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sansrgraph.cpp
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// -*- Mode : c++ -*-
//
// SUMMARY :
// USAGE :
// ORG :
// AUTHOR : Frederic Hecht
// E-MAIL : [email protected]
//
/*
This file is part of Freefem++
Freefem++ is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
Freefem++ 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with Freefem++; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
// ALH - javascript output
#ifdef FFJS
#ifndef NATIVEFFJS // [[file:~/ffjs/Makefile::NATIVEFFJS]]
#include <emscripten.h>
#endif // NATIVEFFJS
#endif // FFJS
#define FF_GRAPH_SET_PTR
using namespace std;
#include <ctime>
#include <cstdlib>
#include <cstdio>
#include <cstring>
#include <iostream>
#include <cassert>
#include "rgraph.hpp"
#include "error.hpp"
#ifdef macintoshxx
#include <ConditionalMacros.h>
#include <unix.h>
#else
#include <sys/stat.h>
#endif
#ifdef xTARGET_CARBON
#include <Navigation.h>
int pStrCopy (StringPtr p1, char * p2)
/* copies a pascal string `p1 into a C string */
{
int len,i;
len = (*p1++) %256;
for(i=1;i<=len;i++) *p2++=*p1++;
*p2 = 0;
return 0;
}
int getprog(char* fn,int argc, char** argvptr)
{
OSErr anErr;
NavDialogOptions dialogOptions;
NavReplyRecord reply;
anErr=NavGetDefaultDialogOptions(& dialogOptions);
if( anErr != noErr) return -1;
anErr =NavChooseFile(0,&reply,&dialogOptions,0,0,0,0,0) ;
if (anErr == noErr && reply.validRecord)
{
// Deal with multiple file selection
long count;
anErr = AECountItems(&(reply.selection), &count);
// Set up index for file list
if (anErr == noErr)
{
long index;
for (index = 1; index <= count; index++)
{
AEKeyword theKeyword;
DescType actualType;
Size actualSize;
FSSpec documentFSSpec;
// Get a pointer to selected file
anErr = AEGetNthPtr(&(reply.selection), index,
typeFSS, &theKeyword,
&actualType,&documentFSSpec,
sizeof(documentFSSpec),
&actualSize);
if (anErr == noErr)
{
anErr = HSetVol(0,documentFSSpec.vRefNum,documentFSSpec.parID);
pStrCopy(documentFSSpec.name, fn);
}
}
}
// Dispose of NavReplyRecord, resources, descriptors
anErr = NavDisposeReply(&reply);
}
return (2);
}
#else
#include "getprog-unix.hpp"
#endif
template<class T> inline T Min (const T &a,const T &b){return a < b ? a : b;}
template<class T> inline T Max (const T &a,const T & b){return a > b ? a : b;}
static long cube6[7][3] ={ { 65535,32000,32000},{ 65535, 65535,0},{0, 65535,0},{0, 65535, 65535},{0,0, 65535}
, { 65535,0, 65535},{ 32000,0,0} };
static long grey6[2][3] ={ {65534,65534,65534},{0,0,0} };
static bool grey=false;
static FILE *psfile = 0;
static FILE *psfile_save = 0;
static int LastColor=2; // pour est en couleur par defaut
const float fMinPixel = -32000;
const float fMaxPixel = +32000;
#define reel float
typedef struct XColor {
unsigned short red,green,blue;
} XColor;
