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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 1991-2004 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 <tk.h>
#include "tkbltGraph.h"
#include "tkbltGrPostscript.h"
#include "tkbltGrPostscriptOp.h"
#include "tkbltGrPSOutput.h"
using namespace Blt;
int Blt::PostscriptObjConfigure(Graph* graphPtr, Tcl_Interp* interp,
int objc, Tcl_Obj* const objv[])
{
Postscript* setupPtr = graphPtr->postscript_;
Tk_SavedOptions savedOptions;
int mask =0;
int error;
Tcl_Obj* errorResult;
for (error=0; error<=1; error++) {
if (!error) {
if (Tk_SetOptions(interp, (char*)setupPtr->ops_, setupPtr->optionTable_,
objc, objv, graphPtr->tkwin_, &savedOptions, &mask)
!= TCL_OK)
continue;
}
else {
errorResult = Tcl_GetObjResult(interp);
Tcl_IncrRefCount(errorResult);
Tk_RestoreSavedOptions(&savedOptions);
}
break;
}
if (!error) {
Tk_FreeSavedOptions(&savedOptions);
return TCL_OK;
}
else {
Tcl_SetObjResult(interp, errorResult);
Tcl_DecrRefCount(errorResult);
return TCL_ERROR;
}
}
static int CgetOp(ClientData clientData, Tcl_Interp* interp,
int objc, Tcl_Obj* const objv[])
{
Graph* graphPtr = (Graph*)clientData;
if (objc != 4) {
Tcl_WrongNumArgs(interp, 2, objv, "cget option");
return TCL_ERROR;
}
Postscript *setupPtr = graphPtr->postscript_;
Tcl_Obj* objPtr = Tk_GetOptionValue(interp,
(char*)setupPtr->ops_,
setupPtr->optionTable_,
objv[3], graphPtr->tkwin_);
if (objPtr == NULL)
return TCL_ERROR;
else
Tcl_SetObjResult(interp, objPtr);
return TCL_OK;
}
static int ConfigureOp(ClientData clientData, Tcl_Interp* interp,
int objc, Tcl_Obj* const objv[])
{
Graph* graphPtr = (Graph*)clientData;
Postscript* setupPtr = graphPtr->postscript_;
if (objc <= 4) {
Tcl_Obj* objPtr = Tk_GetOptionInfo(interp, (char*)setupPtr->ops_,
setupPtr->optionTable_,
(objc == 4) ? objv[3] : NULL,
graphPtr->tkwin_);
if (objPtr == NULL)
return TCL_ERROR;
else
Tcl_SetObjResult(interp, objPtr);
return TCL_OK;
}
else
return PostscriptObjConfigure(graphPtr, interp, objc-3, objv+3);
}
static int OutputOp(ClientData clientData, Tcl_Interp* interp,
int objc, Tcl_Obj* const objv[])
{
Graph* graphPtr = (Graph*)clientData;
const char *fileName = NULL;
Tcl_Channel channel = NULL;
if (objc > 3) {
fileName = Tcl_GetString(objv[3]);
if (fileName[0] != '-') {
// First argument is the file name
objv++, objc--;
channel = Tcl_OpenFileChannel(interp, fileName, "w", 0666);
if (!channel)
return TCL_ERROR;
if (Tcl_SetChannelOption(interp, channel, "-translation", "binary")
!= TCL_OK)
return TCL_ERROR;
}
}
PSOutput* psPtr = new PSOutput(graphPtr);
if (PostscriptObjConfigure(graphPtr, interp, objc-3, objv+3) != TCL_OK) {
if (channel)
Tcl_Close(interp, channel);
delete psPtr;
return TCL_ERROR;
}
if (graphPtr->print(fileName, psPtr) != TCL_OK) {
if (channel)
Tcl_Close(interp, channel);
delete psPtr;
return TCL_ERROR;
}
int length;
const char* buffer = psPtr->getValue(&length);
if (channel) {
int nBytes = Tcl_Write(channel, buffer, length);
if (nBytes < 0) {
Tcl_AppendResult(interp, "error writing file \"", fileName, "\": ",
Tcl_PosixError(interp), (char *)NULL);
if (channel)
Tcl_Close(interp, channel);
delete psPtr;
return TCL_ERROR;
}
Tcl_Close(interp, channel);
}
else
Tcl_SetStringObj(Tcl_GetObjResult(interp), buffer, length);
delete psPtr;
return TCL_OK;
}
const Ensemble Blt::postscriptEnsemble[] = {
{"cget", CgetOp, 0},
{"configure", ConfigureOp, 0},
{"output", OutputOp, 0},
{ 0,0,0 }
};
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