• 设为首页
  • 点击收藏
  • 手机版
    手机扫一扫访问
    迪恩网络手机版
  • 关注官方公众号
    微信扫一扫关注
    迪恩网络公众号

C++ ViewPort类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中ViewPort的典型用法代码示例。如果您正苦于以下问题:C++ ViewPort类的具体用法?C++ ViewPort怎么用?C++ ViewPort使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



在下文中一共展示了ViewPort类的13个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: CreatePlugInViewport

PlugIn_ViewPort CreatePlugInViewport( const ViewPort &vp)
{
      //    Create a PlugIn Viewport
      ViewPort tvp = vp;
      PlugIn_ViewPort pivp;

      pivp.clat =                   tvp.clat;                   // center point
      pivp.clon =                   tvp.clon;
      pivp.view_scale_ppm =         tvp.view_scale_ppm;
      pivp.skew =                   tvp.skew;
      pivp.rotation =               tvp.rotation;
      pivp.chart_scale =            tvp.chart_scale;
      pivp.pix_width =              tvp.pix_width;
      pivp.pix_height =             tvp.pix_height;
      pivp.rv_rect =                tvp.rv_rect;
      pivp.b_quilt =                tvp.b_quilt;
      pivp.m_projection_type =      tvp.m_projection_type;

      pivp.lat_min =                tvp.GetBBox().GetMinY();
      pivp.lat_max =                tvp.GetBBox().GetMaxY();
      pivp.lon_min =                tvp.GetBBox().GetMinX();
      pivp.lon_max =                tvp.GetBBox().GetMaxX();

      pivp.bValid =                 tvp.IsValid();                 // This VP is valid

      return pivp;
}
开发者ID:biiont,项目名称:OpenCPN,代码行数:27,代码来源:pluginmanager.cpp


示例2: initializeViewPort

void AppDelegate::initializeViewPort(CCSize viewSize, float scaleFactor)
{
    // Divide by the scale factor so that the view port remains the same for retina devices (converts to points)
    viewSize.width /= scaleFactor;
    viewSize.height /= scaleFactor;
    
    ViewPort* viewPort = ViewPort::getInstance();
    viewPort->initialize(viewSize);
}
开发者ID:diorsman,项目名称:Nextpeer-UFORUN,代码行数:9,代码来源:AppDelegate.cpp


示例3: init

void Frustum::init(Window * p, Camera * c)
{
	ViewPort vp = p->getViewPort(ViewPortMain);
	vp.getFrustum(nearp,farp,angle);
	this->camera = c;

	float tang = float(tan(M_PI * angle / 360.f));
	float ratio = float(p->width) / p->height;
	nh = nearp * tang;
	nw = nh * ratio; 
	fh = farp  * tang;
	fw = fh * ratio;
}
开发者ID:priyananda,项目名称:student,代码行数:13,代码来源:Frustum.cpp


示例4: update

void ParallaxBackground::update(const ViewPort& viewPort) {
    for (auto& l : layers_) {
        auto& vpp = viewPort.getPosition();
        l.sprite->setPosition(Vector2Glf(vpp(0) + (l.offset(0)-vpp(0))*l.parallaxRatio,
                                         vpp(1) + (l.offset(1)-vpp(1))*l.parallaxRatio));
    }
}
开发者ID:LehdaRi,项目名称:GameJam2016,代码行数:7,代码来源:ParallaxBackground.cpp


示例5: DrawGL

void Route::DrawGL( ViewPort &vp )
{
#ifdef ocpnUSE_GL
    if( pRoutePointList->empty() || !m_bVisible ) return;

    if(!vp.GetBBox().IntersectOut(GetBBox()))
        DrawGLRouteLines(vp);

    /*  Route points  */
    for(wxRoutePointListNode *node = pRoutePointList->GetFirst(); node; node = node->GetNext()) {
        RoutePoint *prp = node->GetData();
        if ( !m_bVisible && prp->m_bKeepXRoute )
            prp->DrawGL( vp );
        else if (m_bVisible)
            prp->DrawGL( vp );
    }
#endif
}
开发者ID:CarCode,项目名称:Cocoa-OCPN,代码行数:18,代码来源:Route.cpp


