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avm2: Impl `drawRect`

This commit is contained in:
David Wendt 2021-03-05 21:19:55 -05:00 committed by Mike Welsh
parent 60f4f2c534
commit 1d64f38bb7
1 changed files with 51 additions and 0 deletions
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51
core/src/avm2/globals/flash/display/graphics.rs
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@ -309,6 +309,53 @@ pub fn move_to<'gc>(
Ok(Value::Undefined)
}
/// Implements `Graphics.drawRect`.
pub fn draw_rect<'gc>(
activation: &mut Activation<'_, 'gc, '_>,
this: Option<Object<'gc>>,
args: &[Value<'gc>],
) -> Result<Value<'gc>, Error> {
if let Some(this) = this.and_then(|t| t.as_display_object()) {
let x = Twips::from_pixels(
args.get(0)
.cloned()
.unwrap_or(Value::Undefined)
.coerce_to_number(activation)?,
);
let y = Twips::from_pixels(
args.get(1)
.cloned()
.unwrap_or(Value::Undefined)
.coerce_to_number(activation)?,
);
let width = Twips::from_pixels(
args.get(2)
.cloned()
.unwrap_or(Value::Undefined)
.coerce_to_number(activation)?,
);
let height = Twips::from_pixels(
args.get(3)
.cloned()
.unwrap_or(Value::Undefined)
.coerce_to_number(activation)?,
);
if let Some(mut draw) = this.as_drawing(activation.context.gc_context) {
draw.draw_command(DrawCommand::MoveTo { x, y });
draw.draw_command(DrawCommand::LineTo { x: x + width, y });
draw.draw_command(DrawCommand::LineTo {
x: x + width,
y: y + height,
});
draw.draw_command(DrawCommand::LineTo { x, y: y + height });
draw.draw_command(DrawCommand::LineTo { x, y });
}
}
Ok(Value::Undefined)
}
/// Construct `Graphics`'s class.
pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>> {
let class = Class::new(
@ -349,6 +396,10 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
QName::new(Namespace::public(), "moveTo"),
Method::from_builtin(move_to),
));
write.define_instance_trait(Trait::from_method(
QName::new(Namespace::public(), "drawRect"),
Method::from_builtin(draw_rect),
));
class
}