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Implement StrokeOptions

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This commit is contained in:
pylbrecht 2019-06-20 10:58:06 +02:00 • committed by Bastien Orivel
parent 4aad4ff858
commit 4179f91f93
2 changed files with 44 additions and 6 deletions
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2
components/canvas/canvas_data.rs
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@ -366,7 +366,7 @@ pub enum StrokeOptions<'a> {
#[cfg(feature = "canvas2d-azure")]
Azure(azure::azure_hl::StrokeOptions<'a>),
#[cfg(feature = "canvas2d-raqote")]
Raqote(PhantomData<&'a ()>),
Raqote(raqote::StrokeStyle, PhantomData<&'a ()>),
}
#[derive(Clone, Copy)]

48
components/canvas/raqote_backend.rs
View file

@ -76,7 +76,7 @@ impl<'a> CanvasPaintState<'a> {
draw_options: DrawOptions::Raqote(raqote::DrawOptions::new()),
fill_style: Pattern::Raqote(()),
stroke_style: Pattern::Raqote(()),
stroke_opts: StrokeOptions::Raqote(PhantomData),
stroke_opts: StrokeOptions::Raqote(Default::default(), PhantomData),
transform: Transform2D::identity(),
shadow_offset_x: 0.0,
shadow_offset_y: 0.0,
@ -96,16 +96,24 @@ impl Pattern {
impl<'a> StrokeOptions<'a> {
pub fn set_line_width(&mut self, _val: f32) {
unimplemented!()
match self {
StrokeOptions::Raqote(options, _) => options.width = _val,
}
}
pub fn set_miter_limit(&mut self, _val: f32) {
unimplemented!()
match self {
StrokeOptions::Raqote(options, _) => options.miter_limit = _val,
}
}
pub fn set_line_join(&mut self, _val: LineJoinStyle) {
unimplemented!()
match self {
StrokeOptions::Raqote(options, _) => options.join = _val.to_raqote_style(),
}
}
pub fn set_line_cap(&mut self, _val: LineCapStyle) {
unimplemented!()
match self {
StrokeOptions::Raqote(options, _) => options.cap = _val.to_raqote_style(),
}
}
}
@ -260,3 +268,33 @@ impl GenericDrawTarget for raqote::DrawTarget {
unimplemented!()
}
}
pub trait ToRaqoteStyle {
type Target;
fn to_raqote_style(self) -> Self::Target;
}
impl ToRaqoteStyle for LineJoinStyle {
type Target = raqote::LineJoin;
fn to_raqote_style(self) -> raqote::LineJoin {
match self {
LineJoinStyle::Round => raqote::LineJoin::Round,
LineJoinStyle::Bevel => raqote::LineJoin::Bevel,
LineJoinStyle::Miter => raqote::LineJoin::Miter,
}
}
}
impl ToRaqoteStyle for LineCapStyle {
type Target = raqote::LineCap;
fn to_raqote_style(self) -> raqote::LineCap {
match self {
LineCapStyle::Butt => raqote::LineCap::Butt,
LineCapStyle::Round => raqote::LineCap::Round,
LineCapStyle::Square => raqote::LineCap::Square,
}
}
}