示例6: GetViewPort

	//! update viewports sizes
	void ShootEditor::UpdateViewPortsSizes()
	{
		if(EditorSettings::Instance()->WindowSize == EditorSettings::WS_Stretch)
		{
			ViewPort* pViewPort = GetViewPort();
			pViewPort->SetPosition(wxPoint(0, 0));
			pViewPort->SetSize(GetTabContainer()->GetViewPortContainer()->GetSize());					
		}
		else
		{
			Size size = EditorSettings::WindowSizes[EditorSettings::Instance()->WindowSize];
			ViewPort* pViewPort = GetViewPort();
			wxSize viewPortSize = pViewPort->GetSize();
			wxPoint center = wxPoint((viewPortSize.x - size.Width)/2, (viewPortSize.y - size.Height)/2);
			pViewPort->SetPosition(center);
			pViewPort->SetSize(wxSize(size.Width, size.Height));			
		}
	}
开发者ID:aminere,项目名称:VLADHeavyStrikePublic,代码行数:19,代码来源:ShootEditor.cpp


示例7: DrawGL

void RoutePoint::DrawGL( ViewPort &vp, bool use_cached_screen_coords )
{
    if( !m_bIsVisible )
        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;
    double platform_pen_width = wxRound(wxMax(1.0, g_Platform->GetDisplayDPmm() / 2));             // 0.5 mm nominal, but not less than 1 pixel
    
    if(use_cached_screen_coords && m_pos_on_screen)
        r.x = m_screen_pos.m_x, r.y = m_screen_pos.m_y;
    else
        cc1->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;
    
    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) {
//.........这里部分代码省略.........
开发者ID:NicolasJourden,项目名称:OpenCPN,代码行数:101,代码来源:RoutePoint.cpp


示例8: Draw

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
//.........这里部分代码省略.........
开发者ID:kheyse,项目名称:OpenCPN,代码行数:101,代码来源:Route.cpp


示例9: DrawGLLines

void Route::DrawGLLines( ViewPort &vp, ocpnDC *dc )
{
#ifdef ocpnUSE_GL
    float pix_full_circle = WGS84_semimajor_axis_meters * mercator_k0 * 2 * PI * vp.view_scale_ppm;

    bool r1valid = false;
    wxPoint2DDouble r1;
    wxPoint2DDouble lastpoint;

    wxRoutePointListNode *node = pRoutePointList->GetFirst();
    RoutePoint *prp2 = node->GetData();
    cc1->GetDoubleCanvasPointPix( prp2->m_lat, prp2->m_lon, &lastpoint);

    if(GetnPoints() == 1 && dc) { // single point.. make sure it shows up for highlighting
        cc1->GetDoubleCanvasPointPix( prp2->m_lat, prp2->m_lon, &r1);
        dc->DrawLine(r1.m_x, r1.m_y, r1.m_x+2, r1.m_y+2);
        return;
    }

    //    Handle offscreen points
    LLBBox bbox = vp.GetBBox();

    // dc is passed for thicker highlighted lines (performance not very important)
    if( !dc )
        glBegin(GL_LINES);

    for(node = node->GetNext(); node; node = node->GetNext()) {
        RoutePoint *prp1 = prp2;
        prp2 = node->GetData();

        // Provisional, to properly set status of last point in route
        prp2->m_pos_on_screen = false;

        {

            wxPoint2DDouble r2;
            cc1->GetDoubleCanvasPointPix( prp2->m_lat, prp2->m_lon, &r2);
            if(wxIsNaN(r2.m_x)) {
                r1valid = false;
                continue;
            }

            lastpoint = r2;             // For active track segment to ownship

            // don't need to perform calculations or render segment
            // if both points are past any edge of the vp
            // TODO: use these optimizations for dc mode
            bool lat1l = prp1->m_lat < bbox.GetMinLat(), lat2l = prp2->m_lat < bbox.GetMinLat();
            bool lat1r = prp1->m_lat > bbox.GetMaxLat(), lat2r = prp2->m_lat > bbox.GetMaxLat();
            if( (lat1l && lat2l) || (lat1r && lat2r) ) {
                r1valid = false;
                prp1->m_pos_on_screen = false;
                continue;
            }

