void Track::Draw( ocpnDC& dc, ViewPort &VP, const LLBBox &box )
{
std::list< std::list<wxPoint> > pointlists;
GetPointLists(pointlists, VP, box);
if(!pointlists.size())
return;
unsigned short int FromSegNo = 1;
// Establish basic colour
wxColour basic_colour;
if( IsRunning() )
basic_colour = GetGlobalColor( _T ( "URED" ) );
else
basic_colour = GetDimColor(g_colourTrackLineColour);
wxPenStyle style = wxPENSTYLE_SOLID;
int width = g_pRouteMan->GetTrackPen()->GetWidth();
wxColour col;
if( m_style != wxPENSTYLE_INVALID )
style = m_style;
if( m_width != WIDTH_UNDEFINED )
width = m_width;
if( m_Colour == wxEmptyString ) {
col = basic_colour;
} else {
for( unsigned int i = 0; i < sizeof( ::GpxxColorNames ) / sizeof(wxString); i++ ) {
if( m_Colour == ::GpxxColorNames[i] ) {
col = ::GpxxColors[i];
break;
}
}
}
double radius = 0.;
if( g_bHighliteTracks ) {
double radius_meters = 20; //Current_Ch->GetNativeScale() * .0015; // 1.5 mm at original scale
radius = radius_meters * VP.view_scale_ppm;
if(radius < 1.0)
radius = 0;
}
if( dc.GetDC() || radius ) {
dc.SetPen( *wxThePenList->FindOrCreatePen( col, width, style ) );
dc.SetBrush( *wxTheBrushList->FindOrCreateBrush( col, wxBRUSHSTYLE_SOLID ) );
for(std::list< std::list<wxPoint> >::iterator lines = pointlists.begin();
lines != pointlists.end(); lines++) {
// convert from linked list to array
wxPoint *points = new wxPoint[lines->size()];
int i = 0;
for(std::list<wxPoint>::iterator line = lines->begin();
line != lines->end(); line++) {
points[i] = *line;
i++;
}
int hilite_width = radius;
if( hilite_width ) {
wxPen psave = dc.GetPen();
dc.StrokeLines( i, points );
wxColor trackLine_dim_colour = GetDimColor(g_colourTrackLineColour);
wxColour hilt( trackLine_dim_colour.Red(), trackLine_dim_colour.Green(), trackLine_dim_colour.Blue(), 128 );
wxPen HiPen( hilt, hilite_width, wxPENSTYLE_SOLID );
dc.SetPen( HiPen );
dc.StrokeLines( i, points );
dc.SetPen( psave );
} else
dc.StrokeLines( i, points );
delete [] points;
}
}
#ifdef ocpnUSE_GL
else { // opengl version
glColor3ub(col.Red(), col.Green(), col.Blue());
glLineWidth( wxMax( g_GLMinSymbolLineWidth, width ) );
if( g_GLOptions.m_GLLineSmoothing )
glEnable( GL_LINE_SMOOTH );
glEnable( GL_BLEND );
int size = 0;
// convert from linked list to array, allocate array just once
for(std::list< std::list<wxPoint> >::iterator lines = pointlists.begin();
lines != pointlists.end(); lines++)
size = wxMax(size, lines->size());
int *points = new int[2*size];
glVertexPointer(2, GL_INT, 0, points);
glEnableClientState(GL_VERTEX_ARRAY);
for(std::list< std::list<wxPoint> >::iterator lines = pointlists.begin();
lines != pointlists.end(); lines++) {
// convert from linked list to array
int i = 0;
for(std::list<wxPoint>::iterator line = lines->begin();
line != lines->end(); line++) {
points[i+0] = line->x;
points[i+1] = line->y;
i+=2;
}
glDrawArrays(GL_LINE_STRIP, 0, i >> 1);
}
glDisableClientState(GL_VERTEX_ARRAY);
delete [] points;
glDisable( GL_LINE_SMOOTH );
glDisable( GL_BLEND );
}
#endif
if(m_HighlightedTrackPoint >= 0)
TrackPoints[m_HighlightedTrackPoint]->Draw(dc);
}
void RoutePoint::DrawGL( ViewPort &vp, ChartCanvas *canvas, bool use_cached_screen_coords )
{
// if( !m_bIsVisible )
// return;
// if( !m_bIsActive) // An active route point must always be visible
// if( !IsScaVisible( canvas) )
// return; ;
if ( !IsVisibleSelectable(canvas) ) return;
// Optimization, especially apparent on tracks in normal cases
if( m_IconName == _T("empty") && !m_bShowName && !m_bPtIsSelected ) return;
if(m_wpBBox.GetValid() &&
vp.view_scale_ppm == m_wpBBox_view_scale_ppm &&
vp.rotation == m_wpBBox_rotation) {
/* see if this waypoint can intersect with bounding box */
LLBBox vpBBox = vp.GetBBox();
if( vpBBox.IntersectOut( m_wpBBox ) ){
// Are Range Rings enabled?
