//-------------------------------------------------
// truncate_wrap
//-------------------------------------------------
void truncate_wrap()
{
char32_t elipsis = 0x2026;
// for now, lets assume that we're only truncating the last character
UInt32 truncate_position = m_current_line.character_count() - 1;
var truncate_char = m_current_line.character(truncate_position);
// copy style information
char_style style = truncate_char.style;
// copy source information
source_info source;
source.start = truncate_char.source.start + truncate_char.source.span;
source.span = 0;
// figure out how wide an elipsis is
float elipsis_width = get_char_width(elipsis, style.size);
// where should we really truncate from?
while (truncate_position > 0 && m_current_line.character(truncate_position).xoffset + elipsis_width > width())
{
truncate_position--;
}
// truncate!!!
m_current_line.truncate(truncate_position);
// and append the elipsis
m_current_line.add_character(elipsis, style, source);
// take note that we are truncating; supress new characters
m_truncating = true;
}
//-------------------------------------------------
// word_wrap
//-------------------------------------------------
void word_wrap()
{
// keep track of the last line and break
line last_line = m_current_line;
UInt32 last_break = m_last_break;
// start a new line with the same justification
start_new_line(last_line.justify(), last_line.character(last_line.character_count() - 1).style.size);
// find the begining of the word to wrap
UInt32 position = last_break;
while (position + 1 < last_line.character_count() && is_space_character(last_line.character(position).character))
{
position++;
}
// transcribe the characters
for (UInt32 i = position; i < last_line.character_count(); i++)
{
var ch = last_line.character(i);
m_current_line.add_character(ch.character, ch.style, ch.source);
}
// and finally, truncate the last line
last_line.truncate(last_break);
}
//-------------------------------------------------
// word_wrap
//-------------------------------------------------
void word_wrap()
{
// keep track of the last line and break
line last_line = m_current_line;
size_t last_break = m_last_break != 0 ? m_last_break : (last_line.character_count() - 1);
// start a new line with the same justification
start_new_line(last_line.character(last_line.character_count() - 1).style.size);
// find the beginning of the word to wrap
size_t position = last_break;
while ((last_line.character_count() > position) && is_space_character(last_line.character(position).character))
{
position++;
}
// carry over justification
if (last_line.right_justify_start() <= position)
{
m_current_line.set_justification(text_justify.RIGHT);
}
else if (last_line.center_justify_start() <= position)
{
m_current_line.set_justification(text_justify.CENTER);
}
// transcribe the characters
for (size_t i = position; i < last_line.character_count(); i++)
{
if (last_line.right_justify_start() == i)
{
m_current_line.set_justification(text_justify.RIGHT);
}
else if (last_line.center_justify_start() == i)
{
m_current_line.set_justification(text_justify.CENTER);
}
var ch = last_line.character(i);
m_current_line.add_character(this, ch.character, ch.style, ch.source);
}
// and finally, truncate the previous line and adjust spacing
last_line.truncate(last_break);
last_line.align_text(this);
}