            bool lon1l, lon1r, lon2l, lon2r;
            TestLongitude(prp1->m_lon, bbox.GetMinLon(), bbox.GetMaxLon(), lon1l, lon1r);
            TestLongitude(prp2->m_lon, bbox.GetMinLon(), bbox.GetMaxLon(), lon2l, lon2r);
            if( (lon1l && lon2l) || (lon1r && lon2r) ) {
                r1valid = false;
                prp1->m_pos_on_screen = false;
                continue;
            }

            if(!r1valid) {
                cc1->GetDoubleCanvasPointPix( prp1->m_lat, prp1->m_lon, &r1);
                if(wxIsNaN(r1.m_x))
                    continue;
            }

            //  we must decide which way to go in longitude
            //  for projections which wrap, in this case, we will render two lines
            //  (one may often be off screen which would be nice to fix but complicate things here
            //  anyway, in some cases both points are on screen, but the route wraps to either side
            //  so two lines are needed to draw this properly

            double adder = 0;
            if( (vp.m_projection_type == PROJECTION_MERCATOR ||
                    vp.m_projection_type == PROJECTION_EQUIRECTANGULAR) ) {
                float olon = vp.clon > 0 ? vp.clon - 180 : vp.clon + 180;

                if(prp1->m_lon < prp2->m_lon) {
                    if(prp2->m_lon - prp1->m_lon < 180) {
                        if(olon > prp1->m_lon && olon < prp2->m_lon)
                            adder = pix_full_circle;
                    } else if(olon < prp1->m_lon || olon > prp2->m_lon)
                        adder = -pix_full_circle;
                } else if(prp1->m_lon - prp2->m_lon < 180) {
                    if(olon < prp1->m_lon && olon > prp2->m_lon)
                        adder = -pix_full_circle;
                } else if(olon > prp1->m_lon || olon < prp2->m_lon)
                    adder = pix_full_circle;
            }

            if( dc )
                if(adder) {
                    float adderc = cos(vp.rotation)*adder, adders = sin(vp.rotation)*adder;
                    dc->DrawLine(r1.m_x, r1.m_y, r2.m_x + adderc, r2.m_y + adders);
                    dc->DrawLine(r1.m_x - adderc, r1.m_y - adders, r2.m_x, r2.m_y);
                } else
//.........这里部分代码省略.........
开发者ID:CarCode,项目名称:Cocoa-OCPN,代码行数:101,代码来源:Route.cpp


示例10: Draw

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;
//.........这里部分代码省略.........
开发者ID:CarCode,项目名称:Cocoa-OCPN,代码行数:101,代码来源:Route.cpp


示例11: DrawGLLines

void Route::DrawGLLines( ViewPort &VP, ocpnDC *dc )
{
#ifdef ocpnUSE_GL    
    float pix_full_circle = WGS84_semimajor_axis_meters * mercator_k0 * 2 * PI * VP.view_scale_ppm;

    bool r1valid = false;
    wxPoint2DDouble r1;
    wxPoint2DDouble lastpoint;
    
    wxRoutePointListNode *node = pRoutePointList->GetFirst();
    RoutePoint *prp2 = node->GetData();
    cc1->GetDoubleCanvasPointPix( prp2->m_lat, prp2->m_lon, &lastpoint);
    
    if(m_nPoints == 1 && dc) { // single point.. make sure it shows up for highlighting
        cc1->GetDoubleCanvasPointPix( prp2->m_lat, prp2->m_lon, &r1);
        dc->DrawLine(r1.m_x, r1.m_y, r1.m_x+2, r1.m_y+2);
        return;
    }

    // dc is passed for thicker highlighted lines (performance not very important)
    if( !dc )
        glBegin(GL_LINES);

    unsigned short int FromSegNo = prp2->m_GPXTrkSegNo;
    for(node = node->GetNext(); node; node = node->GetNext()) {
        RoutePoint *prp1 = prp2;
        prp2 = node->GetData();
        unsigned short int ToSegNo = prp2->m_GPXTrkSegNo;