static XColor *colortable;
static int ncolortable,fcolor;
static reel echx,echy,rxmin,rxmax,rymin,rymax;
static int lacouleur=0, width, height, currx=0, curry=0;
#define call(i) i
static int INITGRAPH=0;
void myend();
void myend()
{
if (INITGRAPH)
closegraphique();
cout << "the end" <<endl;
// ExitToShell();
}
void myexit(int err) {
cout << " The End err=" << err << endl;
exit(err);}
const char * edpfilenamearg=0;
bool waitatend=false;
bool consoleatend=false;
#ifdef FREEFEM
#include <fstream.h>
#include <new.h>
void out_of_memory ();
void myexit(int );
void compile(char *fname);
int main (int argc, char **argv)
{
atexit(myend);
int OPTION = 0;
if (argc == 2)
{
printf ("PROGRAM FreeFem 1.0 %s \n",argv[1]);
initgraphique();
compile (argv[1]);
closegraphique();
}
else
printf ("To launch freefem you must type freefem and a file name\n");
return 0;
}
#else
void doatexitff();
void doatexitff()
{
#ifdef _WIN32
bool err=true;
if(edpfilenamearg && consoleatend)
{
cout << " try getConsole " << edpfilenamearg << endl;
string fn = edpfilenamearg;
err=GetConsoleBuff(fn);
}
if( waitatend && err)
{
char c;
cout << "wait enter ? ";
cin.get();
}
#endif
}
extern int mymain(int argc,char **argv);
// <<main>>
// ALH - 4/4/15 - main() is not desired if FF is used as a library
#ifndef WITHOUT_MAIN
// ALH - 24/2/15 - the main entry point for javascript is on the HTML page so we need to give it a different name here.
// Built by [[file:~/fflib/Makefile::FFLIB_MAIN]] and called by [[file:~/fflib/fflib.cpp::calling_fflib_main]].
#ifdef FFLIB_MAIN
int fflib_main(int argc,char **argv)
#else
int main (int argc, char **argv)
#endif
{
atexit(doatexitff);
int ret=mymain(argc,argv); // <<calling_mymain>>
return ret;
}
#endif // WITHOUT_MAIN
#endif // FREEFEM
void message(char *s);
void message(char *s)
{ printf("%s \n",s);}
void erreur(char *s)
{ message(s); exit(0);}
void *safecalloc(size_t nb, size_t size);
void *safecalloc(size_t nb, size_t size)
{
void* p=NULL;
p = calloc(nb, size);
if (p == NULL) printf("Run out of Memory!\n");
return p;
}
void safefree(void** f);
void safefree(void** f)
{
if(*f){ free((char*) *f); *f=NULL;}
}
void rflush();
void rflush()
{
}
int LaCouleur() {return lacouleur;}
void couleur(int c)
{
if ( lacouleur == c) // small optim
return;
c= c > LastColor ? 1 : c; // c=Min(c,LastColor); pour noir et blanc
lacouleur = c;
float r=1,g=1,b=1;
if (colortable) {
if (c>0 && c < ncolortable)
{
r = (float) colortable[c].red /65535.;
g = (float) colortable[c].green /65535.;
b = (float) colortable[c].blue /65535.;
}
}
else if (c!=0)
r=g=b=0;
if(psfile)
fprintf(psfile,"%.3f %.3f %.3f C\n",r,g,b);
#ifdef FFJS_GRAPH
// ALH - <<ffjs_couleur>> javascript graph [[file:~/ffjs/main.js::ffjs_couleur]]
EM_ASM_DOUBLE({ffjs_couleur($0,$1,$2)},r,g,b);
#endif
}
static XColor DefColorSansG( int k,int nb, bool hsv,bool ggrey,int nbcolors,float *colors)
