REQUEST STROKE

PREQ_STROKE

CALL SEQUENCE

void preq_stroke(

Pint	ws_id,	/* workstation identifier	*/
Pint	stroke_dev,	/* stroke device number	*/
Pin_status 	*status,	/* (out) input status	*/
Pint	*view_index,	/* (out) view index	*/
Ppoint_list	*stroke	/* (out) stroke positions	*/

)

TYPES

typedef enum {
	PIN_STATUS_NONE, 
	PIN_STATUS_OK, 
	PIN_STATUS_NO_IN
} Pin_status;

typedef struct {
	Pint	num_points;	/* number of Ppoints in the list	*/
	Ppoint	*points;	/* list of points	*/
} Ppoint_list;

typedef struct {
	Pfloat 	x;	/* x coordinate	*/
	Pfloat 	y;	/* y coordinate	*/
} Ppoint;

PHIGS STATE

EFFECT

ERRORS

3

Ignoring function, function requires state (PHOP, WSOP,*,*)

54

Ignoring function, the specified workstation is not open

61

Ignoring function, specified workstation is neither of category INPUT nor of category OUTIN

250

Ignoring function, the specified device is not available on the specified workstation

251

Ignoring function, the function requires the input device to be in REQUEST mode

SEE ALSO