/* $Id: output.c,v 1.76 2011/01/25 16:30:48 ellson Exp $ $Revision: 1.76 $ */
/* vim:set shiftwidth=4 ts=8: */
/*************************************************************************
* Copyright (c) 2011 AT&T Intellectual Property
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors: See CVS logs. Details at http://www.graphviz.org/
*************************************************************************/
#include "render.h"
#include "agxbuf.h"
#include <stdarg.h>
#include <string.h>
#define YDIR(y) (Y_invert ? (Y_off - (y)) : (y))
#define YFDIR(y) (Y_invert ? (YF_off - (y)) : (y))
double Y_off; /* ymin + ymax */
double YF_off; /* Y_off in inches */
#ifdef WITH_CGRAPH
static int (*putstr) (void *chan, const char *str);
static void agputs (const char* s, FILE* fp)
{
putstr ((void*)fp, s);
}
static void agputc (int c, FILE* fp)
{
static char buf[2] = {'\0','\0'};
buf[0] = c;
putstr ((void*)fp, buf);
}
#endif
static void printstring(FILE * f, char *prefix, char *s)
{
if (prefix) agputs(prefix, f);
agputs(s, f);
}
static void printint(FILE * f, char *prefix, int i)
{
char buf[BUFSIZ];
if (prefix) agputs(prefix, f);
sprintf(buf, "%d", i);
agputs(buf, f);
}
static void printdouble(FILE * f, char *prefix, double v)
{
char buf[BUFSIZ];
if (prefix) agputs(prefix, f);
sprintf(buf, "%.5g", v);
agputs(buf, f);
}
static void printpoint(FILE * f, pointf p)
{
printdouble(f, " ", PS2INCH(p.x));
printdouble(f, " ", PS2INCH(YDIR(p.y)));
}
/* setYInvert:
* Set parameters used to flip coordinate system (y=0 at top).
* Values do not need to be unset, since if Y_invert is set, it's
* set for * all graphs during current run, so each will
* reinitialize the values for its bbox.
*/
static void setYInvert(graph_t * g)
{
if (Y_invert) {
Y_off = GD_bb(g).UR.y + GD_bb(g).LL.y;
YF_off = PS2INCH(Y_off);
}
}
/* canon:
* Canonicalize a string which may not have been allocated using agstrdup.
*/
static char* canon (graph_t *g, char* s)
{
#ifndef WITH_CGRAPH
char* ns = agstrdup (s);
char* cs = agcanonStr (ns);
agstrfree (ns);
#else
char* ns = agstrdup (g, s);
char* cs = agcanonStr (ns);
agstrfree (g, ns);
#endif
return cs;
}
static void writenodeandport(FILE * f, node_t * node, char *port)
{
char *name;
if (IS_CLUST_NODE(node))
name = canon (agraphof(node), strchr(agnameof(node), ':') + 1);
else
name = agcanonStr (agnameof(node));
printstring(f, " ", name); /* slimey i know */
if (port && *port)
printstring(f, ":", agcanonStr(port));
}
/* _write_plain:
*/
void write_plain(GVJ_t * job, graph_t * g, FILE * f, boolean extend)
{
int i, j, splinePoints;
char *tport, *hport;
node_t *n;
edge_t *e;
bezier bz;
pointf pt;
char *lbl;
char* fillcolor;
#ifdef WITH_CGRAPH
putstr = g->clos->disc.io->putstr;
#endif
// setup_graph(job, g);
setYInvert(g);
pt = GD_bb(g).UR;
printdouble(f, "graph ", job->zoom);
printdouble(f, " ", PS2INCH(pt.x));
printdouble(f, " ", PS2INCH(pt.y));
agputc('\n', f);
for (n = agfstnode(g); n; n = agnxtnode(g, n)) {
if (IS_CLUST_NODE(n))
continue;