{
XColor C;
float r,g,b;
extern void DefColor(float & r, float & g, float & b,
int k,int nb, bool hsv,bool ggrey,int nbcolors,float *colors);
DefColor(r,g,b, k,nb,hsv,ggrey,nbcolors,colors);
C.red= (short unsigned int) (65535*r);
C.green=(short unsigned int)(65535*g);
C.blue= (short unsigned int) (65535*b);
return C;
}
void SetColorTable1(int nb,bool hsv,int nbcolors,float *colors)
{
static bool greyo = !grey;
static float *colorso =0;
if(!INITGRAPH) return;
if (ncolortable == nb && greyo == grey && colorso == colors ) return;// optim
greyo = grey;
colorso=colors;
if (nbcolors && nb>2)
{
if(colortable) delete [] colortable;
colortable = new XColor[nb];
ncolortable = nb;
if(LastColor>1) LastColor=nb-1;
for (int i0=0;i0<nb;i0++)
{
colortable[i0]=DefColorSansG(i0,nb,hsv,grey,nbcolors,colors);
}
}
else
ncolortable =0;
}
void SetColorTable(int nb)
{
if (fcolor && nb>2 && nb < 256)
{
nb = Max(nb,8);
if (ncolortable == nb) return;// optim
if(colortable) delete [] colortable;
colortable = new XColor[nb];
ncolortable = nb;
if(LastColor>1) LastColor=nb-1;
// cout << "SetColorTable "<< nb << endl;
int k=0;
colortable[k].red= 65535;
colortable[k].green= 65535;
colortable[k].blue= 65535;
k++;
colortable[k].red=0;
colortable[k].green=0;
colortable[k].blue=0;
k++;
nb = nb -2;
for (long i0=0;i0<nb;i0++,k++)
{
// long i1 = nb - i0;
long i6 = i0*6;
long j0 = i6/nb;// in 0..6
long j1 = j0+1;// in 1..6
long k0 = i0 - (nb*j0)/6L;
long k1 = (nb*j1)/6L-i0;
long kk = k0+k1;
// cout <<k << " " << i0 << " " << j0 << " " << j1 << " " << k0 << " " << k1 << endl;
if ( kk <= 0)
{ cerr << kk << " " << nb << " " << k0 << " " << k1 << " " << endl;
assert(kk);
}
/* colortable[k].red = (unsigned short) ((long) (cube6[j1][0]*k0+cube6[j0][0]*k1)/kk);
colortable[k].green = (unsigned short) ((long) (cube6[j1][1]*k0+cube6[j0][1]*k1)/kk);
colortable[k].blue = (unsigned short) ((long) (cube6[j1][2]*k0+cube6[j0][2]*k1)/kk);*/
if (! grey)
{
colortable[k].red = (unsigned short) ((long) (cube6[j1][0]*k0+cube6[j0][0]*k1)/kk);
colortable[k].green = (unsigned short) ((long) (cube6[j1][1]*k0+cube6[j0][1]*k1)/kk);
colortable[k].blue = (unsigned short) ((long) (cube6[j1][2]*k0+cube6[j0][2]*k1)/kk);
}
else
{
kk=nb-1;
k1 = i0;
k0 = nb - i0 -1;
j0=1;
j1=0;
colortable[k].red = (unsigned short) ((long) (grey6[j1][0]*k0+grey6[j0][0]*k1)/kk);
colortable[k].green = (unsigned short) ((long) (grey6[j1][1]*k0+grey6[j0][1]*k1)/kk);
colortable[k].blue = (unsigned short) ((long) (grey6[j1][2]*k0+grey6[j0][2]*k1)/kk);
}
assert(k<ncolortable);
// cout <<colortable[k].pixel
// << " r=" << colortable[k].red
// << " g=" << colortable[k].green
// << " b=" <<colortable[k].blue <<endl;
}
}
// a faire
}
void FlushEvent()
{
}
void initgraphique()
{
colortable=0;
ncolortable=0;
LastColor=2;// En couleur par default
