Auto merge of #25734 - pylbrecht:get.transform, r=jdm

Implement CanvasRenderingContext2D.getTransform()

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- [x] These changes fix part of #25331

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- [x] There are tests for these changes

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1 files changed, 6 insertions, 0 deletions

diff --git a/components/script/dom/canvasrenderingcontext2d.rs b/components/script/dom/canvasrenderingcontext2d.rs
index 4c36a22f717..5956827d654 100644
--- a/components/script/dom/canvasrenderingcontext2d.rs
+++ b/components/script/dom/canvasrenderingcontext2d.rs
@@ -18,6 +18,7 @@ use crate::dom::bindings::root::{Dom, DomRoot, LayoutDom};
 use crate::dom::bindings::str::DOMString;
 use crate::dom::canvasgradient::CanvasGradient;
 use crate::dom::canvaspattern::CanvasPattern;
+use crate::dom::dommatrix::DOMMatrix;
 use crate::dom::globalscope::GlobalScope;
 use crate::dom::htmlcanvaselement::HTMLCanvasElement;
 use crate::dom::imagedata::ImageData;
@@ -224,6 +225,11 @@ impl CanvasRenderingContext2DMethods for CanvasRenderingContext2D {
         self.canvas_state.borrow().transform(a, b, c, d, e, f)
     }
 
+    // https://html.spec.whatwg.org/multipage/#dom-context-2d-gettransform
+    fn GetTransform(&self) -> DomRoot<DOMMatrix> {
+        self.canvas_state.borrow().get_transform(&self.global())
+    }
+
     // https://html.spec.whatwg.org/multipage/#dom-context-2d-settransform
     fn SetTransform(&self, a: f64, b: f64, c: f64, d: f64, e: f64, f: f64) {
         self.canvas_state.borrow().set_transform(a, b, c, d, e, f)