        // Provisional, to properly set status of last point in route
        prp2->m_pos_on_screen = false;
        
        if (FromSegNo != ToSegNo) {
            FromSegNo = ToSegNo;
            r1valid = false;
        } else {
            
            wxPoint2DDouble r2;
            cc1->GetDoubleCanvasPointPix( prp2->m_lat, prp2->m_lon, &r2);
            lastpoint = r2;             // For active track segment to ownship
            
            //    Handle offscreen points
            LLBBox bbox = VP.GetBBox();

            // don't need to perform calculations or render segment
            // if both points are past any edge of the vp
            // TODO: use these optimizations for dc mode
            bool lat1l = prp1->m_lat < bbox.GetMinY(), lat2l = prp2->m_lat < bbox.GetMinY();
            bool lat1r = prp1->m_lat > bbox.GetMaxY(), lat2r = prp2->m_lat > bbox.GetMaxY();
            if( (lat1l && lat2l) || (lat1r && lat2r) ) {
                r1valid = false;
                prp1->m_pos_on_screen = false;
                continue;
            }

            bool lon1l, lon1r, lon2l, lon2r;
            TestLongitude(prp1->m_lon, bbox.GetMinX(), bbox.GetMaxX(), lon1l, lon1r);
            TestLongitude(prp2->m_lon, bbox.GetMinX(), bbox.GetMaxX(), lon2l, lon2r);
            if( (lon1l && lon2l) || (lon1r && lon2r) ) {
                r1valid = false;
                prp1->m_pos_on_screen = false;
                continue;
            }

            if(!r1valid)
                cc1->GetDoubleCanvasPointPix( prp1->m_lat, prp1->m_lon, &r1);

            //    In the cases where one point is on, and one off
            //    we must decide which way to go in longitude

            double adder1 = 0, adder2 = 0;
            if(!(lon1l || lon1r) && (lon2l || lon2r) ) { // first point is on screen, second not
                if( r2.m_x < r1.m_x )
                    adder2 = pix_full_circle;
                else
                    adder2 = -pix_full_circle;

                if( fabs(r1.m_x - r2.m_x) < fabs(r1.m_x - ( r2.m_x + adder2 )) )
                    adder2 = 0;
            } else if(lon1l || lon1r) { // first point is off screen
                if( r1.m_x < r2.m_x )
                    adder1 = pix_full_circle;
                else
                    adder1 = -pix_full_circle;

                if( fabs(r1.m_x - r2.m_x) < fabs(r2.m_x - (r1.m_x + adder1)) )
                    adder1 = 0;
            }

            if( dc )
                dc->DrawLine(r1.m_x + adder1, r1.m_y, r2.m_x + adder2, r2.m_y);
            else {
                glVertex2f(r1.m_x + adder1, r1.m_y);
                glVertex2f(r2.m_x + adder2, r2.m_y);

                // cache screen position for arrows and points
                if(!r1valid) {
                    prp1->m_pos_on_screen = !lat1l && !lat1r && !lon1l && !lon1r;
                    prp1->m_screen_pos = r1;
                }
//.........这里部分代码省略.........
开发者ID:jieter,项目名称:OpenCPN,代码行数:101,代码来源:Route.cpp


示例12: Divide

bool ViewPort::Divisor::Divide(ViewPort &Divisor, const double &Size)
{
  // Add a new window to the split.
  return Divide(Divisor.GetFinalDivisor(), Size);
}
开发者ID:firngrod,项目名称:firnplayer,代码行数:5,代码来源:ViewPortDivisor.cpp


示例13: RenderViewOnDC

void WVSChart::RenderViewOnDC(wxMemoryDC& dc, ViewPort& VPoint)
{
        float *platray = NULL;
        float *plonray = NULL;
        int *psegray = NULL;
        int x,y;
        if(!m_ok)
                return;

