void Route::DrawSegment( ocpnDC& dc, wxPoint *rp1, wxPoint *rp2, ViewPort &vp, bool bdraw_arrow )
{
if( m_bRtIsSelected ) dc.SetPen( *g_pRouteMan->GetSelectedRoutePen() );
else if( m_bRtIsActive ) dc.SetPen( *g_pRouteMan->GetActiveRoutePen() );
else
dc.SetPen( *g_pRouteMan->GetRoutePen() );
RenderSegment( dc, rp1->x, rp1->y, rp2->x, rp2->y, vp, bdraw_arrow );
}
void Route::Draw( ocpnDC& dc, ViewPort &VP )
{
if( m_nPoints == 0 ) return;
if( m_bVisible && m_bRtIsSelected ) {
dc.SetPen( *g_pRouteMan->GetSelectedRoutePen() );
dc.SetBrush( *g_pRouteMan->GetSelectedRouteBrush() );
}
else if ( m_bVisible )
{
int style = wxSOLID;
int width = g_route_line_width;
wxColour col;
if( m_style != STYLE_UNDEFINED ) style = m_style;
if( m_width != STYLE_UNDEFINED ) width = m_width;
if( m_Colour == wxEmptyString ) {
col = g_pRouteMan->GetRoutePen()->GetColour();
} else {
for( unsigned int i = 0; i < sizeof( ::GpxxColorNames ) / sizeof(wxString); i++ ) {
if( m_Colour == ::GpxxColorNames[i] ) {
col = ::GpxxColors[i];
break;
}
}
}
dc.SetPen( *wxThePenList->FindOrCreatePen( col, width, style ) );
dc.SetBrush( *wxTheBrushList->FindOrCreateBrush( col, wxSOLID ) );
}
if( m_bVisible && m_bRtIsActive )
{
dc.SetPen( *g_pRouteMan->GetActiveRoutePen() );
dc.SetBrush( *g_pRouteMan->GetActiveRouteBrush() );
}
wxPoint rpt1, rpt2;
if ( m_bVisible )
DrawPointWhich( dc, 1, &rpt1 );
wxRoutePointListNode *node = pRoutePointList->GetFirst();
RoutePoint *prp1 = node->GetData();
node = node->GetNext();
if ( !m_bVisible && prp1->m_bKeepXRoute )
prp1->Draw( dc );
while( node ) {
RoutePoint *prp2 = node->GetData();
if ( !m_bVisible && prp2->m_bKeepXRoute )
prp2->Draw( dc );
else if (m_bVisible)
prp2->Draw( dc, &rpt2 );
if ( m_bVisible )
{
// Handle offscreen points
bool b_2_on = VP.GetBBox().PointInBox( prp2->m_lon, prp2->m_lat, 0 );
bool b_1_on = VP.GetBBox().PointInBox( prp1->m_lon, prp1->m_lat, 0 );
//TODO This logic could be simpliifed
//Simple case
if( b_1_on && b_2_on ) RenderSegment( dc, rpt1.x, rpt1.y, rpt2.x, rpt2.y, VP, true ); // with arrows
// In the cases where one point is on, and one off
// we must decide which way to go in longitude
// Arbitrarily, we will go the shortest way
double pix_full_circle = WGS84_semimajor_axis_meters * mercator_k0 * 2 * PI
* VP.view_scale_ppm;
double dp = pow( (double) ( rpt1.x - rpt2.x ), 2 ) + pow( (double) ( rpt1.y - rpt2.y ), 2 );
double dtest;
int adder;
if( b_1_on && !b_2_on ) {
if( rpt2.x < rpt1.x ) adder = (int) pix_full_circle;
else
adder = -(int) pix_full_circle;
dtest = pow( (double) ( rpt1.x - ( rpt2.x + adder ) ), 2 )
+ pow( (double) ( rpt1.y - rpt2.y ), 2 );
if( dp < dtest ) adder = 0;
RenderSegment( dc, rpt1.x, rpt1.y, rpt2.x + adder, rpt2.y, VP, true );
} else
if( !b_1_on && b_2_on ) {
if( rpt1.x < rpt2.x ) adder = (int) pix_full_circle;
else
adder = -(int) pix_full_circle;
dtest = pow( (double) ( rpt2.x - ( rpt1.x + adder ) ), 2 )
+ pow( (double) ( rpt1.y - rpt2.y ), 2 );
if( dp < dtest ) adder = 0;
RenderSegment( dc, rpt1.x + adder, rpt1.y, rpt2.x, rpt2.y, VP, true );
}
//Both off, need to check shortest distance
else
if( !b_1_on && !b_2_on ) {
if( rpt1.x < rpt2.x ) adder = (int) pix_full_circle;
else
adder = -(int) pix_full_circle;