fcolor=1; /* des couleurs */
SetColorTable(8);
INITGRAPH = 1;
width = 10000;// change FH mai 2012 to have more precis graphic for F. Ortegon
height = 7071; // <<aspect_ratio>> \sqrt(2)
}
void closegraphique()
{
if (INITGRAPH)
{
INITGRAPH = 0;
delete [] colortable;
closePS();
}
}
void cadre(reel xmin,reel xmax,reel ymin,reel ymax)
{
rxmin = xmin;
rxmax = xmax;
rymin = ymin;
rymax = ymax;
echx = width / (xmax - xmin);
echy = height / (ymax - ymin);
}
void getcadre(reel &xmin,reel &xmax,reel &ymin,reel &ymax)
{
xmin = rxmin;
xmax = rxmax;
ymin = rymin;
ymax = rymax;
}
int InRecScreen(reel x1, reel y1,reel x2, reel y2)
{
return (Max(x1,x2)>= rxmin) && (Min(x1,x2) <= rxmax) && (Max(y1,y2) >= rymin) && (Min(y1,y2) <= rymax);
}
int InPtScreen( reel x, reel y)
{
return (x >= rxmin) && (x <= rxmax) && (y >= rymin) && (y <= rymax);
}
float scali(int i);
float scalj(int i);
float scalx(int i);
float scaly(int i);
float scali(int i)
{
return i/echx + rxmin;
}
float scalj(int j)
{
return -j/echy + rymax;
}
int scalx(reel x)
{
return (int) Min(fMaxPixel,Max(fMinPixel,((x - rxmin) * echx)));
}
int scaly(reel y)
{
return (int)Min(fMaxPixel,Max(fMinPixel,((rymax - y) * echy)));
}
void pointe(reel , reel )
{
}
// <<rmoveto>>
void rmoveto(reel x, reel y)
{
currx = scalx(x);
curry = scaly(y);
#ifdef FFJS_GRAPH
// ALH - <<ffjs_rmoveto>> javascript graph [[file:~/ffjs/ffapi.js::ffjs_rmoveto]]
EM_ASM_INT({ffjs_rmoveto($0,$1)},currx,curry);
#endif
}
void rlineto(reel x, reel y)
{
int newx = scalx(x), newy = scaly(y);
if (psfile)
fprintf(psfile,"%d %d %d %d L\n",currx, height-curry, newx, height-newy);
currx = newx; curry = newy;
#ifdef FFJS_GRAPH
// ALH - <<ffjs_rlineto>> javascript graph [[file:~/ffjs/main.js::ffjs_rlineto]]
EM_ASM_INT({ffjs_rlineto($0,$1)},newx,newy);
#endif
}
void cadreortho(reel centrex, reel centrey, reel rayon)
{
if (height < width)
{
rymin = centrey - rayon;
rymax = centrey + rayon;
echx = echy= height / (2 * rayon);
rxmin= centrex - width / (2 * echx);
rxmax= centrex + width / (2 * echx);
}
else
{
rxmin = centrex - rayon;
rxmax = centrex + rayon;
echx = echy = width / (2 * rayon);
rymin = centrey - height / (2 * echy);
rymax = centrey + height / (2 * echy);
}
}
void plotstring (const char * string)
{ //int l = strlen(string);
if(psfile) fprintf(psfile,"(%s) %d %d S\n",string,currx,height-curry);
#ifdef FFJS_GRAPH
// ALH - <<ffjs_plotstring>> javascript graph - Send the string character by character to
// [[file:~/ffjs/main.js::ffjs_plotstring]] because there is no string parameter at the moment
// [[http://kripken.github.io/emscripten-site/docs/api_reference/emscripten.h.html#c.EM_ASM_]]
for(const char *c=string;*c;c++)EM_ASM_INT({ffjs_plotstring($0)},*c);
EM_ASM(ffjs_plotstring(0));
#endif
}
void showgraphic()
{
}
void penthickness(int pepais)
{
