evdb::Canvas Class Reference

#include <Canvas.h>

Inheritance diagram for evdb::Canvas:

Public Member Functions
	Canvas (TGMainFrame *mf)
virtual	~Canvas ()
virtual void	Draw (const char *opt=0)=0
virtual const char *	PrintTag () const
virtual const char *	Description () const
virtual void	Print (const char *f)
void	Connect ()
	Make signal/slot connections. More...
Public Member Functions inherited from evdb::Printable
	Printable ()
virtual	~Printable ()

Protected Attributes
TGCompositeFrame *	fFrame
	Graphics frame. More...
TGLayoutHints *	fLayout
	Layout hints for frame. More...
TRootEmbeddedCanvas *	fEmbCanvas
	Embedded canvas. More...
TCanvas *	fCanvas
	The ROOT drawing canvas. More...
unsigned short	fXsize
	Size of the canvas;. More...
unsigned short	fYsize
	Size of the canvas;. More...
float	fAspectRatio
	fYsize/fXsize More...

Additional Inherited Members
Static Public Member Functions inherited from evdb::Printable
static void	AddToListOfPrintables (const char *name, evdb::Printable *p)
static void	RemoveFromListOfPrintables (evdb::Printable *p)
static std::map< std::string, evdb::Printable * > &	GetPrintables ()

Detailed Description

Definition at line 22 of file Canvas.h.

Constructor & Destructor Documentation

evdb::Canvas::Canvas

(

TGMainFrame *

mf

)

Perform the basic setup for a drawing canvas

Definition at line 33 of file Canvas.cxx.

  {
    TGDimension sz;     // Size of the main frame
  
    sz           = mf->GetSize();
    fXsize       = sz.fWidth  - 10; // Leave small margin on left and right 
    fYsize       = sz.fHeight - 58; // Leave small margin on top and bottom
    fAspectRatio = (float)fYsize/(float)fXsize;
  
    // This frame is apparently for holding the buttons on the top; it's
    // not used for anything else.
    fFrame  = new TGCompositeFrame(mf, 60, 60, kHorizontalFrame); 

    // Define a layout for placing the canvas within the frame.
    fLayout = new TGLayoutHints(kLHintsTop | kLHintsLeft | kLHintsExpandX |
                                kLHintsExpandY, 5, 5, 5, 5);
  
    // Careful about clashes with root's naming of canvases. Make a name
    // like "tpcEVDCanvas" using the print tag
    std::string name(this->PrintTag());
    name += "evdb::Canvas";

    // Create the embedded canvas within the main ROOT graphics frame.
    fEmbCanvas = new TRootEmbeddedCanvas(name.c_str(), mf, fXsize, fYsize,
                                         kSunkenFrame, 0);
    mf->AddFrame(fEmbCanvas, fLayout);
    mf->AddFrame(fFrame);
  
    // Extract the graphical Canvas from the embedded canvas.  The user
    // will do most of their drawing in this.
    fCanvas = fEmbCanvas->GetCanvas();
  }

evdb::Canvas::~Canvas ( )

virtual

Definition at line 78 of file Canvas.cxx.

  {
    // IoModule::Instance()->Disconnect(0,this,0);
    delete fEmbCanvas;
    delete fLayout;    
    delete fFrame;
  }

Member Function Documentation

void evdb::Canvas::Connect

(

)

Make signal/slot connections.

Definition at line 68 of file Canvas.cxx.

  {
    // Make connections for drawing and printing
    // IoModule::Instance()->Connect("NewEvent()",
    // "evdb::Canvas",this,"Draw()");
    Printable::AddToListOfPrintables(this->Description(),this);
  }

virtual const char* evdb::Canvas::Description ( ) const

inlinevirtual

Reimplemented from evdb::Printable.

Reimplemented in evd::TWQProjectionView, evd::TWQMultiTPCProjectionView, evdb::testCanvas1, evd::CalorView, evd::Ortho3DView, and evd::Display3DView.

Definition at line 33 of file Canvas.h.

{return "sub-class needs description"; }

virtual void evdb::Canvas::Draw ( const char *  opt = 0 )

pure virtual

Implemented in evd::TWQProjectionView, evd::TWQMultiTPCProjectionView, evdb::testCanvas1, evd::CalorView, evd::Ortho3DView, and evd::Display3DView.

void evdb::Canvas::Print ( const char *  f )

virtual

Implements evdb::Printable.

Definition at line 88 of file Canvas.cxx.

{ fCanvas->Print(f); }

virtual const char* evdb::Canvas::PrintTag ( ) const

inlinevirtual

Implements evdb::Printable.

Reimplemented in evd::TWQProjectionView, evd::TWQMultiTPCProjectionView, evdb::testCanvas1, evd::CalorView, evd::Ortho3DView, and evd::Display3DView.

Definition at line 32 of file Canvas.h.

{return "sub-class needs print tag"; }

Member Data Documentation

float evdb::Canvas::fAspectRatio

protected

fYsize/fXsize

Definition at line 46 of file Canvas.h.

TCanvas* evdb::Canvas::fCanvas

protected

The ROOT drawing canvas.

Definition at line 42 of file Canvas.h.

TRootEmbeddedCanvas* evdb::Canvas::fEmbCanvas

protected

Embedded canvas.

Definition at line 41 of file Canvas.h.

TGCompositeFrame* evdb::Canvas::fFrame

protected

Graphics frame.

Definition at line 39 of file Canvas.h.

TGLayoutHints* evdb::Canvas::fLayout

protected

Layout hints for frame.

Definition at line 40 of file Canvas.h.

unsigned short evdb::Canvas::fXsize

protected

Size of the canvas;.

Definition at line 44 of file Canvas.h.

unsigned short evdb::Canvas::fYsize

protected

Size of the canvas;.

Definition at line 45 of file Canvas.h.

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

• nutools/old/EventDisplayBase/Canvas.h
• nutools/old/EventDisplayBase/Canvas.cxx