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texmacs  1.0.7.15
Public Member Functions | Public Attributes
compound_font_rep Struct Reference
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List of all members.

Public Member Functions

 compound_font_rep (string name, scheme_tree def, array< font > fn)
void advance (string s, int &pos, string &r, int &ch)
void get_extents (string s, metric &ex)
void draw (renderer ren, string s, SI x, SI y)
glyph get_glyph (string s)
double get_left_slope (string s)
double get_right_slope (string s)
SI get_left_correction (string s)
SI get_right_correction (string s)
void copy_math_pars (font fn)
virtual void get_xpositions (string s, SI *xpos)
void var_get_extents (string s, metric &ex)
void var_get_xpositions (string s, SI *xpos)
void var_draw (renderer ren, string s, SI x, SI y)

Public Attributes

scheme_tree def
array< font > fn
charmap cm
int type
SI size
SI design_size
SI display_size
double slope
space spc
space extra
SI sep
SI y1
SI y2
SI yx
SI yfrac
SI ysub_lo_base
SI ysub_hi_lim
SI ysup_lo_lim
SI ysup_lo_base
SI ysup_hi_lim
SI yshift
SI wpt
SI wfn
SI wline
SI wquad
string res_name

Detailed Description

Definition at line 29 of file compound_font.cpp.


Constructor & Destructor Documentation

compound_font_rep::compound_font_rep ( string  name,
scheme_tree  def,
array< font >  fn 
)

Definition at line 45 of file compound_font.cpp.

                                                 :
    font_rep (name, fn2[0]),
    def (def2), fn (fn2), cm (load_charmap (map_car (def)))
{}

Member Function Documentation

void compound_font_rep::advance ( string  s,
int &  pos,
string r,
int &  ch 
)

Definition at line 52 of file compound_font.cpp.

                                                                  {
  cm->advance (s, pos, r, ch);
  //cout << "(r,ch)= (" << r << "," << ch << ")\n";
  if (ch>0 && is_nil (fn[ch])) {
    tree t= def[ch][1];
    if (is_tuple (t, "virtual", 3))
      fn[ch]= virtual_font (this, as_string(t[1]), as_int(t[2]), as_int(t[3]));
    else fn[ch]= find_font (t);
    ASSERT (!is_nil (fn[ch]), "font not found");
    //fn[ch]->copy_math_pars (fn[0]);
  }
}

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void font_rep::copy_math_pars ( font  fn) [inherited]

Definition at line 45 of file font.cpp.

                                 {
  y1           = fn->y1;
  y2           = fn->y2;
  yx           = fn->yx;
  yfrac        = fn->yfrac;
  ysub_lo_base = fn->ysub_lo_base;
  ysub_hi_lim  = fn->ysub_hi_lim;
  ysup_lo_lim  = fn->ysup_lo_lim;
  ysup_lo_base = fn->ysup_lo_base;
  ysup_hi_lim  = fn->ysup_hi_lim;
  yshift       = fn->yshift;
  wpt          = fn->wpt;
  wfn          = fn->wfn;
  wline        = fn->wline;
  wquad        = fn->wquad;
}

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void compound_font_rep::draw ( renderer  ren,
string  s,
SI  x,
SI  y 
) [virtual]

Implements font_rep.

Definition at line 94 of file compound_font.cpp.

                                                           {
  int i=0, n= N(s);
  while (i < n) {
    int nr;
    string r= s;
    metric ey;
    advance (s, i, r, nr);
    if (nr >= 0) {
      fn[nr]->draw (ren, r, x, y);
      if (i < n) {
       fn[nr]->get_extents (r, ey);
       x += ey->x2;
      }
    }
  }
}

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void compound_font_rep::get_extents ( string  s,
metric ex 
) [virtual]

Implements font_rep.

Definition at line 72 of file compound_font.cpp.

                                                    {
  int i=0, n= N(s);
  fn[0]->get_extents (empty_string, ex);
  while (i < n) {
    int nr;
    string r= s;
    metric ey;
    advance (s, i, r, nr);
    if (nr >= 0) {
      fn[nr]->get_extents (r, ey);
      ex->y1= min (ex->y1, ey->y1);
      ex->y2= max (ex->y2, ey->y2);
      ex->x3= min (ex->x3, ex->x2 + ey->x3);
      ex->y3= min (ex->y3, ey->y3);
      ex->x4= max (ex->x4, ex->x2 + ey->x4);
      ex->y4= max (ex->y4, ey->y4);
      ex->x2 += ey->x2;
    }
  }
}

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Reimplemented from font_rep.

Definition at line 116 of file compound_font.cpp.

                                      {
  int i=0, n= N(s), nr;
  if (n == 0) return fn[0]->get_glyph (s);
  string r= s;
  advance (s, i, r, nr);
  if (nr<0) return glyph ();
  return fn[nr]->get_glyph (r);
}

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Reimplemented from font_rep.

Definition at line 146 of file compound_font.cpp.

                                                 {
  int i=0, n= N(s), nr;
  if (n == 0) return fn[0]->get_left_correction (s);
  string r= s;
  advance (s, i, r, nr);
  nr= max (nr, 0);
  return fn[nr]->get_left_correction (r);
}

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double compound_font_rep::get_left_slope ( string  s) [virtual]

Reimplemented from font_rep.

Definition at line 126 of file compound_font.cpp.

