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TGLRect Class Reference
OpenGL rendering

Viewport (pixel base) 2D rectangle class.

Definition at line 426 of file TGLUtil.h.

Public Member Functions

 TGLRect ()
 Positive width/height. More...
 
 TGLRect (Int_t x, Int_t y, Int_t width, Int_t height)
 Construct rect object, corner (x,y), dimensions 'width', 'height'. More...
 
 TGLRect (Int_t x, Int_t y, UInt_t width, UInt_t height)
 Construct rect object, corner (x,y), dimensions 'width', 'height'. More...
 
virtual ~TGLRect ()
 Destroy rect object. More...
 
void Set (Int_t x, Int_t y, Int_t width, Int_t height)
 
void SetCorner (Int_t x, Int_t y)
 
void Offset (Int_t dX, Int_t dY)
 
void Expand (Int_t x, Int_t y)
 Expand the rect to encompass point (x,y) More...
 
const Int_t * CArr () const
 
Int_t * CArr ()
 
Int_t X () const
 
Int_t & X ()
 
Int_t Y () const
 
Int_t & Y ()
 
Int_t Width () const
 
Int_t & Width ()
 
Int_t Height () const
 
Int_t & Height ()
 
Int_t CenterX () const
 
Int_t CenterY () const
 
Int_t Left () const
 
Int_t Right () const
 
Int_t Top () const
 
Int_t Bottom () const
 
Int_t Diagonal () const
 Return the diagonal of the rectangle. More...
 
Int_t Longest () const
 
Double_t Aspect () const
 
Rgl::EOverlap Overlap (const TGLRect &other) const
 Return overlap result (kInside, kOutside, kPartial) of this rect with 'other'. More...
 
 ClassDef (TGLRect, 0)
 

Private Attributes

Int_t fX
 
Int_t fY
 
Int_t fWidth
 Corner. More...
 
Int_t fHeight
 

#include <TGLUtil.h>

Constructor & Destructor Documentation

TGLRect::TGLRect ( )

Positive width/height.

Construct empty rect object, corner (0,0), width/height 0.

Definition at line 259 of file TGLUtil.cxx.

TGLRect::TGLRect ( Int_t  x,
Int_t  y,
Int_t  width,
Int_t  height 
)

Construct rect object, corner (x,y), dimensions 'width', 'height'.

Definition at line 267 of file TGLUtil.cxx.

TGLRect::TGLRect ( Int_t  x,
Int_t  y,
UInt_t  width,
UInt_t  height 
)

Construct rect object, corner (x,y), dimensions 'width', 'height'.

Definition at line 275 of file TGLUtil.cxx.

TGLRect::~TGLRect ( )
virtual

Destroy rect object.

Definition at line 284 of file TGLUtil.cxx.

Member Function Documentation

Double_t TGLRect::Aspect ( ) const
inline

Definition at line 505 of file TGLUtil.h.

Referenced by TGLPerspectiveCamera::Apply(), TGLViewer::DoDrawStereo(), TGLCameraGuide::Render(), TGLAnnotation::Render(), TEveCaloLegoOverlay::RenderPaletteScales(), and TGLPerspectiveCamera::Setup().

Int_t TGLRect::Bottom ( ) const
inline

Definition at line 464 of file TGLUtil.h.

const Int_t* TGLRect::CArr ( ) const
inline

Definition at line 448 of file TGLUtil.h.

Referenced by TGLPerspectiveCamera::Apply(), TGLOrthoCamera::Apply(), TEveCaloLegoGL::DrawAxis3D(), TGLRnrCtx::ProjectionMatrixPushIdentity(), TGLOverlayButton::Render(), TEveCaloLegoOverlay::Render(), TGLCamera::ViewportRect(), TGLCamera::ViewportToWorld(), and TGLCamera::WorldToViewport().

Int_t* TGLRect::CArr ( )
inline

Definition at line 449 of file TGLUtil.h.

Int_t TGLRect::CenterX ( ) const
inline

Definition at line 459 of file TGLUtil.h.

Int_t TGLRect::CenterY ( ) const
inline

Definition at line 460 of file TGLUtil.h.