if(m_bShowWaypointRangeRings && (m_iWaypointRangeRingsNumber > 0)){
double factor = 1.00;
if( m_iWaypointRangeRingsStepUnits == 1 ) // convert kilometers to NMi
factor = 1 / 1.852;
double radius = factor * m_iWaypointRangeRingsNumber * m_fWaypointRangeRingsStep / 60.;
LLBBox radar_box = m_wpBBox;
radar_box.EnLarge(radius * 2 );
if( vpBBox.IntersectOut( radar_box ) ){
return;
}
}
else
return;
}
}
wxPoint r;
wxRect hilitebox;
unsigned char transparency = 150;
if(use_cached_screen_coords && m_pos_on_screen)
r.x = m_screen_pos.m_x, r.y = m_screen_pos.m_y;
else
canvas->GetCanvasPointPix( m_lat, m_lon, &r );
if(r.x == INVALID_COORD)
return;
// Substitute icon?
wxBitmap *pbm;
if( ( m_bIsActive ) && ( m_IconName != _T("mob") ) )
pbm = pWayPointMan->GetIconBitmap( _T ( "activepoint" ) );
else
pbm = m_pbmIcon;
// If icon is corrupt, there is really nothing else to do...
if(!pbm->IsOk())
return;
int sx2 = pbm->GetWidth() / 2;
int sy2 = pbm->GetHeight() / 2;
// Calculate the mark drawing extents
wxRect r1( r.x - sx2, r.y - sy2, sx2 * 2, sy2 * 2 ); // the bitmap extents
wxRect r3 = r1;
if( m_bShowName ) {
if( !m_pMarkFont ) {
m_pMarkFont = FontMgr::Get().GetFont( _( "Marks" ) );
m_FontColor = FontMgr::Get().GetFontColor( _( "Marks" ) );
CalculateNameExtents();
}
if( m_pMarkFont ) {
wxRect r2( r.x + m_NameLocationOffsetX, r.y + m_NameLocationOffsetY,
m_NameExtents.x, m_NameExtents.y );
r3.Union( r2 );
}
}
hilitebox = r3;
hilitebox.x -= r.x;
hilitebox.y -= r.y;
if(!m_bPreScaled){
hilitebox.x *= g_ChartScaleFactorExp;
hilitebox.y *= g_ChartScaleFactorExp;
hilitebox.width *= g_ChartScaleFactorExp;
hilitebox.height *= g_ChartScaleFactorExp;
}
float radius;
if( g_btouch ){
hilitebox.Inflate( 20 );
radius = 20.0f;
}
else{
hilitebox.Inflate( 4 );
radius = 4.0f;
}
/* update bounding box */
if(!m_wpBBox.GetValid() || vp.view_scale_ppm != m_wpBBox_view_scale_ppm || vp.rotation != m_wpBBox_rotation) {
double lat1, lon1, lat2, lon2;
canvas->GetCanvasPixPoint(r.x+hilitebox.x, r.y+hilitebox.y+hilitebox.height, lat1, lon1);
canvas->GetCanvasPixPoint(r.x+hilitebox.x+hilitebox.width, r.y+hilitebox.y, lat2, lon2);
if(lon1 > lon2)
m_wpBBox.Set(lat1, lon1, lat2, lon2+360);
else
m_wpBBox.Set(lat1, lon1, lat2, lon2);
m_wpBBox_view_scale_ppm = vp.view_scale_ppm;
m_wpBBox_rotation = vp.rotation;
}
// if(region.Contains(r3) == wxOutRegion)
// return;
ocpnDC dc;
// Highlite any selected point
if( m_bPtIsSelected ) {
wxColour hi_colour;
if( m_bBlink ){
wxPen *pen = g_pRouteMan->GetActiveRoutePointPen();
hi_colour = pen->GetColour();
}
else{
hi_colour = GetGlobalColor( _T ( "YELO1" ) );
}
AlphaBlending( dc, r.x + hilitebox.x, r.y + hilitebox.y, hilitebox.width, hilitebox.height, radius,
hi_colour, transparency );
}
bool bDrawHL = false;
if( m_bBlink && ( gFrame->nBlinkerTick & 1 ) ) bDrawHL = true;
