LibWeb: Use correct IDL definition for CanvasImageData methods

It is now possible to pass an optional `ImageDataSettings` object to
the `CanvasImageData.createImageData()` and
`CanvasImageData.getImageData()` methods.

Userland/Libraries/LibWeb/HTML/Canvas/CanvasImageData.h

@@ -15,8 +15,8 @@ class CanvasImageData {
 public:
     virtual ~CanvasImageData() = default;
 
-    virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<ImageData>> create_image_data(int width, int height) const = 0;
-    virtual WebIDL::ExceptionOr<JS::GCPtr<ImageData>> get_image_data(int x, int y, int width, int height) const = 0;
+    virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<ImageData>> create_image_data(int width, int height, Optional<ImageDataSettings> const& settings = {}) const = 0;
+    virtual WebIDL::ExceptionOr<JS::GCPtr<ImageData>> get_image_data(int x, int y, int width, int height, Optional<ImageDataSettings> const& settings = {}) const = 0;
     virtual void put_image_data(ImageData const&, float x, float y) = 0;
 
 protected:

Userland/Libraries/LibWeb/HTML/Canvas/CanvasImageData.idl

@@ -2,12 +2,10 @@
 
 // https://html.spec.whatwg.org/multipage/canvas.html#canvasimagedata
 interface mixin CanvasImageData {
-    // FIXME: Should be `ImageData createImageData([EnforceRange] long sw, [EnforceRange] long sh, optional ImageDataSettings settings = {});`
-    ImageData createImageData(long sw, long sh);
+    ImageData createImageData([EnforceRange] long sw, [EnforceRange] long sh, optional ImageDataSettings settings = {});
     // FIXME: ImageData createImageData(ImageData imagedata);
 
-    // FIXME: Should be `ImageData getImageData([EnforceRange] long sx, [EnforceRange] long sy, [EnforceRange] long sw, [EnforceRange] long sh, optional ImageDataSettings settings = {});`
-    ImageData getImageData(long sx, long sy, long sw, long sh);
+    ImageData getImageData([EnforceRange] long sx, [EnforceRange] long sy, [EnforceRange] long sw, [EnforceRange] long sh, optional ImageDataSettings settings = {});
 
     undefined putImageData(ImageData imagedata, [EnforceRange] long dx, [EnforceRange] long dy);
     // FIXME: undefined putImageData(ImageData imagedata, [EnforceRange] long dx, [EnforceRange] long dy, [EnforceRange] long dirtyX, [EnforceRange] long dirtyY, [EnforceRange] long dirtyWidth, [EnforceRange] long dirtyHeight);

Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.cpp

@@ -375,13 +375,13 @@ void CanvasRenderingContext2D::fill(Path2D& path, StringView fill_rule)
     return fill_internal(transformed_path, parse_fill_rule(fill_rule));
 }
 
-WebIDL::ExceptionOr<JS::NonnullGCPtr<ImageData>> CanvasRenderingContext2D::create_image_data(int width, int height) const
+WebIDL::ExceptionOr<JS::NonnullGCPtr<ImageData>> CanvasRenderingContext2D::create_image_data(int width, int height, Optional<ImageDataSettings> const& settings) const
 {
-    return ImageData::create(realm(), width, height);
+    return ImageData::create(realm(), width, height, settings);
 }
 
 // https://html.spec.whatwg.org/multipage/canvas.html#dom-context-2d-getimagedata
-WebIDL::ExceptionOr<JS::GCPtr<ImageData>> CanvasRenderingContext2D::get_image_data(int x, int y, int width, int height) const
+WebIDL::ExceptionOr<JS::GCPtr<ImageData>> CanvasRenderingContext2D::get_image_data(int x, int y, int width, int height, Optional<ImageDataSettings> const& settings) const
 {
     // 1. If either the sw or sh arguments are zero, then throw an "IndexSizeError" DOMException.
     if (width == 0 || height == 0)
@@ -393,7 +393,7 @@ WebIDL::ExceptionOr<JS::GCPtr<ImageData>> CanvasRenderingContext2D::get_image_da
 
     // 3. Let imageData be a new ImageData object.
     // 4. Initialize imageData given sw, sh, settings set to settings, and defaultColorSpace set to this's color space.
-    auto image_data = TRY(ImageData::create(realm(), width, height));
+    auto image_data = TRY(ImageData::create(realm(), width, height, settings));
 
     // NOTE: We don't attempt to create the underlying bitmap here; if it doesn't exist, it's like copying only transparent black pixels (which is a no-op).
     if (!canvas_element().bitmap())

Userland/Libraries/LibWeb/HTML/CanvasRenderingContext2D.h

@@ -76,8 +76,8 @@ public:
     virtual void fill(StringView fill_rule) override;
     virtual void fill(Path2D& path, StringView fill_rule) override;
 
-    virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<ImageData>> create_image_data(int width, int height) const override;
-    virtual WebIDL::ExceptionOr<JS::GCPtr<ImageData>> get_image_data(int x, int y, int width, int height) const override;
+    virtual WebIDL::ExceptionOr<JS::NonnullGCPtr<ImageData>> create_image_data(int width, int height, Optional<ImageDataSettings> const& settings = {}) const override;
+    virtual WebIDL::ExceptionOr<JS::GCPtr<ImageData>> get_image_data(int x, int y, int width, int height, Optional<ImageDataSettings> const& settings = {}) const override;
     virtual void put_image_data(ImageData const&, float x, float y) override;
 
     virtual void reset_to_default_state() override;