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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.
*/
extern "C" {
#include "bltGraph.h"
#include "bltOp.h"
};
#include "bltGrPageSetupOp.h"
#include "bltPs.h"
static int CgetOp(Graph* graphPtr, Tcl_Interp* interp,
int objc, Tcl_Obj* const objv[])
{
if (objc != 4) {
Tcl_WrongNumArgs(interp, 2, objv, "cget option");
return TCL_ERROR;
}
PageSetup *setupPtr = graphPtr->pageSetup_;
Tcl_Obj* objPtr = Tk_GetOptionValue(interp,
(char*)setupPtr,
setupPtr->optionTable,
objv[3], graphPtr->tkwin_);
if (objPtr == NULL)
return TCL_ERROR;
else
Tcl_SetObjResult(interp, objPtr);
return TCL_OK;
}
static int ConfigureOp(Graph* graphPtr, Tcl_Interp* interp,
int objc, Tcl_Obj* const objv[])
{
PageSetup* setupPtr = graphPtr->pageSetup_;
if (objc <= 4) {
Tcl_Obj* objPtr = Tk_GetOptionInfo(interp, (char*)setupPtr,
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 PageSetupObjConfigure(interp, graphPtr, objc-3, objv+3);
}
static int OutputOp(Graph* graphPtr, Tcl_Interp* interp,
int objc, Tcl_Obj* const objv[])
{
const char *fileName = NULL;
Tcl_Channel channel = NULL;
if (objc > 3) {
fileName = Tcl_GetString(objv[3]);
if (fileName[0] != '-') {
objv++, objc--; /* First argument is the file name. */
channel = Tcl_OpenFileChannel(interp, fileName, "w", 0666);
if (!channel)
return TCL_ERROR;
if (Tcl_SetChannelOption(interp, channel, "-translation", "binary")
!= TCL_OK)
return TCL_ERROR;
}
}
PostScript *psPtr = Blt_Ps_Create(graphPtr->interp_, graphPtr->pageSetup_);
if (PageSetupObjConfigure(interp, graphPtr, objc-3, objv+3) != TCL_OK) {
if (channel)
Tcl_Close(interp, channel);
Blt_Ps_Free(psPtr);
return TCL_ERROR;
}
if (graphPtr->print(fileName, psPtr) != TCL_OK) {
if (channel)
Tcl_Close(interp, channel);
Blt_Ps_Free(psPtr);
return TCL_ERROR;
}
int length;
const char *buffer = Blt_Ps_GetValue(psPtr, &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);
Blt_Ps_Free(psPtr);
return TCL_ERROR;
}
Tcl_Close(interp, channel);
}
else
Tcl_SetStringObj(Tcl_GetObjResult(interp), buffer, length);
Blt_Ps_Free(psPtr);
return TCL_OK;
}
static Blt_OpSpec psOps[] =
{
{"cget", 2, (void*)CgetOp, 4, 4, "option",},
{"configure", 2, (void*)ConfigureOp, 3, 0, "?option value?...",},
{"output", 1, (void*)OutputOp, 3, 0, "?fileName? ?option value?...",},
};
static int nPsOps = sizeof(psOps) / sizeof(Blt_OpSpec);
typedef int (GraphPsProc)(Graph* graphPtr, Tcl_Interp* interp, int objc,
Tcl_Obj* const objv[]);
int Blt_PostScriptOp(Graph* graphPtr, Tcl_Interp* interp, int objc,
Tcl_Obj* const objv[])
{
GraphPsProc* proc = (GraphPsProc*)Blt_GetOpFromObj(interp, nPsOps, psOps, BLT_OP_ARG2, objc, objv, 0);
if (!proc)
return TCL_ERROR;
return (*proc)(graphPtr, interp, objc, objv);
}
// Support
static void AddComments(Blt_Ps ps, const char **comments)
{
const char **p;
for (p = comments; *p; p += 2) {
if (*(p+1) == NULL) {
break;
}
Blt_Ps_Format(ps, "%% %s: %s\n", *p, *(p+1));
}
}
int PostScriptPreamble(Graph* graphPtr, const char *fileName, Blt_Ps ps)
{
PageSetup *setupPtr = graphPtr->pageSetup_;
time_t ticks;
char date[200]; /* Holds the date string from ctime() */
char *newline;
if (fileName == NULL) {
fileName = Tk_PathName(graphPtr->tkwin_);
}
Blt_Ps_Append(ps, "%!PS-Adobe-3.0 EPSF-3.0\n");
/*
* The "BoundingBox" comment is required for EPS files. The box
* coordinates are integers, so we need round away from the center of the
* box.
