.\" Copyright (C) 2001 Information-technology Promotion Agency (IPA)
.\" Copyright (C) 2001-2003
.\"   National Institute of Advanced Industrial Science and Technology (AIST)
.\" This file si aprt of the m17n library documentation.
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.\" under the terms of the GNU Free Documentation License, Version 1.2 or
.\" any later version published by the Free Software Foundation; with no
.\" Invariant Section, Front-Cover Texts "The m17n library documentation",
.\" and no Back-Cover Texts.  A copy of the license is included in the
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.TH "mdraw_default_line_break" 3m17n "14 Jul 2007" "" "Version 1.4.0" "" "The m17n Library" \" -*- nroff -*-
.ad l
.nh
.SH NAME
mdraw_default_line_break - Calculate a line breaking position. 


.SH SYNOPSIS
int
\fBmdraw_default_line_break\fP (\fBMText\fP *
\fImt\fP, int
\fIpos\fP, int
\fIfrom\fP, int
\fIto\fP, int
\fIline\fP, int
\fIy\fP)


.SH DESCRIPTION
The function
.ft B
mdraw_default_line_break()
.ft R
calculates a line breaking position based on the line number
.ft B
line
.ft R
and the coordinate
.ft B
y\fP,
.ft R
when a line is too long to fit within the width limit.
.ft B
pos
.ft R
is the position of the character next to the last one that fits within the limit.
.ft B
from
.ft R
is the position of the first character of the line, and
.ft B
to
.ft R
is the position of the last character displayed on the line if there were not width limit.
.ft B
line
.ft R
and
.ft B
y
.ft R
are reset to 0 when a line is broken by a newline character, and incremented each time when a long line is broken because of the width limit.
.PP
.SS Return value: This function returns a character position to break th.RS 4
line. 
.RE
.PP