NAME

addrdsrecwindow - adds a rectangle in the windowing of rds structure.

See the file man1/alc_origin.1.

SYNOPSIS

#include "rwinnn.h"


 void addrdsrecwindow( Rectangle, RdsWindow )


    rdsrec_list ∗Rectangle;


    rdswindow   ∗RdsWindow;

PARAMETER

Rectangle: The rectangle to add to the windowing.
RdsWindow: The head of the windowing which has to contain the rectangle.

DESCRIPTION

The addrdsrecwindow function inserts a rdsrec_list rectangle structure in the windowing of the rds structure. The rectangle is added in one or many windows of the table (it depends on his dimensions). The field ´USER´ of the rectangle is used to point to the list of windows which contains the rectangle. So, the field ´USER´ has to be saved in an added structure to the rdsrec_list structure if librfm functions are used because some use the field ´USER´ to link rectangles (see librds about field ´USER´).

Note: If the rectangle is contained in only one window, then the field ´USER´ points to a "rdswin_list" window structure.
If the rectangle is contained in many windows, the field ´USER´ points to a "rdsrecwin_list" structure which is a list which contains windows.

To know if a rectangle belongs to one or many windows, use the macro IsRdsOneWindow defined in librwi.

RETURN VALUE

none

ERRORS

"Rds202: rdsalloc error, can't continue !"

it's impossible to allocate the memory size desired

EXAMPLE



        #include "mutnnn.h"


        #include "rdsnnn.h"


        #include "rwinnn.h"


        #include "rtlnnn.h"


        # define POINTER_LINKREC(R)                               \


                                                                  \


          (((UserStruct ∗)((char ∗)(R)+sizeof(rdsrec_list)))->LINKREC )


        typedef struct UserStruct


          {


            void ∗LINKREC; 


          } UserStruct;


        main()


          {


            rdsfig_list ∗Figure;


            rdsrec_list ∗Rectangle;


            rdswindow ∗RdsWindow;


            rdswin_list ∗ScanWin;


            rdsrecwin_list ∗ScanRecWin;


             mbkenv();


             rdsenv();


             loadrdsparam(); 


             Figure = addrdsfig( "core",sizeof ( UserStruct ) );


             Rectangle =


               addrdsfigrec(Figure,"Alu1",RDS_ALU1,2,4,5,1);


             /∗ Using the field ´USER´ ∗/


             Rectangle->USER = Rectangle;


            . . . .


            RdsWindow = allocrdswindow();


            RdsWindow->XMIN = -200;


            RdsWindow->YMIN = -200;


            RdsWindow->XMAX =  200;


            RdsWindow->YMAX =  200;


            RdsWindow->DX   =  4;


            RdsWindow->DY   =  4;


            RdsWindow->SIDE =  100;


            RdsWindow->SIZE =  RdsWindow->DX ∗ RdsWindow->DY ;


            RdsWindow->WINTAB = allocrdswin( RdsWindow->SIZE );


            /∗ Save the field ´USER´ of the rectangle ∗/


            POINTER_LINKREC(Rectangle) = Rectangle->USER; 


            /∗ ∗/ addrdsrecwindow( Rectangle, RdsWindow ); 


            /∗ windows associated to a rectangle are pointed by the


               field ´USER´ of the rectangle ∗/


            /∗ getting windows (pointer ∗ScanWin) of a rectangle ∗/


            if ( IsRdsOneWindow(Rectangle) )


             {


               ScanWin = (rdswin_list ∗) Rectangle->USER;


             }


            else


             {


               ScanRecWin = Rectangle->USER;


               while ( ScanRecWin != NULL )


                {


                  ScanWin = (rdswin_list ∗) (ScanRecWin)->WINDOW;


                  ScanRecWin = ScanRecWin->NEXT;


                }


             }


            . . .


          }