本文整理汇总了C++中ocpnDC::CalcBoundingBox方法的典型用法代码示例。如果您正苦于以下问题：C++ ocpnDC::CalcBoundingBox方法的具体用法？C++ ocpnDC::CalcBoundingBox怎么用？C++ ocpnDC::CalcBoundingBox使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类ocpnDC的用法示例。
在下文中一共展示了ocpnDC::CalcBoundingBox方法的2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，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: Draw
void RoutePoint::Draw( ocpnDC& dc, wxPoint *rpn )
{
wxPoint r;
wxRect hilitebox;
cc1->GetCanvasPointPix( m_lat, m_lon, &r );
// return the home point in this dc to allow "connect the dots"
if( NULL != rpn ) *rpn = r;
if( !m_bIsVisible ) // pjotrc 2010.02.13, 2011.02.24
return;
// Optimization, especially apparent on tracks in normal cases
if( m_IconName == _T("empty") && !m_bShowName && !m_bPtIsSelected ) return;
wxPen *pen;
if( m_bBlink )
pen = g_pRouteMan->GetActiveRoutePointPen();
else
pen = g_pRouteMan->GetRoutePointPen();
// Substitue icon?
wxBitmap *pbm;
if( ( m_bIsActive ) && ( m_IconName != _T("mob") ) )
pbm = pWayPointMan->GetIconBitmap( _T ( "activepoint" ) );
else
pbm = m_pbmIcon;
wxBitmap *pbms = NULL;
if( g_ChartScaleFactorExp > 1.0){
if(m_IconScaleFactor != g_ChartScaleFactorExp){
wxImage scaled_image = pbm->ConvertToImage();
int new_width = pbm->GetWidth() * g_ChartScaleFactorExp;
int new_height = pbm->GetHeight() * g_ChartScaleFactorExp;
m_ScaledBMP = wxBitmap(scaled_image.Scale(new_width, new_height, wxIMAGE_QUALITY_HIGH));
m_IconScaleFactor = g_ChartScaleFactorExp;
}
if( m_ScaledBMP.IsOk() )
pbm = &m_ScaledBMP;
}
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
if( m_bShowName ) {
if( 0 == 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 );
r1.Union( r2 );
}
}
hilitebox = r1;
hilitebox.x -= r.x;
hilitebox.y -= r.y;
float radius;
if( g_btouch ){
hilitebox.Inflate( 20 );
radius = 20.0f;
}
else{
hilitebox.Inflate( 4 );
radius = 4.0f;
}
wxColour hi_colour = pen->GetColour();
unsigned char transparency = 100;
if( m_bIsBeingEdited ){
hi_colour = GetGlobalColor( _T ( "YELO1" ) );
transparency = 150;
}
// Highlite any selected point
if( m_bPtIsSelected || m_bIsBeingEdited) {
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 ) ) {
dc.DrawBitmap( *pbm, r.x - sx2, r.y - sy2, true );
// on MSW, the dc Bounding box is not updated on DrawBitmap() method.
// Do it explicitely here for all platforms.
dc.CalcBoundingBox( r.x - sx2, r.y - sy2 );
dc.CalcBoundingBox( r.x + sx2, r.y + sy2 );
//.........这里部分代码省略.........
示例2: Draw
void RoutePoint::Draw( ocpnDC& dc, wxPoint *rpn )
{
wxPoint r;
wxRect hilitebox;
unsigned char transparency = 100;
cc1->GetCanvasPointPix( m_lat, m_lon, &r );
// return the home point in this dc to allow "connect the dots"
if( NULL != rpn ) *rpn = r;
if( !m_bIsVisible /*&& !m_bIsInTrack*/) // pjotrc 2010.02.13, 2011.02.24
return;
// Optimization, especially apparent on tracks in normal cases
if( m_IconName == _T("empty") && !m_bShowName && !m_bPtIsSelected ) return;
wxPen *pen;
if( m_bBlink ) pen = g_pRouteMan->GetActiveRoutePointPen();
else
pen = g_pRouteMan->GetRoutePointPen();
// Substitue icon?
wxBitmap *pbm;
if( ( m_bIsActive ) && ( m_IconName != _T("mob") ) ) pbm = pWayPointMan->GetIconBitmap(
_T ( "activepoint" ) );
else
pbm = m_pbmIcon;
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
if( m_bShowName ) {
if( 0 == m_pMarkFont ) {
m_pMarkFont = pFontMgr->GetFont( _( "Marks" ) );
m_FontColor = pFontMgr->GetFontColor( _("Marks") );
CalculateNameExtents();
}
if( m_pMarkFont ) {
wxRect r2( r.x + m_NameLocationOffsetX, r.y + m_NameLocationOffsetY, m_NameExtents.x,
m_NameExtents.y );
r1.Union( r2 );
}
}
hilitebox = r1;
hilitebox.x -= r.x;
hilitebox.y -= r.y;
hilitebox.Inflate( 2 );
// Highlite any selected point
if( m_bPtIsSelected ) {
AlphaBlending( dc, r.x + hilitebox.x, r.y + hilitebox.y, hilitebox.width, hilitebox.height, 0.0,
pen->GetColour(), transparency );
}
bool bDrawHL = false;
if( m_bBlink && ( gFrame->nBlinkerTick & 1 ) ) bDrawHL = true;
if( ( !bDrawHL ) && ( NULL != m_pbmIcon ) ) {
dc.DrawBitmap( *pbm, r.x - sx2, r.y - sy2, true );
// on MSW, the dc Bounding box is not updated on DrawBitmap() method.
// Do it explicitely here for all platforms.
dc.CalcBoundingBox( r.x - sx2, r.y - sy2 );
dc.CalcBoundingBox( r.x + sx2, r.y + sy2 );
}
if( m_bShowName ) {
if( m_pMarkFont ) {
dc.SetFont( *m_pMarkFont );
dc.SetTextForeground( m_FontColor );
dc.DrawText( m_MarkName, r.x + m_NameLocationOffsetX, r.y + m_NameLocationOffsetY );
}
}
// Save the current draw rectangle in the current DC
// 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
}