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/*
* PostScript.c -- Implementation of PostScript driver.
*
* Authors : Patrick Lecoanet.
* Creation date : Tue Jan 3 13:17:17 1995
*
* $Id$
*/
/*
* Copyright (c) 1993 - 1999 CENA, Patrick Lecoanet --
*
* This code is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This code is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this code; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
/*
**********************************************************************************
*
* Included files
*
**********************************************************************************
*/
#include <malloc.h>
#include <unistd.h>
#include <stdio.h>
#include <pwd.h>
#include <sys/types.h>
#include <time.h>
#include "Item.h"
#include "PostScript.h"
#include "WidgetInfo.h"
#include "Geo.h"
/*
**********************************************************************************
*
* Constants.
*
**********************************************************************************
*/
static const char rcsid[] = "$Id$";
static const char compile_id[]="$Compile: " __FILE__ " " __DATE__ " " __TIME__ " $";
#define PROLOG_VERSION 1.0
#define PROLOG_REVISION 0
static char ps_prolog[] = "";
/*
**********************************************************************************
*
* SetPostScriptFont --
*
**********************************************************************************
*/
static void
SetPostScriptFont(WidgetInfo *wi,
PostScriptInfo ps_info,
XFontStruct *fs)
{
}
/*
**********************************************************************************
*
* EmitPostScript --
*
**********************************************************************************
*/
static void
EmitPostScript(WidgetInfo *wi,
FILE *file,
char *title,
RadarBool landscape,
int color_mode,
int x_world,
int y_world,
int world_width,
int world_height,
int bbox_ox,
int bbox_oy,
int bbox_cx,
int bbox_cy)
{
PostScriptInfo ps_info;
/* double scale;*/
RadarBBox damaged_area, bbox;
Item current_item;
struct passwd *pwd_info;
time_t now;
char *s;
XFontStruct *fs;
int i;
ps_info = (PostScriptInfo) RadarMalloc(sizeof(PostScriptStruct));
ps_info->file = file;
ps_info->title = title;
ps_info->landscape = landscape;
ps_info->color_mode = color_mode;
ps_info->x_world = x_world;
ps_info->y_world = y_world;
ps_info->world_width = world_width;
ps_info->world_height = world_height;
ps_info->page_bbox.orig.x = bbox_ox;
ps_info->page_bbox.orig.y = bbox_oy;
ps_info->page_bbox.corner.x = bbox_cx;
ps_info->page_bbox.corner.y = bbox_cy;
ps_info->fonts = RadarListNew(8, sizeof(XFontStruct *));
/*
* Setup the new transform.
*/
/* scale = wi->scale;
damaged_area = wi->damaged_area;
wi->scale = ps_info->world_width /
(ps_info->page_bbox.orig.x - ps_info->page_bbox.corner.x);
ITEM_P.InvalidateItems(wi, RadarAny);*/
/*
* Emit Encapsulated PostScript Header.
*/
fprintf(ps_info->file, "%%!PS-Adobe-3.0 EPSF-3.0\n");
fprintf(ps_info->file, "%%%%Creator: Radar Widget\n");
pwd_info = getpwuid(getuid());
fprintf(ps_info->file, "%%%%For: %s\n", pwd_info ? pwd_info->pw_gecos : "Unknown");
fprintf(ps_info->file, "%%%%Title: (%s)\n", ps_info->title);
time(&now);
fprintf(ps_info->file, "%%%%CreationDate: %s\n", ctime(&now));
if (ps_info->landscape) {
fprintf(ps_info->file, "%%%%BoundingBox: %d %d %d %d\n", 1, 1, 1, 1);
}
else {
fprintf(ps_info->file, "%%%%BoundingBox: %d %d %d %d\n", 1, 1, 1, 1);
}
fprintf(ps_info->file, "%%%%Pages: 1\n");
fprintf(ps_info->file, "%%%%DocumentData: Clean7Bit\n");
fprintf(ps_info->file, "%%%%Orientation: %s\n",
ps_info->landscape ? "Landscape" : "Portrait");
fprintf(ps_info->file, "%%%%LanguageLevel: 1\n");
fprintf(ps_info->file, "%%%%DocumentNeededResources: (atend)\n");
fprintf(ps_info->file,
"%%%%DocumentSuppliedResources: procset Radar-Widget-Prolog %f %d\n",
PROLOG_VERSION, PROLOG_REVISION);
fprintf(ps_info->file, "%%%%EndComments\n\n\n");
/*
* Emit the prolog.
*/
fprintf(ps_info->file, "%%%%BeginProlog\n");
fprintf(ps_info->file, "%%%%BeginResource: procset Radar-Widget-Prolog %f %d\n",
PROLOG_VERSION, PROLOG_REVISION);
fwrite(ps_prolog, 1, sizeof(ps_prolog), ps_info->file);
fprintf(ps_info->file, "%%%%EndResource\n");
fprintf(ps_info->file, "%%%%EndProlog\n");
/*
* Emit the document setup.
*/
fprintf(ps_info->file, "%%%%BeginSetup\n");
fprintf(ps_info->file, "%%%%EndSetup\n");
/*
* Emit the page setup.
*/
fprintf(ps_info->file, "%%%%Page: 0 1\n");
fprintf(ps_info->file, "%%%%BeginPageSetup\n");
fprintf(ps_info->file, "%%%%EndPageSetup\n");
/*
* Iterate through all items emitting PostScript for each.
*/
current_item = ((GroupItem) wi->top_group)->tail;
while (current_item != RADAR_NO_ITEM) {
if (ISSET(current_item->flags, VISIBLE_BIT)) {
IntersectBBox(&ps_info->page_bbox, ¤t_item->item_bounding_box, &bbox);
if (!IsEmptyBBox(&bbox)) {
current_item->class->PostScript(current_item, ps_info);
}
}
current_item = current_item->previous;
}
/*
* Emit the page trailer.
*/
fprintf(ps_info->file, "%%%%PageTrailer\n");
/*
* Emit the document trailer.
*/
fprintf(ps_info->file, "%%%%Trailer\n");
s = "%%DocumentNeededResources: font ";
for (fs = (XFontStruct *) RadarListArray(ps_info->fonts),
i = RadarListSize(ps_info->fonts); i > 0; i--, fs++) {
fprintf(ps_info->file, "%s", s);
s = "%%+ font";
}
fprintf(ps_info->file, "%%%%EOF\n");
/*
* Restore the original transform.
*/
/*wi->scale = scale;
ITEM_P.InvalidateItems(wi, RadarAny);*/
wi->damaged_area = damaged_area;
RadarListFree(ps_info->fonts);
RadarFree(ps_info);
}
/*
**********************************************************************************
*
* Exported functions struct --
*
**********************************************************************************
*/
struct _POSTSCRIPT_P POSTSCRIPT_P = {
EmitPostScript,
SetPostScriptFont
};
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