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Respect FilterMode when drawing images

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This commit is contained in:
pylbrecht 2019-11-19 14:21:52 +01:00
parent 16f06f24c5
commit a473f50245
1 changed files with 29 additions and 10 deletions
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39
components/canvas/raqote_backend.rs
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@ -278,29 +278,39 @@ impl GenericDrawTarget for raqote::DrawTarget {
surface: SourceSurface,
dest: Rect<f64>,
source: Rect<f64>,
_filter: Filter,
filter: Filter,
draw_options: &DrawOptions,
) {
let v = surface.as_raqote();
let surface_data = surface.as_raqote();
let image = raqote::Image {
width: source.size.width as i32,
height: source.size.height as i32,
data: unsafe {
std::slice::from_raw_parts(
v.as_ptr() as *const u32,
v.len() / std::mem::size_of::<u32>(),
surface_data.as_ptr() as *const u32,
surface_data.len() / std::mem::size_of::<u32>(),
)
},
};
raqote::DrawTarget::draw_image_with_size_at(
self,
dest.size.width as f32,
dest.size.height as f32,
let mut pb = raqote::PathBuilder::new();
pb.rect(
dest.origin.x as f32,
dest.origin.y as f32,
&image,
draw_options.as_raqote(),
dest.size.width as f32,
dest.size.height as f32,
);
let source = raqote::Source::Image(
image,
raqote::ExtendMode::Pad,
filter.to_raqote(),
raqote::Transform::create_translation(-dest.origin.x as f32, -dest.origin.y as f32)
.post_scale(
image.width as f32 / dest.size.width as f32,
image.height as f32 / dest.size.height as f32,
),
);
self.fill(&pb.finish(), &source, draw_options.as_raqote());
}
fn draw_surface_with_shadow(
&self,
@ -446,6 +456,15 @@ impl GenericDrawTarget for raqote::DrawTarget {
}
}
impl Filter {
fn to_raqote(&self) -> raqote::FilterMode {
match self {
Filter::Linear => raqote::FilterMode::Bilinear,
Filter::Point => raqote::FilterMode::Nearest,
}
}
}
struct PathBuilder(Option<raqote::PathBuilder>);
impl PathBuilder {