/*-----------------------------------------------------------------------------
	File:		UgGraphLineCircleDraw.c
	Description:	demo drawing lines/circles

            PTC             File
   Date   Version   Author  Vers  Comment
--------- -------  -------- ----- ---------------------------------------------
04-dec-97 H-02-02  AWY/CHI    $$1 setup.
-----------------------------------------------------------------------------*/


/*---------------------- Pro/Toolkit Includes ------------------------*/
#include "ProToolkit.h"
#include "ProGraphic.h"

/*---------------------- Application Includes ------------------------*/
#include "TestError.h"

/*---------------------- Function Prototypes -------------------------*/
ProError UserDraw();


ProError UserDraw()
{
    ProFileName msgfil;
    ProColortype old_color,dummy_color;
    ProMouseButton button;
    ProPoint3d point;
    ProError err;
    int first=1;

    ProStringToWstring(msgfil,"msg_uggraph.txt");

/*---------------------------------------------------------------------*\
    Set the Pro/TOOLKIT graphics color to MAGENTA
\*---------------------------------------------------------------------*/
    err=ProGraphicsColorSet(PRO_COLOR_ERROR,&old_color);
    ERROR_CHECK("UserDraw","ProGraphicsColorSet",err);

/*---------------------------------------------------------------------*\
    Get the user to select the points
\*---------------------------------------------------------------------*/
    ProMessageDisplay(msgfil,"USER Select points");
    while( ProMousePickGet(PRO_LEFT_BUTTON,&button,point) == PRO_TK_NO_ERROR
	   &&  button == PRO_LEFT_BUTTON )
    {
/*---------------------------------------------------------------------*\
        Draw a small circle at the point
\*---------------------------------------------------------------------*/
        ProGraphicsCircleDraw(point,5.1);

/*---------------------------------------------------------------------*\
        At the first point, just move there;
        at subsequent points, draw line from the previous point.
\*---------------------------------------------------------------------*/
        if(first)
        {
            ProGraphicsPenPosition(point);
            first = 0;
        }
        else
            ProGraphicsLineDraw(point);
    }

/*---------------------------------------------------------------------*\
    Set the color back.
\*---------------------------------------------------------------------*/
    err=ProGraphicsColorSet(old_color,&dummy_color);
    ERROR_CHECK("UserDraw","ProGraphicsColorSet(reset)",err);

    return ( err );
}