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author | 2020-12-18 11:23:22 +0100 | |
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committer | 2020-12-18 11:34:52 +0100 | |
commit | 6a51282933ca90283c2fb9ae2088129157394d02 (patch) | |
tree | d0e79062ae5cb45dc94f2ed3e2f86923e296ae85 /native/src/widget/image | |
parent | 149098cb686dcaad21f88adc2c646372c85a7d52 (diff) | |
download | iced-6a51282933ca90283c2fb9ae2088129157394d02.tar.gz iced-6a51282933ca90283c2fb9ae2088129157394d02.tar.bz2 iced-6a51282933ca90283c2fb9ae2088129157394d02.zip |
Simplify `cursor_to_center` in `image::Viewer`
Diffstat (limited to 'native/src/widget/image')
-rw-r--r-- | native/src/widget/image/viewer.rs | 23 |
1 files changed, 2 insertions, 21 deletions
diff --git a/native/src/widget/image/viewer.rs b/native/src/widget/image/viewer.rs index ab9f3802..d376e475 100644 --- a/native/src/widget/image/viewer.rs +++ b/native/src/widget/image/viewer.rs @@ -149,23 +149,6 @@ impl<'a> Viewer<'a> { } } -/// Cursor position relative to the [`Viewer`] bounds. -/// -/// [`Viewer`]: struct.Viewer.html -fn relative_cursor_position( - absolute_position: Point, - bounds: Rectangle, -) -> Point { - absolute_position - Vector::new(bounds.x, bounds.y) -} - -/// Center point relative to the [`Viewer`] bounds. -/// -/// [`Viewer`]: struct.Viewer.html -fn relative_center(bounds: Rectangle) -> Point { - bounds.center() - Vector::new(bounds.x, bounds.y) -} - impl<'a, Message, Renderer> Widget<Message, Renderer> for Viewer<'a> where Renderer: self::Renderer + image::Renderer, @@ -241,10 +224,8 @@ where let factor = self.state.scale / previous_scale - 1.0; - let cursor_to_center = relative_cursor_position( - cursor_position, - bounds, - ) - relative_center(bounds); + let cursor_to_center = + cursor_position - bounds.center(); let adjustment = cursor_to_center * factor + self.state.current_offset * factor; |