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desktop-shell: new wallpaper mode scale-crop

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Scale-crop mode scales the wallpaper to tightly fill the whole output,
but preserving wallpaper aspect ratio. If aspect ratio differs from the
output's, the wallpaper is centered cutting it from top/bottom or
left/right.

Add this to the weston.ini man page, and explain all three modes.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.co.uk>
This commit is contained in:
Pekka Paalanen
2013-05-22 18:03:10 +03:00
committed by Kristian Høgsberg
parent 79346ab3a5
commit a402b0567f
2 changed files with 29 additions and 7 deletions
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man/weston.ini.man
+7 -2
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@@ -118,8 +118,13 @@ The entries that can appear in this section are:
sets the path for the background image file (string).
.TP 7
.BI "background-type=" tile
determines how the background image is drawn (string). Can be scale or
tile (default).
determines how the background image is drawn (string). Can be
.BR scale ", " scale-crop " or " tile " (default)."
Scale means scaled to fit the output precisely, not preserving aspect ratio.
Scale-crop preserves aspect ratio, scales the background image just big
enough to cover the output, and centers it. The image ends up cropped from
left and right, or top and bottom, if the aspect ratio does not match the
output. Tile repeats the background image to fill the output.
.TP 7
.BI "background-color=" 0xAARRGGBB
sets the color of the background (unsigned integer). The hexadecimal