printstring(f, "node ", agcanonStr(agnameof(n)));
printpoint(f, ND_coord(n));
if (ND_label(n)->html) /* if html, get original text */
#ifndef WITH_CGRAPH
lbl = agcanonStr (agxget(n, N_label->index));
#else
lbl = agcanonStr (agxget(n, N_label));
#endif
else
lbl = canon(agraphof(n),ND_label(n)->text);
printdouble(f, " ", ND_width(n));
printdouble(f, " ", ND_height(n));
printstring(f, " ", lbl);
printstring(f, " ", late_nnstring(n, N_style, "solid"));
printstring(f, " ", ND_shape(n)->name);
printstring(f, " ", late_nnstring(n, N_color, DEFAULT_COLOR));
fillcolor = late_nnstring(n, N_fillcolor, "");
if (fillcolor[0] == '\0')
fillcolor = late_nnstring(n, N_color, DEFAULT_FILL);
printstring(f, " ", fillcolor);
agputc('\n', f);
}
for (n = agfstnode(g); n; n = agnxtnode(g, n)) {
for (e = agfstout(g, n); e; e = agnxtout(g, e)) {
#ifndef WITH_CGRAPH
/* FIXME - there must be a proper way to get port info - these are
* supposed to be private to libgraph - from libgraph.h */
#define TAILX 1
#define HEADX 2
if (extend && e->attr) {
tport = e->attr[TAILX];
hport = e->attr[HEADX];
}
#else /* WITH_CGRAPH */
if (extend) { //assuming these two attrs have already been created by cgraph
if (!(tport = agget(e,"tailport")))
tport = "";
if (!(hport = agget(e,"headport")))
hport = "";
}
#endif /* WITH_CGRAPH */
else
tport = hport = "";
if (ED_spl(e)) {
splinePoints = 0;
for (i = 0; i < ED_spl(e)->size; i++) {
bz = ED_spl(e)->list[i];
splinePoints += bz.size;
}
printstring(f, NULL, "edge");
writenodeandport(f, agtail(e), tport);
writenodeandport(f, aghead(e), hport);
printint(f, " ", splinePoints);
for (i = 0; i < ED_spl(e)->size; i++) {
bz = ED_spl(e)->list[i];
for (j = 0; j < bz.size; j++)
printpoint(f, bz.list[j]);
}
}
if (ED_label(e)) {
printstring(f, " ", canon(agraphof(agtail(e)),ED_label(e)->text));
printpoint(f, ED_label(e)->pos);
}
printstring(f, " ", late_nnstring(e, E_style, "solid"));
printstring(f, " ", late_nnstring(e, E_color, DEFAULT_COLOR));
agputc('\n', f);
}
}
agputs("stop\n", f);
}
static void set_record_rects(node_t * n, field_t * f, agxbuf * xb)
{
int i;
char buf[BUFSIZ];
if (f->n_flds == 0) {
sprintf(buf, "%.5g,%.5g,%.5g,%.5g ",
f->b.LL.x + ND_coord(n).x,
YDIR(f->b.LL.y + ND_coord(n).y),
f->b.UR.x + ND_coord(n).x,
YDIR(f->b.UR.y + ND_coord(n).y));
agxbput(xb, buf);
}
for (i = 0; i < f->n_flds; i++)
set_record_rects(n, f->fld[i], xb);
}
static void rec_attach_bb(graph_t * g, Agsym_t* bbsym)
{
int c;
char buf[BUFSIZ];
pointf pt;
sprintf(buf, "%.5g,%.5g,%.5g,%.5g", GD_bb(g).LL.x, YDIR(GD_bb(g).LL.y),
GD_bb(g).UR.x, YDIR(GD_bb(g).UR.y));
#ifndef WITH_CGRAPH
agxset(g, bbsym->index, buf);
#else
agxset(g, bbsym, buf);
#endif
if (GD_label(g) && GD_label(g)->text[0]) {
pt = GD_label(g)->pos;
sprintf(buf, "%.5g,%.5g", pt.x, YDIR(pt.y));
agset(g, "lp", buf);
pt = GD_label(g)->dimen;
sprintf(buf, "%.2f", PS2INCH(pt.x));
agset (g, "lwidth", buf);
sprintf(buf, "%.2f", PS2INCH(pt.y));
agset (g, "lheight", buf);
}
for (c = 1; c <= GD_n_cluster(g); c++)
rec_attach_bb(GD_clust(g)[c], bbsym);
}
