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/*
* Smithsonian Astrophysical Observatory, Cambridge, MA, USA
* This code has been modified under the terms listed below and is made
* available under the same terms.
*/
/*
* Copyright 1993-2004 George A Howlett.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <stdlib.h>
#include <string.h>
#include <float.h>
#include "bltGrMarker.h"
#include "bltGrMarkerOption.h"
#include "bltConfig.h"
using namespace Blt;
static Tcl_Obj* PrintCoordinate(double x);
static int GetCoordinate(Tcl_Interp* interp, Tcl_Obj *objPtr, double *valuePtr);
static Tk_CustomOptionSetProc CoordsSetProc;
static Tk_CustomOptionGetProc CoordsGetProc;
static Tk_CustomOptionFreeProc CoordsFreeProc;
Tk_ObjCustomOption coordsObjOption =
{
"coords", CoordsSetProc, CoordsGetProc, RestoreProc, CoordsFreeProc, NULL
};
static int CoordsSetProc(ClientData clientData, Tcl_Interp* interp,
Tk_Window tkwin, Tcl_Obj** objPtr, char* widgRec,
int offset, char* savePtr, int flags)
{
Coords** coordsPtrPtr = (Coords**)(widgRec + offset);
*(double*)savePtr = *(double*)coordsPtrPtr;
if (!coordsPtrPtr)
return TCL_OK;
int objc;
Tcl_Obj** objv;
if (Tcl_ListObjGetElements(interp, *objPtr, &objc, &objv) != TCL_OK)
return TCL_ERROR;
if (objc == 0) {
*coordsPtrPtr = NULL;
return TCL_OK;
}
if (objc & 1) {
Tcl_AppendResult(interp, "odd number of marker coordinates specified",NULL);
return TCL_ERROR;
}
Coords* coordsPtr = (Coords*)calloc(1,sizeof(Coords));
coordsPtr->num = objc/2;
coordsPtr->points = (Point2d*)calloc(coordsPtr->num, sizeof(Point2d));
Point2d* pp = coordsPtr->points;
for (int ii=0; ii<objc; ii+=2) {
double x, y;
if ((GetCoordinate(interp, objv[ii], &x) != TCL_OK) ||
(GetCoordinate(interp, objv[ii+1], &y) != TCL_OK))
return TCL_ERROR;
pp->x = x;
pp->y = y;
pp++;
}
*coordsPtrPtr = coordsPtr;
return TCL_OK;
}
static Tcl_Obj* CoordsGetProc(ClientData clientData, Tk_Window tkwin,
char *widgRec, int offset)
{
Coords* coordsPtr = *(Coords**)(widgRec + offset);
if (!coordsPtr)
return Tcl_NewListObj(0, NULL);
int cnt = coordsPtr->num*2;
Tcl_Obj** ll = (Tcl_Obj**)calloc(cnt, sizeof(Tcl_Obj*));
Point2d* pp = coordsPtr->points;
for (int ii=0; ii<cnt; pp++) {
ll[ii++] = PrintCoordinate(pp->x);
ll[ii++] = PrintCoordinate(pp->y);
}
Tcl_Obj* listObjPtr = Tcl_NewListObj(cnt, ll);
free(ll);
return listObjPtr;
}
static void CoordsFreeProc(ClientData clientData, Tk_Window tkwin,
char *ptr)
{
Coords* coordsPtr = *(Coords**)ptr;
if (coordsPtr) {
if (coordsPtr->points)
free(coordsPtr->points);
free(coordsPtr);
}
}
static Tk_CustomOptionSetProc CapStyleSetProc;
static Tk_CustomOptionGetProc CapStyleGetProc;
Tk_ObjCustomOption capStyleObjOption =
{
"capStyle", CapStyleSetProc, CapStyleGetProc, NULL, NULL, NULL
};
static int CapStyleSetProc(ClientData clientData, Tcl_Interp* interp,
Tk_Window tkwin, Tcl_Obj** objPtr, char* widgRec,
int offset, char* save, int flags)
{
int* ptr = (int*)(widgRec + offset);
Tk_Uid uid = Tk_GetUid(Tcl_GetString(*objPtr));
int cap;
if (Tk_GetCapStyle(interp, uid, &cap) != TCL_OK)
return TCL_ERROR;
*ptr = cap;
return TCL_OK;
}
static Tcl_Obj* CapStyleGetProc(ClientData clientData, Tk_Window tkwin,
char *widgRec, int offset)
{
int* ptr = (int*)(widgRec + offset);
return Tcl_NewStringObj(Tk_NameOfCapStyle(*ptr), -1);
}
static Tk_CustomOptionSetProc JoinStyleSetProc;
static Tk_CustomOptionGetProc JoinStyleGetProc;
Tk_ObjCustomOption joinStyleObjOption =
{
"joinStyle", JoinStyleSetProc, JoinStyleGetProc, NULL, NULL, NULL
};
static int JoinStyleSetProc(ClientData clientData, Tcl_Interp* interp,
Tk_Window tkwin, Tcl_Obj** objPtr, char* widgRec,
int offset, char* save, int flags)
{
int* ptr = (int*)(widgRec + offset);
Tk_Uid uid = Tk_GetUid(Tcl_GetString(*objPtr));
int join;
if (Tk_GetJoinStyle(interp, uid, &join) != TCL_OK)
return TCL_ERROR;
*ptr = join;
return TCL_OK;
}
static Tcl_Obj* JoinStyleGetProc(ClientData clientData, Tk_Window tkwin,
char *widgRec, int offset)
{
int* ptr = (int*)(widgRec + offset);
return Tcl_NewStringObj(Tk_NameOfJoinStyle(*ptr), -1);
}
static Tcl_Obj* PrintCoordinate(double x)
{
if (x == DBL_MAX)
return Tcl_NewStringObj("+Inf", -1);
else if (x == -DBL_MAX)
return Tcl_NewStringObj("-Inf", -1);
else
return Tcl_NewDoubleObj(x);
}
static int GetCoordinate(Tcl_Interp* interp, Tcl_Obj *objPtr, double *valuePtr)
{
const char* expr = Tcl_GetString(objPtr);
char c = expr[0];
if ((c == 'I') && (strcmp(expr, "Inf") == 0))
*valuePtr = DBL_MAX; /* Elastic upper bound */
else if ((c == '-') && (expr[1] == 'I') && (strcmp(expr, "-Inf") == 0))
*valuePtr = -DBL_MAX; /* Elastic lower bound */
else if ((c == '+') && (expr[1] == 'I') && (strcmp(expr, "+Inf") == 0))
*valuePtr = DBL_MAX; /* Elastic upper bound */
else if (Tcl_GetDoubleFromObj(interp, objPtr, valuePtr) != TCL_OK)
return TCL_ERROR;
return TCL_OK;
}
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