1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
|
// -*- C++ -*-
// $Id: txfonts.h,v 2.11 2008/11/12 09:43:56 grimm Exp $
// TRALICS, copyright (C) INRIA/apics (Jose' Grimm) 2003, 2007,2008
// This software is governed by the CeCILL license under French law and
// abiding by the rules of distribution of free software. You can use,
// modify and/ or redistribute the software under the terms of the CeCILL
// license as circulated by CEA, CNRS and INRIA at the following URL
// "http://www.cecill.info".
// (See the file COPYING in the main directory for details)
// This is how Tralics interprets a font
class FontInfo {
int size; // size, between 1 and 11 times 2048
int tsize; // is fi_normal_size, etc
int shape; // it, sl, sc, or normal
int family;// tt, sf, or normal
int series;// bf or normal
int packed;// packed value of the font
int level; // the level, as for any EQTB object
int old; // previous value
Istring color; // current color
Istring old_color; // previous color
bool stackval; // is the value on the stack ok ?
public:
FontInfo() : size(6*2048), tsize(0), shape(0), family(0), series(0),
packed(0), level(level_zero), color(Istring()), stackval(true) {}
name_positions shape_change() const;
String shape_name() const;
name_positions size_change() const;
String size_name() const;
name_positions family_change() const;
String family_name() const;
name_positions series_change() const;
String series_name() const ;
void not_on_stack() { stackval = false; }
void is_on_stack() { stackval = true; }
void update_old() { old = packed; old_color = color;}
bool is_ok () { return (old&fi_data_mask) == (packed&fi_data_mask)
&& stackval &&color==old_color;}
void pack() { packed = tsize+shape+family+series+size;}
void unpack();
void change_size(int);
void kill() { shape =0; family = 0; series = 0;}
void see_font_change(subtypes);
String show_font();
int get_level() { return level; }
int get_size() { return size>>11; }
void set_level(int k) { level = k;}
void set_packed(int k) { packed = k;}
int get_old() { return old; }
Istring get_old_color() { return old_color; }
int get_packed() { return packed; }
void set_old_from_packed() { old = packed;}
void set_color(Istring c) { color = c; }
Istring get_color() const { return color; }
void ltfont(string s, subtypes c);
};
class TeXChar {
public:
short int width_idx; // index in the width_table of this char
short int height_idx; // index in the height_table of this char
short int depth_idx; // index in the depth_table of this char
short int italic_idx; // index in the italics_table of this char
short int tag; // explains how to interpret remainder
short int remainder; // the remainder field
};
class TexFont {
public:
int smallest_char;
int largest_char;
int width_len;
int height_len;
int depth_len;
int italic_len;
int ligkern_len;
int kern_len;
int exten_len;
int param_len;
TeXChar* char_table;
int* width_table;
int* height_table;
int* depth_table;
int* italic_table;
int* ligkern_table;
int* kern_table;
int* exten_table;
ScaledInt* param_table;
int hyphen_char;
int skew_char;
string name;
int scaled_val;
int at_val;
TexFont(string, int,int);
void realloc_param(int);
bool its_me(string, int,int) const;
void make_null();
void load();
};
class TexFonts {
uint last_idx;
public:
TexFonts() { data[0] = new TexFont("",0,0); last_idx = 0;}
TexFont* data[nb_tex_fonts];
bool is_valid(int);
string name(int);
void full_name(Buffer &,int k);
int get_int_param(int k, int m);
ScaledInt get_dimen_param(int k, int m);
void set_int_param(int,int,int);
void set_dimen_param(int,int,ScaledInt);
int find_font(string,int,int);
int define_a_new_font(string n, int a, int s);
};
|
