mdraw_text_with_control(3m17n) The m17n Library mdraw_text_with_control(3m17n)NAME
mdraw_text_with_control - Draw an M-text on a window with fine control.
SYNOPSIS
int mdraw_text_with_control (MFrame * frame, MDrawWindow win, int x, int y, MText * mt, int from, int to, MDrawControl * control)
DESCRIPTION
Draw an M-text on a window with fine control. The mdraw_text_with_control() function draws the text between from and to of M-text mt on
windows win of frame frame at coordinate (x, y).
The way to draw a text is the same as in mdraw_text() except that this function also follows what specified in the drawing control object
control.
For instance, if <two_dimensional> of control is nonzero, this function draw an M-text 2-dimensionally, i.e., newlines in M-text breaks
lines and the following characters are drawn in the next line. See the documentation of the structure @ MDrawControl for more detail.
COPYRIGHT
Copyright (C) 2001 Information-technology Promotion Agency (IPA)
Copyright (C) 2001-2011 National Institute of Advanced Industrial Science and Technology (AIST)
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License
<http://www.gnu.org/licenses/fdl.html>.
Version 1.6.2 12 Jan 2011 mdraw_text_with_control(3m17n)
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mdraw_text_extents(3m17n) The m17n Library mdraw_text_extents(3m17n)NAME
mdraw_text_extents - Compute text pixel width.
SYNOPSIS
int mdraw_text_extents (MFrame * frame, MText * mt, int from, int to, MDrawControl * control, MDrawMetric * overall_ink_return, MDrawMetric
* overall_logical_return, MDrawMetric * overall_line_return)
DESCRIPTION
Compute text pixel width. The mdraw_text_extents() function computes the width of text between from and to of M-text mt when it is drawn on
a window of frame frame using the mdraw_text_with_control() function with the drawing control object control.
If overall_ink_return is not NULL, this function also computes the bounding box of character ink of the M-text, and stores the results in
the members of the structure pointed to by overall_ink_return. If the M-text has a face specifying a surrounding box, the box is included
in the bounding box.
If overall_logical_return is not NULL, this function also computes the bounding box that provides minimum spacing to other graphical
features (such as surrounding box) for the M-text, and stores the results in the members of the structure pointed to by
overall_logical_return.
If overall_line_return is not NULL, this function also computes the bounding box that provides minimum spacing to the other M-text drawn,
and stores the results in the members of the structure pointed to by overall_line_return. This is a union of overall_ink_return and
overall_logical_return if the members min_line_ascent, min_line_descent, max_line_ascent, and max_line_descent of control are all zero.
RETURN VALUE
This function returns the width of the text to be drawn in the unit of pixels. If control->two_dimensional is nonzero and the text is
drawn in multiple physical lines, it returns the width of the widest line. If an error occurs, it returns -1 and assigns an error code
to the external variable merror_code.
ERRORS
MERROR_RANGE
COPYRIGHT
Copyright (C) 2001 Information-technology Promotion Agency (IPA)
Copyright (C) 2001-2011 National Institute of Advanced Industrial Science and Technology (AIST)
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License
<http://www.gnu.org/licenses/fdl.html>.
Version 1.6.2 12 Jan 2011 mdraw_text_extents(3m17n)
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