if (psfile) fprintf(psfile,"%d setlinewidth\n",pepais*2);
#ifdef FFJS_GRAPH
// ALH - <<ffjs_penthickness>> javascript graph [[file:~/ffjs/main.js::ffjs_penthickness]]
EM_ASM_INT({ffjs_penthickness($0)},pepais);
#endif
}
void x11linsrn(int * ,int * ,int * ,int * );
void x11linsrn(int * ,int * ,int * ,int * )
//int *x1,*x2,*y1,*y2;
{
}
void viderbuff()
{
}
void cercle(reel , reel , reel );
void cercle(reel , reel , reel )
{
//int r = (int) (rayon * echx);
}
void reffecran(){
#ifdef FFJS_GRAPH
// ALH - <<ffjs_graphstart>> javascript graph [[file:~/ffjs/main.js::ffjs_graphstart]]
EM_ASM(ffjs_graphstart());
#endif
}
void fillpoly(int n, float *poly)
{
int i;
if (psfile)
{
fprintf(psfile,"bF ");
for (i=0;i<n;i++)
fprintf(psfile,"%d %d ", scalx(poly[2*i]),height-scaly( poly[2*i+1]));
fprintf(psfile,"eF\n");
}
#ifdef FFJS_GRAPH
// ALH - <<ffjs_fillpoly>> javascript graph [[file:~/ffjs/main.js::ffjs_fillpoly]]
EM_ASM_INT({ffjs_fillpoly_begin($0,$1)},scalx(poly[0]),scaly(poly[1]));
for(i=1;i<n;i++)EM_ASM_INT({ffjs_fillpoly_next($0,$1)},scalx(poly[2*i]),scaly(poly[2*i+1]));
EM_ASM(ffjs_fillpoly_close());
#endif
}
int execute (const char * str)
{
if(verbosity)
cout << "exec: " << str << endl;
return system(str);
}
char Getijc(int *x1,int *y1);
char Getijc(int *x1,int *y1)
{
//char char1;
*x1=0;
*y1=0;
//cout << "entre un caractere ? ";
//cin >>char1 ;
return 0;// char1;
}
char Getxyc(float &x,float &y)
{
// cout << " in Getxyc" << endl;
char c;
int i,j;
c = Getijc( &i,&j);
x = scali(i);
y = scalj(j);
// cout << " out Getxyc" << x << " " << y << " " << c << endl;
return c;
}
/// <<rattente>>
void rattente(int )
{
}
void GetScreenSize(int &ix,int &iy)
{
ix = width;
iy = height;
}
// <<openPS>>
void openPS(const char *filename )
{
char ffff[32];
int count=0;
if(psfile_save) closePS();
time_t t_loc;
int widthA4PS=596;
//int heightA4PS=842;
float s= (double)widthA4PS/width;
char username[10];
/*if (!cuserid(username)) */ strcpy(username,"inconnue");
time(&t_loc);
bool notfound;
if( !filename)
do {
struct stat buf;
sprintf(ffff,"rgraph_%.3d.ps",count++);
volatile int r= stat(ffff,&buf) ;
notfound = r !=0;
if(count>1000) break;
} while ( !notfound );
const char *fps (filename?filename:ffff);
psfile=fopen(fps,"w");
#ifdef FFJS_GRAPH
// <<listgraphs>> ALH - extract the list of graphs generated by FF during a run
// [[file:~/ffjs/ffapi.js::ffjs_listgraphs]]. Send the file name character by character to
// [[file:~/ffjs/ffapi.js::ffjs_listgraphs]] because there is no string parameter at the moment
// [[http://kripken.github.io/emscripten-site/docs/api_reference/emscripten.h.html#c.EM_ASM_]]
for(const char *c=fps;*c;c++)EM_ASM_INT({ffjs_listgraphs($0)},*c);
EM_ASM(ffjs_listgraphs(0));
#endif
if(psfile) {
psfile_save=psfile;
fprintf(psfile,"%%!PS-Adobe-2.0 EPSF-2.0\n%%%%Creator: %s\n%%%%Title: FreeFem++\n","user");
