JROOT::JCanvas Class Reference

Data structure for size of TCanvas. More...

#include <JCanvas.hh>

Public Member Functions
	JCanvas ()
	Default constructor.
	JCanvas (const int __x, const int __y)
	Constructor.

Public Attributes
int	x
	number of pixels in X
int	y
	number of pixels in Y

Static Public Attributes
static const char	SEPARATOR = 'x'

Friends
std::istream &	operator>> (std::istream &in, JCanvas &cv)
	Read canvas from input stream.
std::ostream &	operator<< (std::ostream &out, const JCanvas &cv)
	Write canvas to output stream.

Detailed Description

Data structure for size of TCanvas.

Definition at line 26 of file JCanvas.hh.

Constructor & Destructor Documentation

JCanvas() [1/2]

JROOT::JCanvas::JCanvas ( )

inline

Default constructor.

Definition at line 31 of file JCanvas.hh.

              :
      x(500),
      y(500)
    {}

JCanvas() [2/2]

JROOT::JCanvas::JCanvas ( const int __x, const int __y )

inline

Constructor.

Parameters

__x	width
__y	height

Definition at line 43 of file JCanvas.hh.

                           :
      x(__x),
      y(__y)
    {}

Friends And Related Symbol Documentation

operator>>

std::istream & operator>> ( std::istream & in, JCanvas & cv )

friend

Read canvas from input stream.

Parameters

in	input stream
cv	canvas

Returns

input stream

Definition at line 57 of file JCanvas.hh.

    { 
      using namespace std;
 
      string buffer;
 
      getline(in,buffer);
 
      size_t pos = buffer.find(SEPARATOR);
 
      if (pos != string::npos) {
 
        if (!(istringstream(buffer.substr(0,pos)) >> cv.x)) { in.setstate(ios::badbit); }
        if (!(istringstream(buffer.substr(pos+1)) >> cv.y)) { in.setstate(ios::badbit); }
 
      } else {
 
        THROW(JParseError, "JCanvas error parsing " << buffer);
      }
 
      return in;
    }

operator<<

std::ostream & operator<< ( std::ostream & out, const JCanvas & cv )

friend

Write canvas to output stream.

Parameters

out	output stream
cv	canvas

Returns

output stream

Definition at line 88 of file JCanvas.hh.

    { 
      out << cv.x << SEPARATOR << cv.y; 
 
      return out; 
    }

Member Data Documentation

SEPARATOR

const char JROOT::JCanvas::SEPARATOR = 'x'

static

Definition at line 96 of file JCanvas.hh.

x

int JROOT::JCanvas::x

number of pixels in X

Definition at line 98 of file JCanvas.hh.

y

int JROOT::JCanvas::y

number of pixels in Y

Definition at line 99 of file JCanvas.hh.

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

• JCanvas.hh