mdraw_coordinates_position(3m17n) [debian man page]
mdraw_coordinates_position(3m17n) The m17n Library mdraw_coordinates_position(3m17n)NAME
mdraw_coordinates_position - Return the character position nearest to the coordinates.
SYNOPSIS
int mdraw_coordinates_position (MFrame * frame, MText * mt, int from, int to, int x_offset, int y_offset, MDrawControl * control)
DESCRIPTION
Return the character position nearest to the coordinates. The mdraw_coordinates_position() function checks which character is to be drawn
at coordinate (x, y) when the text between from and to of M-text mt is drawn at the coordinate (0, 0) using the mdraw_text_with_control()
function with the drawing control object control. Here, the character position means the number of characters that precede the character
in question in mt, that is, the character position of the first character is 0.
frame is used only to get the default face information.
RETURN VALUE
If the glyph image of a character covers coordinate (x, y), mdraw_coordinates_position() returns the character position of that
character.
If y is less than the minimum Y-coordinate of the drawn area, it returns from.
If y is greater than the maximum Y-coordinate of the drawn area, it returns to.
If y fits in with the drawn area but x is less than the minimum X-coordinate, it returns the character position of the first character
drawn on the line y.
If y fits in with the drawn area but x is greater than the maximum X-coordinate, it returns the character position of the last
character drawn on the line y.
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_coordinates_position(3m17n)
Check Out this Related Man Page
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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