本文整理汇总了C++中BOX2I::Centre方法的典型用法代码示例。如果您正苦于以下问题：C++ BOX2I::Centre方法的具体用法？C++ BOX2I::Centre怎么用？C++ BOX2I::Centre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BOX2I的用法示例。
在下文中一共展示了BOX2I::Centre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: ZoomFitScreen
int PCBNEW_CONTROL::ZoomFitScreen( const TOOL_EVENT& aEvent )
{
KIGFX::VIEW* view = m_frame->GetGalCanvas()->GetView();
KIGFX::GAL* gal = m_frame->GetGalCanvas()->GetGAL();
BOARD* board = getModel<BOARD>();
board->ComputeBoundingBox();
BOX2I boardBBox = board->ViewBBox();
VECTOR2I screenSize = gal->GetScreenPixelSize();
if( boardBBox.GetSize().x == 0 || boardBBox.GetSize().y == 0 )
{
// Empty view
view->SetCenter( view->ToWorld( VECTOR2D( screenSize.x / 2, screenSize.y / 2 ) ) );
view->SetScale( 17.0 );
}
else
{
// Autozoom to board
double iuPerX = screenSize.x ? boardBBox.GetWidth() / screenSize.x : 1.0;
double iuPerY = screenSize.y ? boardBBox.GetHeight() / screenSize.y : 1.0;
double bestZoom = std::max( iuPerX, iuPerY );
double zoomFactor = gal->GetWorldScale() / gal->GetZoomFactor();
double zoom = 1.0 / ( zoomFactor * bestZoom );
view->SetCenter( boardBBox.Centre() );
view->SetScale( zoom );
}
return 0;
}示例2: ZoomFitScreen
int PCBNEW_CONTROL::ZoomFitScreen( const TOOL_EVENT& aEvent )
{
KIGFX::VIEW* view = getView();
EDA_DRAW_PANEL_GAL* galCanvas = m_frame->GetGalCanvas();
BOARD* board = getModel<BOARD>();
board->ComputeBoundingBox();
BOX2I boardBBox = board->ViewBBox();
VECTOR2D scrollbarSize = VECTOR2D( galCanvas->GetSize() - galCanvas->GetClientSize() );
VECTOR2D screenSize = view->ToWorld( galCanvas->GetClientSize(), false );
if( boardBBox.GetWidth() == 0 || boardBBox.GetHeight() == 0 )
{
// Empty view
view->SetScale( 17.0 ); // works fine for the standard worksheet frame
view->SetCenter( screenSize / 2.0 );
}
else
{
VECTOR2D vsize = boardBBox.GetSize();
double scale = view->GetScale() / std::max( fabs( vsize.x / screenSize.x ),
fabs( vsize.y / screenSize.y ) );
view->SetScale( scale );
view->SetCenter( boardBBox.Centre() );
}
// Take scrollbars into account
VECTOR2D worldScrollbarSize = view->ToWorld( scrollbarSize, false );
view->SetCenter( view->GetCenter() + worldScrollbarSize / 2.0 );
return 0;
}