summaryrefslogtreecommitdiff
path: root/Build/source/texk/web2c/alephdir/eopage.ch
blob: d55cc6a154c300501da6179d1f0830fe3181f35e (plain)
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
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
% vim ft=ch
% Fix page dimension bugs
% TODO : not there yet for BLB?
@x
emergency_stretch_code:print_esc("emergencystretch");
othercases print("[unknown dimen parameter!]")
endcases;
end;
@y
emergency_stretch_code:print_esc("emergencystretch");
page_width_code:print_esc("pagewidth");
page_height_code:print_esc("pageheight");
page_right_offset_code:print_esc("pagerightoffset");
page_bottom_offset_code:print_esc("pagebottomoffset");
othercases print("[unknown dimen parameter!]")
endcases;
end;
@z

@x
@ @<Ship box |p| out@>=
@<Update the values of |max_h| and |max_v|; but if the page is too large,
  |goto done|@>;
@<Initialize variables as |ship_out| begins@>;
page_loc:=dvi_offset+dvi_ptr;
dvi_out(bop);
for k:=0 to 9 do dvi_four(count(k));
dvi_four(last_bop); last_bop:=page_loc;
dvi_direction:=page_direction;
case box_direction(dvi_direction) of
dir_TL_,dir_LT_: begin
  end;
dir_TR_,dir_RT_: begin
  dvi_right(page_right_offset);
  end;
dir_RB_,dir_BR_: begin
  dvi_right(page_right_offset);
  dvi_down(page_bottom_offset);
  end;
dir_BL_,dir_LB_: begin
  dvi_down(page_bottom_offset);
  end;
end;
cur_h:=h_offset;
cur_v:=height(p)+v_offset;
case box_direction(dvi_direction) of
dir_TL_: begin
  dvi_down(cur_v);
  dvi_right(cur_h);
  end;
dir_TR_: begin
  dvi_down(cur_v);
  dvi_right(-cur_h);
  end;
dir_LT_: begin
  dvi_right(cur_v);
  dvi_down(cur_h);
  end;
dir_LB_: begin
  dvi_right(cur_v);
  dvi_down(-cur_h);
  end;
dir_BL_: begin
  dvi_down(-cur_v);
  dvi_right(cur_h);
  end;
dir_BR_: begin
  dvi_down(-cur_v);
  dvi_right(-cur_h);
  end;
dir_RT_: begin
  dvi_right(-cur_v);
  dvi_down(cur_h);
  end;
dir_RB_: begin
  dvi_right(-cur_v);
  dvi_down(-cur_h);
  end;
end;
dvi_h:=cur_h;
dvi_v:=cur_v;
temp_ptr:=p;
if type(p)=vlist_node then vlist_out@+else hlist_out;
dvi_out(eop); incr(total_pages); cur_s:=-1;
done:

@y
@ @<Ship box |p| out@>=
@<Update the values of |max_h| and |max_v|; but if the page is too large,
  |goto done|@>;
@<Initialize variables as |ship_out| begins@>;
page_loc:=dvi_offset+dvi_ptr;
dvi_out(bop);
for k:=0 to 9 do dvi_four(count(k));
dvi_four(last_bop); last_bop:=page_loc;
dvi_direction:=page_direction;
case box_direction(dvi_direction) of
dir_TL_,dir_LT_: begin
  end;
dir_TR_,dir_RT_: begin
  dvi_right(page_width-page_right_offset);
  dvi_h:=-page_right_offset;
  end;
dir_RB_,dir_BR_: begin
  dvi_right(page_width-page_right_offset);
  dvi_down(page_height-page_bottom_offset);
  dvi_h:=-page_right_offset;
  dvi_v:=-page_bottom_offset;
  end;
dir_BL_,dir_LB_: begin
  dvi_down(page_height-page_bottom_offset);
  dvi_v:=-page_bottom_offset;
  end;
end;
cur_h:=h_offset;
cur_v:=height(p)+v_offset;
case box_direction(dvi_direction) of
dir_TL_: begin
  dvi_right(cur_h);
  dvi_down(cur_v);
  end;
dir_TR_: begin
  dvi_right(-cur_h);
  dvi_down(cur_v);
  end;
dir_LT_: begin
  dvi_right(cur_v);
  dvi_down(cur_h);
  end;
dir_LB_: begin
  dvi_right(cur_v);
  dvi_down(-cur_h);
  end;
dir_BL_: begin
  dvi_right(cur_h);
  dvi_down(-cur_v);
  end;
dir_BR_: begin
  dvi_right(-cur_h);
  dvi_down(-cur_v);
  end;
dir_RT_: begin
  dvi_right(-cur_v);
  dvi_down(cur_h);
  end;
dir_RB_: begin
  dvi_right(-cur_v);
  dvi_down(-cur_h);
  end;
end;
temp_ptr:=p;
dvi_h:=dvi_h+cur_h;
dvi_v:=dvi_v+cur_v;
if type(p)=vlist_node then vlist_out@+else hlist_out;
dvi_out(eop); incr(total_pages); cur_s:=-1;
done:

@z

@x
set_new_eqtb_sc(dimen_base+page_bottom_offset_code,page_height-9472573);
                {-2 inches}
set_new_eqtb_sc(dimen_base+page_right_offset_code,page_width-9472573);
                {-2 inches}
@y
set_new_eqtb_sc(dimen_base+page_bottom_offset_code,4736287); {1 inch}
set_new_eqtb_sc(dimen_base+page_right_offset_code,4736287); {1 inch}
@z

@x
{
|primitive("pagerightoffset",assign_dimen,dimen_base+page_right_offset_code);|
|primitive("pagebottomoffset",assign_dimen,dimen_base+page_bottom_offset_code);|
}
@y
primitive("pagerightoffset",assign_dimen,dimen_base+page_right_offset_code);
primitive("pagebottomoffset",assign_dimen,dimen_base+page_bottom_offset_code);
@z