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authorRicardo Wurmus <rekado@elephly.net>2021-01-03 15:59:11 +0100
committerRicardo Wurmus <rekado@elephly.net>2021-01-03 15:59:11 +0100
commit7e5982a2788bd79a45ad6f02db46f061f97b6e14 (patch)
tree12a028f52cacbe6578db8174378e92efe7d4be1e
parent78c5ee268d7e40611492a5c04539f8e81e1d0133 (diff)
blur: Add comment.
-rw-r--r--pict.scm3
1 files changed, 3 insertions, 0 deletions
diff --git a/pict.scm b/pict.scm
index c43c49a..17604d4 100644
--- a/pict.scm
+++ b/pict.scm
@@ -454,6 +454,9 @@ strings that are built from the list of attributes LST."
;;; XXX: Emacs doesn't render filters when the image type is SVG. It
;;; only does this when the image type is 'imagemagick, i.e. when the
;;; SVG is first fed to ImageMagick and the raster image is displayed.
+
+;;; We have no control over whether the image is rendered with
+;;; ImageMagick or with librsvg.
(define (blur pict radius)
"Apply a Gaussian blur with blur RADIUS to the PICT."
(let ((new-height (+ (pict-height pict) (* 2 radius)))