Line Width" ), msg, BLUE ) );
+
+    msg.Printf( wxT( "(%d, %d, %d, %d)" ), bBox.GetOrigin().x,
+                bBox.GetOrigin().y, bBox.GetEnd().x, bBox.GetEnd().y );
+
+    aList.push_back( MSG_PANEL_ITEM( _( "Bounding Box" ), msg, BROWN ) );
+}
+
+
+wxString LIB_POLYLINE::GetSelectMenuText() const
+{
+    return wxString::Format( _( "Polyline at (%s, %s) with %d points" ),
+                             GetChars( CoordinateToString( m_PolyPoints[0].x ) ),
+                             GetChars( CoordinateToString( m_PolyPoints[0].y ) ),
+                             int( m_PolyPoints.size() ) );
+}
+
+
+void LIB_POLYLINE::BeginEdit( STATUS_FLAGS aEditMode, const wxPoint aPosition )
+{
+    wxCHECK_RET( ( aEditMode & ( IS_NEW | IS_MOVED | IS_RESIZED ) ) != 0,
+                 wxT( "Invalid edit mode for LIB_POLYLINE object." ) );
+
+    if( aEditMode == IS_NEW )
+    {
+        m_PolyPoints.push_back( aPosition );    // Start point of first segment.
+        m_PolyPoints.push_back( aPosition );    // End point of first segment.
+    }
+    else if( aEditMode == IS_RESIZED )
+    {
+        // Drag one edge point of the polyline
+        // Find the nearest edge point to be dragged
+        wxPoint startPoint = m_PolyPoints[0];
+
+        // Begin with the first list point as nearest point
+        int     index = 0;
+        m_ModifyIndex = 0;
+        m_initialPos  = startPoint;
+
+        // First distance is the current minimum distance
+        int     distanceMin = (aPosition - startPoint).x * (aPosition - startPoint).x
+                              + (aPosition - startPoint).y * (aPosition - startPoint).y;
+
+        wxPoint prevPoint = startPoint;
+
+        // Find the right index of the point to be dragged
+        BOOST_FOREACH( wxPoint point, m_PolyPoints )
+        {
+            int distancePoint = (aPosition - point).x * (aPosition - point).x +
+                                (aPosition - point).y * (aPosition - point).y;
+
+            if( distancePoint < distanceMin )
+            {
+                // Save point.
+                m_initialPos  = point;
+                m_ModifyIndex = index;
+                distanceMin   = distancePoint;
+            }
+
+            // check middle of an edge
+            wxPoint offset = ( aPosition + aPosition - point - prevPoint );
+            distancePoint = ( offset.x * offset.x + offset.y * offset.y ) / 4 + 1;
+
+            if( distancePoint < distanceMin )
+            {
+                // Save point.
+                m_initialPos  = point;
+                m_ModifyIndex = -index;  // negative indicates new vertex is to be inserted
+                distanceMin   = distancePoint;
+            }
+
+            prevPoint = point;
+            index++;
+        }
+
+        SetEraseLastDrawItem();
+    }
+    else if( aEditMode == IS_MOVED )
+    {
+        m_initialCursorPos = aPosition;
+        m_initialPos = m_PolyPoints[0];
+        SetEraseLastDrawItem();
+    }
+
+    m_Flags = aEditMode;
+}
+
+
+bool LIB_POLYLINE::ContinueEdit( const wxPoint aPosition )
+{
+    wxCHECK_MSG( ( m_Flags & ( IS_NEW | IS_MOVED | IS_RESIZED ) ) != 0, false,
+                wxT( "Bad call to ContinueEdit().  LIB_POLYLINE is not being edited." ) );
+
+    if( m_Flags == IS_NEW )
+    {
+        // do not add zero length segments
+        if( m_PolyPoints[m_PolyPoints.size() - 2] != m_PolyPoints.back() )
+            m_PolyPoints.push_back( aPosition );
+
+        return true;
+    }
+
+    return false;
+}
+
+
+void LIB_POLYLINE::EndEdit( const wxPoint& aPosition, bool aAbort )
+{
+    wxCHECK_RET( ( m_Flags & ( IS_NEW | IS_MOVED | IS_RESIZED ) ) != 0,
+                 wxT( "Bad call to EndEdit().  LIB_POLYLINE is not being edited." ) );
+
+    // do not include last point twice
+    if( m_Flags == IS_NEW && 2 < m_PolyPoints.size() )
+    {
+        if( m_PolyPoints[ m_PolyPoints.size() - 2 ] == m_PolyPoints.back() )
+            m_PolyPoints.pop_back();
+    }
+
+    if( (m_Flags == IS_RESIZED) && (m_PolyPoints.size() > 2) ) // do not delete last two points... keep it alive
+    {
+        if( ( m_ModifyIndex > 0 && m_PolyPoints[ m_ModifyIndex ] ==
+              m_PolyPoints[ m_ModifyIndex - 1 ] )
+          || ( m_ModifyIndex < (int) m_PolyPoints.size() - 1
+             && m_PolyPoints[ m_ModifyIndex ] == m_PolyPoints[ m_ModifyIndex + 1 ] ) )
+        {
+            m_PolyPoints.erase( m_PolyPoints.begin() + m_ModifyIndex ); // delete a point on this
+        }
+    }
+
+    m_Flags = 0;
+    SetEraseLastDrawItem( false );
+}
+
+
+void LIB_POLYLINE::calcEdit( const wxPoint& aPosition )
+{
+    if( m_Flags == IS_NEW )
+    {
+        m_PolyPoints[ GetCornerCount() - 1 ] = aPosition;
+        SetEraseLastDrawItem();
+    }
+    else if( m_Flags == IS_RESIZED )
+    {
+        if( m_ModifyIndex < 0 ) // negative indicates new vertex is to be inserted
+        {
+            m_ModifyIndex = -m_ModifyIndex;
+            m_PolyPoints.insert( m_PolyPoints.begin() + m_ModifyIndex, aPosition );
+        }
+
+        m_PolyPoints[ m_ModifyIndex ] = aPosition;
+    }
+    else if( m_Flags == IS_MOVED )
+    {
+        Move( m_initialPos + aPosition - m_initialCursorPos );
+    }
+}