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| -rw-r--r-- | doc/lispref/ChangeLog | 4 | ||||
| -rw-r--r-- | doc/lispref/display.texi | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/doc/lispref/ChangeLog b/doc/lispref/ChangeLog index 65106dc272f..768a82a6550 100644 --- a/doc/lispref/ChangeLog +++ b/doc/lispref/ChangeLog @@ -1,3 +1,7 @@ +2013-10-27 Xue Fuqiao <xfq.free@gmail.com> + + * display.texi (Image Descriptors): Add an index for edge-detection algorithms. + 2013-10-26 Xue Fuqiao <xfq.free@gmail.com> * display.texi (Fringe Indicators): Add indexes for fringe indicators. diff --git a/doc/lispref/display.texi b/doc/lispref/display.texi index 62c36815457..3b64d54bbfa 100644 --- a/doc/lispref/display.texi +++ b/doc/lispref/display.texi @@ -4132,6 +4132,7 @@ Here are the possibilities for @var{height}: @table @asis @item @code{(+ @var{n})} +@c FIXME: Add an index for "step"? --xfq This means to use a font that is @var{n} steps larger. A ``step'' is defined by the set of available fonts---specifically, those that match what was otherwise specified for this text, in all attributes except @@ -4412,6 +4413,7 @@ sometimes consider this useful for displaying the image for a ``disabled'' button. @item (edge-detection :matrix @var{matrix} :color-adjust @var{adjust}) +@cindex edge detection, images Specifies a general edge-detection algorithm. @var{matrix} must be either a nine-element list or a nine-element vector of numbers. A pixel at position @math{x/y} in the transformed image is computed from |