SliceO_Window::Wnd_2

This method enable you to convert coordinates in "Wnd" space to coordinates in "Inf" space.

Syntax

Point_2D Wnd_2_Inf(

Point_2D pos_wnd

) ;

Region_2D Wnd_2_Inf(

Region_2D reg_wnd

) ;

Parameters

pos_wnd

2D point to convert from "Wnd" space to "Inf" space.

reg_wnd

2D region to convert from "Wnd" space to "Inf" space.

Return value

This method return either a transformed 2D point or a 2D region depending on its arguments.

Remarks

The transformation is computed by:

·Inversing the vertical coordinates

·Adding the "val_x" and "val_y" slider values from horizontal and vertical the infinite coordinates.

// ----------------------------------------------------------------------------

// Wnd_2_Inf()

// param: pos_wnd (Point_2D) The position in "Wnd" space

// return: (Point_2D) new coord in "Inf" space

// ----------------------------------------------------------------------------

Point_2D SliceO_Window::Wnd_2_Inf( Point_2D pos_wnd )

{

Point_2D pos_inf( COORD_INF ) ;

int val_x = (int) (this->val_x.Cur_Value) ;

int val_y = (int) (this->val_y.Cur_Value) ;

// --- just add the current slider values ---

pos_inf.Set( pos_wnd.x + val_x,

(m_dim_y) - (pos_wnd.y - val_y) ) ;

return( pos_inf ) ;

}

Requirements

Header:

sliceO_include.hpp

Library:

sliceO_Structures.lib

Example