Auto merge of #25540 - pylbrecht:raqote, r=jdm

Fix canvas wpt test ensuring there's a subpath when drawing bezier curves

<!-- Please describe your changes on the following line: -->
These changes will ensure there's a subpath when drawing bezier curves.

---
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- [x] `./mach build -d` does not report any errors
- [x] `./mach test-tidy` does not report any errors
- [x] These changes fix part of #25331

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- [x] There are tests for these changes

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components/canvas/canvas_data.rs

@@ -771,8 +771,8 @@ impl<'a> CanvasData<'a> {
     }
 
     pub fn quadratic_curve_to(&mut self, cp: &Point2D<f32>, endpoint: &Point2D<f32>) {
-        if self.path_builder().current_point().is_none() {
-            self.path_builder().move_to(cp);
+        if self.path_state.is_none() {
+            self.move_to(cp);
         }
         self.path_builder().quadratic_curve_to(cp, endpoint);
     }
@@ -783,6 +783,9 @@ impl<'a> CanvasData<'a> {
         cp2: &Point2D<f32>,
         endpoint: &Point2D<f32>,
     ) {
+        if self.path_state.is_none() {
+            self.move_to(cp1);
+        }
         self.path_builder().bezier_curve_to(cp1, cp2, endpoint);
     }
 

tests/wpt/metadata/2dcontext/building-paths/canvas_complexshapes_beziercurveto_001.htm.ini

@@ -1,2 +0,0 @@
-[canvas_complexshapes_beziercurveto_001.htm]
-  expected: FAIL

tests/wpt/metadata/2dcontext/path-objects/2d.path.bezierCurveTo.ensuresubpath.2.html.ini

@@ -1,4 +0,0 @@
-[2d.path.bezierCurveTo.ensuresubpath.2.html]
-  [If there is no subpath, the first control point is added]
-    expected: FAIL
-

tests/wpt/metadata/offscreen-canvas/path-objects/2d.path.bezierCurveTo.ensuresubpath.2.html.ini

@@ -1,4 +0,0 @@
-[2d.path.bezierCurveTo.ensuresubpath.2.html]
-  [If there is no subpath, the first control point is added]
-    expected: FAIL
-

tests/wpt/metadata/offscreen-canvas/path-objects/2d.path.bezierCurveTo.ensuresubpath.2.worker.js.ini

@@ -1,4 +0,0 @@
-[2d.path.bezierCurveTo.ensuresubpath.2.worker.html]
-  [If there is no subpath, the first control point is added]
-    expected: FAIL
-