dtest = pow( (double) ( rpt2.x - ( rpt1.x + adder ) ), 2 )
+ pow( (double) ( rpt1.y - rpt2.y ), 2 );
if( dp < dtest ) adder = 0;
RenderSegment( dc, rpt1.x + adder, rpt1.y, rpt2.x, rpt2.y, VP, true );
}
}
rpt1 = rpt2;
prp1 = prp2;
node = node->GetNext();
}
}
void Route::Draw( ocpnDC& dc, ViewPort &vp, const LLBBox &box )
{
if( pRoutePointList->empty() )
return;
LLBBox test_box = GetBBox();
if( box.IntersectOut( test_box ) ) // Route is wholly outside window
return;
int width = g_route_line_width;
if( m_width != WIDTH_UNDEFINED ) width = m_width;
if( m_bVisible && m_bRtIsSelected ) {
wxPen spen = *g_pRouteMan->GetSelectedRoutePen();
spen.SetWidth( width );
dc.SetPen( spen );
dc.SetBrush( *g_pRouteMan->GetSelectedRouteBrush() );
}
else if ( m_bVisible )
{
wxPenStyle style = wxPENSTYLE_SOLID;
wxColour col;
if( m_style != wxPENSTYLE_INVALID ) style = m_style;
if( m_Colour == wxEmptyString ) {
col = g_pRouteMan->GetRoutePen()->GetColour();
} else {
for( unsigned int i = 0; i < sizeof( ::GpxxColorNames ) / sizeof(wxString); i++ ) {
if( m_Colour == ::GpxxColorNames[i] ) {
col = ::GpxxColors[i];
break;
}
}
}
dc.SetPen( *wxThePenList->FindOrCreatePen( col, width, style ) );
dc.SetBrush( *wxTheBrushList->FindOrCreateBrush( col, wxBRUSHSTYLE_SOLID ) );
}
if( m_bVisible && m_bRtIsActive )
{
wxPen spen = *g_pRouteMan->GetActiveRoutePen();
spen.SetWidth( width );
dc.SetPen( spen );
dc.SetBrush( *g_pRouteMan->GetActiveRouteBrush() );
}
wxPoint rpt1, rpt2;
if ( m_bVisible )
DrawPointWhich( dc, 1, &rpt1 );
wxRoutePointListNode *node = pRoutePointList->GetFirst();
RoutePoint *prp1 = node->GetData();
node = node->GetNext();
if ( !m_bVisible && prp1->m_bKeepXRoute )
prp1->Draw( dc );
while( node ) {
RoutePoint *prp2 = node->GetData();
if ( !m_bVisible && prp2->m_bKeepXRoute )
prp2->Draw( dc );
else if (m_bVisible)
prp2->Draw( dc, &rpt2 );
if ( m_bVisible )
{
// Handle offscreen points
bool b_2_on = vp.GetBBox().Contains( prp2->m_lat, prp2->m_lon );
bool b_1_on = vp.GetBBox().Contains( prp1->m_lat, prp1->m_lon );
//Simple case
if( b_1_on && b_2_on ) RenderSegment( dc, rpt1.x, rpt1.y, rpt2.x, rpt2.y, vp, true, m_hiliteWidth ); // with arrows
// In the cases where one point is on, and one off
// we must decide which way to go in longitude
// Arbitrarily, we will go the shortest way
double pix_full_circle = WGS84_semimajor_axis_meters * mercator_k0 * 2 * PI
* vp.view_scale_ppm;
double dp = pow( (double) ( rpt1.x - rpt2.x ), 2 ) + pow( (double) ( rpt1.y - rpt2.y ), 2 );
double dtest;
int adder;
if( b_1_on && !b_2_on ) {
if( rpt2.x < rpt1.x ) adder = (int) pix_full_circle;
else
adder = -(int) pix_full_circle;
dtest = pow( (double) ( rpt1.x - ( rpt2.x + adder ) ), 2 )
+ pow( (double) ( rpt1.y - rpt2.y ), 2 );
if( dp < dtest ) adder = 0;
RenderSegment( dc, rpt1.x, rpt1.y, rpt2.x + adder, rpt2.y, vp, true, m_hiliteWidth );
} else if( !b_1_on ) {
if( rpt1.x < rpt2.x ) adder = (int) pix_full_circle;
else
adder = -(int) pix_full_circle;
float rxd = rpt2.x - ( rpt1.x + adder );
float ryd = rpt1.y - rpt2.y;
dtest = rxd*rxd + ryd*ryd;
if( dp < dtest ) adder = 0;
RenderSegment( dc, rpt1.x + adder, rpt1.y, rpt2.x, rpt2.y, vp, true, m_hiliteWidth );
}
}
rpt1 = rpt2;
prp1 = prp2;
node = node->GetNext();
}
}