void tex::_page_init ()
{
start_new_page();
prev_depth = IGNORE_DEPTH;
output_active = FALSE;
insert_penalties = 0;
}
//---------------------------------------------------------------------------------------
void Layouter::layout_item(ImoContentObj* pItem, GmoBox* pParentBox)
{
LOMSE_LOG_DEBUG(Logger::k_layout, str(boost::format(
"Laying out id %d %s") % pItem->get_id() % pItem->get_name() ));
m_pCurLayouter = create_layouter(pItem);
m_pCurLayouter->prepare_to_start_layout();
while (!m_pCurLayouter->is_item_layouted())
{
m_pCurLayouter->create_main_box(pParentBox, m_pageCursor,
m_availableWidth, m_availableHeight);
m_pCurLayouter->layout_in_box();
m_pCurLayouter->set_box_height();
if (!m_pCurLayouter->is_item_layouted())
{
pParentBox = start_new_page();
}
}
m_pCurLayouter->add_end_margins();
//update cursor and available space
GmoBox* pChildBox = m_pCurLayouter->get_item_main_box();
if (pChildBox) //AWARE: NullLayouter does not create a box
{
m_pageCursor.y = pChildBox->get_bottom();
m_availableHeight -= pChildBox->get_height();
}
if (!pItem->is_score())
delete m_pCurLayouter;
}
void tex::fire_up(ptr c)
{
int n;
bool wait;
ptr prev_p;
scal save_vfuzz;
int save_vbadness;
ptr save_split_top_skip;
ptr p, q, r;
if (type(best_page_break) == PENALTY_NODE) {
set_output_penalty(penalty(best_page_break));
penalty(best_page_break) = INF_PENALTY;
} else {
set_output_penalty(INF_PENALTY);
}
if (bot_mark != null) {
if (top_mark != null)
delete_token_ref(top_mark);
top_mark = bot_mark;
add_token_ref(top_mark);
delete_token_ref(first_mark);
first_mark = null;
}
if (c == best_page_break) {
best_page_break = null;
}
if (box(255) != null) {
print_err(null_str);
print_esc("box");
print("255 is not void");
help_box_255();
box_error(255);
}
insert_penalties = 0;
save_split_top_skip = split_top_skip;
if (holding_inserts <= 0) {
r = link(page_ins_head);
while (r != page_ins_head) {
if (best_ins_ptr(r) != null) {
n = subtype(r);
ensure_vbox(n);
if (box(n) == null)
box(n) = new_null_box();
p = node_list(box(n));
while (link(p) != null) {
p = link(p);
}
last_ins_ptr(r) = p;
}
r = link(r);
}
}
q = hold_head;
link(q) = null;
prev_p = page_head;
p = link(prev_p);
while (p != best_page_break) {
if (type(p) == INS_NODE) {
if (holding_inserts <= 0) {
wait = insert_box(p);
link(prev_p) = link(p);
link(p) = null;
if (wait) {
q = link(q) = p;
incr(insert_penalties);
} else {
delete_glue_ref(split_top_ptr(p));
free_node(p, INS_NODE_SIZE);
}
p = prev_p;
}
} else if (type(p) == MARK_NODE) {
if (first_mark == null) {
first_mark = mark_ptr(p);
add_token_ref(first_mark);
}
if (bot_mark != null)
delete_token_ref(bot_mark);
bot_mark = mark_ptr(p);
add_token_ref(bot_mark);
}
prev_p = p;
p = link(prev_p);
}
split_top_skip = save_split_top_skip;
if (p != null) {
if (link(contrib_head) == null) {
if (nest_ptr == nest) {
tail = page_tail;
} else {
contrib_tail = page_tail;
}
}
link(page_tail) = link(contrib_head);
link(contrib_head) = p;
link(prev_p) = null;
}
save_vbadness = vbadness;
save_vfuzz = vfuzz;
vbadness = INF_BAD;
vfuzz = MAX_DIMEN;
box(255) = vpackage(link(page_head),
best_size, EXACTLY, page_max_depth);
vbadness = save_vbadness;
vfuzz = save_vfuzz;
if (last_glue != null)
delete_glue_ref(last_glue);
start_new_page();
if (q != hold_head) {
link(page_head) = link(hold_head);
page_tail = q;
}
r = link(page_ins_head);
while (r != page_ins_head) {
q = link(r);
free_node(r, PAGE_INS_NODE_SIZE);
r = q;
}
link(page_ins_head) = page_ins_head;
if (top_mark != null && first_mark == null) {
first_mark = top_mark;
add_token_ref(top_mark);
}
if (output_routine != null) {
if (dead_cycles >= max_dead_cycles) {
print_err("Output loop---");
print_int(dead_cycles);
print(" consecutive dead cycles");
help_dead_cycles();
error();
} else {
output_active = TRUE;
incr(dead_cycles);
push_nest();
mode = -VMODE;
prev_depth = IGNORE_DEPTH;
mode_line = -line;
begin_token_list(output_routine, OUTPUT_TEXT);
new_save_level(OUTPUT_GROUP);
normal_paragraph();
scan_left_brace();
return;
}
}
if (link(page_head) != null) {
if (link(contrib_head) == null) {
if (nest_ptr == nest) {
tail = page_tail;
} else {
contrib_tail = page_tail;
}
} else {
link(page_tail) = link(contrib_head);
}
link(contrib_head) = link(page_head);
link(page_head) = null;
page_tail = page_head;
}
ship_out(box(255));
box(255) = null;
}