TGLRect::ClassDef ( TGLRect  ,
0   
)
Int_t TGLRect::Diagonal ( ) const

Return the diagonal of the rectangle.

Definition at line 316 of file TGLUtil.cxx.

Referenced by TGLPhysicalShape::CalculateShapeLOD(), TEveCaloLegoGL::DrawAxis2D(), TEveCaloLegoGL::DrawAxis3D(), and TGLViewer::ViewportDiagonal().

void TGLRect::Expand ( Int_t  x,
Int_t  y 
)

Expand the rect to encompass point (x,y)

Definition at line 291 of file TGLUtil.cxx.

Referenced by TGLCamera::ViewportRect().

Int_t TGLRect::Height ( ) const
inline

Definition at line 457 of file TGLUtil.h.

Referenced by TGLPerspectiveCamera::Apply(), TGLOrthoCamera::Apply(), TGLViewer::DoDraw(), TGLViewer::DoDrawStereo(), TGLPhysicalShape::Draw(), TGLPlotCamera::GetHeight(), TGLViewer::GetPictureUsingBB(), TGLViewer::GetPictureUsingFBO(), TGLCameraGuide::Handle(), TEveCaloLegoOverlay::Handle(), TGLAnnotation::Handle(), TGLEventHandler::HandleButton(), TGLHistPainter::PadToViewport(), TGLPlotCamera::Pan(), TGLRnrCtx::ProjectionMatrixPushIdentity(), TGLOverlayButton::Render(), TEveCaloLegoOverlay::Render(), TGLAnnotation::Render(), TGLCameraOverlay::RenderBar(), TEveCaloLegoOverlay::RenderHeader(), TEveCaloLegoOverlay::RenderLogaritmicScales(), TEveCaloLegoOverlay::RenderPaletteScales(), TEveCaloLegoOverlay::RenderPlaneInterface(), TGLCameraOverlay::RenderPlaneIntersect(), TEveLegoEventHandler::Rotate(), TGLCamera::Rotate(), TGLCamera::RotateArcBall(), TGLViewer::SavePicture(), TGLViewer::SavePictureHeight(), TGLViewer::SavePictureScale(), TGLViewer::SavePictureUsingBB(), TGLViewer::SavePictureUsingFBO(), TGLViewer::SavePictureWidth(), TGLPlotCamera::SetCamera(), TEveCaloLegoOverlay::SetSliderVal(), TGLViewer::SetStereo(), TGLPlotCamera::SetViewport(), TGLViewer::SetViewport(), TGLPlotCamera::StartPan(), TGLPerspectiveCamera::Truck(), TGLOrthoCamera::Truck(), and TGLCamera::WindowToViewport().

Int_t& TGLRect::Height ( )
inline

Definition at line 458 of file TGLUtil.h.

Int_t TGLRect::Left ( ) const
inline

Definition at line 461 of file TGLUtil.h.

Int_t TGLRect::Longest ( ) const
inline

Definition at line 499 of file TGLUtil.h.

void TGLRect::Offset ( Int_t  dX,
Int_t  dY 
)
inline

Definition at line 492 of file TGLUtil.h.

Rgl::EOverlap TGLRect::Overlap ( const TGLRect &  other) const

Return overlap result (kInside, kOutside, kPartial) of this rect with 'other'.

Definition at line 327 of file TGLUtil.cxx.

Referenced by TGLCamera::ViewportOverlap().

Int_t TGLRect::Right ( ) const
inline

Definition at line 462 of file TGLUtil.h.

void TGLRect::Set ( Int_t  x,
Int_t  y,
Int_t  width,
Int_t  height 
)
inline

Definition at line 476 of file TGLUtil.h.

Referenced by TGLRnrCtx::BeginSelection(), TGLPlane::Set(), TGLViewer::SetViewport(), TGLMatrix::TGLMatrix(), and TGLPlane::TGLPlane().

void TGLRect::SetCorner ( Int_t  x,
Int_t  y 
)
inline

Definition at line 485 of file TGLUtil.h.

Referenced by TGLCamera::ViewportRect().

Int_t TGLRect::Top ( ) const
inline

Definition at line 463 of file TGLUtil.h.