*/
Blt_Ps_Format(ps, "%%%%BoundingBox: %d %d %d %d\n",
setupPtr->left, setupPtr->paperHeight - setupPtr->top,
setupPtr->right, setupPtr->paperHeight - setupPtr->bottom);
Blt_Ps_Append(ps, "%%Pages: 0\n");
Blt_Ps_Format(ps, "%%%%Creator: (%s %s %s)\n",
PACKAGE_NAME, PACKAGE_VERSION, Tk_Class(graphPtr->tkwin_));
ticks = time((time_t *) NULL);
strcpy(date, ctime(&ticks));
newline = date + strlen(date) - 1;
if (*newline == '\n') {
*newline = '\0';
}
Blt_Ps_Format(ps, "%%%%CreationDate: (%s)\n", date);
Blt_Ps_Format(ps, "%%%%Title: (%s)\n", fileName);
Blt_Ps_Append(ps, "%%DocumentData: Clean7Bit\n");
if (setupPtr->landscape) {
Blt_Ps_Append(ps, "%%Orientation: Landscape\n");
} else {
Blt_Ps_Append(ps, "%%Orientation: Portrait\n");
}
Blt_Ps_Append(ps, "%%DocumentNeededResources: font Helvetica Courier\n");
AddComments(ps, setupPtr->comments);
Blt_Ps_Append(ps, "%%EndComments\n\n");
if (Blt_Ps_IncludeFile(graphPtr->interp_, ps, "bltGraph.pro") != TCL_OK) {
return TCL_ERROR;
}
if (setupPtr->footer) {
const char *who;
who = getenv("LOGNAME");
if (who == NULL) {
who = "???";
}
Blt_Ps_VarAppend(ps,
"8 /Helvetica SetFont\n",
"10 30 moveto\n",
"(Date: ", date, ") show\n",
"10 20 moveto\n",
"(File: ", fileName, ") show\n",
"10 10 moveto\n",
"(Created by: ", who, "@", Tcl_GetHostName(), ") show\n",
"0 0 moveto\n",
(char *)NULL);
}
/*
* Set the conversion from PostScript to X11 coordinates. Scale pica to
* pixels and flip the y-axis (the origin is the upperleft corner).
*/
Blt_Ps_VarAppend(ps,
"% Transform coordinate system to use X11 coordinates\n\n",
"% 1. Flip y-axis over by reversing the scale,\n",
"% 2. Translate the origin to the other side of the page,\n",
"% making the origin the upper left corner\n", (char *)NULL);
Blt_Ps_Format(ps, "1 -1 scale\n");
/* Papersize is in pixels. Translate the new origin *after* changing the
* scale. */
Blt_Ps_Format(ps, "0 %d translate\n\n", -setupPtr->paperHeight);
Blt_Ps_VarAppend(ps, "% User defined page layout\n\n",
"% Set color level\n", (char *)NULL);
Blt_Ps_Format(ps, "%% Set origin\n%d %d translate\n\n",
setupPtr->left, setupPtr->bottom);
if (setupPtr->landscape) {
Blt_Ps_Format(ps,
"%% Landscape orientation\n0 %g translate\n-90 rotate\n",
((double)graphPtr->width_ * setupPtr->scale));
}
Blt_Ps_Append(ps, "\n%%EndSetup\n\n");
return TCL_OK;
}
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