if( ( !bDrawHL ) && ( NULL != m_pbmIcon ) ) {
int glw, glh;
unsigned int IconTexture = pWayPointMan->GetIconTexture( pbm, glw, glh );
glBindTexture(GL_TEXTURE_2D, IconTexture);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glColor3f(1, 1, 1);
int x = r1.x, y = r1.y, w = r1.width, h = r1.height;
float scale = 1.0;
if(!m_bPreScaled){
scale = g_ChartScaleFactorExp;
}
float ws = r1.width * scale;
float hs = r1.height * scale;
float xs = r.x - ws/2.;
float ys = r.y - hs/2.;
float u = (float)w/glw, v = (float)h/glh;
glBegin(GL_QUADS);
glTexCoord2f(0, 0); glVertex2f(xs, ys);
glTexCoord2f(u, 0); glVertex2f(xs+ws, ys);
glTexCoord2f(u, v); glVertex2f(xs+ws, ys+hs);
glTexCoord2f(0, v); glVertex2f(xs, ys+hs);
glEnd();
// glBegin(GL_QUADS);
// glTexCoord2f(0, 0); glVertex2f(x, y);
// glTexCoord2f(u, 0); glVertex2f(x+w, y);
// glTexCoord2f(u, v); glVertex2f(x+w, y+h);
// glTexCoord2f(0, v); glVertex2f(x, y+h);
// glEnd();
glDisable(GL_BLEND);
glDisable(GL_TEXTURE_2D);
}
if( m_bShowName && m_pMarkFont ) {
int w = m_NameExtents.x, h = m_NameExtents.y;
if(!m_iTextTexture && w && h) {
wxBitmap tbm(w, h); /* render text on dc */
wxMemoryDC dc;
dc.SelectObject( tbm );
dc.SetBackground( wxBrush( *wxBLACK ) );
dc.Clear();
dc.SetFont( *m_pMarkFont );
dc.SetTextForeground( *wxWHITE );
dc.DrawText( m_MarkName, 0, 0);
dc.SelectObject( wxNullBitmap );
/* make alpha texture for text */
wxImage image = tbm.ConvertToImage();
unsigned char *d = image.GetData();
unsigned char *e = new unsigned char[w * h];
if(d && e){
for( int p = 0; p < w*h; p++)
e[p] = d[3*p + 0];
}
/* create texture for rendered text */
glGenTextures(1, &m_iTextTexture);
glBindTexture(GL_TEXTURE_2D, m_iTextTexture);
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
m_iTextTextureWidth = NextPow2(w);
m_iTextTextureHeight = NextPow2(h);
glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, m_iTextTextureWidth, m_iTextTextureHeight,
0, GL_ALPHA, GL_UNSIGNED_BYTE, NULL);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, w, h,
GL_ALPHA, GL_UNSIGNED_BYTE, e);
delete [] e;
}
if(m_iTextTexture) {
/* draw texture with text */
glBindTexture(GL_TEXTURE_2D, m_iTextTexture);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glColor3ub(m_FontColor.Red(), m_FontColor.Green(), m_FontColor.Blue());
int x = r.x + m_NameLocationOffsetX, y = r.y + m_NameLocationOffsetY;
float u = (float)w/m_iTextTextureWidth, v = (float)h/m_iTextTextureHeight;
glBegin(GL_QUADS);
glTexCoord2f(0, 0); glVertex2f(x, y);
glTexCoord2f(u, 0); glVertex2f(x+w, y);
glTexCoord2f(u, v); glVertex2f(x+w, y+h);
glTexCoord2f(0, v); glVertex2f(x, y+h);
glEnd();
glDisable(GL_BLEND);
glDisable(GL_TEXTURE_2D);
}
}
// Draw waypoint radar rings if activated
if( m_iWaypointRangeRingsNumber && m_bShowWaypointRangeRings ) {
double factor = 1.00;
if( m_iWaypointRangeRingsStepUnits == 1 ) // nautical miles