Int_t TGLRect::Width ( ) const
inline

Definition at line 455 of file TGLUtil.h.

Referenced by TGLPerspectiveCamera::Apply(), TGLOrthoCamera::Apply(), TGLViewer::DoDraw(), TGLViewer::DoDrawStereo(), TGLPhysicalShape::Draw(), TGLViewer::GetPictureUsingBB(), TGLViewer::GetPictureUsingFBO(), TGLPlotCamera::GetWidth(), TGLCameraGuide::Handle(), TEveCaloLegoOverlay::Handle(), TGLAnnotation::Handle(), TGLEventHandler::HandleButton(), TGLHistPainter::PadToViewport(), TGLPlotCamera::Pan(), TGLRnrCtx::ProjectionMatrixPushIdentity(), TGLOverlayButton::Render(), TEveCaloLegoOverlay::Render(), TGLAnnotation::Render(), TEveCaloLegoOverlay::RenderHeader(), TEveCaloLegoOverlay::RenderLogaritmicScales(), TGLCameraOverlay::RenderPlaneIntersect(), TGLCamera::Rotate(), TGLCamera::RotateArcBall(), TGLViewer::SavePicture(), TGLViewer::SavePictureHeight(), TGLViewer::SavePictureScale(), TGLViewer::SavePictureUsingBB(), TGLViewer::SavePictureUsingFBO(), TGLViewer::SavePictureWidth(), TGLPlotCamera::SetCamera(), TGLViewer::SetStereo(), TGLPlotCamera::SetViewport(), TGLViewer::SetViewport(), and TGLOrthoCamera::Truck().

Int_t& TGLRect::Width ( )
inline

Definition at line 456 of file TGLUtil.h.

Int_t TGLRect::X ( ) const
inline

Definition at line 451 of file TGLUtil.h.

Referenced by TGLPerspectiveCamera::Apply(), TGLOrthoCamera::Apply(), TGLPhysicalShape::Draw(), TGLPlotCamera::GetX(), TGLHistPainter::PadToViewport(), TGLRnrCtx::ProjectionMatrixPushIdentity(), TGLOverlayButton::Render(), TGLPlotCamera::SetCamera(), TGLViewer::SetStereo(), TGLPlotCamera::SetViewport(), and TGLViewer::SetViewport().

Int_t& TGLRect::X ( )
inline

Definition at line 452 of file TGLUtil.h.

Int_t TGLRect::Y ( ) const
inline

Definition at line 453 of file TGLUtil.h.

Referenced by TGLPerspectiveCamera::Apply(), TGLOrthoCamera::Apply(), TGLPhysicalShape::Draw(), TGLPlotCamera::GetY(), TGLHistPainter::PadToViewport(), TGLRnrCtx::ProjectionMatrixPushIdentity(), TGLOverlayButton::Render(), TGLPlotCamera::SetCamera(), TGLViewer::SetStereo(), TGLPlotCamera::SetViewport(), TGLViewer::SetViewport(), and TGLCamera::WindowToViewport().

Int_t& TGLRect::Y ( )
inline

Definition at line 454 of file TGLUtil.h.

Member Data Documentation

Int_t TGLRect::fHeight
private

Definition at line 431 of file TGLUtil.h.

Referenced by Aspect(), Bottom(), CenterY(), Diagonal(), Expand(), Height(), Longest(), Overlap(), and Set().

Int_t TGLRect::fWidth
private

Corner.

Definition at line 431 of file TGLUtil.h.

Referenced by Aspect(), CenterX(), Diagonal(), Expand(), Longest(), Overlap(), Right(), Set(), and Width().

Int_t TGLRect::fX
private

Definition at line 430 of file TGLUtil.h.

Referenced by CArr(), CenterX(), Expand(), Left(), Offset(), Overlap(), Right(), Set(), SetCorner(), and X().

Int_t TGLRect::fY
private

Definition at line 430 of file TGLUtil.h.

Referenced by Bottom(), CenterY(), Expand(), Offset(), Overlap(), Set(), SetCorner(), Top(), and Y().

The documentation for this class was generated from the following files: