Logo ROOT   6.08/07
Reference Guide
pstable.C
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1 /// \file
2 /// \ingroup tutorial_graphics
3 /// \notebook
4 /// Display all possible types of ROOT/Postscript characters.
5 ///
6 /// \macro_code
7 ///
8 /// \author Olivier Couet
9 
10 void table(Float_t x1, Float_t x2, Float_t yrange, TText *t, const char **symbol, Bool_t octal);
11 
12 void pstable()
13 {
14  const char *symbol1[] =
15  {"A","B","C","D","E","F","G","H","I","J","K","L","M","N",
16  "O","P","Q","R","S","T","U","V","W","X","Y","Z",
17  "0","1","2","3","4","5","6","7","8","9",
18  ".",",","+","-","*","/","=","(",")","{","}","END"};
19 
20  const char *symbol2[] =
21  {"a","b","c","d","e","f","g","h","i","j","k","l","m","n",
22  "o","p","q","r","s","t","u","v","w","x","y","z",
23  ":",";","@","\\","_","|","%",
24  "@'","<",">","[","]","\42","@\43","@\136",
25  "@\77","@\41","@&","$","@\176"," ","END"};
26 
27  const char *symbol3[] =
28  {"\241","\242","\243","\244","\245","\246","\247","\250",
29  "\251","\252","\253","\254","\255","\256","\257","\260",
30  "\261","\262","\263","\264","\265","\266","\267","\270",
31  "\271","\272","\273","\274","\275","\276","\277","\300",
32  "\301","\302","\303","\304","\305","\306","\307","\310",
33  "\311","\312","\313","\314","\315","\316","\317","END"};
34 
35  const char *symbol4[] =
36  {"\321","\322","\323","\324","\325","\326","\327","\330",
37  "\331","\332","\333","\334","\335","\336","\337","\340",
38  "\341","\342","\343","\344","\345","\346","\347","\340",
39  "\351","\352","\353","\354","\355","\356","\357","\360",
40  "\361","\362","\363","\364","\365","\366","\367","\370",
41  "\371","\372","\373","\374","\375","\376","\377","END"};
42 
43  const char *symbol5[] =
44  {"\177","\200","\201","\202","\203","\204","\205","\206",
45  "\207","\210","\211","\212","\213","\214","\215","\216",
46  "\217","\220","\221","\222","\223","\224","\225","\226",
47  "\227","\230","\231","\232","\233","\234","\235","\236",
48  "\237","\240","END"};
49 
50  Float_t xrange = 18;
51  Float_t yrange = 25;
52  Int_t w = 650;
53  Int_t h = w*yrange/xrange;
54 
55  TCanvas *c1 = new TCanvas("c1","c1",200,10,w,h);
56  c1->Range(0,0,xrange,yrange);
57 
58  TText *t = new TText(0,0,"a");
59  t->SetTextSize(0.02);
60  t->SetTextFont(62);
61  t->SetTextAlign(22);
62 
63  table(0.5,0.5*xrange-0.5,yrange,t,symbol1,0);
64  table(0.5*xrange+0.5,xrange-0.5,yrange,t,symbol2,0);
65  TText *tlabel = new TText(0,0,"a");
66  tlabel->SetTextFont(72);
67  tlabel->SetTextSize(0.018);
68  tlabel->SetTextAlign(22);
69  tlabel->DrawText(0.5*xrange,1.3,
70  "Input characters are standard keyboard characters");
71  c1->Modified();
72  c1->Update();
73  c1->Print("pstable1.ps");
74 
75  TCanvas *c2 = new TCanvas("c2","c2",220,20,w,h);
76  c2->Range(0,0,xrange,yrange);
77 
78  table(0.5,0.5*xrange-0.5,yrange,t,symbol3,1);
79  table(0.5*xrange+0.5,xrange-0.5,yrange,t,symbol4,1);
80  tlabel->DrawText(0.5*xrange,1.3,
81  "Input characters using backslash and octal numbers");
82  c2->Modified();
83  c2->Update();
84  c2->Print("pstable2.ps");
85 
86  TCanvas *c3 = new TCanvas("c3","c3",240,20,w,h);
87  c3->Range(0,0,xrange,yrange);
88 
89  table(0.5,0.5*xrange-0.5,yrange,t,symbol5,1);
90  tlabel->DrawText(0.5*xrange,1.3,
91  "Input characters using backslash and octal numbers");
92  c3->Modified();
93  c3->Update();
94  c3->Print("pstable3.ps");
95 }
96 void table(Float_t x1, Float_t x2, Float_t yrange, TText *t,
97  const char **symbol, Bool_t octal)
98 {
99  Int_t i;
100  Int_t n = 0;
101  for (i=0;i<1000;i++) {
102  if (!strcmp(symbol[i],"END")) break;
103  n++;
104  }
105  Float_t y1 = 2.5;
106  Float_t y2 = yrange - 0.5;
107  Float_t dx = (x2-x1)/5;
108  Float_t dy = (y2 - 1 -y1)/(n+1);
109  Float_t y = y2 - 1 - 0.7*dy;
110  Float_t xc0 = x1 + 0.5*dx;
111  Float_t xc1 = xc0 + dx;
112  Float_t xc2 = xc1 + dx;
113  Float_t xc3 = xc2 + dx;
114  Float_t xc4 = xc3 + dx;
115  TLine *line = new TLine();
116  line->DrawLine(x1,y1,x1,y2);
117  line->DrawLine(x1,y1,x2,y1);
118  line->DrawLine(x1,y2,x2,y2);
119  line->DrawLine(x2,y1,x2,y2);
120  line->DrawLine(x1,y2-1,x2,y2-1);
121  line->DrawLine(x1+ dx,y1,x1+ dx,y2);
122  line->DrawLine(x1+2*dx,y1,x1+2*dx,y2);
123  line->DrawLine(x1+3*dx,y1,x1+3*dx,y2);
124  line->DrawLine(x1+4*dx,y1,x1+4*dx,y2);
125  TText *tit = new TText(0,0,"a");
126  tit->SetTextSize(0.015);
127  tit->SetTextFont(72);
128  tit->SetTextAlign(22);
129  tit->DrawText(xc0,y2-0.6,"Input");
130  tit->DrawText(xc1,y2-0.6,"Roman");
131  tit->DrawText(xc2,y2-0.6,"Greek");
132  tit->DrawText(xc3,y2-0.6,"Special");
133  tit->DrawText(xc4,y2-0.6,"Zapf");
134  char text[12];
135  for (i=0;i<n;i++) {
136  if (octal) {
137  unsigned char value = *symbol[i];
138  sprintf(text,"@\\ %3o",value);
139  } else {
140  strcpy(text,symbol[i]);
141  }
142  t->DrawText(xc0,y,text);
143  sprintf(text,"%s",symbol[i]);
144  t->DrawText(xc1,y,text);
145  sprintf(text,"`%s",symbol[i]);
146  t->DrawText(xc2,y,text);
147  sprintf(text,"'%s",symbol[i]);
148  t->DrawText(xc3,y,text);
149  sprintf(text,"~%s",symbol[i]);
150  t->DrawText(xc4,y,text);
151  y -= dy;
152  }
153 }
TLine * line
float Float_t
Definition: RtypesCore.h:53
return c1
Definition: legend1.C:41
TH1 * h
Definition: legend2.C:5
virtual TLine * DrawLine(Double_t x1, Double_t y1, Double_t x2, Double_t y2)
Draw this line with new coordinates.
Definition: TLine.cxx:93
int Int_t
Definition: RtypesCore.h:41
bool Bool_t
Definition: RtypesCore.h:59
virtual void SetTextFont(Font_t tfont=62)
Set the text font.
Definition: TAttText.h:51
static const double x2[5]
Base class for several text objects.
Definition: TText.h:33
virtual void SetTextAlign(Short_t align=11)
Set the text alignment.
Definition: TAttText.h:47
virtual void Range(Double_t x1, Double_t y1, Double_t x2, Double_t y2)
Set world coordinate system for the pad.
Definition: TPad.cxx:4654
A simple line.
Definition: TLine.h:33
virtual void Print(const char *filename="") const
Save Pad contents in a file in one of various formats.
Definition: TPad.cxx:4160
The Canvas class.
Definition: TCanvas.h:41
return c2
Definition: legend2.C:14
static const double x1[5]
TText * text
Double_t y[n]
Definition: legend1.C:17
virtual TText * DrawText(Double_t x, Double_t y, const char *text)
Draw this text with new coordinates.
Definition: TText.cxx:175
virtual void SetTextSize(Float_t tsize=1)
Set the text size.
Definition: TAttText.h:52
virtual void Update()
Update canvas pad buffers.
Definition: TCanvas.cxx:2183
return c3
Definition: legend3.C:15
const Int_t n
Definition: legend1.C:16
void Modified(Bool_t flag=1)
Definition: TPad.h:399