factor = 1 / 1.852;
factor *= m_fWaypointRangeRingsStep;
double tlat, tlon;
wxPoint r1;
ll_gc_ll( m_lat, m_lon, 0, factor, &tlat, &tlon );
canvas->GetCanvasPointPix( tlat, tlon, &r1 );
double lpp = sqrt( pow( (double) (r.x - r1.x), 2) +
pow( (double) (r.y - r1.y), 2 ) );
int pix_radius = (int) lpp;
extern wxColor GetDimColor(wxColor c);
wxColor ring_dim_color = GetDimColor(m_wxcWaypointRangeRingsColour);
double platform_pen_width = wxRound(wxMax(1.0, g_Platform->GetDisplayDPmm() / 2)); // 0.5 mm nominal, but not less than 1 pixel
wxPen ppPen1( ring_dim_color, platform_pen_width );
wxBrush saveBrush = dc.GetBrush();
wxPen savePen = dc.GetPen();
dc.SetPen( ppPen1 );
dc.SetBrush( wxBrush( ring_dim_color, wxBRUSHSTYLE_TRANSPARENT ) );
for( int i = 1; i <= m_iWaypointRangeRingsNumber; i++ )
dc.StrokeCircle( r.x, r.y, i * pix_radius );
dc.SetPen( savePen );
dc.SetBrush( saveBrush );
}
// Render Drag handle if enabled
if(m_bDrawDragHandle){
// A line, southeast, scaled to the size of the icon
double platform_pen_width = wxRound(wxMax(1.0, g_Platform->GetDisplayDPmm() / 2)); // 0.5 mm nominal, but not less than 1 pixel
wxColor dh_color = wxColor(0,0,0);
wxPen ppPen1( dh_color, 3 * platform_pen_width );
dc.SetPen( ppPen1 );
dc.DrawLine(r.x + hilitebox.width/4, r.y + hilitebox.height/4, r.x + m_drag_line_length_man, r.y + m_drag_line_length_man);
dh_color = GetGlobalColor( _T ( "YELO1" ) );
wxPen ppPen2( dh_color, platform_pen_width );
dc.SetPen( ppPen2 );
dc.DrawLine(r.x + hilitebox.width/4, r.y + hilitebox.height/4, r.x + m_drag_line_length_man, r.y + m_drag_line_length_man);
// The drag handle
glBindTexture(GL_TEXTURE_2D, m_dragIconTexture);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glTexEnvi( GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE );
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glColor3f(1, 1, 1);
int x = r.x + m_drag_icon_offset, y = r.y + m_drag_icon_offset, w = m_dragIcon.GetWidth(), h = m_dragIcon.GetHeight();
float scale = 1.0;
float ws = w * scale;
float hs = h * scale;
float xs = x - ws/2.;
float ys = y - hs/2.;
float u = (float)w/m_dragIconTextureWidth, v = (float)h/m_dragIconTextureWidth;
glBegin(GL_QUADS);
glTexCoord2f(0, 0); glVertex2f(xs, ys);
glTexCoord2f(u, 0); glVertex2f(xs+ws, ys);
glTexCoord2f(u, v); glVertex2f(xs+ws, ys+hs);
glTexCoord2f(0, v); glVertex2f(xs, ys+hs);
glEnd();
glDisable(GL_BLEND);
glDisable(GL_TEXTURE_2D);
}
if( m_bBlink ) g_blink_rect = CurrentRect_in_DC; // also save for global blinker
// This will be useful for fast icon redraws
CurrentRect_in_DC.x = r.x + hilitebox.x;
CurrentRect_in_DC.y = r.y + hilitebox.y;
CurrentRect_in_DC.width = hilitebox.width;
CurrentRect_in_DC.height = hilitebox.height;
if( m_bBlink ) g_blink_rect = CurrentRect_in_DC; // also save for global blinker
}
