/* $Id: draw.h,v 1.40 1997/03/26 01:38:58 bsmith Exp bsmith $ */
/*
  Public include file for all of the PETSc graphics routines
*/
#if !defined(__DRAW_PACKAGE)
#define __DRAW_PACKAGE
#include "petsc.h"

#define DRAW_COOKIE PETSC_COOKIE+6

/* types of draw contexts */
#define DRAW_XWINDOW    0
#define DRAW_NULLWINDOW 1
#define DRAW_VRML       2
 
typedef struct _Draw* Draw;

#define DRAW_WHITE       0
#define DRAW_BLACK       1
#define DRAW_RED         2
#define DRAW_GREEN       3
#define DRAW_CYAN        4
#define DRAW_BLUE        5
#define DRAW_MAGENTA     6
#define DRAW_AQUAMARINE  7
#define DRAW_FORESTGREEN 8
#define DRAW_ORANGE      9
#define DRAW_VIOLET      10
#define DRAW_BROWN       11
#define DRAW_PINK        12
#define DRAW_CORAL       13
#define DRAW_GRAY        14
#define DRAW_YELLOW      15

extern int DrawOpenX(MPI_Comm,char *,char *,int,int,int,int,Draw*);
extern int DrawOpenVRML( MPI_Comm, char *, char *, Draw * );

extern int DrawOpenNull(MPI_Comm,Draw *);
extern int DrawDestroy(Draw);
extern int DrawIsNull(Draw,PetscTruth*);

extern int DrawCreatePopUp(Draw,Draw*);
extern int DrawCheckResizedWindow(Draw);

extern int DrawScalePopup(Draw,double min,double max); 

extern int DrawLine(Draw,double,double,double,double,int);
extern int DrawLineSetWidth(Draw,double);
extern int DrawLineGetWidth(Draw,double*);

extern int DrawPoint(Draw,double,double,int);
extern int DrawPointSetSize(Draw,double);

extern int DrawRectangle(Draw,double,double,double,double,int,int,int,int);
extern int DrawTriangle(Draw,double,double,double,double,double,double,int,int,int);
extern int DrawTensorContourPatch(Draw,int,int,double*,double*,double,double,Scalar*);

extern int DrawText(Draw,double,double,int,char*);
extern int DrawTextVertical(Draw,double,double,int,char*);
extern int DrawTextSetSize(Draw,double,double);
extern int DrawTextGetSize(Draw,double*,double*);

extern int DrawSetViewPort(Draw,double,double,double,double);
extern int DrawSetCoordinates(Draw,double,double,double,double);
extern int DrawGetCoordinates(Draw,double*,double*,double*,double*);

extern int DrawSetTitle(Draw,char *);
extern int DrawAppendTitle(Draw,char *);
extern int DrawGetTitle(Draw,char **);

extern int DrawSetPause(Draw,int);
extern int DrawGetPause(Draw,int*);
extern int DrawPause(Draw);
extern int DrawSetDoubleBuffer(Draw);
extern int DrawFlush(Draw);
extern int DrawSyncFlush(Draw);
extern int DrawClear(Draw);
extern int DrawSyncClear(Draw);
extern int DrawBOP(Draw);
extern int DrawEOP(Draw);

typedef enum {BUTTON_NONE, BUTTON_LEFT, BUTTON_CENTER, BUTTON_RIGHT } DrawButton;
extern int DrawGetMouseButton(Draw,DrawButton *,double*,double *,double *,double *);

/*
    Routines for drawing X-Y axises in a Draw object
*/
typedef struct _DrawAxis* DrawAxis;
#define DRAWAXIS_COOKIE PETSC_COOKIE+16
extern int DrawAxisCreate(Draw,DrawAxis *);
extern int DrawAxisDestroy(DrawAxis);
extern int DrawAxisDraw(DrawAxis);
extern int DrawAxisSetLimits(DrawAxis,double,double,double,double);
extern int DrawAxisSetColors(DrawAxis,int,int,int);
extern int DrawAxisSetLabels(DrawAxis,char*,char*,char*);

/*
    Routines to draw line curves in X-Y space
*/
typedef struct _DrawLG*   DrawLG;
#define DRAWLG_COOKIE PETSC_COOKIE+7
extern int DrawLGCreate(Draw,int,DrawLG *);
extern int DrawLGDestroy(DrawLG);
extern int DrawLGAddPoint(DrawLG,double*,double*);
extern int DrawLGAddPoints(DrawLG,int,double**,double**);
extern int DrawLGDraw(DrawLG);
extern int DrawLGReset(DrawLG);
extern int DrawLGSetDimension(DrawLG,int);
extern int DrawLGGetAxis(DrawLG,DrawAxis *);
extern int DrawLGGetDraw(DrawLG,Draw *);
extern int DrawLGIndicateDataPoints(DrawLG);
extern int DrawLGSetLimits(DrawLG,double,double,double,double); 

/*
    Routines to draw scatter plots in complex space
*/
typedef struct _DrawSP*   DrawSP;
#define DRAWSP_COOKIE PETSC_COOKIE+27
extern int DrawSPCreate(Draw,int,DrawSP *);
extern int DrawSPDestroy(DrawSP);
extern int DrawSPAddPoint(DrawSP,double*,double*);
extern int DrawSPAddPoints(DrawSP,int,double**,double**);
extern int DrawSPDraw(DrawSP);
extern int DrawSPReset(DrawSP);
extern int DrawSPSetDimension(DrawSP,int);
extern int DrawSPGetAxis(DrawSP,DrawAxis *);
extern int DrawSPGetDraw(DrawSP,Draw *);
extern int DrawSPSetLimits(DrawSP,double,double,double,double); 

/*
    Viewer routines that allow you to access underlying Draw objects
*/
extern int ViewerDrawGetDraw(Viewer, Draw*);
extern int ViewerDrawGetDrawLG(Viewer, DrawLG*);

/* Mesh management routines */
typedef struct _DrawMesh* DrawMesh;
int DrawMeshCreate( DrawMesh *, 
		    double *, double *, double *,
		    int, int, int, int, int, int, int, int, int,
		    int, int, int, int, double *, int );
int DrawMeshCreateSimple( DrawMesh *, double *, double *, double *,
			  int, int, int, int, double *, int );
int DrawMeshDestroy( DrawMesh * );

/* Color spectrum managment */
typedef void (*VRMLGetHue_fcn)( double, void *, int, double *, double *, 
				double * );

void *VRMLFindHue_setup( DrawMesh, int );
void VRMLFindHue( double, void *, int, double *, double *, double * );
void VRMLFindHue_destroy( void * );
void *VRMLGetHue_setup( DrawMesh, int );
void VRMLGetHue( double, void *, int, double *, double *, double * );
void VRMLGetHue_destroy( void * );


int DrawTensorSurfaceContour(Draw,DrawMesh,VRMLGetHue_fcn, void *, int );
int DrawTensorMapMesh( Draw, DrawMesh, double, double, double, int, int );
int DrawTensorMapSurfaceContour(Draw,DrawMesh,double,double,double,
				int,int, VRMLGetHue_fcn, void *, int,double);
int DrawTensorSurface(Draw, DrawMesh, int);
/*int DrawTensorMapSurfaceContourAndMesh_VRML(Draw,DrawMesh,int); */


#endif