minsky::DrawBinOp Struct Reference

helper class to draw port label symbols More...

#include <operation.h>

Collaboration diagram for minsky::DrawBinOp:

Public Member Functions
	DrawBinOp (cairo_t *cairo, double z=1)
void	drawPlus () const
void	drawMinus () const
void	drawMultiply () const
void	drawDivide () const
void	drawSymbol (const char *s) const
template<class F >
void	drawPort (F f, float x, float y, float rotation) const

Public Attributes
cairo_t *	cairo
double	zoomFactor

Detailed Description

helper class to draw port label symbols

Definition at line 112 of file operation.h.

Constructor & Destructor Documentation

DrawBinOp()

minsky::DrawBinOp::DrawBinOp ( cairo_t *  cairo, double  z = 1  )

inline

Definition at line 116 of file operation.h.

: cairo(cairo), zoomFactor(z) {}

Member Function Documentation

drawDivide()

void minsky::DrawBinOp::drawDivide ( ) const

inline

Definition at line 143 of file operation.h.

References cairo, and M_PI.

Referenced by minsky::Operation< minsky::OperationType::integrate >::iconDraw().

    {
      cairo_move_to(cairo,-5,0);
      cairo_line_to(cairo,5,0);
      cairo_new_sub_path(cairo);
      cairo_arc(cairo,0,3,1,0,2*M_PI);
      cairo_new_sub_path(cairo);
      cairo_arc(cairo,0,-3,1,0,2*M_PI);
      cairo_stroke(cairo);
    }

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drawMinus()

void minsky::DrawBinOp::drawMinus ( ) const

inline

Definition at line 127 of file operation.h.

References cairo.

Referenced by minsky::Operation< minsky::OperationType::integrate >::iconDraw().

    {
      cairo_move_to(cairo,-5,0);
      cairo_line_to(cairo,5,0);
      cairo_stroke(cairo);
    }

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drawMultiply()

void minsky::DrawBinOp::drawMultiply ( ) const

inline

Definition at line 134 of file operation.h.

References cairo.

Referenced by minsky::Operation< minsky::OperationType::integrate >::iconDraw().

    {
      cairo_move_to(cairo,-5,-5);
      cairo_line_to(cairo,5,5);
      cairo_move_to(cairo,-5,5);
      cairo_line_to(cairo,5,-5);
      cairo_stroke(cairo);
    }

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drawPlus()

void minsky::DrawBinOp::drawPlus ( ) const

inline

Definition at line 118 of file operation.h.

References cairo.

Referenced by minsky::Operation< minsky::OperationType::integrate >::iconDraw().

    {
      cairo_move_to(cairo,0,-5);
      cairo_line_to(cairo,0,5);
      cairo_move_to(cairo,-5,0);
      cairo_line_to(cairo,5,0);
      cairo_stroke(cairo);
    }

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drawPort()

template<class F >

void minsky::DrawBinOp::drawPort ( F  f, float  x, float  y, float  rotation  ) const

inline

Definition at line 164 of file operation.h.

References cairo, f, minsky::flipped(), and M_PI.

Referenced by minsky::IntOp::draw(), minsky::OperationBase::drawUserFunction(), and minsky::Operation< minsky::OperationType::integrate >::iconDraw().

    {
      const ecolab::cairo::CairoSave cs(cairo);
      
      const double angle=rotation * M_PI / 180.0;
      if (minsky::flipped(rotation))
        y=-y;
      cairo_rotate(cairo, angle);
      
      cairo_translate(cairo,0.7*x,0.6*y);
      cairo_scale(cairo,0.5,0.5);
      
      // and counter-rotate
      cairo_rotate(cairo, -angle);
      f();
    }

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drawSymbol()

void minsky::DrawBinOp::drawSymbol ( const char *  s ) const

inline

Definition at line 154 of file operation.h.

References cairo, and zoomFactor.

Referenced by minsky::IntOp::draw(), minsky::OperationBase::drawUserFunction(), and minsky::Operation< minsky::OperationType::integrate >::iconDraw().

    {
      cairo_scale(cairo,zoomFactor,zoomFactor);
      cairo_move_to(cairo,-5,0);
      cairo_show_text(cairo,s);
    }

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Member Data Documentation

cairo

cairo_t* minsky::DrawBinOp::cairo

Definition at line 114 of file operation.h.

Referenced by drawDivide(), drawMinus(), drawMultiply(), drawPlus(), drawPort(), and drawSymbol().

zoomFactor

double minsky::DrawBinOp::zoomFactor

Definition at line 115 of file operation.h.

Referenced by drawSymbol().

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

• model/operation.h