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(Display Feature Testing): display-mm-dimensions-alist.

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This commit is contained in:
Kim F. Storm 2006-09-06 13:01:34 +00:00
parent 51e39dfcf1
commit 13112157f0
1 changed files with 12 additions and 6 deletions
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18
lispref/frames.texi
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@ -555,7 +555,7 @@ If non-@code{nil}, this frame's window is never split automatically.
@node Management Parameters
@subsubsection Window Management Parameters
These frame parameters, meaningful only on window system displays,
interact with the window manager.
@ -2086,21 +2086,27 @@ This function returns the height of the screen in pixels.
On a character terminal, it gives the height in characters.
@end defun
@defun display-mm-height &optional display
This function returns the height of the screen in millimeters,
or @code{nil} if Emacs cannot get that information.
@end defun
@defun display-pixel-width &optional display
This function returns the width of the screen in pixels.
On a character terminal, it gives the width in characters.
@end defun
@defun display-mm-height &optional display
This function returns the height of the screen in millimeters,
or @code{nil} if Emacs cannot get that information.
@end defun
@defun display-mm-width &optional display
This function returns the width of the screen in millimeters,
or @code{nil} if Emacs cannot get that information.
@end defun
@defvar display-mm-dimensions-alist
This variable allows the user to specify the dimensions of graphical
displays returned by @code{display-mm-height} and
@code{display-mm-width} in case the system provides incorrect values.
@end defvar
@defun display-backing-store &optional display
This function returns the backing store capability of the display.
Backing store means recording the pixels of windows (and parts of