                                            {
  int i=0, n= N(s), nr;
  if (n == 0) return fn[0]->get_left_slope (s);
  string r= s;
  advance (s, i, r, nr);
  nr= max (nr, 0);
  return fn[nr]->get_left_slope (r);
}

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Reimplemented from font_rep.

Definition at line 156 of file compound_font.cpp.

                                                 {
  int i=0, n= N(s), nr;
  if (n == 0) return fn[0]->get_right_correction (s);
  string r= s;
  while (i<n) advance (s, i, r, nr);
  nr= max (nr, 0);
  return fn[nr]->get_right_correction (r);
}

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double compound_font_rep::get_right_slope ( string  s) [virtual]

Reimplemented from font_rep.

Definition at line 136 of file compound_font.cpp.

                                            {
  int i=0, n= N(s), nr;
  if (n == 0) return fn[0]->get_right_slope (s);
  string r= s;
  while (i<n) advance (s, i, r, nr);
  nr= max (nr, 0);
  return fn[nr]->get_right_slope (r);
}

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void font_rep::get_xpositions ( string  s,
SI xpos 
) [virtual, inherited]

Reimplemented in error_font_rep, math_font_rep, tex_font_rep, and x_font_rep.

Definition at line 68 of file font.cpp.

                                            {
  int i= 0;
  SI  x= 0;
  metric ex;
  while (i < N(s)) {
    if (s[i] == '<')
      while ((i < N(s)) && (s[i] != '>')) {
       i++;
       xpos[i]= x;
      }
    i++;
    get_extents (s (0, i), ex);
    x= ex->x2;
    xpos[i]= x;
  }
}

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void font_rep::var_draw ( renderer  ren,
string  s,
SI  x,
SI  y 
) [inherited]

Definition at line 121 of file font.cpp.

                                                      {
  SI dx=0;
  int start=0, end;
  while (start<N(s)) {
    for (end=start; (end<N(s)) && (s[end]!=' '); end++) {}
    if (start<end) {
      metric ex;
      draw (ren, s (start, end), x+dx, y);
      get_extents (s (start, end), ex);
      dx += ex->x2;
    }
    for (; (end<N(s)) && (s[end]==' '); end++) dx += spc->def;
    start= end;
  }
}

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void font_rep::var_get_extents ( string  s,
metric ex 
) [inherited]

Definition at line 86 of file font.cpp.

                                               {
  bool flag=true;
  int start=0, end;
  get_extents ("", ex);
  while (start<N(s)) {
    for (end=start; (end<N(s)) && (s[end]!=' '); end++) {}
    if (start<end) {
      metric ey;
      get_extents (s (start, end), ey);
      if (flag) {
       ex->x3= ey->x3+ ex->x2; ex->y3= ey->y3+ ex->x2;
       ex->x4= ey->x4; ex->y4= ey->y4;
       ex->x2 += ey->x2;
       flag= false;
      }
      else {
       ex->x3= min (ex->x3, ex->x2+ ey->x3);
       ex->x4= max (ex->x4, ex->x2+ ey->x4);
       ex->y3= min (ex->y3, ey->y3);
       ex->y4= max (ex->y4, ey->y4);
       ex->x2 += ey->x2;
      }
    }
    for (; (end<N(s)) && (s[end]==' '); end++) ex->x2 += spc->def;
    start= end;
  }
}

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void font_rep::var_get_xpositions ( string  s,
SI xpos 
) [inherited]

Definition at line 115 of file font.cpp.

                                                {
  (void) s; (void) xpos;
  FAILED ("not yet implemented");
}

Member Data Documentation

Definition at line 32 of file compound_font.cpp.

Definition at line 30 of file compound_font.cpp.

Definition at line 32 of file font.hpp.

Definition at line 33 of file font.hpp.

space font_rep::extra [inherited]

Definition at line 36 of file font.hpp.

Definition at line 31 of file compound_font.cpp.

string rep< font >::res_name [inherited]

Definition at line 17 of file resource.hpp.

SI font_rep::sep [inherited]

Definition at line 37 of file font.hpp.

SI font_rep::size [inherited]

Reimplemented in virtual_font_rep.

Definition at line 31 of file font.hpp.

double font_rep::slope [inherited]

Definition at line 34 of file font.hpp.

space font_rep::spc [inherited]

Definition at line 35 of file font.hpp.

int font_rep::type [inherited]

Definition at line 30 of file font.hpp.

SI font_rep::wfn [inherited]

Definition at line 51 of file font.hpp.

SI font_rep::wline [inherited]

Definition at line 52 of file font.hpp.

SI font_rep::wpt [inherited]

Definition at line 50 of file font.hpp.

SI font_rep::wquad [inherited]

Definition at line 53 of file font.hpp.

SI font_rep::y1 [inherited]

Definition at line 39 of file font.hpp.

SI font_rep::y2 [inherited]

Definition at line 40 of file font.hpp.

SI font_rep::yfrac [inherited]

Definition at line 42 of file font.hpp.

SI font_rep::yshift [inherited]

Definition at line 48 of file font.hpp.

Definition at line 44 of file font.hpp.

Definition at line 43 of file font.hpp.

Definition at line 47 of file font.hpp.

Definition at line 46 of file font.hpp.

Definition at line 45 of file font.hpp.

SI font_rep::yx [inherited]

Definition at line 41 of file font.hpp.


The documentation for this struct was generated from the following file: