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| author |  Héctor Ramón <hector0193@gmail.com> | 2022-03-05 13:31:39 +0700 |
|---|---|---|
| committer |  GitHub <noreply@github.com> | 2022-03-05 13:31:39 +0700 |
| commit | 4411da25cfcfddab138dadd05e92f9bd4db1b763 (patch) | |
| tree | d1516d54d4b877b0effd0151f084a423a5345879 /graphics | |
| parent | ee6f4cb2ac7f322ef708fe0655835638bac841ea (diff) | |
| parent | 27e859e1537d62fd7a5f1f4fc4d760a7a39bc804 (diff) | |
| download | iced-4411da25cfcfddab138dadd05e92f9bd4db1b763.tar.gz iced-4411da25cfcfddab138dadd05e92f9bd4db1b763.tar.bz2 iced-4411da25cfcfddab138dadd05e92f9bd4db1b763.zip | |
Merge pull request #1264 from tarkah/canvas/clip
Add clip to canvas
Diffstat (limited to 'graphics')
| -rw-r--r-- | graphics/src/widget/canvas/frame.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/graphics/src/widget/canvas/frame.rs b/graphics/src/widget/canvas/frame.rs index 357dfa62..a3449605 100644 --- a/graphics/src/widget/canvas/frame.rs +++ b/graphics/src/widget/canvas/frame.rs @@ -253,6 +253,27 @@ impl Frame { self.transforms.current = self.transforms.previous.pop().unwrap(); } + /// Executes the given drawing operations within a [`Rectangle`] region, + /// clipping any geometry that overflows its bounds. Any transformations + /// performed are local to the provided closure. + /// + /// This method is useful to perform drawing operations that need to be + /// clipped. + #[inline] + pub fn with_clip(&mut self, region: Rectangle, f: impl FnOnce(&mut Frame)) { + let mut frame = Frame::new(region.size()); + + f(&mut frame); + + self.primitives.push(Primitive::Clip { + bounds: region, + content: Box::new(Primitive::Translate { + translation: Vector::new(region.x, region.y), + content: Box::new(frame.into_geometry().into_primitive()), + }), + }); + } + /// Applies a translation to the current transform of the [`Frame`]. #[inline] pub fn translate(&mut self, translation: Vector) { |