/* $Id: AtConverters.c,v 1.1 91/05/20 15:10:57 gnb Exp $ */
/* $Source: /export/sources/x/At/Plotter/tmp/RCS/AtConverters.c,v $ */

/*

Copyright 1990,1991 by the Massachusetts Institute of Technology

All rights reserved.

Permission to use, copy, modify, and distribute this software and its
documentation for any purpose and without fee is hereby granted,
provided that the above copyright notice appear in all copies and that
both that copyright notice and this permission notice appear in
supporting documentation, and that the name of the Massachusetts
Institute of Technology (M.I.T.) not be used in advertising or publicity
pertaining to distribution of the software without specific, written
prior permission.

M.I.T. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
M.I.T. BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
SOFTWARE.

*/

/*
 * $Log:	AtConverters.c,v $
 * Revision 1.1  91/05/20  15:10:57  gnb
 * Initial revision
 * 
 * 
 */

#include <stdio.h>
#include <string.h>
#include <X11/Intrinsic.h>
#include <X11/StringDefs.h>

#ifdef _AtDevelopment_
#include "AtConverters.h"
#include "Text.h"
#include "FontFamily.h"
#include "Plot.h"
#else
#include <At/AtConverters.h>
#include <At/Text.h>
#include <At/FontFamily.h>
#include <At/Plot.h>
#endif

extern int strcasecmp P((const char *, const char *));

/**********************************************************************/

void AtCvtStringToDouble (args, num_args, from, to)
     XrmValue *args;
     Cardinal *num_args;
     XrmValue *from;
     XrmValue *to;
{
  static double value;
  extern double atof();

  if (*num_args != 0)
    XtErrorMsg("cvtStringToDouble","wrong Parameters","XtToolkitError",
	       "String to double conversion takes no arguments", 
	       (String *)NULL, (Cardinal *)NULL);
  
  value = atof(from->addr);
  to->size = (unsigned int) sizeof(double);
  to->addr = (caddr_t) &value;
}

void AtRegisterDoubleConverter()
{
  static Boolean registered = False;

  if (registered == False) {
    XtAddConverter(XtRString, XtRDouble, AtCvtStringToDouble, NULL, 0);
    registered = True;
  }
}

/**********************************************************************/

void AtCvtStringToFontSize (args, nargs, fromVal, toVal)
     XrmValue *args;
     Cardinal *nargs;
     XrmValue *fromVal, *toVal;
{
  static int result;
  
  result = AtFontStringToSize ((char*)fromVal->addr);
  toVal->addr = (caddr_t) &result;
  toVal->size = (unsigned int) sizeof (int);
}

void AtRegisterFontSizeConverter()
{
  static Boolean registered = False;

  if (registered == False) {
    XtAddConverter(XtRString, XtRFontSize, AtCvtStringToFontSize, NULL, 0);
    registered = True;
  }
}

/**********************************************************************/
    
void AtCvtStringToFontStyle (args, nargs, fromVal, toVal)
     XrmValue *args;
     Cardinal *nargs;
     XrmValue *fromVal, *toVal;
{
  static int result;

  toVal->addr = (caddr_t) &result;
  toVal->size = (unsigned int) sizeof(int);

  if (!strcasecmp ((char*)fromVal->addr, "plain"))
    result =  AtFontPLAIN;
  else if (!strcasecmp ((char*)fromVal->addr, "bold"))
    result =  AtFontBOLD;
  else if (!strcasecmp ((char*)fromVal->addr, "italic"))
    result =  AtFontITALIC;
  else if (!strcasecmp ((char*)fromVal->addr, "bolditalic"))
    result =  AtFontBOLDITALIC;
  else {
    XtWarning("Illegal font style -- using AtFontPLAIN");
    result = AtFontPLAIN;
  }
}

void AtRegisterFontStyleConverter()
{
  static Boolean registered = False;

  if (registered == False) {
    XtAddConverter(XtRString, XtRFontStyle, AtCvtStringToFontStyle, NULL, 0);
    registered = True;
  }
}

