mdraw_per_char_extents(3m17n) The m17n Library mdraw_per_char_extents(3m17n)NAME
mdraw_per_char_extents - Obtain per character dimension information.
SYNOPSIS
void mdraw_per_char_extents (MFrame * frame, MText * mt, MDrawMetric * array_return, MDrawMetric * overall_return)
DESCRIPTION
Obtain per character dimension information. The mdraw_per_char_extents() function computes the text dimension of each character in M-text
mt. The faces given as text properties in mt and the default face of frame frame determine the fonts to draw the text. Each successive
element in array_return is set to the drawn metrics of successive characters, which is relative to the origin of the drawing, and a
rectangle for each character in mt. The number of elements of array_return must be equal to or greater than the number of characters in
mt.
If pointer overall_return is not NULL, this function also computes the extents of the overall text and stores the results in the members of
the structure pointed to by overall_return.
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_per_char_extents(3m17n)
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mdraw_text_per_char_extents(3m17n) The m17n Library mdraw_text_per_char_extents(3m17n)NAME
mdraw_text_per_char_extents - Compute the text dimensions of each character of M-text.
SYNOPSIS
int mdraw_text_per_char_extents (MFrame * frame, MText * mt, int from, int to, MDrawControl * control, MDrawMetric * ink_array_return,
MDrawMetric * logical_array_return, int array_size, int * num_chars_return, MDrawMetric * overall_ink_return, MDrawMetric *
overall_logical_return)
DESCRIPTION
Compute the text dimensions of each character of M-text. The mdraw_text_per_char_extents() function computes the drawn metric of each
character between from and to of M-text mt assuming that they are drawn on a window of frame frame using the mdraw_text_with_control()
function with the drawing control object control.
array_size specifies the size of ink_array_return and logical_array_return. Each successive element of ink_array_return and
logical_array_return are set to the drawn ink and logical metrics of successive characters respectively, relative to the drawing origin of
the M-text. The number of elements of ink_array_return and logical_array_return that have been set is returned to num_chars_return.
If array_size is too small to return all metrics, the function returns -1 and store the requested size in num_chars_return. Otherwise, it
returns zero.
If pointer overall_ink_return and overall_logical_return are not NULL, this function also computes the metrics of the overall text and
stores the results in the members of the structure pointed to by overall_ink_return and overall_logical_return.
If control->two_dimensional is nonzero, this function computes only the metrics of characters in the first line.
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_per_char_extents(3m17n)
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