fprintf(psfile,"%%%%CreationDate: %s",ctime(&t_loc));
fprintf(psfile,"%%%%Pages: 1\n");
fprintf(psfile,"%%%%BoundingBox: 0 0 %d %d\n",int(width*s),int(height*s));
fprintf(psfile,"%%%%EndComments\n");
fprintf(psfile," /L {newpath moveto lineto stroke} def\n");
fprintf(psfile," /C {setrgbcolor} def\n");
fprintf(psfile," /rec {newpath 4 copy 8 1 roll moveto 3 -1 roll lineto 4 2 roll exch lineto lineto closepath} def\n");
fprintf(psfile," %f %f scale \n",s,s);
fprintf(psfile," 0 %d 0 %d rec clip\n",int(width),int(height));
fprintf(psfile," /Helvetica findfont %d scalefont setfont\n",int(9/s));
fprintf(psfile," /S {moveto show} def\n");
fprintf(psfile," /bF { mark} def \n");
fprintf(psfile," /eF {newpath moveto counttomark 2 idiv {lineto} repeat closepath fill cleartomark} def\n");
fprintf(psfile," /P { /yy exch def /xx exch def xx xx 1 add yy yy 1 add rec fill } def\n");
fprintf(psfile," 2 setlinewidth\n");
}
else
cerr << " Err openning postscript file " << fps << endl;
}
void closePS(void)
{
if(psfile_save) {
fprintf(psfile_save,"showpage\n");
fclose(psfile_save);
}
psfile_save=0;
psfile=0;
#ifdef FFJS_GRAPH
// ALH - <<ffjs_graphdone>> javascript graph [[file:~/ffjs/main.js::ffjs_graphdone]]
EM_ASM({ffjs_graphdone()});
#endif
}
void coutmode(short ) {}
// bof bof ---
float GetHeigthFont()
{
double widthA4PS=596;
float s=widthA4PS/width;
return 5.5/s/echy;
}
void Commentaire(const char * c)
{
if(psfile) {
fprintf(psfile,"%% %s\n",c);
}
}
void NoirEtBlanc(int NB)
{
if(NB) LastColor=1;
else LastColor=ncolortable?ncolortable:2;
}
void MettreDansPostScript(int in)
{
if(in) psfile=psfile_save;
else psfile=0;
}
static void FillRect(float x0,float y0, float x1, float y1)
{
float r[8];
r[0]=x0;r[1]=y0;
r[2]=x1;r[3]=y0;
r[4]=x1;r[5]=y1;
r[6]=x0;r[7]=y1;
fillpoly(4,r);
}
int PutLevel(int lineno, float xf, int col);
int PutLevel(int lineno, float xf, int col)
{
float xmin,xmax,ymin,ymax;
getcadre(xmin,xmax,ymin,ymax);
float xleft = xmax - (xmax-xmin)*0.1;
float ytop = ymax;
float ydelta = (ymax-ymin)/40;
ydelta=GetHeigthFont();
xleft = xmax - 6*ydelta;
ytop -= ydelta*(col+2);
couleur(col);
FillRect(xleft+ydelta/8.,ytop+ydelta/8.,xleft+ydelta*7./8.,ytop+ydelta*7./8.);
rmoveto(xleft+ydelta*1.4,ytop+ydelta/4);
char buf[30];
sprintf(buf,"%g",xf);
couleur(1);
plotstring(buf);
return lineno;
}
void ShowHelp(const char * s,int k)
{
if(k) {
MettreDansPostScript(0);
couleur(1);
float xmin,xmax,ymin,ymax;
getcadre(xmin,xmax,ymin,ymax);
rmoveto(xmin+(xmax-xmin)/100,ymax-(k)*(ymax-ymin)/30);
plotstring(s);
MettreDansPostScript(1);
// couleur(1);
}
}
void setgrey(bool gg ){grey=gg;}
int getgrey(){ return grey;}
class Grid;
void SaveMesh(Grid &);
void SavePlot(int , Grid& , double *);
void SavePlot(int , Grid& , float *);
void SaveMesh(Grid &){}
void SavePlot(int , Grid& , double *){}
void SavePlot(int , Grid& , float *){}