/**********************************************************************/
   
void AtCvtStringToJustify (args, nargs, fromVal, toVal)
     XrmValue *args;
     Cardinal *nargs;
     XrmValue *fromVal, *toVal;
{
  static int result;

  toVal->addr = (caddr_t) &result;
  toVal->size = (unsigned int) sizeof(int);

    if (!strcasecmp ((char*)fromVal->addr, "left"))
    result =  AtTextJUSTIFY_LEFT;
  else if (!strcasecmp ((char*)fromVal->addr, "top"))
    result =  AtTextJUSTIFY_TOP;
  else if (!strcasecmp ((char*)fromVal->addr, "center"))
    result =  AtTextJUSTIFY_CENTER;
  else if (!strcasecmp ((char*)fromVal->addr, "right"))
    result = AtTextJUSTIFY_RIGHT;
  else if (!strcasecmp ((char*)fromVal->addr, "bottom"))
    result = AtTextJUSTIFY_BOTTOM;
  else {
    XtWarning("Illegal justification");
    result = AtTextJUSTIFY_CENTER;
  }
}

void AtRegisterJustifyConverter()
{
  static Boolean registered = False;

  if (registered == False) {
    XtAddConverter(XtRString, XtRAtJustify, AtCvtStringToJustify, NULL, 0);
    registered = True;
  }
}

/**********************************************************************/

void AtCvtStringToLinestyle (args, nargs, fromVal, toVal)
     XrmValue *args;
     Cardinal *nargs;
     XrmValue *fromVal, *toVal;
{
  static int result;

  toVal->addr = (caddr_t) &result;
  toVal->size = (unsigned int) sizeof(int);

  if (!strcasecmp ((char*)fromVal->addr, "linesolid"))
    result =  LineSolid;
  else if (!strcasecmp ((char*)fromVal->addr, "linedoubledash"))
    result =  LineDoubleDash;
  else if (!strcasecmp ((char*)fromVal->addr, "lineonoffdash"))
    result =  LineOnOffDash;
  else {
    XtWarning("Illegal linestyle -- using LineSolid");
    result = LineSolid;
  }
}

void AtRegisterLinestyleConverter()
{
  static Boolean registered = False;

  if (registered == False) {
    XtAddConverter(XtRString, XtRLinestyle, AtCvtStringToLinestyle, NULL, 0);
    registered = True;
  }
}

/**********************************************************************/

void AtCvtStringToMarker (args, nargs, fromVal, toVal)
     XrmValue *args;
     Cardinal *nargs;
     XrmValue *fromVal, *toVal;
{
  static int result;

  toVal->addr = (caddr_t) &result;
  toVal->size = (unsigned int) sizeof(int);
  
  if (!strcasecmp ((char*)fromVal->addr, "circle"))
    result =  AtMarkerCIRCLE;
  else if (!strcasecmp ((char*)fromVal->addr, "square"))
    result =  AtMarkerSQUARE;
  else if (!strcasecmp ((char*)fromVal->addr, "triangle"))
    result =  AtMarkerTRIANGLE;
  else if (!strcasecmp ((char*)fromVal->addr, "cross"))
    result =  AtMarkerCROSS;
  else if (!strcasecmp ((char*)fromVal->addr, "star"))
    result =  AtMarkerSTAR;
  else if (!strcasecmp ((char*)fromVal->addr, "diamond"))
    result =  AtMarkerDIAMOND;
  else if (!strcasecmp ((char*)fromVal->addr, "point"))
    result =  AtMarkerPOINT;
  else {
    XtWarning("Illegal marker -- using AtMarkerCIRCLE");
    result = AtMarkerCIRCLE;
  }
}

void AtRegisterMarkerConverter()
{
  static Boolean registered = False;

  if (registered == False) {
    XtAddConverter(XtRString, XtRAtMarker, AtCvtStringToMarker, NULL, 0);
    registered = True;
  }
}

/* This is for the currently unused barchart widget */
#if 0

/**********************************************************************/

void AtCvtStringToPattern (args, nargs, fromVal, toVal)
     XrmValue *args;
     Cardinal *nargs;
     XrmValue *fromVal, *toVal;
{
  static int result;

  toVal->addr = (caddr_t) &result;
  toVal->size = (unsigned int) sizeof(int);


  if (!strcasecmp ((char*)fromVal->addr, "gray0"))
    result =  AtGRAY0;
  else if (!strcasecmp ((char*)fromVal->addr, "gray1"))
    result =  AtGRAY1;
  else if (!strcasecmp ((char*)fromVal->addr, "gray2"))
    result =  AtGRAY2;
  else if (!strcasecmp ((char*)fromVal->addr, "gray3"))
    result =  AtGRAY3;
  else if (!strcasecmp ((char*)fromVal->addr, "gray4"))
    result =  AtGRAY4;
  else if (!strcasecmp ((char*)fromVal->addr, "gray5"))
    result =  AtGRAY5;
  else {
    XtWarning("Illegal Pattern");
    result = AtGRAY0;
  }
}

void AtRegisterPatternConverter()
{
  static Boolean registered = False;
  
  if (registered == False) {
    XtAddConverter(XtRString, XtRPattern, AtCvtStringToPattern, NULL, 0);
    registered = True;
  }
}
#endif