本文整理汇总了C++中ViewPort类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。 |
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