void attach_attrs_and_arrows(graph_t* g, int* sp, int* ep)
{
int e_arrows; /* graph has edges with end arrows */
int s_arrows; /* graph has edges with start arrows */
int i, j, sides;
char buf[BUFSIZ]; /* Used only for small strings */
unsigned char xbuffer[BUFSIZ]; /* Initial buffer for xb */
agxbuf xb;
node_t *n;
edge_t *e;
pointf ptf;
int dim3 = (GD_odim(g) >= 3);
Agsym_t* bbsym;
gv_fixLocale (1);
e_arrows = s_arrows = 0;
setYInvert(g);
agxbinit(&xb, BUFSIZ, xbuffer);
#ifndef WITH_CGRAPH
safe_dcl(g, g->proto->n, "pos", "", agnodeattr);
safe_dcl(g, g->proto->n, "rects", "", agnodeattr);
N_width = safe_dcl(g, g->proto->n, "width", "", agnodeattr);
N_height = safe_dcl(g, g->proto->n, "height", "", agnodeattr);
safe_dcl(g, g->proto->e, "pos", "", agedgeattr);
if (GD_has_labels(g) & NODE_XLABEL)
safe_dcl(g, g->proto->n, "xlp", "", agnodeattr);
if (GD_has_labels(g) & EDGE_LABEL)
safe_dcl(g, g->proto->e, "lp", "", agedgeattr);
if (GD_has_labels(g) & EDGE_XLABEL)
safe_dcl(g, g->proto->e, "xlp", "", agedgeattr);
if (GD_has_labels(g) & HEAD_LABEL)
safe_dcl(g, g->proto->e, "head_lp", "", agedgeattr);
if (GD_has_labels(g) & TAIL_LABEL)
safe_dcl(g, g->proto->e, "tail_lp", "", agedgeattr);
if (GD_label(g)) {
safe_dcl(g, g, "lp", "", agraphattr);
safe_dcl(g, g, "lwidth", "", agraphattr);
safe_dcl(g, g, "lheight", "", agraphattr);
if (GD_label(g)->text[0]) {
ptf = GD_label(g)->pos;
sprintf(buf, "%.5g,%.5g", ptf.x, YDIR(ptf.y));
agset(g, "lp", buf);
ptf = GD_label(g)->dimen;
sprintf(buf, "%.2f", PS2INCH(ptf.x));
agset(g, "lwidth", buf);
sprintf(buf, "%.2f", PS2INCH(ptf.y));
agset(g, "lheight", buf);
}
}
bbsym = safe_dcl(g, g, "bb", "", agraphattr);
#else
safe_dcl(g, AGNODE, "pos", "");
safe_dcl(g, AGNODE, "rects", "");
N_width = safe_dcl(g, AGNODE, "width", "");
N_height = safe_dcl(g, AGNODE, "height", "");
safe_dcl(g, AGEDGE, "pos", "");
if (GD_has_labels(g) & NODE_XLABEL)
safe_dcl(g, AGNODE, "xlp", "");
if (GD_has_labels(g) & EDGE_LABEL)
safe_dcl(g, AGEDGE, "lp", "");
if (GD_has_labels(g) & EDGE_XLABEL)
safe_dcl(g, AGEDGE, "xlp", "");
if (GD_has_labels(g) & HEAD_LABEL)
safe_dcl(g, AGEDGE, "head_lp", "");
if (GD_has_labels(g) & TAIL_LABEL)
safe_dcl(g, AGEDGE, "tail_lp", "");
if (GD_label(g)) {
safe_dcl(g, AGRAPH, "lp", "");
safe_dcl(g, AGRAPH, "lwidth", "");
safe_dcl(g, AGRAPH, "lheight", "");
if (GD_label(g)->text[0]) {
ptf = GD_label(g)->pos;
sprintf(buf, "%.5g,%.5g", ptf.x, YDIR(ptf.y));
agset(g, "lp", buf);
ptf = GD_label(g)->dimen;
sprintf(buf, "%.2f", PS2INCH(ptf.x));
agset(g, "lwidth", buf);
sprintf(buf, "%.2f", PS2INCH(ptf.y));
agset(g, "lheight", buf);
}
}
bbsym = safe_dcl(g, AGRAPH, "bb", "");
#endif
for (n = agfstnode(g); n; n = agnxtnode(g, n)) {
if (dim3) {
int k;
sprintf(buf, "%.5g,%.5g,%.5g", ND_coord(n).x, YDIR(ND_coord(n).y), POINTS_PER_INCH*(ND_pos(n)[2]));
agxbput (&xb, buf);
for (k = 3; k < GD_odim(g); k++) {
sprintf(buf, ",%.5g", POINTS_PER_INCH*(ND_pos(n)[k]));
agxbput (&xb, buf);
}
agset(n, "pos", agxbuse(&xb));
} else {
