avm2: Implement `Graphics.curveTo`
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@ -9,8 +9,9 @@ use crate::avm2::traits::Trait;
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use crate::avm2::value::Value;
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use crate::avm2::Error;
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use crate::display_object::TDisplayObject;
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use crate::shape_utils::DrawCommand;
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use gc_arena::{GcCell, MutationContext};
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use swf::{Color, FillStyle};
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use swf::{Color, FillStyle, Twips};
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/// Implements `flash.display.Graphics`'s instance constructor.
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pub fn instance_init<'gc>(
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@ -81,6 +82,51 @@ pub fn clear<'gc>(
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Ok(Value::Undefined)
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}
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/// Implements `Graphics.curveTo`.
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pub fn curve_to<'gc>(
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activation: &mut Activation<'_, 'gc, '_>,
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this: Option<Object<'gc>>,
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args: &[Value<'gc>],
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) -> Result<Value<'gc>, Error> {
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if let Some(this) = this {
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if let Some(dobj) = this.as_display_object() {
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if let Some(mc) = dobj.as_movie_clip() {
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let x1 = Twips::from_pixels(
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args.get(0)
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.cloned()
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.unwrap_or(Value::Undefined)
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.coerce_to_number(activation)?,
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);
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let y1 = Twips::from_pixels(
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args.get(1)
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.cloned()
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.unwrap_or(Value::Undefined)
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.coerce_to_number(activation)?,
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);
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let x2 = Twips::from_pixels(
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args.get(2)
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.cloned()
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.unwrap_or(Value::Undefined)
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.coerce_to_number(activation)?,
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);
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let y2 = Twips::from_pixels(
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args.get(3)
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.cloned()
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.unwrap_or(Value::Undefined)
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.coerce_to_number(activation)?,
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);
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mc.draw_command(
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&mut activation.context,
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DrawCommand::CurveTo { x1, y1, x2, y2 },
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);
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}
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}
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}
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Ok(Value::Undefined)
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}
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/// Construct `Graphics`'s class.
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pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>> {
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let class = Class::new(
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@ -101,6 +147,10 @@ pub fn create_class<'gc>(mc: MutationContext<'gc, '_>) -> GcCell<'gc, Class<'gc>
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QName::new(Namespace::public(), "clear"),
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Method::from_builtin(clear),
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));
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write.define_instance_trait(Trait::from_method(
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QName::new(Namespace::public(), "curveTo"),
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Method::from_builtin(curve_to),
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));
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class
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}
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