//      Set Color
        wxPen *pthispen = wxThePenList->FindOrCreatePen(GetGlobalColor(_T("BLUE3")), 1, wxSOLID);
        dc.SetPen(*pthispen);

//      Compute the 1 degree cell boundaries

        int lat_min = (int)floor(VPoint.GetBBox().GetMinY());
        int lat_max = (int)ceil(VPoint.GetBBox().GetMaxY());
        int lon_min = (int)floor(VPoint.GetBBox().GetMinX());
        int lon_max = (int)ceil(VPoint.GetBBox().GetMaxX());

        x = lon_min;
        y = lat_min;

//        printf("%d %d\n", lon_min, lon_max);

        //  Make positive definite longitude for easier integer math
        lon_min += 720;
        lon_max += 720;

        double ref_lon = VPoint.clon;

//      Loop around the lat/lon spec to get and draw the vector segments
        for(y = lat_min ; y < lat_max ; y++)
        {
                for(x = lon_min ; x < lon_max ; x++)
                {
//      Get the arrays of lat/lon vector segments
//      Sanity Check
                      int xt = x;
                      int yt = y;
//      Check the cache first
                        int ix = xt % 360; //xt + 180;                               // bias to positive
                        int iy = yt + 90;

                        if(  (ix > 359) || (ix < 0) || (iy > 179) || (iy < 0) )
                                continue;


                        if(-1 == nseg[ix][iy])                          // no data yet
                        {
                                                                                                     // so fill cache
                                platray = NULL;
                                plonray = NULL;
                                psegray = NULL;
                                int nsegments = wvsrtv (*pwvs_file_name,
                                        y, ix, &platray, &plonray, &psegray);
                                plat_ray[ix][iy] = platray;
                                plon_ray[ix][iy] = plonray;
                                pseg_ray[ix][iy] = psegray;
                                nseg[ix][iy] = nsegments;
//                                printf("load at %d %d \n", ix, iy);

                        }
 //                       else
 //                             printf("     from cache at %d %d \n", ix, iy);

                        if(nseg[ix][iy])
                        {
                                float *plat_seg = plat_ray[ix][iy];
                                float *plon_seg = plon_ray[ix][iy];
                                int *pseg_cnt = pseg_ray[ix][iy];
                                for(int iseg = 0 ; iseg < nseg[ix][iy] ; iseg++)
                                {
                                        int seg_cnt = *pseg_cnt++;
                                        if(seg_cnt > cur_seg_cnt_max)
                                        {
                                                cur_seg_cnt_max = seg_cnt;
                                                ptp = (wxPoint *)realloc(ptp, seg_cnt * sizeof(wxPoint));
                                        }
                                        wxPoint *pr = ptp;
                                        wxPoint p;



                                        for(int ip = 0 ; ip < seg_cnt ; ip++)
                                        {
                                                float plat = *plat_seg++;
                                                float plon = *plon_seg++;

                                                if(fabs(plon - ref_lon) > 180.)
                                                {
                                                      if(plon > ref_lon)
                                                            plon -= 360.;
                                                      else
                                                            plon += 360.;
                                                }


                                                double easting, northing;
                                                toSM(plat, plon + 360., VPoint.clat, ref_lon + 360., &easting, &northing);
//.........这里部分代码省略.........
开发者ID:dongmingdmdm,项目名称:OpenCPN,代码行数:101,代码来源:wvschart.cpp



注:本文中的ViewPort类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


鲜花

握手

雷人

路过

鸡蛋
该文章已有0人参与评论

请发表评论

全部评论

专题导读
上一篇:
C++ ViewProvider类代码示例发布时间:2022-05-31
下一篇:
C++ ViewPage类代码示例发布时间:2022-05-31
热门推荐
阅读排行榜

扫描微信二维码

查看手机版网站

随时了解更新最新资讯

139-2527-9053

在线客服(服务时间 9:00~18:00)

在线QQ客服
地址:深圳市南山区西丽大学城创智工业园
电邮:jeky_zhao#qq.com
移动电话:139-2527-9053

Powered by 互联科技 X3.4© 2001-2213 极客世界.|Sitemap