sprintf(buf, "%.5g,%.5g", ND_coord(n).x, YDIR(ND_coord(n).y));
agset(n, "pos", buf);
}
sprintf(buf, "%.5g", PS2INCH(ND_ht(n)));
#ifndef WITH_CGRAPH
agxset(n, N_height->index, buf);
sprintf(buf, "%.5g", PS2INCH(ND_lw(n) + ND_rw(n)));
agxset(n, N_width->index, buf);
#else
agxset(n, N_height, buf);
sprintf(buf, "%.5g", PS2INCH(ND_lw(n) + ND_rw(n)));
agxset(n, N_width, buf);
#endif
if (ND_xlabel(n)) {
ptf = ND_xlabel(n)->pos;
sprintf(buf, "%.5g,%.5g", ptf.x, YDIR(ptf.y));
agset(n, "xlp", buf);
}
if (strcmp(ND_shape(n)->name, "record") == 0) {
set_record_rects(n, ND_shape_info(n), &xb);
agxbpop(&xb); /* get rid of last space */
agset(n, "rects", agxbuse(&xb));
} else {
polygon_t *poly;
int i;
if (N_vertices && isPolygon(n)) {
poly = (polygon_t *) ND_shape_info(n);
sides = poly->sides;
if (sides < 3) {
char *p = agget(n, "samplepoints");
if (p)
sides = atoi(p);
else
sides = 8;
if (sides < 3)
sides = 8;
}
for (i = 0; i < sides; i++) {
if (i > 0)
agxbputc(&xb, ' ');
if (poly->sides >= 3)
sprintf(buf, "%.5g %.5g",
PS2INCH(poly->vertices[i].x),
YFDIR(PS2INCH(poly->vertices[i].y)));
else
sprintf(buf, "%.5g %.5g",
ND_width(n) / 2.0 * cos(i / (double) sides * M_PI * 2.0),
YFDIR(ND_height(n) / 2.0 * sin(i / (double) sides * M_PI * 2.0)));
agxbput(&xb, buf);
}
#ifndef WITH_CGRAPH
agxset(n, N_vertices->index, agxbuse(&xb));
#else /* WITH_CGRAPH */
agxset(n, N_vertices, agxbuse(&xb));
#endif /* WITH_CGRAPH */
}
}
if (State >= GVSPLINES) {
for (e = agfstout(g, n); e; e = agnxtout(g, e)) {
if (ED_edge_type(e) == IGNORED)
continue;
if (ED_spl(e) == NULL)
continue; /* reported in postproc */
for (i = 0; i < ED_spl(e)->size; i++) {
if (i > 0)
agxbputc(&xb, ';');
if (ED_spl(e)->list[i].sflag) {
s_arrows = 1;
sprintf(buf, "s,%.5g,%.5g ",
ED_spl(e)->list[i].sp.x,
YDIR(ED_spl(e)->list[i].sp.y));
agxbput(&xb, buf);
}
if (ED_spl(e)->list[i].eflag) {
e_arrows = 1;
sprintf(buf, "e,%.5g,%.5g ",
ED_spl(e)->list[i].ep.x,
YDIR(ED_spl(e)->list[i].ep.y));
agxbput(&xb, buf);
}
for (j = 0; j < ED_spl(e)->list[i].size; j++) {
if (j > 0)
agxbputc(&xb, ' ');
ptf = ED_spl(e)->list[i].list[j];
sprintf(buf, "%.5g,%.5g", ptf.x, YDIR(ptf.y));
agxbput(&xb, buf);
}
}
agset(e, "pos", agxbuse(&xb));
if (ED_label(e)) {
ptf = ED_label(e)->pos;
sprintf(buf, "%.5g,%.5g", ptf.x, YDIR(ptf.y));
agset(e, "lp", buf);
}
if (ED_xlabel(e)) {
ptf = ED_xlabel(e)->pos;
sprintf(buf, "%.5g,%.5g", ptf.x, YDIR(ptf.y));
agset(e, "xlp", buf);
}
if (ED_head_label(e)) {
ptf = ED_head_label(e)->pos;
sprintf(buf, "%.5g,%.5g", ptf.x, YDIR(ptf.y));
agset(e, "head_lp", buf);
}
if (ED_tail_label(e)) {
ptf = ED_tail_label(e)->pos;
sprintf(buf, "%.5g,%.5g", ptf.x, YDIR(ptf.y));
agset(e, "tail_lp", buf);
}
}
}
}
rec_attach_bb(g, bbsym);
agxbfree(&xb);
if (HAS_CLUST_EDGE(g))
undoClusterEdges(g);
*sp = s_arrows;
*ep = e_arrows;
gv_fixLocale (0);
}
void attach_attrs(graph_t * g)
{
int e, s;
attach_attrs_and_arrows (g, &s, &e);
}
void output_point(agxbuf *xbuf, pointf p)
{
char buf[BUFSIZ];
sprintf(buf, "%d %d ", ROUND(p.x), ROUND(YDIR(p.y)));
agxbput(xbuf, buf);
}
