diff options
Diffstat (limited to 'tkblt/generic/tkbltGrPostscriptOp.C')
| -rw-r--r-- | tkblt/generic/tkbltGrPostscriptOp.C | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/tkblt/generic/tkbltGrPostscriptOp.C b/tkblt/generic/tkbltGrPostscriptOp.C new file mode 100644 index 0000000..931feb9 --- /dev/null +++ b/tkblt/generic/tkbltGrPostscriptOp.C @@ -0,0 +1,183 @@ +/* + * 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 } +}; |